Pipe joints or couplings – U-type
Patent
1981-11-27
1984-10-16
Arola, Dave W.
Pipe joints or couplings
U-type
285279, F16L 3904
Patent
active
044771070
ABSTRACT:
A rotating joint for establishing supply and return fluid flow connections between stationary piping and a rotating drum and syphon pipe and in which separate bearings and seals are provided for a drum shaft and a syphon pipe.
REFERENCES:
patent: 2791449 (1957-05-01), Monroe
patent: 2794659 (1957-06-01), Bily
patent: 2805087 (1957-09-01), Shaw et al.
patent: 2873538 (1959-02-01), Shumaker
Ferguson George R.
Royer William W.
Arola Dave W.
Duff-Norton Company, Inc.
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