Animal husbandry – Waste toilet or related device – Walled receptacle; e.g. – litter box – etc. – containing...
Patent
1973-06-06
1976-05-25
Eskovitz, J. N.
Animal husbandry
Waste toilet or related device
Walled receptacle; e.g., litter box, etc., containing...
222518, A01K 2900
Patent
active
039585379
ABSTRACT:
There is herein disclosed oil and insecticide dispensing apparatus for livestock comprising a one-piece plastic valve housing frictionally retained in a mounting wall with an outlet opening in a rounded end wall cooperably receiving a one-piece plastic spring biased valve plunger movable by animal contact between a closed position and an open position relative to the outlet opening and sealed within the housing of an O-ring made of fluorocarbon plastic material.
REFERENCES:
patent: 1045198 (1912-11-01), Schultz
patent: 2988051 (1961-06-01), Minock
patent: 3220617 (1965-11-01), Veistrup
patent: 3727586 (1973-04-01), Brewster
New Products and Mat'ls, J. O' Connor, editor, Chemical Engineering, Apr. 1950.
Eskovitz J. N.
Klaas Bruce G.
Sittner Manufacturing Co., Inc.
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