Patents Assigned to EOS GmbH Electro Optical Systems
  • Device and method for a layerwise manufacturing of a three-dimensional object from a building material in powder form
    Patent number: 8658078
    Abstract: A method is provided, by which a three-dimensional object is manufactured by a subsequent solidification of layers of a building material in powder form at the positions in the respective layer that corresponds to the cross-section of the object by means of the action of a laser or another energy source, wherein as building material in powder form a material is used which contains the old powder that has remained as unsolidified powder in the manufacturing of one or more previously formed objects and a proportion of new powder that has not been used before in any manufacturing process, characterized in that the building material in powder form is mechanically consolidated when a layer is applied.
    Type: Grant
    Filed: February 14, 2011
    Date of Patent: February 25, 2014
    Assignee: EOS GmbH Electro Optical Systems
    Inventors: Jochen Weidinger, Frank Muller, Florian Pfefferkorn
  • METHOD FOR COATING OBJECTS, IN PARTICULAR SUCH OBJECTS THAT HAVE BEEN MANUFACTURED BY A GENERATIVE MANUFACTURING METHOD
    Publication number: 20130330470
    Abstract: A method for coating the surfaces of three-dimensional objects with a coating agent is provided, which method is characterized by a blasting of the three-dimensional object, wherein a grainy blasting material that has been mixed with the coating agent is used as blasting medium.
    Type: Application
    Filed: October 10, 2011
    Publication date: December 12, 2013
    Applicant: EOS GMBH ELECTRO OPTICAL SYSTEMS
    Inventors: Mandy Gersch, Ilhan Tuncer, Andreas Hotter, Florian Pfefferkorn
  • Apparatus for manufacturing a three-dimensional object layer by layer
    Patent number: 8525071
    Abstract: An apparatus for manufacturing a three-dimensional object (3) by applying and solidifying a powdery constituent material (3a) layer by layer at positions corresponding to the respective cross sectional area of the object (3) in the respective layer by exposure to a laser (7) or another energy source comprises a heating or cooling element (22) supplying heat to or removing heat away from the constituent material (3a) applied layer by layer. For smoothing the temperature distribution, an intermediate layer (23) having a highly anisotropic heat conductivity is provided.
    Type: Grant
    Filed: July 1, 2009
    Date of Patent: September 3, 2013
    Assignee: EOS GmbH Electro Optical Systems
    Inventor: Martin Leuterer
  • Method for manufacturing a three-dimensional object
    Patent number: 8501075
    Abstract: Method of manufacturing a three-dimensional object according to which the object is built layer-wise by solidification of a building material, wherein a test specimen is built which is excited to oscillate after being built and wherein natural frequencies of the oscillations are determined.
    Type: Grant
    Filed: November 24, 2010
    Date of Patent: August 6, 2013
    Assignee: EOS GmbH Electro Optical Systems
    Inventors: Jochen Philippi, Alexander Schilling
  • METHOD OF MANUFACTURING A THREE-DIMENSIONAL OBJECT HAVING AN INTERNAL STRUCTURE
    Publication number: 20130171019
    Abstract: Method of manufacturing a three-dimensional object of a building material by an additive layer-wise building method, wherein based on material parameters of the building material and predetermined characteristics of the object to be manufactured, an internal structure of the object having a grid structure calculated, and the three-dimensional object is manufactured with this internal structure by the additive layer-wise building method, so that it comprises the predetermined characteristics.
    Type: Application
    Filed: September 5, 2011
    Publication date: July 4, 2013
    Applicant: EOS GMBH ELECTRO OPTICAL SYSTEMS
    Inventors: Monika Gessler, Michael Jan Galba, Johann Oberhofer
  • Influencing specific mechanical properties of three-dimensional objects manufactured by a selective sintering by means of electromagnetic radiation from a powder comprising at least one polymer or copolymer
    Patent number: 8420001
    Abstract: A three-dimensional object is manufactured from a powder of polymer material by selective sintering process by means of electromagnetic radiation of the powder, wherein the powder comprises a preselected polymer or copolymer and is subjected to selective sintering such that the manufactured three-dimensional object has a final crystallinity which is in such a range that the balance of properties, in particular mechanical properties including Young's modulus, tensile strength and elongation at break, is improved.
