Patents by Inventor Thomas Pannewitz

Thomas Pannewitz 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: 9662850
    Abstract: The invention relates to a press for producing a pellet from powdered material, comprising a press frame and a press unit arranged in the press frame with at least one upper press punch and/or at least one lower press punch, as well as at least one receptacle for the powdered material to be pressed by the upper and/or lower press punch, at least two upper drive units, each with one upper electric drive motor for moving the upper press punch in a vertical direction.
    Type: Grant
    Filed: July 21, 2014
    Date of Patent: May 30, 2017
    Assignee: FETTE COMPACTING GMBH
    Inventors: Thomas Pannewitz, Stephan Mallon
  • Patent number: 9533436
    Abstract: A press for producing a pellet from powdered material comprises a press frame and a pressing unit arranged therein, at least one upper press punch and/or at least one lower press punch, as well as at least one receptacle for powdered material. At least one upper drive unit has at least one upper drive motor for moving the upper press punch and/or at least one lower drive unit having at least one lower drive motor for moving the lower press punch and/or the receptacle. The at least one upper drive unit acts laterally offset on the at least one upper press punch via an upper force transmission element and/or the at least one lower drive unit acts laterally offset on the at least one lower press punch and/or the receptacle via a lower force transmission element.
    Type: Grant
    Filed: May 29, 2013
    Date of Patent: January 3, 2017
    Assignee: Fette Compacting GmbH
    Inventors: Thomas Pannewitz, Stephan Mallon
  • Publication number: 20160221217
    Abstract: A powder press for producing pressed parts from powdered pressing material has a die plate with at least two dies or die holes, at least two upper stamps and at least two lower stamps, which cooperate with the die hole, at least one linear drive for each upper stamp and/or at least one linear drive for each lower stamp, at least one position sensor for each upper stamp and/or each lower stamp between linear drive and upper stamp and/or at least one position sensor for each lower stamp between linear drive and lower stamp, and a regulator for each of the linear drives for upper stamps and/or lower stamps respectively. Each upper stamp and/or lower stamp is connected to a force transmission bridge in terms of function, on which two linear drives act, which are arranged spaced apart in parallel.
    Type: Application
    Filed: February 3, 2016
    Publication date: August 4, 2016
    Inventors: Holger Lünstedt, Thomas Pannewitz, Andreas Groth, Andreas Teetzen
  • Patent number: 9314946
    Abstract: A press producing a pellet from powdered material includes a press frame with upper and lower retaining plates connected by spacers and a support frame therebetween. A tool guiding unit has an upper punch plate with an upper press punch and/or a lower punch plate with a lower press punch and a die plate fastened at opposite sides of the frame having a material receptacle. An upper and/or lower drive unit for operating the punches so that reaction forces are introduced into the frame. A measurement ruler is fastened in a thermal zero point of the frame in a plane between the opposite sides. Measurement slides are arranged at the die plate and at the upper punch plate and/or the lower punch plate and interact with the ruler so that vertical movement and bending of the upper punch plate, the lower punch plate and/or the die plate are measured.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: April 19, 2016
    Assignee: Fette Compacting GmbH
    Inventor: Thomas Pannewitz
  • Patent number: 9289924
    Abstract: A press for producing a pellet from powdered material, comprising a press frame with an upper and a lower retaining plate, which are connected to one another by several vertical spacers and with at least one supporting element, which is disposed between the upper and the lower retaining plate, a tool guiding unit with at least one upper punch unit with at least one upper press punch and/or at least one lower punch unit with at least one lower press punch and with a die assembly with at least one holder for powdered material, which is to be pressed by the upper and/or lower press punch, wherein the tool guiding unit is disposed at the supporting element, and at least one upper drive unit for moving the upper punch unit in the vertical direction and/or at least one lower drive unit for moving the lower punch unit and or the die assembly in the vertical direction, wherein, when the press is operating, the upper drive unit and/or the lower drive unit are supported at the supporting element in such a manner, that
    Type: Grant
    Filed: October 15, 2012
    Date of Patent: March 22, 2016
    Assignee: FETTE COMPACTING GMBH
    Inventors: Holger Behns, Thomas Pannewitz
  • Patent number: 9272479
    Abstract: A press for producing a pellet from a powdered material, comprising a press frame with an upper and a lower retaining plate, which are connected with one another by several vertical spacers and with at least one supporting element disposed between the upper and the lower retaining plate, at least one upper punch unit with at least one upper press punch and/or at least one lower punch unit with at least one lower press punch as well as at least one holder for powdered material, which is to be pressed by the upper and/or lower press punch, at least one upper drive unit with at least one upper drive motor for moving the upper punch unit in the vertical direction and/or at least one lower drive unit with at least one lower drive motor for moving the lower punch unit and/or the holder in the vertical direction, wherein, when the press is operating, the upper drive unit and/or the lower drive unit are supported at the supporting element in such a manner, that the reaction forces, which are generated as action force
    Type: Grant
    Filed: October 16, 2012
    Date of Patent: March 1, 2016
    Assignee: FETTE COMPACTING GMBH
    Inventors: Holger Behns, Thomas Pannewitz
  • Patent number: 9186825
    Abstract: The invention relates to a method for producing a pellet from powdered material with the method steps: during a pressing process, a tipping of the upper and/or lower force transmission bridge and/or the upper and/or lower die plate and/or a force causing this tipping is measured; depending on the determined measurement results, the upper drive units and/or the lower drive units are moved asynchronously in relation to each other during the pressing process such that the caused tipping is compensated.
