Gas and liquid contact apparatus – With external supply or removal of heat – Heat exchange means at or downstream of contact zone
Patent
1987-12-10
1990-04-10
Miles, Tim
Gas and liquid contact apparatus
With external supply or removal of heat
Heat exchange means at or downstream of contact zone
261DIG26, 261 82, 422236, 422134, 366136, 366258, B01F 304
Patent
active
049158813
ABSTRACT:
An apparatus for making a post-forming gel comprising, a first cylinder having a chamber and a slidable piston separating the chamber into a first compartment to receive a gel base and a second compartment, and a second cylinder having a chamber and a slidable piston separating the chamber into a first compartment to receive the gel base and a second compartment, with the first compartments of the first and second cylinder facing each other. The apparatus has a shaft connecting the pistons of the first and second cylinders, and a conduit connecting the first compartments of the first and second cylinders. The apparatus has a device for reciprocating the pistons in the first and second cylinders to cycle the gel base through the conduit between the first compartments of the first and second cylinders, and a device for introducing a foaming agent to the gel base while it is being cycled between the cylinders.
REFERENCES:
patent: 3541581 (1970-11-01), Monson
patent: 3756576 (1973-09-01), Tremolada
patent: 3860218 (1975-01-01), Hurlimann
patent: 4350650 (1982-09-01), Cereghini
patent: 4405489 (1983-09-01), Sisbarro
patent: 4589452 (1986-05-01), Clanet
patent: 4592657 (1986-06-01), Taubenmann
patent: 4661321 (1987-04-01), Byrd et al.
patent: 4673296 (1987-06-01), Sjogren
Ellis Roger D.
Straw Alan
Ancel Richard J.
Colgate-Palmolive Company
Grill Murray M.
Miles Tim
Sullivan Robert C.
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