Patents by Inventor Rahlf Henning Nielsen

Rahlf Henning Nielsen 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: 9205485
    Abstract: Molding chamber arrangement (1) for a mold-string plant comprising a molding chamber (2) formed by a chamber bottom (3), a chamber ceiling (4) provided with one or more sand filling openings (22) communicating with a sand-feed system (14), two chamber side walls (5), a pressure plate (6) provided with an exchangeable pressure pattern plate having a pressure pattern (8) and being connected to a movement mechanism (9), a swingable plate (10) provided with an exchangeable swing pattern plate having a swing pattern (12) and being mounted for translational and swinging movement in order to open and close the molding chamber (2), allowing the pressure plate (6) to expel the produced molds, and further comprising means (13) for vertically moving the chamber ceiling (4) and sand-feed system (14) in unison, or the chamber bottom (3), or both, relative to the remainder of the molding chamber arrangement (1), thereby changing the height of the molding chamber.
    Type: Grant
    Filed: January 25, 2011
    Date of Patent: December 8, 2015
    Assignee: DISA INDUSTRIES A/S
    Inventors: Jørn Johansen, Rahlf Henning Nielsen
  • Publication number: 20130161862
    Abstract: Moulding chamber arrangement (1) for a mould-string plant comprising a moulding chamber (2) formed by a chamber bottom (3), a chamber ceiling (4) provided with one or more sand filling openings (22) communicating with a sand-feed system (14), two chamber side walls (5), a pressure plate (6) provided with an exchangeable pressure pattern plate having a pressure pattern (8) and being connected to a movement mechanism (9), a swingable plate (10) provided with an exchangeable swing pattern plate having a swing pattern (12) and being mounted for translational and swinging movement in order to open and close the moulding chamber (2), allowing the pressure plate (6) to expel the produced moulds, and further comprising means (13) for vertically moving the chamber ceiling (4) and sand-feed system (14) in unison, or the chamber bottom (3), or both, relative to the remainder of the moulding chamber arrangement (1), thereby changing the height of the moulding chamber.
    Type: Application
    Filed: January 25, 2011
    Publication date: June 27, 2013
    Applicant: DISA INDUSTRIES A/S
    Inventors: Jørn Johansen, Rahlf Henning Nielsen