Patents Assigned to B.V. Hollandse Plastic Industrie Rotterdam
  • Method of making a plastic cheese mold
    Patent number: 4472339
    Abstract: A cheese mold of polyolefin material having a non-woven inner layer of polyolefin fibers which is heat welded to the mold surface is disclosed. A method for manufacturing the mold is also provided. A non-woven layer of fibers is provided and a liquid mass of plastic is heat sealed thereto by extrusion or injection molding.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: September 18, 1984
    Assignee: B.V. Hollandse Plastic Industrie Rotterdam
    Inventors: Dirk C. H. van der Ploeg, Marinus H. Vellekoop, Hendrik Palte