Device for optimally illuminate bottles for bottom inspection

Details Device for optimally illuminate bottles for bottom inspection Device for optimally illuminate bottles for bottom inspection

1993-03-25

1995-07-25

Limanek, Robert P.

Optics: measuring and testing

Inspection of flaws or impurities

Containers or enclosures

250223B, 356418, G01N 2190

Patent

active

054367220

ABSTRACT:
A machine for inspecting the bottom of a glass container having an opening at the top thereof comprising deliverance of a glass container to an inspection station, the inspection station including a two dimensional camera having an imaging surface, viewing the bottom of the glass container through the opening thereof and focusing the viewed bottom on the imaging surface, computer for evaluating the viewed bottom imaged on the imaging surface and for illuminating the bottom of the glass container including a source of light for collimating light from the light source, diffusing the collimated light including two glass sheets each having a ground surface, the sheet being selectively locatable to define at least two spacings between the ground surface.

REFERENCES:
patent: 4428673 (1984-01-01), Yoshida
patent: 4500203 (1985-02-01), Bieringer
patent: 4943713 (1990-07-01), Yoshida
patent: 4959537 (1990-09-01), Kimoto et al.
patent: 4967070 (1990-10-01), Ringlien et al.
patent: 5141110 (1992-08-01), Trischan et al.
patent: 5349435 (1994-09-01), Hall et al.

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