Pipe coupling

Details Pipe coupling Pipe coupling

1989-12-28

1992-01-28

Reese, Randolph A.

Pipe joints or couplings

Essential catch

285330, 285351, 285421, F16L 3708

Patent

active

050838202

ABSTRACT:
A pipe coupling for driven-in pipes or the like includes a first pipe having a male coupling end, a first annular supporting element connected about the male coupling end, and a second pipe having a female coupling end adapted to receive the male coupling end. The female coupling end has a second annular supporting element connected to the exterior of the female coupling end.

REFERENCES:
patent: 801774 (1905-10-01), Devonshire
patent: 2785911 (1957-03-01), Kaufman
patent: 3759553 (1973-09-01), Carter
patent: 3759554 (1973-09-01), Carter
patent: 4907828 (1990-03-01), Chang

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