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公开(公告)号：US11607841B2
公开(公告)日：2023-03-21
申请号：US17304596
申请日：2021-06-23
发明人： Carsten Franke , Maiken Givot , Malte Korten , Robert L. W. Smithson , Brian D. Goers , Negus B. Adefris , Thomas J. Anderson , Brian A. Shukla , Michael C. Harper , Elizaveta Y. Plotnikov
IPC分类号： B29C64/153 , B24D18/00 , B33Y10/00 , B24D3/06 , B24D3/14 , B24D5/10 , B24D7/10 , B24D5/06 , B22F10/28 , B29C64/393 , B33Y30/00 , C22C29/12 , C22C32/00 , B22F10/10 , B22F10/73 , B22F12/63 , B22F12/67 , B22F10/32 , B22F10/34 , B22F10/36 , B22F10/366 , B22F10/66 , B33Y50/02 , B33Y80/00
摘要： A method of forming a vitreous bond abrasive article is presented that includes receiving, by a manufacturing device having one or more processors, a digital object comprising data specifying a plurality of layers of a vitreous bond abrasive article precursor. The vitreous bond abrasive article precursor includes abrasive particles bonded together by a vitreous bond precursor material and an organic compound. The vitreous bond abrasive article precursor further comprises at least one of: at least one tortuous cooling channel extending at least partially through the vitreous bond abrasive article precursor or at least one arcuate cooling channel extending at least partially through the vitreous bond abrasive article precursor. The method also includes generating, with the manufacturing device by an additive manufacturing process, the vitreous bond abrasive article precursor based on the digital object.
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公开(公告)号：US11344998B2
公开(公告)日：2022-05-31
申请号：US15102835
申请日：2014-12-11
摘要： The method generally involves the steps of filling the cavities in a production tool each with an individual abrasive particle. Aligning a filled production tool and a resin coated backing for transfer of the abrasive particles to the resin coated backing. Transferring the abrasive particles from the cavities onto the resin coated backing and removing the production tool from the aligned position with the resin coated backing. Thereafter the resin layer is cured, a size coat is applied and cured and the coated abrasive article is converted to sheet, disk, or belt form by suitable converting equipment.
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3.发明申请公开(公告)号：US20210362297A1
公开(公告)日：2021-11-25
申请号：US17304604
申请日：2021-06-23
发明人： Carsten Franke , Maiken Givot , Malte Korten , Robert L.W. Smithson , Brian D. Goers , Negus B. Adefris , Thomas J. Anderson , Brian A. Shukla , Michael C. Harper , Elizaveta Y. Plotnikov
IPC分类号： B24D3/06 , B24D3/14 , B24D5/10 , B24D7/10 , B33Y80/00 , B33Y10/00 , B33Y70/00 , B29C64/153 , B24D18/00 , B22F10/10 , B22F10/00
摘要： The present disclosure provides methods of making a vitreous bond abrasive article and a metal bond abrasive article. The methods include sequential steps. Step a) includes a subprocess including sequentially: i) depositing a layer of loose powder particles in a confined region; and ii) selectively applying heat via conduction or irradiation, to heat treat an area of the layer of loose powder particles. The loose powder particles include abrasive particles and organic compound particles, as well as vitreous bond precursor particles or metal particles. The layer of loose powder particles has substantially uniform thickness. Step b) includes independently carrying out step a) a number of times to generate an abrasive article preform comprising the bonded powder particles and remaining loose powder particles. Step c) includes separating remaining loose powder particles from the abrasive article preform. Step d) includes heating the abrasive article preform to provide the vitreous bond abrasive article comprising the abrasive particles retained in a vitreous bond material, or to provide the metal bond abrasive article. A method of making a metal bond abrasive optionally includes infusing an abrasive article preform with a molten lower melting metal and solidifying the molten lower melting metal to provide the metal bond abrasive article. The present disclosure further provides a vitreous bond abrasive article precursor and a metal bond abrasive article precursor. Also, methods including receiving, by a manufacturing device having a processor, a digital object specifying data for an abrasive article, and generating the abrasive article with the manufacturing device.
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公开(公告)号：US10675734B2
公开(公告)日：2020-06-09
申请号：US16720381
申请日：2019-12-19
发明人： Scott R. Culler , John T. Boden , Steven J. Keipert , Negus B. Adefris , Karan Jindal , Aaron K. Nienaber , David L. Morrison , Peter T. Benson , Pratik Pranay , Bradford B. Wright
摘要： A coated abrasive article maker apparatus is disclosed comprising a first web path comprising a production tool and a second web path configured for a resin coated backing. The second web path is configured to guide the resin coated backing through the coated abrasive article maker apparatus with the resin layer positioned facing the dispensing surface. An abrasive particle feeder is positioned along the first web path and is configured to dispense abrasive particles onto the dispensing surface such that abrasive particles are removably disposed within cavities of the production tool. Abrasive particles are transferred from the plurality of cavities to the resin layer of the resin coated backing when the production tool is positioned adjacent the resin coated backing.
