Method of forming paperboard containers

Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface

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Details

162226, 162227, 229 25R, 264324, B29C 4302

Patent

active

050966502

ABSTRACT:
A paperboard, containing a major portion of cellulose and a minor portion of an uncured biodegradable latex polymer, is molded into a shaped packaging form.

REFERENCES:
patent: 4491502 (1985-01-01), Martin, Jr.
patent: 4508595 (1985-04-01), Gasland
patent: 4510019 (1985-04-01), Bartelloni

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