Patent ID: 6264251
Filing Date: 2001-07-24
Classification: F16L

Abstract:
A coupling segment for use in a segmented flange coupler formed of a plurality of said coupling segments, said coupling segment including:an arcuate body portion having opposite ends, said opposite ends including bolt receiving apertures for the end-to-end connection of successive coupling segments;one of said ends including a male surface of revolution about its bolt receiving aperture and having an axis extending transverse to said body;the other opposite arcuate end including a female surface of revolution about its bolt receiving aperture and transversely to said body; said respective surfaces of revolution being of complementary configuration, and each interfittable with a complementary surface of revolution of another of said coupling segments, the engagement of said complementary surfaces of revolution adapted to move said coupling segments into both circumferential alignment and radial concentricity during the tightening of bolts extending through said bolt receiving apertures.