Patent ID: 7828335
Filing Date: 2010-11-09
Classification: F16L

Abstract:
1. A coupling for attachment to the end portion of a pipe, comprising: a coupling body to closely receive the end portion of the pipe to be coupled therewith, said coupling body having an end with an end face with only a single pipe receiving opening therein into which the end portion of the pipe to be coupled is inserted and having a grooved end portion extending partially around the receiving opening with an internal groove therein and a recessed end portion extending partially around the opening and interrupting the internal groove, the end face of the coupling body being stepped and defined by both the grooved end portion and the recessed end portion; and at least one jaw member configured for movement in the internal groove in the grooved end portion to a position engaging the end portion of the pipe when the pipe is received in the coupling body to secure the end portion of the pipe in the coupling body.