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:
May. 04, 2004
Filed:
Sep. 19, 2002
Daniel Burri, Konolfingen, CH;
Hans Moser, Utzigen, CH;
Maschinenfabrik Wifag, Bern, CH;
Abstract
A roll changer for a web-treating or -processing machine is set up for winding off a working web (A) to be treated or processed from a working roll (A) and for connecting a reserve web (V) from a reserve roll (R ) to the working web (A). The roll changer includes a first mount ( ) for the working roll (R ) and a second mount ( ) for the reserve roll (R ). A connecting device ( ) connects the reserve web (V) to the working web (A). A holding device ( ) is arranged downstream of the connecting device ( ) along the web for fixing the working web (A). A pulling device ( ), is arranged in a path of the working web (A) between the connecting device ( ) and the holding device ( ) and is set up to pull the working web (A) from the working roll (R ) during the stoppage of the working roll (R ).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile