Abrégé

A pipe fitting comprising three annular coaxial sections including a grip section, middle section, and a seal section, the grip section and seal section being separately fixed to the middle section, an annular array of grips in the grip section, an annular semi-rigid seal in the seal section, a hydraulic grip actuator in the housing for radially constricting the grips into gripping engagement with an exterior of a pipe extending into the housing, and a hydraulic seal actuator hydraulically and mechanically independent of the grip actuator, for forcing the seal radially into engagement with an exterior of the pipe, a first mechanical lock for maintaining the grips in contact with the pipe and a second mechanical lock maintaining the seal in contact with the pipe.

Classes IPC  ?

• F16L 37/62 - Accouplements du type à action rapide actionnés pneumatiquement ou hydrauliquement
• F16L 17/10 - Raccords avec garnitures adaptées à une étanchéité par pression de fluide la garniture étant rendue étanche par la pression d'un fluide autre que celui circulant dans le tuyau ou entourant le tuyau

Abrégé

A fitting for encasing an extended length of pipe comprising a plurality of segments jointed end-to-end to axially extend over the length of pipe, each of the segments being formed by a pair of mating semi-cylindrical sections, the pairs of mating sections having arcuate ends forming longitudinally extending opposed faces mating at a diametral plane, the longitudinal opposed faces being sealed together, the adjacent axial ends of the segments being circumferentially sealed together, ends of the fitting having internal seals arranged to contact and seal onto the exterior of the pipe whereby the space between said internal seals within said fitting is closed.

Classes IPC  ?

• F16L 55/172 - Dispositifs pour aveugler les fuites dans les tuyaux ou manches à partir de l'extérieur du tuyau au moyen de bagues, de bandes ou de manchons pressés contre la surface extérieure du tuyau ou de la manche la bague, la bande ou le manchon étant serrés par une broche filetée placée tangentiellement et par un écrou
• F16L 21/06 - Raccords avec manchon ou douille avec manchon ou segment fractionné bridé autour des extrémités du tuyau
• F16L 9/22 - Tuyaux composés d'une pluralité de segments

Abrégé

A pipe repair fitting comprising a mating pair of generally semi-circular segments, each formed by an arcuate wall having arcuate ends, the segment walls carrying compressible seals for sealing two pairs of mating arcuate ends of the segments and sealing on the outer periphery of the pipe, at least one threaded hole in each arcuate wall end, a common bolt threaded into each of the threaded holes of each pair of mating arcuate ends and serving to sustain hoop forces in the fitting imposed by fluid leaking out of the pipe and contained by said seals.

Classes IPC  ?

• F16L 21/00 - Raccords avec manchon ou douille

Produits et services

Pipeline Equipment-Namely, Fittings Providing Commercial and Industrial Pipeline Construction, Maintenance and Repair Services

Produits et services

COUPLINGS FOR PIPE LINES, ORIGINAL INSTALLATIONS AND REPAIRS

Produits et services

PIPE LINE EQUIPMENT, INCLUDING FITTINGS AND COUPLINGS