Patent ID: 6170884
Filing Date: 2001-01-09
Classification: F16L,Y10S

Abstract:
A coupling system for a segmented pipe coupling for use with plain ended pipe, said coupling segment including:at least two channels, one of said at least two channels provided adjacent each opposite side edge of said coupling segment; andat least one cutter member of high strength steel secured within at least said one of said at least two channels by means for securing said at least one cutter member with at least said one of said at least two channels, said means for securing being applied to said at least one cutter member and to at least said one of said at least two channels;said at least one cutter member being arcuate about a radius and concentric with an inner radius of said coupling segment;said a least one cutter member having a radially innermost edge providing a cutting edge;at least one of said at least one cutter member being of a shape in radial cross-section having four sides, two of said four sides being longer than the remaining two sides, said two of said four sides being substantially parallel and linear.at least one of said at least two channels having a wall contacting a side of said two of said four sides along substantially an entire length of said side.