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公开(公告)号：EP2747942B1
公开(公告)日：2016-04-27
申请号：EP12825970.2
申请日：2012-08-24
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公开(公告)号：EP2461943A2
公开(公告)日：2012-06-13
申请号：EP10807049.1
申请日：2010-08-03
发明人： FRANCOIS, Emmanuel, C. , ZUYEV, Konstantin, S. , JEEVANANTHAM, Muthu , BONNER, Anne, M. , KLETT, Michael, W. , MATSUMOTO, Dean, S.
CPC分类号： B24D5/066 , B24D5/08 , B32B3/26 , B32B3/263 , B32B5/024 , B32B5/16 , B32B5/22 , B32B5/30 , B32B25/02 , B32B25/10 , B32B27/12 , B32B27/18 , B32B27/20 , B32B27/36 , B32B27/38 , B32B27/40 , B32B2255/02 , B32B2255/20 , B32B2255/26 , B32B2260/025 , B32B2260/046 , B32B2260/048 , B32B2262/02 , B32B2262/0269 , B32B2262/10 , B32B2262/101 , B32B2264/10 , B32B2307/308 , Y10T428/24488 , Y10T428/249953 , Y10T428/249975 , Y10T442/2139
摘要： An abrasive tool having a body including an abrasive portion having abrasive grains contained within a matrix material and porosity characterized by a bimodal distribution of pores including large pores having an average large pore size (Pl) and small pores having an average small pore size (Ps), wherein Pl>Ps. The body of the abrasive tool further includes a first reinforcing member contained within the abrasive portion, and a percent thermal expansion over a temperature range for 25° C. to 450° C. of not greater than about 0.7%.
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公开(公告)号：EP2384260B1
公开(公告)日：2018-07-04
申请号：EP09837040.6
申请日：2009-12-23
CPC分类号： B24D5/14 , B24D5/123 , B24D18/0009
摘要： Bonded abrasive tools, e.g., grinding wheels, can be reinforced using, for instance, one or more fiberglass web(s) having a surface of glass per unit of at least 0.2. Alternatively or in addition, the fiberglass web has a thickness of 2 mm or less. The web can be designed to provide improved adhesion between the fiberglass reinforcement and the mixture employed to form the bonded abrasive tool. In some examples, the middle reinforcement at the neutral zone of the wheel can be eliminated or minimized.
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公开(公告)号：EP2384260A2
公开(公告)日：2011-11-09
申请号：EP09837040.6
申请日：2009-12-23
CPC分类号： B24D5/14 , B24D5/123 , B24D18/0009
摘要： Bonded abrasive tools, e.g., grinding wheels, can be reinforced using, for instance, one or more fiberglass web(s) having a surface of glass per unit of at least 0.2. Alternatively or in addition, the fiberglass web has a thickness of 2 mm or less. The web can be designed to provide improved adhesion between the fiberglass reinforcement and the mixture employed to form the bonded abrasive tool. In some examples, the middle reinforcement at the neutral zone of the wheel can be eliminated or minimized.
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公开(公告)号：EP2461943B1
公开(公告)日：2018-10-03
申请号：EP10807049.1
申请日：2010-08-03
发明人： FRANCOIS, Emmanuel, C. , ZUYEV, Konstantin, S. , JEEVANANTHAM, Muthu , BONNER, Anne, M. , KLETT, Michael, W. , MATSUMOTO, Dean, S.
CPC分类号： B24D5/066 , B24D5/08 , B32B3/26 , B32B3/263 , B32B5/024 , B32B5/16 , B32B5/22 , B32B5/30 , B32B25/02 , B32B25/10 , B32B27/12 , B32B27/18 , B32B27/20 , B32B27/36 , B32B27/38 , B32B27/40 , B32B2255/02 , B32B2255/20 , B32B2255/26 , B32B2260/025 , B32B2260/046 , B32B2260/048 , B32B2262/02 , B32B2262/0269 , B32B2262/10 , B32B2262/101 , B32B2264/10 , B32B2307/308 , Y10T428/24488 , Y10T428/249953 , Y10T428/249975 , Y10T442/2139
摘要： An abrasive tool having a body including an abrasive portion having abrasive grains contained within a matrix material and porosity characterized by a bimodal distribution of pores including large pores having an average large pore size (Pl) and small pores having an average small pore size (Ps), wherein Pl>Ps. The body of the abrasive tool further includes a first reinforcing member contained within the abrasive portion, and a percent thermal expansion over a temperature range for 25° C. to 450° C. of not greater than about 0.7%.
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公开(公告)号：EP2747942A1
公开(公告)日：2014-07-02
申请号：EP12825970.2
申请日：2012-08-24
摘要： An abrasive article includes an organic bond material, an abrasive material dispersed in the organic bond material, mineral wool microfibers uniformly dispersed in the organic bond material, the mineral wool microfibers being individual filaments, one or more reinforcement and/or chopped strand fibers dispersed in the organic bond material and one or more active fillers including, for example, a manganese compound. The abrasive article can be used in the abrasive processing of a workpiece.
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公开(公告)号：EP2461944A2
公开(公告)日：2012-06-13
申请号：EP10807051.7
申请日：2010-08-03
发明人： FRANCOIS, Emmanuel, C. , ZUYEV, Konstantin, S. , JEEVANANTHAM, Muthu , BONNER, Anne, M. , KLETT, Michael, W. , MATSUMOTO, Dean, S.
摘要： An abrasive tool has a body including an abrasive portion having abrasive grains contained within a matrix material, and a first reinforcing member contained within the abrasive portion, wherein the body comprises a porosity variation difference through at least half of a thickness of the body of not greater than 250% from a mean porosity of the body.
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