Patents by Inventor Yves Longa

Yves Longa 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 for the production of a hollow metal part by means of casting
    Patent number: 9452469
    Abstract: A method for producing a hollow metal part by casting, wherein a destructible core (20) is provided including a body (22) made of aggregate, and a shell (40) which surrounds the body and adheres thereto; the core (20) is positioned inside a mold (50); metal is melted and the liquid metal is injected, generally under pressure, into the mold (50), surrounding the core (20) embodying an interior space of the part; after solidification of the part, the body is disaggregated and it is removed through removal openings provided in the shell and the part; and the shell is destroyed and removed through removal openings provided in the part.
    Type: Grant
    Filed: April 11, 2013
    Date of Patent: September 27, 2016
    Assignee: Centre Technique Des Industries De La Fonderie (C.T.I.F.)
    Inventors: Yves Longa, Jean De Ruffray
  • METHOD FOR THE PRODUCTION OF A HOLLOW METAL PART BY MEANS OF CASTING
    Publication number: 20150083356
    Abstract: A method for producing a hollow metal part by casting, wherein a destructible core (20) is provided including a body (22) made of aggregate, and a shell (40) which surrounds the body and adheres thereto; the core (20) is positioned inside a mold (50); metal is melted and the liquid metal is injected, generally under pressure, into the mold (50), surrounding the core (20) embodying an interior space of the part; after solidification of the part, the body is disaggregated and it is removed through removal openings provided in the shell and the part; and said shell is destroyed and removed through removal openings provided in the part.
    Type: Application
    Filed: April 11, 2013
    Publication date: March 26, 2015
    Inventors: Yves Longa, Jean De Ruffray