Method of making an abrasive product
Assignee3M Innovative Properties Company
InventorMichael J. Annen
Life of this patent
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Abstract
The invention provides a method of making an embossed abrasive article comprising providing a sheet-like foam backing having a first surface and an opposite second surface; providing an abrasive coating comprising abrasive particles and binder over said first surface to provide an abrasive article; and applying under pressure a patterned embossing tool having an embossing surface including at least a pattern of raised areas to the abrasive coating of the abrasive article to provide an embossed pattern at least including depressed areas corresponding to the raised areas of the embossing surface in said abrasive coating and said foam backing to provide an embossed abrasive article.
Claims26
A method of making an embossed abrasive article comprising:
- a. providing a sheet foam backing having a first surface and an opposite second surface;
- b. providing an abrasive coating comprising abrasive particles and binder over said first surface to provide an abrasive article;
- and
- c. applying, under pressures, a patterned embossing tool having an embossing surface including a least a pattern of raised areas to the abrasive coating of the abrasive article to provide an embossed pattern at least including depressed areas in said wherein the depressed areas extend into the foam backing, and wherein the depressed areas correspond to the raised areas of said embossing surface.
Dependencies are inferred from the claim text.