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公开(公告)号：US11351653B2
公开(公告)日：2022-06-07
申请号：US16336157
申请日：2017-09-18
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Aaron K. Nienaber , Grayce T. Huberty , Thomas J. Nelson , Ronald D. Apple , Louis S. Moren , Robinette S. Alkhas , Nathan E. Schultz , Tien T. Wu , Gerry A. Hoffdahl
Abstract: Abrasive articles including a nonwoven fibrous substrate having a plurality of fibers, and a multiplicity of shaped abrasive particles, each shaped abrasive particle adhered to a corresponding fiber, each shaped abrasive particle having a length (L) and a width (W) determined in a direction substantially orthogonal to the length, the ratio of the length to the width defining an aspect ratio (L/W) of at least 1.1, each abrasive particle is oriented relative to its corresponding fiber, and more than 50% of the abrasive particles are oriented with respect to their corresponding fiber such that the abrasive particle length extends generally outwardly away from a surface of the corresponding fiber as determined visually using the Orientation Test. The shaped abrasive particles may have the geometric shape of a polygonal prism having two faces and at least three sides thereon. Methods of making the abrasive articles are also disclosed.
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公开(公告)号：US20210283749A1
公开(公告)日：2021-09-16
申请号：US16336157
申请日：2017-09-18
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Aaron K. Nienaber , Grayce T. Huberty , Thomas J. Nelson , Ronald D. Apple , Louis S. Moren , Robinette S. Alkhas , Nathan E. Schultz , Tien T. Wu , Gerry A. Hoffdahl
Abstract: Abrasive articles including a nonwoven fibrous substrate having a plurality of fibers, and a multiplicity of shaped abrasive particles, each shaped abrasive particle adhered to a corresponding fiber, each shaped abrasive particle having a length (L) and a width (W) determined in a direction substantially orthogonal to the length, the ratio of the length to the width defining an aspect ratio (L/W) of at least 1.1, each abrasive particle is oriented relative to its corresponding fiber, and more than 50% of the abrasive particles are oriented with respect to their corresponding fiber such that the abrasive particle length extends generally outwardly away from a surface of the corresponding fiber as determined visually using the Orientation Test. The shaped abrasive particles may have the geometric shape of a polygonal prism having two faces and at least three sides thereon. Methods of making the abrasive articles are also disclosed.
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Patent Agency Ranking
公开(公告)号：US20210308834A1
公开(公告)日：2021-10-07
申请号：US17250454
申请日：2019-07-18
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Robinette S. Alkhas , Ronald D. Apple
Abstract: Abrasive articles comprising at least one layer of fibrous nonwoven fabric, woven fabrics and combinations thereof are disclosed. The fabrics or combinations of fabrics may have a hardened adherent coating. The adherent coating may comprise a first coating and a second coating. The second coating may be formed on top of the first coating. The first coating may comprise a crosslinked binder and the second coating may comprise an abrasive particle and a lubricant.
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公开(公告)号：US10556323B2
公开(公告)日：2020-02-11
申请号：US15555910
申请日：2016-03-30
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Robinette S. Alkhas , Ronald D. Apple , Louis S. Moren
Abstract: A nonwoven abrasive article includes a lofty open nonwoven fiber web comprising entangled fibers; and abrasive platelets secured to the entangled fibers by at least one binder material. A majority of the abrasive platelets are respectively bonded in an edge-wise manner to at least one of the entangled fibers. Methods of making the nonwoven abrasive article and converted forms, including a convolute abrasive wheel, are also disclosed.
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公开(公告)号：US11505730B2
公开(公告)日：2022-11-22
申请号：US16612507
申请日：2018-05-11
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Laura M. Lara Rodriguez , Chainika Jangu , Scott R. Culler , Negus B. Adefris , Gregory S. Mueller , Jon T. Schwartz , Brian G. Koethe , Robinette S. Alkhas , Ronald D. Apple , Ernest L. Thurber
Abstract: Various embodiments disclosed relate to an abrasive article (10). The abrasive article (10 includes a backing (12) defining a major surface. The abrasive article (10) includes an abrasive layer including a plurality of tetrahedral abrasive particles (16) attached to the backing (12). The tetrahedral abrasive particles (16) include four faces joined by six edges terminating at four vertices (40, 42, 44, 46). Each one of the four faces contacts three of the four faces, and a major portion of the tetrahedral abrasive particles (16) have at least one of the vertices (40, 42, 44, 46) oriented in substantially a same direction.
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公开(公告)号：US20190202032A1
公开(公告)日：2019-07-04
申请号：US16311850
申请日：2017-06-30
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Robinette S. Alkhas , Ronald D. Apple , Dean S. Holmes , Laurie L. Poluha , Louis S. Moren
CPC classification number: B24D3/32 , B24D3/28 , B24D11/00 , B24D11/005
Abstract: Various embodiments disclosed relate to nonwoven abrasive article including abrasive particles. In various embodiments, the present invention provides a nonwoven abrasive article including a nonwoven web including fibers and pores between the fibers. The nonwoven abrasive article includes abrasive particles, wherein each of the pores between the fibers independently includes one or more of the abrasive particles. Each pore is independently about the same size as the one or more abrasive particles therein.
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公开(公告)号：US20180036866A1
公开(公告)日：2018-02-08
申请号：US15555910
申请日：2016-03-30
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Robinette S. Alkhas , Ronald D. Apple , Louis S. Moren
Abstract: A nonwoven abrasive article includes a lofty open nonwoven fiber web comprising entangled fibers; and abrasive platelets secured to the entangled fibers by at least one binder material. A majority of the abrasive platelets are respectively bonded in an edge-wise manner to at least one of the entangled fibers. Methods of making the nonwoven abrasive article and converted forms, including a convolute abrasive wheel, are also disclosed.
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