Tube coupling

Details Tube coupling Tube coupling

1992-07-06

1994-05-03

Reese, Randolph A.

Pipe joints or couplings

With casing, lining or protector

Insulated

2853324, 285342, 285354, F16L 1902

Patent

active

053081226

ABSTRACT:
A tube coupling is disclosed which electrically insulates the tube from the coupling. A metallic nut and body interact with a non-metallic coupling to constrict the non-metallic coupling about the tube end providing multiple seals and seats while avoiding metal-to-metal contact between the tube and either the nut or body. Multiple cooperating cam surfaces are provided on the body and non-metallic coupling to achieve a tube coupling stronger than, yet electrically insulated from, the tube.

REFERENCES:
patent: 771682 (1904-10-01), Sussman
patent: 2189566 (1940-02-01), Kreidel
patent: 2211776 (1940-08-01), Haury
patent: 2333909 (1943-11-01), Williams
patent: 2444622 (1948-07-01), Wolfram
patent: 2473118 (1949-06-01), Wolfram
patent: 2669465 (1954-02-01), Newell
patent: 2757943 (1958-08-01), Henderson
patent: 2950928 (1960-08-01), Bowan
patent: 3219367 (1965-11-01), Franck
patent: 3232648 (1966-02-01), Franck
patent: 3239247 (1966-03-01), Pickert
patent: 3434744 (1969-03-01), Yoke et al.
patent: 3561794 (1971-02-01), Dobbelgere
patent: 4484770 (1984-11-01), Sloane
Military Standarington Handbook MIL-HDBK-700[MR]Nov. 1, 1965 on Plastics pp. 35-41.

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