Why do tin cans have those extra creases/lines? Why aren’t they smooth like an aluminum beverage container?
In: Engineering
Any time you see a corrugation, it’s usually entirely for one reason – if it was a flat sheet, it would bend. By corrugating it, you are preventing that bend from occurring, as it’s difficult to bend a corrugation.
Don’t forget that drinks cans are pressurised, so can’t bend. Tins aren’t, they are just sealed.
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