Tube joint coupling

Claim 1

A pipe joint comprising: a joint main body having a bore extending lengthwise, axially of said body and a joint hole counterbore in one end of said body, there being a radial shoulder at the inner end of said counterbore; a clamp ring and a gasket fitted into said joint hole in the order named, said clamp ring having a cylindrical configuration and is provided with a pair of inwardly bent claws in symmetrically opposed relation with each other, said pair of claws being cut in the longitudinal direction from the cylindrical wall of said clamp ring, said pair of claws having different lengths whereby the forward portions of said claws are axially displaced from one another and face said radial shoulder; and a securing member adapted to hold said clamp ring and said gasket securely in position within said joint hole, whereby a pipe that is only inserted into said joint hole through said clamp ring and said gasket may be securely joined to said joint body by the clamping action of said clamp ring and the selfsEaling action of said gasket, said radial shoulder acting as a stop for the forward portion of said clamp ring.