Patents by Inventor Ulrich Bruhnke

Ulrich Bruhnke 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: 11596992
    Abstract: An apparatus for producing metal sheets from extruded profiles of small thickness or of hollow chamber plates of light metal, preferably of magnesium or magnesium alloys, comprises an extruder for producing an extruded profile which is open along a surface line. A separating device is provided for cutting the extruded profile to length corresponding to the length of the metal sheet to be produced, or the hollow chamber plate to be produced. A bending unit is used for deforming the extruded profile into a U-shaped profile. An expansion unit is provided for expanding the U-shaped profile into a flat metal sheet or a hollow chamber plate. A stacking unit is also provided. At least one expansion unit is arranged parallel to the extrusion line and thus the extrusion and expanding processes are decoupled from one another.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: March 7, 2023
    Inventor: Ulrich Bruhnke
  • Publication number: 20210291246
    Abstract: An apparatus for producing metal sheets from extruded profiles of small thickness or of hollow chamber plates of light metal, preferably of magnesium or magnesium alloys, comprises an extruder for producing an extruded profile which is open along a surface line. A separating device is provided for cutting the extruded profile to length corresponding to the length of the metal sheet to be produced, or the hollow chamber plate to be produced. A bending unit is used for deforming the extruded profile into a U-shaped profile. An expansion unit is provided for expanding the U-shaped profile into a flat metal sheet or a hollow chamber plate. A stacking unit is also provided. At least one expansion unit is arranged parallel to the extrusion line and thus the extrusion and expanding processes are decoupled from one another.
    Type: Application
    Filed: May 24, 2019
    Publication date: September 23, 2021
    Inventor: Ulrich Bruhnke
  • Patent number: 10589330
    Abstract: A method and to a system for producing open or closed annular structural components made of light metal and alloys thereof, preferably of magnesium or magnesium alloys, having a two-dimensional or three-dimensional structure by means of extrusion, wherein the extruded profile exiting the die of the extrusion press is formed into a helical shape by way of one or more guide tools, and more particularly such that the ends of the helical shape are separated from the extruded strand in the region of the overlap and formed into a two-dimensional or three-dimensional structural component in a shaping device.
    Type: Grant
    Filed: May 19, 2015
    Date of Patent: March 17, 2020
    Inventor: Ulrich Bruhnke
  • Patent number: 10537924
    Abstract: An extrusion press for producing flat metal sheets from hollow sections made of magnesium or magnesium alloys, comprising a mandrel head protruding into the die opening of an extrusion tool, wherein the mandrel head (7) of the mandrel (5) is disposed so as to protrude from the outside into the opening of the die, and the mandrel head (7) has a conical design.
    Type: Grant
    Filed: October 7, 2014
    Date of Patent: January 21, 2020
    Inventor: Ulrich Bruhnke
  • Patent number: 10363589
    Abstract: A method and a system produces extrusion billets from scraps obtained from stamping, cutting and/or machining operations, in particular scraps made of magnesium or magnesium alloys, without subjecting these to a melting process. The system for carrying out the method is essentially composed of a storage unit for the scraps, a device for comminuting the scraps, a press for producing a round briquette, and an extruder for shaping the round briquette into a extrusion billet.
    Type: Grant
    Filed: November 27, 2014
    Date of Patent: July 30, 2019
    Inventor: Ulrich Bruhnke
  • Patent number: 10323309
    Abstract: The invention for working extruded profile sections with respect to the outer contours thereof by way of hot shaping and/or hot stamping and/or cutting operations and/or punching operations comprises the following method steps: —inserting the profile sections (1) heated to a temperature in the range of 250 to 450° C. into a two-part shaping tool (2) preheated to a temperature of 300 to 600° C.; and —applying pressure to the shaping tool (2) by way of one or more pressing cylinders (3) of a press (4). The device for carrying out the method comprises a press (4) and a shaping tool, wherein the shaping tool (2) is formed of two tool halves I, II, which are displaceable with respect to each other, and between which the profile section (1) is inserted.
