Patents by Inventor George H. Pirman

George H. Pirman 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: 4159056
    Abstract: A carton conveyor means for receiving cartons directly from a carton erecting and forming machine, and conveying the cartons along a linear path through a series of work stations for filling and sealing the cartons. The conveyor includes a pair of roller chains. Each of the roller chains has attached thereto a plurality of spaced apart metal lug carrier clips which are detachably mounted on the chain. A non-metallic conveyor lug is assembled to each of the lug carrier clips in a snap-in-fashion. The conveyor lugs function to transport the cartons along a pair of carton support rails. The conveyor lugs also function as guide means and bearing means for supporting the conveyor chains.
    Type: Grant
    Filed: April 12, 1977
    Date of Patent: June 26, 1979
    Assignee: Ex-Cell-O Corporation
    Inventors: George H. Pirman, Gregory J. Dwyer, Barry C. Owen, Ivan L. Kauffman
  • Patent number: 3995990
    Abstract: A continuous motion pre-form reheat oven for use with a continuous motion stretch blow molding apparatus. The pre-form reheat oven receives pre-forms, reheats the pre-forms, and then discharges the pre-forms onto a moving stretch pin means operatively mounted on a continuous motion stretch blow molding apparatus, as a rotary type stretch blow molding machine. The oven has a pre-form heating zone and a pre-form conditioning zone, and it is adapted to be mounted adjacent a continuous motion stretch blow molding apparatus. The oven includes a plurality of longitudinal tunnels with heater means along each side of each of the tunnels in the pre-form heating zone. The heater means each includes a plurality of heater rods which are separated by heat reflectors and which are each individually temperature controlled. The oven pre-form conditioning zone includes cooling means for cooling the bodies of pre-forms, and heating means for controlling the heat in the neck areas of the pre-forms.
    Type: Grant
    Filed: March 11, 1974
    Date of Patent: December 7, 1976
    Assignee: Monsanto Company
    Inventors: Gregory J. Dwyer, George H. Pirman