F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 19/02 (2006.01) F16L 19/028 (2006.01)
Patent
CA 2690214
A connecting arrangement connects a cylindrical pipe (10) or a pipe section to a connecting body (20). Said connecting body (20) has a first conical bore (23), extending away from a face (24), a first cylindrical bore (21) for receiving the pipe (10), which bore is contiguous to the conical bore (23), and a second cylindrical bore (22) that is contiguous to the first cylindrical bore (21) and the diameter of which is reduced. A union nut (30) has a bore (31) for the pipe (10) or the pipe section. Said union bore has a threaded section (38) by means of which the union nut (30) can be screwed onto a mating threaded section (28) of the connecting body (20), and a conical bore (33) that tapers in a direction opposite to that of the conical bore (23) of the connecting body (20). Adjacent to the end of the pipe (10) or the pipe section a zone (11) of the pipe (10) bulges outward all around and has a tensioning face (12) that interacts with the conical bore (33) of the union nut (30) and is complementary thereto. An intermediate ring (50) has a bore (51) for the pipe (10) or the pipe section. Said intermediate ring (50) is interposed between the zone (11) of the pipe (10) that bulges outward all around and the connecting body (20). It is supported on the face (24) of the connecting body (20).
L'invention concerne un système de raccordement servant à raccorder un tuyau (10) ou segment de tuyau cylindrique à un corps de raccordement (20). Le corps de raccordement (20) présente un premier alésage conique (23) partant d'une surface frontale (24), un premier alésage cylindrique (21) adjacent à l'alésage conique (23) et recevant le tuyau (10), ainsi qu'un deuxième alésage cylindrique (22) de diamètre inférieur, adjacent au premier alésage cylindrique (21). Un écrou de raccord (30) présente un alésage (31) pour le tuyau (10) ou le segment de tuyau. Il présente en outre un filetage (38) grâce auquel il peut être vissé sur un filetage complémentaire (28) du corps de raccordement (20), ainsi qu'un alésage conique (33) dont la section décroît inversement à celle de l'alésage conique (23) du corps de raccordement (20). En outre, au voisinage de l'extrémité du tuyau (10) ou du segment de tuyau, une zone (11) du tuyau (10) est renflée vers l'extérieur sur son pourtour et présente une surface de serrage (12) réalisée de manière complémentaire à l'alésage conique (33) de l'écrou de raccord (30) et coopérant avec lui.
Fetherstonhaugh & Co.
Weidmann Ltd.
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