Coaxial pump mixer

Details Coaxial pump mixer Coaxial pump mixer

1978-08-09

1979-12-04

Roberts, Edward L.

Agitating

Stirrer within stationary mixing chamber

Rotatable stirrer

366306, 366317, B01F 726

Patent

active

041769724

ABSTRACT:
A thin, circular mixing apparatus for receiving from separate sources (1) dry calcined gypsum powder and (2) the liquid ingredients of the core of a gypsum wallboard, with the liquids being fed to a small diameter radially inward centrifugal pump portion, the dry ingredients being fed to a medium diameter circular portion into which the centrifugal pump elements continually force the liquids in an outwardly spiralling path and having a radially outermost circular portion into which the mixture is further forced in a continued outwardly spiralling path and out from which the mixture is discharged, between rotating radially outwardly projecting teeth.

REFERENCES:
patent: 2641453 (1953-06-01), Teale
patent: 3231242 (1966-01-01), Schrier
patent: 3459620 (1969-08-01), McCleary et al.

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