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:
Dec. 11, 2001
Filed:
Oct. 15, 1999
Walter Kaipf, Haunsheim, DE;
Voith Sulzer Papiertechnik Patent GmbH, Heidenheim, DE;
Abstract
A winding machine and method for winding a material web onto a reel-spool in which the material web is transported over a support roll and a winding nip is formed between the support roll and the reel-spool. For changing of reel-spool, the material web is weakened before the support roll in the web travel direction. The material web is then separated at the weakened point. The winding machine includes a rotatable perforating unit, the perforating unit provided with a plurality of one of cutting elements and perforating elements and a counter-holder is arranged on an opposite side of the web from the perforating unit, the perforating unit and the counter-holder are movable relative to one another to weaken the web. The winding method includes providing a rotatable perforating unit adjacent the web, the perforating unit being provided with a plurality of cutting elements providing a counter-holder positioned on an opposite side of the web from the perforating unit and mounting at least one of the perforating unit and the counter-holder so as to be movable relative to another to engage and weaken the web.