Compression fitting for pipes

Details Compression fitting for pipes Compression fitting for pipes

2008-04-29

2008-04-29

Bochna, David (Department: 3679)

Pipe joints or couplings

Nonmetal to metal

Internal member

Reexamination Certificate

active

07364206

ABSTRACT:
A compression fitting for rigid or semi-rigid pipes comprising an internal element11onto which the pipe12is fitted and into which at least one circumferential groove13is machined and an external sleeve20usually cylindrical is positioned around the pipe and intended to be deformed by radial compression to push the wall of the pipe inside said groove. The external wall of the sleeve20bears a circumferential protruding bead22in line with its area which is found in line with the groove of the internal element with interposition of the wall of the pipe, so that the compression of the sleeve by action of a cylindrical pressing wall30acts on the bead to deform the sleeve with the purpose of pushing the wall of the pipe inside the groove of the internal element.

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patent: 4990106 (1991-02-01), Szegda
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patent: 1 440 084 (1976-06-01), None
patent: WO 95/26480 (1995-10-01), None

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