Patents Assigned to Roger Pelleray
  • Method for the automatic manufacture of pressurized or liquefied gas tanks
    Patent number: 4074106
    Abstract: In a method for the manufacture of substantially cylindrical pressurized or liquefied gas tanks first and second portions deformable to open-ended cylindrical shape are stamped out of a same metal sheet, the cylindrical portions then being welded together by their free edges which mated in the sheet. A machine for automatically carrying out the method comprises means for stamping, shaping and assembling the portions.
    Type: Grant
    Filed: December 31, 1975
    Date of Patent: February 14, 1978
    Assignee: Roger Pelleray
    Inventor: Paul Nee
  • Method and a machine for the automatic manufacture of pressurized or liquefied gas tanks
    Patent number: 3943615
    Abstract: In a method for the manufacture of substantially cylindrical pressurized or liquefied gas tanks first and second portions deformable to open-ended cylindrical shape are stamped out of a same metal sheet, the cylindrical portions then being welded together by their free edges which mated in the sheet. A machine for automatically carrying out the method comprises means for stamping, shaping and assembling the portions.
    Type: Grant
    Filed: April 1, 1974
    Date of Patent: March 16, 1976
    Assignee: Roger Pelleray
    Inventor: Paul Nee