Insulated self-threading fitting

Details Insulated self-threading fitting Insulated self-threading fitting

1976-04-05

1978-03-21

Callaghan, Thomas F.

Pipe joints or couplings

With assembly means or feature

Guide and support

285 40, 285 55, 285251, 285DIG22, F16L 3322

Patent

active

040799662

ABSTRACT:
A self-threading fitting having external threads at one end and tapered internal threads at the other end is provided with a snap-in tubular lining of insulating material which extends beyond the end of the fitting having the internal threads for insertion into a conduit to which the self-threading fitting is to be secured to thereby provide a guide which will insure axial alignment of the fitting with the conduit while insulating through wiring from the metal fitting.

REFERENCES:
patent: 2147353 (1939-02-01), Scholtes
patent: 2580818 (1952-01-01), Mundy et al.
patent: 3220753 (1965-11-01), Kasidas
patent: 3231156 (1966-01-01), Schultz
patent: 3525542 (1970-08-01), Belart et al.
patent: 3726547 (1973-04-01), Cox, Jr.
patent: 3791680 (1974-02-01), Cleare
patent: 3844588 (1974-10-01), Jocsak

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