Patents by Inventor Reinhard Kupfer

Reinhard Kupfer 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: 7640717
    Abstract: The invention relates to a counter element (22) being adapted to apply a pressure to a first portion of a packaging material in association with heating of the packaging material in order to seal the first portion of the packaging material to a second portion of the packaging material. The element (22) being provided with an abutment surface (23) adapted to at least abut said first portion of the packaging material. The abutment surface (23) is provided with a plurality of indentations (24) adapted to entrap fluid or gas present in the vicinity of the abutment surface (23) and the first portion of the packaging material. The inventions also relates to a method of providing a counter element (22) as described above.
    Type: Grant
    Filed: March 22, 2005
    Date of Patent: January 5, 2010
    Assignee: Tetra Laval Holdings & Finance S.A.
    Inventors: Ebi Shokri, Roland Palmquist, Reinhard Kupfer, Renato Cetrelli
  • Patent number: 7348525
    Abstract: A sealing jaw for manufacturing a sealing seam in a heat-sealable packaging material. The invention furthermore relates to an induction sealing device with a sealing jaw and to a packaging machine with induction sealing device. In order to provide a sealing jaw with which a sealed and durable sealing seam can be produced, even when solid components of the in-filled product are trapped between the jaws that have to be moved towards one another, a sealing jaw is proposed with means of a sealing jaw with a sealing surface that is provided in order to come into contact with the heat-sealable material, and a rod or bar-shaped heating device that is provided in order to heat up the heat-sealable material, wherein a pressure element is provided on the sealing surface, projecting above said sealing surface, and distanced from the heating device.
    Type: Grant
    Filed: September 19, 2003
    Date of Patent: March 25, 2008
    Assignee: Tetra Laval Holdings & Finance S.A.
    Inventors: Reinhard Kupfer, Roland Palmqvist
  • Publication number: 20070251196
    Abstract: The invention relates to a counter element (22) being adapted to apply a pressure to a first portion of a packaging material in association with heating of the packaging material in order to seal the first portion of the packaging material to a second portion of the packaging material. The element (22) being provided with an abutment surface (23) adapted to at least abut said first portion of the packaging material. The abutment surface (23) is provided with a plurality of indentations (24) adapted to entrap fluid or gas present in the vicinity of the abutment surface (23) and the first portion of the packaging material. The inventions also relates to a method of providing a counter element (22) as described above.
    Type: Application
    Filed: March 22, 2005
    Publication date: November 1, 2007
    Applicant: Tetra Laval Holdings & Finance S.A.
    Inventors: Ebi Shokri, Roland Palmquist, Reinhard Kupfer, Renato Cetrelli
  • Publication number: 20060124626
    Abstract: A sealing jaw for manufacturing a sealing seam in a heat-sealable packaging material. The invention furthermore relates to an induction sealing device with a sealing jaw and to a packaging machine with induction sealing device. In order to provide a sealing jaw with which a sealed and durable sealing seam can be produced, even when solid components of the in-filled product are trapped between the jaws that have to be moved towards one another, a sealing jaw is proposed with means of a sealing jaw with a sealing surface that is provided in order to come into contact with the heat-sealable material, and a rod or bar-shaped heating device that is provided in order to heat up the heat-sealable material, wherein a pressure element is provided on the sealing surface, projecting above said sealing surface, and distanced from the heating device.
    Type: Application
    Filed: September 19, 2003
    Publication date: June 15, 2006
    Inventors: Reinhard Kupfer, Roland Palmqvist