Process and apparatus for the preparation of a free-flowing mixt

Details Process and apparatus for the preparation of a free-flowing mixt Process and apparatus for the preparation of a free-flowing mixt

1987-01-15

1988-08-16

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 74, 521 99, 521131, 521133, C08G 1814

Patent

active

047645369

ABSTRACT:
The present invention is directed to a process and apparatus for introducing gas into one of at least two free-flowing components which are subsequently mixed to provide a foam-forming free-flowing mixture by transferring the component to have gas dispersed therein from a supply container to a gas loading area, loading the component with gas and returning the component to the supply area, wherein the gas used in the gas loading area is obtained from a gas cushion maintained in the supply container and wherein the gas is compressed to a pressure higher than the pressure in the gas loading area before it is dispersed into the free-flowing component.

REFERENCES:
patent: 4050896 (1977-09-01), Raffel et al.
patent: 4157427 (1979-06-01), Ferber
patent: 4376172 (1983-03-01), Belangee et al.

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