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: June 18, 2019
    Inventor: Ulrich Bruhnke
  • Patent number: 10156004
    Abstract: The aluminum-free magnesium alloy has a composition of at least 87.5 wt. % magnesium, produced by adding 0.5 to 2.0 wt. % cerium, 0.2 to 2.0 wt. % lanthanum, 0 to 5 wt. % of at least one further metal from the group of the rare earths, 1.5 to 3.0 wt. % of a manganese compound, and 0 to 0.5 wt. % of a phosphorus compound.
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: December 18, 2018
    Inventor: Ulrich Bruhnke
  • Patent number: 10040109
    Abstract: A method for producing metal sheets from strand-shaped profiles having a low thickness made of magnesium or magnesium alloys, wherein an open or a closed extruded profile is produced in a preceding method step, wherein the extruded profile exiting the extrusion die of an extrusion press is shaped to form a planar metal sheet by the contactless action of electromagnetic forces.
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: August 7, 2018
    Inventor: Ulrich Bruhnke
  • Patent number: 10035203
    Abstract: A method for separating hollow sections after the extrusion process, the hollow sections being separated to create a component with a predefined geometrical shape by way of a punching operation.
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: July 31, 2018
    Assignee: Ulrich Bruhnke
    Inventor: Ulrich Bruhnke
  • Patent number: 9849505
    Abstract: Metal sheets (13) are produced from strand-shaped profiles (8) having a low thickness, made of magnesium or magnesium alloys by way of an extrusion system (1). The open or closed extruded profile (8) exiting the extrusion die (6-7) of an extrusion press (1) is shaped to obtain a flat metal sheet (13) and is then subjected to a defined shaping process by way of stretch-forming. The system for carrying out the method is essentially composed of an extrusion press (1) comprising a die plate generating the extruded profile and a shaping unit (5) following the die plate, wherein the shaping unit (5) is composed of a severing unit (2), a bending unit (3), and an unrolling unit (4).
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: December 26, 2017
    Assignee: Ulrich Bruhnke
    Inventor: Ulrich Bruhnke
  • Publication number: 20170128994
    Abstract: A method and to a system for producing open or closed annular structural components made of light metal and alloys thereof, preferably of magnesium or magnesium alloys, having a two-dimensional or three-dimensional structure by means of extrusion, wherein the extruded profile exiting the die of the extrusion press is formed into a helical shape by way of one or more guide tools, and more particularly such that the ends of the helical shape are separated from the extruded strand in the region of the overlap and formed into a two-dimensional or three-dimensional structural component in a shaping device.
    Type: Application
    Filed: May 19, 2015
    Publication date: May 11, 2017
    Inventor: Ulrich BRUHNKE
  • Publication number: 20170107601
    Abstract: The invention for working extruded profile sections with respect to the outer contours thereof by way of hot shaping and/or hot stamping and/or cutting operations and/or punching operations comprises the following method steps:—inserting the profile sections (1) heated to a temperature in the range of 250 to 450° C. into a two-part shaping tool (2) preheated to a temperature of 300 to 600° C.; and—applying pressure to the shaping tool (2) by way of one or more pressing cylinders (3) of a press (4). The device for carrying out the method comprises a press (4) and a shaping tool, wherein the shaping tool (2) is formed of two tool halves I, II, which are displaceable with respect to each other, and between which the profile section (1) is inserted.
    Type: Application
    Filed: February 13, 2015
    Publication date: April 20, 2017
    Inventor: Ulrich BRUHNKE
  • Publication number: 20160354819
    Abstract: An extrusion press for producing flat metal sheets from hollow sections made of magnesium or magnesium alloys, comprising a mandrel head protruding into the die opening of an extrusion tool, wherein the mandrel head (7) of the mandrel (5) is disposed so as to protrude from the outside into the opening of the die, and the mandrel head (7) has a conical design.
