Container with corrugated wall

Details Container with corrugated wall Container with corrugated wall

1997-05-23

1998-11-24

Castellano, Stephen J.

Envelopes, wrappers, and paperboard boxes

Paper or paperboard cup

Insulated

22912232, 22912233, 229939, B65D 306, B65D 322

Patent

active

058396535

ABSTRACT:
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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patent: 5385260 (1995-01-01), Gatcomb
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