Compressed O-ring spray gun needle valve seal

Details Compressed O-ring spray gun needle valve seal Compressed O-ring spray gun needle valve seal

1988-12-27

1990-09-25

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

With cleaning means, drip collecting, waste disposal or soil...

Nozzle cleaner, flusher or drainer

239123, 239DIG4, 251214, 251900, B05B 702, B05B 1502

Patent

active

049587692

ABSTRACT:
This invention is directed to a seal for a needle valve stem in devices used to dispense a fluid. The seal comprises an O-ring in radial and annular compression about the outside cylindrical portion of a needle valve stem.

REFERENCES:
patent: 2484102 (1949-10-01), Le Valley
patent: 2690360 (1954-09-01), Young
patent: 3144210 (1964-08-01), Levy
patent: 3194502 (1965-07-01), West
patent: 3233863 (1966-02-01), Bowen et al.
patent: 3419247 (1968-12-01), Bosi
patent: 3441249 (1969-04-01), Aslan
patent: 3515371 (1970-06-01), King et al.
patent: 3524593 (1970-08-01), Buckley et al.
patent: 3568976 (1971-03-01), Thumm
patent: 4262847 (1981-04-01), Stitzer
patent: 4560109 (1985-12-01), Teruyuki et al.
patent: 4687180 (1987-08-01), Simonelli et al.

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