Poultry watering valve

Details Poultry watering valve Poultry watering valve

1988-08-30

1990-01-30

Hirsch, Paul J.

Animal husbandry

Watering or liquid feed device

Drop-delivering

137448, 251120, 251298, 251339, A01K 706

Patent

active

048966290

ABSTRACT:
A poultry watering valve includes a housing including a body and cap defining a recess with a valve seat at its upstream end. A unitary seal member in the chamber includes a valve member portion urged by a spring against the downstream side of the valve seat. The seal member also includes a restrictor pin extending in an inlet bore upstream from the valve seat and a shank carring an operating stem extending through the valve outlet. The cap may be detached from the body for access to the seal member and spring without removing the body from the water supply conduit.

REFERENCES:
patent: 3582006 (1971-06-01), Thompson
patent: 4258666 (1981-03-01), Edstrom
patent: 4284036 (1981-08-01), Hostetler
patent: 4338884 (1982-07-01), Atchley et al.
patent: 4406253 (1983-09-01), Atchley et al.
patent: 4573433 (1986-03-01), Thompson
patent: 4586464 (1986-05-01), Agerley et al.
patent: 4633816 (1987-01-01), Ove et al.
patent: 4779571 (1988-10-01), Row
patent: 4790264 (1988-12-01), Lack et al.

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