Hard Cases
A hard case is a type of carrying case that is made from molded plastic, aluminum, veneered or laminated wood, or different types of metals. They are the most secure and durable forms of carrying cases and...
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This article contains concise information regarding carrying cases and their use.
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A carrying case is a way of conveniently organizing and transporting a collection of similar or dissimilar items for future use. There is a type and kind of carrying case to fit every possible application from protecting and storing cell phones to cases for speaking systems and technical equipment. They are an essential part of safely transporting sensitive materials and keeping them from harm.
The design, shape, size, and dimensions of carrying cases varies according to the items that are to be carried. Depending on the use of the carrying case, it can be made from reinforced fabric, plastic, aluminum, nylon, leather, wood, or a combination of materials.
Specially designed carrying cases, like the one picture below, are made to fit a specific application and individually manufactured.
An additional feature of carrying cases are foam insertions that are patterned to tightly hold devices, tools, components, and complex instruments in place.
The manufacturing of a carrying case is determined by how it will be used. Off the shelf cases, found at department stores and online, are quite different from cases made for special applications designed to carry scientific instruments and delicate equipment.
Carrying cases are made from a variety of materials that include aluminum, plastic, wood, strong, sturdy fabric, lightweight metals, and leather. The basic requirement for carrying cases is that they be durable, flexible, and easily carried. Certain varieties of carrying cases use a combination of materials to enhance endurance.
The construction of a carrying case depends on its final purpose. Cases used for air travel have to meet special qualifications and requirements regarding the type of material used in construction, thickness, reparability, and latches. Most manufacturers produce cases that far exceed the basic case requirements.
Carrying cases are made from lightweight metals as well as heavy duty fabrics such as nylon and neoprene rubber. Plastic cases are blown or rotary molded and may have a cloth or foam padding liner.
There are several materials that are used to produce the many forms of cases, which include wood, aluminum, fabric, and metals. Of the wide selection, the most predominant is plastic due to its easy formability, availability, and durability. Molded plastic carrying cases are the leading type of case on the market. They come in any size from ones for hand held instruments to ones on wheels for shipping and transporting large instruments and equipment.
Plastic provides designers with a material that can be shaped, configured, and engineered to fit any conditions, application, and appearance. This aspect of plastic makes it the ideal material for carrying cases that have to be rugged enough and strong enough to withstand the conditions for which they are produced.
The key to the strength of carrying cases is dependent on the type of plastic used to produce them. Plastic is a polymer that is synthesized from petroleum into small pellets referred to as resin or into a powder. Each of the forms of plastic are melted prior to being molded and shaped. The term plastic refers to a wide range of materials that have differing densities and molecular structures. Plastics chosen for carrying cases are high density polyethylene (HDPE), fiberglass reinforced polyester (FRP), carbon fiber, rotationally molded polyethylene or linear low density polyethylene (LLDPE).
In the blow molding process for plastic cases, plastic is blown into a metal mold. The plastic is forced to evenly cover the surface of the mold as air fills the center of the molten plastic. The final case is uniformly shaped without seams or gaps. Plastic case manufacturers use thermoplastic for its durability, pliability, flexibility, and longevity.
The thermoforming process involves taking plastic sheets and using heat, vacuum, or pressure to form the sheets into solid three dimensional objects. Rolls of plastic are loaded on a spool from which the plastic is fed into the molding machine. The plastic sheets are heated to make them pliable and formable without being melted. Molds are compressed against the sheets of plastic to form the shapes of carrying cases. Once removed from the mold, the shaped case is trimmed, inspected, and moved on for further processing.
There are three forms of thermoforming, mechanical, vacuum, and pressure. With vacuum thermoforming, negative pressure is used to draw the preheated sheet into the mold cavity. Unlike vacuum thermoforming, pressure thermoforming uses positive pressure to force the plastic into the mold. As the name mechanical indicates, positive and negative molds are brought together over the preheated plastic sheet.
Molds for injection molding are made of steel and carefully crafted for repeated use. The material for injection molding is fed into a barrel where it melts as it is moved along the barrel by a helical screw. At the end of the barrel, the melted plastic is fed into the mold, a representation of which is pictured below. In two shot molding, separate materials can be combined to add color and different characteristics to the final case. Injection molding is limited in the sizes of the cases it can produce.
Rotational molding is used to produce very large cases with exceptionally accurate tolerances. As with all of the other plastic processes, rotational molding begins with a mold that is usually a few feet in width, length, and height. Raw plastic resin is loaded into a closed mold that has the shape of the top and bottom of the case to be formed.
