초록 ▼

In the preferred embodiment, the first wall is substantially thicker than the second wall and the fins exterior to the first wall are thicker than the fins on the second wall. Also, the thicknesses of the first and second walls are preferably tapered so as to define an interior cavity having a draft

In the preferred embodiment, the first wall is substantially thicker than the second wall and the fins exterior to the first wall are thicker than the fins on the second wall. Also, the thicknesses of the first and second walls are preferably tapered so as to define an interior cavity having a draft angle equal to that of the ring.

대표청구항 ▼

[ We claim:] [1.] A coupling member for joining two sections of conduit which each have circumferential end grooves, said coupling member comprising:a ring for fitting into the respective end grooves, said ring having a predetermined draft angle;a gasket for creating a seal between said ring and sai

[ We claim:] [1.] A coupling member for joining two sections of conduit which each have circumferential end grooves, said coupling member comprising:a ring for fitting into the respective end grooves, said ring having a predetermined draft angle;a gasket for creating a seal between said ring and said end grooves, said gasket comprising:a first wall and a second wall, joined at a nose end, each of said walls having an exterior surface, said walls and nose end defining an interior cavity having an open end for receiving the ring, wherein the respective thicknesses of said first wall and said second wall vary from the nose end to the open end, resulting in walls with tapered cross sections, so as to accommodate the draft angle of the ring.