Patents by Inventor Herv e Austruy

Herv e Austruy 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 for continuous manufacture of pyrotechnic charges containing a silicone binder and compositions capable of being used by this process
    Patent number: 5610444
    Abstract: The invention relates to a process for continuous manufacture of pyrotechnic charges containing a silicone binder and to the compositions capable of being used by this process.The following are introduced continuously into an extruder (1):a mixture A of a crosslinkable silicone resin with a crosslinkable silicone gum,a mixture B of oxidizing fillers,a crosslinking agent C which is common to the resin and to the gum.The dough obtained is extruded in the form of fuse strings (3) which are cut into strands (5) which are returned into a second extruder (7) to be extruded and cut into the form of blocks (11) in which the binder is crosslinked in an oven (13).The charges thus obtained find their preferred application in gas pyrotechnic generators for motor vehicle safety.
    Type: Grant
    Filed: December 21, 1995
    Date of Patent: March 11, 1997
    Assignee: Societe Nationale des Poudres et Explosifs
    Inventors: Herv e Austruy, Jean Grignon, Jean-Michel Tauzia