Patents Assigned to Maschinenfabrik Koppern FmbH & Co. KG
  • Patent number: 4521177
    Abstract: A multiple injection moulding apparatus for making parisons for blow molding bottles, the mould having a plate fixed on the nozzle side of the injection moulding machine on which outer moulds, each in a separate housing, are mounted with their faces against the plate. An independent pair of mould end plates is allotted to each outer mould with, in each case, a separate guide which extends at right angles to the direction of opening of the injection mould. In addition a common hydraulic drive to open and close the pairs of mould end plates is provided for a plurality of said pairs of mould end plates arranged adjacent each other.
    Type: Grant
    Filed: April 5, 1984
    Date of Patent: June 4, 1985
    Assignee: Maschinenfabrik Koppern FmbH & Co. KG
    Inventors: Michael G. Blank, Horst E. Hammerschmidt