Patents by Inventor Hans Lassnig

Hans Lassnig 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: 8151681
    Abstract: An endless rotation hoop knife for a splitting machine including a front end embodied as a cutting edge and at least two openings for accommodating retaining members. The invention also discloses a transport device for a rotation hoop knife, including a housing and at least two retaining members which are configured to engage in openings in the rotation hoop knife. The invention further relates to methods for safe mounting and dismantling of a rotation hoop knife, in particular of a sharp rotation hoop knife. Due to the rotation hoop knife being provided with openings for accommodating retaining members, it is now possible for the rotation hoop knife by to be held by retaining members which engage the openings. In this way, when the rotation hoop knife is released on the splitting machine, the rotation hoop knife is reliably held by the retaining members which engage the openings.
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: April 10, 2012
    Assignee: Fortuna Spezialmaschinen GmbH
    Inventors: Hans Lassnig, Markus Hoffmann
  • Publication number: 20080085824
    Abstract: The invention discloses a device for folding and bonding plastic-laminated pre-cut blanks, in particular PE-laminated cardboard packages for beverages, comprising a peeling station for selectively peeling off a plastic lamination of a pre-cut blank; a creasing station for production of a folding line in a blank; a heating station for selectively heating up a plastic lamination on a blank that is to be bonded; a folding station for folding a blank about a folding line; a pressing station for pressing and bonding a folded blank; and conveying means for conveying blanks through the stations. The heating station comprises a burner having an oblong burner chamber which is provided on its top with a series of flame openings arranged one behind the other in the axial direction, for permitting flames to exit the chamber, and a liquid cooling system.
    Type: Application
    Filed: September 28, 2007
    Publication date: April 10, 2008
    Applicants: FORTUNA SPEZIALMASCHINEN GMBH, INTERNATIONAL PAPER BOX MACHINE COMPANY
    Inventors: Dieter Sprandel, Hans Lassnig, Markus Hoffmann, Werner Wattinger
  • Publication number: 20070240553
    Abstract: An endless rotation hoop knife for a splitting machine is disclosed comprising a front end embodied as a cutting edge and at least two openings for accommodating retaining members. The invention also discloses a transport device for a rotation hoop knife, comprising a housing and at least two retaining members which are configured to engage in openings in the rotation hoop knife. The invention further relates to methods for safe mounting and dismantling of a rotation hoop knife, in particular of a sharp rotation hoop knife. Due to the rotation hoop knife being provided with openings for accommodating retaining members, it is now possible for the rotation hoop knife by to be held by retaining members which engage the openings. In this way, when the rotation hoop knife is released on the splitting machine, the rotation hoop knife is reliably held by the retaining members which engage the openings.
    Type: Application
    Filed: March 30, 2007
    Publication date: October 18, 2007
    Inventors: Hans Lassnig, Markus Hoffmann