Miniature pump sprayer

Details Miniature pump sprayer Miniature pump sprayer

B - Operations, Transporting

05

B

B05B 11/02 (2006.01) A45D 34/00 (2006.01) B05B 11/00 (2006.01) B05B 15/00 (2006.01)

Patent

CA 2180490

A ventless miniature pump sprayer comprises a reciprocable plunger head extending outwardly of an open end of a tubular member divided into an upper sleeve section and a lower container section for a liquid to be sprayed. A dip tube integral with the member extends into the container, and a pump cylinder and hollow inlet tube integral with the member extend into the sleeve section. An integral shipper seal is molded in the inlet tube and a coaxial rod within a hollow piston on the plunger cooperates with the inlet tube for controlling the inlet and, during initial actuation of the plunger, pierces the shipper seal and has a groove or a rib thereon which establishes an air passage through which unwanted air from the pump chamber is ejected into the container to aid in pump priming.

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