Pipe joints or couplings – Socket – With separable fastener
Patent
1991-08-12
1992-07-21
Arola, Dave W.
Pipe joints or couplings
Socket
With separable fastener
285111, 285156, 285422, F16L 2108
Patent
active
051316978
ABSTRACT:
A pipe is especially fabricated for use in conjunction with locking pin type threadless couplings. The pipe has a thin wall configuration achieved by fabricating it from high tensile steel produced by cold working, or reducing, low carbon steel.
REFERENCES:
patent: 2256455 (1941-09-01), Crawford
patent: 4165892 (1979-08-01), Platek et al.
American Fence Company, Inc.
Arola Dave W.
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