    Type: Application
    Filed: October 7, 2014
    Publication date: December 8, 2016
    Inventor: Ulrich BRUHNKE
  • Publication number: 20160101475
    Abstract: A method for separating hollow sections after the extrusion process, the hollow sections being separated to create a component with a predefined geometrical shape by way of a punching operation.
    Type: Application
    Filed: May 13, 2014
    Publication date: April 14, 2016
    Inventor: Ulrich BRUHNKE
  • Publication number: 20160096221
    Abstract: Metal sheets (13) are produced from strand-shaped profiles (8) having a low thickness, made of magnesium or magnesium alloys by way of an extrusion system (1). The open or closed extruded profile (8) exiting the extrusion die (6-7) of an extrusion press (1) is shaped to obtain a fiat metal sheet (13) and is then subjected to a defined shaping process by way of stretch-forming. The system for carrying out the method is essentially composed of an extrusion press (1) comprising a die plate generating the extruded profile and a shaping unit (5) following the die plate, wherein the shaping unit (5) is composed of a severing unit (2), a bending unit (3), and an unrolling unit (4).
    Type: Application
    Filed: May 13, 2014
    Publication date: April 7, 2016
    Inventor: Ulrich BRUHNKE
  • Publication number: 20160060733
    Abstract: The aluminum-tree magnesium alloy has a composition of at least 87.5 wt. % magnesium, produced by adding 0.5 to 2.0 wt. % cerium, 0.2 to 2.0 wt. % lanthanum, 0 to 5 wt. % of at least one further metal from the group of the rare earths, 1.5 to 3.0 wt. % of a manganese compound, and 0 to 0.5 wt. % of a phosphorus compound.
    Type: Application
    Filed: April 8, 2014
    Publication date: March 3, 2016
    Inventor: Ulrich BRUHNKE
  • Publication number: 20160059289
    Abstract: A method for producing metal sheets from strand-shaped profiles having a low thickness made of magnesium or magnesium alloys, wherein an open or a closed extruded profile is produced in a preceding method step, wherein the extruded profile exiting the extrusion die of an extrusion press is shaped to form a planar metal sheet by the contactless action of electromagnetic forces.
    Type: Application
    Filed: April 8, 2014
    Publication date: March 3, 2016
    Inventor: Ulrich BRUHNKE
  • Publication number: 20160045986
    Abstract: The aluminum-free magnesium alloy consists of a composition comprising 1.4 to 2.2 wt. % manganese, 0.4 to 4.0 cerium, 0.2 to 2.0 wt. % anthanum, 0.001 to 5 wt. % scandium, and magnesium as well as manufacturing-related impurities accounting for the remaining content in the alloy that is missing to make up 100 wt. %, and the ratio of cerium to lanthanum being 2:1.
    Type: Application
    Filed: April 4, 2014
    Publication date: February 18, 2016
    Inventor: Ulrich BRUHNKE
  • Patent number: 8919971
    Abstract: The invention is related to an interior rear view mirror that is constructed by front plastic glass shaped in u-form and a mirror housing. The mirror comprises a second plastic glass which crate a inter glass space for a device which changes the reflectivity of the mirror.
    Type: Grant
    Filed: April 3, 2009
    Date of Patent: December 30, 2014
    Assignee: SMR Patents S.a.r.l.
    Inventors: Ulrich Bruhnke, Oliver Eder, Kurt Wilfinger
  • Patent number: 8608355
    Abstract: The invention is related to a rear view mirror formed by a plastic glass structure and mirror housing. The plastic glass allows smooth edges and a bezel free appearance of the mirror. The plastic glass allows in addition to shine through the mirror body to create different types of illumination in the passenger's cabin.
    Type: Grant
    Filed: April 3, 2009
    Date of Patent: December 17, 2013
    Assignee: SMR Patents S.a.r.l.
    Inventors: Ulrich Bruhnke, Oliver Eder, Kurt Wilfinger