F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
285/31
F16L 33/18 (2006.01) F16L 33/22 (2006.01) F16L 37/084 (2006.01)
Patent
CA 1297922
COUPLING APPARATUS Abstract of the Disclosure A stab-type coupling apparatus adapted to receive an associated pipe end in a body thereof and prevent its withdrawal therefrom. The coupling apparatus includes an elongated hollow stiffener received in a coupling body recess and providing internal support for the associated pipe end. A retaining ring retained between the body and stiffener has a radially inward extending toothed portion that grippingly engages the external surface of the associated pipe end. A seal means is disposed on an axially inner side of a collet retainer to seal along a peripheral portion of the pipe end. The collet retainer includes a toothed internal surface that selectively engages the pipe end during attempted withdrawal from the coupling body. A generally frustoconical member cams the collet retainer into gripping engagement with the pipe end. A gasket is radially and axially compressed at an outer end of the recess and disposed on an opposite side of the collet retainer from the seal means. A nipple is adapted to compress the gasket and prevent ingress of dirt and moisture to the coupling body. The retaining ring toothed surface has an inner diametrical dimension slightly less than a second diametrical dimension defined by the toothed surface of the collet retainer. Attempted withdrawal of the pipe end is thereby initially resisted by the retaining ring and further withdrawal forces are opposed by the collet retainer.
550398
Passerell David P.
Rogge Danny G.
Bkp Gp
Perfection Corporation
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