Method for forming a container with corrugated wall and...

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 3/22 (2006.01) B31B 1/26 (2006.01)

Patent

CA 2588413

A method of forming a paper container uses a three-ply corrugated material having at an outer sheet of paper that may be stretched circumferentially to permit subsequent rolling of the corrugated material about a mandrel and an inner sheet of paper that can be stretched circumferentially to assist in rolling the lip of the cup and/or attaching the bottom to the cup. An extensible paper having two axes of extension of over four percent can be used for one or both of the paper layers.

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