baber/WOPTO huggingface dataset:
Patent JP-2009544782-A (JP)
IPC: C09D169/00
Filed: 2007-07-18
Abstract: Hyperbranched polycarbonates having stabilizing groups, prepared by reaction of (a) at least one compound having at least three alcoholic hydroxyl groups per molecule with (b) at least one reagent of the general formula I (c) and at least one reagent of the general formula X3-(A1)m-X4, where the variables are defined as follows: X1, X2 are identical or different and are selected from among halogen, C1-C10-alkoxy, C6-C10-aryloxy and O—C(═O)-halogen, X3 is a functional group selected from among OH, SH, NH2, NH—C1-C4-alkyl, isocyanate, epoxy, COOH, COOR12, C(═O)—O—C(═O), C(═O)—Cl, R12 is C1-C4-alkyl or C6-C10-aryl, A1 is a spacer or a single bond, m is zero or one. X4 is a group selected from among phenol groups, benzophenones, aromatic amines and nitrogen-comprising heterocycles, in each case substituted or unsubstituted.
Patent JP-2009545620-A (JP)
Title: 併用療法
IPC: A61K38/00
Filed: 2007-08-02
Abstract: 【課題】  前駆体または幹細胞あるいはその両方の被験者の血流内への動員。 【解決手段】  少なくとも一つのVLA-4阻害剤の有効量と組み合わせた場合の少なくとも一つのCXCR4阻害剤の有効量を使用する。 【選択図】  なし
Patent JP-2010501136-A (JP)
Title: Ｍｉｍｏ無線通信システムにおいて効率的なプリコーディングフィードバックを提供する方法および装置
IPC: H04W16/28
Filed: 2007-08-15
Abstract: アップリンクにおいてフィードバックを生成するためのヤコビ回転に基づくプリコーディングフィードバック方法が開示される。送信機および受信機を含む無線通信システムに関する。システムはシングルコードワード（ＳＯＷ）またはダブルコードワード（ＤＣＷ）のいずれでも使用することができる。プリコーディング方法は送信ビームフォーミング（ＴｘＢＦ）に基づく。差分処理によるエラー蓄積または伝播を回避するために、周期的な非差分フィードバックを用いる差分フィードバックについて考慮する。
Patent JP-2010507579-A (JP)
IPC: C12N15/113
Filed: 2007-10-18
Abstract: Provided herein are gapmer oligomeric compounds for reduction of target RNA in vivo comprising different nucleotide modifications within one or both wing regions. Also provided are methods of using such oligomeric compounds, including use in animals. In certain embodiments, such compound have desirable potency and toxicity characteristics.
Patent JP-2010507979-A (JP)
Title: 符号分割多重アクセス及び単一キャリア周波数分割多重アクセス送信を多重化するための方法及び装置
IPC: H04J11/00
Filed: 2007-10-19
Abstract: 本発明は多重化されたシンボルを送信するための方法を提供する。本方法の一実施例は、少なくとも１つの第１のシンボル及び少なくとも１つの第２のシンボルにアクセスするステップ、周波数分割プロトコルに従って少なくとも１つの第１のシンボルを符号化するステップ、及び巡回相関プロパティを有する符号化シーケンスを用いて少なくとも１つの第２のシンボルを符号化するステップを含む。本方法はまた、少なくとも１つの符号化された第１のシンボル及び少なくとも１つの符号化された第２のシンボルを示す無線周波数信号を送信するステップを含む。
Patent JP-2010509322-A (JP)
Title: Ｄｎａ複合体化薬
IPC: G01N27/416
Filed: 2007-11-09
Abstract: 本発明は、構造(I)の化合物を提供し、式中、Xは、S、O又はNR N であり、R N は、H又はアルキルであり、Lは、リンカー基であり、Qは、2本鎖DNAと結合することができる基であり、G及びG'は、独立に、存在しないか、又は1個から20個までの主鎖原子を有し、FGは、少なくとも1つのO原子若しくはN原子又は遷移金属錯体を含む官能部分であり、Rは、H、アルキル、アルコキシ又は6員環を形成するようにLにおける原子に結合したOCR a R b からなる群から選択され、R a 及びR b は、独立にHであるか、又は場合によって置換されたアルキルである。
Patent JP-2010511657-A (JP)
IPC: A61K45/00
Filed: 2007-11-28
Abstract: The present invention relates to compounds of formula I wherein R<SUP>1 </SUP>and R<SUP>2 </SUP>are as defined in the description and claims, and pharmaceutically acceptable salts thereof. The compounds are useful for the treatment and/or prevention of diseases which are associated with the modulation of H3 receptors.