The mold is enclosed in a frame that is capable of rotating on multiple axes. The assembly of mold and frame are moved into a heating chamber where they are heated sufficiently to melt the plastic resin. As the heat is applied, the frame rotates spreading the melting resin to all mold sections forming an even coating.
The rotational molding process is capable of forming any type of case, such as ones with double entry and lift off and hinged lids. Most cases produced by rotational molding are made to order or special orders. The complete process is represented in the image below.
The process for the manufacture of aluminum cases is similar to the thermoforming process and begins with a flat sheet of aluminum that is put through a rolling or extrusion process to form the exterior of the case. The textured aluminum sheets are bent, shaped, and formed to conform to the case’s top and bottom design. A frame is placed over the top edges of the bottom and top to give the case even proportions completely around the case and ensure a tight seal when the case is closed.
Handles, hinges, and corners of the case are riveted or welded to form tight connections. With many medium or large cases, wheels are added for convenience and ease of handling. The central design of aluminum carrying cases is to ensure the case is able to withstand the harsh and stressful conditions they will face.
Neoprene, or polychloroprene rubber, is a non-conductive waterproof material that is exceptionally sturdy. The thickness of neoprene and its soft pliable exterior make it an excellent protector from punctures, weather conditions, or other abuses.
Nylon carrying cases are created to carry audio and visual equipment and have a padded interior to protect speakers, mixers, and other equipment. They come in a wide variety of shapes, colors, sizes, and have exceptional durability. Nylon carrying cases have interior padding, are resistant to tears, and maintain their shape in all types of conditions after years of use.
Leather carrying cases vary according to the grade of leather used to produce them. Full grain leather has not been changed or manipulated. It is the hide of an animal after the hair is removed. It has a unique texture and durability. Full grain carrying cases have excellent durability but are expensive. Lower grade leathers are less expensive but not as durable.
Wooden carrying cases are made from pine, cherry, birch, or mahogany and are sturdy and reusable. Interiors of wooden carrying cases are made from wood, plastic, foam, or fabric with exteriors covered in leather, plastic veneer or fabric.
Carrying case design depends on the needs of the customer. Manufacturers take the ideas of customers and develop prototypes or proposed solutions until the design is what the customer needs. There are certain aspects of case design that tend to be overlooked since they are minor and seem to be inconsequential, such as handles, types of hinges, locking mechanisms, endurance of materials, or other details that seem unimportant. In the design process, it is important to consider all the components to ensure a successfully durable carrying case.
American Transportation Association (ATA) cases have more stringent requirements in regard to their design. To meet ATA standards, cases must be vibration and shock resistant and can be made of a variety of materials including wood with a plastic veneer, plastic board, aluminum, and certain types of sheet metals. For protection from damage, handles and latches are recessed. The ATA has a list of standards for acceptable cases, which determine a case’s classification and durability.
The uses for carrying cases are as broad and varied as the number of available cases with new ones being developed every year. As more and more commercial activities are being completed at customer locations, carrying cases are being designed to meet the ever changing needs.
The kinds of Carrying cases vary as new things to be carried are developed and technical advances in the industry are discovered. Innovations, inventions, and prototypes are constantly being implemented, which lead to new uses for carrying cases.
The purpose of instrument cases is to provide protection for sensitive and delicate instruments when they are in transit. Electronic devices that are designed to take readings, measure fluctuations, and collect data are very sensitive to any form of impact or mishandling. They can easily be thrown out of calibration by minor contact.
Although not as sensitive as technical instruments, musical instruments can be seriously damaged if shipped in an improper or poorly constructed case. Any damage to a musical instrument is difficult and expensive to correct and may make the instrument useless.
The structure and design of instrument cases ensures that delicate instruments are sufficiently protected from any harm. The padded exterior of instrument cases is further enhanced by padded interiors that have the shape and dimensions of an instrument. Additionally, instrument cases have hard or soft exteriors designed to protect against environmental and weather conditions.
Designed to protect technical equipment, such as calculators or sensitive chronometers, instrument cases are small, handheld cases that come in different styles, sizes, and configurations to make an instrument easily accessible but fully protected. Cases for large instruments or ones with multiple components are manufactured to match the size, shape, and intricacies of instruments or components.
A key part in the manufacture of instrument cases are the foam inserts that are cut by manufacturers to perfectly match the shape of an instrument. There are several methods used to produce foam inserts, which include die cutting, contour cutting, and compression cutting, which is commonly used for round equipment. Additionally, flocked foam can be added as a top layer for added protection.
