Heat shrinkable sleeve for coupling pipe sections

Details Heat shrinkable sleeve for coupling pipe sections Heat shrinkable sleeve for coupling pipe sections

1977-12-30

1979-02-27

Callaghan, Thomas F.

Pipe joints or couplings

Packed

Sleeve

285381, 285DIG4, 285DIG10, F16L 4700

Patent

active

041415760

ABSTRACT:
Pipe sections are coupled end to end by shrinking a heat shrinkable sleeve in frictional engagement with the end portions of the pipe sections. In a preferred application of the invention, the pipe sections are corrugated and the sleeve conforms to the corrugated surfaces thereof providing a sound mechanical interlock.

REFERENCES:
patent: 3177015 (1965-04-01), Brown
patent: 3315986 (1967-04-01), Quick
patent: 3320355 (1967-05-01), Booker
patent: 3453006 (1969-07-01), Levake
patent: 3544672 (1970-12-01), Goda et al.
patent: 3558164 (1971-01-01), Havell
patent: 3567259 (1971-03-01), Benson et al.
patent: 3588150 (1971-06-01), Wold
patent: 3633947 (1972-01-01), Nelson

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