Patents by Inventor Prasantakumar Mukherjee

Prasantakumar Mukherjee 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).

  • System and method for forming a continuous strip/plate from a plurality of strips/plates and for forming a pipe from the continuous strip/plate
    Patent number: 7757928
    Abstract: A system and method of forming a continuous strip from a plurality of strips, each strip having a leading end and a trailing end. Embodiments can include a forming apparatus that chamfers at least one of the leading and trailing ends of each strip. The chamfered trailing ends may then be positioned against chamfered leading ends of successive ones of the plurality of strips. Once a leading end and a trailing end are positioned against one another, a first welding apparatus may weld on a first side, from above, the trailing and leading ends positioned against each other to form weld joints. Once at least two strips have been welded together, the strips can constitute the continuous strip. An inverting apparatus can then invert the continuous strip and weld joints. The inversion of the weld joints can be done so as not to create a reverse bend in the continuous strip. A second welding apparatus can then weld on a second side opposite the first side, from above, the inverted weld joints to form weld junctions.
    Type: Grant
    Filed: December 21, 2007
    Date of Patent: July 20, 2010
    Assignee: Welspun Gujarat Stahl Rohren, Ltd.
    Inventors: Balkrishan Goenka, Braja Mishra, Prasantakumar Mukherjee
  • System and method for forming a continuous strip/plate from a plurality of strips/plates and for forming a pipe from the continuous strip/plate
    Publication number: 20080149688
    Abstract: A system and method of forming a continuous strip from a plurality of strips, each strip having a leading end and a trailing end. Embodiments can include a forming apparatus that chamfers at least one of the leading and trailing ends of each strip. The chamfered trailing ends may then be positioned against chamfered leading ends of successive ones of the plurality of strips. Once a leading end and a trailing end are positioned against one another, a first welding apparatus may weld on a first side, from above, the trailing and leading ends positioned against each other to form weld joints. Once at least two strips have been welded together, the strips can constitute the continuous strip. An inverting apparatus can then invert the continuous strip and weld joints. The inversion of the weld joints can be done so as not to create a reverse bend in the continuous strip. A second welding apparatus can then weld on a second side opposite the first side, from above, the inverted weld joints to form weld junctions.
    Type: Application
    Filed: December 21, 2007
    Publication date: June 26, 2008
    Inventors: B.K. Goenka, Braja Mishra, Prasantakumar Mukherjee