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: November 17, 2015
    Assignee: FETTE COMPACTING GMBH
    Inventors: Holger Behns, Thomas Pannewitz, Andreas Groth, Andreas Teetzen
  • Publication number: 20150217486
    Abstract: A press for producing a pellet from powdered material comprises a press frame and a pressing unit arranged therein, at least one upper press punch and/or at least one lower press punch, as well as at least one receptacle for powdered material. At least one upper drive unit has at least one upper drive motor for moving the upper press punch and/or at least one lower drive unit having at least one lower drive motor for moving the lower press punch and/or the receptacle. The at least one upper drive unit acts laterally offset on the at least one upper press punch via an upper force transmission element and/or the at least one lower drive unit acts laterally offset on the at least one lower press punch and/or the receptacle via a lower force transmission element.
    Type: Application
    Filed: May 29, 2013
    Publication date: August 6, 2015
    Applicant: Fette Compacting GmbH
    Inventors: Thomas Pannewitz, Stephan Mallon
  • Publication number: 20150158210
    Abstract: A press producing a pellet from powdered material includes a press frame with upper and lower retaining plates connected by spacers and a support frame therebetween. A tool guiding unit has an upper punch plate with an upper press punch and/or a lower punch plate with a lower press punch and a die plate fastened at opposite sides of the frame having a material receptacle. An upper and/or lower drive unit for operating the punches so that reaction forces are introduced into the frame. A measurement ruler is fastened in a thermal zero point of the frame in a plane between the opposite sides. Measurement slides are arranged at the die plate and at the upper punch plate and/or the lower punch plate and interact with the ruler so that vertical movement and bending of the upper punch plate, the lower punch plate and/or the die plate are measured.
    Type: Application
    Filed: December 2, 2014
    Publication date: June 11, 2015
    Inventor: Thomas Pannewitz
  • Publication number: 20150084225
    Abstract: The invention relates to a method for producing a pellet from powdered material with the method steps: during a pressing process, a tipping of the upper and/or lower force transmission bridge and/or the upper and/or lower die plate and/or a force causing this tipping is measured; depending on the determined measurement results, the upper drive units and/or the lower drive units are moved asynchronously in relation to each other during the pressing process such that the caused tipping is compensated.
    Type: Application
    Filed: September 18, 2014
    Publication date: March 26, 2015
    Applicant: FETTE COMPACTING GMBH
    Inventors: Holger Behns, Thomas Pannewitz, Andreas Groth, Andreas Teetzen
  • Publication number: 20150024078
    Abstract: The invention relates to a press for producing a pellet from powdered material, comprising a press frame and a press unit arranged in the press frame with at least one upper press punch and/or at least one lower press punch, as well as at least one receptacle for the powdered material to be pressed by the upper and/or lower press punch, at least two upper drive units, each with one upper electric drive motor for moving the upper press punch in a vertical direction.
