Patents by Inventor Vaclav Hladky

Vaclav Hladky 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).

  • Rolling machine with quick change working rolls
    Patent number: 5069054
    Abstract: The rolls of a rolling mill have working rolls which may be quickly changed, with the associated tools. The rolling machine has an angular trunnion, at least on one end of the working roll, supported in a divided clamping part of a driving shaft having a mating fixture. The other end of the working roll may have a circular trunnion or a non-circular trunnion removably supported by a guiding and supporting shaft.
    Type: Grant
    Filed: August 29, 1989
    Date of Patent: December 3, 1991
    Assignee: Form
    Inventors: Vaclav Hladky, Jiri Prokes
  • Apparatus for cross wedge rolling
    Patent number: 4186583
    Abstract: In order properly to guide a workpiece in the course of cross wedge rolling, there are provided adjustable guide means within the working space of the rolling mill, and means for transmitting a rotary motion to the workpiece prior to the start of the rolling process proper.
    Type: Grant
    Filed: May 8, 1978
    Date of Patent: February 5, 1980
    Assignee: Vyzkumny ustav tvarecich stroju a technologie tvareni
    Inventors: Jan Kovar, Jan Drkal, Jan Zalesak, Vaclav Hladky