A sealing ring for the coupling or jointing of equal pipe plugs one on the other. (Machine-translation by Google Translate, not legally binding)

摘要

A sealing ring for the coupling or joining of equal tubes plugged into each other, whose ring, made of elastomeric material, is intended to be housed in a recess of the end of the outer tube so that it has a substantially cylindrical inner surface, of diameter corresponding to the outside diameter of the tube to be plugged into it, said ring having a front or inner part provided with annular sealing corrugations, characterized in that the rear part of the sealing ring, or part closest to the end of the outer tube, is provided internally with an integral annular flange of cross section in the shape of a saw tooth and whose diameter at the apex is slightly smaller than the outer diameter of the pipe to be plugged, in such a way that when introducing it inside the outer pipe, said flange cleans the surface thereof. Or foreign bodies, preventing them from reaching the area of undulations or dots and tightness. (Machine-translation by Google Translate, not legally binding)