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    REPOSITIONABLE ABRASIVE DISC MOUNTING ASSEMBLY AND METHOD OF USING THE SAME
    5.
    发明公开
    REPOSITIONABLE ABRASIVE DISC MOUNTING ASSEMBLY AND METHOD OF USING THE SAME 审中-公开

    公开(公告)号：US20230339073A1

    公开(公告)日：2023-10-26

    申请号：US18005285

    申请日：2021-07-01

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Joseph B. Eckel ,  Erin D. Spring ,  Thomas J. Nelson ,  Fay T. Salmon ,  Dominic J. Triana ,  Jonathan J. O'Hare ,  Thomas R.J. Corrigan ,  David T. Buckley ,  Cory M. Arthur ,  Alireza Ghaderi

    IPC: B24D9/08

    CPC classification number: B24D9/085

    Abstract: A method for repositioning an abrasive disc within a repositionable abrasive disc mounting assembly is presented. The method includes mounting the abrasive disc to a repositionable abrasive disc mounting assembly in a first position. The mounting disc assembly includes the abrasive disc coupled to the back-up pad assembly such that the abrasive disc is in contact with a pressure feature of the back-up pad assembly, a drive shaft of a grinding tool, and a fastener that maintains the position of the abrasive disc and the back-up pad coupled to the drive shaft. The method also includes conducting an abrasive operation by activating the grinding tool. The method also includes re-positioning the abrasive disc, with respect to the repositionable abrasive disc mounting assembly, in a second position. The first position includes the abrasive disc in a first position relative to the pressure feature. The second position includes the abrasive disc in a second position relative to the pressure feature assembly. Re-positioning includes an adjustment between the first and second position while the abrasive disc is still positioned on the drive shaft between the fastener and the back-up pad assembly.

    ACCESSORY ATTACHMENT FOR RANDOM-ORBITAL SANDER
    6.
    发明申请
    ACCESSORY ATTACHMENT FOR RANDOM-ORBITAL SANDER 有权

    公开(公告)号：US20220226955A1

    公开(公告)日：2022-07-21

    申请号：US17613317

    申请日：2020-05-14

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Erin D. Spring

    IPC: B24B23/03 ,  B24D9/08

    Abstract: An assembly for attachment of an accessory to a random-orbital sander is disclosed comprising a drive spindle, a support plate, one or more drive members located on and protruding from either of both of the drive spindle and/or the support plate, and one or more drive sockets corresponding to the one or more drive members. The one or more drive sockets are located on either or both of the drive spindle and/or the support plate. An attachment member adapted to protrude through an attachment aperture to fix the support plate and drive spindle against axial movement. One or more of the drive members seats within a corresponding drive socket to fix the drive spindle and support plate against relative rotational movement. One or more tuning members are positioned between the drive spindle and the support plate to space the support plate from the drive spindle a predetermined distance. A method of assembling a corresponding accessory to a random orbital sander and a method of balancing vibration in a random orbital sander by means of one or more tuning members are also disclosed.

    COATED ABRASIVE DISC AND METHODS OF MAKING AND USING THE SAME
    7.
    发明申请
    COATED ABRASIVE DISC AND METHODS OF MAKING AND USING THE SAME 审中-公开

    公开(公告)号：US20200346322A1

    公开(公告)日：2020-11-05

    申请号：US16763104

    申请日：2018-11-16

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Thomas P. Hanschen ,  Steven J. Keipert ,  Joseph B. Eckel ,  Aaron K. Nienaber ,  Erin D. Spring ,  Brant A. Moegenburg ,  Eric M. Moore ,  Thomas J. Nelson

    IPC: B24D3/28 ,  B24D11/02

    Abstract: A coated abrasive disc includes a disc backing having an outer circumference. An abrasive layer is disposed on the disc backing. The abrasive layer comprises triangular abrasive platelets secured to a major surface of the disc backing by at least one binder material. The triangular abrasive platelets are outwardly disposed at regularly-spaced points along a spiral pattern extending outwardly toward the outer circumference. Each triangular abrasive platelet has respective top and bottom surfaces connected to each other, and separated by, three sidewalls. On a respective basis, one sidewall of at least 90 percent of the triangular abrasive platelets is disposed facing and proximate to the disc backing, and at least 70 percent of the triangular abrasive platelets are disposed in a recurring sequential orientation having an oscillating Z-axis rotational orientation of the first respective sidewall relative to the tangents to the spiral pattern at regularly-spaced points. Methods of making and using the coated abrasive disc are also disclosed.

    Coated abrasive disc and methods of making and using the same
    8.
    发明授权
    Coated abrasive disc and methods of making and using the same 有权

    公开(公告)号：US11597059B2

    公开(公告)日：2023-03-07

    申请号：US16763064

    申请日：2018-11-16

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Thomas P. Hanschen ,  Steven J. Keipert ,  Joseph B. Eckel ,  Aaron K. Nienaber ,  Erin D. Spring ,  Brant A. Moegenburg ,  Eric M. Moore ,  Thomas J. Nelson

    IPC: B24D7/06 ,  B24D11/00

    Abstract: A coated abrasive disc includes a disc backing and an abrasive layer disposed thereon. The abrasive layer comprises abrasive elements secured to a major surface of the disc backing by at least one binder material. The abrasive elements are disposed at contiguous intersections of horizontal and vertical lines of a rectangular grid pattern. Each abrasive element has two triangular abrasive platelets, each having respective top and bottom surfaces connected to each other, and separated by, three sidewalls. On a respective basis, one sidewall of the triangular abrasive platelets is disposed facing and proximate to the disc backing. A first portion of the abrasive elements is arranged in alternating first rows wherein the triangular abrasive platelets are disposed lengthwise aligned with the vertical lines. A second portion of the abrasive elements is arranged in alternating second rows wherein the triangular abrasive platelets are disposed lengthwise aligned with the horizontal lines. The first and second rows repeatedly alternate along the vertical lines. Methods of making and using the coated abrasive disc are also disclosed.

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