Method and apparatus for controlling the number of cells in polyurethane foam

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United States of America Patent

PATENT NO 5521224
SERIAL NO

08453845

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention relates to a method and an apparatus for producing polyurethane foam with a controlled number of cells, in which a gas is dispersed in one of the components, i.e. the polyol or the isocyanate, in a dispersing device arranged between the mixing head and the metering pump for the respective component.

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Patent Owner(s)

Patent OwnerAddress
MASCHINENFABRIK HENNECKE GMBHD-51379 LEVERKUSEN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Raffel, Reiner Siegburg, DE 49 431
Steilen, Herbert Konigswinter, DE 7 102
Sulzbach, Hans-Michael Konigswinter, DE 56 448

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