Pipe couplings

Details Pipe couplings Pipe couplings

1980-10-20

1983-11-08

Arola, Dave W.

Pipe joints or couplings

With assembly means or feature

With holding means functioning only during transportation...

285323, 285368, 285369, 285383, F16L 5500

Patent

active

044138458

ABSTRACT:
A pipe coupling comprises a first pipe-encircling member having an outwardly extending peripheral flange, a sealing ring disposed within the first member to provide a seal between the member and a pipe, a second pipe-encircling member having an outwardly extending peripheral flange, a pipe-gripping collar within the second member having an external frusto-conical surface so arranged that, upon axial movement of the second member towards the first member, the collar is contracted radially to grip the pipe, and a number of axially extending clamping bolts passing through registering holes in the outwardly extending flanges, so that by tightening the clamping bolts the second member is moved axially towards the first member, causing the collar to grip the pipe, without relative rotation between the members.

REFERENCES:
patent: 1851574 (1932-03-01), Fiederlein
patent: 2202492 (1940-05-01), Jalocks
patent: 2376017 (1945-05-01), Smallpeice
patent: 2459956 (1949-01-01), Muller
patent: 2557495 (1951-06-01), Bily
patent: 2819099 (1958-01-01), Rittle
patent: 2937038 (1960-05-01), Gondek
patent: 4138145 (1979-02-01), Lawrence
patent: 4138147 (1979-02-01), Manchester

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