Patent attributes
A plug for closing an opening in the sidewall of a pipe, including a base member having a radial flange portion, a tubular portion and an annular elastomeric seal member slideably received on the base member tubular portion and in engagement with the flange portion. A rigid compression member is slideably received on the base member tubular portion and in contact with the elastomeric member and has a frusto-conical circumferential surface. A plurality of rigid segmented slips are received on the compression member and have teeth for biting into the cylindrical sidewall when displaced on the frusto-conical surface. An actuation member is received on the base member tubular portion providing a surface in engagement with the segmented slips. A tightening nut can be tightened to cause the segmented slips to lock the plug in position and to sealably close the pipe cylindrical sidewall.
