Pipe joints or couplings – With means blocking release of holding means – Set screw
Patent
1975-11-03
1977-08-23
Callaghan, Thomas F.
Pipe joints or couplings
With means blocking release of holding means
Set screw
285137A, 285377, F16L 3900
Patent
active
040435750
ABSTRACT:
A connector for use between two riser pipes has a pin fitting at the end of one pipe. An end sleeve on the pin fitting has a cylindrical exterior surface and a first peripheral flange with upper and lower normal surfaces. A box fitting is at the end of the other pipe and has an end box with a cylindrical inner surface engaging the cylindrical exterior surface of the pin fitting. A second peripheral flange on the box fitting has upper and lower normal surfaces and is adapted to abut the first flange. An annular nut is rotatable about the flanges and has interior threads engageable with exterior threads on a collar rotatable around the box fitting and abutting the second flange. An inturned, interrupted nut flange on the nut overlies the first flange, which is also interrupted. The nut flange and the first flange can be relatively rotated to pass each other axially or to prevent such axial movement. The nut and collar can be held in any of several relatively rotated positions by a bolt and slot connection, and the collar is held by a bolt against turning on the box fitting. Both fittings carry support rings for auxiliary pipes.
REFERENCES:
patent: 8096 (1851-05-01), Osgood
patent: 939434 (1909-11-01), McVoy
patent: 1097508 (1914-05-01), Bailey
patent: 1238218 (1917-08-01), Thompson et al.
patent: 1734996 (1929-11-01), Butler
patent: 1778739 (1930-10-01), Wheaton
patent: 2550027 (1951-04-01), Thompson
patent: 2889158 (1959-06-01), Hughes-Caley
patent: 3198555 (1965-08-01), Johnson et al.
patent: 3310107 (1967-03-01), Yancey
Callaghan Thomas F.
The Rucker Company
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