Patents by Inventor Michel A. Allemandou

Michel A. Allemandou 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).

  • Method for crimping a tube end plate of a heat exchanger on a header box and heat exchanger obtained through this method
    Patent number: 4649628
    Abstract: In a method for crimping a tube end plate of a heat exchanger on a header box, there is provided a peripheral upright edge for enclosing an extra thickness defined by the header box. Portion of the upright edge of the tube end plate which has to extend, when assembled, at least in part above a flange of the header box is stiffened. The stiffened portion of the upright edge of the tube end plate is folded at least partly back onto the flange of the header box.
    Type: Grant
    Filed: November 28, 1984
    Date of Patent: March 17, 1987
    Assignee: Societe Anonyme des Usines Chausson
    Inventor: Michel Allemandou
  • Method for the manufacture of heat exchangers with curved elements
    Patent number: 4443921
    Abstract: A method for the manufacture of heat exchangers where tubes of rectangular section are assembled with dissipators for forming a plane core which is curved by applying a bending force on the small sides of the tubes, thereby making cores. These cores are assembled by engaging the ends of the tubes into tubular plates which are part of boxes.
    Type: Grant
    Filed: July 27, 1981
    Date of Patent: April 24, 1984
    Assignee: Societe Anonyme des Usines Chausson
    Inventor: Michel A. Allemandou