Large deflection pipe coupling

Details Large deflection pipe coupling Large deflection pipe coupling

1986-06-27

1987-08-11

Callaghan, Thomas F.

Pipe joints or couplings

Elbow

285231, 285374, 285369, F16L 2102

Patent

active

046857052

ABSTRACT:
This invention pertains to a pipe joint which allows greater joint deflection by the use of a bell stub between a pair of coupled pipes. The bell stub has a bell contour inside and a plain end contour outside.

REFERENCES:
patent: 1383322 (1921-07-01), Marr
patent: 2165926 (1939-07-01), Greene
patent: 2448271 (1948-08-01), McClintock
patent: 2953398 (1960-09-01), Haugen et al.
patent: 3684320 (1972-08-01), Platzer et al.
patent: 4108481 (1978-08-01), Graham
patent: 4361336 (1982-11-01), Reeh et al.
patent: 4480860 (1984-11-01), Foresta et al.

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