Plastic article or earthenware shaping or treating: apparatus – With separate apparatus cleaning means – Coacting with forming means or dough divider type trap chamber
Patent
1975-03-24
1976-03-02
Ward, Jr., Robert S.
Plastic article or earthenware shaping or treating: apparatus
With separate apparatus cleaning means
Coacting with forming means or dough divider type trap chamber
425229, 164149, 164158, 118316, 239 66, 239261, 239264, B29C 104, B05C 500, B05B 1510, B05B 306
Patent
active
039415376
ABSTRACT:
Briefly the invention comprises a rotary sprayer useful for cleaning circular dies. The rotary sprayer comprises a pair of rotary unions each including a base portion, a cylinder portion upraised therefrom and a hollow rotor portion rotatingly mounted in said cylinder portion thereof, said unions being positioned with their bases in opposed adjacent relation. A pair of hollow spray arms, the hollow portions of which each communicate with the hollow portion of one of said rotors, each of said spray arms ending in a nozzle also form a part of the invention. A pair of passages, one through the cylinder portion of each of said unions, said passages each communicating with the hollow portion of the respective rotor form another part of the rotary sprayer of the invention. Also part of the invention are means for supplying a pressurized gas to each of said passages or a pressurized liquid to each of said passages and means for preventing simultaneous supply of air and liquid to each of said passages.
REFERENCES:
patent: 2245575 (1941-06-01), Court
patent: 3248762 (1966-05-01), Wagner
patent: 3426973 (1969-02-01), Ordway
patent: 3720375 (1973-03-01), Kumaoka
patent: 3731878 (1973-05-01), Lubetzky et al.
patent: 3801251 (1974-04-01), Coscia
patent: 3814322 (1974-06-01), Waldrum
Caterpillar Tractor Co.
Ward, Jr. Robert S.
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