Agitating – Having interrelated feed and discharge means – Including means to monitor or control operation
Patent
1995-04-12
1998-10-20
Scherbel, David
Agitating
Having interrelated feed and discharge means
Including means to monitor or control operation
366136, 3661602, 3661621, 3661521, 264DIG5, 264 53, B01F 1504
Patent
active
058236694
ABSTRACT:
An apparatus and method 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, and 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 higher 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: 4424287 (1984-01-01), Johnson et al.
patent: 4427298 (1984-01-01), Fahy et al.
patent: 4621927 (1986-11-01), Hiroi
patent: 4778631 (1988-10-01), Cobbs, Jr. et al.
patent: 5049328 (1991-09-01), Meyer et al.
patent: 5082142 (1992-01-01), Saidman et al.
Lolco Packaging Corp.
Scherbel David
Soohoo Tony G.
LandOfFree
Method for blending diverse blowing agents does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for blending diverse blowing agents, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for blending diverse blowing agents will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-237419