Patents by Inventor Gerhard Lupnitz

Gerhard Lupnitz 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: 4646402
    Abstract: A stretching machine for webs of textile material includes a feeding region of the machine for receiving a web of material in a given travel direction, a driven drawing-in cylinder for engaging the web of material, mutually and adjustably spaced apart chain tracks being pivotable about vertical axes in the feeding region, endless needle chains each being deflected in a respective one of the chain tracks for running into and out of the web of material, a needle engagement device downstream of the drawing-in cylinder in the given travel direction of the web of material for running the web of material onto the needle chains, a support for the drawing-in cylinder being movable in the given travel direction of the web of material, and a device connected to the support for maintaining a constant distance between the drawing-in cylinder and the needle engagement device.
    Type: Grant
    Filed: May 9, 1985
    Date of Patent: March 3, 1987
    Assignee: A. Monforts GmbH & Co.
    Inventors: Franz-Josef Gierse, Heinrich Hermanns, Gerhard Lupnitz, Manfred Pabst, Heribert Schlicht
  • Patent number: 4621440
    Abstract: A convection drying and/or fixing machine for the thermal treatment of a textile fabric web with a treatment gas includes nozzle boxes above and below the fabric web extending across the width of the fabric web, the nozzle boxes having inlet openings with a given size and shape for receiving the treatment gas and outlet openings for directing the treatment gas onto the fabric web, a pressure chamber directly adjacent the inlet openings for directing the treatment gas into the inlet openings of the nozzle boxes, the pressure chamber having bypass openings with substantially the given size and shape, each of the bypass openings being adjacent a respective one of the inlet openings forming a respective pair of openings, a return flow chamber receiving the treatment gas directly from the bypass opening and circulating the treatment gas to the pressure chamber, and common bypass flaps each being disposed at a respective one of the pair of openings for at least partially closing the openings of the respective pair
    Type: Grant
    Filed: October 9, 1984
    Date of Patent: November 11, 1986
    Assignee: A. Monforts GmbH & Co.
    Inventors: Franz-Josef Gierse, Heinrich Hermanns, Werner Hermes, Gerhard Lupnitz, Manfred Pabst, Heribert Schlicht, Franz-Josef Schroer
  • Patent number: 4615124
    Abstract: A fluff filtering device within a convection drying and/or setting machine for treating a textile material web includes a device for circulating an air stream through the textile material web, a device for heating the air stream, an active filter screen with a frame of a given thickness disposed substantially horizontally in an operating position upstream of the heating device in the air stream for preventing fluff and other deposites from reaching the heating device, the active filter screen being substantially horizontally removable from the machine for cleaning, the active filter screen being upwardly movable into another position by a distance at least equal to the given thickness, and another screen slideable under the active filter screen into the operating position when the active filter screen is in the other position.
    Type: Grant
    Filed: May 9, 1985
    Date of Patent: October 7, 1986
    Assignee: A. Monforts GmbH & Co.
    Inventors: Franz-Josef Gierse, Heinrich Hermanns, Werner Hermes, Gerhard Lupnitz, Manfred Pabst, Heribert Schlicht
  • Patent number: 4594796
    Abstract: A convection drying and/or fixing machine having an interior chamber, includes a lint filtering device disposed in the chamber for treating a textile fabric web, including a component for drying and/or fixing the fabric web, means for circulating air in a heated air stream flowing from the fabric web to the component, a filter screen having a given hole size for protecting the component from lint and other deposits, the filter screen being disposed substantially horizontally in an operating position in the air stream from which the filter screen can be horizontally removed and cleaned, and a protective screen having substantially the given hole size, the protective screen being fixed substantially horizontally in place below or downstream of the operating position of the filter screen and above or upstream of the component to be protected in flow direction of the air stream.
    Type: Grant
    Filed: October 9, 1984
    Date of Patent: June 17, 1986
    Assignee: A. Manforts GmbH & Co.
    Inventors: Franz-Josef Gierse, Heinrich Hermanns, Werner Hermes, Gerhard Lupnitz, Manfred Pabst, Heribert Schlicht