Patents by Inventor William Leasure

William Leasure 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: 4173106
    Abstract: A method is disclosed for opening a folded paper box blank, inserting a product filled container into the opened blank, and closing and sealing the end flaps of the blank. The apparatus for carrying out the method comprises a magazine for storing a vertical pile of the folded blanks, separating cams and feeding rollers for discharging the lowest blank, elongate transport screws, a transfer plate for standing up the discharged blank and delivering the blank to the transport screws, and a cylindrical cam for engaging the sides of the folded blank and, upon rotation thereof, for compressing and hence opening the folded blank thereby forming an opened rectangular box. The apparatus also comprises an endless conveyer system that includes a plurality of carrier trays, each tray for securely holding an opened box and conveying the box to a plurality of stations where the end flaps are folded in and sealed.
    Type: Grant
    Filed: August 3, 1978
    Date of Patent: November 6, 1979
    Assignee: Mira-Pak Inc.
    Inventors: William Leasure, Luis Garcia, Charles Reifel, Jack Shelton
  • Patent number: 4027579
    Abstract: The present invention relates to a method and apparatus for opening folded box blanks so that the opened blank can be filled. Apparatus of one embodiment of the invention comprises a substantially cylindrical cam having an axially and radially progressing spiral cam surface and a plurality of elongated transport screws for supplying, one at a time, folded box blanks to one end of the cam. The blank is opened upon rotation of the cam.
    Type: Grant
    Filed: April 22, 1975
    Date of Patent: June 7, 1977
    Assignee: Mira-Pak, Inc.
    Inventors: William Leasure, Luis Garcia, Charles Reifel, Jack Shelton
  • Patent number: 4024693
    Abstract: Apparatus is disclosed for opening a folded paper box blank, inserting a product filled container into the opened blank, and closing and sealing the end flaps of the blank. The apparatus comprises a magazine for storing a vertical pile of the folded blanks, separating cams and feeding rollers for discharging the lowest blank, elongate transport screws, a transfer plate for standing up the discharged blank and delivering the blank to the transport screws, and a cylindrical cam for engaging the sides of the folded blank and, upon rotation thereof, for compressing and hence opening the folded blank thereby forming an opened rectangular box. The apparatus also comprises an endless conveyor system that includes a plurality of carrier trays, each tray for securely holding an opened box and conveying the box to a plurality of stations where the end flaps are folded in and sealed.
    Type: Grant
    Filed: September 19, 1975
    Date of Patent: May 24, 1977
    Assignee: Mira-Pak, Inc.
    Inventors: William Leasure, Luis Garcia, Charles Reifel, Jack Shelton