Pipe jointing or closing device

Details Pipe jointing or closing device Pipe jointing or closing device

1990-02-28

1991-08-06

Arola, Dave W.

Pipe joints or couplings

Elbow

285367, 285369, 285901, 285906, 138 89, F16L 2500

Patent

active

050371410

ABSTRACT:
A device for jointing or closing pipe ends and comprising a single or double-ended rigid or semi-rigid tubular body (10) adapted to retain and protect a single or double-ended elastomeric sleeve (12) with a resilient annular collar (13) protruding from the body at the or each end. The sleeve (12) surrounds the pipe to be joined or closed, and a clamping ring consisting of a pair of semi-circular segments (14) is closed around the collar (13) with bolts (15) and diametrically opposed wedge-like members (18) which are in sliding engagement with the internal surfaces of the clamping ring segments (14) thus to be forced inwardly together with the latter when the bolts (15) are tightened. This ensures a substantially unform radial compression of the collar (13) around the pipe wall.

REFERENCES:
patent: 2726681 (1955-12-01), Conroy et al.
patent: 3502355 (1970-03-01), Demler et al.
patent: 3958313 (1976-05-01), Rossborough
patent: 4417755 (1983-11-01), Gittleman
patent: 4420176 (1986-12-01), Cornwell
patent: 4611835 (1986-09-01), Gittleman

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