Patents by Inventor Helmuth Langel

Helmuth Langel 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).

  • Patent number: 5303453
    Abstract: A textile machine is provided with apparatus for preparing the trailing end of a lap and a leading end of a fresh lap so that each end has a reduced fiber mass per unit length of lap in the prepared end. These lap ends are thereafter superimposed and joined together for subsequent processing in a combing unit of a combing machine or a drafting unit of a ribbon lap machine. The respective ends of the two laps may be prepared by a tearing action caused by clamping of the respective lap end between two spaced apart nip lines which are moved away from each other and wherein the spacing is slightly more than the length of the longest fiber in the lap. Preparation of a lap end may also be accomplished using a suction head for clamping of a lap along a nip line in order to carry out tearing of the lap to produced a prepared end.
    Type: Grant
    Filed: January 6, 1992
    Date of Patent: April 19, 1994
    Assignee: Rieter Machine Works, Ltd.
    Inventors: Helmuth Langel, Heinz Clement, Gian-Carlo Mondini, Fredy Wichtermann, Oliver Wuest
  • Patent number: 5077865
    Abstract: A textile machine is provided with apparatus for preparing the trailing end of a lap and a leading end of a fresh lap so that each end has a reduced fiber mass per unit length of lap in the prepared end. These lap ends are thereafter superimposed and joined together for subsequent processing in a combing unit of a combing machine or a drafting unit of a ribbon lap machine. The respective ends of the two laps may be prepared by a tearing action caused by clamping of the respective lap end between two spaced apart nip lines which are moved away from each other and wherein the spacing is slightly more than the length of the longest fiber in the lap. Preparation of a lap end may also be accomplished using a suction head for clamping of a lap along a nip line in order to carry out tearing of the lap to produced a prepared end.
    Type: Grant
    Filed: April 5, 1991
    Date of Patent: January 7, 1992
    Assignee: Rieter Machine Works, Ltd.
    Inventors: Gian-Carlo Mondini, Fredy Wichtermann, Helmuth Langel, Heinz Clement, Oliver Wuest
  • Patent number: 5027475
    Abstract: A textile machine is provided with apparatus for preparing the trailing end of a lap and a leading end of a fresh lap so that each end has a reduced fiber mass per unit length of lap in the prepared end. These lap ends are thereafter superimposed and joined together for subsequent processing in a combing unit of a combing machine or a drafting unit of a ribbon lap machine. The respective ends of the two laps may be prepared by a tearing action caused by clamping of the respective lap end between two spaced apart nip lines which are moved away from each other and wherein the spacing is slightly more than the length of the longest fiber in the lap. Preparation of a lap end may also be accomplished using a suction head for clamping of a lap along a nip line in order to carry out tearing of the lap to produced a prepared end.
    Type: Grant
    Filed: July 16, 1990
    Date of Patent: July 2, 1991
    Assignee: Rieter Machine Works, Ltd.
    Inventors: Gian-Carlo Mondini, Fredy Wichtermann, Helmuth Langel, Heinz Clement, Oliver Wuest