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:
Jan. 16, 2001
Filed:
Dec. 22, 1999
Applicant:
Inventors:
Herbert Henze, Mönchengladbach, DE;
Olav Birlem, Aachen, DE;
Assignee:
W. Schlafhorst AG & Co., , DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 2/100 ;
U.S. Cl.
CPC ...
G01N 2/100 ;
Abstract
An apparatus detects foreign substances in strand-like textile material, such as slivers or yarn, using a white-light LED. The color detection is effected over more than two color support points whereby the detection of foreign substances in the textile material is improved. The apparatus is preferably operated in combination with a yarn cleaner in spinning or bobbin winding machines.