Valved mix-head for rim process

Details Valved mix-head for rim process Valved mix-head for rim process

1985-12-23

1987-09-22

Lacey, David L.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

Control element is fluid pressure sensitive

422116, 422133, 422135, 137563, 366131, 366134, 366136, 366137, 366159, 366182, G05D 1600, G05B 1700, B01F 1502

Patent

active

046954333

ABSTRACT:
A high pressure mix-head for use in reaction injection molding systems includes a full cross section plunger and a piston valve assembly selectively positioned in response to recirculation and pour cycles to control flow through recirculation passages formed on the O.D. surface of a mix-head sleeve.

REFERENCES:
patent: 3964731 (1976-06-01), Ernst
patent: 4053283 (1977-10-01), Schneider et al.
patent: 4175874 (1979-11-01), Schneider
patent: 4226543 (1980-10-01), Schluter
patent: 4279517 (1981-07-01), Wallner et al.
patent: 4592657 (1986-06-01), Taubenmann
patent: 4600312 (1986-07-01), Scrivo

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