Tube curvature measuring probe and method

Details Tube curvature measuring probe and method Tube curvature measuring probe and method

1988-07-18

1990-03-27

Raevis, Robert R.

Geometrical instruments

Gauge

Internal

33DIG13, G01B 728

Patent

active

049108778

ABSTRACT:
The present invention is directed to a probe and method for measuring the radius of curvature of a bend in a section of tubing. The probe includes a member with a pair of guide means, one located at each end of the member. A strain gauge is operatively connected to the member for detecting bending stress exrted on the member as the probe is drawn through and in engagement with the inner surface of a section of tubing having a bend. The method of the present invention includes steps utilizing a probe, like the aforementioned probe, which can be made to detect bends only in a single plane when having a fixed orientation relative the section of tubing to determine the maximum radius of curvature of the bend.

REFERENCES:
patent: 3789511 (1974-02-01), Groom et al.
patent: 3882606 (1975-05-01), Kaenel et al.
patent: 4301677 (1981-11-01), Fisher
patent: 4651436 (1987-03-01), Gaal
patent: 4715128 (1987-12-01), Cummings et al.

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