Patents by Inventor Donald M. Pollock

Donald M. Pollock 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: 3963404
    Abstract: A method and apparatus are provided for multiple simultaneous blow molding operations for forming hollow objects such as containers, the method and apparatus employing at least two circumferentially spaced parison forming means with a single rotary indexing turntable. A first container is formed at one station and a second container is formed at about the same time at a second station circumferentially spaced from the first station, and the containers are simultaneously circumferentially transferred to an unloading station. The method and apparatus provide for multiple container forming and unloading operations on the same turntable. Different containers may be manufactured at the same time with one rotary indexing turntable.
    Type: Grant
    Filed: July 17, 1974
    Date of Patent: June 15, 1976
    Assignee: Consupak, Inc.
    Inventors: Donald M. Pollock, Fulton W. Hallowell
  • Patent number: 3954370
    Abstract: A method and apparatus are provided for multiple simultaneous blow molding operations for forming hollow objects such as containers, the method and apparatus employing at least two circumferentially spaced parison forming means with a single rotary indexing turntable. A first container is formed at one station and a second container is formed at about the same time at a second station circumferentially spaced from the first station, and the containers are simultaneously circumferentially transferred to an unloading station. The method and apparatus provide for multiple container forming and unloading operations on the same turntable. Different containers may be manufactured at the same time with one rotary indexing turntable.
    Type: Grant
    Filed: July 18, 1974
    Date of Patent: May 4, 1976
    Assignee: Consupak, Inc.
    Inventors: Donald M. Pollock, Fulton W. Hallowell
  • Patent number: 3941863
    Abstract: A method is provided for multiple simultaneous blow molding operations for forming hollow objects such as containers, the method employing at least two circumferentially spaced parison forming means with a single rotary indexing turntable. A first container is formed at one station and a second container is formed at about the same time at a second station circumferentially spaced from the first station, and the containers are simultaneously circumferentially transferred to an unloading station. The method provide for multiple container forming and unloading operations on the same turntable. Different containers may be manufactured at the same time with one rotary indexing turntable.
    Type: Grant
    Filed: July 17, 1974
    Date of Patent: March 2, 1976
    Assignee: Consupak, Inc.
    Inventors: Donald M. Pollock, Fulton W. Hallowell
  • Patent number: 3936521
    Abstract: A method is provided for multiple simultaneous blow molding operations for forming hollow objects such as containers, the method employing at least two circumferentially spaced parison forming means with a single rotary indexing turntable. A first container is formed at one station and a second container is formed at about the same time at a second station circumferentially spaced from the first station, and the containers are simultaneously circumferentially transferred to an unloading station. The method provides for multiple container forming and unloading operations on the same turntable. Different containers may be manufactured at the same time with one rotary indexing turntable.
    Type: Grant
    Filed: July 18, 1974
    Date of Patent: February 3, 1976
    Assignee: Consupak, Inc.
    Inventors: Donald M. Pollock, Fulton W. Hallowell