Patents by Inventor Robert Julian Hargreaves

Robert Julian Hargreaves 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).

  • Paper container top flange
    Patent number: 11691772
    Abstract: A plurality of camming surfaces (116) are actuated to move against the top portion of the side walls (38) of a container (36) to turn such top portion in an outward direction relative to the interior of the container sufficiently to enable the seal profile (90) of the top tool assembly (30) of a sealing apparatus (22) to press the outwardly disposed side wall top portions downwardly against an abutment formed by a bottom tool assembly (32) so as to create a horizontal, outwardly disposed sealing flange (40) to which a top film (34) is applied for closure of the container.
    Type: Grant
    Filed: August 19, 2019
    Date of Patent: July 4, 2023
    Assignee: Proseal UK Limited
    Inventor: Robert Julian Hargreaves
  • PAPER CONTAINER TOP FLANGE
    Publication number: 20210053712
    Abstract: A plurality of camming surfaces (116) are actuated to move against the top portion of the side walls (38) of a container (36) to turn such top portion in an outward direction relative to the interior of the container sufficiently to enable the seal profile (90) of the top tool assembly (30) of a sealing apparatus (22) to press the outwardly disposed side wall top portions downwardly against an abutment formed by a bottom tool assembly (32) so as to create a horizontal, outwardly disposed sealing flange (40) to which a top film (34) is applied for closure of the container.
    Type: Application
    Filed: August 19, 2019
    Publication date: February 25, 2021
    Applicant: Proseal UK Limited
    Inventor: Robert Julian Hargreaves