Patents by Inventor Erich Gantzert

Erich Gantzert 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).

  • Production of releasably secured sleeve elements
    Publication number: 20010036382
    Abstract: A conical thread structure &agr;1, &agr;2, t is provided to simplify the removal of threads in plastics sleeve elements 1,2,3,4 and to decrease production cost. The radial distance of the thread elements 50,60,51,61 of said thread structure and of the corresponding form tools, which elements being adjacent in translational z or −z direction, are dimensioned such that, when removed E0,E1,E2 of F0,F1 from the mold each thread element “snaps out” only once and does not snap into a second time.
    Type: Application
    Filed: April 9, 2001
    Publication date: November 1, 2001
    Inventors: Werner Lang, Siegbert Vial, Erich Gantzert
  • Production of releasable sleeve sections
    Patent number: 6213666
    Abstract: A conical thread structure &agr;1,&agr;2,t is provided to simplify the removal of threads in plastics sleeve elements 1,2,3,4 and to decrease production cost. The radial distance of the thread elements 50,60,51,61 of said thread structure and of the corresponding form tools, which elements being adjacent in translational z or −z direction, are dimensioned such that, when removed E0,E1,E2 or F0,F1 from the mold each thread element “snaps out” only once and does not snap into a second time.
    Type: Grant
    Filed: November 20, 1998
    Date of Patent: April 10, 2001
    Assignee: Merz & Krell GmbH & Co.
    Inventors: Werner Lang, Siegbert Vial, Erich Gantzert