Patents by Inventor Lennart Wiklund

Lennart Wiklund 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: 8033975
    Abstract: A folding unit for corrugated cardboard sheets, the folding unit comprising an inlet and an outlet, a pair of parallel and laterally dispiaceable folding beams, a pair of folding rules arranged under respective folding beams, a par of folding rods fixedly positioned outside respective folding rules and at angle to the respective folding rules, a pair of folding belts arranged under and cooperating with a respective pair of folding rules, a means for supplying and folding two outermost panels of the corrugated cardboard sheet from 0°-90° at the inlet of the folding unit and 90°-180° at the outlet of the folding unit, a pair of wheel stands engaged with respective folding belts, a means for adjusting an angle of said wheel stands to ihe associated conveying belt, and a means for fine adjustment of the angular settings of the wheel stands.
    Type: Grant
    Filed: September 1, 2006
    Date of Patent: October 11, 2011
    Assignee: Berg Industries AB
    Inventor: Lennart Wiklund
  • Publication number: 20090264271
    Abstract: A folding unit for corrugated cardboard sheets (18) in inline production of corrugated cardboard boxes, comprising a pair of parallel and laterally displaceable folding beams (1, 2) each with an endless conveying belt (3, 4), which folding beams extend from the inlet (19) of the folding unit to a pair of rolls (14) at the outlet (20) of the folding unit. A pair of folding rules (5, 6) are arranged under the respective folding beams (1, 2) and extend from the inlet (19) of the folding unit and towards, but not all the way to, the outlet (20) of the folding unit. A pair of folding rods (33, 34) fixedly positioned outside the respective folding rules (5, 6) and at an angle to the respective folding rules are arranged in the folding unit front portion, seen in the conveying direction (15) of the corrugated cardboard sheets.
    Type: Application
    Filed: September 1, 2006
    Publication date: October 22, 2009
    Inventor: Lennart Wiklund
  • Publication number: 20090203509
    Abstract: A folding unit for corrugated board sheets (18) in in-line manufacturing of corrugated board boxes, comprising a pair of parallel and laterally displaceable folding beams (1, 2) with a respective endless conveyor belt (3, 4), which extend from the inlet (19) of the folding unit to a pair of rolls (14) at the outlet (20) of the folding unit. A pair of folding rules (6) are arranged under the respective folding beams (1, 2) and extend from the inlet (19) of the folding unit and towards, but not all the way to, the outlet (20) of the folding unit. A pair of folding bars (33, 34) which are fixedly positioned outside the respective folding rules (6) and at an angle to the respective folding rules are arranged in the front portion of the folding unit, as seen in the transport direction (15) of the corrugated board sheets (18).
    Type: Application
    Filed: February 14, 2007
    Publication date: August 13, 2009
    Inventor: Lennart Wiklund