Pipe joints or couplings – With assembly means or feature – Molded joint facilitator
Patent
1981-09-14
1984-04-10
Scanlan, Jr., Richard J.
Pipe joints or couplings
With assembly means or feature
Molded joint facilitator
285 45, 285 47, 285DIG16, F16L 4702, F16L 5500, F16L 5916
Patent
active
044417438
ABSTRACT:
An adhesively joined pipe connection comprises a male pipe part and a female pipe part of fiber reinforced plastics, both being provided with a foam plastic insulating layer. The foam plastic layer extends to the front end of the receiving portion of the female pipe part, a heating resistance foil being fixed to the outer side of said receiving portion by means of an adhesive. A sealing sleeve engages sealingly the outer side of tubular casings of the foam plastic layers upon the female and male pipe parts. Connecting wires connected with heating foil extend through the foam plastic layer.
A female pipe part of fiber reinforced plastics provided with a foam plastic layer is extending to the free end of a receiving portion and a heating resistance foil fixed to the outer side of said receiving portion. Wires connected to the resistance foil extend through the foam plastic layer.
REFERENCES:
patent: 3061503 (1962-10-01), Gould et al.
patent: 3235289 (1966-02-01), Bliss
patent: 3402731 (1968-09-01), Martin
patent: 3663335 (1972-05-01), Sheedy
patent: 3854756 (1974-12-01), Couch
Scanlan, Jr. Richard J.
Wavin B.V.
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