Method of producing molded paper pulp articles and articles prod

Details Method of producing molded paper pulp articles and articles prod Method of producing molded paper pulp articles and articles prod

1992-09-21

1994-10-18

Jones, W. Gary

Paper making and fiber liberation

Processes and products

Article forming processes

162416, 162223, D21J 104

Patent

active

053565185

ABSTRACT:
A method of manufacturing a molded paper pulp article from a fiber slurry involves the vacuum deposition of a layer of wet paper pulp onto a forming mold, the separation of the wet layer of paper pulp from the forming mold and the pressing and shaping of the layer of wet paper pulp at a solids content of from about 5 to 20 percent solids. A finished product molded paper article is prepared having improved surface appearance and detailing and improved mechanical and physical properties.

REFERENCES:
patent: 1936134 (1934-06-01), Keiding
patent: 2006831 (1935-07-01), Hawley
patent: 2321574 (1943-06-01), Chaplin
patent: 2752830 (1956-07-01), Randall et al.
patent: 2996118 (1961-08-01), Chaplin
patent: 3813284 (1974-05-01), Yasuhiro et al.
patent: 3905740 (1975-09-01), Lovejoy
patent: 4201535 (1980-05-01), Ninneman

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