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:
Apr. 03, 2001
Filed:
May. 12, 1999
Applicant:
Inventors:
Hans-Rolf Conrad, Dormagen, DE;
Dirk Cramer, Duisburg, DE;
Assignee:
Voith Sulzer Papiertechnik Patent GmbH, Heidenheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H 1/810 ; B65H 2/304 ;
U.S. Cl.
CPC ...
B65H 1/810 ; B65H 2/304 ;
Abstract
Method and apparatus for monitoring a winding hardness of a winding roll when winding a material web. A series of marks are placed on the material web at a first location as it is wound onto the winding roll. The distance between two successive marks is detected at a second location. The detected distance of two successive marks is used to determine a stretch of the material web.