Patents by Inventor Pierre Vitrant

Pierre Vitrant 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 the manufacture of an explosive ammunition component with controlled fragmentation
    Patent number: 5690867
    Abstract: The invention relates to a process for the manufacture of an explosive ammunition component with controlled fragmentation, comprising a charge of solid explosive contained in a metal casing internally clad with a sleeve externally provided with indentations.A rigid sleeve made of plastic or elastomer, externally provided with indentations and which has a form of a vessel provided with a single opening, is produced first of all, and then this sleeve is introduced, with the bottom first, into a metal casing comprising an opening and whose shape and dimensions are such as to allow the sleeve to clad the casing internally.A pasty or liquid explosive composition is next cast into the sleeve and the composition is then solidified.
    Type: Grant
    Filed: October 24, 1996
    Date of Patent: November 25, 1997
    Assignee: Societe Nationale des Poudres et Explosifs
    Inventors: Bruno Nouguez, Claude Grimelli, Pierre Vitrant, Alain Bonnel, Alain Tinet