Patents by Inventor Wolfgang Wiening

Wolfgang Wiening 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).

  • Method and apparatus for evening the sliver produced by a card
    Patent number: 4791706
    Abstract: A method of evening a sliver produced by a carding machine in which a predetermined output rate and draft are set.
    Type: Grant
    Filed: May 21, 1987
    Date of Patent: December 20, 1988
    Assignee: Tr/u/ tzschler GmbH & Co. KG
    Inventors: Wolfgang Wiening, Ulrich Hoffmann, Heinrich Rake
  • Fiber sliver or lap evening apparatus for a carding machine
    Patent number: 4776065
    Abstract: An apparatus for evening a fiber lap fed to a carding machine. The latter has a licker-in, a feed table and a feed roller cooperating with one another in feeding the fiber lap to the licker-in; a drive motor connected to the feed roller; and an arrangement providing for a relative movement of the feed roller and the feed table towards or away from one another as a function of the thickness of the fiber material passing therebetween. There is further provided an excursion measuring device for generating signals representing the magnitude of the relative movement; and a control device connected to the excursion measuring device. The control device is connected to the drive motor for regulating the rpm of the feed roller as a function of the relative motion between feed roller and feed table. A delay device is connected between the excursion measuring device and the control device for delaying transmittal of signals from the excursion measuring device to the control device.
    Type: Grant
    Filed: March 16, 1987
    Date of Patent: October 11, 1988
    Assignee: Trutzschler GmbH & Co. KG
    Inventors: Heinrich Rake, Wolfgang Wiening