Manually-operated dispensing pump

Details Manually-operated dispensing pump Manually-operated dispensing pump

1993-03-08

1994-10-04

Kashnikow, Andres

Dispensing

With discharge assistant

Plural

222321, 222340, 222385, G01F 1100

Patent

active

053518632

ABSTRACT:
A manually-operated dispensing pump for attachment to a container. The pump has a cylinder and a plunger with first and second skirts slidable in the cylinder. The plunger moves in one direction in an intake stroke and is manually-operated to move in the opposite direction in a pressurizing stroke. The plunger has a passage extending to a spray head on its end away from the cylinder for passing flowable product to the spray head. The pump has structure for connecting the interior of the container above the level of the product in it to the atmosphere during each pressurizing stroke of the plunger.

REFERENCES:
patent: 4079865 (1978-03-01), Kutik
patent: 4089442 (1978-05-01), Hafele et al.
patent: 4146155 (1979-03-01), Kutik
patent: 4315582 (1982-02-01), Micallef
patent: 4452379 (1984-06-01), Bundschuh
patent: 4538745 (1985-09-01), Dunning et al.
patent: 4728009 (1988-03-01), Schmidt
patent: 4826052 (1989-05-01), Micallef
patent: 4991746 (1991-02-01), Schultz
patent: 5211315 (1993-05-01), Geier

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