Divider carrying cases are divided into sections for parts, components, and instruments to snuggly fit. They are designed for the safe transportation of technical or fragile equipment with dividers made of tightly packed rubber or polyethylene foam. Multiformat dividers make it possible to customize a case to fit the function of the divider case. The multiformat design makes it possible for pieces of equipment to be safely and securely placed in the case.
The dividers for divider cases begin with a stiff plastic core that is covered with a form of soft durable material. The cores can be trimmed, cut, and shaped to fit into the design of the divider case. The size of the interior of a divider case and how it will be used determines the number of dividers a case may have, a number that can range from two or three up to more than ten. Electronic technicians and small equipment repair personnel can have as many as 20 or more dividers due to the small size of their equipment.
The specialization of certain instrumentation and equipment requires that divider cases be custom designed to fit the needs of a customer. This is especially true with repair personnel that work in small spaces on small equipment. Their cases have to be small enough to be easily accessible but sturdy enough to endure the work.
Equipment carrying cases are designed to protect equipment and devices. They come in various sizes, each of which is designed to accommodate tools, monitors, computers, and other forms of equipment. The transporting of sensitive and delicate equipment can be challenging and difficult since damage to such equipment can create embarrassing and potentially dangerous conditions. Although their fundamental goal is to prevent damages to equipment, they are also designed to keep baggage handlers and strangers from harming the equipment during transit.
The shells and exteriors of equipment carrying cases are made of hard durable materials to keep materials secure and safe from harm. When a job depends on the contents of a carrying case, it is essential that during transit the case be tough enough to endure the journey and strong enough to protect its contents. Equipment carrying cases have to be resistant to bumps and scrapes, airtight to prevent water vapor damage, and padded to keep equipment from shifting.
It may be assumed that equipment carrying cases are similar to any other type of carrying case. This may be true in certain instances. In actuality, equipment carry cases are essential for carrying equipment samples, medical instruments, delicate measuring devices, and fragile electronics. These different applications require cases with the right proportions and sizes to meet the needs of any application or situation.
Transit cases are durable and long lasting cases that are designed to protect and secure instruments and equipment. Their main functions are to provide protection against impact and perform as a reusable stable case that is durable and long lasting. Transit cases are hard sided containers that protect their contents from harm while being shipped.
The exterior of a transit case is the initial level of protection and has sufficient strength to prevent mechanical damage. The interior of the majority of transit cases is filled with foam, polymer material, or cushioning with molded inserts to fit technical equipment and instruments. The inserts are the second level of protection designed to protect against shock, vibrations, and temperature changes.
In some circumstances, transit cases may receive an ATA certification depending on the number of times they are used and how sturdy they are. Additionally, more advanced transit cases may receive a MIL SPEC certification if they comply with MIL-STD standard 810, which indicates that a transit case is airtight, waterproof, drop tested, and resistant to the effects of corrosion. To receive these certifications, transit cases have to be put through an assortment of tests.
All transit cases follow the same design criteria, which includes being sealed from environmental conditions and protection of the contents under the most adverse conditions. Latches, handles, and locks of transit cases must be able to retain their connection and necessitate the use of force to be removed or opened. Corners and edges are sealed with extruded plastic, aluminum, or metal.
Foam insert carrying cases are like divider cases. They are divided into sections using soft foam material that is cut to the exact shape of the items to be carried. All foam insert cases are custom designed for their applications. The foam is cut to the exact specifications and measurements of the pieces to be carried. This is especially helpful when the case has to endure rough handling of delicate and sensitive equipment.
Pouch carrying cases are a method for carrying small instruments and tools. They are unlike divider and foam insert cases since they are usually smaller handheld cases that can be carried on a belt or like a briefcase. Pouches can be attached to the side of a larger case as additional space for carrying small items.
The term pouch is a universal term used to describe a small envelope like case that can carry specialty items, documents, tools, and art supplies. Pouches act as a supplement or add on to carrying cases and serve as a method of protection for sensitive small instruments. They are made in a variety of ways from several different materials. In the majority of cases, they are made of soft pliable fabrics that are sewn on commercial sewing machines.
The various fabrics used to make pouches are differentiated by their protective properties. Neoprene and Hypalon are resistant to chemicals and abrasions, which makes pouches made of them capable of enduring harsh conditions. Vinyl and nylon pouches are weather resistant and are ideal for outdoor use. Although not as common today, leather pouches have existed for centuries and were used to carry tobacco and gunpowder. They have been replaced by cotton, polyester, and other fabrics.
Catalog carrying cases have a hard firm outer shell made of a vinyl coated fabric or plastic. The vinyl coating gives the case the appearance of leather, creates a pleasant aesthetic appearance, and is designed for heavy use. The outer shell is washable and resistant to cracking, peeling, and stains. The firm hard lids of catalog cases have piano style hinges for ease of opening the case.
