The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 11, 2000
Filed:
Jul. 25, 1997
Stefan Schlichter, Viersen, DE;
Thomas Kramer, Munchen, DE;
Trutzschler GmbH & Co. KG, Monchengladbach, DE;
Abstract
A fiber processing method includes the steps of removing fiber tufts from a series of fiber bales; pneumatically conveying the fiber tufts in a duct; forming images of the conveyed material as it passes through a first location of the duct; determining the degree of lightness or the color of the fiber tufts by an image processing device; determining the degree of lightness of foreign substances, conveyed with the fiber tufts, by the image processing device; comparing the measuring values obtained by the image processing device with a settable limit value; and initiating a switching operation when the limit value is exceeded for branching off to a waste receiver the fiber tufts from the duct at a second location thereof.