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An aluminum can (British English: aluminium can) is a single-use container for packaging made primarily of an aluminum exterior with an epoxy resin or polymer coated interior. [1] It is commonly used for food and beverages such as olives and soup but also for products such as oil, chemicals, and other liquids.
A drink can (or beverage can) is a metal container with a polymer interior designed to hold a fixed portion of liquid such as carbonated soft drinks, alcoholic drinks, fruit juices, teas, herbal teas, energy drinks, etc. Drink cans exteriors are made of aluminum (75% of worldwide production) [1] or tin-plated steel (25% worldwide production ...
English: Bill Hammack details the engineering choices underlying the design of a beverage can. He explains why it is cylindrical, outlines the manufacturing steps needed to created the can, notes why the can narrows near it lid, show close-ups of the double-seam that hold the lid on, and details the complex operation of the tab that opens the can.
The material can be made by thermoforming or can be injection molded into the desired shapes. A single piece of material is used for the top and bottom with a "living hinge" that is integral to the material, rather than added separately. Folding cartons made of paperboard or molded pulp can also be of a clamshell shape. [4]
The can saw very little change since then, although better technology brought 20% reduction in the use of steel, and 50% - in the use of tin [7] (the modern cans are 99.5% steel). [ 9 ] Canned food in tin cans was already quite popular in various countries when technological advancements in the 1920s lowered the cost of the cans even further.
Aluminium bottles are made through an impact extrusion process. The aluminium bottle was introduced to the North American beverage market in the fall of 2001, as an alternative to plastic bottles by Coca-Cola under the Powerade brand (Psych and Raize) at the National Association of Convenience Stores Show. [citation needed]
The clamshell form factor is based on the hinged design of the clam.. The clamshell form factor is most closely associated with the cell phone market, as Motorola used to have a trademark on the term "flip phone", [1] but the term "flip phone" has become genericized to be used more frequently than "clamshell" in colloquial speech.
The can is most commonly lacquered tinplate (steel with a layer of tin) and may be made of two or three pieces of metal crimped together. Aluminium cans are also common and are generally used for products that are more expensive or intended to have a more premium appearance, such as personal care products. The valve is crimped to the inside rim ...