Joint inspection apparatus

Details Joint inspection apparatus Joint inspection apparatus

1988-06-27

1991-01-29

Rosenberger, Richard A.

Optics: measuring and testing

By monitoring of webs or thread

For flaws or imperfections

250572, 356237, G01N 2189

Patent

active

049882040

ABSTRACT:
A joint inspection apparatus comprises a light irradiating device for irradiating light to a tape joint at which two tape edge portions are joined together, and a light receiving device for receiving the light irradiated by the light irradiating device to the tape joint and passing through the tape joint or reflected by the tape joint. A judgment device is provided for judging the extent of a deviation of the two tape edge portions from each other in the tape width direction at the tape joint on the basis of information on the optical amount of the light received by the light receiving device on both sides of the tape joint.

REFERENCES:
patent: 3718823 (1973-02-01), Niikura et al.
patent: 3833816 (1974-09-01), Emura et al.
patent: 4680806 (1987-07-01), Bolza-Schunemann

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