Method for detecting and sorting glass

Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means

Reexamination Certificate

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Details

C209S522000

Reexamination Certificate

active

08030589

ABSTRACT:
A cost efficient and reliable method for online sorting of special glass which works independent of the color of glass and the shape of the material. The scrap glass stream to be detected is thereby irradiated by UV absorption or transmission values of the scrap glass stream, more specifically of the material-specific UV absorption edges and “UV-cutoff” frequencies, with reference values obtained before from standardized material laboratory inspections. If special glass is being detected, blowing nozzles disposed downstream of a detector unit divert the special glass toward a predetermined location where it is deposited. There can also be a system which includes a radiation source, a detection unit, an evaluation and control unit and a removal apparatus.

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European Search Report + English translation Nov. 15, 2006.
Austrian Search Report + English translation Jan. 4, 2006.

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