Black background inspection apparatus

Details Black background inspection apparatus Black background inspection apparatus

1994-04-18

1995-08-22

McGraw, Vincent P.

Optics: measuring and testing

By inspection with agitation or rotation

Of container contents

356240, G01N 2190

Patent

active

054445400

ABSTRACT:
An inspection apparatus is provided for accurate identification of particulates in parenteral drugs. The inspecting apparatus includes a black inspection panel having an aperture extending therethrough. A light-tight enclosure surrounds the aperture in the panel on the side of the panel opposite the side on which the parenteral drug is inspected. Interior surfaces of the enclosure have black surfaces with finishes to achieve low light reflection. The combination of the aperture and the black enclosure provides enhanced blackness that is not likely to be affected by dust, dirt or surface damages. Hence, greater accuracy and reliability in black background particulate inspection is achieved.

REFERENCES:
patent: 2646715 (1953-07-01), Stout et al.
patent: 3257507 (1966-06-01), Borberg et al.
patent: 3863763 (1975-02-01), Kollar et al.
patent: 4676650 (1987-06-01), Bjorndal et al.
patent: 5261546 (1993-11-01), Van Der Grift

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