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:
Jun. 09, 2020
Filed:
Feb. 06, 2012
Applicants:
Joseph B. Eckel, Shoreview, MN (US);
Steven J. Keipert, Somerset, WI (US);
Ehrich J. Braunschweig, Woodbury, MN (US);
Inventors:
Joseph B. Eckel, Shoreview, MN (US);
Steven J. Keipert, Somerset, WI (US);
Ehrich J. Braunschweig, Woodbury, MN (US);
Assignee:
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24D 11/02 (2006.01); B29C 44/32 (2006.01); B32B 37/26 (2006.01); B32B 38/06 (2006.01); B29C 44/48 (2006.01); B24D 11/00 (2006.01); B24D 18/00 (2006.01); B32B 38/00 (2006.01); B32B 37/15 (2006.01); B29C 44/34 (2006.01); B29K 75/00 (2006.01);
U.S. Cl.
CPC ...
B29C 44/321 (2016.11); B24D 11/001 (2013.01); B24D 11/005 (2013.01); B24D 11/02 (2013.01); B24D 18/0009 (2013.01); B29C 44/32 (2013.01); B29C 44/485 (2013.01); B32B 37/26 (2013.01); B32B 38/06 (2013.01); B29C 44/355 (2013.01); B29K 2075/00 (2013.01); B29K 2995/007 (2013.01); B29K 2995/0063 (2013.01); B29K 2995/0072 (2013.01); B29K 2995/0097 (2013.01); B32B 37/153 (2013.01); B32B 38/0004 (2013.01); B32B 2038/0084 (2013.01); B32B 2307/72 (2013.01); B32B 2309/10 (2013.01); B32B 2309/105 (2013.01);
Abstract
A polyurethane foam backing suitable for making a coated abrasive article is disclosed. The polyurethane foam backing has a textured surface bearing an array of raised features and land areas. The array's geometry is designed such that a 90 degree peel force to remove a production tooling having a contacting surface bearing a plurality of microreplicated mold cavities from the textured surface is accept able.