Patent ID: 7353839
Filing Date: 2008-04-08
Classification: F16K,F16L,Y10T

Abstract:
1. For use in closing a cylindrical passageway through a working member in which the passageway is defined in part by a reduced diameter internal circumferential sealing surface and an internal locking groove, a completion plug, comprising: a plug body having a cylindrical external surface receivable within the cylindrical passageway of the working member and having an annular recess in said plug body thereby forming a reduced thickness circumferential lip on which is provided an external circumferential sealing surface, the circumferential lip having inward radial compressibility and being dimensioned to radially compressibly engage the working member internal circumferential sealing surface and having on said cylindrical external surface a circumferential locking groove; and a locking ring receivable in the working member internal locking groove and simultaneously in said plug body external circumferential locking groove for thereby locking said plug body within the working member.