Patents by Inventor Berthold Kramer

Berthold Kramer 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).

  • Publication number: 20040266596
    Abstract: A roll has a roll body having a central bore and a first end and a second end. Roll necks are flange-mounted to the first and second ends of the roll body, respectively, for supporting the roll body in bearings. At least one compensation weight is eccentrically arranged in the central bore. The at least one compensation weight is adjustable with regard to its mass, an angular position within the roll body, and/or a radial spacing relative to a central axis of the roll body. The at least one compensation weight is adjustable while the roll necks are flange-mounted on the first and second ends.
    Type: Application
    Filed: June 2, 2004
    Publication date: December 30, 2004
    Applicant: Walzen Irle GmbH
    Inventors: Jurgen Kruger, Wolfgang Wiertz, Klaus-Peter Schramm, Berthold Kramer, Ludwig Hellenthal
  • Patent number: 5370177
    Abstract: A thermally regulatable calender roll, e.g. for drying paper webs, can have a roll body centered on a pair of flanged stub shafts whose flange on at least one end of the roll body can be provided with at least one annular groove or chamber communicating with the heating bores of the roll body. The pitch circle of the heating bores is located outwardly of the pitch circle of the bolts attaching the flanges to the roll body and the heating medium is fed through at least one of the stub shafts to the annular groove and the bores.
    Type: Grant
    Filed: January 11, 1994
    Date of Patent: December 6, 1994
    Assignee: Walzen Irle GmbH
    Inventors: Gustav Fey, Klaus-Peter Schramm, Ludwig Hellenthal, Berthold Kramer, Walter Patt, Jaxa Von Schweinichen