Patents by Inventor Andre Cachin

Andre Cachin 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).

  • Apparatus for shaping a detonation wave
    Patent number: 4594947
    Abstract: Process and apparatus for shaping a detonation wave.In a conventional manner, a priming explosive mass is separated from a charging explosive mass by a shield. According to the invention, use is made of a porous material for forming the shield and it is given a shape such that, in the charging explosive, the detonation wave from the priming explosive is always in front of the shock wave from the shield.Application to the piercing of thick metal sheets.
    Type: Grant
    Filed: July 19, 1984
    Date of Patent: June 17, 1986
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Julien Aubry, Andre Cachin