Device for controlling material

Details Device for controlling material Device for controlling material

2007-05-08

2007-05-08

Stafira, Michael P. (Department: 2877)

Optics: measuring and testing

By monitoring of webs or thread

C358S490000, C358S493000

Reexamination Certificate

active

10499507

ABSTRACT:
The invention relates to a device for controlling material comprising a sensor device and a lighting device, whereby the material which is to be controlled is guided on a transparent drum.

REFERENCES:
patent: 3574263 (1971-04-01), Del Elia
patent: 4233663 (1980-11-01), Sugawara et al.
patent: 4259591 (1981-03-01), Morris et al.
patent: 4407197 (1983-10-01), Jeschke
patent: 5548408 (1996-08-01), Koren
patent: 6081352 (2000-06-01), Poulsen et al.
patent: 6307972 (2001-10-01), Riley et al.
patent: 466 330 (1969-06-01), None
patent: 433 19 65 (1995-03-01), None

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