Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – By gas forming or expanding
Patent
1977-05-03
1979-06-12
Anderson, Philip
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
By gas forming or expanding
264 403, 264331, 264DIG84, 425817C, B29D 2704
Patent
active
041580320
ABSTRACT:
A centrifuge and centrifugal process are disclosed for prefoaming liquid polyurethane-foam generating reactants prior to introducing the reactants into a mold. A preferred embodiment of the invention is adapted to produce continuously slabs of polyurethane foam of substantially rectangular cross section.
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Anderson Philip
Reeves Brothers Inc.
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