    Type: Grant
    Filed: May 18, 2009
    Date of Patent: April 16, 2013
    Assignee: EOS GmbH Electro Optical Systems
    Inventors: Martin Leuterer, Andreas Pfister, Frank Mueller, Alan Wood, Brian Wilson, Horst Sandner
  • Method and device for producing a 3D object by means of a generative 3D-method
    Patent number: 8414281
    Abstract: Method and device for producing a 3D object by means of a generative 3D-method, for example, selective laser sintering (SLS) and selective laser melting (SLM). An infrared sensor can be cross-flown by a tempered fluid in order to prevent the infrared sensor, which is provided in the process chamber of the device, from being impaired by monomer deposits, oligomers or solid material particles during the construction thereof.
    Type: Grant
    Filed: June 27, 2006
    Date of Patent: April 9, 2013
    Assignee: EOS GmbH Electro Optical Systems
    Inventors: Peter Schleiss, Gideon Levy
  • Device for a layerwise manufacturing of a three-dimensional object
    Patent number: 8366432
    Abstract: A device (1) for manufacturing a three-dimensional object by a layerwise solidification of a building material at positions in the respective layers that correspond to the object is provided. The device comprises a machine frame (2, 3, 4, 5) and a building space (10) that is arranged in the machine frame. In the building space (10) there are arranged: an application device (27) that applies layers of the building material onto a support device (26) and a previously applied layer, respectively, by an application element (61); a dosage device (28, 29) that provides building material for the application device (27) for an application, and a heating device (31) for heating the applied layers of the building material. The application element (61) and/or the dosage device (28, 29) and/or the heating device (31) are removable from the building space (10) without a tool.
    Type: Grant
    Filed: November 21, 2007
    Date of Patent: February 5, 2013
    Assignee: EOS GmbH Electro Optical Systems
    Inventors: Hans Perret, Thomas Halder, Matthias Osterried
  • Frame for a device for manufacturing a three-dimensional object and device for manufacturing a three-dimensional object by such a frame
    Patent number: 8317508
    Abstract: The present invention relates to a frame (1) of a device for manufacturing a three-dimensional object (3). The device manufactures the three-dimensional object (3) by solidifying a powder or liquid building material (3a) layer by layer at locations in each layer corresponding to the cross-section of the object (3) to be manufactured in a building space. The building space is defined by the frame (1) and a platform (2) inside the frame (1), wherein the frame (1) comprises at the inner side facing the building space glass ceramic plates.
    Type: Grant
    Filed: October 13, 2009
    Date of Patent: November 27, 2012
    Assignee: EOS GmbH Electro Optical Systems
    Inventors: Attila Bokodi, Martin Leuterer
  • Powder for rapid prototyping and associated production method
    Patent number: 8313087
    Abstract: Described are powders for use in the production of three-dimensional structures or molded bodies by means of layered manufacturing methods, and methods for the economical production thereof. The powders have the particularity that they have a good flow behavior, on the one hand, and that they are simultaneously configured such that the molded body produced with the powder in rapid prototyping has substantially improved mechanical and/or thermal characteristics. In accordance with a particularly advantageous embodiment, the powder comprises a first fraction that is present in the form of substantially spherical powder particles and that is formed by a matrix material, and at least one further fraction in the form of strengthening and/or reinforcing fibers that are preferably embedded into the matrix material.
