Apparatus for the preparation of a flowable reaction mixture

Details Apparatus for the preparation of a flowable reaction mixture Apparatus for the preparation of a flowable reaction mixture

1993-09-16

1995-09-26

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Organic polymerization

422131, 422132, 422135, 422224, 422225, 366272, 366280, C08F 200, B01F 700

Patent

active

054532507

ABSTRACT:
Leakage problems can be avoided in an apparatus for the preparation of a solid or cellular plastic-forming, flowable reaction mixture of at least two flowable reaction components and at least one additional component, by providing in the feed pipe of one of the reaction components a mechanical pre-mixer having a stirrer shaft. Upstream of the pre-mixer, a hydraulic motor comprising two meshing toothed wheels which is driven by the components themselves, is disposed in a manner such that one of the toothed wheels is disposed on an extension of the stirrer shaft, and wherein the bearings of the toothed wheels and the stirrer shaft are outwardly enclosed.

REFERENCES:
patent: 2979237 (1961-04-01), Snow et al.
patent: 3394925 (1968-07-01), Sluijters
patent: 3617029 (1971-11-01), Breer et al.
patent: 4264214 (1981-04-01), Scholl et al.
patent: 4399104 (1983-08-01), Coblenz et al.
patent: 4452917 (1984-06-01), Proksa et al.
"Kunststoff Handbuch" (Plastic manual), vol. 7, Polyurethane, published by Carl Hanser Verlag, Munich, Vienna (1983), p. 103.

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