Pump for dispensing liquid from a container

Details Pump for dispensing liquid from a container Pump for dispensing liquid from a container

B - Operations, Transporting

67

D

222/78

B67D 7/60 (2010.01) B05B 11/00 (2006.01)

Patent

CA 1246504

ABSTRACT A pump for dispensing liquid from a container is disclosed and comprised a cylinder, and a piston having an interior chamber with a valve member disposed therein, the valve member having a cylindrical surface at one end portion thereof. An inlet valve is provided and includes a sleeve having a cylindrical surface having a diameter sized to frictionally engage, provide a liquid seal and slide with respect to the cylindrical surface of the valve member. The inlet valve sleeve seats upon an annular ring extending around the inlet opening of the cylinder and seals the interior chamber of the pump with respect to the container. In accordance with an aspect of the invention, the pump may be non-venting such that a vacuum builds in the container as liquid is dispensed, and a sealing collar is provided to seal the pump with respect to the container.

479081

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