Patents by Inventor Marcel Levecque

Marcel Levecque 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 and apparatus for making fibers from thermoplastic materials
    Patent number: 4015964
    Abstract: Method and apparatus for the production of fibrous materials from attenuable substances, particularly molten glass, are disclosed, along with the fiber products which result. In the disclosed system the material to be fiberized flows into a region established as a result of the interaction of a jet transversely oriented with respect to a larger blast, the material being acted upon in the interaction zone to produce a highly attenuated fiber. The disclosed method and apparatus utilizes a glass admission orifice spaced above the blast.
    Type: Grant
    Filed: March 11, 1975
    Date of Patent: April 5, 1977
    Assignee: Saint-Gobain Industries
    Inventors: Marcel Levecque, Jean A. Battigelli, Dominique Plantard