Container with corrugated wall

Details Container with corrugated wall Container with corrugated wall

B - Operations, Transporting

65

D

B65D 3/22 (2006.01) B31C 7/02 (2006.01) B65D 81/38 (2006.01) D21H 27/40 (2006.01)

Patent

CA 2244689

A method of forming a paper container uses a three ply corrugated material having at least one inner or outer sheet of paper that may be stretched or compressed circumferentially to permit subsequent rolling of the corrugated material about a mandrel. A flattening of the upper and lower edges of the corrugated material permit rolling and seaming operations to be used to assemble the bottom to the cup and to form a lip in the upper edge.

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