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The Ingenious Design of the Aluminum Beverage Can
Bill 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.
Posted 9 years ago by snertvik in category: technology
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smithsc - 9 years ago [ Reply ]
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He didn't mention it, but in between the throw-away pull tab, and the current modern design, Pepsi Co. made one with two circular areas, one small for venting and one larger to drink from. You open the can by pushing in the small vent circle, then the larger one. They swung down into the can, but stayed attached at one side, so no risk of accidentally swallowing one (especially the small one).

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- 9 years ago [ Reply ]
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The design may be ingenious, but the material is still toxic, leaching aluminum particles into our drinks and foods.

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(guest) - 9 years ago [ Reply ]
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1Guy: listen @4:37 "The inside also gets a treatment, a spray coated epoxy lacquer separates the can's contents from it's aluminum walls. This prevents the drink from acquiring a metallic taste and also keeps acids in the beverage from dissolving the aluminum."

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