One-piece flexible tube connector and method of making the same

Details One-piece flexible tube connector and method of making the same One-piece flexible tube connector and method of making the same

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 31/00 (2006.01)

Patent

CA 2655418

A method of manufacturing a one-piece flexible tube connector includes obtaining a tube blank having an initial length, an initial outer diameter, and an initial wall thickness. The tube blank is secured in a fixture and fed longitudinally into a forming tool. During the forming process, one of the tube blank and the forming tool is spun increasing an initial wall thickness of a portion of the tube blank to a second wall thickness, while the initial outer diameter of the tube blank is controlled. The thickened portion of the tube blank extends along a second length of the tube blank that is less than the initial length. After the spinning process, an attachment feature, such as a barbed feature, is formed or machined into the thickened portion of the tube blank to produce the one-piece flexible tube connector.

L'invention porte sur un procédé de fabrication d'un raccord de tube souple en une seule pièce, qui comprend l'obtention d'une ébauche de tube ayant une longueur initiale, un diamètre externe initial et une épaisseur de paroi initiale. L'ébauche de tube est fixée dans un élément de fixation et amené à avancer longitudinalement dans un outil de formage. Lors du procédé de formage, l'un de l'ébauche de tube et de l'outil de formage est filé, augmentant une épaisseur de paroi initiale d'une partie de l'ébauche de tube à une seconde épaisseur de paroi, tandis que le diamètre externe initial de l'ébauche de tube est commandé. La partie épaissie de l'ébauche de tube s'étend le long d'une seconde longueur de l'ébauche de tube qui est inférieure à la longueur initiale. Après le procédé de filage, un élément fixation, tel qu'un ardillon, est formé ou usiné dans la partie épaissie de l'ébauche de tube afin d'introduire le raccord de tube souple en une seule pièce.

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