Patents by Inventor Henri Lesage

Henri Lesage 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).

  • Process of finishing an air-laid web and web obtained thereby
    Patent number: 6332996
    Abstract: The general application of the invention is a finishing process for an air-laid nonwoven web composed of short cellulosic fibers, bound by a thermoplastic binder and having a less than perfect homogeneous fiber distribution. In the invention, the process includes deforming under hot stress the web between an undeforming hard engraved cylinder and a slave cylinder having a hardness between about 60 and 90 degrees shore hardness D. The slave cylinder is resilient and deformable at the pressure applied to it by the engraved cylinder. In particular, the invention applies to the manufacture of webs and of disposable, decorative napkins.
    Type: Grant
    Filed: December 28, 1999
    Date of Patent: December 25, 2001
    Assignee: Georgia-Pacific France
    Inventors: Bernard Louis Dit Picard, Henri Lesage, Jean-Louis Neveu
  • Process of finishing an air-laid web and web obtained thereby
    Patent number: 6041701
    Abstract: The general application of the invention is a finishing process for an air-laid nonwoven web composed of short cellulosic fibers, bound by a thermoplastic binder and having a less than perfect homogeneous fiber distribution. In the invention, the process includes deforming under hot stress the web between an undeforming hard engraved cylinder and a slave cylinder having a hardness between about 60 and 90 degrees shore hardness D. The slave cylinder is resilient and deformable at the pressure applied to it by the engraved cylinder. In particular, the invention applies to the manufacture of webs and of disposable, decorative napkins.
    Type: Grant
    Filed: November 9, 1998
    Date of Patent: March 28, 2000
    Assignee: Fort James France
    Inventors: Bernard Louis Dit Picard, Henri Lesage, Jean-Louis Neveu
  • Air-laid web formed from a finishing process and web obtained thereby
    Patent number: 5858512
    Abstract: The general application of the invention is a finishing process for an air-laid nonwoven web composed of short cellulosic fibers, bound by a thermoplastic binder and having a less than perfect homogeneous fiber distribution. In the invention, the process includes deforming under hot stress the web between an undeforming hard engraved cylinder and a slave cylinder having a hardness between about 60 and 90 degrees shore hardness D. The slave cylinder is resilient and deformable at the pressure applied to it by the engraved cylinder. In particular, the invention applies to the manufacture of webs and of disposable, decorative napkins.
    Type: Grant
    Filed: November 26, 1996
    Date of Patent: January 12, 1999
    Assignee: Fort James France
    Inventors: Bernard Louis Dit Picard, Henri Lesage, Jean-Louis Neveu