Molding of paperboard containers

Details Molding of paperboard containers Molding of paperboard containers

1982-12-10

1985-01-01

Chin, Peter

Paper making and fiber liberation

Processes and products

Plural fiber containing

162218, 162224, D21H 512

Patent

active

044915020

ABSTRACT:
Heat resistant ovenable paperboard containers are formed from wet sheets consisting essentially of cellulose fibers and containing 50 to 100 weight percent water based on the dry weight of the fibers by hot pressing in a mold at 200.degree. to 400.degree. F. Heat resistant synthetic fibers may be incorporated in wood pulp to produce the wet sheet and impart improved burst strength to the finished product.

REFERENCES:
patent: 1951940 (1934-03-01), Manson
patent: 1988161 (1935-01-01), Chaplin
patent: 2515113 (1950-07-01), Chaplin
patent: 2986490 (1961-05-01), Randall et al.
patent: 3236722 (1966-02-01), Box
patent: 3305434 (1967-02-01), Bernier et al.
patent: 4014737 (1977-03-01), Brennan

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