Adaptor for use with electrofusion fittings

Details Adaptor for use with electrofusion fittings Adaptor for use with electrofusion fittings

1993-03-16

1994-01-11

Arola, Dave W.

Pipe joints or couplings

With assembly means or feature

Molded joint facilitator

285 39, 285174, F16L 1302

Patent

active

052774562

ABSTRACT:
An adaptor for use with an electrofusion fitting for enabling a thermoplastic pipe to be coupled to a dissimilar pipe includes a housing sleeve for coupling at one end to the dissimilar pipe with the opposite end being formed on its outer surface with an annular ribbed section covered by a plastic sleeve. An anchoring ring overlies the annular ribbed section of the housing sleeve and is effective to firmly anchor the plastic sleeve to the annular ribbed section of the housing sleeve during electrofusion of the plastic sleeve to one end of an electrofusion fitting, and of the plastic pipe to the opposite end of the electrofusion fitting.

REFERENCES:
patent: 4093280 (1978-06-01), Yashizawa et al.
patent: 4682797 (1967-07-01), Hildner
patent: 4784409 (1988-11-01), Piechowiok
patent: 5150922 (1992-09-01), Nakashiba et al.

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