Patents Assigned to Posco
  • Publication number: 20110259481
    Abstract: There is provided a high strength steel plate including, by weight: 0.03% to 0.20% C, 0.15% to 0.55% Si, 0.9% to 1.5% Mn, 0.001% to 0.05% Al, 0.030% or less P, 0.030% or less S, 0.30% or less Cr, 0.2% or less Mo, 0.6% or less Ni, 0.07% or less V, 0.04% or less Nb, 5 ppm to 50 ppm Ca, 0.005% to 0.025% Ti, 0.0020% to 0.0060% N, 0.0005% to 0.0020% B, the balance of F and unavoidable impurities. The steel plate may be formed of tempered martensite, and conditions for cooling and recrystallization controlled rolling are optimized so as to control an average grain size of a microstructure and an aspect ratio of structure grains. Accordingly, a superior high-strength steel plate that can be used for an atomic plant, for example, an atomic plant rated at IOOOMW or more by having a tensile strength of at least 650 MPa and an impact toughness of at least 200 J at ?5O ° C., and a method of manufacturing the same can be provided.
    Type: Application
    Filed: December 21, 2009
    Publication date: October 27, 2011
    Applicant: POSCO
    Inventors: Soon-Taik Hong, Sung-Ho Jang, Ki-Hyun Bang
  • Publication number: 20110259483
    Abstract: A method for manufacturing a fine spheroidized steel sheet having an excellent heat treatment characteristic, the method including: i) manufacturing a high carbon slab that is formed of 0.3 to 1.0 wt % C, 0.1 to 1.2 wt % Mn, 0 to 0.4 wt % Si, 0.01 to 0.1 wt % Al, 0 to 0.01 wt % S, and balance Fe and an inevitably added impurity as residuals; ii) reheating the slab to a temperature of Ar3 transformation point or more; iii) roughing rolling the slab, and manufacturing a thin plate by performing finish rolling in an austenite region; iv) cooling the thin plate at a cooling speed of 50 to 300° C./sec; v) finishing the cooling of the thin plate at a temperature region of 400 to 650° C. and maintaining the temperature; vi) winding the thin plate at a temperature region of 450 to 700° C.; vii) performing cold rolling at a reduction ratio of 30% or more; and viii) spheroidizing annealing the cold rolled thin plate.
    Type: Application
    Filed: December 21, 2009
    Publication date: October 27, 2011
    Applicant: POSCO
    Inventors: Chang-Hoon Lee, Jea-Chun Jeon, Jong-Sub Lee, Ki-Soo Kim
  • Patent number: 8042460
    Abstract: A head unit for coil packaging is disclosed to transfer and fasten band for fixing a packaging material to a coil. The head unit for coil packaging, including: a band transfer unit that transfers a front end of a band supplied for coil packaging to a position at which a robot for winding the band to a coil can grip the front end of the band, and transfers the front end of the band such that it overlaps with the band as the robot provides the front end of the band wound on the coil; and a band fastening unit that fastens the front end of the band to the band.
    Type: Grant
    Filed: January 9, 2009
    Date of Patent: October 25, 2011
    Assignee: Posco M-Tech
    Inventor: Seung Yong Song
  • Publication number: 20110256387
    Abstract: Provided is a resin composition for surface treatment of a steel sheet including a binder resin, graphene and a solvent. More particularly, as only a small amount of the graphene is included in the resin composition used for surface treatment of a steel sheet, a user-required electrical conductivity can be provided to the steel sheet.
    Type: Application
    Filed: October 29, 2009
    Publication date: October 20, 2011
    Applicant: POSCO
    Inventors: Jae Dong Cho, Jae Soon Lee, Jae Ryung Lee, Sang Eun Shim
  • Publication number: 20110252849
    Abstract: Provided is an annealing device which comprises at least one section and in which the at least one section is filled with a gas constituting a non-reducing atmosphere or a weakly reducing atmosphere, as well as a device for producing plated steel sheet comprising the annealing device, and a method for producing plated steel sheet by means of such a device to substantially improve the quality of plating onto hot-dipped steel sheet, including the plating properties, alloying properties, anti-pickup properties, plating adhesion properties, anti-flaking properties, anti-cratering properties and anti-ash properties, by using prior-art annealing equipment and heat-treatment cycle without any additional oxidation-reduction heat treatment process or large quantities of high-cost alloying elements.
