Multiple lead threading

Details Multiple lead threading Multiple lead threading

1983-10-27

1986-01-14

Scanlan, Jr., Richard J.

Pipe joints or couplings

Particular interface

Tapered

285355, 285390, F16L 2500

Patent

active

045642257

ABSTRACT:
Mechanism for joining together sections of casing or tubing, whereby the exterior ends of adjacent casing or tubing sections and the opposite interior ends of a coupling device are matingly threaded, the threading thereof having plural leads.

REFERENCES:
patent: 1515617 (1924-11-01), Reynolds et al.
patent: 1904675 (1933-04-01), Boyer

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