    Type: Grant
    Filed: March 21, 2005
    Date of Patent: November 20, 2012
    Assignee: EOS GmbH Electro Optical Systems
    Inventors: Peter Hesse, Tillmann Paul, Richard Weiss
  • Method of manufacturing a three-dimensional object
    Patent number: 8303886
    Abstract: A method of manufacturing a three-dimensional object is disclosed, in which the object is solidified layer by layer by solidifying a building material by means of a beam of a gas laser at locations in each layer corresponding to the cross section of the object, wherein the power of the laser is measured and the power of the laser is controlled according to the measured value. The power measurement takes place in a time window, in which a change of the power occurs, and an input control signal of the laser is controlled according to the measured values.
    Type: Grant
    Filed: December 19, 2008
    Date of Patent: November 6, 2012
    Assignee: EOS GmbH Electro Optical Systems
    Inventor: Jochen Philippi
  • PAEK powder, in particular for the use in a method for a layer-wise manufacturing of a three-dimensional object, as well as method for producing it
    Patent number: 8299208
    Abstract: By a temper treatment a polyaryletherketone powder is processed such that it is particularly suited for the use in a method for a layer-wise manufacturing of a three-dimensional object. To this effect the powder is tempered at a temperature that is at least 20° C. above the glass transition temperature for at least 30 minutes before it is used as building material.
    Type: Grant
    Filed: November 4, 2010
    Date of Patent: October 30, 2012
    Assignee: EOS GmbH Electro Optical Systems
    Inventors: Frank Müller, Andreas Pfister, Martin Leuterer
  • Device For A Layerwise Manufacturing Of A Three-Dimensional Object And Method For Supplying A Building Material
    Publication number: 20120267813
    Abstract: A device (1) for manufacturing a three-dimensional object by a layer wise solidification of a building material at positions in the respective layers that correspond to the object is provided. A feed (96) that supplies the building material to a building space (10) in the device (1) and at least two filler portions (98a, 98b) that are provided at the feed (96) and are independent from one another are provided, wherein one connector (99a, 99b) is provided for each building material supply container (100a, 100b) in order to supply the building material from outside of the device (1).
    Type: Application
    Filed: May 24, 2012
    Publication date: October 25, 2012
    Applicant: EOS GMBH ELECTRO OPTICAL SYSTEMS
    Inventors: Hans Perret, Thomas Halder, Jochen Philippi, Peter Keller, Gerd Cantzler, Michael Göth, Siegfried Schimitzek, Andrea Weichselbaumer
  • Method of providing an identifiable powder amount and method of manufacturing an object
    Patent number: 8260447
    Abstract: In a method of providing a material amount for a generative manufacturing method, a three-dimensional object (2) is formed by selectively solidifying layers of a material at locations corresponding to the cross-section of the object (2) in the respective layers. The quality of the manufactured objects is reproducibly recorded, thus, improving the method. At least one first material amount of a powder is provided, which is characterized by at least one feature. Data is detected, which relates to the at least one feature of the first material. Then, the data is stored, which relates to the at least one feature of the first material. Thus, the method can provide an identifiable powder amount used in manufacturing each layer of the object.
    Type: Grant
    Filed: December 1, 2009
    Date of Patent: September 4, 2012
    Assignee: EOS GmbH Electro Optical Systems
    Inventors: Thomas Mattes, Ludger Hümmeler, Markus Frohnmaier
  • Device for a layerwise manufacturing of a three-dimensional object
    Patent number: 8186990
    Abstract: A device (1) for manufacturing a three-dimensional object by a layer wise solidification of a building material at positions in the respective layers that correspond to the object is provided. A feed (96) that supplies the building material to a building space (10) in the device (1) and at least two filler portions (98a, 98b) that are provided at the feed (96) and are independent from one another are provided, wherein one connector (99a, 99b) is provided for each building material supply container (100a, 100b) in order to supply the building material from outside of the device (1).
