Patent ID: 8430432
Filing Date: 2013-04-30
Classification: F16L

Abstract:
1. An anchoring arrangement for a pipe coupling for connecting together two pipes, said anchoring arrangement comprising: a tubular casing; a frusto-conical gripping ring located in said casing; and tensioning means for tightening said casing about said frusto-conical gripping ring, said frusto-conical gripping ring comprising an outer edge, an inner edge and inwardly projecting gripping teeth on said inner edge, said frusto-conical gripping ring being formed of a plurality of arcuate segments that overlap to form a complete ring, wherein the plurality of arcuate segments are configured to be able to slide over each other; wherein said gripping ring comprises two segments; wherein said two segments comprise a major segment that subtends an arc of greater than 180° at said center axis, and a minor segment that subtends an arc of less than 180° at said center axis; and wherein said tubular casing is formed with a longitudinal gap and wherein said tensioning means is arranged to reduce the longitudinal gap when tightened, said minor segment being located adjacent said longitudinal gap and said major segment being located remote from said longitudinal gap, said major and minor segments overlapping one another on either side of said gap.