Method of producing pulp moldings

Details Method of producing pulp moldings Method of producing pulp moldings

2006-06-27

2006-06-27

Halpern, Mark (Department: 1731)

Paper making and fiber liberation

Processes and products

Article forming processes

C162S224000, C162S226000, C162S227000, C162S396000, C264S322000, C264S324000

Reexamination Certificate

active

07067041

ABSTRACT:
A method of producing pulp moldings having a paper-making process comprising the steps of assembling split mold halves (11, 12) having suction passageways (14) to form a paper-making mold (10), feeding pulp slurry of predetermined set feed concentration into the cavity (13) in the paper-making mold (10), and sucking the pulp slurry through the suction passageways (14) to form a pulp layer (15) on the inner surface of the paper-making mold (10), wherein the concentration of the pulp slurry in the cavity (13) in the initial and/or final period of formation of the pulp layer (15) in the paper-making process is lower than the above-mentioned set feed concentration of the pulp slurry.

REFERENCES:
patent: 2961043 (1960-11-01), Hicks
patent: 6605187 (2003-08-01), Nonomura et al.
patent: 35-9669 (1960-07-01), None
patent: 42-9086 (1967-04-01), None
patent: 42-9086 (1967-05-01), None
patent: 48-50003 (1973-07-01), None

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