Patents Assigned to KWH Mirka LTD
  • Abrasive product and a method for manufacturing such
    Patent number: 10981260
    Abstract: An abrasive product having an abrasive surface, a belt of an abrasive product, a roll of an abrasive product and a method for manufacturing an abrasive product. An abrasive product includes a backing and an abrasive surface. The abrasive surface includes at least a first abrasive area and a second abrasive area, wherein abrasive properties of the first abrasive area are different from abrasive properties of the second abrasive area.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: April 20, 2021
    Assignee: KWH MIRKA LTD
    Inventors: Stefan Lindvall, Mats Sundell
  • Polishing pad and material and manufacturing method for such
    Patent number: 10632591
    Abstract: 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.
    Type: Grant
    Filed: January 28, 2015
    Date of Patent: April 28, 2020
    Assignee: KWH MIRKA LTD
    Inventors: Hans Hede, Göran Höglund
  • Method to provide an abrasive product and abrasive products thereof
    Patent number: 10086501
    Abstract: The invention relates to obtaining an abrasive product comprising a backing layer and an abrasive layer, wherein the backing layer comprises propylene homopolymer or copolymer.
    Type: Grant
    Filed: February 26, 2013
    Date of Patent: October 2, 2018
    Assignee: KWH MIRKA LTD
    Inventors: Beatriz Esteban, Göran Höglund, Hans Hede, Markus Kass, Mats Sundell
  • Method to provide an abrasive product surface and abrasive products thereof
    Patent number: 10076826
    Abstract: 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.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: September 18, 2018
    Assignee: KWH MIRKA LTD
    Inventors: Beatriz Meana-Esteban, Göran Höglund, Hans Hede, Markus Kass, Mats Sundell
  • A POLISHING PAD AND MATERIAL AND MANUFACTURING METHOD FOR SUCH
    Publication number: 20180215011
    Abstract: 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.
    Type: Application
    Filed: January 28, 2015
    Publication date: August 2, 2018
    Applicant: KWH MIRKA LTD
    Inventors: Hans HEDE, Göran HÖGLUND
  • AN ABRASIVE PRODUCT AND A METHOD FOR MANUFACTURING SUCH
    Publication number: 20180178351
    Abstract: An abrasive product having an abrasive surface, a belt of an abrasive product, a roll of an abrasive product and a method for manufacturing an abrasive product. An abrasive product includes a backing and an abrasive surface. The abrasive surface includes at least a first abrasive area and a second abrasive area, wherein abrasive properties of the first abrasive area are different from abrasive properties of the second abrasive area.
    Type: Application
    Filed: May 25, 2016
    Publication date: June 28, 2018
    Applicant: KWH MIRKA LTD
    Inventors: Stefan LINDVALL, Mats SUNDELL
  • Composite body and method of manufacturing it
    Patent number: 9963625
    Abstract: Composite body comprises nanofibrillar cellulose (NFC) together with abrasive particles (AP). The nanofibrillar cellulose forms a 3-dimensional connecting network for the abrasive particles (AP). The abrasive particles have a hardness above 7 on Mohs scale. The composite body is used for grinding, polishing or cutting.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: May 8, 2018
    Assignees: UPM-KYMMENE CORPORATION, KWH MIRKA LTD
    Inventors: Hans Hede, Christer Kavander, Mats Sundell, Antti Laukkanen
  • A PRODUCT ROLL PACKAGE
    Publication number: 20170297809
    Abstract: The invention relates to a package for a material roll, for example, an abrasive material roll. The material roll comprises a package body part and a lid part, wherein the package further comprises positioning openings at both end sides of the package for positioning the material roll inside the package. Positioning openings are arranged to be formed when lid part of the package is closed. The invention further relates to a material roll, a material dispenser and a use of a package with a material roll.
    Type: Application
    Filed: July 1, 2015
    Publication date: October 19, 2017
    Applicant: KWH MIRKA LTD
    Inventors: Göran HÖGLUND, Beatriz MEANA-ESTEBAN, Kim NYLUND
  • Method to provide an abrasive product surface and abrasive products thereof
    Patent number: 9616551
    Abstract: 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.
    Type: Grant
    Filed: February 26, 2013
    Date of Patent: April 11, 2017
    Assignee: KWH MIRKA LTD
    Inventors: Beatriz Meana-Esteban, Göran Höglund, Hans Hede, Markus Kass, Mats Sundell
  • Abrasive holder
    Patent number: D708497
    Type: Grant
    Filed: October 16, 2013
    Date of Patent: July 8, 2014
    Assignee: KWH Mirka Ltd
    Inventor: Goran Hoglund
  • Sandpaper
    Patent number: D720935
    Type: Grant
    Filed: August 26, 2013
    Date of Patent: January 13, 2015
    Assignee: KWH Mirka Ltd.
    Inventor: Goran Hoglund
  • Angle grinder
    Patent number: D732363
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: June 23, 2015
    Assignee: KWH MIRKA LTD
    Inventor: Stig Finnäs
  • Backing pad
    Patent number: D738177
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: September 8, 2015
    Assignee: KWH MIRKA LTD
    Inventor: Stig Finnas
  • Angle grinder
    Patent number: D739199
    Type: Grant
    Filed: January 17, 2014
    Date of Patent: September 22, 2015
    Assignee: KWH MIRKA LTD.
    Inventor: Stig Finnaes
  • Backing pad
    Patent number: D740637
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: October 13, 2015
    Assignee: KWH MIRKA LTD
    Inventor: Stig Finnas
  • Sandpaper
    Patent number: D761572
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: July 19, 2016
    Assignee: KWH MIRKA LTD
    Inventor: Goran Hoglund
  • Packaging
    Patent number: D764272
    Type: Grant
    Filed: January 8, 2015
    Date of Patent: August 23, 2016
    Assignee: KWH MIRKA LTD
    Inventors: Goran Hoglund, Beatriz Meana-Esteban, Kim Nylund
  • Sandpaper
    Patent number: D771959
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: November 22, 2016
    Assignee: KWH MIRKA LTD
    Inventor: Goran Hoglund
  • Machine polishing pad
    Patent number: D786519
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: May 9, 2017
    Assignee: KWH MIRKA LTD
    Inventors: Göran Höglund, Hans Hede
  • Sanding machine
    Patent number: D802032
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: November 7, 2017
    Assignee: KWH MIRKA LTD
    Inventors: Pelle Reinius, Hans Himbert