Patents by Inventor Philippe Lheureux

Philippe Lheureux 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 production of thermoformed articles comprised of aluminum-based and magnesium-based alloys
    Patent number: 4250727
    Abstract: A process for producing thermoformed articles from thin-walled blanks composed of aluminum or magnesium alloys, the present invention particularly provides for forming a layer of alumina or magnesia on the surfaces of the respective aluminum or magnesium blank. The alumina or magnesia layers so formed are artificially formed in order to obtain desired thicknesses, the regular layers allowing ready removal of the articles from thermoforming molds. The present process is particularly intended for the production of thin-wall packaging members and motor vehicle components.
    Type: Grant
    Filed: August 15, 1978
    Date of Patent: February 17, 1981
    Assignee: SCAL Societe de Conditionnements en Aluminium
    Inventors: Jacques Baril, Jean-Yves Gaborieau, Philippe Lheureux