Patents Assigned to Siku GmbH
  • Tool having a hard metal part with a solder and lining type connection
    Patent number: 4743137
    Abstract: This invention relates to a tool with at least one wear-resistant hard metal part which serves to process production pieces, stones, or the like, wherein the hard metal part is firmly connected with a metallic carrier by solder located in at least one solder aperture. In order to reduce the danger of formation of tension cracks in the hard metal part, the invention provides that at least one predetermined weak point is created in the solder aperture.
    Type: Grant
    Filed: September 29, 1986
    Date of Patent: May 10, 1988
    Assignee: Siku GmbH
    Inventors: Anton Bucher, Peter Simon, Wilhelm King
  • Tool
    Patent number: 4668118
    Abstract: This invention relates to a tool with at least one wear-resistant hard metal part which serves to process production pieces, stones, or the like, wherein the hard metal part is firmly connected with a metallic carrier by solder located in at least one solder aperture. In order to reduce the danger of formation of tension cracks in the hard metal part, the invention provides that at least one predetermined weak point is created in the solder aperture.
    Type: Grant
    Filed: September 26, 1984
    Date of Patent: May 26, 1987
    Assignee: Siku GmbH
    Inventors: Anton Bucher, Peter Simon, Wilhelm King