The interiors of catalog cases take several forms. In some cases, it is an open space with an accordion pocket on one of the walls. Other types have dividers that separate the interior space for filing papers, brochures, and catalogs. Additional pockets are provided on the exterior of the case with some designs having small pockets in the lid to hold pens and other writing instruments. Modern catalog cases have a special section for a laptop or pad computer.
Catalog cases are used to hold, organize, and protect vital paperwork and documents. They make transport easy and provide a method for organizing and distributing informational brochures. Although they are referred to as briefcases, they are more substantial and heavy duty than a normal briefcase. Interior accordion files make it possible to separate documents into categories for preparation for a meeting. Catalog cases with a metal hanging file folder frame allows users to suspend files like a file cabinet.
As the variety and types of computers are rapidly changing, new and innovative computer carrying cases are being introduced. The main function of a computer case is the protection of the computer, which can easily be damaged by being dropped or slammed. Computer carrying cases have a never ending number of styles, sizes, shapes, configurations, and designs. They are manufactured to fit the wide varieties of brands of computers.
The two basic forms of laptop computer carrying cases are soft side and hardside. Soft side computer cases have the form and shape of a soft side briefcase. Their sides are thick and filled with a form or padding. The interior has a computer shaped section for the computer with one or more sections for books, papers, and other materials.
Hard side computer carrying cases are made of molded plastic that has been blow molded. The interior of the case has a thick coating for the protection of the computer. Hard side computer cases can be the exact size and dimensions of the computer it is to carry, which adds additional protection.
Computer cases, soft or hard, normally have space for storing computer accessories such as a mouse, speakers, and camera. There are several types of storage spaces that can take the form of pouches, pockets, zipper pouches, and accordion files. Additionally, all computer cases leave room for paperwork, books, and other materials.
Computer carrying cases are designed to meet specific standards. They are watertight, impact resistant, and corrosion and dust proof. Computer carrying cases can have a solid hard exterior made of plastic, aluminum, vinyl, or leather. Specially designed computer carrying cases have foam inserts to snuggly hold the computer.
Portfolio carrying cases are designed to carry materials for presentations and exhibition. They are made from a variety of materials that include aluminum, leather, or various types of soft sturdy fabrics. There is some confusion regarding portfolio cases since there are so many varying definitions. For manufacturers, a portfolio case is made to carry graphics, artwork, or items for display. They are made of materials that protect the contents and keep it from being damaged.
Presentation cases have a hard exterior and are tightly sealed with latches. A collapsible handle and wheels may be added to allow for easier transport. The interior of presentation cases has a lining or padding to protect materials from being scratched or damaged. Custom shaped foam can be added to securely hold the contents of a presentation for extra protection. Cut foam interiors are widely used for delicate and sensitive equipment and instruments, such as cameras, calculating devices, and computers.
The various types of presentation cases come in different sizes, shapes, and configurations with some being ATA cases while others are catalog cases or pouch cases. Presentation cases are engineered to fit the items that are required to make a proper representation of a product, program, company, or agency. The contents can be flyers, brochures, and other types of paperwork or pieces of equipment, blue prints, and tools. In all instances, the contents have to be kept in pristine condition and secure.
A function of presentation cases is the security of their contents, which requires that they be fitted with latches and locks. The items carried in a presentation case normally are valuable representations of an organization that has to be protected. This aspect of presentation cases necessitates that they be capable of being tightly sealed and locked.
Sample cases are a marketing tool for carrying samples of products, presentation materials, product literature, and documents. Depending on the products to be presented and the weight of the materials, they can be designed with rollers and a telescoping handle. Sample carrying cases are an important asset for salespeople since they offer the ability to bring office materials to a client meeting.
Shipping cases are designed to protect their contents from shock, vibrations, moisture, dust, and damage. They are made of sturdy materials such as aluminum, wood, steel, fiberglass reinforced polyester, or high density plastic. Due to the varieties of their applications, they come in a wide range of sizes.
The nature of the work of shipping cases necessitates that they be carefully selected to meet the types of materials that will be shipped. Materials for shipping cases are chosen in accordance with how the case will be used. Aluminum shipping cases are lightweight and are used in applications where weight is a concern. They are expensive and lack the durability of other materials.
Roto molded cases are made of high density polymers that are strong, rugged, and durable. They are manufactured to withstand any types of applications and conditions. Roto molded cases are used to ship and protect sensitive devices, communication equipment, and valuables and come with custom formed foam inserts. They can be ATA certified and are capable of ensuring the safety of equipment when shipped over long distances.
