Method and an apparatus for producing polyurethane foam

Details Method and an apparatus for producing polyurethane foam Method and an apparatus for producing polyurethane foam

C - Chemistry, Metallurgy

08

J

403/49

C08J 9/04 (2006.01) B29C 44/34 (2006.01) B29C 44/58 (2006.01) B29C 44/60 (2006.01)

Patent

CA 1290895

Abstract of the Disclosure A method of producing polyurethane foam slab by allowing a urethane foam stock solution in a tank to expand in a reduced pressure. The flatness of the top of the polyurethane foam is secured by providing a lifting jig or a plate within the tank, or by rotating the tank. An apparatus for carrying out the method is also provided.

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