Pump sprayer with stationary discharge

Details Pump sprayer with stationary discharge Pump sprayer with stationary discharge

1994-06-29

1995-06-20

Kashnikow, Andres

Dispensing

With discharge assistant

With material supply container and discharge assistant with...

B67D 542

Patent

active

054254779

ABSTRACT:
A precompression pump sprayer has a stationary discharge and a reciprocable pump cylinder which squeezes the air out of the pump chamber to facilitate priming as the cylinder is plunged relative to a piston shifted by the plunger to open the discharge during priming. Once primed the piston is shifted to open the discharge upon a build up of pressure during plunger reciprocation. A container vent is controlled by operation of the plunger.

REFERENCES:
patent: 4051983 (1977-10-01), Anderson
patent: 4596344 (1986-06-01), Corsette
patent: 4691849 (1987-09-01), Tada
patent: 4728009 (1988-03-01), Schmidt
patent: 4815663 (1989-03-01), Tada
patent: 4923094 (1990-05-01), O'Neill
patent: 4941595 (1990-07-01), Montaner et al.
patent: 4953791 (1990-09-01), Tada
patent: 4982900 (1991-01-01), Blake
patent: 5064105 (1991-11-01), Montaner
patent: 5222637 (1993-06-01), Giuffredi
patent: 5244126 (1993-09-01), Geier
patent: 5299717 (1994-04-01), Geier

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