Patents by Inventor Pierre Rollot

Pierre Rollot 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: 5295666
    Abstract: A cooling plate for a blast furnace is provided including a C-shaped body having two arms which define two continuous horizontal lips being separated by a space, a plurality of inner tubes for carrying a circulating cooling fluid, and a lining element of refractory material disposed in the space.
    Type: Grant
    Filed: December 2, 1992
    Date of Patent: March 22, 1994
    Assignee: Chavane-Ketin
    Inventors: Pierre Rollot, Francois Graffeuille, Raymond Capelani, deceased, Alain Dufour, Hubert Dosda, Lucien Delaitre, Jean-Michel Dardart, Bernard Thiel
  • Patent number: 4669708
    Abstract: The cooling plate 1 comprises a cast iron element having substantially the shape of a parallelepiped, embedded longitudinally extending tubes 3; 103 disposed vertically and parallel to one another and extending out of said element on a first side 2b; 102b of said element, and a protective sleeve 4a, 4b surrounding portions of said tubes extending out of said element. A second side of said element opposed to said first side has a waffle shape formed by rows of bosses 8; 108 evenly spaced apart transversely of said element. The bosses of a row define projecting surfaces 9; 109 comprising substantially aligned portions of a cylinder, said cylinders having axes substantially coinciding with axes of said tubes 3.
    Type: Grant
    Filed: March 24, 1986
    Date of Patent: June 2, 1987
    Assignee: Union Siderurgique du Nord et de l'Est de la France
    Inventors: Pierre Rollot, Gerard Pierrat, Claude Le Scour
  • Patent number: 4437651
    Abstract: The plate comprises a cast iron element of substantially parallelepipedic shape. Cooling tubes which are disposed parallel to one another, embedded in the element and extend longitudinally of the element, issue from the latter on the same main side, respectively in the upper and lower parts of the element, in a protective sleeve. The side of the element opposed to the main side from which the cooling tube issue has a waffle shape.
    Type: Grant
    Filed: November 9, 1981
    Date of Patent: March 20, 1984
    Assignee: Union Siderurgique du Nord et de l'Est de la France
    Inventors: Jean Cordier, Pierre Rollot
  • Patent number: 4398701
    Abstract: This invention relates to a cooling installation for a blast furnace using stave coolers in which circulates a cooling fluid, these staves being arranged in successive superimposed rings along the internal wall of the shell of the blast furnace and being traversed by internal fluid circulation tubes, the internal tubes of two staves adjacent in a vertical plane being interconnected so as to define a network of vertical fluid circulation lines, wherein this network is connected at each of its extremities to an external circulation and fluid cooling circuit defining a pressurized forced closed circuit in which the cooling fluid is maintained in the liquid phase.
    Type: Grant
    Filed: July 22, 1981
    Date of Patent: August 16, 1983
    Assignee: Union Siderurgique du Nord et de l'Est de la France "USINOR"
    Inventors: Jean Cordier, Pierre Rollot