Patent JP-2010511672-A (JP)
Title: 抗菌性キノリン誘導体
IPC: A61K31/4704
Filed: 2007-12-04
Abstract: 本発明は、立体化学異性体形態物のいずれも包含する一般式（Ｉａ）または式（Ｉｂ）： 【化１】     に従う新規な置換キノリン誘導体、これらの製薬学的に許容される塩、Ｎ−オキサイド形態物または溶媒和物に関する。この請求する化合物は細菌感染の治療で用いるに有用である。また、製薬学的に許容される担体および請求する化合物を有効成分として治療的に有効な量で含有して成る組成物、請求する化合物または組成物を細菌感染治療用薬剤の製造で用いることおよび請求する化合物の製造方法も請求する。 【選択図】    なし
Patent JP-2010512533-A (JP)
Title: 電気化学センサデバイス、及び当該電気化学センサデバイスの作製方法
IPC: G01N27/414
Filed: 2007-12-07
Abstract: 試料を分析する電気化学センサデバイス(100)であって、前記試料の粒子に対して敏感なセンサ部(102)を含む電子チップ(101)、該電子チップ(101)と共に流体路を画定するように前記電子チップ(101)と結合するキャリア部材(103,104)、及び該キャリア部材(103,104)の表面部に供される対向電極(105)を有する、デバイス(100)。
Patent JP-2010515723-A (JP)
Title: 組織培養した参不定根そのものを含む化粧料組成物およびその製造方法
IPC: A61Q19/08
Filed: 2007-03-02
Abstract: 本発明は組織培養した参（オタネニンジン）不定根そのものを含む化粧料組成物およびその製造方法に関する。本発明の化粧料組成物は、組織培養した参不定根の抽出物を別途に製造して含むものではなく、組成物に含まれた、組織培養した参不定根そのものから有用成分の浸出を誘導することを特徴とする。本発明の組成物は前記浸出した有用成分およびその含量が持続的に維持され、また、組成物内の参不定根を視覚的に認知できるという点で使用者の信頼感と使用満足度が向上される。また、前記化粧料組成物の製造方法は、組織培養した参不定根から有用成分を抽出、分離、および精製するための別途の過程を行う必要がないため、工程が単純化し、費用が節減され、且つ前記工程による有用成分の消失も防止できる長所がある。
Patent JP-2010519277-A (JP)
Title: 殺菌剤ｎ−（３−フェニルプロピル）カルボキサミド誘導体
IPC: A01P3/00
Filed: 2008-02-21
Abstract: 一般式（Ｉ）で表される化合物。この化合物を調製する方法。一般式（Ｉ）で表される化合物を含んでいる殺菌剤組成物。一般式（Ｉ）で表される化合物又はそれを含んでいる組成物を施用することによる、植物の処置方法。
Patent JP-2010518997-A (JP)
Title: 透析器を満たすための、及び／又は、空にするための装置及び方法
IPC: A61M1/14
Filed: 2008-02-26
Abstract: 本発明は、透析器を透析液で満たすための及び／又は透析器から透析液を排出するための装置及び方法に関する。ここで、装置は、移動式であると共に、液体、好ましくはＲＯ水を受けるための少なくとも１つの液体容器と、濃縮物を入れるための少なくとも１つの濃縮物容器及び／又は濃縮物を有するコンテナに接続するための濃縮物接続部と、その中で、液体容器の液体が、濃縮物容器の濃縮物及び／又は濃縮物を有するコンテナの濃縮物と混合可能に配設及び形成された、少なくとも１つの調製装置と、を備えている。本発明はさらに、透析器を透析液で満たすため及び／又は透析器から透析液を排出するための装置の使用方法にも関する。 【選択図】図１
Patent JP-2010521908-A (JP)
Title: プロキシ・モバイルｉｐルーティング
IPC: H04W40/36
Filed: 2007-03-23
Abstract: 【解決手段】  モバイル・ノードは、第１のプロキシ・モバイル・エージェントに付属され、前記第１のプロキシ・モバイル・エージェントを介して前記モバイル・ノードと応答ノードとの間の最適化経路が確立される。前記モバイル・ノードが後に第２のプロキシ・モバイル・エージェントに付属されたときは、前記モバイル・ノードが前記第１のプロキシ・モバイル・エージェントに付属されなくなったことが判定される。前記判定の結果、経路最適化をキャンセルする要求が前記第１のプロキシ・モバイル・エージェントから前記応答ノードに送信される。一実施形態では、前記応答ノードからのパケットは、前記プロキシ・モバイル・エージェントから前記ホーム・エージェント及び前記モバイル・ノードにバイキャストされる。前記プロキシ・モバイル・エージェントは、前記ホーム・エージェントからパケットが返されない場合は、前記モバイル・ノードが付属されなくなったことを判定する。 【選択図】  図３
Patent JP-2011141723-A (JP)
Title: Authority notification management book
Inventor: SUGI NOBUKAZU
IPC: G06Q50/26
Filed: 2010-01-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide an authority notification management book by which required information can be quickly found regarding a notification management table for a large-scale construction constituted by a number of constructions.  <P>SOLUTION: The authority notification management book (1) is constituted by the plurality of notification management tables each having different application such as: a notification schedule table (10) for associating and displaying notification requirement and notification schedule for each of the plurality of constructions; a notification determination table (11) for associating and displaying the notification requirement and its ground for each of the plurality of constructions; a notification item table (30) for associating and displaying the notification type and information on notification documents for each of the plurality of constructions; and a description item table (40) for associating and displaying description items described on the notification document for each of the notification documents.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011146155-A (JP)
Title: Fuel cell and its discharge method
Inventor: HOTTA YUTAKA
IPC: H01M8/04
Filed: 2010-01-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fuel cell capable of restraining its degradation at its discharging.  <P>SOLUTION: The fuel cell stack 100, provided with a fastening plate for fastening two sheets of end plates 16 pinching a cell laminate 10 from either side for sticking each cell to the other, has a fluid flow channel 62 capable of injecting ion water as conductive fluid in order to discharge a charge stored in each cell 27, an air vent channel 61 for evacuating air driven out by injection of ion water, and a communication channel 63 communicating the fluid flow channel 62 and the air vent channel 61 at an opposite side of ion water injection between the fastening plate and the cell laminate 10. The fluid flow channel 62 and the air vent channel 61 are extended outside penetrating a casing 51, with a lid 54 attached at a tip.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011146263-A (JP)
