Pneumatic measurement plug

Details Pneumatic measurement plug Pneumatic measurement plug

1995-11-08

1997-04-15

Will, Thomas B.

Geometrical instruments

Gauge

Internal

33DIG2, G01B 1310

Patent

active

056198035

ABSTRACT:
The plug comprises an elongate member and at least one measurement ring mounted with radial play on the elongate member and comprising at least one pair of diametrically opposite measurement nozzles fed with gas under pressure, and also at least three centering nozzles disposed around the periphery of the measurement ring on radii that define equal angles between one another, the centering nozzles being fed with gas under pressure independently from the measurement nozzles.

REFERENCES:
patent: 2801475 (1957-08-01), Meyer, Jr.
patent: 3037373 (1962-06-01), Herzberg
patent: 3154939 (1964-11-01), Dabanian et al.
patent: 3646685 (1972-03-01), Goodenough
patent: 3858327 (1975-01-01), Radev et al.
patent: 4852262 (1989-08-01), Babcock et al.
patent: 4872269 (1989-10-01), Sattmann
Russian Engineering Research, vol. 13, No. 9, 1993 N.Y., USA, pp. 62-64, XP 000458450 M.I. Etingof `errors in measuring hole diameters with an automatically-centered three-contact inside caliper` *p. 63* No Month.

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