Patents by Inventor Michel Guillonnet

Michel Guillonnet 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).

  • Device for opening and closing a package, and package provided with such a device
    Patent number: 5947316
    Abstract: A package opening and closing device for a brick-type package is fastened thereon near an opening region defining a pouring region for the product contained in the package. The opening region is provided with prescoring to allow the package to be opened during the first use. The device includes a peripheral ring fastened to the package near the perimeter of the opening region, a lid to seal off the opening region reversibly and being fixed to the peripheral ring, and a lever hinged by a hinge pin in the horizontal plane containing the device to rupture the pouring region along the prescoring.
    Type: Grant
    Filed: June 18, 1997
    Date of Patent: September 7, 1999
    Assignee: International Paper Emballages Liquides SA - Ipel SA
    Inventor: Michel Guillonnet
  • Method for fitting a device for the opening and closing of a pack
    Patent number: 5778637
    Abstract: A method of producing an aseptic package that is filled with content prior to precutting a weak-spot in a layer of the package. The insertion of content into the aseptic package prior to performing the precutting operation reduces the risk of contamination from cleansing agents.
    Type: Grant
    Filed: March 11, 1997
    Date of Patent: July 14, 1998
    Assignee: International Paper Emballages Liquides Sa-Ipel SA
    Inventor: Michel Guillonnet