Plastic and nonmetallic article shaping or treating: processes – Forming articles by uniting randomly associated particles – Stratified or layered articles
Patent
1981-12-31
1983-10-11
Welsh, Maurice J.
Plastic and nonmetallic article shaping or treating: processes
Forming articles by uniting randomly associated particles
Stratified or layered articles
156 622, 264122, 264123, 264124, 264126, 425419, 425420, D04H 116
Patent
active
044091702
ABSTRACT:
A process and apparatus are provided for pressing fibrous, particulate or laminar materials to provide laminated products of low to medium density. The system is characterized by the use of lightweight pressing plates which have horizontal and vertical permeability, by the sealing of the press to provide a closed environment, and by heating substantially entirely by the use of a fluid heat carrier which heats the materials by convection.
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patent: 3295167 (1967-01-01), Corbin
patent: 3619450 (1971-11-01), Futo
patent: 3686383 (1972-08-01), MaKinen
patent: 4162877 (1979-07-01), Nyberg
patent: 4193814 (1980-03-01), Shen
Flocks Karl W.
Jansky John
Neimark Sheridan
Welsh Maurice J.
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