Reinforced wood shipping cases are the most cost effective shipping choice. They are made of composite wood or plywood that has been coated or laminated. The exterior of wood shipping cases is capable of enduring the impacts and handling of long distance shipping and able to retain their shape after several trips.
Tool carrying cases can be standard or custom designed in any size or configuration. They can protect the contents from moisture, salt spray, dust, and immersion. Tool carrying cases are made from a wide variety of materials that include aluminum, high density polyethylene, reinforced polyester, carbon fiber, and low density polyethylene. There are a wide assortment of features that can be added to a tool carrying case, including wheels, zipper enclosures, compartments, and shelves.
Tool carrying cases can be standard or custom designed in any size or configuration. They protect their contents from moisture, salt spray, dust, and immersion. Tool carrying cases are made from a wide variety of materials that include aluminum, high density polyethylene, reinforced polyester, carbon fiber, and low density polyethylene. Special features can be added, such as wheels, zipper enclosures, compartments, and shelves.
Over the many years of their use, tool cases have been perfected, improved, and specialized such that there are tool cases for nearly every type of profession, a circumstance that has rapidly developed due to technological advances. Copier repair people have specialized tools for adjusting the intricacies of copier machines. Computer repair people have monitors, calculators, and devices for determining computer errors. These types of repair people seldom use a screwdriver, drill, or saw, which is the reason for the many types of tool cases.
The first tool cases, or tool boxes, were made of wood, which was the most available material of the time. Today, tool cases are made of molded plastics with foam inserts. They are specially designed and engineered to the types of tools being used as well as the conditions the case will endure. Tool case design and manufacturing has become an industry that specializes in unusual and unique tools and instruments.
A personal utility case is designed as a protective measure for items that cannot afford to be damaged. They have an exterior layer of material that is able to withstand bumps, shocks, and vibrations. The interior of the case is air tight such that dust or particulate matter are prevented from contaminating items stored in the case. Personal utility cases are an ideal and inexpensive way to protect sensitive credit cards, phones, and personal items.
The types of carrying cases vary as much as their uses with some designs being the foundational traditional carrying case that everyone appreciates and depends on. The distinction between the types of carrying cases is dependent on the materials used to manufacture the case, carrying case standards and regulations, and the purpose for which the case was designed.
Heavy duty carrying cases are made from the same materials that are used to produce shipping containers but are lightweight and easy to use and carry. They are designed to exceed American Transport Association (ATA) standards and requirements. Heavy duty carrying cases are reinforced with ribs for extra protection and durability and made of aluminum, high grade plastics, stainless steel, and certain gauges of steel.
Since heavy duty carrying cases perform the same functions as shipping cases, they are made from the same materials. They are formed from smaller sized carrying case molds, which makes them easier to load and transport. The main benefit of heavy duty carrying cases is the extra protection they provide for instrumentation and valuable components. The use of heavy duty carrying cases requires that they meet the standards established by the military for carrying cases.
Heavy duty carrying cases require an ergonomic design due to the weight of the material they carry. Although they provide exceptional protection and have maximum portability, heavy duty carrying cases have to be easy and convenient to carry due to the many ways that they will be transported, which can be an airplane, car, train, or truck.
Most heavy duty carrying cases have vertical or horizontal ribbing like a briefcase to increase their strength and stability. The ribbing makes them easy to stack and increases their durability.
Soft sided cases are made from neoprene, canvas, nylon, leather, or vinyl in an assortment of colors, sizes, and designs. They are water and dust resistant capable of withstanding the harshest conditions and inclement weather. The soft pliable interior provides extra protection for instruments, components, equipment, and technical devices. Soft sided carrying cases are lightweight, ergonomically designed, and flexible, which makes them able to adapt to any type of environment or conditions.
The key features of soft sided carrying cases are their flexibility, convenience, and durability. They can carry sample trays, instruments, fold away boxes, and small tools. The soft sides of the case provide exceptional protection from the elements and harsh environments. When a soft side case is empty and not in use, it can be folded and placed in storage.
There are several processes used to produce soft sided carrying cases. The method that is used is dependent on the type of raw material from which the case is to be made.
Soft side carrying cases are normally sewn by automated machines when they are mass produced, which is true for high volume production of soft sided carrying cases. Specialty and custom cases may be sewn by hand by experienced craftspeople to ensure proper assembly.
Gun carrying cases vary according to the type and size of weapon. They can be soft or hard sided but normally have a soft layer on the interior. There are a strict set of regulations regarding gun carrying cases that informed gun owners are aware of. People who enjoy guns, handguns, shotguns, and rifles take extra steps when traveling with their weapons to ensure safety, which is one of the benefits of gun carrying cases.
