Pipe coupling for repair

Details Pipe coupling for repair Pipe coupling for repair

1993-02-17

1994-12-27

Nicholson, Eric K.

Pipe joints or couplings

Repair

138 99, 285373, 285110, F16L 5516

Patent

active

053758889

ABSTRACT:
A pipe coupling for repair, includes separate housings and seal rings to be accommodated in the receiving portions formed in the housings, a holding portion being formed on the internal diameter side of the separate end face in the individual housing to receive the projecting seals formed at the separate ends of the above seal rings and the seal rings forming multiple string-shaped ring seals as a single unit between both ends of the above projecting seals by surrounding the portion to be repaired, and having a blocking plug in the above housing for a hole to test the sealing conditions after fixing to a pipe.

REFERENCES:
patent: 3550638 (1970-12-01), Smith
patent: 4049296 (1977-09-01), Harrison
patent: 4568091 (1986-02-01), Harrison
patent: 4653782 (1987-03-01), Munday
patent: 4927181 (1990-05-01), Ciotola
patent: 4927182 (1990-05-01), Moore
patent: 5118139 (1992-06-01), Lott

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