Patents by Inventor Patrick Hairy

Patrick Hairy 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).

  • Process and device for controlling coating substance in a die caster
    Patent number: 6073676
    Abstract: An installation has a fixed die portion and a moving die portion, ejector rods under the control of an actuator fed with control fluid, and a spray device for spraying a coating substance. A monitoring apparatus comprises a pressure sensor for continuously measuring the pressure of a control fluid, a device for measuring and recording the pressure as a function of time, a device for comparing the recorded measurement with a reference measurement, and a device for modifying the spraying of the coating substance as a function of the comparison.
    Type: Grant
    Filed: July 25, 1997
    Date of Patent: June 13, 2000
    Assignee: Centre Technique des Industries de la Fonderie
    Inventors: Patrick Hairy, Michel Richard