Pipe coupling with plastic sheath

Details Pipe coupling with plastic sheath Pipe coupling with plastic sheath

1978-01-23

1979-10-30

Arola, Dave W.

Pipe joints or couplings

Flexible joint, rigid members

Resilient sleeve type

285373, 285383, F16L 2100

Patent

active

041726073

ABSTRACT:
A pipe coupling is disclosed, of the type comprising an annular elastic gasket fitted over the two adjacent pipe ends and tightened down with encircling clamp bands. The coupling includes a plastic band surrounding the elastic gasket, with overlapping ends tapered in thickness. The metal clamp bands encircle the plastic band and are retained in place by ridges forming channels on the outside surface of the plastic band.

REFERENCES:
patent: 1823974 (1931-09-01), Ferguson
patent: 1928316 (1933-09-01), Muto
patent: 2980143 (1961-04-01), Harris
patent: 3233922 (1966-02-01), Evans
patent: 3359017 (1967-12-01), Schaub
patent: 3394952 (1968-07-01), Garrett
patent: 3529854 (1970-09-01), Thomas
patent: 3813116 (1974-05-01), Horsley
patent: 3837683 (1974-09-01), Taylor

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