Patents by Inventor Alfred Sladek

Alfred Sladek 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).

  • Patent number: 8096735
    Abstract: The invention relates to a cutting insert, in particular for a milling work, with a basic body which respectively has on opposite sides peripheral cutting edges, which protrude beyond the respectively adjoining face regions (15), descending at a positive rake angle, in the middle of which one or more planar supporting surfaces (16) are arranged, and with a central fastening hole (12) for receiving a tensioning screw. Arranged around the central fastening hole is at least one conical surface (19), with a cone descending inwards, i.e. towards the fastening hole.
    Type: Grant
    Filed: February 6, 2007
    Date of Patent: January 17, 2012
    Assignee: Kennametal Widia Produktions GmbH & Co. KG
    Inventors: Alfred Sladek, Andreas Wessel, Carsten Schwaner, Martin Hausmann
  • Patent number: 7976249
    Abstract: Side milling cutter for manufacturing a stone or rock drill in which the cutting inserts each have a bearing lug with sloped sides, as well as a method of manufacturing a stone or rock drill with such a side milling cutter, and a cutting insert therefor having a bearing lug with sloped sides.
    Type: Grant
    Filed: January 5, 2007
    Date of Patent: July 12, 2011
    Assignee: Kennametal Inc.
    Inventors: Franz Priller, Alfred Sladek
  • Publication number: 20090052998
    Abstract: The invention relates to a cutting insert, in particular for a milling work, with a basic body which respectively has on opposite sides peripheral cutting edges, which protrude beyond the respectively adjoining face regions (15), descending at a positive rake angle, in the middle of which one or more planar supporting surfaces (16) are arranged, and with a central fastening hole (12) for receiving a tensioning screw. Arranged around the central fastening hole is at least one conical surface (19), with a cone descending inwards, i.e. towards the fastening hole.
    Type: Application
    Filed: February 6, 2007
    Publication date: February 26, 2009
    Inventors: Alfred Sladek, Andreas Wessel, Carsten Schwaner, Martin Hausmann
  • Publication number: 20070201959
    Abstract: A side milling cutter for manufacturing a stone or rock drill, a method of manufacturing a stone or rock drill with a side milling cutter, and a side milling cutter and a cutting insert therefor. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. §1.72(b). As stated in 37 C.F.R. §1.72(b): A brief abstract of the technical disclosure in the specification must commence on a separate sheet, preferably following the claims, under the heading “Abstract of the Disclosure.” The purpose of the abstract is to enable the Patent and Trademark Office and the public generally to determine quickly from a cursory inspection the nature and gist of the technical disclosure. The abstract shall not be used for interpreting the scope of the claims. Therefore, any statements made relating to the abstract are not intended to limit the claims in any manner and should not be interpreted as limiting the claims in any manner.
    Type: Application
    Filed: January 5, 2007
    Publication date: August 30, 2007
    Inventors: FRANZ PRILLER, ALFRED SLADEK