Method and a device for determining the cross-sectional dimensio

Details Method and a device for determining the cross-sectional dimensio Method and a device for determining the cross-sectional dimensio

1977-01-04

1979-09-04

Ruehl, Charles A.

Measuring and testing

Vibration

By mechanical waves

73625, G01N 2900, G01B 1702

Patent

active

RE0300888

ABSTRACT:
When mapping out the internal cross-sectional dimensions of elongated, tubular bodies, correlated values of the external cross-sectional dimensions and wall thicknesses are measured along measuring lines from the outside of the body and the sum of the wall thicknesses measured along each measuring line is subtracted from the external cross-sectional dimension measured along the same or substantially the same measuring line. This avoids the use of measuring means in the interior of the tubular bodies, whereby the measuring can be carried out much faster and without the danger of injuring the internal surface of the bodies.

REFERENCES:
patent: 3165923 (1965-01-01), Lund
patent: 3552190 (1971-01-01), Lefebvre
patent: 3554014 (1971-01-01), Berg et al.

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