COMBINATION SEAL AND RESTRAING SYSTEM FOR PLASTIC PIPE
摘要
A method and apparatus for restraining pipe against both internal and external forces at a pipe or fitting connection and to join and seal at least two pipes to form a pipeline is shown featuring an improved restraining and sealing mechanism. The restraining and sealing mechanism includes a circumferential housing and a companion sealing ring which are received within a mating groove provided in the belled end of a female pipe. The cucumferential housing has an interior region which contains a gripping ring insert. The sealing ring and housing are integrally located within a belled pipe end during belling operations.
申请公布号
WO2006062884(A2)
申请公布日期
2006.06.15
申请号
WO2005US43879
申请日期
2005.12.05
申请人
S & B TECHNICAL PRODUCTS, INC.;JONES, JIM;CORBETT, BRADFORD, G., JR.;DARCE, GERARDO;CHINCHILLA, RANDALL