Patents by Inventor Michael Kreuzer

Michael Kreuzer 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: 11839924
    Abstract: The invention relates to a cutting tool, in particular a milling tool, which comprises a tool body on which at least one cutting edge is provided. A coolant supply channel, from which at least one nozzle channel branches off fluidically, extends inside the tool body. The nozzle channel is configured to conduct coolant onto the cutting edge. A flow cross-section of the coolant supply channel is furthermore reduced in one flow direction.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: December 12, 2023
    Assignee: KENNAMETAL INC.
    Inventors: Alex Fraese, Werner Penkert, Michael Kreuzer
  • Patent number: 11298760
    Abstract: A tool body (12) for a shell end mill (10) is described with at least one helical chip guiding groove (24) arranged at the circumference of the tool body (12) for chip dissipation and at least two receptacles (28) for indexable cutting inserts (26) arranged at the chip guiding groove (24). In this case, the receptacles (28) each comprise a base surface having a bore for receiving an indexable cutting insert fastening screw (34) and at least one first abutment surface adjacent to the base surface. The transition between the base surface and the first contact surface is a groove. In addition, a cutting tool is described with such a tool body, wherein a two-sided indexable cutting insert (26) is attached in each receptacle (28).
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: April 12, 2022
    Assignee: KENNAMETAL INC.
    Inventors: Alex Fraese, Mark Alan Francis, Werner Bruno Penkert, Michael Kreuzer
  • Publication number: 20210101214
    Abstract: The invention relates to a cutting tool, in particular a milling tool, which comprises a tool body on which at least one cutting edge is provided. A coolant supply channel, from which at least one nozzle channel branches off fluidically, extends inside the tool body. The nozzle channel is configured to conduct coolant onto the cutting edge. A flow cross-section of the coolant supply channel is furthermore reduced in one flow direction.
    Type: Application
    Filed: October 8, 2020
    Publication date: April 8, 2021
    Inventors: Alex Fraese, Werner Penkert, Michael Kreuzer
  • Publication number: 20200180048
    Abstract: A tool body (12) for a shell end mill (10) is described with at least one helical chip guiding groove (24) arranged at the circumference of the tool body (12) for chip dissipation and at least two receptacles (28) for indexable cutting inserts (26) arranged at the chip guiding groove (24). In this case, the receptacles (28) each comprise a base surface having a bore for receiving an indexable cutting insert fastening screw (34) and at least one first abutment surface adjacent to the base surface. The transition between the base surface and the first contact surface is a groove. In addition, a cutting tool is described with such a tool body, wherein a two-sided indexable cutting insert (26) is attached in each receptacle (28).
    Type: Application
    Filed: February 10, 2020
    Publication date: June 11, 2020
    Applicant: Kennametal Inc.
    Inventors: Alex Fraese, Mark Alan Francis, Werner Bruno Penkert, Michael Kreuzer
  • Patent number: 10556278
    Abstract: A tool body (12) for a shell end mill (10) is described with at least one helical chip guiding groove (24) arranged at the circumference of the tool body (12) for chip dissipation and at least two receptacles (28) for indexable cutting inserts (26) arranged at the chip guiding groove (24). In this case, the receptacles (28) each include a base surface having a bore for receiving an indexable cutting insert fastening screw (34) and at least one first abutment surface adjacent to the base surface. The transition between the base surface and the first contact surface is a groove. In addition, a cutting tool is described with such a tool body, wherein a two-sided indexable cutting insert (26) is attached in each receptacle (28).
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: February 11, 2020
    Assignee: KENNAMETAL INC.
    Inventors: Alex Fraese, Mark Alan Francis, Werner Bruno Penkert, Michael Kreuzer
  • Patent number: 10369638
    Abstract: A milling cutter (10), in particular a side milling cutter, is described, having a tool body (12), to which at least one cutting insert (14) is removably secured, said cutting insert being clamped by means of a movable clamping element (16) in the tool body (12) and comprising a cutting edge (18) pointing in the direction of rotation (R). The clamping element (16) clamps the cutting insert (14) from behind and is arranged on the rear side of the cutting insert (14) in the direction of rotation (R) of the milling cutter (10).
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: August 6, 2019
    Assignee: KENNAMETAL INC.
    Inventors: Alex Fraese, Michael Kreuzer, Werner Penkert
  • Publication number: 20180050397
    Abstract: A tool body (12) for a shell end mill (10) is described with at least one helical chip guiding groove (24) arranged at the circumference of the tool body (12) for chip dissipation and at least two receptacles (28) for indexable cutting inserts (26) arranged at the chip guiding groove (24). In this case, the receptacles (28) each comprise a base surface having a bore for receiving an indexable cutting insert fastening screw (34) and at least one first abutment surface adjacent to the base surface. The transition between the base surface and the first contact surface is a groove. In addition, a cutting tool is described with such a tool body, wherein a two-sided indexable cutting insert (26) is attached in each receptacle (28).
    Type: Application
    Filed: August 16, 2016
    Publication date: February 22, 2018
    Applicant: Kennametal Inc.
    Inventors: Alex Fraese, Mark Alan Francis, Werner Bruno Penkert, Michael Kreuzer
  • Publication number: 20170136558
    Abstract: A milling cutter (10), in particular a side milling cutter, is described, having a tool body (12), to which at least one cutting insert (14) is removably secured, said cutting insert being clamped by means of a movable clamping element (16) in the tool body (12) and comprising a cutting edge (18) pointing in the direction of rotation (R). The clamping element (16) clamps the cutting insert (14) from behind and is arranged on the rear side of the cutting insert (14) in the direction of rotation (R) of the milling cutter (10).
    Type: Application
    Filed: November 11, 2016
    Publication date: May 18, 2017
    Inventors: Alex Fraese, Michael Kreuzer, Werner Penkert