    Type: Application
    Filed: December 8, 2009
    Publication date: October 20, 2011
    Applicant: POSCO
    Inventors: Rho-Bum Park, Kwang-Geun Chin, Man-Young Park
  • Publication number: 20110247734
    Abstract: Decarburization-restrained steel and manufacturing method thereof are disclosed. Steel includes a boron (B)-concentrated layer formed on its surface to prevent carbon of the steel from being in contact with oxygen in atmosphere to thus restrain decarburization of the steel. The steel includes a boron-concentrated layer with a thickness of 3 mm or larger formed on the surface of the steel. The method of manufacturing decarburization-restrained steel includes cooling steel containing 0.001 wt % to 0.02 wt % of boron (B) at a cooling speed of 0.5° C./s to 25° C./s at an austenite+ferrite two-phase region.
    Type: Application
    Filed: December 28, 2009
    Publication date: October 13, 2011
    Applicant: POSCO
    Inventors: Jae-Seung Lee, Sang-Yoon Lee, Hoe-Young Jung, Byoung-Ju Park
  • Publication number: 20110250415
    Abstract: An ultraviolet (UV) curable resin composition is provided which includes 25 to 45 parts by weight of a modified epoxy acrylate oligomer; and 10 to 25 parts by weight of a urethane acrylate oligomer. Further provided is a metal sheet that is transparent and corrosion resistant, impact resistant, scratch resistant, adhesive, anti-corrosive, and bendable (workable) by forming a coating film on the surface of a metal material such as a steel material, specifically a steel sheet, using the UV curable resin composition mentioned above.
    Type: Application
    Filed: November 12, 2009
    Publication date: October 13, 2011
    Applicants: NOROO HOLDINGS CO., LTD., POSCO
    Inventors: Jin Tae Kim, Sang Gon Kim, Jae Ryung Lee, Jung Su Kim, Moon Jae Kwon, Chang Se Byeon
  • Publication number: 20110247388
    Abstract: Provided is a die for shear drawing capable of performing continuous drawing and shear deformation at the same time. The die for shear drawing includes a material processing channel in which a material is sheared and drawn while passing therethrough, wherein the processing channel includes an inlet path positioned at a front end thereof, and an outlet path positioned at a rear end thereof, when viewed from a movement direction of a material. The inlet path and the outlet path are connected to intersect a central axes thereof at a certain angle, and the processing channel includes a cross-section reduction segment allowing an outlet cross-sectional area of the outlet path to be smaller than an inlet cross-sectional area of the inlet path to thereby draw out a material from an exit of the outlet path with the material filled therein.
    Type: Application
    Filed: December 10, 2009
    Publication date: October 13, 2011
    Applicant: POSCO
    Inventors: Ki-Ho Rhee, Il-Heon Son, Joong-Ki Hwang, Duk-Lak Lee
  • Publication number: 20110233016
    Abstract: There is provided a collision energy absorbing apparatus, in particular, a collision energy absorbing apparatus for use in a vehicle, having a plurality of absorption phases, including: a first deformation part undergoing a first plastic deformation due to expansion so as to absorb collision energy generated in the event of a vehicle accident; a second transformation part disposed in line with an end of the first deformation part, the second transformation part undergoing a second plastic deformation after the first plastic deformation of the first deformation part so as to sequentially absorb collision energy in the event of a vehicle accident; and an expansion inducing part combined with an end of the second deformation part and disposed between the first deformation part and the second deformation part to guide the first plastic deformation of the first deformation part.
    Type: Application
    Filed: February 17, 2009
    Publication date: September 29, 2011
    Applicant: POSCO
    Inventor: Ji-Ho Lim
  • Patent number: 8017572
    Abstract: Disclosed are peptides having SEQ ID NOs: 1 to 24 that induce superoxide generation by human monocytes or neutrophils; that induce an intracellular calcium increase by human peripheral blood monocytes or neutrophils; binds to formyl peptide receptor or formyl peptide receptor-like 1; that induce chemotactic migration of human monocytes or neutrophils in vitro; that induce degranulation in formyl peptide receptor expressing cells or formyl peptide receptor-like 1 expressing cells; that stimulate extracellular signal regulated protein kinase phosphorylation via activation of formyl peptide receptor or formyl peptide receptor-like 1; or that stimulate Akt phosphorylation via activation of formyl peptide receptor or formyl peptide receptor-like 1.
    Type: Grant
    Filed: October 6, 2008
    Date of Patent: September 13, 2011
    Assignee: Posco
    Inventors: Sung-Ho Ryu, Pann-Ghill Suh, Yoe-Sik Bae, Ji-Young Song
  • Publication number: 20110191908
    Abstract: The present invention relates to a flowering-time and/or stem elongation regulator isolated from rice, which is selected from OsMADS50, OsMADSS1, OsMADS56, OsMADS14, OsTRX1, OsVIN1, OsCOL4 and OsCOLS, a DNA construct containing the regulator, a transgenic plant, a part thereof, and plant cell transformed with the DNA construct, and method to control flowering-time and/or stem elongation using the regulator. In the present invention, the flowering-time and/or stem elongation can be controlled, and thereby, various agricultural benefits obtained.
