Thermally assembled conduitry

Pipe joints or couplings – With assembly means or feature – Molded joint facilitator

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Details

285 93, 24270, 24282, F16L 4702

Patent

active

049154176

ABSTRACT:
A joinder of thermoplastic pipes. Current is passed through a coil disposed between the pipes while a clamp is applied to the joinder. The clamp exerts a prevailing force. The coil is rotatable to facilitate alignment of its leads. The current from a power supply is preferably applied for the same time period for all joinder sizes, the current being adjusted to provide correct heat for various sizes.

REFERENCES:
patent: 2155705 (1939-04-01), Gottwald
patent: 2460667 (1949-02-01), Wurzburger
patent: 3237267 (1966-03-01), Angus
patent: 3475793 (1969-11-01), Oetiker
patent: 4480359 (1984-11-01), Koster
patent: 4486650 (1984-12-01), Bridgstock et al.
patent: 4508368 (1985-04-01), Blumenkranz
patent: 4602148 (1986-07-01), Ramsey
patent: 4684417 (1987-08-01), Grandclement
patent: 4718698 (1988-01-01), Hill
patent: 4770442 (1988-09-01), Sichler

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