why are tin cans ribbed??

Question

why do they have the ribbing around the can?

Answer 1

Provides strength and rigidity. try it, keep folding a piece of paper, make it like a chinese fan,making it ribbes and try to bend it longitudinally.

Answer 2

The tin cans are ribbed to add strenght to the can to the sides of the cylinder. It keeps them from crushing so easily on the sides. The same thing is done with 55 gallon steel drums.

To test this, take two pieces of paper. Don't fold the one. Then take the other and fold it in half. Then fold the egdes back to the middle fold so that the paper is folded into fourths. When you open the paper it should look like an upside down V or like this: -^-

The upside down V acts like the rib. Try bending the flat unfolded sheet into a circle then try bending the folded/ribbed piece of paper and notice how much more strength the ribbed piece has by resisting to bend.

Answer 3

To produce lines of strength along the body of the can. The tin it self would collapse or bend easily, if additional strength is not present on the tin. It acts as a frame.
This concept is also very bold in a round tree. Once you cut rectangular shaped boards out of a tree. The boards can provide more strength than the round log.

Answer 4

It might be duo-fold, as a frictional way to guide the strip of metal through processing, and also to provide a minimal surface for glue to hold the label without pasting the whole cylinder.

Answer 5

For strength

Answer 6

So the cranberry jelly will have those attractive rings on it, which everyone loves to see.

Answer 7

To make you ask why... I think it has something to do with the machine used to process stuff.

Answer 8

For increased sensitivity and pleasure. Actually, they are probably there so they don't slip out of your hand and land on your toe.