Pressure buildup trigger sprayer

Details Pressure buildup trigger sprayer Pressure buildup trigger sprayer

1994-12-12

1997-04-22

Morris, Lesley D.

Fluid sprinkling, spraying, and diffusing

Including supply holder for material

Moving solid surface engages material to be sprayed

2223831, B05B 9043

Patent

active

056223170

ABSTRACT:
A pressure buildup trigger sprayer contains a valve element that vents air from a pump chamber of the sprayer to the interior of a liquid container to which the sprayer is attached while priming the pump.

REFERENCES:
patent: 4082223 (1978-04-01), Nozawa
patent: 4174056 (1979-11-01), Loeffler
patent: 4183449 (1980-01-01), Blake
patent: 4201317 (1980-05-01), Aleff
patent: 4228931 (1980-10-01), Ruscitti et al.
patent: 4365751 (1982-12-01), Saito et al.
patent: 4747523 (1988-05-01), Dobbs
patent: 4923094 (1990-05-01), O'Neill
patent: 5425477 (1995-06-01), Montaner et al.

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