Apparatus for the feeding (metering) of liquid synthetic-resin c

Details Apparatus for the feeding (metering) of liquid synthetic-resin c Apparatus for the feeding (metering) of liquid synthetic-resin c

1978-04-21

1980-07-08

Rolla, Joseph J.

Dispensing

Plural sources, compartment, containers and/or spaced jacket

Interconnected discharge volume varying means

222334, 92205, 277 95, 277 77, 277110, B67D 546

Patent

active

042113458

ABSTRACT:
A dosing unit for highly filled synthetic-resin components, usually a polyol and an isocyanate mixed with glass fiber, barite or chalk, comprises a piston which displaces the components or one of them, especially the filled component under the control of fluid pressure. The change in the feed rate of the fluid-controlled unit is varied by varying the speed of the displacing member of the fluid-controlled unit which is preferably a piston-and-cylinder arrangement. The piston-and-cylinder arrangement has its drive piston formed with a normal seal and its dosing or metering piston formed with an adjustable seal such that a tool can be inserted through the cylinder wall to rotate a toothed member of this latter piston to adjust for wear of its seal.

REFERENCES:
patent: 984837 (1911-02-01), Morrison et al.
patent: 1145733 (1915-07-01), Wright
patent: 1372262 (1921-03-01), Yount
patent: 3890922 (1975-06-01), Nordenholt
patent: 3923428 (1975-12-01), Clark et al.

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