F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 13/14 (2006.01) F16L 21/00 (2006.01)
Patent
CA 2246936
The invention relates to a connection of a metal pipe with a metal sleeve by means of cold-pressing deformation. The metal sleeve on its inside shell is provided with a pipe limit stop and the portion of the sleeve to be connected with the pipe end, along its inside shell, exhibits deformations before the pressing process. In one embodiment, the deformations of the inside shell of the metal sleeve are formed as ribs extending around the axis of the sleeve. The ribs on the inside shell of the metal sleeve are spaced at varying distance from each other. In another exemplary embodiment, the deformation of the inside shell of the sleeve has a convex curvature so that a frictionally-engaged connection is created after pressing.
Cette invention concerne le raccordement d'un tuyau métallique à une chemise métallique grâce à leur déformation par pressage à froid. Au niveau de sa coquille interne, la chemise métallique comporte une butée de tuyau, et la section de la chemise qui est reliée à l'extrémité du tuyau, le long de cette coquille interne, présente des déformations avant le processus de pressage. Dans une configuration particulière, ces déformations forment des nervures entourant l'axe de la chemise, nervures espacées l'une de l'autre par une distance variable. Dans une autre configuration présentée en exemple, la déformation de la coquille interne de la chemise est en forme de courbure convexe, ce qui permet d'établir un raccord par frottement après le pressage.
Parker-Hannifin Gmbh
Ridout & Maybee Llp
LandOfFree
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