Patent ID: 6116285
Filing Date: 2000-09-12
Classification: F16L

Abstract:
A removable threaded plug for an internally thread opening, comprising:a short length cylindrical plug body having a circular recess therein providing a cylindrical sidewall, the plug body having a cylindrical external surface having threads thereon engageable with internal threads of an opening and having a recess in a top surface; andan essentially flat insert positioned in said recess and secured to said plug body providing an operating space within said recess below the insert, the insert having a generally planar upper surface and an external substantially circular peripheral edge and having a central opening therethrough configured to receive a driver, the insert central opening being shaped to provide at least one integral tang portion formed of material removed from the central opening and that is integrally bent to extend downwardly into said operating space which by contact with the insert only said plug body is threadably rotated, the insert being secured at said circular external peripheral edge to said cylindrical plug body.