Patents by Inventor Thomas Schirmel

Thomas Schirmel 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 the sealing of glass tubes in a hot softened state
    Patent number: 9458045
    Abstract: A method for the sealing of glass tubes in a hot softened state is provided. The method includes softening the glass at a severing zone adjacent to an end portion of the glass tube and rotating the glass tube about its longitudinal axis while being heated until a hot softened state is reached in which the end portion is severed off. The hot softened end portion of the glass tube can be pulled-off from the severing zone by a pulling-off device in such a way that the glass tube is simultaneously heat sealed at the severing zone during the severing process.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: October 4, 2016
    Assignee: SCHOTT AG
    Inventors: Franz Voelkl, Albert Schmid, Thomas Schirmel, Heinz-Josef Henke, Carsten Haman
  • METHOD AND APPARATUS FOR THE SEALING OF GLASS TUBES IN A HOT SOFTENED STATE
    Publication number: 20150197443
    Abstract: A method for the sealing of glass tubes in a hot softened state is provided. The method includes softening the glass at a severing zone adjacent to an end portion of the glass tube and rotating the glass tube about its longitudinal axis while being heated until a hot softened state is reached in which the end portion is severed off. The hot softened end portion of the glass tube can be pulled-off from the severing zone by a pulling-off device in such a way that the glass tube is simultaneously heat sealed at the severing zone during the severing process.
    Type: Application
    Filed: March 27, 2015
    Publication date: July 16, 2015
    Inventors: Franz Voelkl, Albert Schmid, Thomas Schirmel, Heinz-Josef Henke, Carsten Haman