ABRASIVE PRODUCT, METHOD OF MAKING AND USING THE SAME, AND APPARATUS FOR MAKING THE SAME
Application 68/CHENP/2005 published 2007-03-30, filed 2005-01-25
The invention provides a method and apparatus for making an abrasive product comprising providing a substantially horizontally deployed flexible backing (10) having a first surface (12) bearing an at least partially cured primer coating and an opposite second surface (13); providing a dry flowable particle mixture (24) comprising abrasive particles and particulate curable binder material; depositing a plurality of temporary shaped structures (27) comprised of said particle mixture (24) on the at least partially cured primer coating of the first surface (12) of the backing (10); softening said particulate curable binder material to provide adhesion between adjacent abrasive particles; and curing the softened particulate curable binder material to convert said temporary shaped structures (27) into permanent shaped structures and cure the at least partially cured primer coating on the first surface (12) of the backing (10). The invention also provides an abrasive product made by the method.
Applicant
1)3M INNOVATIVE PROPERTIES COMPANY
:3M Center, Post Office Box 33427, Saint Paul, MN 55133-3427. U.S.A.
Inventor
1)WELYGAN, Dennis G. 2)CHESLEY, Jason A 3)MOREN, Louis S., No of Pages : 47 No of Claims : 10
International Info
Classification: B24D 11/00
Publication Number: WO 04/01119
Application Date: 2003-06-02
Priority Information
10/205,711 U.S.A. 2002-07-26