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. 04, 2001
Filed:
Oct. 21, 1999
Roland Möller, Herbrechtingen, DE;
Werner Leitenberger, Schlier, DE;
Jörg Maurer, Steinheim, DE;
Voith Sulzer Papiertechnik Patent GmbH, Heidenheim, DE;
Abstract
Winding machine and process for winding a material web, in particular a paper or cardboard web, onto a reel. The material web is guided by a carrying drum that can be supplied with suction, and a nip is formed between the carrying drum and the reel. The carrying drum, which has a perforated casing and/or is provided with circumferential grooves, is supplied with suction by way of at least one external suction box. The suction box is disposed with at least one suction opening opposite the circumference region of the carrying drum that is not wrapped by the material web. The suction box has at least one sealing element that cooperates with the carrying drum in the vicinity of the suction opening.