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:
Dec. 31, 2019
Filed:
Dec. 22, 2014
3m Innovative Properties Company, St. Paul, MN (US);
Scott R. Culler, Burnsville, MN (US);
John T. Boden, White Bear Lake, MN (US);
Steven J. Keipert, Houlton, WI (US);
Negus B. Adefris, Woodbury, MN (US);
Karan Jindal, Woodbury, MN (US);
Aaron K. Nienaber, Maplewood, MN (US);
David L. Morrison, St. Paul, MN (US);
Peter T. Benson, North St. Paul, MN (US);
Pratik Pranay, Minneapolis, MN (US);
Bradford B. Wright, Woodbury, MN (US);
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Abstract
A coated abrasive article maker apparatus including a first web path guiding a production tool such that it wraps a portion of the outer circumference of an abrasive particle transfer roll; a second web path for a resin coated backing guiding the resin coated backing such that it wraps a portion of the outer circumference of the abrasive particle transfer roll with the resin layer positioned facing the dispensing surface of the production tool this is positioned between the resin coated backing and the outer circumference of the abrasive particle transfer roll; and wherein abrasive particles are transferred from cavities in the production tool to the resin coated backing as the resin coated backing and the production tool traverse around the abrasive particle transfer roll.