Patents by Inventor Bernhard Stalder

Bernhard Stalder 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).

  • Elastomer mixtures for rubber manufacture
    Publication number: 20080310251
    Abstract: A device is disclosed for producing elastomer compounds for use in the production of rubbers. The device may include a mixing extruder with at least one mixing area, and at least one charging area for receiving an elastomer; and at least one dewatering area disposed downstream from the at least one charging area for receiving the elastomer.
    Type: Application
    Filed: July 14, 2008
    Publication date: December 18, 2008
    Applicant: BUHLER AG
    Inventors: Federico Innerebner, Erhard Krumpholz, Christoph Naf, Achim-Philipp Sturm, Bernhard Stalder, Roland Halter
  • Elastomer mixtures for rubber manufacture
    Patent number: 7407611
    Abstract: A method is disclosed for producing elastomer compounds for use in the production of rubbers. At least one elastomer to be processed for the production of an elastomer mixture can be slowly added to a mixer/extruder and is mixed and plasticized and/or masticated (melted) while it passes through the mixer/extruder. The elastomer, when slowly added to the mixer/extruder, can be present in a fluid medium in an evenly distributed form.
    Type: Grant
    Filed: March 12, 2004
    Date of Patent: August 5, 2008
    Assignee: Buhler AG
    Inventors: Federico Innerebner, Erhard Krumpholz, Christoph Näf, Achim-Philipp Sturm, Bernhard Stalder, Roland Halter
  • Elastomer mixtures for rubber manufacture
    Publication number: 20040222543
    Abstract: A method is disclosed for producing elastomer compounds for use in the production of rubbers. At least one elastomer to be processed for the production of an elastomer mixture can be slowly added to a mixer/extruder and is mixed and plasticized and/or masticated (melted) while it passes through the mixer/extruder. The elastomer, when slowly added to the mixer/extruder, can be present in a fluid medium in an evenly distributed form.
    Type: Application
    Filed: March 12, 2004
    Publication date: November 11, 2004
    Applicant: Buhler AG
    Inventors: Federico Innerebner, Erhard Krumpholz, Christoph Naf, Achim-Philipp Sturm, Bernhard Stalder, Roland Halter
  • Method and device for producing printing inks
    Publication number: 20040025750
    Abstract: The invention relates to a method for producing a printing ink or a printing ink concentrate.
    Type: Application
    Filed: May 19, 2003
    Publication date: February 12, 2004
    Inventors: Bernhard Stalder, Roland Halter, Walter Almer, Roland Tschudy
  • Rotatable hopper having twin screws
    Patent number: 6520671
    Abstract: A device for dosing and/or mixing highly viscous and non-flowable materials, especially pigment pastes. The device includes a funnel which revolves about its own axis and a twin screw arranged inside the funnel. The twin screw arranged in a horizontal position in the funnel and contacts the interior wall thereof. This arrangement ensures that all moveable parts of the device mutually strip and clean one another.
    Type: Grant
    Filed: January 31, 2001
    Date of Patent: February 18, 2003
    Assignee: Buhler AG
    Inventors: Roland Halter, Achim Sturm, Bernhard Stalder