    Type: Application
    Filed: July 21, 2014
    Publication date: January 22, 2015
    Applicant: FETTE COMPACTING GMBH
    Inventors: Thomas Pannewitz, Stephan Mallon
  • Publication number: 20140308382
    Abstract: A press for producing a pellet from a powdered material, comprising a press frame with an upper and a lower retaining plate, which are connected with one another by several vertical spacers and with at least one supporting element disposed between the upper and the lower retaining plate, at least one upper punch unit with at least one upper press punch and/or at least one lower punch unit with at least one lower press punch as well as at least one holder for powdered material, which is to be pressed by the upper and/or lower press punch, at least one upper drive unit with at least one upper drive motor for moving the upper punch unit in the vertical direction and/or at least one lower drive unit with at least one lower drive motor for moving the lower punch unit and/or the holder in the vertical direction, wherein, when the press is operating, the upper drive unit and/or the lower drive unit are supported at the supporting element in such a manner, that the reaction forces, which are generated as action force
    Type: Application
    Filed: October 16, 2012
    Publication date: October 16, 2014
    Applicant: FETTE COMPACTING GMBH
    Inventors: Holger Behns, Thomas Pannewitz
  • Publication number: 20140287078
    Abstract: A press for producing a pellet from powdered material, comprising a press frame with an upper and a lower retaining plate, which are connected to one another by several vertical spacers and with at least one supporting element, which is disposed between the upper and the lower retaining plate, a tool guiding unit with at least one upper punch unit with at least one upper press punch and/or at least one lower punch unit with at least one lower press punch and with a die assembly with at least one holder for powdered material, which is to be pressed by the upper and/or lower press punch, wherein the tool guiding unit is disposed at the supporting element, and at least one upper drive unit for moving the upper punch unit in the vertical direction and/or at least one lower drive unit for moving the lower punch unit and or the die assembly in the vertical direction, wherein, when the press is operating, the upper drive unit and/or the lower drive unit are supported at the supporting element in such a manner, that
    Type: Application
    Filed: October 15, 2012
    Publication date: September 25, 2014
    Applicant: FETTE COMPACTING GMBH
    Inventors: Holger Behns, Thomas Pannewitz
  • Patent number: 7803294
    Abstract: Method for determining a reference for a powder press, which comprises a die plate for attaching a die and an upper adaptor plate which may be actuated by a drive which is hydraulic, mechanical, electric or the like for attaching an upper punch, a lower adaptor plate which may be actuated by a hydraulic drive for attaching a lower punch or the die plate and at least one distance measuring system for the upper and lower punch and/or the die plate with the following steps: a reference die and at least one reference punch are made, the reference die is attached to the die plate, by an optical measuring device usefully arranged on a base plate and/or die plate, the position of the upper edge of the reference die is measured and the position value stored, the reference die is removed, the adaptor plate with the reference punch previously attached therein, is moved in the direction of the die until the lower edge of the reference punch has reached the stored position of the upper edge of the reference die, the sum
    Type: Grant
    Filed: October 24, 2006
    Date of Patent: September 28, 2010
    Assignee: Fette GmbH
    Inventors: Thomas Pannewitz, Martin Plucinski, Andreas Groth, Andreas Teetzen
  • Patent number: 7726961
    Abstract: Press for producing dimensionally stable pressed parts from powdered material, with a press frame, a die holding plate, at least one upper punch holding plate, at least one lower punch holding plate, adjusting drives for the upper punch and lower punch holding plate and/or die holding plate, a vertical guide in the press frame for at least the upper and lower punch holding plate and a measuring device for measuring the position of the upper punch holding plate, the lower punch holding plate and/or the die holding plate. A single measuring rule is attached in its thermal fixed reference point to a support vertically uncoupled from the press frame, on which measurement slides cooperating with the holding plates are guided.
    Type: Grant
    Filed: April 12, 2007
    Date of Patent: June 1, 2010
    Assignee: Fette GmbH
    Inventors: Udo Baltruschat, Holger Behns, Carsten Jordt, Jan Naeve, Thomas Pannewitz, Martin Plucinski, Harald Romer
  • Patent number: 7559755
    Abstract: A press for the manufacture of dimensionally stable compacts from powdered material, characterized by the features of a press frame having vertically adjustable columns and cross-connections, a die retainer plate, at least one upper ram retaining plate, at least one lower ram retaining plate, a guide column outside a press main axis which has two parallel guideways on which all retainer plates are adapted to be guided vertically on one side or be selectively locatable, wherein the lower end of the guide column is fixedly coupled to a frame-mounted lower plate and the upper end is located on the press frame, an upper adjustable drive adapted to be located on the press frame, for the upper retaining plate (34), a lower adjustable drive (68) for the lower retaining plate (38, 40) and the die retainer plate, if desired, and which is fixed to the frame-mounted lower plate.
