Patents by Inventor Marie-Therese Daumas

Marie-Therese Daumas 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 manufacturing metal parts by free forging and drop forging in a press
    Patent number: 5615465
    Abstract: The process for manufacturing parts of revolution which are made from a high-density metal with great regularity of reproducibility, especially as regards the homogeneity of the matter.It consists in carrying out the following steps:forging in three dimensions by successive upsetting and drawing-out operations carried out in three perpendicular directions;closed-die forging; andrecrystallisation heat treatment.Application to the manufacture of hollow-charged coatings made of tantalum.
    Type: Grant
    Filed: May 7, 1993
    Date of Patent: April 1, 1997
    Assignees: Commissariat a l'Energie Atomique, Thomson-Brandt Armements
    Inventors: Dominique Broussoux, Jean Collard, Marie-Therese Daumas