Pipe coupler
AssigneePont-A-Mousson S.A.
InventorsJean Pierre Vitel, Pierre Louis Barbe, Jean-Paul Gaillot, Bernard Coche
Life of this patent
Estimating the term…
Abstract
A coupler (10) for pipes is designed for end-to-end assembly of pipe elements (2,4). It contains a waterproof tubular elastomer gasket (14), an exterior collar (12) which contains a collar that is cut longitudinally and at least partially covers the gasket, and means (16) for tightening the collar to bring together its extremities and to compress the waterproofing gasket. The means for tightening contains two matched flanges (18, 20) attached to each extremity of the collar, and means (22) for fastening the two flanges one to the other.
Claims14
A coupler (10) for the end-to-end assembly of two pipe elements (2, 4), the coupler comprising:
- a tubular elastomer waterproofing gasket (14), an exterior collar (12) having a longitudinal cut and at least partially covering the gasket, and means (16) for tightening the collar to bring facing lateral extremities thereof closer and compress the waterproofing gasket, wherein the tightening means comprises two matched flanges, each attached to a lateral extremity of the collar, and means (22) for bringing the two flanges together, and wherein the collar comprises a tubular metallic sleeve having, in said facing extremities, openings (34) for the attachment of the flanges, and the flanges have legs (48) inserted in said openings, said legs insuring the attachment of the flanges to the extremities of the collar.
Dependencies are inferred from the claim text.