Patents by Inventor Robert F. King

Robert F. King 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).

  • Ridged container closure
    Patent number: 4779748
    Abstract: A plastic container lid which has a small ridge protruding from the outer periphery of the lid, at the top corner of the lid. The ridge provides a uniform taper in the outside diameter of the lid, enabling containers to be capped at high speeds by a method that utilizes a spinning rod feed mechanism. The ridged lid is formed by a novel method, utilizing a one-piece mold cavity, fitted with a one piece mold insert. Also, disclosed is a method of fabricating the one-piece mold cavity.
    Type: Grant
    Filed: June 2, 1987
    Date of Patent: October 25, 1988
    Assignee: King Plastics, Inc.
    Inventor: Robert F. King
  • Method of feeding and applying ridged container closures
    Patent number: 4691501
    Abstract: A plastic container lid which has a small ridge protruding from the outer periphery of the lid, at the top corner of the lid. The ridge provides a uniform taper in the outside diameter of the lid, enabling containers to be capped at high speeds by a method that utilizes a spinning rod feed mechanism. The ridged lid is formed by a novel method, utilizing a one-piece mold cavity, fitted with a one piece mold insert. Also disclosed is a method of fabricating the one-piece mold cavity.
    Type: Grant
    Filed: June 10, 1985
    Date of Patent: September 8, 1987
    Assignee: King Plastics, Inc.
    Inventor: Robert F. King