公开(公告)号：US07967926B2

公开(公告)日：2011-06-28

申请号：US12462218

申请日：2009-07-30

申请人： Eiji Tsuru ,  Hitoshi Asahi

发明人： Eiji Tsuru ,  Hitoshi Asahi

IPC分类号： C21D9/08

CPC分类号： C22C38/02 ,  B21C37/065 ,  B21C37/08 ,  B21C37/0822 ,  B21C37/0826 ,  C21D9/08 ,  C21D9/50 ,  C22C38/04 ,  C22C38/12 ,  C22C38/14 ,  Y10T29/18

摘要： The present invention relates to UOE steel pipe excellent in collapse characteristics formed by the UOE production method and a method for forming this UOE steel pipe, said UOE steel pipe characterized in that a ratio between compression and tension of yield strength in the circumferential direction is at least 1.05 near the inside surface and is at least 0.9 to not more to 1.0 from the center of plate thickness to the outside surface.

摘要翻译： 本发明涉及通过UOE制造方法形成的具有优异的塌陷特性的UOE钢管和形成该UOE钢管的方法，所述UOE钢管的特征在于，圆周方向的屈服强度的压缩与张力之比为 在内表面附近至少为1.05，并且从板厚中心到外表面为至少0.9至不大于1.0。

公开(公告)号：US07920443B2

公开(公告)日：2011-04-05

申请号：US12860649

申请日：2010-08-20

申请人： Shogo Horinouchi ,  Takashi Haruguchi ,  Taiichi Mori ,  Hideki Yoshinaka ,  Nobuyuki Tokubuchi ,  Shin Ishibashi ,  Hitoshi Asahi

发明人： Shogo Horinouchi ,  Takashi Haruguchi ,  Taiichi Mori ,  Hideki Yoshinaka ,  Nobuyuki Tokubuchi ,  Shin Ishibashi ,  Hitoshi Asahi

IPC分类号： G11B7/00

CPC分类号： G11B7/1362 ,  G11B7/0932 ,  G11B7/0933 ,  G11B7/0935 ,  G11B7/0956 ,  G11B7/121 ,  G11B7/123 ,  G11B7/1275 ,  G11B7/1353 ,  G11B7/1356 ,  G11B7/1374 ,  G11B7/139 ,  G11B7/13925 ,  G11B7/22 ,  G11B2007/0006

摘要： An optical pickup device includes light sources for respectively emitting a plurality of different wavelengths of light, a unit structured for causing at least a part of the light emitted from the light sources to pass a same optical path; and a focusing unit for focusing the light. The focusing unit includes at least first and second focusing parts, the first focusing part being to focus mainly a wavelength of light different from a wavelength of light to be mainly focused by the second focusing part. The optical pickup device and optical disk device are capable of realizing at least one of thickness reduction, size reduction and suppression against characteristic deterioration even where coping with various wavelengths of laser including a blue laser.

公开(公告)号：US07920442B2

公开(公告)日：2011-04-05

申请号：US12860583

申请日：2010-08-20

申请人： Shogo Horinouchi ,  Takashi Haruguchi ,  Taiichi Mori ,  Hideki Yoshinaka ,  Nobuyuki Tokubuchi ,  Shin Ishibashi ,  Hitoshi Asahi

发明人： Shogo Horinouchi ,  Takashi Haruguchi ,  Taiichi Mori ,  Hideki Yoshinaka ,  Nobuyuki Tokubuchi ,  Shin Ishibashi ,  Hitoshi Asahi

IPC分类号： G11B7/00

CPC分类号： G11B7/1362 ,  G11B7/0932 ,  G11B7/0933 ,  G11B7/0935 ,  G11B7/0956 ,  G11B7/121 ,  G11B7/123 ,  G11B7/1275 ,  G11B7/1353 ,  G11B7/1356 ,  G11B7/1374 ,  G11B7/139 ,  G11B7/13925 ,  G11B7/22 ,  G11B2007/0006

摘要： An optical pickup device includes light sources for respectively emitting a plurality of different wavelengths of light, a unit structured for causing at least a part of the light emitted from the light sources to pass a same optical path; and a focusing unit for focusing the light. The focusing unit includes at least first and second focusing parts, the first focusing part being to focus mainly a wavelength of light different from a wavelength of light to be mainly focused by the second focusing part. The optical pickup device and optical disk device are capable of realizing at least one of thickness reduction, size reduction and suppression against characteristic deterioration even where coping with various wavelengths of laser including a blue laser.

