Method of making pipe coupling joint

Details Method of making pipe coupling joint Method of making pipe coupling joint

1978-08-09

1981-03-24

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Assembling or joining

29516, 29520, 29525, 2853822, B21D 3900, B23P 1100

Patent

active

042571553

ABSTRACT:
Disclosed is a pipe coupling joint comprising an interference fit coupling of unthreaded pipe sections. The end of the outer pipe in a telescoped interference fit coupling is radially compressed to form a groove in the inner pipe. The crimped end is compressed into the groove to securely couple the pipe sections together. Lined pipe joints and methods and apparatus for forming the improved interference fit joint are also disclosed.

REFERENCES:
patent: 1889795 (1932-12-01), Smith et al.
patent: 2168631 (1939-08-01), Scott
patent: 2233471 (1941-03-01), Clements
patent: 2741498 (1956-04-01), Elliott
patent: 3124874 (1964-03-01), Woolley
patent: 3210102 (1965-10-01), Joslin
patent: 3466738 (1969-09-01), Mount

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