Pipe joints or couplings – Elbow
Patent
1980-02-28
1983-01-18
Arola, Dave W.
Pipe joints or couplings
Elbow
285305, 285423, 285DIG4, F16L 5500
Patent
active
043689043
ABSTRACT:
The specification describes a connector fitting for flexible corrugated tubing having parallel, coaxial corrugations; the connector comprising a bushing with a housing for accommodating in use the end of a length of corrugated tubing which housing is provided with at least one opening for receiving a locking element which is generally C-shaped in form and has resilient legs, the inner surface of the locking element is provided with a plurality of ribs the thickness of which corresponds approximately to the spacing of adjacent corrugations of the tubing and the opening in the housing is bounded by a pair of bridge pieces separation of which is substantially the same as the distance between the outermost surfaces of the legs of the locking element. A seal may be provided which in use lies between the outer surface of the corrugated tubing and the inner surface of the housing, the seal having a toroidal end part lying between the end of the corrugated tubing and a stop formed in the housing.
REFERENCES:
patent: 1881980 (1932-10-01), Thomas
patent: 2127284 (1938-08-01), Board
patent: 2615740 (1952-10-01), Nathan
patent: 3239254 (1966-03-01), Campbell
patent: 3560027 (1971-02-01), Graham
patent: 3711633 (1973-01-01), Ghirardi
patent: 3934902 (1976-01-01), McNamee
patent: 4059295 (1977-11-01), Helm
patent: 4248459 (1981-02-01), Pate
Arola Dave W.
PMA Elektro AG
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