Patents by Inventor Patrick Raval

Patrick Raval 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: 4934225
    Abstract: An apparatus for cutting a continuously manufactured tube including a knife-holder carriage which is movably mounted for translation and which is provided with a knife activator, a return mechanism for returning the carriage to an initial position following each cutting of a tube section, a driving mechanism for moving the carriage which includes a first driving motor and a first clutch system and a device for determining a section length of tube to be obtained operably connected to control the function of the first clutch system after each cutting based on the desired length of tube to be cut.
    Type: Grant
    Filed: December 28, 1987
    Date of Patent: June 19, 1990
    Assignee: Lhomme S. A.
    Inventors: Jean-Paul Languillat, Patrick Raval