Patents by Inventor Raymond Andre

Raymond Andre 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).

  • Enameling lacquer, process for the manufacture of the lacquer and application of the lacquer to enameling wires
    Patent number: 6214462
    Abstract: An enameling lacquer comprises a base first polymer and a copolymer which is compatible with said first polymer and which contains polymeric chains selected from polysiloxanes, fluorated chains and alkane chains. The lacquer is of particular application to an enameled wire comprising at least one layer of an enamel obtained by reticulation of the lacquer.
    Type: Grant
    Filed: September 26, 1994
    Date of Patent: April 10, 2001
    Assignee: Alcatel N.V.
    Inventors: Raymond Andre, Jean-Yves Barraud, Germaine Binder, Jean-François Fauvarque, Pierre-Yves Le Tiec, Laurent Preux
  • Apparatus for enamelling a conductive wire
    Patent number: 6186089
    Abstract: The enamelling apparatus includes at least one assembly constituted by an applicator for applying varnish on a conductive wire and an associated enamelling oven, with the wire passing through both of them. The enamelling oven has a single chamber filled internally with radiant heater elements facing the path of the wire and the atmosphere inside the chamber is controlled to have an oxygen content that is low, and less than 6% . The apparatus is suitable for use in the production of an enamelled wire.
    Type: Grant
    Filed: May 1, 1998
    Date of Patent: February 13, 2001
    Assignee: Alcatel
    Inventors: Pierre-Yves Le Tiec, Raymond Andre, Michel Debray