Pipe connection having an area of reduced strength

Details Pipe connection having an area of reduced strength Pipe connection having an area of reduced strength

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 15/00 (2006.01) F16L 13/02 (2006.01)

Patent

CA 2608676

Disclosed is a connection between two pipes (1, 2) in which a final section of one pipe overlaps a final section of the other pipe or one respective joining element (3, 4) is inserted into the facing final sections of the pipes (1, 2). The pipes (1, 2) can be screwed together. The final section of the pipe that is overlapped by the other pipe, or at least one joining element (3, 4) that is inserted into a final section (3, 4), is embodied with an area (18, 19) having a lower rigidity than the adjoining subarea at the end facing the interior of the pipe. Said area (18, 19, 30) having a reduced rigidity is embodied with a least one depression or recess (20, 21, 211, 31) on the inner circumference thereof, whereby one is able to ensure that the pipes (1, 2) that are to be interconnected remain undamaged if the same are tilted or inclined relative to each other, even in case forces act eccentrically upon the pipe connection.

La présente invention concerne un raccord de tubes mis en place entre deux tubes (1,2). Selon l'invention, une section d'extrémité de l'un des tubes est recouverte par une section d'extrémité de l'autre tube, ou un élément de raccord (3,4) est inséré respectivement dans les sections d'extrémité des tubes (1, 2), orientées l'une vers l'autre; les tubes (1, 2) peuvent être vissés ensemble; la section d'extrémité du tube recouvert par l'autre tube ou au moins un élément de raccord (3, 4) inséré dans une section d'extrémité comprend au niveau de son extrémité opposée à l'espace intérieur de tube, une partie (18, 19) ayant une résistance inférieure à celle d'une partie adjacente. Selon l'invention, la partie (18, 19, 30) de résistance inférieure comporte au niveau de sa périphérie intérieure, au moins une cavité ou un évidement (20, 21, 21', 31), ce qui permet de garantir, même dans le cas de forces agissant éventuellement de façon excentrée sur le connecteur de tubes, que les tubes (1, 2) à relier conservent leur intégrité lors d'un basculement ou d'une inclinaison mutuel(le).

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