Hose end fittings

Details Hose end fittings Hose end fittings

1975-08-15

1977-08-02

Arola, Dave W.

Pipe joints or couplings

Nonmetal to metal

Internal member

285156, 285347, 285381, F16L 3300

Patent

active

040392120

ABSTRACT:
The present invention is concerned with hose end fittings and has particular reference to fitting suitable for use in conjunction with a cross-linked polyethylene hose or pipe. The characteristic feature of the fitting of the present invention is a body incorporating a nipple adapted for insertion in a pipe end and a clamping ring normally retained on the body and adapted for clamping action about said outer surface of said pipe end, the nipple and ring being contoured on the inner surface to effect an improved clamping action. In a preferred embodiment the nipple may incorporate an annular groove incorporating an O-ring to assist sealing between the nipple and the internal surface of the tube or pipe.

REFERENCES:
patent: 371231 (1887-10-01), Turner
patent: 2119645 (1938-06-01), Pearson
patent: 2453997 (1948-11-01), MacWilliam
patent: 3257132 (1966-06-01), Lyons
patent: 3347571 (1967-10-01), New

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