Press fitting for a pipe, in particular, plastic pipe or...

F - Mech Eng,Light,Heat,Weapons – 16 – L

Patent

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Details

F16L 33/207 (2006.01)

Patent

CA 2694589

The press fitting for a pipe, in particular plastic pipe or plastic-metal composite pipe, is provided with a fitting body (12) which has a supporting sleeve (14) with a free end (16) and a pressing sleeve (18). The pressing sleeve (18) is held substantially concentrically with respect to the supporting sleeve (14) by means of at least one spacer element (42) arranged at the holding end (35) of said pressing sleeve. In the region of the holding end (35) of the pressing sleeve (18), the fitting body (12) has a locking depression (30) or a locking projection. At the holding end (35), the cylindrical wall (34) of the pressing sleeve (18) has at least one opening (32) through which a locking element (20) extends to the axial fitting of the pressing sleeve (18) to the fitting body (12), wherein the locking element (20) projects into the locking depression (30) of the fitting body (12) and ends in said depression, or the locking element (20) engages around or behind the locking projection of the fitting body (12).

L'invention concerne un raccord à presser pour un tube, notamment pour un tube plastique ou un tuyau composite constitué de plastique et de métal, doté d'un élément de raccord (12) qui présente une douille de soutien (14) avec une extrémité libre (16) et un manchon de compression (18). Le manchon de compression (18) est fixé au moyen d'au moins un élément servant à maintenir un certain écartement (42) disposé au niveau de son extrémité de retenue (35) de manière concentrique, essentiellement par rapport à la douille de soutien (14). L'élément de raccord (12) présente une cavité de verrouillage (30) ou une saillie de verrouillage au niveau de l'extrémité de retenue (35) du manchon de compression (18). La paroi cylindrique (34) du manchon de compression (18) présente à l'extrémité de retenue (35) au moins un orifice (32) par lequel passe un élément de verrouillage (20) pour la fixation axiale du manchon de compression (18) à l'élément de raccord (12). L'élément de verrouillage (20) est enfoncé dans la cavité de verrouillage (30) de l'élément de raccord (12) et s'y termine, ou l'élément de verrouillage (20) entoure ou prend par l'arrière la saillie de verrouillage de l'élément de raccord (12).

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