ES239632U - Pipe joint (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Pipe joint, pressure fitting, including a first tube (1) of synthetic resin equipped with a widened female receiving end (3) with a first circular groove (11) and a second circular groove (9) having side walls perpendicular to the axis of the tube at its inner periphery, the first groove being closer to the end of the tube than the second groove, a second tube (2) of synthetic resin provided with a male end (6) of introduction with a conical outer edge ( 5) and a third circular groove (7) at its outer periphery, the third groove having the side wall closest to the outer edge perpendicular to the axis of the tube and the opposite side wall (8) conical, a packing ring (10) disposed in the first groove and a locking ring (4) disposed in an annular space defined by the second and third grooves when the first and second pipes are assembled one in the other, the locking ring being a continuous or continuous ring or of relatively rigid synthetic resin and the normal or unmounted inner diameter of the lower locking ring being the outer diameter of the insertion end of the second tube, but at least 9/10 of its diameter, characterized in that the outer peripheral surface of the the locking ring has a stepped configuration having two different diameters, the smaller diameter (15) being approximately equal to the inner diameter of the receiving end. (Machine-translation by Google Translate, not legally binding)