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. 21, 2013
Filed:
May. 11, 2010
James P. Burke, St. Paul, MN (US);
Alan B. Campbell, Santa Rosa, CA (US);
Dale L. Ehnes, Cotati, CA (US);
Daniel S. Wertz, Sebastopol, CA (US);
James P. Burke, St. Paul, MN (US);
Alan B. Campbell, Santa Rosa, CA (US);
Dale L. Ehnes, Cotati, CA (US);
Daniel S. Wertz, Sebastopol, CA (US);
3M Innovative Properties Company, Saint Paul, MN (US);
Abstract
Methods of fly-cutting a workpiece are disclosed, and in methods in which the position of a fly-cutting head or its associated cutting element is known as a function of time. Also disclosed are methods of forming features, such as grooves or groove segments, in a workpiece such as a cylindrical roll. The features may be provided according to one or more disclosed patterns. Articles made using tools machined in the manner described are also provided, such as polymeric film or sheeting that exhibit certain beneficial properties.