Title: Light-emitting diode illumination device and light-emitting diode illumination system
Inventor: MASAKI HIROMITSU
IPC: H05B37/02
Filed: 2010-01-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a light-emitting diode illumination device and a light-emitting diode illumination system which enable controlling light of a plurality of light-emitting diode illumination devices and obviating attachment work to an illumination system in an illumination system controlling light by a conventional dimmer for an incandescent lamp.  <P>SOLUTION: A light-emitting diode illumination device 10 includes: a rectifier D1; a holding current maintaining circuit 18; a constant current circuit 20; a holding current limiting circuit 22; and a light-emitting diode load 24. The holding current maintaining circuit 18 receives a voltage output from the rectifier D1 and secures a holding current to maintain the circuit operation of a dimmer 12. Thereby, light adjustment of a plurality of light-emitting diode illumination devices is enabled by utilizing the illumination system using a dimmer for an incandescent lamp as it is.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011150815-A (JP)
Title: Lighting fixture apparatus
Inventor: URANO YOJI
IPC: H01L33/64
Filed: 2010-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a lighting fixture apparatus, capable of suppressing a temperature rise of LED chips, achieving a high power of light emission, and moreover suppressing a periphery of the lighting fixture from becoming dark.  <P>SOLUTION: The lighting fixture apparatus includes a lengthy LED unit 2 having a plurality of light emitters 1 using LED chips 10 on one face side in a thickness direction, a reflection plate 110 held in a fixture body 100, a lighting unit 120 for lighting the LED unit, and a radiation block 150 which is arranged on the other face side of the LED unit 2 and for which the LED unit 2 is mounted replaceably and which radiates heat generated by the LED unit 2. In the reflection plate 110, there is formed an embedding part 115 in which the LED unit 2 is embedded and the radiation block 150 is held by the reflection plate 110. A plane surface section among surfaces for extracting light from the light emitter 1 in the LED unit 2 and a periphery of the embedded part 115 in a reflection surface 110a of the reflection plate 110 are made on the same plane.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011147982-A (JP)
Title: Solder, electronic component, and method for manufacturing the electronic component
Inventor: TSUDA TOSHIMASA
IPC: H05K3/34
Filed: 2010-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a solder material which is hardly melted by re-heating after soldering and has excellent mechanical properties and excellent corrosion resistance.  <P>SOLUTION: The solder material contains: first solder powder containing, by mass, 7% to 9% Cu, 0.001% to 0.05% Si, and 0.001% to 0.05% Ti, and the balance Sn; Cu powder with its surface being covered with Ag; and flux to be mixed with the first solder powder and the Cu powder and raw materials thereof.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011155737-A (JP)
Title: Battery charging device
Inventor: ICHIKAWA SHINJI
IPC: H02J7/00
Filed: 2010-01-26
Abstract: <P>PROBLEM TO BE SOLVED: To achieve quick battery charging while suppressing power input into a charging system that quickly charges a plurality of batteries.  <P>SOLUTION: A first charger 410 and second charger 420 output power in a mode selected form a first or second charging mode. In the first charging mode, an output power P1 of the first charger 410 is the same with an output power P2 of the second charger 420. In the second charging mode, an output power of the first charger 410 is increased. The second charger 420 outputs power where the output power P1 of the first charger 410 reduced from the largest power Pmax that the first charger 410 outputs.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011155213-A (JP)
Title: Method for manufacturing circuit module
Inventor: HARA HIROKI
IPC: H05K3/10
