Manual container mounted pump

Details Manual container mounted pump Manual container mounted pump

B - Operations, Transporting

05

B

222/78

B05B 11/00 (2006.01) F04B 53/16 (2006.01)

Patent

CA 1053622

ABSTRACT OF THE DISCLOSURE DISPENSING PUMP A dispensing pump of the type in which the outlet valve will open and will remain open only when the pumping pressure is maintained above a predetermined minimum. The pump cylinder in which-the pump piston reciprocates, con- stitutes a unitary part of the outlet valve and also communi- cates freely with expansible, contractable pressure accumula- tion chamber, defined in part by the outlet valve and in part by the stationary pump housing. The pump piston and the outlet valve of the unit are movable independently of each other, while the stationary outlet or discharge passage for the pump is placed in communication with the pressure accumulation chamber only when the pressure within that chamber is at or above the predetermined minimum above referred to.

283895

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