Sealing flange, in particular for internal lining of pipes

Details Sealing flange, in particular for internal lining of pipes Sealing flange, in particular for internal lining of pipes

1997-01-23

1998-07-21

Nicholson, Eric K.

Pipe joints or couplings

Frangible element

285 15, 285345, 2851331, 285 55, 277208, F16L 5513, F16L 4700

Patent

active

057824983

ABSTRACT:
The invention relates to a sealing flange (14) which comprises a tubular structure which has an axis (22) and consists of an integral tubular outer body (20) which contains a series of annular seals (32a, 32b, 32c, 32d) which are disposed substantially coaxially according to the axis, these seals being suitable for surrounding a tube when the latter is inserted in the structure. The invention applies in particular to repair of gas pipes.

REFERENCES:
patent: 1926197 (1933-09-01), Durr
patent: 1933117 (1933-10-01), Markle
patent: 3201148 (1965-08-01), Shurtleef
patent: 3682503 (1972-08-01), Bloom
patent: 3807744 (1974-04-01), Gibling
patent: 3998478 (1976-12-01), Zopei
patent: 4174125 (1979-11-01), Wyss
patent: 4579353 (1986-04-01), Bower
patent: 4664421 (1987-05-01), Jones
patent: 5071170 (1991-12-01), Panella
patent: 5082313 (1992-01-01), Bryant
patent: 5180197 (1993-01-01), Thompson, Jr.
patent: 5421370 (1995-06-01), Marcout et al.

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