Filed: 2010-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To simplify a step of forming an opening portion on a metal layer in a circuit module, in which the surface of an insulating resin thereof is covered with a metal layer.  <P>SOLUTION: A manufacturing method includes a step (ST101) of preparing a circuit module unit in which a circuit component mounted on a substrate is covered with an insulating resin; a step (ST102) of forming a first metal layer on at least a part of the surface of the insulating resin forming the circuit module unit; a step (ST103) of removing a first metal layer existing between a portion, where the opening is to be formed on the surface of the insulating resin and a portion where the first metal layer is to be left on the surface of the insulating resin; and a step (ST104) of applying a current to the first metal layer of the portion to be left and of forming a second metal layer on the portion and removing the first metal layer of a portion forming the opening portion.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011157500-A (JP)
Title: Organic/inorganic compound gel having repetitious concavo-convex structure on the surface, and method for manufacturing the same
Inventor: HARAGUCHI KAZUTOSHI
IPC: C08J3/075
Filed: 2010-02-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide an organic/inorganic compound gel having improved surface slipperiness.  <P>SOLUTION: An aqueous solution containing a water-soluble radically polymerizable organic monomer and a finely-dispersed water-swelling clay mineral is poured into a vessel having at least a part of the surface of its base material composed of a material of high oxygen permeability or is brought into contact with a gas having an oxygen concentration of 10 ppm or higher. The water-soluble radically polymerizable organic monomer is thus polymerized to prepare the organic/inorganic compound gel. The organic/inorganic compound gel is stretched at a draw ratio of 1.5-15 times that does not cause gel fracture, to form a linear repetitious concavo-convex part of a micrometer level on the gel surface. The organic/inorganic compound gel having excellent surface slipperiness is thus obtained.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011157902-A (JP)
Title: Connector and fuel supply device
Inventor: NAKAMURA TAICHI
IPC: F02M37/10
Filed: 2010-02-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a connector and a fuel supply device enhancing the work efficiency of connection between terminals and harnesses while inhibiting increase of the size.  <P>SOLUTION: The connector 20 is provided on a holder part 4, which includes a cylindrical upper cup 5 containing a fuel pump arranged in a fuel tank, for supplying electric power of an external power source to the fuel pump. The connector includes a connector housing to which an external connector connected to the external power source can be fitted, a plurality of harness connection parts 51 into which the respective other ends of the plurality of harnesses connected at one ends to the fuel pump can be inserted separately, and the plurality of terminals extending from the connector housing to the harness connection parts 51. The respective harness connection parts 51 are arranged in parallel along the outer peripheral face of the upper cup 5.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011162288-A (JP)
Title: Safety device of passenger conveyor
Inventor: KOBARI TAKERO
IPC: B66B29/04
Filed: 2010-02-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a safety device of a passenger conveyor for improving safety, by preventing foreign matter from entering a handrail inlet part.  <P>SOLUTION: A handrail guard 8 having a pair of left-right sidewall parts 8b and an anti-handrail inlet part side end wall part 8c is arranged in a clearance between a renewal part of a handrail and a floor surface of an escalator getting-off place. Among its handrail guard 8, the upper end of the end wall part 8c is constituted of a rocking panel 9 rockable in the contacting-separating direction to a handrail outer peripheral surface 7b while opposing in close vicinity to the handrail outer peripheral surface 7b.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2010118073-A (JP)
Title: Point card device
Inventor: TAKEMOTO TAKATOSHI
