Manual pump device

Details Manual pump device Manual pump device

B - Operations, Transporting

65

D

B65D 51/00 (2006.01) B65D 51/16 (2006.01)

Patent

CA 2157126

A cap has a cover member, a pump member and a spring. The pump member releasably and sealingly engages a mouth of a container. The pump member has a first valve for communicating with an interior space of the container. The cover member slidably and sealingly engages the pump member defining a cavity therebetween. The cover member has a second valve. The spring is mounted between the cover member and the pump member for urging the cover member away from the pump member. Reciprocating movement be- tween the cover member relative to the pump member urges fluid from within the cavity through one of the first and second valves on a first stroke and urges fluid into the cavity through the other of the first and second valves on an opposite stroke.

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