Patents by Inventor John F. Bradford, Jr.

John F. Bradford, Jr. 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).

  • Method for making a rolled lip container
    Patent number: 4621513
    Abstract: A process for making a rigid packaging container which contains a "rolled lip" which comprises deforming a sheet of metal, plastic or paper composite material over a mold into a desired formed shape which contains a "lip", advancing a trimming means from the convex or bottom side of the shape while said shape is supported so that said shape does not deform; and trimming the shape from the convex or bottom side of the shape at a point on the lip of the shape which undercuts the periphery of the shape while, at the same time, forcing open the undercut of the lip of the shape.
    Type: Grant
    Filed: October 28, 1985
    Date of Patent: November 11, 1986
    Assignee: Shell Oil Company
    Inventor: John F. Bradford, Jr.