    Type: Grant
    Filed: November 21, 2007
    Date of Patent: May 29, 2012
    Assignee: EOS GmbH Electro Optical Systems
    Inventors: Hans Perret, Thomas Halder, Jochen Philippi, Peter Keller, Gerd Cantzler, Michael Göth, Siegfried Schimitzek, Andrea Weichselbaumer
  • PAEK POWDER, IN PARTICULAR FOR THE USE IN A METHOD FOR A LAYER-WISE MANUFACTURING OF A THREE-DIMENSIONAL OBJECT, AS WELL AS METHOD FOR PRODUCING IT
    Publication number: 20120114848
    Abstract: By a temper treatment a polyaryletherketone powder is processed such that it is particularly suited for the use in a method for a layer-wise manufacturing of a three-dimensional object. To this effect the powder is tempered at a temperature that is at least 20° C. above the glass transition temperature for at least 30 minutes before it is used as building material.
    Type: Application
    Filed: November 4, 2010
    Publication date: May 10, 2012
    Applicant: EOS GMBH ELECTRO OPTICAL SYSTEMS
    Inventors: Frank M¿ller, Andreas Pfister, Martin Leuterer
  • Device and method for producing a three-dimensional object by means of a generative production method
    Patent number: 8172562
    Abstract: There are provided a device and a method for layer-wise generative manufacturing of three-dimensional objects by selective solidification of a solidifiable building material in liquid or powder form. By a rotational movement of the building region (2), in which the objects are manufactured, with respect to a material application device (7) for applying layers of the building materials and a solidification arrangement (1) the material application device (7) and the solidification arrangement (1) can be used simultaneously at different places in the building region.
    Type: Grant
    Filed: July 31, 2003
    Date of Patent: May 8, 2012
    Assignee: EOS GmbH Electro Optical Systems
    Inventor: Thomas Mattes
  • METHOD OF GENERATIVELY MANUFACTURING A THREE-DIMENSIONAL OBJECT WITH BROACHING ELEMENTS AND METHOD OF GENERATING A CORRESPONDING DATA SET
    Publication number: 20120107496
    Abstract: The present invention relates to a method of generatively manufacturing a three-dimensional object (3) by means of a device, comprising the following steps: a) layerwise applying a powdery material (11) onto a support (5) of the device or a previously applied layer; b) selectively solidifying the powdery material (11) by energetic radiation (8?) at locations corresponding to the cross-section of the object (3) in the layer, c) repeating the steps a) and b) until the object (3) is completed. The object (3) has at least one cavity (13), which opens to an opening (14) at the surface of the object (3), and the powdery material (11) is solidified such that a broaching member (12) is formed, which extends in the cavity (13) and can be withdrawn through the opening (14) from the cavity. The invention also relates to an associated method of generating a data set of the three-dimensional object (3).
    Type: Application
    Filed: May 2, 2011
    Publication date: May 3, 2012
    Applicant: EOS GmbH Electro Optical Systems
    Inventor: Axel Thoma
  • Device For Processing Powder For A Device For Manufacturing A Three-Dimensional Object And Device For Manufacturing A Three-Dimensional Object
    Publication number: 20120107438
    Abstract: A device (1) for mixing powder (17) for a device for manufacturing a three-dimensional object comprises a stirring device (4) as well as a pressure-fluid-supply device for fluidizing the powder (17). A device (100) for manufacturing three-dimensional objects (503) is adapted to be connected to the device (100) for mixing powder (17) and it forms a system together with the device (1) for mixing powder (17).
    Type: Application
    Filed: October 18, 2011
    Publication date: May 3, 2012
    Applicant: EOS GMBH ELECTRO OPTICAL SYSTEMS
    Inventors: Attila Bokodi, Thomas Reichel
  • Device for Producing a Three-Dimensional Object
    Publication number: 20120090734
    Abstract: In a device for manufacturing a three-dimensional object by subsequently solidifying a solidifiable material (9) layerwise at the positions corresponding to the cross-section of the object an inner container (201) is inserted in a building container (112) that is present in a building space (3), which inner container can be exchanged. Thereby costs can be saved, because the inner container (201) can have a very simple design.
    Type: Application
    Filed: December 22, 2011
    Publication date: April 19, 2012
    Applicant: EOS GMBH ELECTRO OPTICAL SYSTEMS
    Inventor: Oliver Heinlein