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1. 发明授权

US12113426B2 Rotor shaft assembly, method for manufacturing of rotor shaft assembly and devices comprising rotor shaft assembly 有权
公开(公告)号：US12113426B2
公开(公告)日：2024-10-08
申请号：US18560028
申请日：2022-05-11
申请人： Mirka Ltd
发明人： Simon Bäck , Tobias Holmqvist , Tomas Södergård
IPC分类号： H02K7/00 , H02K7/14 , H02K9/06
CPC分类号： H02K7/003 , H02K7/145 , H02K9/06
摘要： There is provided a solution for electrical insulation for an output shaft, tool and/or accessory driven by an electric motor, and the presence of the electrical insulation is also easy to verify. A rotor shaft assembly for an electric motor includes at least one section that is configured to extend in an axial direction of the rotor shaft assembly outside of a stator assembly of the electric motor, when the rotor shaft assembly is rotatably mounted inside the stator assembly. An electrical insulator is connected to the at least one section and the electrical insulator is configured to connect to an output shaft for connecting with a tool and/or accessory, or configured to connect directly to a tool and/or accessory to be driven by the electric motor.

2. 外观设计

USD1010415S1 Backing pad for sander 有权
公开(公告)号：USD1010415S1
公开(公告)日：2024-01-09
申请号：US29835245
申请日：2022-04-18
申请人： Mirka Ltd
设计人： Stig Finnäs
摘要： FIG. 1 is a top perspective view of a backing pad for sander embodying my design;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a front view thereof;
FIG. 6 is a rear view thereof;
FIG. 7 is a left view thereof; and,
FIG. 8 is a right view thereof.

3. 发明公开

US20230211464A1 METHOD AND APPARATUS FOR PRODUCING ENDLESS ABRASIVE ARTICLES AND A PRODUCED ABRASIVE ARTICLE 审中-公开
公开(公告)号：US20230211464A1
公开(公告)日：2023-07-06
申请号：US18114459
申请日：2023-02-27
申请人： Mirka Ltd
发明人： Göran HÖGLUND
IPC分类号： B24D11/02 , B29C53/74
CPC分类号： B24D11/02 , B29C53/74
摘要： A method for producing endless abrasive articles (100) includes providing a mandrel coil (200), which comprises a first complete turn (B0A) formed of an endless mandrel belt (B0), feeding the endless mandrel belt (B0) to an input end (IN0) of the mandrel coil (200) and unwinding the mandrel belt (B0) from an output end (OUT0) of the mandrel coil (200) so as to move the surface of the first complete turn (B0A) of the mandrel coil (200), forming a laminated sleeve (SLEEVE1) by feeding a first strip (S1) on the moving surface of the first complete turn (B0A) of the mandrel coil (200), and forming an endless abrasive article (100) by cutting the laminated sleeve (SLEEVE1).

4. 发明授权

US11638977B2 Spindle bearing cooling arrangement in an abrading apparatus 有权
公开(公告)号：US11638977B2
公开(公告)日：2023-05-02
申请号：US16638153
申请日：2018-08-30
申请人： Mirka Ltd
发明人： Stig Finnäs , Caj Nordström , Simon Bäck
IPC分类号： B24B23/02 , B24B55/02 , F16C37/00
摘要： An arrangement for cooling a spindle bearing or bearings of an abrading apparatus with rotating abrading members is disclosed. This is premised on arranging in a housing of the abrading apparatus conduits which extend from a spindle bearing chamber wall of the housing to an inner suction chamber wall of the housing. Via such conduits, hot air may be expelled from a spindle bearing chamber of the housing as an overpressure in front of a protruding balancer element of a rotating shaft balancer is discharged from the spindle bearing chamber via a conduit into a suction chamber. Cool air may be conveyed from a suction chamber into the spindle bearing chamber as an underpressure behind the protruding balancer element draws in air from the suction chamber via the conduit to the spindle bearing chamber.

5. 发明申请

US20220379430A1 APPARATUS COMPRISING AN ABRADING HEAD 有权
公开(公告)号：US20220379430A1
公开(公告)日：2022-12-01
申请号：US17775025
申请日：2019-11-07
申请人： Mirka Ltd
发明人： Jani KAHARI , Mårten WIKMAN , Andreas STORBJÖRK
IPC分类号： B24B49/14 , B24B49/10 , B24B49/00
摘要： A method for controlling operation of an abrading system (500) comprises: —providing an abrading head (300), which comprises an abrading device (200) and a communication unit (MOD1), —providing parameter data (PAR1) associated with the abrading device (200), —storing the parameter data (PAR1) into a memory (MEM2) of the communication unit (MOD1), —transporting the abrading head (300) to an abrading site (SITE1), —electrically connecting the abrading head (300) to a driving unit (400) at the abrading site (SITE1), —transferring the parameter data (PAR1) from the communication unit (MOD1) to the driving unit (400) at the abrading site (SITE1), and —driving an electric motor (MOTOR1) of the abrading device (200) with the driving unit (400) according to the parameter data (PAR1).

