F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 21/02 (2006.01) F16L 47/08 (2006.01)
Patent
CA 2726090
A coupler assembly (10) and method of manufacture (10) for use with pipe comprising a unitary annular body (20) forming first and second cylindrical openings for surrounding a pipe or piping sections to facilitate forming a fluid-tight seal therein. The unitary annular body (20) comprises a medial portion (64) formed from a first material having a first durometer and first and second lateral portions (56, 58) integrally connected to opposite ends of the medial portion (64). The first and second lateral portions (56, 58) are made from a second material having a second durometer relatively higher than the first durometer of the first material. The coupler assembly (10) further comprises at least one clamping assembly (26) surrounding the unitary annular body member (20) adapted for compressing the coupler assembly (10) into a fluid- tight seal.
Linvention concerne un ensemble coupleur (10) et un procédé de fabrication (10) destiné à être utilisé avec un tuyau comprenant un corps annulaire monobloc (20) formant des première et seconde ouvertures cylindriques permettant dentourer un tuyau ou des sections de tuyau pour faciliter la formation dun joint étanche à lintérieur. Le corps annulaire monobloc (20) comprend une partie médiane (64) formée dun premier matériau comprenant un premier duromètre et des première et secondes parties latérales (56, 58) reliées dune seule pièce à des extrémités opposées de la partie médiane (64). Les première et seconde parties latérales (56, 58) sont composées dun second matériau comprenant un second duromètre relativement supérieur au premier duromètre du premier matériau. Lensemble coupleur (10) comprend en outre au moins un ensemble de fixation (26) entourant lélément de corps annulaire monobloc (20) adapté à la compression de l'ensemble coupleur (10) en un joint étanche.
Knapp Mark
Ridout & Maybee Llp
Springseal Inc.
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