Patents by Inventor Harold Dallmann

Harold Dallmann 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 intermediate yarn storage during renewed spun thread joining
    Patent number: 5327712
    Abstract: In a textile spinning apparatus a yarn joining device (12) begins to work to join the end of a newly spun yarn with a retrieved yarn end after the breakage of a yarn (2). During the joining process draw-off rollers (3) continue, to supply the yarn (2) such that yarn storage members (4, 11) have to be implemented during the joining process. In order to draw the yarn (2) into the interior of the yarn storage members (4, 11), air suction is applied in a known manner. After the yarn (2) joining process is completed in the yarn joining device (12), the yarn storage members (4, 11) are successively emptied by use of an acceleration in yarn draw off speed effected by a yarn storage draw-off roller (7) and an auxiliary friction roller (14).
    Type: Grant
    Filed: July 21, 1992
    Date of Patent: July 12, 1994
    Assignee: Maschinenfabrik Rieter AG
    Inventors: Harold Dallmann, Martin Werder, Ernst Ott