6. 外观设计

USD915855S1 Abrasive sheet 有权
公开(公告)号：USD915855S1
公开(公告)日：2021-04-13
申请号：US29709913
申请日：2019-10-18
申请人： Mirka Ltd
设计人： Courtney Hede

7. 发明授权

US10632591B2 Polishing pad and material and manufacturing method for such 有权
公开(公告)号：US10632591B2
公开(公告)日：2020-04-28
申请号：US15537774
申请日：2015-01-28
申请人： KWH MIRKA LTD
发明人： Hans Hede , Göran Höglund
IPC分类号： B24D13/14 , B24D11/02 , B24B37/24 , B24B29/00 , B24D11/00
CPC分类号： B24D13/147 , B24B29/00 , B24B37/24 , B24D11/003 , B24D11/02 , B24D13/14
摘要： A polishing pad for polishing a surface, material for a polishing pad and a method for manufacturing material for a polishing pad. A polishing pad has a backing layer and a polishing layer made of sheep wool fibres fixed onto a surface of the backing layer, wherein the polishing layer has loops made of sheep wool fibres.

8. 外观设计

USD816131S1 Abrasive disc 有权
公开(公告)号：USD816131S1
公开(公告)日：2018-04-24
申请号：US29596381
申请日：2017-03-08
申请人： Kjell Nymark
设计人： Kjell Nymark

9. 发明授权

US09616551B2 Method to provide an abrasive product surface and abrasive products thereof 有权
公开(公告)号：US09616551B2
公开(公告)日：2017-04-11
申请号：US14770689
申请日：2013-02-26
申请人： KWH MIRKA LTD
发明人： Beatriz Meana-Esteban , Göran Höglund , Hans Hede , Markus Kass , Mats Sundell
IPC分类号： B24D3/28 , B24D11/04 , B24B37/24 , B24B37/26 , B24D11/00 , B24D11/02 , B24D3/00
CPC分类号： B24D11/04 , B24B37/245 , B24B37/26 , B24D3/002 , B24D3/28 , B24D11/00 , B24D11/005 , B24D11/02
摘要： The invention relates to obtaining an abrasive product comprising a surface with multiple abrasive zones supported by a backing layer. The abrasive zone are surrounded by interconnected channel portions comprising first channel portions with a first transverse dimension td1 and second channel portions with a second transverse dimension td2 larger than the first transverse dimension td1.

10. 发明授权

US4947990A Package of abrasive materials 失效
标题翻译：研磨材料包装
公开(公告)号：US4947990A
公开(公告)日：1990-08-14
申请号：US360892
申请日：1989-05-25
申请人： Ronny Klemets
发明人： Ronny Klemets
IPC分类号： B65D83/08
CPC分类号： B65D83/0835
摘要： Package of preferably self-adhesive abrasive material (1), comprising circular disks or sheets, which are attached to each other to make a connected unit, which is folded together to make a bundle (3) so that all the abrasive material sheets or disks (1) in the bundle (3) are placed so that their face (1a) provided with abrasive material is facing upwards. The invention is characterized in that the abrasive material sheets or discs (1) are attached to each other by means of a continuous carrying band (2) passed along one side of the bundle (3) and in loops in between each sheet or disc of abrasive material (1), the upper portion (2a) of each loop being fixed to the side (1b) free of abrasive material of the sheet or disk of abrasive material (1) placed above, and the lower portion (2b) of each loop lying free between the upper portion (2a) of the loop and the abrasive-material-coated face (1a) of the sheet or disc of abrasive material placed underneath.
摘要翻译： PCT No.PCT / FI87 / 00165 Sec。 371日期：1989年5月25日 102（e）日期1989年5月25日PCT提交1987年12月10日PCT公布。出版物WO88 / 04265 日期：1988年6月16日。包括相互附接以制成连接单元的优选自粘研磨材料（1），包括圆盘或片材，其被折叠在一起以制成束（3），使得束（3）中的所有研磨材料片或盘（1）被放置成使得其设置有研磨材料的面（1a）面向上。本发明的特征在于，研磨材料片或盘（1）通过沿着束（3）的一侧通过的连续输送带（2）彼此附接，并且在每个片材或盘研磨材料（1），每个环的上部（2a）固定在侧面（1b）上，所述边不具有放置在其上方的研磨材料（1）的片材或盘的研磨材料和每个的下部（2b）在环的上部（2a）和位于其下方的研磨材料的片材或盘的研磨材料涂覆的面（1a）之间自由的环。

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