Flexible joint means

Details Flexible joint means Flexible joint means

1987-05-22

1989-07-11

Reese, Randolph A.

Pipe joints or couplings

Flexible joint, rigid members

Diaphragm

285229, 285237, 285900, F16L 2704

Patent

active

048465097

ABSTRACT:
In a flexible joint having a through-bore for the flow of fluid and comprising a pair of annular rigid members relatively rotatable about the longitudinal axis of the flexible joint, an annular elastomeric bearing is interposed between the relatively rotatable annular rigid members to flexibly interconnect the members and transmit load therebetween, and a normally sealed annular chamber is provided between the relatively rotatable annular rigid members and arranged to extend over an otherwise exposed surface of the bearing. Preferably the annular chamber is defined in part by a flexible diaphragm; the flexible diaphragm or the manner in which it is located permits relative rotational movement of the rigid members.

REFERENCES:
patent: 1220270 (1917-03-01), Phillips, Jr.
patent: 1923124 (1933-08-01), Stanley
patent: 3236544 (1966-02-01), Brown
patent: 3680895 (1972-08-01), Herbert et al.
patent: 3853337 (1974-12-01), Herbert et al.
patent: 4068864 (1978-01-01), Herbert et al.
patent: 4121861 (1978-10-01), Gorndt
patent: 4183556 (1980-01-01), Schwemmer
patent: 4273363 (1981-06-01), Angel
patent: 4295671 (1981-10-01), Clebant

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