Cup rim and method

Details Cup rim and method Cup rim and method

B - Operations, Transporting

29

C

18/914, 190/26.8

B29C 57/12 (2006.01) B65D 3/22 (2006.01) B65D 3/28 (2006.01) B29C 59/04 (2006.01)

Patent

CA 1275269

IMPROVED CUP RIM AND METHOD ABSTRACT OF THE DISCLOSURE A cup-like container made from a web of coextruded thermo- plastic polymeric material having a foamed layer and a non-foamed layer. The non-foamed layer is stored or creased with a plurality of score lines formed parallel to the circumferential direction of the cup- like container sidewall adjacent the portion to be formed into the open mouth of the cup-like container to weaken the non-formed layer. The scored portion of the sidewall is reversely curled into a thin tight smoothly contoured bead which surrounds the open mouth of the cup- like container.

506755

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