Apparatus for detecting defects on a bottle mouth with a screw t

Details Apparatus for detecting defects on a bottle mouth with a screw t Apparatus for detecting defects on a bottle mouth with a screw t

1986-07-08

1988-07-19

McGraw, Vincent P.

Optics: measuring and testing

Inspection of flaws or impurities

Having predetermined light transmission regions

250223B, 356240, 358106, G01N 2190

Patent

active

047580844

ABSTRACT:
An apparatus for detecting defects on a bottle mouth has an annular illuminator, a reflecting mirror for forming a planar image of the bottle mouth, a CCD camera for detecting the planar image and an operation unit for operating electric signals produced by the CCD camera to judge existence of the defects on the bottle mouth. Detecting operation of defects can be carried out instantly without rotating the bottle.

REFERENCES:
patent: 4284353 (1981-08-01), Yoshida et al.
patent: 4391373 (1983-07-01), Wiggins
patent: 4435641 (1984-03-01), Hajime
patent: 4606635 (1986-08-01), Miyazawa et al.

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