Agitating – Having interrelated feed and discharge means – Including means to monitor or control operation
Patent
1994-01-27
1995-06-13
Scherbel, David A.
Agitating
Having interrelated feed and discharge means
Including means to monitor or control operation
264 50, 264DIG5, 366136, 3661522, 3661621, B01F 1504
Patent
active
054236070
ABSTRACT:
A blending apparatus for continuously and accurately blending a plurality of diverse, normally gaseous or volatile liquid components, preferably two or three, at low pressures. In a preferred embodiment, the apparatus blends a first stream of volatile liquid component, preferably carbon dioxide with a liquid stream of any suitable hydrocarbon (including halogenated hydrocarbons) blowing agent in accordance with any predetermined ratio desired by those skilled in the art before introducing the blend into a suitable extrusion process for preparation of polymeric foams and the like. The apparatus combines the liquid components at a pressure substantially lower than the elevated pressure required during the extrusion process. In an alternative embodiment, the blending apparatus blends a liquid stream of volatile liquid component, preferably carbon dioxide with a liquid stream of a first hydrocarbon blowing agent in accordance with any predetermined ratio and subsequently blends a second hydrocarbon blowing agent with the blend of the liquid carbon dioxide and the first hydrocarbon blowing agent.
REFERENCES:
patent: 2788953 (1957-04-01), Schneider
patent: 3160688 (1964-12-01), Aykanian et al.
patent: 3266780 (1966-08-01), Waters
patent: 3344215 (1967-09-01), De Witz et al.
patent: 3424439 (1969-01-01), Baker
patent: 3444283 (1969-05-01), Carlson, Jr.
patent: 3482006 (1969-12-01), Carlson, Jr.
patent: 3658973 (1972-04-01), Aykanian
patent: 3773300 (1973-11-01), Hauser
patent: 3793416 (1974-02-01), Finkmann et al.
patent: 3985348 (1976-10-01), Skidmore
patent: 4085073 (1978-04-01), Suh et al.
patent: 4096585 (1978-06-01), Fiorentini
patent: 4124336 (1978-11-01), Johnson
patent: 4344710 (1982-08-01), Johnson et al.
patent: 4424287 (1984-01-01), Johnson et al.
patent: 4427298 (1984-01-01), Fahy et al.
patent: 4436679 (1984-03-01), Winstead
patent: 4469651 (1984-09-01), Hahn et al.
patent: 4470938 (1984-09-01), Johnson
patent: 4621927 (1986-11-01), Hiroi
patent: 4636527 (1987-01-01), Suh et al.
patent: 4778631 (1988-10-01), Cobbs, Jr. et al.
patent: 4840976 (1989-06-01), Weber et al.
patent: 4912140 (1990-03-01), Tusim
patent: 4916166 (1990-04-01), Suh et al.
patent: 4964732 (1990-10-01), Cadeo et al.
patent: 5006566 (1991-04-01), Weber et al.
patent: 5049328 (1991-09-01), Meyer et al.
patent: 5082142 (1992-01-01), Saidman et al.
Baker John L.
Jones Clifford
Dolco Packaging Corp.
Scherbel David A.
Soohoo Tony G.
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