Patents by Inventor Jacques Andre Chamdru

Jacques Andre Chamdru 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).

  • Plastic core blow nozzle with fastening hooks
    Patent number: 3987842
    Abstract: A nozzle for blowing foundry cores, the nozzle being adapted to be fitted to a filling tray of a type operated in conjunction with the hot-box process. The nozzle consists of a pair of tubular concentric plastic sleeves assembled and shaped to provide an intermediate annular-sectioned space constituting a cooling jacket in which water is circulated, the male sleeve carrying at its lower end a plastic nose-piece adapted to withstand heavy abrasive and thermal conditions.
    Type: Grant
    Filed: July 21, 1975
    Date of Patent: October 26, 1976
    Assignees: Regie Nationale des Usines Renault, Automobiles Peugeot
    Inventor: Jacques Andre Chamdru