Upright/inverted sprayer

Details Upright/inverted sprayer Upright/inverted sprayer

1997-04-28

1998-04-14

Derakshani, Philippe

Dispensing

With discharge assistant

With material supply container and discharge assistant with...

222382, B67D 540

Patent

active

057382522

ABSTRACT:
A manually actuated liquid pump sprayer is capable of use in both upright and inverted positions without leakage through the vent port by the provision of an auxiliary inlet passage including an inlet port in the path of a slider valve, and a vent port likewise in the path of a slider valve. The vent port is open while the inlet port is closed while the slider valve in the upright attitude of the sprayer, while the converse is effected by the slider valve when operating the sprayer in an inverted position.

REFERENCES:
patent: 2792974 (1957-05-01), Smith et al.
patent: 2793794 (1957-05-01), Samuel
patent: 4019661 (1977-04-01), Szabo
patent: 4124149 (1978-11-01), Spitzer et al.
patent: 5467901 (1995-11-01), Foster et al.
patent: 5620113 (1997-04-01), Meshberg

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