Patent ID: 6164705
Filing Date: 2000-12-26
Classification: F01N,F16L,Y10S

Abstract:
A combination of pipes and a gasket for connecting the pipes, comprising:an annular metal gasket having an inner portion, an outer portion situated radially outwardly of the inner portion, and a resilient connecting portion for connecting the inner and outer portions and situated at one side of the gasket to have one of a V-shape and a U-shape in a cross section so that ends of the inner and outer portions at a side opposite to the connecting portion open outwardly,a male pipe having a first engaging section tapering toward an end thereof to engage the inner portion of the gasket, anda female pipe for receiving the male pipe therein to engage the male pipe and including an outer end, an annular groove extending from the outer end at an inner side thereof and having an end, and a second engaging section at one side thereof, said gasket being disposed in the groove so that at least the end of the outer portion engages the end of the groove to prevent movement of the gasket, said second engaging section engaging the outer portion of the gasket while restricting movement of the gasket when the gasket and the pipes are engaged together.