Patents by Inventor Robert Andrew Butcher

Robert Andrew Butcher 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: 6832464
    Abstract: A plurality of discrete packages (100) are manufactured from an indefinite length of gusseted packaging material (1). Each package (100) has an insert (9) inserted through an incision (8) in the packaging (1) which in use maintains a desired footprint of the package. Gaps (17) in welds (15) joining the bottom of the insert (9) to the packaging material (1) allow air to vent from between the insert (9) and the packaging material (1). Flaps (23) toward the rear of each package (100) join a leading package (100) to a following package (100a) by means of longitudinal welds (21) which allow gaps (22) for air to vent during the roll-up process.
    Type: Grant
    Filed: September 12, 2002
    Date of Patent: December 21, 2004
    Assignee: AMCOR Packaging Limited
    Inventors: Wayne Alexander Wilson, Robert Andrew Butcher
  • Publication number: 20030040412
    Abstract: A plurality of discrete packages (100) are manufactured from an indefinite length of gusseted packaging material (1). Each package (100) has an insert (9) inserted through an incision (7) in the packaging (1) which in use maintains a desired footprint of the package. Gaps (17) in welds (15) joining the bottom of the insert (9) to the packaging material (1) allow air to vent from between the insert (9) and the packaging material (1). Flaps (23) toward the rear of each package (100) join a leading package (100) to a following package (110a) by means of longitudinal welds (21) which allow gaps (22) for air to vent during the roll-up process.
    Type: Application
    Filed: September 12, 2002
    Publication date: February 27, 2003
    Inventors: Wayne Alexander Wilson, Robert Andrew Butcher