Gage for measuring fluted oil field tubular members

Details Gage for measuring fluted oil field tubular members Gage for measuring fluted oil field tubular members

1985-08-23

1987-03-17

Stearns, Richard R.

Geometrical instruments

Area integrators

Electrical

G01B 334

Patent

active

046496513

ABSTRACT:
Disclosed is a gage for measuring the nominal diameter of an elongated tubular member having a plurality of circumferentially spaced apart radially outwardly extending flutes. The gage includes a first gage part having a generally semi-circular segment with a flute engaging surface and a similar second gauge part including a generally semi-circular flute engaging surface. The first and second gage parts are joined together, preferably by a hinge, to form a generally circular ring adapted to fit about the tubular member. Each flute engaging surface includes a plurality of stepped arcuate flute engaging portions that are spaced at radii from the center of the ring corresponding to nominal diameters to be measured.

REFERENCES:
patent: 2925659 (1960-02-01), Lovely
patent: 3046671 (1962-07-01), Moores

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