    Type: Application
    Filed: June 22, 2007
    Publication date: August 4, 2011
    Applicants: POSCO, POSTECH Foundation
    Inventors: GYNHEUNG AN, SHINYOUNG LEE, DONG-HOON JEONG, JIHYE YOO, CHOONG-HWAN RYU, JONG-SEONG JEON, SUNG-RYUL KIM, YOUNG-OCK KIM, JOONYUL KIM, SUYOUNG AN, JONG-JIN HAN, MIN-JUNG HAN
  • Patent number: 7989425
    Abstract: The present invention relates to a vaccine enhancing the protective immunity to Hepatitis C virus using plasmid DNA and recombinant adenovirus, more particularly to a vaccine consisting of ? core-E1-E2 expressing DNA vaccine, nonstructural protein NS3 and NS4 expressing DNA vaccine, nonstructural protein NS5 expressing DNA vaccine and recombinant adenovirus vaccine, and method for administration of the vaccine by priming with the DNA vaccines described above and boosting with the recombinant adenovirus vaccine thereby enhancing the protective immunity to Hepatitis C virus.
    Type: Grant
    Filed: September 24, 2003
    Date of Patent: August 2, 2011
    Assignees: Genexine Inc., Postech Foundation, Dong-A Pharm. Co., Ltd., Daewood Co., Ltd., Posco
    Inventors: Young Chul Sung, Jin-Won Youn, Se-Hwan Yang, Su-Hyung Park, Chang Geun Lee
  • Patent number: 7989075
    Abstract: Provided is a chromium-free, low-temperature curable, metal-surface treatment composition comprising 5 to 30 parts by weight of a silane compound having an epoxy group and a silane compound having an amino group or a hydrolytic condensate thereof; 0.1 to 5 parts by weight of a vanadium compound; 0.1 to 5 parts by weight of a magnesium compound; 1 to 10 parts by weight of organic/inorganic acids; 0.05 to 2 parts by weight of a crosslinking accelerating and coupling agent; 0.01 to 1 part by weight of an antifoaming agent; 1 to 2 parts by weight of a wetting agent; and the balance of water and ethanol, based on 100 parts by weight of the total solution. In addition, a steel sheet coated with the above-described metal-surface treatment composition is low-temperature curable and provides anticorrosiveness while containing no chromium components.
    Type: Grant
    Filed: June 20, 2006
    Date of Patent: August 2, 2011
    Assignees: POSCO, Daehan Parkerizing Co., Ltd.
    Inventors: Yeong-Sool Jin, Sung-Mun Keom, Jin-Tae Kim
  • Publication number: 20110184596
    Abstract: Disclosed is a method of increasing track capacity in an automated vehicle system, the automated vehicle system comprising a network of tracks along which vehicles are adapted to travel, the network comprising at least one merge point at which at least two up stream tracks merge to form a downstream track, at least one diverge point at which one upstream track diverges to form at least two down-stream tracks and a plurality of stations at which passengers may board and/or disembark from the vehicles; wherein the method comprises controlling vehicles so as to cause empty vehicles to travel as at least one sequence of vehicles defined as a platoon; and controlling the empty vehicles of the at least one sequence to travel with a first safety distance between each other, the first safety distance being shorter than a second safety distance between vehicles being at least partially loaded.
    Type: Application
    Filed: May 26, 2009
    Publication date: July 28, 2011
    Applicant: POSCO
    Inventor: Ingmar Andreasson
  • Publication number: 20110184042
    Abstract: Provided are RNA aptamer specifically binding to cancer metastasis-inducing domain of CEA (Carcinoembryonic antigen), a composition for prevention and/or inhibition and/or diagnosis of cancer metastasis containing the same as an active ingredient, and a method of prevention and/or inhibition and/or diagnosis of cancer metastasis using the same.
    Type: Application
    Filed: March 17, 2010
    Publication date: July 28, 2011
    Applicants: POSTECH ACADEMY-INDUSTRY FOUNDATION, POSCO
    Inventors: SEONG-WOOK LEE, YOUNG-JU LEE, JIN-SOOK JEONG
  • Publication number: 20110174869
    Abstract: An endless hot rolling material shear-joining method capable of threading hot rolling materials in a finish rolling process without strip breakage by controlling joining conditions for the hot rolling materials in an endless hot rolling process for high carbon steel, and an endless hot rolling plant therefor are disclosed. The shear-joining method for endless hot rolling materials of high carbon steel includes shear-joining high carbon steel metal bars comprising, in terms of weight %, 0.30% to 1.20% C, inevitable impurities, and balance Fe, or comprising 0.15% to 1.5% C containing at least one of Cr, Ni, Mo, V, Ti, W, B, Nb, and Sb, inevitable impurities, and balance Fe, such that a joined surface of the joined metal bars is formed to be inclined in a thickness direction of the metal bars, in a hot rolling plant by a joiner adapted to join the metal bars after overlapping tail part of a leading one of the metal bar and top part of a trailing metal bar.
