Reusable fitting for tubing

Details Reusable fitting for tubing Reusable fitting for tubing

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 25/00 (2006.01)

Patent

CA 2571280

A fitting for use with corrugated tubing, the fitting comprising: a nut having a passage therethrough for receiving the tubing, the tubing being corrugated tubing having a series of peaks and valleys; a plurality of retainers positioned forward of the nut, the retainers having a sealing surface for placement in a valley of the corrugated tubing; a body having an annular pocket formed circumferentially around the retainers, the body having a body sealing surface, wherein upon sealing, the tubing is compressed between the sealing surface and the body sealing surface; a spring positioned within a cavity in the retainers, the spring driving the retainers into the pocket when the fitting is not sealed.

Cette invention concerne une raccord pour tube ondulé, comprenant: un écrou à trou traversant destiné à recevoir le tube, lequel tube est du type ondulé, c'est-à-dire qu'il présente une série de crêtes et de creux; une pluralité d'arrêtoirs disposés en avant de l'écrou qui présentent une surface jointive venant se loger dans un creux du tube ondulé; un corps présentant une zone de réception annulaire périphérique autour des arrêtoirs et qui possède une surface d'étanchéité telle qu'au moment du serrage, le tube est comprimé entre la surface jointive et la surface d'étanchéité du corps; et un ressort disposé dans une cavité des arrêtoirs qui repousse lesdits arrêtoirs dans la poche lorsque le raccord n'est pas serré.

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