Spray nozzle holder containing two valves for flow control

Details Spray nozzle holder containing two valves for flow control Spray nozzle holder containing two valves for flow control

1994-01-19

1995-08-15

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Serially arranged valves

2395811, 13761417, B05B 132

Patent

active

054412030

ABSTRACT:
A spray nozzle holder (1) has an inlet (12) through which liquid to be sprayed is admitted and an outlet (14) for passing liquid to a nozzle tip attached in use to the holder. A check valve (50,51,52) is positioned between the inlet (12) and the outlet (14) for preventing liquid flow when the liquid pressure is below a predetermined level. A further valve (20,23,24,26) is provided to prevent liquid flow to the outlet (14) during removal or maintenance of the check valve (50,51,52).

REFERENCES:
patent: 1616335 (1927-02-01), Rochefort
patent: 2698731 (1955-01-01), Koehler et al.
patent: 3701598 (1972-10-01), Katchka
patent: 3822040 (1974-07-01), Hibbard
patent: 3863841 (1975-02-01), Berthoud
patent: 4187872 (1980-02-01), Freeman et al.
patent: 4736771 (1988-04-01), McCafferty
patent: 4846221 (1989-07-01), Kanemura
patent: 5373868 (1994-12-01), Rodriguez

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