Rinsing multi component foam machines

Details Rinsing multi component foam machines Rinsing multi component foam machines

1977-02-11

1979-01-02

Anderson, Philip

Plastic and nonmetallic article shaping or treating: processes

With step of cleaning, polishing, or preconditioning...

134 2, 134 22R, 134 23, 252548, 264 51, B08B 308, B08B 908

Patent

active

041327543

ABSTRACT:
In the production of a polyurethane foam by supplying two or more components to a machine, mixing said components, extruding the mixture to form a foaming mass, subsequently discontinuing supply and extrusion, rinsing the machine, and subsequently resuming supply and extrusion, the improvement which comprises effecting said rinsing with a rinsing agent having the approximate weight composition

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patent: 3691135 (1972-09-01), Schulze et al.
patent: 3691135 (1972-09-01), Schulze et al.
patent: 3814780 (1974-06-01), Woodhall
patent: 3832427 (1974-08-01), Mutch
patent: 3849074 (1974-11-01), Ficklinger et al.
patent: 3965228 (1976-06-01), Vreenegoor
patent: 4056403 (1977-11-01), Cramer et al.
patent: 4070425 (1978-01-01), Wood
patent: 4073664 (1978-02-01), Zwirlein

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