Suck back valve having diaphragm with thick walled section

Details Suck back valve having diaphragm with thick walled section Suck back valve having diaphragm with thick walled section

1997-12-18

1999-11-09

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

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

Nozzle cleaner, flusher or drainer

239106, 239586, 222571, B05B 1500

Patent

active

059797924

ABSTRACT:
A suck back valve comprises a valve body including a fluid passage having a first port formed at one end and a second port formed at the other end, and an air supply port for introducing a pressurized fluid; a displacement mechanism provided displaceably at the inside of the valve body, for making displacement in accordance with an action of the pressurized fluid introduced from the air port; a first diaphragm coupled to the displacement mechanism, for making displacement integrally with the displacement mechanism; and a seat section provided to face to the fluid passage, for seating the first diaphragm or making separation from the first diaphragm.

REFERENCES:
patent: 3895748 (1975-07-01), Klingenberg
patent: 4394945 (1983-07-01), Taylor, Jr.
patent: 4597719 (1986-07-01), Tano
patent: 5134962 (1992-08-01), Amada et al.
patent: 5423482 (1995-06-01), Mueller et al.

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