Patent ID: 9611970
Date: 2017-04-04
CPC Classifications: F16L

Claim:
1. A pipe cap comprising a) a body; b) a close-ended bore defined by the body, the close-ended bore comprising an internal surface and being sized and dimensioned to accept and rigidly retain an end of a pipe section for which the pipe cap is to be used; c) an end connector comprising an axially facing interior surface and a radially facing interior surface, the axially facing interior surface having a groove formed therein, wherein the bore extends out through the end connector; d) a gasket well defined in the internal surface of the bore; e) a gasket disposed within the gasket well for sealing the body to the end of the pipe section, such that fluids are prevented from flowing out the end of the pipe section via the bore in the body; f) a gasket retaining ring disposed between the end connector and the gasket for retaining the gasket within the gasket well, the gasket retaining ring having a shoulder disposed within the groove of the end connector; and g) a gripper washer disposed in the internal surface of the bore between the end connector and the gasket retaining ring; wherein the shoulder of the gasket retaining ring prevents the gripper washer from contacting the radially facing interior surface of the end connector.