Electrically insulating pipe coupling

Details Electrically insulating pipe coupling Electrically insulating pipe coupling

1974-07-10

1976-11-23

Schroeder, Werner H.

Pipe joints or couplings

With casing, lining or protector

Insulated

285373, 285397, F16L 1112

Patent

active

039933318

ABSTRACT:
Two sockets of electrically conducting material are provided, each of which has a free end face spaced from the other socket. A tubular coupling member is provided, which consists of plastics material in which reinforcements are embedded. Said coupling member is tightly fitted at each of its ends in one of said sockets and is surrounded by said free end face thereof and provided at each of its ends with an annular bead disposed in the respective socket. Said coupling member is formed with at least one interface which extends throughout the length of the coupling member and is defined by two abutting surfaces. A layer of insulating material surrounds said coupling member between said free end faces.

REFERENCES:
patent: 498876 (1893-06-01), Bells
patent: 1214985 (1917-02-01), Barber
patent: 1329121 (1920-01-01), Hachman
patent: 2903279 (1959-09-01), Bergstedt et al.
patent: 3156489 (1964-11-01), Deringer
patent: 3185501 (1965-05-01), Bowan et al.
patent: 3279503 (1966-10-01), Carbone et al.
patent: 3687491 (1972-08-01), Marshall
patent: 3711124 (1973-01-01), Gerholt et al.
patent: 3829340 (1974-08-01), Dembiak et al.

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