摘要翻译： 一种光学拾取装置包括用于分别发射多个不同波长的光的光源，构成为使得从光源发射的光的至少一部分通过相同光路的单元; 以及用于聚焦光的聚焦单元。 聚焦单元至少包括第一和第二聚焦部分，第一聚焦部分主要聚焦不同于由第二聚焦部分主要聚焦的光的波长的光的波长。 光拾取装置和光盘装置能够实现厚度减小，尺寸减小和抑制特性劣化中的至少一个，即使在应对包括蓝色激光的各种波长激光的情况下。

公开(公告)号：US20100315935A1

公开(公告)日：2010-12-16

申请号：US12860583

申请日：2010-08-20

申请人： Shogo Horinouchi ,  Takashi Haruguchi ,  Taiichi Mori ,  Hideki Yoshinaka ,  Nobuyuki Tokubuchi ,  Shin Ishibashi ,  Hitoshi Asahi

发明人： Shogo Horinouchi ,  Takashi Haruguchi ,  Taiichi Mori ,  Hideki Yoshinaka ,  Nobuyuki Tokubuchi ,  Shin Ishibashi ,  Hitoshi Asahi

IPC分类号： G11B7/135

CPC分类号： G11B7/1362 ,  G11B7/0932 ,  G11B7/0933 ,  G11B7/0935 ,  G11B7/0956 ,  G11B7/121 ,  G11B7/123 ,  G11B7/1275 ,  G11B7/1353 ,  G11B7/1356 ,  G11B7/1374 ,  G11B7/139 ,  G11B7/13925 ,  G11B7/22 ,  G11B2007/0006

摘要： An optical pickup device includes light sources for respectively emitting a plurality of different wavelengths of light, a unit structured for causing at least a part of the light emitted from the light sources to pass a same optical path; and a focusing unit for focusing the light. The focusing unit includes at least first and second focusing parts, the first focusing part being to focus mainly a wavelength of light different from a wavelength of light to be mainly focused by the second focusing part. The optical pickup device and optical disk device are capable of realizing at least one of thickness reduction, size reduction and suppression against characteristic deterioration even where coping with various wavelengths of laser including a blue laser.

摘要翻译： 一种光学拾取装置包括用于分别发射多个不同波长的光的光源，构成为使得从光源发射的光的至少一部分通过相同光路的单元; 以及用于聚焦光的聚焦单元。 聚焦单元至少包括第一和第二聚焦部分，第一聚焦部分主要聚焦不同于由第二聚焦部分主要聚焦的光的波长的光的波长。 光拾取装置和光盘装置能够实现厚度减小，尺寸减小和抑制特性劣化中的至少一个，即使在应对包括蓝色激光的各种波长激光的情况下。

公开(公告)号：US20100236668A1

公开(公告)日：2010-09-23

申请号：US12308677

申请日：2007-07-02

申请人： Takuya Hara ,  Hitoshi Asahi ,  Yoshio Terada

发明人： Takuya Hara ,  Hitoshi Asahi ,  Yoshio Terada

IPC分类号： C21D9/08 ,  C21D8/02 ,  C22C38/12 ,  C22C38/04 ,  C22C38/02

CPC分类号： F16L9/02 ,  B23K35/30 ,  C21D8/02 ,  C21D8/10 ,  C21D9/08 ,  C22C38/002 ,  C22C38/005 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/12 ,  C22C38/16 ,  C22C38/20 ,  C22C38/22 ,  C22C38/24 ,  C22C38/26 ,  C22C38/28 ,  C22C38/32 ,  C22C38/38 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/54 ,  C22C38/58

摘要： The present invention provides high strength steel pipe for line pipe superior in low temperature toughness suppressed in drop of toughness of the HAZ and a method of production of the same, more particularly high strength steel plate for line pipe used as a material for high strength steel pipe for line pipe and a method of production of the same, in particular high strength steel pipe for line pipe superior in low temperature toughness characterized in that the chemical compositions of the base metal is, by mass %, C: 0.020 to 0.080%, Si: 0.01 to 0.50%, Mo: 0.01 to 0.15%, Al: 0.0005 to 0.030%, and Nb: 0.0001 to 0.030% contained in a range of C+0.25Si+0.1Mo+Al+Nb: 0.100% or less and the mixture of austenite and martensite present along prior austenite grain boundaries of the reheated part of the heat affected zone has a width of 10 μm or less and a length of 50 μm or less.