    Type: Grant
    Filed: April 12, 2007
    Date of Patent: July 14, 2009
    Assignee: Fette GmbH
    Inventors: Udo Baltruschat, Holger Behns, Carsten Jordt, Jan Naeve, Thomas Pannewitz, Martin Plucinski, Harald Romer
  • Patent number: 7351048
    Abstract: Powder press for the production of pressed articles of powder-shaped pressing material, having the following characteristics: a female mould plate with a least two female moulds or one female mould with at least two female die bores, at least two upper plungers, which co-operate with the female moulds and the female die bores, respectively, hydraulic cylinder for the upper plungers at least two bottom plungers, which co-operate with the female moulds and the female die bores, respectively hydraulic cylinders for the bottom plungers at least one position sensor for the upper plungers, and at least one position sensor for the bottom plungers force sensors for the individual hydraulic cylinders and a controlling means for the hydraulic cylinder or the hydraulic cylinders for the upper plungers and each one controlling means for the hydraulic cylinders for the bottom plungers.
    Type: Grant
    Filed: February 16, 2005
    Date of Patent: April 1, 2008
    Assignee: Fette GmbH
    Inventors: Jurgen Hinzpeter, Ingo Schmidt, Andreas Groth, Andreas Teetzen, Thomas Pannewitz, Holger Behns
  • Publication number: 20080020082
    Abstract: Press for producing pressed parts from powdered material with a die which may be clamped to a die table arranged in a press frame, in which a mould cavity is configured with a recess, and at least one upper and lower punch which cooperate with the mould cavity, the mould cavity being defined by at least one slider, transverse press punch or a movable part of the die, which may be displaced transversely to the vertical axis of the upper and lower punch (main pressing axis), and adjusting drives for the upper and lower punch and the slider and/or the displaceable die part attached in the press frame, characterised in that a sensor measures actual conditions of the adjusting drive for the slider, transverse press punch or the displaceable die part, the actual conditions being compared in a control device with a desired value and the control device actuating the adjusting drive for a slider, the transverse press punch or the displaceable die part via the energy supply to the adjusting drive according to the diffe
    Type: Application
    Filed: April 18, 2007
    Publication date: January 24, 2008
    Inventors: Martin Plucinski, Thomas Pannewitz, Udo Baltruschat, Carsten Jordt, Andreas Groth, Andreas Teetzen, Harald Romer, Jan Naeve, Stephan Mallon
  • Publication number: 20070251369
    Abstract: A press for the manufacture of dimensionally stable compacts from powdered material, characterized by the features of a press frame having vertically adjustable columns and cross-connections, a die retainer plate, at least one upper ram retaining plate, at least one lower ram retaining plate, a guide column outside a press main axis which has two parallel guideways on which all retainer plates are adapted to be guided vertically on one side or be selectively locatable, wherein the lower end of the guide column is fixedly coupled to a frame-mounted lower plate and the upper end is located on the press frame, an upper adjustable drive adapted to be located on the press frame, for the upper retaining plate (34), a lower adjustable drive (68) for the lower retaining plate (38, 40) and the die retainer plate, if desired, and which is fixed to the frame-mounted lower plate.
    Type: Application
    Filed: April 12, 2007
    Publication date: November 1, 2007
    Applicant: Fette GmbH
    Inventors: Udo Baltruschat, Holger Behns, Carsten Jordt, Jan Naeve, Thomas Pannewitz, Martin Plucinski, Harald Romer
  • Patent number: RE47007
    Abstract: The invention relates to a press for producing pellets from powdered material comprising at least one die with a mold cavity imaging the pellet, at least one upper punch and at least one lower punch that interact with the mold cavity to form the pellet, and at least one electric drive for driving the upper punch, and/or the lower punch, and/or the die along a main press axis, wherein the press also comprises at least one movable element acting on the die and/or the mold cavity of the die, wherein at least one electro-hydrostatic drive is provided to drive the at least one movable element.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: August 28, 2018
    Assignee: Fette Compacting GmbH
    Inventors: Thomas Pannewitz, Holger Behns