Patents by Inventor Tore W. Claesson

Tore W. Claesson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • File and method for making same
    Patent number: 4155149
    Abstract: A file comprises a handle and a tool connected to the handle. The tool comprises a body and a sleeve encompassing the body. The sleeve is formed of grinding material and includes an exterior grinding surface. Portions of the sleeve are disposed in recessed portions of the body and are fixed therein by tongue portions of the body which are deformed against the sleeve. The file is manufactured by positioning circumferential ends of the sleeve in a longitudinal recess on opposite sides of a ridge extending outwardly from the recess. The tongue portions extend from the ridge and overlie the recess. The tongues are deformed toward the recess and against the sleeve.
    Type: Grant
    Filed: December 9, 1977
    Date of Patent: May 22, 1979
    Assignee: Sandvik Aktiebolag
    Inventor: Tore W. Claesson