摘要翻译： 本发明提供了一种耐高温韧性优异的管道管的高强度钢管，其抑制了HAZ的韧性下降及其制造方法，特别是用作高强度钢材料的管线管的高强度钢板 线管用管及其制造方法，特别是低温韧性优异的管线管用高强度钢管，其特征在于，所述贱金属的化学成分以质量％计含有C：0.020〜0.080％， Si：0.01〜0.50％，Mo：0.01〜0.15％，Al：0.0005〜0.030％，Nb：0.0001〜0.030％，C + 0.25Si + 0.1Mo + Al + Nb：0.100％以下， 存在于热影响区域的再加热部分的先前奥氏体晶界上的奥氏体和马氏体的混合物的宽度为10μm以下，长度为50μm以下。

公开(公告)号：US20080257008A1

公开(公告)日：2008-10-23

申请号：US11884860

申请日：2006-02-22

申请人： Eiji Tsuru ,  Takuya Hara ,  Hitoshi Asahi ,  Hiroshi Morimoto ,  Yoshio Terada ,  Tatsuya Yoshida ,  Kouichi Shinada

发明人： Eiji Tsuru ,  Takuya Hara ,  Hitoshi Asahi ,  Hiroshi Morimoto ,  Yoshio Terada ,  Tatsuya Yoshida ,  Kouichi Shinada

IPC分类号： B21C37/08 ,  B23K9/02 ,  C21D3/06 ,  C21D9/08 ,  C22C38/00 ,  F16L9/02

CPC分类号： B23K31/027 ,  B21C37/08 ,  B23K33/006 ,  B23K2101/06 ,  C21D3/06 ,  C21D9/08 ,  C21D9/50 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/58 ,  Y10T29/5185

摘要： The present invention provides a high strength welded steel pipe superior in weld zone embrittlement crack characteristics and a method of production of the same, that is, a method of production of a welded steel pipe superior in hydrogen embrittlement cracking resistance of weld metal characterized by seam welding from the inner and outer surfaces by a tensile strength of 850 MPa or more, then expanding or reducing the size of the pipe for correction, which method of production of welded steel pipe characterized in that the hydrogen concentration of the preceding weld metal is 0.2 cc or less per 100 g at ordinary temperature.

摘要翻译： 本发明提供了一种焊接区脆性裂纹特性优异的高强度焊接钢管及其制造方法，即以接缝为特征的焊接金属的耐氢脆裂纹性优异的焊接钢管的制造方法 从内外表面拉伸强度为850MPa以上，然后扩大或缩小用于校正的管道的尺寸，该焊接钢管的制造方法的特征在于，前述焊接金属的氢浓度为0.2 在常温下每100g 100g以下。

公开(公告)号：US20070193666A1

公开(公告)日：2007-08-23

申请号：US11684915

申请日：2007-03-12

申请人： Hitoshi Asahi ,  Takuya Hara ,  Yoshio Terada ,  Masaaki Sugiyama ,  Narasimha-Rao Bangaru ,  Ja-Young Koo ,  Hyun-Woo Jin ,  Adnan Ozekcin ,  Douglas Fairchild

发明人： Hitoshi Asahi ,  Takuya Hara ,  Yoshio Terada ,  Masaaki Sugiyama ,  Narasimha-Rao Bangaru ,  Ja-Young Koo ,  Hyun-Woo Jin ,  Adnan Ozekcin ,  Douglas Fairchild

IPC分类号： C22C38/08

CPC分类号： C22C38/44 ,  B32B15/01 ,  C21D1/18 ,  C21D1/19 ,  C21D6/005 ,  C21D8/02 ,  C21D8/021 ,  C21D2211/002 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/08 ,  C22C38/12 ,  C22C38/14 ,  C22C38/58

摘要： A dual phase, high strength steel having a composite microstructure of soft and hard phases providing a low yield ratio, high strain capacity, superior weldability, and high toughness is provided. The dual phase steel includes from about 10% by volume to about 60% by volume of a first phase or constituent consisting essentially of fine-grained ferrite. The first phase has a ferrite mean grain size of about 5 microns or less. The dual phase steel further includes from about 40% by volume to about 90% by volume of a second phase or constituent comprising fine-grained martensite, fine-grained lower bainite, fine-grained granular bainite, fine-grained degenerate upper bainite, or any mixture thereof. Methods for making the same are also provided.

