Patent ID: 8840152
Filing Date: 2014-09-23
Classification: F16L

Abstract:
1. A pipe joint for connecting a first pipe to a second pipe, the pipe joint comprising: a hollow pin member connected to an end of a first pipe; a hollow box member connected to an end of a second pipe, the hollow box member configured so as to at least partially surround the pin member; a first ring positioned adjacent an end of said pin member; and a second ring engaged with the box member and having a distal end extending axially in the direction towards the end of the pin member, wherein the second ring abuts against the first ring along at least a first surface, wherein the first surface is a beveled surface, and additionally a distalmost surface of the second ring abuts against the first ring at a second surface different than the first surface, wherein the second ring extends axially from the first ring in a direction opposite to the end of the pin member, and wherein the first ring abuts against said box member; and wherein the first ring comprises threads on an inner surface which are in mating contact with second threads on an outer surface of the pin member.