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公开(公告)号：US20190233693A1
公开(公告)日：2019-08-01
申请号：US16320220
申请日：2017-07-31
发明人： Dwight D. Erickson , Ian R. Owen , Shawn C. Dodds , Matthew S. Stay , Scott R. Culler , John T. Boden , William C. Quade , Joseph D. Solem , Negus B. Adefris , Chainika Jangu , Thomas J. Anderson , Gregory S. Mueller , William Blake Kolb
IPC分类号： C09K3/14
CPC分类号： C09K3/1409 , C09K3/1436
摘要： Various embodiments disclosed relate to shaped abrasive particles having sharp tips, methods of making the shaped abrasive particles, methods of abrading a substrate with the shaped abrasive particles, and coated abrasive articles including the shaped abrasive particles. The shaped abrasive particle includes a ceramic, has a polygonal cross-sectional shape along a longitudinal axis of the shaped abrasive particle, and at least one tip of the shaped abrasive particle has a radius of curvature of less than or equal to about 19.2 microns.
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公开(公告)号：US10301518B2
公开(公告)日：2019-05-28
申请号：US15673685
申请日：2017-08-10
发明人： Negus B. Adefris
IPC分类号： C09K3/14 , B24D11/00 , B24D3/14 , C04B35/111 , C04B35/628 , B24D3/00 , B24D3/02 , B24D18/00
摘要： Shaped ceramic abrasive particles include a first surface having a perimeter having a perimeter comprising at least first and second edges. A first region of the perimeter includes the second edge and extends inwardly and terminates at two corners defining first and second acute interior angles. The perimeter has at most four corners that define acute interior angles. A second surface is disposed opposite, and not contacting, the first surface. A peripheral surface is disposed between and connects the first and second surfaces. The peripheral surface has a first predetermined shape. Methods of making the shaped ceramic abrasive particles, and abrasive articles including them are also disclosed.
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公开(公告)号：US10150900B2
公开(公告)日：2018-12-11
申请号：US15303309
申请日：2015-04-17
发明人： Negus B. Adefris
摘要： A ceramic shaped abrasive particle bounded by a base surface having a perimeter, contiguous sidewalls abutting the perimeter, and a multifaceted surface comprising contiguous facets. Each of the contiguous sidewalls abuts the perimeter, and collectively the contiguous sidewalls abut the perimeter in its entirety. Adjacent pairs of the contiguous sidewalls abut each other along respective corner edges. The multifaceted surface is spaced apart from the base surface by the contiguous sidewalls. At least one V-shaped groove extends from one of the corner edges across the multifaceted surface to one of the contiguous sidewalls that does not contact that corner edge. Less than ten percent of the multifaceted surface area is parallel to the base surface. Pluralities of the shaped abrasive particles and coated abrasive articles including them are also disclosed.
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公开(公告)号：US20160311081A1
公开(公告)日：2016-10-27
申请号：US15106213
申请日：2014-12-22
发明人： Scott R. Culler , John T. Boden , Steven J. Keipert , Negus B. Adefris , Karan Jindal , Aaron K. Nienaber , David L. Morrison , Peter T. Benson , Pratik Pranay , Bradford B. Wright
摘要： A coated abrasive article maker apparatus including a first web path guiding a production tool such that it wraps a portion of the outer circumference of an abrasive particle transfer roll; a second web path for a resin coated backing guiding the resin coated backing such that it wraps a portion of the outer circumference of the abrasive particle transfer roll with the resin layer positioned facing the dispensing surface of the production tool this is positioned between the resin coated backing and the outer circumference of the abrasive particle transfer roll; and wherein abrasive particles are transferred from cavities in the production tool to the resin coated backing as the resin coated backing and the production tool traverse around the abrasive particle transfer roll
摘要翻译： 一种涂覆的磨料制品制造设备，包括引导生产工具的第一卷材路径，使得其包裹磨料颗粒转移辊的外周的一部分; 用于引导树脂涂覆的背衬的树脂涂覆的背衬的第二网路径，使得其将磨料颗粒转移辊的外周的一部分与面向生产工具的分配表面定位的树脂层包裹，所述树脂层位于涂覆有树脂的树脂涂层 磨料颗粒转移辊的外周; 并且其中将磨料颗粒从生产工具中的空腔转移到树脂涂覆的背衬上，并且生产工具围绕研磨颗粒转移辊
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公开(公告)号：US11634618B2
公开(公告)日：2023-04-25
申请号：US16376348
申请日：2019-04-05
发明人： Negus B. Adefris
IPC分类号： B24D18/00 , B24D11/00 , B24D3/14 , C09K3/14 , C04B35/111 , C04B35/628 , B24D3/02 , B24D3/00
摘要： Shaped ceramic abrasive particles include a first surface having a perimeter having a perimeter comprising at least first and second edges. A first region of the perimeter includes the second edge and extends inwardly and terminates at two corners defining first and second acute interior angles. The perimeter has at most four corners that define acute interior angles. A second surface is disposed opposite, and not contacting, the first surface. A peripheral surface is disposed between and connects the first and second surfaces. The peripheral surface has a first predetermined shape. Methods of making the shaped ceramic abrasive particles, and abrasive articles including them are also disclosed.
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公开(公告)号：US20210353387A1
公开(公告)日：2021-11-18
申请号：US17284540
申请日：2019-10-11
发明人： Bhaskar V. Velamakanni , Paul R. Klaiber , Richard P. Rusin , Daniel J. Skamser , Negus B. Adefris
摘要： A dental appliance is described, the dental appliance including a polymeric substrate with a plurality of cavities for receiving one or more teeth, an arrangement of engineered microstructures on the substrate wherein the engineered microstructures include a therapeutic agent. The microstructures may be three-dimensionally engineered on a polymeric film disposed on a major surface of the polymeric substrate, wherein the microstructures extend outwards from the surface. The microstructures also comprise a compound releasable from the three-dimensionally engineered microstructures over a predetermined patient wear time.
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