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:
Nov. 21, 2006
Filed:
Mar. 05, 2003
Ko Shiota, Kawasaki, JP;
Joel A. Getschel, Osceola, WI (US);
Mark A. Strobel, Maplewood, MN (US);
Michael J. Ulsh, Woodbury, MN (US);
Terry R. Ray, Oakdale, MN (US);
Ko Shiota, Kawasaki, JP;
Joel A. Getschel, Osceola, WI (US);
Mark A. Strobel, Maplewood, MN (US);
Michael J. Ulsh, Woodbury, MN (US);
Terry R. Ray, Oakdale, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A polymeric film having a plurality of perforations, which are specially structured and arranged is described. The polymeric film provides a strong, high-tensile strength material that permits hand tearing of the film along a desired tear path, providing a controlled tear propagation line. The polymeric film may also be incorporated into a multi-layer film having cloth-like properties of strength and tear propagation, and is suitable for use various adhesive tape applications. Methods of making the polymeric film are also disclosed.