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US 5,667,540 AGranted
Method of making an abrasive article
AssigneeMinnesota Mining and Manufacturing Company
InventorsJason A. Chesley, Donald R. Bell, Harold E. Rude, William F. Sheffield, David F. Slama, Alan N. Stephens
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Abstract
A method for making an abrasive article is disclosed, including the steps of providing a substrate having abrasive means on one surface, and providing a plurality of hooking stems on the opposite surface thereof. Several illustrative variations of the inventive method are disclosed.
Claims33
A method of making an abrasive article, comprising the steps of:
- a) providing a substrate having first and second major surfaces, wherein the first major surface includes abrasive means for abrading a surface;
- b) applying a plurality of hooking stems to the second major surface of the substrate, the hooking stems each including a proximate end adjoining the substrate and a distal end remote from the substrate;
- and
- c) deforming the distal end of each hooking stem to thereby provide each stem with a hooking portion to enable each stem to releasably hook an opposed engaging structure.
1 more element
Dependencies are inferred from the claim text.