Patents by Inventor Ib Groenbjerg

Ib Groenbjerg 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: 6793217
    Abstract: A stacker for stacking labels die-cut from a continuous web by a die cutter into vertical stacks. The stacker is of the kind that includes at least one stacking chute having an upper opening and a number of mainly vertically arranged walls, at least one overlying belt conveyor having a conveyor belt designed with a number of suction holes distributed along the belt and having a lower run with a direction of conveyance running from the die cutter to the stacking chute, and a suction box located above the lower run and connected to a vacuum source communicating with the suction holes of the lower run via the suction box in an area around the die cutter but not in an area around the stacking chute. A channel for receiving the lower run of the conveyor belt or a lower part of this run is designed in at least a front wall of the walls of the stacking chute, seen in the direction of conveyance, said channel is extending in this direction.
    Type: Grant
    Filed: April 8, 2003
    Date of Patent: September 21, 2004
    Inventor: Ib Grønbjerg
  • Patent number: 5398580
    Abstract: A device for cutting through, cutting into, perforating through or perforating into sheet material, such as papers, metal foils or plastic films, more particularly a label material disposed on a backing material which is not to be impaired, by means of a cutting disk which is to be detachably and coaxially clamped between a dolly disk and a pressure disk and the outside diameter of which is somewhat greater than the outside diameter of the dolly disk and of the pressure disk. The cutting disk is of such small thickness that the cutting work or perforating work can be carried out with its peripheral surface.
    Type: Grant
    Filed: February 8, 1994
    Date of Patent: March 21, 1995
    Assignee: Gerhardt International A/S
    Inventors: Joergen Gerhardt, Ib Groenbjerg
  • Patent number: 5309792
    Abstract: A device is disclosed for cutting through, cutting into, perforating through or perforating into sheet material, such as papers, metal foils or plastic films, more particularly a label material disposed on a backing material which is not to be impaired, by means of a cutting disk which is to be detachably and coaxially clamped between a dolly disk and a pressure disk and the outside diameter of which is somewhat greater than the outside diameter of the dolly disk and of the pressure disk. The cutting disk is of such small thickness that the cutting work or perforating work can be carried out with its peripheral surface. To manufacture the device, the cutting disk are circularly ground, etched, dried, and then placed on a shaft for grinding or milling grooves into their peripheries.
    Type: Grant
    Filed: July 1, 1993
    Date of Patent: May 10, 1994
    Assignee: Gerhardt International A/S
    Inventors: Joergen Gerhardt, Ib Groenbjerg