Process and device for continuous production of polyurethane blo

Details Process and device for continuous production of polyurethane blo Process and device for continuous production of polyurethane blo

1997-11-26

1998-12-01

Cooney, Jr., John M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

264458, 264 462, 264 50, 264 53, 425 4C, 425817R, C08G 1804

Patent

active

058440151

ABSTRACT:
A process and a device are described for the production of polyurethane foam by application of a froth onto the conveyor belt of a block-foam installation, whereby the froth is applied onto the lower conveyor belt in a free, substantially vertical fall and flowing of the froth contrary to the direction of movement of the conveyor belt is prevented by a stationary, substantially vertical barrier arranged transversely on the conveyor belt.

REFERENCES:
patent: 3184419 (1965-05-01), Merriman
patent: 4906672 (1990-03-01), Stone et al.
patent: 5120770 (1992-06-01), Doyle et al.
patent: 5375988 (1994-12-01), Klahre
patent: 5578655 (1996-11-01), Fiorentini
patent: 5582840 (1996-12-01), Pauw et al.
Becker/Braun: Kunststoffhandbuch, vol. 7, (Month unavailable) 1993, pp. 147-152.

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