Patents by Inventor L. Edward Hyder

L. Edward Hyder 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).

  • Assembly for severing sheet material
    Patent number: 5140882
    Abstract: A cut and score die apparatus is provided for progressively converting a sheet of material into blanks. The apparatus includes a punching section for punching scrap material from the sheet of material to define an array of interconnected blanks arranged in a grid of rows and columns on the sheet of material. A scoring section is provided for simultaneously scoring a first predetermined pattern on a trailing portion of a first row of blanks and a second predetermined pattern on the leading portion of a second, succeeding row of blanks on the sheet of material. A blanking section is also provided for piercing the sheet of material in a predetermined pattern to cut blanks from the sheet of material without producing any additional scrap material.
    Type: Grant
    Filed: July 22, 1991
    Date of Patent: August 25, 1992
    Assignee: Peerless Machine & Tool Corporation
    Inventor: L. Edward Hyder
  • Cut and score die apparatus and method
    Patent number: 5052992
    Abstract: A cut and score die apparatus is provided for progressively converting a sheet of material into blanks. The apparatus includes a punching section for punching scrap material from the sheet of material to define an array of interconnected blanks arranged in a grid of rows and columns on the sheet of material. A scoring section is provided for simultaneously scoring a first predetermined pattern on a trailing portion of a first row of blanks and a second predetermined pattern on the leading portion of a second, succeeding row of blanks on the sheet of material. A blanking section is also provided for piercing the sheet of material in a predetermined pattern to cut blanks from the sheet of material without producing any additional scrap material.
    Type: Grant
    Filed: February 6, 1990
    Date of Patent: October 1, 1991
    Assignee: Peerless Machine & Tool Corporation
    Inventor: L. Edward Hyder