Method for making disposable bowls and trays

Details Method for making disposable bowls and trays Method for making disposable bowls and trays

1994-06-29

1996-03-19

Lamb, Brenda A.

Paper making and fiber liberation

Processes and products

Article forming processes

162227, 162223, 162231, D21J 104, D21J 310

Patent

active

055000894

ABSTRACT:
A method is used for making disposable trays and bowls with organic materials or herbaceous plants that can be easily disintegrated and that has low economical value. The organic materials include straws, bagasses or forage grasses etc., which are cheap and can be easily obtained. The manufacturing costs of the trays and bowls are thus competitive in price and suitable for producing disposable trays and bowls for containing food. No waste water and gas will be produced such that the method meets the requirement of environmental protection.

REFERENCES:
patent: 528612 (1894-11-01), Shaw
patent: 1963134 (1934-06-01), Keiding
patent: 1995586 (1935-03-01), Schopper et al.
patent: 3306813 (1967-02-01), Reifers
patent: 4014737 (1977-03-01), Brennan
patent: 4377440 (1983-03-01), Gasland
patent: 4982872 (1991-01-01), Avery
patent: 5039465 (1991-08-01), Freeman et al.
patent: 5252129 (1993-10-01), Cheng
Rydholm, Sven A., Pulping Process, Interscience Publishers, New York, N.Y., 1967, pp. 677-692.

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