    Type: Application
    Filed: November 20, 2006
    Publication date: July 21, 2011
    Applicants: POSCO, MITSUBISHI-HITACHI METALS MACHINERY, INC.
    Inventors: Jong-Sub Lee, Youn-Hee Kang, Chun-Soo Won, Jong-Bong Lee, Sang-Wook Ha, Kenji Horii, Toshihiro Usugi, Hideaki Furumoto, Shigenori Shirogane, Takao Funamoto
  • Patent number: 7981196
    Abstract: An apparatus and method for absorbing and recovering carbon dioxide from flue gas using ammonia water as an absorbent, including an absorption column and a circulation cooler connected to the absorption column so that a high-temperature absorbent is recovered from the absorption column, cooled to a preset temperature, and then supplied again into the absorption column, in order to dissipate absorptive heat generated when carbon dioxide is absorbed from the flue gas.
    Type: Grant
    Filed: June 2, 2008
    Date of Patent: July 19, 2011
    Assignees: POSCO, Research Institute of Industrial Science & Technology
    Inventors: Ki Joon Kang, Young Bong Lee, Kwang Hyun Kim, Je Young Kim
  • Patent number: 7976773
    Abstract: A degassing apparatus having duplex vacuum vessels for removing impurity gases from molten steel by backflow of molten steel thereby homogenizing molten steel composition. The apparatus includes duplex vacuum vessels of first and second vacuum vessels fixedly arranged at a predetermined interval to a floor which is provided horizontally at a predetermined height from a bottom; first and second ladle carriages arranged to run on first and second rails, respectively, to reciprocate between a treatment position directly under the first and second vacuum vessels and a tapping position where refined molten steel is tapped, each of the first and second ladle carriage loaded with a corresponding one of first and second ladles; and first and second lifting cylinders each for raising and lowering each of the first and second ladles in the treatment position so that a bottom end of each of the first and second vacuum vessels is immersed by molten steel in each of the first and second ladles.
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: July 12, 2011
    Assignee: Posco Engineering & Construction Co., Ltd.
    Inventors: Byung-Kyu Jung, Han-Yung Kal, Jin-Ho Son, Young-Sik Shin, Uel-Duk Jin, Kyung-Bae Jin, Jae-Kyu Kim, Chai-Rok Lee
  • Patent number: 7976902
    Abstract: There is provided a chromium-free coating composition for forming an insulation film, the composition having excellent corrosion resistance and excellent film adhesion and film strength after stress relief annealing (SRA), including, based on a 100 g phosphate solution having a solid content of 60% by weight, in which monoaluminum phosphate and monozinc phosphate are mixed at a 1:1 ratio: 0.5˜5 g of a solid in which cobalt hydroxide and strontium hydroxide are mixed at a 1:1 ratio: 100˜300 g of an emulsified polyester resin or an emulsified epoxy resin having a solid content of 20% by weight; 3˜10 g of aluminum silicate having a solid content of 20% by weight; and 0.1˜6 g of a titanium chelate.
    Type: Grant
    Filed: June 20, 2007
    Date of Patent: July 12, 2011
    Assignee: Posco
    Inventors: Min-Soo Han, Jung-Woo Kim, Jae-Kwan Kim, Seong-Ho Kim
  • Publication number: 20110165434
    Abstract: A coating composition for zinc- and zinc alloy-coated steel sheets includes: 1 to 30% by weight of hypophosphorous acid, 0.1 to 10% by weight of manganese, 0.01 to 5% by weight of a polyvinyl compound, zinc oxide and the balance of water, and further comprises 20% by weight or less of alcohol, when necessary, wherein the zinc oxide is included in such a content that, when 50 Ml (milliliters) of the coating composition is neutralized and titrated with 0.1N NaOH, the NaOH used for the neutralization titration is present in an amount of 10.0 Ml (milliliters) or less, and a content of free acid in the coating composition is adjusted to such an amount that, when 50 Ml (milliliters) of the coating composition is neutralized and titrated with 0.1N NaOH, the NaOH used for the neutralization titration is present in an amount of 10.0 Ml (milliliters) or less.
    Type: Application
    Filed: July 29, 2008
    Publication date: July 7, 2011
    Applicant: POSCO
    Inventors: Young Geun Kim, Ha Sun Park, Sang Min Lee, Si Youl Choun, Yong Woon Kim, Jae Ryung Lee