Patents by Inventor Ross John Bartlett

Ross John Bartlett 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: 8181423
    Abstract: A hollow flange channel beam has a planar web with a pair of narrow rectangular cross-section flanges extending along opposite sides of said web and extending perpendicular to a face of said web in the same direction. The section capacity is optimized when Wf=(0.3)Db, Wf=(3.0)Df and WF=(30)t.
    Type: Grant
    Filed: March 15, 2011
    Date of Patent: May 22, 2012
    Assignee: Smorgon Steel Litesteel Products Pty Ltd.
    Inventors: Ross John Bartlett, Ross Ian Dempsey, Russell Lambert Watkins, Alexander Noller, Keiji Yokoyama
  • Publication number: 20110247384
    Abstract: A cold roll forming mill for the manufacture of hollow flange seam welded beams from a single strip of metal comprises a forming station (1), a seam guide and welding station (2) and a shaping station (3). Either or both of the forming and shaping stations (1,3) comprise independently supported side engaging roll combinations (7,12) adapted, in use, to roll either or both of opposite sides of the strip. Adjacent transverse pairs of side engaging roll (7,12) combinations are selectively movable relative to each other in a transverse direction perpendicular to a direction of travel of said strip through said mill. At least some of the side engaging roll combinations (7,12) are driven. Drive rolls (6) spaced within the forming and shaping stations (1,3) engage the strip between opposite edges thereof.
    Type: Application
    Filed: June 7, 2011
    Publication date: October 13, 2011
    Applicant: SMORGON STEEL LITESTEEL PRODUCTS PTY LTD
    Inventors: Ross John Bartlett, Alexander Noller
  • Publication number: 20110162320
    Abstract: A hollow flange channel beam has a planar web with a pair of narrow rectangular cross-section flanges extending along opposite sides of said web and extending perpendicular to a face of said web in the same direction. The section capacity is optimized when Wf=(0.3)Db, Wf=(3.0)Df and WF=(30)t.
    Type: Application
    Filed: March 15, 2011
    Publication date: July 7, 2011
    Applicant: SMORGON STEEL LITESTEEL PRODUCTS PTY LTD
    Inventors: Ross John. BARTLETT, Ross Ian DEMPSEY, Russell Lambert WATKINS, Alexander NOLLER, Keiji Yokoyama
  • Publication number: 20100180654
    Abstract: A cold roll forming mill for the manufacture of hollow flange seam welded beams from a single strip of metal comprises a forming station (1), a seam guide and welding station (2) and a shaping station (3). Either or both of the forming and shaping stations (1,3) comprise independently supported side engaging roll combinations (7,12) adapted, in use, to roll either or both of opposite sides of the strip. Adjacent transverse pairs of side engaging roll (7,12) combinations are selectively movable relative to each other in a transverse direction perpendicular to a direction of travel of said strip through said mill. At least some of the side engaging roll combinations (7,12) are driven. Drive rolls (6) spaced within the forming and shaping stations (1,3) engage the strip between opposite edges thereof.
    Type: Application
    Filed: March 30, 2010
    Publication date: July 22, 2010
    Applicant: SMORGON STEEL LITESTEEL PRODUCTS PTY LTD
    Inventors: Ross John Bartlett, Alexander Noller
  • Patent number: 7721579
    Abstract: A cold roll forming mill for the manufacture of hollow flange seam welded beams from a single strip of metal comprises a forming station (1), a seam guide and welding station (2) and a shaping station (3). Either or both of the forming and shaping stations (1, 3) comprise independently supported side engaging roll combinations (7, 12) adapted, in use, to roll either or both of opposite sides of the strip. Adjacent transverse pairs of side engaging roll (7, 12) combinations are selectively movable relative to each other in a transverse direction perpendicular to a direction of travel of said strip through said mill. At least some of the side engaging roll combinations (7, 12) are driven. Drive rolls (6) spaced within the forming and shaping stations (1, 3) engage the strip between opposite edges thereof.
    Type: Grant
    Filed: June 22, 2005
    Date of Patent: May 25, 2010
    Assignee: Smorgon Steel Litesteel Products Pty Ltd
    Inventors: Ross John Bartlett, Alexander Noller
  • Publication number: 20100005758
    Abstract: A hollow flange channel beam has a planar web with a pair of narrow rectangular cross-section flanges extending along opposite sides of said web and extending perpendicular to a face of said web in the same direction. The section capacity is optimized when Wf=(0.3)Db, Wf=(3.0)Df and WF=(30)t.
    Type: Application
    Filed: September 9, 2009
    Publication date: January 14, 2010
    Applicant: SMORGON STEEL LITESTEEL PRODUCTS PTY LTD
    Inventors: Ross John Bartlett, Ross Ian Dempsey, Russell Lambert Watkins, Alexander Noller, Keiji Yokoyama
  • Publication number: 20080290140
    Abstract: An apparatus for in-line ERW welding of hollow flange steel members in a cold forming mill comprises a seem roll stand (60) rotatably supporting at least one seam roll (68) adapted in use to guide a free edge (34a,34b) of a contoured metal strip (30) into linear alignment with a predetermined weld axis spaced from said free edge on a surface of the metal strip. The apparatus also includes a weld box stand (61) supporting at least one pair of squeeze rolls (84a,84b), in use, adapted to urge the free edge (34a,34b) when heated to a predetermined temperature into fused engagement with a correspondingly heated weld axis on the surface of the strip (30). The squeeze rolls (84a,84b) co-operate to guide the free edge through a predetermined linear trajectory substantially along an incidence axis of a subsequent weld junction between the free edge (34a,34b) and the surface of the metal strip (30) whereby energy imparted to the cold formed member is focussed by a proximity effect along the predetermined weld axis.
    Type: Application
    Filed: June 22, 2005
    Publication date: November 27, 2008
    Applicant: SMORGON STEEL LITESTEEL PRODUCTS PTY LTD
    Inventors: Ross John Bartlett, Alexander Noller, Keiji Yokoyama
  • Publication number: 20080289390
    Abstract: A cold roll forming mill for the manufacture of hollow flange seam welded beams from a single strip of metal comprises a forming station (1), a seam guide and welding station (2) and a shaping station (3). Either or both of the forming and shaping stations (1, 3) comprise independently supported side engaging roll combinations (7, 12) adapted, in use, to roll either or both of opposite sides of the strip. Adjacent transverse pairs of side engaging roll (7, 12) combinations are selectively movable relative to each other in a transverse direction perpendicular to a direction of travel of said strip through said mill. At least some of the side engaging roll combinations (7, 12) are driven. Drive rolls (6) spaced within the forming and shaping stations (1, 3) engage the strip between opposite edges thereof.
    Type: Application
    Filed: June 22, 2005
    Publication date: November 27, 2008
    Applicant: SMORGON STEEL LITESTEEL PRODUCTS PTY LTD
    Inventors: Ross John Bartlett, Alexander Noller
  • Publication number: 20080028720
    Abstract: A hollow flange channel beam has a planar web with a pair of narrow rectangular cross-section flanges extending along opposite sides of said web and extending perpendicular to a face of said web in the same direction. The section capacity is optimized when Wf=(0.3)Db, Wf=(3.0)Df and WF=(30)t.
    Type: Application
    Filed: June 23, 2004
    Publication date: February 7, 2008
    Applicant: Smorgon Steel LiteSteel Products Pty Ltd
    Inventors: Ross John Bartlett, Ross Ian Dempsey, Russell Lambert Watkins, Alexander Noller, Keiji Yokoyama