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. 10, 2001
Filed:
Dec. 31, 1998
Heinz Flamm, Villmergen, CH;
Asea Brown Boveri AG, Baden, CH;
Abstract
A method of controlling the drive of the electric pretensioning unit of rotary printing machines having individually driven rotary printing cylinders and folders is specified, so that, in the event of changes being made to the paper grade or to the production sequence without the machine being stopped, only slight web tension changes occur, and the operating limits with regard to web tension are reliably maintained. This method is equally well suited to rotary printing machines having individually driven printing units or printing bridges and folders and to conventional printing machines that are driven by mechanical shafts via couplings.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile