Apparatus for the preparation of a reaction mixture from fluid c

Details Apparatus for the preparation of a reaction mixture from fluid c Apparatus for the preparation of a reaction mixture from fluid c

1979-08-15

1981-09-29

McCarthy, Edward J.

Agitating

Having specified feed means

Returning material to supply

422105, 422112, 422113, 425817R, 264DIG83, B01F 1500, G05D 1600

Patent

active

042919916

ABSTRACT:
The invention is directed to an apparatus for the preparation of a reaction mixture, from fluid components, comprising storage tanks, feed pipes leading from said storage tanks to a mixing head via metering pumps and opening into a mixing chamber via injection apertures, said mixing chamber formed by the bore of a housing, a control piston displaceable within said bore and being capable of blocking flow through said apertures, return lines branching off upstream of said apertures and leading up to said storage tanks, and a shut-off means for stopping the flow of said material through at least one of said return lines, the activation of said shut-off means being dependent upon the position of said control piston within said bore.

REFERENCES:
patent: 3706515 (1972-12-01), Keuerleber
patent: 3773300 (1973-11-01), Hauser
patent: 3926219 (1975-12-01), Ersfeld
patent: 3929989 (1975-12-01), Althausen
patent: 3960506 (1976-06-01), Schmitzer
patent: 3975128 (1976-08-01), Schlister
patent: 3982870 (1976-09-01), Boden
patent: 4013391 (1977-03-01), Boden
patent: 4019652 (1977-04-01), Suh et al.
patent: 4105045 (1978-08-01), Althausen
patent: 4106115 (1978-08-01), Takshashi
patent: 4126399 (1978-11-01), Schneider
patent: 4129636 (1978-12-01), Boden
RIM urethanes get boost from new technique, for filling, reinforcement, Modern Plastics International, Sep. 1977, pp. 14-15.

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