Patents by Inventor Georges Henri Bois

Georges Henri Bois 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 and apparatus for manufacturing packaging bags, and bags obtained thereby
    Patent number: 6343455
    Abstract: The present invention relates to a method of manufacturing packaging bags having lateral bellows, the method being characterized by the fact that it comprises the steps consisting in: forming respective cutouts (150, 160) in each of the two lateral, bellows-forming zones of a packaging bag sheet (100) so that the bag has only two thicknesses superposed at the mouth of said bellows, at least over a portion of its width; and heat-sealing (184, 186) the adjacent edges of the sheet to the peripheries of the cutouts (150, 160) to close the bag. The invention also provides apparatus for implementing the method and bags obtained thereby.
    Type: Grant
    Filed: June 4, 2001
    Date of Patent: February 5, 2002
    Assignee: Flexico-France
    Inventor: Georges Henri Bois
  • Method and apparatus for manufacturing packaging bags, and bags obtained thereby
    Patent number: 6339911
    Abstract: The present invention relates to a method of manufacturing packaging bags having lateral bellows, the method being characterized by the fact that it comprises the steps consisting in: forming respective cutouts (150, 160) in each of the two lateral, bellows-forming zones of a packaging bag sheet (100) so that the bag has only two thicknesses superposed at the mouth of said bellows, at least over a portion of its width; and heat-sealing (184, 186) the adjacent edges of the sheet to the peripheries of the cutouts (150, 160) to close the bag. The invention also provides apparatus for implementing the method and bags obtained thereby.
    Type: Grant
    Filed: June 4, 2001
    Date of Patent: January 22, 2002
    Assignee: Flexico-France
    Inventor: Georges Henri Bois
  • Method and apparatus for manufacturing packaging bags, and bags obtained thereby
    Publication number: 20010023569
    Abstract: The present invention relates to a method of manufacturing packaging bags having lateral bellows, the method being characterized by the fact that it comprises the steps consisting in: forming respective cutouts (150, 160) in each of the two lateral, bellows-forming zones of a packaging bag sheet (100) so that the bag has only two thicknesses superposed at the mouth of said bellows, at least over a portion of its width; and heat-sealing (184, 186) the adjacent edges of the sheet to the peripheries of the cutouts (150, 160) to close the bag. The invention also provides apparatus for implementing the method and bags obtained thereby.
    Type: Application
    Filed: June 4, 2001
    Publication date: September 27, 2001
    Applicant: FLEXICO
    Inventor: Georges Henri Bois