Polyolefin pipe connector sleeve

Details Polyolefin pipe connector sleeve Polyolefin pipe connector sleeve

1980-04-28

1982-01-12

Arola, Dave W.

Pipe joints or couplings

Nonmetal to metal

29525, 138109, 285373, 285382, 285423, F16L 3300, F16L 2106

Patent

active

043101844

ABSTRACT:
A connector sleeve for polyolefin pipe ends for connecting butted pipe ends by a coupling. The connector sleeve is metallic and has a pair of internal circumferential ribs mated in external grooves of the pipe end which is press-fitted within the sleeve in sealing relation. The connector sleeve has a pair of external grooves registering with the ribs formed by a pressing or rolling operation. Butted pipe ends with their fitted connector sleeves are connected by a coupling engaging the connector sleeves. The connector sleeve and pipe end have registering bevelled ends and in the fitting operation the sleeve and pipe end are axially aligned and forcefully engaged whereby the bevelled end of the connector sleeve causes the pipe end to be internally deflected and compressed in mating engagement with said connector sleeve.

REFERENCES:
patent: 1579474 (1926-04-01), Dempsey et al.
patent: 2416964 (1947-03-01), Stull
patent: 3753575 (1973-08-01), Tracy
patent: 4039210 (1977-08-01), Wood et al.
patent: 4126338 (1978-11-01), Coel

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