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:
Aug. 29, 2017
Filed:
Dec. 07, 2012
3m Innovative Properties Company, St. Paul, MN (US);
Ronald P. Swanson, Woodbury, MN (US);
Daniel H. Carlson, Arden Hills, MN (US);
James N. Dobbs, Woodbury, MN (US);
Karl K. Stensvad, Inver Grove Heights, MN (US);
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Abstract
An apparatus () for steering a web (), including a web path having at least one steering roller () and an exit roller (), each having a mount; wherein the steering roller(s) () each have an axis of rotation and wherein the mounts for the steering roller(s) () can pivot those axes with a total of two degrees of freedom. An array () comprising a plurality of sensors () for monitoring the position of the web () is present connected to a controller so as to determine the position and angular orientation of the web (). The controller adjusts the pivot(s) of the mount(s) so as to control the angular orientation and the lateral position of the web () at a particular point along the web path.