Pipe repair or jointing collar

Details Pipe repair or jointing collar Pipe repair or jointing collar

1996-09-24

1998-06-30

Arola, Dave W.

Pipe joints or couplings

Repair

285373, 285379, F16L 55172

Patent

active

057722536

ABSTRACT:
A pipe repair or jointing collar, comprising a pair or arcuate segments (10) with clamping means (at 11) for drawing the segments together along an axis (XX) to form a collar around a pipe or a plurality of pipe ends, each segment (10) having an associated sealing member comprising a pair of longitudinally-spaced arcuate sealing strips (21) between the respective ends of which extend a pair of longitudinal sealing strips (20) with wedge-like members (18) embedded therein adapted to progress generally inwardly each towards the axis (XX) with respect to the segments (10) as the latter are drawn together in order to force the sealing members (20, 21) radially inwards locally of the wedge-like members (18). The integral formation of the sealing members and wedge-like members provide a minimum number of parts to aid assembly of the collar in hazardous conditions.

REFERENCES:
patent: 4768813 (1988-09-01), Timmons
patent: 5121946 (1992-06-01), Jardine
patent: 5295716 (1994-03-01), Bridges
patent: 5605357 (1997-02-01), Bird

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