Apparatus and method for checking score lines in flat package bl

Details Apparatus and method for checking score lines in flat package bl Apparatus and method for checking score lines in flat package bl

1979-01-22

1980-08-19

Stearns, Richard R.

Geometrical instruments

Area integrators

Electrical

33147R, 33174R, 33DIG1, G01B 502

Patent

active

042176948

ABSTRACT:
The positioning of a score line on a flat package blank can be determined relative to a datum edge by positioning the datum edge at the zero mark of a measurement scale and moving a carriage having a magnification reading unit to a position over the score line, the distance appearing from the position of a carriage reference surface on the measurement scale as well as on a caliper unit mounted on the carriage for exhibiting the measurement of distance the reference surface has passed beyond a major increment of measure on the scale.

REFERENCES:
patent: 3213543 (1965-10-01), Masuda
patent: 3355810 (1967-12-01), Franklin
patent: 3981081 (1976-09-01), Welch
patent: 4106204 (1978-08-01), Schader
Burton, Walter, "Precision Measuring with a Microscope", Popular Mechanics, Nov., 1943, pp. 125-127.

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