Fire resistant seal

Details Fire resistant seal Fire resistant seal

1986-09-04

1987-10-27

Arola, Dave W.

Pipe joints or couplings

With fluid pressure seal

Flexible lip

285373, 285910, 285187, 277 26, F16L 1706

Patent

active

047025000

ABSTRACT:
An elastomeric seal for incorporation into a pipe coupling includes a fire-ring which acts to retain a residual portion of a radial flange of the seal in sealing relationship with the pipe ends in the event of thermal destruction of the remainder of the seal.

REFERENCES:
patent: 3869132 (1975-03-01), Taylor et al.

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