Patent ID: 6454313
Filing Date: 2002-09-24
Classification: F16L

Abstract:
A connector comprising:a first flange configured to be connected to a first pipe section, said first flange having a first set of threads and a first flange face; a second flange configured to be connected to a second pipe section, said second flange having a second flange face configured to form a seal with said first flange face; a retaining nut having a second set of threads complementary to said first set of threads, wherein said retaining nut is configured to be threaded onto said first flange and to thereby secure said second flange against said first flange; wherein said second flange has a rear surface opposite said second flange face, wherein said rear surface is spherical; wherein said retaining nut has a spherical retaining surface which contacts said rear surface of said second flange; wherein said retaining nut is configured to rotate and swivel with respect to said rear surface of said second flange and thereby enable said retaining nut to be threaded onto said first flange when said first and second flanges are axially misaligned, and wherein said retaining nut comprisesan annular body having a first aperture therethrough, wherein said aperture is configured to allow said second flange to pass therethrough, and a plurality of slips configured to fit within said first aperture to prevent said second flange from passing through said first aperture, wherein said slips form at least a portion of said retaining surface.