IPC: G06Q20/06
Filed: 2010-02-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a point card device for developing a new customer of a game hall from customers on an attached shop side by giving benefits to the customers of both the game hall and the attached store and fully utilizing advantages of a form of combined shop.  <P>SOLUTION: A premium customer management terminal 600 accumulates store points of a customer according to his/her commodity purchase amount in a convenience store 20, and accumulates, when Pachinko balls are lent out for pay from a game medium lending device 200, game hall points of the customer according to its amount. The game medium lending device 200 returns store points to the profit by paying out Pachinko balls when the store points are fixed amount or more. A POS device 300 returns the profit of points to the customer by reducing the commodity purchase amount at a prescribed ratio instead of the game hall points when the game hall points are fixed amount or more. In addition, the POS device 300 provides the customer with appropriate premiums according to the total of the store points and the game hall points.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2011026184-A (JP)
Title: Method for producing intermediate film for laminated glass, intermediate film for laminated glass and laminated glass
Inventor: YOSHIDA TAKESHI
IPC: C03C27/12
Filed: 2010-02-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide an intermediate film for laminated glass, which is inexpensive and can allow the penetration resistance of the laminated glass to be enhanced by controlling the adhesive power between sheet glass and the intermediate film within a moderate range and can allow the laminated glass to have stable penetration resistance and to provide a method for producing the intermediate film for laminated glass.  <P>SOLUTION: The intermediate film 11 for laminated glass, which includes first and second surface layers 2, 3 and at least one intermediate layer 12-14 held between the first and second surface layers 2, 3, comprises one layer or two or more layers of the at least one intermediate layer 12-14 formed by using the intermediate film obtained by removing the sheet glass from the laminated glass having the sheet glass and the intermediate film. The method for producing the intermediate film 11 for laminated glass comprises a step of forming one layer or two or more layers of the at least one intermediate layer 12-14 by using the intermediate film obtained by removing the sheet glass from the laminated glass having the sheet glass and the intermediate film.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011167911-A (JP)
Title: Liquid jet system, liquid injector, and liquid housing container
Inventor: OKINA TAKUYA
IPC: B41J2/175
Filed: 2010-02-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a liquid jet system which can record a print of high quality, and a liquid injector and a liquid housing container.  <P>SOLUTION: The liquid jet system includes a liquid jet head 10 for injecting a liquid, a carriage 40 which carries the liquid jet head 10 and moves for scanning, a first magnetic body 41 which moves according to the scanning of the carriage 40, a liquid housing container body 62 for holding the liquid which is arranged in a predetermined region S2 adjacent to the scanning region S1 of the carriage 40 and stores the liquid, and a second magnetic body 61 which is arranged in the liquid housing container body 62, and is moved by a magnetic force generated between the first magnetic body 41 and the second magnetic body to agitate the liquid stored in the liquid housing container body 62.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011167949-A (JP)
Title: Thermal type lithographic printing plate
Inventor: AGATA KOICHI
IPC: B41N1/14
Filed: 2010-02-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a thermal type lithographic printing plate capable of improving dirt recoverability and blanket piling while holding sufficient printing durability.  <P>SOLUTION: The thermal type lithographic printing plate is characterized in that it has at least two image forming layers containing a thermoplastic resin, hot-melt substance, and a water-soluble polymer compound on a water resistant support body and that the image forming layer (B) furthest away from the water resistant support body contains gelatin and polysaccharide.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011169846-A (JP)
