Patents by Inventor Frédéric Perrin

Frédéric Perrin 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).

  • Patent number: 5863368
    Abstract: Process and device (1) for applying a thread (3) onto a support (9) while parting to the thread (3) a sinuous shape, which are characterized by the following features:a) the thread (3) is delivered with a controlled linear speed of value V.sub.1 ;b) the thread (3) is displaced transversely to its direction of advance;c) it is applied onto the support (9), the thread (3) and the support (9) at the contact being driven with a linear speed V.sub.2 which is less than V.sub.1 ;d) the conformation ratio of the thread (3) is thus defined by the ratio V.sub.1 /V.sub.2.Plies obtained by the process and device (1) of the invention.Articles, in particular tires, made using such plies.
    Type: Grant
    Filed: January 30, 1996
    Date of Patent: January 26, 1999
    Assignee: Compagnie Generale des Etablissements Michelin--Michelin & Cie
    Inventor: Frederic Perrin