F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 19/08 (2006.01) F16L 19/06 (2006.01)
Patent
CA 2690280
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). A cutting ring (40) has a first tapered section (42). Said tapered section (42) sits in the conical bore (33) of the union nut (30). The cutting ring (40) has a bore (46) for passing the pipe (10) or the pipe section through and at least one radial peripheral blade (41, 42) that faces the pipe (10) or the pipe section. An intermediate ring has a bore (51) for the pipe (10) or the pipe section. The intermediate ring (50) is interposed between the cutting ring (40) and the connecting body (20). The intermediate ring (50) has a conical bore (43) against which a second tapered section (44) of the cutting ring (40) presses. The cutting ring (40) is slotted parallel to the axis of the pipe (10) (slotted section 47).
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). Le système selon l'invention comprend également une bague coupante (40) présentant un premier cône (42) qui est logé dans l'alésage conique (33) de l'écrou de raccord (30). Cette bague coupante (40) présente un alésage (46) pour le passage du tuyau (10) ou du segment de tuyau, ainsi qu'au moins une lame périphérique radiale (41, 42) qui est orientée vers le tuyau (10) ou le segment de tuyau. Une bague intermédiaire présente un alésage (51) pour le tuyau (10) ou le segment de tuyau et est placée entre la bague coupante (40) et le corps de raccordement (20). La bague intermédiaire (50) présente un alésage conique (43) contre lequel s'appuie un deuxième cône (44) de la bague coupante (40). La bague coupante (40) est fendue (fente 47) parallèlement à l'axe du tuyau (10).
Fetherstonhaugh & Co.
Weidmann Ltd.
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