Patents by Inventor Dietmar Rohleder

Dietmar Rohleder 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: 9802231
    Abstract: The invention relates to a bending and balancing device for axially shiftable work rolls (10, 10?) of a rolling mill, especially of a four-high rolling mill, guide blocks (2) being provided at both sides in the window of every mill housing (1) on the level of the work roll inserts (3, 3?) and the force of bending and balancing cylinders (5) being transmissible onto the work roll inserts that are guided in the axial direction and so as to be shiftable in the vertical direction. The guide blocks are subdivided into respective upper and lower guide blocks (2, 2?), the upper guide blocks (2) are mounted in the mill housing window so as to be vertically shiftable, the lower guide blocks (2?) are mounted in the mill housing window so as to be fixed or so as to be vertically shiftable, and a bending and balancing cylinder (5) is arranged in every of the associated upper and lower guide blocks and is guided by the same and engages with the upper and the lower work roll insert.
    Type: Grant
    Filed: January 22, 2010
    Date of Patent: October 31, 2017
    Assignee: SMS GROUP GMBH
    Inventors: Wolfgang Fuchs, Dietmar Rohleder
  • Publication number: 20110283763
    Abstract: The invention relates to a bending and balancing device for axially shiftable work rolls (10, 10?) of a rolling mill, especially of a four-high rolling mill, guide blocks (2) being provided at both sides in the window of every mill housing (1) on the level of the work roll inserts (3, 3?) and the force of bending and balancing cylinders (5) being transmissible onto the work roll inserts that are guided in the axial direction and so as to be shiftable in the vertical direction. The guide blocks are subdivided into respective upper and lower guide blocks (2, 2?), the upper guide blocks (2) are mounted in the mill housing window so as to be vertically shiftable, the lower guide blocks (2?) are mounted in the mill housing window so as to be fixed or so as to be vertically shiftable, and a bending and balancing cylinder (5) is arranged in every of the associated upper and lower guide blocks and is guided by the same and engages with the upper and the lower work roll insert.
    Type: Application
    Filed: January 22, 2010
    Publication date: November 24, 2011
    Applicant: SMS SIEMAG AKTIENGESELLSCHAFT
    Inventors: Wolfgang Fuchs, Dietmar Rohleder
  • Patent number: 6612145
    Abstract: A leveler for stretcher-leveling of a metal strip or sheet and including a frame, at least two roller leveling units supported in the frame and arranged, respectively, above and below a rolled stock, and a guide for displacing the roller leveling units between their operational position and their roller maintenance and exchange position thereof, with each of the roller leveling units including a roller magazine including at least one leveling roller and having a support unit for supporting the leveling roller and pivotally arranged on the run-in side or the run-out side of the roller magazine for pivotal movement between operational and maintenance and exchange positions.
    Type: Grant
    Filed: June 7, 2001
    Date of Patent: September 2, 2003
    Assignee: SMS Demag AG
    Inventor: Dietmar Rohleder
  • Publication number: 20020046589
    Abstract: A leveler for stretcher-leveling of a metal strip or sheet and including a frame, at least two roller leveling units supported in the frame and arranged, respectively, above and below a rolled stock, and a guide for displacing the roller leveling units between their operational position and their roller maintenance and exchange position thereof, with each of the roller leveling units including a roller magazine including at least one leveling roller and having a support unit for supporting the leveling roller and pivotally arranged on the run-in side or the run-out side of the roller magazine for pivotal movement between operational and maintenance and exchange positions.
    Type: Application
    Filed: June 7, 2001
    Publication date: April 25, 2002
    Inventor: Dietmar Rohleder