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公开(公告)号：US08764865B2
公开(公告)日：2014-07-01
申请号：US12627567
申请日：2009-11-30
Applicant: John T. Boden , Dwight D. Erickson , Scott R. Culler , Negus B. Adefris , John D. Haas
Inventor： John T. Boden , Dwight D. Erickson , Scott R. Culler , Negus B. Adefris , John D. Haas
CPC classification number: C09K3/1409 , B24D3/00 , B24D11/00 , B24D18/0009 , Y10T428/24364 , Y10T428/257 , Y10T428/2982
Abstract: Abrasive particles comprising shaped abrasive particles each having a sidewall, each of the shaped abrasive particles comprising alpha alumina and having a first face and a second face separated by a sidewall and having a maximum thickness, T; and the shaped abrasive particles further comprising a plurality of grooves on the second face.
Abstract translation: 研磨颗粒包括各自具有侧壁的成形磨料颗粒，每个成形磨料颗粒包含α氧化铝，并且具有由侧壁分隔并具有最大厚度T的第一面和第二面; 并且所述成形磨料颗粒还包括在所述第二面上的多个凹槽。
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公开(公告)号：US08425278B2
公开(公告)日：2013-04-23
申请号：US12547590
申请日：2009-08-26
Applicant: Scott R Culler , John D. Haas , Chaodi Li
Inventor： Scott R Culler , John D. Haas , Chaodi Li
IPC: B24B1/00
CPC classification number: B24D11/00 , Y10T428/24174 , Y10T428/24521 , Y10T428/24562 , Y10T428/24612
Abstract: A structured abrasive article comprises a backing, and an abrasive layer disposed on and secured to the backing. The abrasive layer comprises shaped abrasive composites, each comprising abrasive particles dispersed in a binder. Each the shaped abrasive composites independently comprises: a base disposed on the backing; a plurality of walls extending away from the base, and a grinding surface not contacting the base. Adjacent walls share a common edge. Each wall independently forms a dihedral angle with the base of less than or equal to 90 degrees. The grinding surface has a plurality of: cusps, and facets that contact a recessed feature. At least a portion of the recessed feature is disposed closer to the base than each of the cusps. Each cusp is formed by an intersection of two of the walls and at least one of the facets. Use of the structured abrasive article to abrade a workpiece is also disclosed.
Abstract translation: 结构化的磨料制品包括背衬和设置在背衬上并固定到背衬上的磨料层。 研磨层包括成型的磨料复合材料，每个磨料复合材料包含分散在粘结剂中的磨料颗粒。 每个成形研磨复合材料独立地包括：设置在背衬上的基座; 远离基座延伸的多个壁，以及不接触基座的研磨表面。 相邻的墙壁共享共同的边缘。 每个壁独立地形成与基部的二面角小于或等于90度。 研磨表面具有多个：尖端和与凹陷特征接触的面。 凹陷特征的至少一部分设置成比每个尖端更靠近基部。 每个尖点由两个壁和至少一个小平面的交点形成。 还公开了使用结构化的磨料制品来研磨工件。
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Patent Agency Ranking
公开(公告)号：US08142891B2
公开(公告)日：2012-03-27
申请号：US12336961
申请日：2008-12-17
Applicant: Scott R. Culler , Dwight D. Erickson , Negus B. Adefris , John T. Boden , John D. Haas
Inventor： Scott R. Culler , Dwight D. Erickson , Negus B. Adefris , John T. Boden , John D. Haas
CPC classification number: B24D11/00 , C09K3/1409 , Y10T428/24364 , Y10T428/2982
Abstract: Abrasive particles comprising dish-shaped abrasive particles each having a sidewall; each of the shaped abrasive particles comprising alpha alumina and having a first face and a second face separated by a thickness, t; and wherein either the first face or the second face is recessed or concave.
Abstract translation: 研磨颗粒包括各自具有侧壁的碟形磨料颗粒; 每个成形磨料颗粒包含α氧化铝，并且具有分开厚度t的第一面和第二面; 并且其中所述第一面或所述第二面都凹入或凹入。
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24.发明授权Shaped, fractured abrasive particle, abrasive article using same and method of making 有权成型，断裂的磨料颗粒，使用其的磨料制品和制造方法公开(公告)号：US08034137B2
公开(公告)日：2011-10-11
申请号：US12336877
申请日：2008-12-17
Applicant: Dwight D. Erickson , Scott R. Culler , Negus B. Adefris , John T. Boden , John D. Haas
Inventor： Dwight D. Erickson , Scott R. Culler , Negus B. Adefris , John T. Boden , John D. Haas
IPC: B24D3/02
CPC classification number: B24D3/00 , B01J2/22 , C09K3/1409 , Y10T428/24364 , Y10T428/24413 , Y10T428/2982
Abstract: Precursor alpha alumina abrasive particles in a mold are subjected to a drying process that cracks or fractures at least a majority of the precursor abrasive particles into at least two pieces thereby producing abrasive shards having a smaller size than the mold cavity from which they were made. The smaller abrasive shards, once formed, could be reassembled like jigsaw puzzle pieces to reproduce the original cavity shape of the mold from which they were made. The cracking or fracturing of the precursor abrasive particles is believed to occur by ensuring that the surface tension of the abrasive dispersion to the walls of the mold is greater than the internal attractive forces of the abrasive dispersion as the abrasive dispersion is dried within the mold cavity.
