Invention Grant
- Patent Title: Coated abrasive article with foam backing and method of making
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Application No.: US13984766Application Date: 2012-02-06
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Publication No.: US10675794B2Publication Date: 2020-06-09
- Inventor: Joseph B. Eckel , Steven J. Keipert , Ehrich J. Braunschweig
- Applicant: Joseph B. Eckel , Steven J. Keipert , Ehrich J. Braunschweig
- Applicant Address: US MN St. Paul
- Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee Address: US MN St. Paul
- Agent Aleksander Medved
- International Application: PCT/US2012/023921 WO 20120206
- International Announcement: WO2012/115765 WO 20120830
- Main IPC: B24D11/02
- IPC: B24D11/02 ; B29C44/32 ; B32B37/26 ; B32B38/06 ; B29C44/48 ; B24D11/00 ; B24D18/00 ; B32B38/00 ; B32B37/15 ; B29C44/34 ; B29K75/00
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.
Public/Granted literature
- US20130344784A1 COATED ABRASIVE ARTICLE WITH FOAM BACKING AND METHOD OF MAKING Public/Granted day:2013-12-26
Information query