Title: Map display device
Inventor: ISHIKAWA TAKAAKI
IPC: G09B29/00
Filed: 2010-02-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a map display device which provides weather information to a user without displaying the weather information overlaid on a map on a display monitor screen.  <P>SOLUTION: The map display device includes: a display monitor 16 which displays the map; a current location detector 14 which detects the current location of a vehicle; a satellite radio receiving part 111 which receives the weather information of each region; a receiving memory 112 which stores the weather information received by the satellite radio receiving part 111; a control circuit 11 which extracts the weather information of the current location of the vehicle detected by the current location detector 14 from the weather information stored by the receiving memory 112; and a speaker 17 which outputs sound data evoking the weather information extracted by the control circuit 11.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011174270-A (JP)
Title: Mounting structure for veranda partition wall, veranda partition wall therefor, and mounting method
Inventor: ABE ATSUSHI
IPC: E04B1/00
Filed: 2010-02-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a mounting structure or the like for a veranda partition wall, which alleviates a work load in carrying-in and mounting of the partition wall, exhibits excellent design effects and secures structural strength.  <P>SOLUTION: The partition wall 1 is constituted of a lower side unit 7 and an upper side unit 12. Window side vertical members 3, 9 are supported with a guide rail 13 to the window side wall surface of the veranda, the handrail side vertical member 2 of a lower side unit 7 of handrail side vertical members 2, 8 is fixed to a handrail support H<SB>p</SB>with a bracket 14. Connection grooves 2b, 8b formed on an outdoor side surface in the member longitudinal direction continues between the lower side unit 7 and upper side unit 12. A connecting member 15 wherein a connecting projection 15a formed, projecting toward the handrail side vertical member in the member longitudinal direction, is inserted into the connection grooves 2b, 8b to be mounted, is arranged so as to override the connection part of at least the lower side unit 7 and upper side unit 12. Then, the lower end side of the connecting member 15 is fixed to the bracket 14 and its upper end side is fixed to a veranda ceiling surface B<SB>C</SB>.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011179042-A (JP)
Title: Method for manufacturing thick-wall high-tensile-strength hot-rolled steel plate superior in low-temperature toughness
Inventor: KAMI TSUTOMU
IPC: C22C38/58
Filed: 2010-02-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a thick-wall high-tensile-strength hot-rolled steel plate superior in low-temperature toughness, which is suitable as a base material for a high-strength electroseamed steel pipe of an X65 grade or higher.  <P>SOLUTION: A base material for the steel plate includes, by mass%, 0.02-0.25% C, 0.3-2.3% Mn, 0.03-0.25% Nb and 0.001-0.10% Ti so as to satisfy (Ti+Nb/2)/C<4. The manufacturing method includes: the first cooling step of acceleratingly cooling a hot-rolled plate which has been subjected to a hot rolling consisting of rough rolling and finish rolling steps and to a finish rolling step, at such an average cooling rate that the average cooling rate of the surface of the hot-rolled plate is 20°C/s or higher but lower than a critical cooling rate at which martensite is produced; the second cooling step of rapidly cooling the cooled plate until a temperature at the center of the plate thickness reaches the temperature range of 350°C or higher but lower than 600°C; and the third cooling step of winding up the plate into a coil form at a winding temperature in the temperature range of 350°C or higher but lower than 600°C at the center of the plate thickness, and cooling the coil by keeping or retaining it in the temperature range of 350-600°C for 30 min or longer.  <P>COPYRIGHT: (C)2011,JPO&INPIT