Patents Assigned to Osterreichische Schiffswerften Aktiengellschaft Linz-Korneuburg
  • Apparatus for producing undercut tubular synthetic plastic articles
    Patent number: 4521178
    Abstract: Undercut tubular synthetic plastic articles, such as fittings, are formed in the mold cavity of an injection molding machine on a one- or two-piece core a portion of which is surrounded by the undercut portion of the article and a first smaller-diameter portion at one side of the undercut portion. If the core consists of two components, a cylindrical component of the core slidably guides the aforementioned portion and is surrounded by a second smaller-diameter portion of the article at the other side of the undercut portion.
    Type: Grant
    Filed: July 24, 1981
    Date of Patent: June 4, 1985
    Assignee: Osterreichische Schiffswerften Aktiengellschaft Linz-Korneuburg
    Inventor: Anton Anger