Patents by Inventor Roland Bieselt

Roland Bieselt 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).

  • Fixture for machining the cutting line of a pipe
    Patent number: 4689863
    Abstract: Fixture for machining the cutting line of a pipe, including a centering device insertible into an end section of the pipe, the centering device including a clamping system having pressure pieces with pressure surfaces formed thereon, the pressure pieces being disposed about the longitudinal axis of the centering device, and a pressure motor for driving the pressure pieces in radial direction of the pipe, for maintaining an equal distance between each of the pressure surfaces and the longitudinal axis of the centering device and for holding the centering device in the pipe with the clamping system, and a coupling device disposed at an end of the centering device along the longitudinal axis thereof for mounting an accessory device.
    Type: Grant
    Filed: May 24, 1984
    Date of Patent: September 1, 1987
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventors: Robert Weber, Roland Bieselt, Siegfried Forner, Helmut Mechtold