Patents Assigned to Hermes Schleifmittel GmbH & Co
  • ABRASIVE MATERIAL AND ABRASIVE WHEEL
    Publication number: 20130280995
    Abstract: The invention relates to an abrasive having a base body and abrasive particles applied to the surface of the base body, characterized in that the base body has a multicellular structure. The invention further relates to a process for producing this abrasive and to a grinding tool based on this abrasive.
    Type: Application
    Filed: April 17, 2013
    Publication date: October 24, 2013
    Applicant: Hermes Schleifmittel GmbH & Co. KG
    Inventors: Stephan Dopp, Dirk-Olaf Damrau
  • Ceramic corundum abrasive
    Patent number: 5531799
    Abstract: An improved ceramic corundum abrasive is achieved by addition of tin. Preparation is preferably by the sol-gel process, with further modifying components such as magnesium, lithium, cobalt, yttrium, hafnium, iron, rare earths, gamma-aluminium oxide already being present in the sol.
    Type: Grant
    Filed: April 28, 1994
    Date of Patent: July 2, 1996
    Assignee: Hermes Schleifmittel GmbH & Co
    Inventors: Eckhard Wagner, Gunter Becker, Gunter Bartels