Thread gauging system and method

Details Thread gauging system and method Thread gauging system and method

2007-11-27

2007-11-27

Fulton, Christopher W (Department: 2859)

Geometrical instruments

Gauge

Screw thread

Reexamination Certificate

active

11276987

ABSTRACT:
A system and method are provided for gauging multi-start threads on an oilfield tubular connection include a pin member12and a box member42. One or more external starting threads are successively gauged with a single thread ring gauge22, and the same threads are simultaneously gauged with a multi-thread ring gauge32. Each of two or more internal starting threads are successively gauged with a single thread plug gauge52, and the same threads are simultaneously gauged with a multi-thread plug gauge62.

REFERENCES:
patent: 3284913 (1966-11-01), Satava
patent: 4479306 (1984-10-01), Klementich
patent: 4856198 (1989-08-01), Hattan et al.
patent: 5490333 (1996-02-01), Nelson et al.
patent: 3542229 (1985-11-01), None
patent: 417299 (1934-10-01), None
European Search Report for Application No. 07250921.9, Apr. 18, 2007.
Newman Tools Inc. Brochure, date unknown.

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