Pipe screwed connection

Details Pipe screwed connection Pipe screwed connection

1987-05-18

1989-02-07

Callaghan, Thomas F.

Pipe joints or couplings

With means blocking release of holding means

Key or pin

285175, 2853323, 285354, F16L 1900

Patent

active

048026956

ABSTRACT:
The invention relates to a pipe screwed connection having a socket member attachable to one pipe end, a plug-in member at the opposite pipe end which can be partly inserted into the socket member, and a union nut for which the plug-in member has a bearing surface in the form of an annular shoulder and which engages over the plug-in member and is screwed on to the socket member. The characterizing feature of the invention is that the meshing screwthreaded surfaces of the union nut and the socket member are matchingly conical in construction.

REFERENCES:
patent: 904673 (1908-11-01), Bideker
patent: 982537 (1911-01-01), Schuler
patent: 1562675 (1925-11-01), Baker
patent: 1973848 (1934-09-01), Duffy
patent: 2880019 (1959-03-01), Wurtz et al.
patent: 2971782 (1961-02-01), Sparkman et al.
patent: 3357723 (1967-12-01), Dumont et al.
patent: 3822902 (1974-07-01), Mauerer et al.
patent: 3994516 (1976-11-01), Fredd
patent: 4165106 (1979-08-01), Gladden
patent: 4209193 (1980-06-01), Ahlstone
patent: 4324423 (1982-04-01), Pitesky
patent: 4659116 (1987-04-01), Cameron

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