Apparatus for preparation of matrices containing frangible parti

Details Apparatus for preparation of matrices containing frangible parti Apparatus for preparation of matrices containing frangible parti

1975-12-19

1978-06-06

Freeh, William L.

Pumps

Correlated pump and motor or clutch control

Pump distributor control

417454, 417507, 417536, F04B 900

Patent

active

040934047

ABSTRACT:
A double acting metering pump is disclosed for use in apparatus to prepare matrices containing frangible particulate material. The double acting pump provides a metered output of matrix containing frangible particulate material which is mixed with a parent matrix from an extruding apparatus in a downstream static mixer. The pump includes pneumatically actuated valves that control the flow of matrix to each of two alternately discharged pumping chambers. The pump is facilely disassembled for cleaning and is surrounded by a heating jacket to maintain an essentially uniform temperature in the matrix during pumping.

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patent: 3462300 (1969-08-01), Hocutt
patent: 3612729 (1971-10-01), Commarmot

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