Patents by Inventor Steve A. Kovacs

Steve A. Kovacs 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: 4515842
    Abstract: A blow molded hollow plastic article having openings at both ends. One of those openings is a main opening and a secondary opening defined by an angled passageway is provided adjacent the main opening. The article is blow molded in a single operation by a method which includes the step of laterally stretching a tubular parison from which the article is to be molded so as to receive a primary mandrel for forming said opening and a secondary mandrel for forming the passageway. Air is introduced into the parison through the secondary mandrel to form the inner end portion of the passageway while the parison is expanded to conform to the shape of the mold.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: May 7, 1985
    Assignee: Supreme Casting & Tooling
    Inventor: Steve A. Kovacs
  • Patent number: 4396574
    Abstract: The disclosure relates to a method and apparatus for blow moulding hollow plastic articles each having at an end thereof, a main opening and a secondary opening defined by an angled passageway. The method includes the step of laterally stretching a tubular parison from which the article is to be moulded so as to receive a primary mandrel for forming said opening and a secondary mandrel for forming the passageway. Air is introduced into the parison through the secondary mandrel to form the inner end portion of the passageway while the parison is expanded to conform to the shape of the mould.
    Type: Grant
    Filed: April 30, 1981
    Date of Patent: August 2, 1983
    Assignee: Supreme Casting & Tooling
    Inventor: Steve A. Kovacs