Abstract translation: 将模具中的前体α氧化铝磨料颗粒进行干燥处理，使至少大部分前体研磨剂颗粒破裂或破裂成至少两个，从而产生具有比其制造的模具腔更小的尺寸的磨料碎片。 一旦形成的较小的磨料碎片可以像拼图拼图一样重新组装，以再现其制造的模具的原始腔体形状。 认为前体研磨剂颗粒的破裂或断裂是通过确保研磨分散体在模具腔内干燥的情况下，研磨分散体对模具壁的表面张力大于磨料分散体的内吸力而发生的 。
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公开(公告)号：US20110053460A1
公开(公告)日：2011-03-03
申请号：US12547590
申请日：2009-08-26
Applicant: Scott R. Culler , John D. Haas , Chaodi Li
Inventor： Scott R. Culler , John D. Haas , Chaodi Li
CPC classification number: B24D11/00 , Y10T428/24174 , Y10T428/24521 , Y10T428/24562 , Y10T428/24612
Abstract: A structured abrasive article comprises a backing, and an abrasive layer disposed on and secured to the backing. The abrasive layer comprises shaped abrasive composites, each comprising abrasive particles dispersed in a binder. Each the shaped abrasive composites independently comprises: a base disposed on the backing; a plurality of walls extending away from the base, and a grinding surface not contacting the base. Adjacent walls share a common edge. Each wall independently forms a dihedral angle with the base of less than or equal to 90 degrees. The grinding surface has a plurality of: cusps, and facets that contact a recessed feature. At least a portion of the recessed feature is disposed closer to the base than each of the cusps. Each cusp is formed by an intersection of two of the walls and at least one of the facets. Use of the structured abrasive article to abrade a workpiece is also disclosed
Abstract translation: 结构化的磨料制品包括背衬和设置在背衬上并固定到背衬上的磨料层。 研磨层包括成型的磨料复合材料，每个磨料复合材料包含分散在粘结剂中的磨料颗粒。 每个成形研磨复合材料独立地包括：设置在背衬上的基座; 远离基座延伸的多个壁，以及不接触基座的研磨表面。 相邻的墙壁共享共同的边缘。 每个壁独立地形成与底部的二面角小于或等于90度。 研磨表面具有多个：尖端和与凹陷特征接触的面。 凹陷特征的至少一部分设置成比每个尖端更靠近基部。 每个尖点由两个壁和至少一个小平面的交点形成。 还公开了使用结构化的磨料制品来研磨工件
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公开(公告)号：US20100151201A1
公开(公告)日：2010-06-17
申请号：US12337112
申请日：2008-12-17
Applicant: Dwight D. Erickson , Scott R. Culler , Negus B. Adefris , John T. Boden , John D. Haas
Inventor： Dwight D. Erickson , Scott R. Culler , Negus B. Adefris , John T. Boden , John D. Haas
CPC classification number: C09K3/1418 , C09K3/1409 , Y10T428/24364 , Y10T428/24413 , Y10T428/257 , Y10T428/2982
Abstract: An abrasive comprising shaped abrasive particles each with an opening. The shaped abrasive particles are formed from alpha alumina and have a first face and a second face separated by a thickness t. The opening in each of the shaped abrasive particles can improve grinding performance by reducing the size of a resulting wear flat, can provide a reservoir for grinding aid, and can improve adhesion to a backing in a coated abrasive article.
Abstract translation: 一种研磨剂，其包含各自具有开口的成形磨料颗粒。 成形的磨料颗粒由α氧化铝形成，并具有分开厚度t的第一面和第二面。 每个成形磨料颗粒中的开口可以通过减小所得磨损平面的尺寸来提高研磨性能，可以提供用于研磨助剂的储存器，并且可以提高对涂覆的磨料制品中的背衬的粘合性。
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公开(公告)号：US20100151195A1
公开(公告)日：2010-06-17
申请号：US12336961
申请日：2008-12-17
Applicant: Scott R. Culler , Dwight D. Erickson , Negus B. Adefris , John T. Boden , John D. Haas
Inventor： Scott R. Culler , Dwight D. Erickson , Negus B. Adefris , John T. Boden , John D. Haas
CPC classification number: B24D11/00 , C09K3/1409 , Y10T428/24364 , Y10T428/2982
Abstract: Abrasive particles comprising dish-shaped abrasive particles each having a sidewall; each of the shaped abrasive particles comprising alpha alumina and having a first face and a second face separated by a thickness, t; and wherein either the first face or the second face is recessed or concave.
Abstract translation: 研磨颗粒包括各自具有侧壁的碟形磨料颗粒; 每个成形磨料颗粒包含α氧化铝，并且具有分开厚度t的第一面和第二面; 并且其中所述第一面或所述第二面都凹入或凹入。
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