Socket-less pipe joints

Details Socket-less pipe joints Socket-less pipe joints

1985-05-03

1987-04-21

Arola, Dave W.

Electricity: conductors and insulators

Conduits, cables or conductors

Combined

285373, 285383, H01R 426, H01R 438, F16L 1704

Patent

active

046598707

ABSTRACT:
To provide an electrically conductive path between metal pipes, e.g. soil or drain pipes, connected at butting ends by means of an annular gasket of electrically insulating material which fits around and spans the butting ends and is secured in sealing engagement with the butting ends by clamp, a bridge element of electrically conductive material retained to the gasket extends between and engages with the pipes. The bridge element is conveniently an attachment to the gasket having portions disposed at internal and external circumferential surfaces of the gasket. Teeth or like formations on the bridge element dig into the surfaces of the pipes to enhance the engagement. Electrically conductive engagement may also be made with the clamp at a portion of the bridge element at the exterior of the gasket.

REFERENCES:
patent: 2273398 (1942-02-01), Couty et al.
patent: 2376017 (1945-05-01), Smallpeice
patent: 2753392 (1956-07-01), Hebeler
patent: 2796457 (1957-06-01), Stinger
patent: 2966539 (1960-12-01), Sears et al.
patent: 3116078 (1963-12-01), Scherer
patent: 3217092 (1965-11-01), Sakurada
patent: 3453006 (1969-07-01), Levake
patent: 3479066 (1969-11-01), Gittleman

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