ATA cases are a specific specialty case that is designed to withstand being frequently shipped and meets the standards of the ATA. To be categorized as an ATA case, a case has to be able to endure being shipped over 100 times and maintain its structure. They are well known for their durability, ease of use, ability to be easily loaded and unloaded, and reusability.
The materials used to manufacture ATA cases include fiberboard for the exterior walls with the fiberboard being normally coated. The interior walls have a foam or honeycomb design for protection of the contents of the case. The corners and edges of ATA cases are protected with extrusions made of plastic, aluminum, stainless steel, or steel with metal or plastic corner brackets.
Latches and handles of ATA cases are made of steel for extra strength and stability. The edges of the lids are covered with aluminum, steel, plastic, or stainless steel extrusions. For ease of movement, ATA cases have locking casters. Types of latches for ATA cases include spring loaded twist latches or draw latches.
The stipulations for ATA cases are defined in ATA-300 Category I, which outlines the standards required to be defined as an ATA case. ATA-300 approval indicates that a case can endure rough handling for 100 trips without losing its integrity. The key to the definition of an ATA case is its endurance in the face of harsh treatment, which is normally found when being shipped via train, air, or sea.
Road cases, which are also known as ATA cases, are shipping containers that are made of rugged materials for the shipping of various types of instruments and sensitive equipment. They have the same design as ATA cases but may not have an ATA certification. The term road case indicates that a case has been manufactured from materials that are capable of withstanding the rigors of constant travel.
Cases that are designated as road cases are constructed of panels of plywood with an outer layer of fiberglass. The panels are joined by metal or plastic joints with solid metal corner brackets. The interior of a road case can take various forms depending on the items that it will carry. Basic road cases have a raw wood interior and are used for transport and storage. More robust road cases have interiors padded with a polymer foam, which can be cut and shaped to the design of the contents.
Road cases are manufactured to carry several types of equipment and can be similar to shipping containers. They are distinguished from shipping containers by the care that is given to their construction such as the metal edges and corners. Since they are large and bulky, road cases may have casters for easy movement and placement. Smaller road cases may have convenient recessed handles.
Hard cases are made from high density molded plastic, aluminum, veneered or laminated wood, and other non-ferrous metals. They are designed for exceptional protection and are the most durable and secure form of carrying case. Hard cases are produced for shipping and storage of military equipment, sensitive instruments, and emergency equipment for police and first responders.
There are four plastic shaping methods that are used to manufacture hard cases, which are blow molding, injection molding, roto molding for large cases, and thermoforming. Blow molding consists of blowing molten plastic into a two sided mold in the shape of the hard case. Injection molding, like blow molding, injects molten plastic into a two sided mold.
Roto molding is a multiple step process that places plastic resin in a two sided mold connected to a rotational machine. During the roto molding cycle, the rotational machine rotates the mold as it is heated to melt the plastic, which spreads across the surface of the mold due to the force of the rotation. Once the plastic is thoroughly distributed over the mold, the rotational machine moves into a cooling cycle where the molten plastic is allowed to cool and set. At the completion of cooling, the hard case is removed. Roto molding is designed for the manufacture of large hard cases.
Thermoforming is a vacuum form of molding where a sheet of heated plastic is pulled into a two sided mold where it forms the lid and base of a hard case. Once the plastic material cools and sets, it is removed from the mold and latches, hinges, and handles are added.
Each of the various molding processes produce hard cases with impenetrable thick walls using high density plastic that can endure the mistreat hard cases experience during their life of usefulness. Hard case manufacturers are committed to producing cases that have the durability, strength, and longevity that is required for the protection of equipment, instruments, and tools.
Rolling carrying cases have small wheels attached to the bottom for convenience and to avoid the need to carry the case. They are ideal for large, cumbersome instruments and devices. Rolling carrying cases have telescoping handles for easy maneuverability and come in a variety of sizes with several interior padding options.
Storm carrying cases are designed for severe conditions and have an exceptionally sturdy and hard exterior made of extremely durable material to protect fragile or sensitive instruments and equipment from harm. When not in use, they are excellent to use as storage containers since they are able to protect materials from contaminants and harsh conditions. The interior of storm carrying cases is coated with a form of soft fabric or foam.
Protector cases are made of exceptionally sturdy material designed to combat hostile environments and hazardous conditions. Technical instruments are necessities, regardless of the location, and are typically delicate and complex devices used to record data, connect with teammates, and save a memory. Protector cases provide increased protection and safe storage for these special implements when they are not needed.
