Animal husbandry – Watering or liquid feed device – Drop-delivering
Patent
1984-04-02
1985-06-25
Swiatek, Robert P.
Animal husbandry
Watering or liquid feed device
Drop-delivering
251333, A01K 706, F16K 144
Patent
active
045247242
ABSTRACT:
This disclosure is directed to a nipple particularly adapted for feeding liquid to fowl and/or small animals, the nipple including a housing in which is press-fit a relatively thick walled machined metallic insert defining a passage through which liquid is adapted to pass from an upstream portion to a downstream portion thereof, a valve in the passage defined by a pair of peripheral valve seats and a metallic spherical ball normally resting upon the peripheral valve seats, the first peripheral valve seat is upstream from the second peripheral valve seat and has a diameter less than the diameter of the spherical ball but greater than the diameter of the second peripheral valve seat, a stem defined by a head and a pin, the stem having a concave surface within which is fully seated the spherical ball, and a surface of the insert upstream from the first peripheral valve seat being operative for both centering the metallic ball relative to both the first and second peripheral valve seats and for preventing the establishment of high impact closing forces between the metallic ball and the second peripheral valve seat thereby assuring repetitive formation of two peripheral seals absent damage to the metallic ball.
REFERENCES:
patent: 1168933 (1916-01-01), Burkley
patent: 2851007 (1958-09-01), Kagan
patent: 2884944 (1959-05-01), Giles
patent: 3077896 (1963-02-01), Weingard
patent: 3510103 (1970-05-01), Carsello
patent: 3669077 (1972-06-01), Spierenburg
patent: 4284036 (1981-08-01), Hostetler
Schulze Kris R.
Swiatek Robert P.
Val Products Inc.
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