Thread making fitting for unthreaded conduit

Details Thread making fitting for unthreaded conduit Thread making fitting for unthreaded conduit

1976-04-15

1977-10-18

Arola, Dave W.

Pipe joints or couplings

With assembly means or feature

Particular tool-engaging means or with tool

285 40, 285 93, 285355, F16L 3500

Patent

active

040543056

ABSTRACT:
An elongated fitting, which forms a thread as it is screwed onto the end of a conduit, has an internally threaded tubular portion at one end which receives the conduit. A stem portion on the opposite end permits coupling of the fitting to external parts. An intermediate portion is provided for rotating the fitting relative to the conduit. A longitudinal slot axially extends along the wall of the tubular portion to permit visual inspection of the amount of conduit inserted in the fitting and for lowering the tightening torque required for forming the threads on the conduit.

REFERENCES:
patent: 1722783 (1929-07-01), Basseches
patent: 1781199 (1930-11-01), Sixma
patent: 2111627 (1938-03-01), Hinderliter
patent: 2152962 (1939-04-01), Ice
patent: 2580818 (1952-01-01), Mundy et al.
patent: 2932305 (1960-04-01), Kirche
patent: 3463517 (1969-08-01), Courtot et al.

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