Protector cases are watertight, crushproof, dustproof, resistant to vibrations and impact, and have solid thick walls made of lightweight material. They are designed with double latches to avoid being accidentally opened by impact and are an ideal solution for preventing damage to hand held electronics.
Air cases are classified as protective cases. Like other protective cases, air cases are made of exceptionally sturdy but lightweight material and are designed to withstand impacts and shocks. They have an airtight design that prevents air and dust from entering the case. Air cases are made in a wide variety of configurations to meet the needs of any application.
The selection of air cases includes ones for traveling, hiking, or simply keeping electronics safe. Each type of air case has the same features regardless of their size and can come with dividers for extra protection and safety.
Backpacks have been used for centuries as a means for conveniently carrying a wide assortment of clothing, books, tools, weapons, and hiking gear. They have been an essential part of military gear for many years and have become a fixture at schools. Backpacks are made of various materials with canvas, cotton, and nylon being very common. Depending on the use of a backpack, its material can be very soft and pliable to make it comfortable to carry. Backpacks for rigorous applications tend to be made of harder materials to enhance their durability and strength.
As with other forms of carrying cases, backpacks are sewn from pieces of pre-cut fabric from large bolts. The pattern for the backpack is laid out on the fabric, pressed, and electronically cut out. The fabric pieces are sewn together on large heavy duty commercial sewing machines using strong heavy nylon thread and a 301 type stitch. Other thread types can be used but are weaker than nylon thread.
Once the large pieces of a backpack are sewn together, zippers, snaps, buckles, and other pieces are added. As with the pre-cut pieces, the additions are sewn on using nylon thread. The types of additional features are dependent on the type and design of a backpack. Military backpacks are designed for quick and easy access with snaps and zippers that hold firm but can be opened with minimal force.
There are an endless number of styles, sizes, types, and kinds of purses with each type serving a specific purpose. Purses can be functional designed to carry an assortment of necessary daily items. In other instances, they can be decorative and a fashion statement. Regardless of the varieties and types, all purses fall into the category of a pouch to carry things, whether they are bejeweled and fancy or a leather bag with a large flap. Purses have been carried by all genders for centuries as a convenience and necessity.
Several methods are used to manufacture purses each of which produces a distinctive and unique personal item. Purses can be woven from yarn, cut from fabric, pieced together like a backpack, or be made of glued and sewn jewels. The choice of method is dependent on the choice of material, the purpose for the purse, and its design.
The first choice of material in the making of a purse is usually leather due to its durability and longevity. In many cases, leather has become impractical and been replaced by synthesized fabrics that are easier to sew and less expensive. Purses are sewn together using industrial sewing machines for mass production. Designer purses, created as an accent for a special design, are carefully hand sewn using the finest thread.
The manufacture of specially designed carrying cases is constantly growing as new uses for carrying cases grows with the introduction of unique and unusual equipment. Cases that are specially crafted and designed are produced to serve a single function and are created from highly sophisticated engineering and planning.
The demanding conditions of military operations require equipment and materials capable of withstanding the stress of harsh environments. Aside from being durable, military carrying cases have to be watertight, shock, corrosion, and dust proof, and are designed for easy handling, such as loading and stacking.
Medical equipment is fragile and expensive. It must be stored in durable cases to prevent damage since it is a necessary part of saving lives. The main stipulation for medical carrying cases is superior protection and dependability in a crisis. There are a wide variety of medical carrying cases, which can contain equipment, medications, and materials to treat wounds.
As with medical carrying cases, fire and rescue operations require equipment that does not fail in a crisis. Fire and rescue carrying cases must be portable and lightweight but durable enough to withstand hazardous conditions. They come in several designs and with organizational inserts for immediate access to critical life saving equipment.
As with human care, veterinary carrying cases have specific requirements. They must be capable of hygienically transporting diagnostic supplies, medications, and consumables. Cases have to have document pouches and be made of highly durable materials such as aluminum or synthetic leather. Since veterinarians work in a wide variety of environments, the cases have to have large storage space for collection of samples.
Shipping and moving hazardous materials require cases that strictly adhere to government regulations regarding the handling of such materials. Hazmat carrying cases are custom designed to fit the specific applications in compliance with legal stipulations.
Drones serve several purposes aside from personal use. They can be used to explore terrain, view an oil field, or survey a battlefield. Regardless of their use, they are expensive and have to be treated with the greatest care.
Bel-Air Cases is a plastic case manufacturer that produces cases for any application and situation. Their rugged durable cases are designed to withstand the rigors of transportation and constant use. Bel-Air makes medium duty cases for infrequent use and heavy duty cases for frequent shipping. The company takes pride in manufacturing cases that are the right size with correct pricing and positive appearance that are built to last. If they don’t have the proper case, they custom design one to fit the needs of their customers.
