Patents by Inventor Bernard Michelon

Bernard Michelon 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 device for thermoforming of containers
    Patent number: 7255552
    Abstract: Blanks (12) of thermoplastic material are heated, and a thermoforming step is performed in which the heated blanks are deformed plastically by stretching. Before the thermoforming step, a die-punching step is performed in which the peripheral regions of the blanks are deformed by die-punching while the material of the blanks is held captive on the outside. The installation includes heater means (16) for heating said blanks, thermoforming means (24), and a die-punching tool (26, 28) suitable for deforming the peripheral regions of the blanks before they are thermoformed.
    Type: Grant
    Filed: July 9, 2002
    Date of Patent: August 14, 2007
    Assignee: Erca Formseal
    Inventors: Bernard Michelon, Dominique Schwab
  • Method and device for thermoforming of containers
    Publication number: 20040245679
    Abstract: Blanks (12) of thermoplastic material are heated, and a thermoforming step is performed in which the heated blanks are deformed plastically by stretching. Before the thermoforming step, a die-punching step is performed in which the peripheral regions of the blanks are deformed by die-punching while the material of the blanks is held captive on the outside. The installation includes heater means (16) for heating said blanks, thermoforming means (24), and a die-punching tool (26, 28) suitable for deforming the peripheral regions of the blanks before they are thermoformed.
    Type: Application
    Filed: February 17, 2004
    Publication date: December 9, 2004
    Inventors: Bernard Michelon, Dominique Schwab