Tetrafab is a world class custom case manufacturer with offices in Asia, South America, and the United States. They work closely with their customers to produce the perfect case to fit the conditions and application for which a case is required. The key to their success is in the time and effort they put in to ensure their products are of the highest quality. Tetrafab designers work with their customers to create computer generated renderings of a case that matches the parameters of a customer's demands.
The key to the success of Pelican is its commitment to producing cases that will last in the face of the harshest and most demanding conditions. Regardless of where a case is used and the demands placed on it, Pelican cases are built to endure. Pelican offers a full line of cases from ones for family travel to ones for industrial use. Their goal is to guarantee that the contents of their cases will remain unharmed in the face of the most stressful and strenuous conditions.
Royal Case offers a full selection of cases from injection and blow molded plastic cases to soft sided carrying cases. The designers and engineers at Royal Case take the drawings and designs of their customers and turn them into professionally designed and manufactured durable cases. Royal Case is the national leader in the manufacture of hard and soft cases for name brand companies. They pride themselves on producing cases and bags for protecting life saving equipment.
Shell-Case produces soft and hard cases for a wide array of applications including medical devices, electronic equipment, measuring devices, and optics. They take the visions of their customers and turn them into reality using their innovative and original techniques. Every case is planned down to the smallest detail using the highest quality materials. Each part of a case from its inner structure to its outer shell is designed to be a perfect fit.
The materials used to make a carrying case must be durable and able to withstand abuse. Plastic is the most common choice since it is resistant to so many harsh conditions. Other materials include aluminum for its corrosion resistance, leather for its durability, sturdy fabrics for their flexibility, rubber for its ability to maintain its shape, and wood for its protection and reliability.
Plastic is the most common material for the manufacture of carrying cases. It is airtight, water resistant, crush and dust proof, and exceeds ATA specifications. Plastic carrying cases can be blow molded to any shape and have smooth seamless surfaces.
Aluminum cases are lightweight, durable, and corrosion and dust proof. Strength and endurance of aluminum has made it a perfect solution for carrying cases. Aluminum cases vary in size from small briefcases to large shipping cases.
There are certain woods that are ideal for producing carrying cases. In most cases, wood serves as the frame and box, which is covered with another material such as vinyl, plastic, or a heavy fabric.
Nylon is very versatile, durable, expandable, and self-healing. It comes in several colors and thread sizes, which makes it useful for the interior and exterior of the case. Nylon carrying cases are ideal for conditions of heavy use. Since nylon is tear resistant, it has a long life span of use with colors that do not fade.
Leather is durable and comes in various grains. Natural leather tanned directly from an animal is the strongest. There are over 24 animal skins that can be used in the production of leather cases.
Neoprene is a highly durable and resilient synthetic rubber that is produced as a solid or in a soft flexible latex form. It maintains its strength and endurance in harsh conditions, which makes it ideal for the manufacturing of carrying cases. One of the major qualities of neoprene is its resistance to oils.
A hard case is a type of carrying case that is made from molded plastic, aluminum, veneered or laminated wood, or different types of metals. They are the most secure and durable forms of carrying cases and...
A road case is a ruggedly built, highly functional protective container with varying wall thicknesses that is capable of withstanding the riggers and handling of shipping. They are designed to meet...
A tool case is a portable case designed to organize and protect tools and allow easy access and convenient availability. Standard tool cases can be used when working on a project. In addition, specialty and custom-designed tool cases are...
Cases designed to carry special valuables have been part of society throughout history back to the time of the Egyptians and before. Carrying cases are commonly found in any house stored in a garage, tucked away in a basement, or setting on a shelf...
Blow molding is a type of plastic forming process for creating hollow plastic products made from thermoplastic materials. The process involves heating and inflating a plastic tube known as a parison or preform. The parison is placed between two dies that contain the desired shape of the product...
A canopy is a structure with a connected fabric or metal covering that can give shade or shelter from weather elements such as the sun, hail, snow, and rain. For example, a tent with no floor can be...
Contract sewing is a specialized industry that provides services to manufacturers for production of a wide range of products using highly skilled workers and technologically advanced sewing machines. The strength of the contract sewing industry is its ability to perform any type of sewing services...
Cut and sew is a process for the manufacture of clothing where the design and pattern are printed on the raw cloth from which the garment is cut, ensuring full color, edge to edge print of the design and color...
A protective cover is a sewn fabric that is specifically designed and used for protecting equipment, people, surfaces, and enclosures. Protective covers provide protection from the elements, UV rays, dirt, dust, moisture, and...