摘要翻译： 提供具有提供低屈服比，高应变能力，优异的可焊性和高韧性的软硬相的复合组织的双相高强度钢。 双相钢包含约10体积％至约60体积％的基本上由细粒铁素体组成的第一相或组分。 第一相具有约5微米或更小的铁素体平均粒度。 双相钢还包括约40体积％至约90体积％的第二相或包含细晶粒马氏体，细晶粒下贝氏体，细晶粒状贝氏体，细晶粒退化上贝氏体或 其任何混合物。 还提供了制备它们的方法。

公开(公告)号：US20070125462A1

公开(公告)日：2007-06-07

申请号：US10582830

申请日：2004-12-17

申请人： Hitoshi Asahi ,  Takuya Hara

发明人： Hitoshi Asahi ,  Takuya Hara

IPC分类号： C22C38/12 ,  C22C38/14

CPC分类号： C22C38/12 ,  C21D8/02 ,  C21D8/0205 ,  C21D8/0226 ,  C21D8/0263 ,  C21D8/105 ,  C21D9/08 ,  C21D9/46 ,  C21D2211/002 ,  C22C38/001 ,  C22C38/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/14 ,  C22C38/16 ,  C22C38/22 ,  C22C38/26 ,  C22C38/28 ,  C22C38/38 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/54 ,  C22C38/58

摘要： Ultra-high-strength linepipes having excellent low-temperature toughness manufactured by welding together the edges of steel plates comprising C of 0.03 to 0.07 mass %, Si of not more than 0.6 mass %, Mn of 1.5 to 2.5 mass %, P of not more than 0.015 mass %, S of not more than 0.003 mass %, Ni of 0.1 to 1.5 mass %, Mo of 0.15 to 0.60 mass %, Nb of 0.01 to 0.10 mass %, Ti of 0.005 to 0.030 mass %, Al of not more than 0.06 mass %, one or more of required amounts of B, N, V, Cu, Cr, Ca, REM (rare-earth metals) and Mg, with the remainder consisting of iron and unavoidable impurities and having a (Hv-ave)/(Hv-M) ratio between 0.8 and 0.9 at 2.5≦P≦4.0, wherein Hv-ave is the average Vickers hardness in the direction of the thickness of the base metal and Hv-M is the martensite hardness depending on C-content (Hv-M=270+1300C) and a tensile strength TS-C between 900 MPa and 1100 MPa; P=2.7C+0.4Si+Mn+0.8Cr+0.45(Ni+Cu)+(1+β)Mo−1+β (β=1 when B≧3 ppm and β=0 when B

摘要翻译： 通过将包含0.03〜0.07质量％的C，不大于0.6质量％的Si，1.5〜2.5质量％的Mn，1.5〜2.5质量％的Mn，不为P的钢板的边缘焊接在一起，制造出优异的低温韧性的超高强度线管 大于0.015质量％，S：0.003质量％以下，Ni：0.1〜1.5质量％，Mo：0.15〜0.60质量％，Nb：0.01〜0.10质量％，Ti：0.005〜0.030质量％ 大于0.06质量％，所需量的B，N，V，Cu，Cr，Ca，REM（稀土金属）和Mg中的一种或多种，​​其余由铁和不可避免的杂质组成，并具有（Hv- ave）/（Hv-M）的比例在2.5 <= P <= 4.0时为0.8-0.9，其中Hv-ave是贱金属厚度方向上的维氏硬度平均值，Hv-M是马氏体硬度取决于 （Hv-M = 270±1300℃），拉伸强度TS-C在900MPa〜1100MPa之间; 当B> = 3ppm时，P = 2.7C + 0.4Si + Mn + 0.8Cr + 0.45（Ni + Cu）+（1 +β）Mo-1 +β（当B <3ppm时，β= 。

公开(公告)号：US20050217768A1

公开(公告)日：2005-10-06

申请号：US10518663

申请日：2003-06-12

申请人： Hitoshi Asahi ,  Eiji Tsuru

发明人： Hitoshi Asahi ,  Eiji Tsuru

IPC分类号： B21C37/08 ,  C21D8/10 ,  C22C38/02 ,  C22C38/04 ,  C22C38/12 ,  C22C38/14 ,  C21D9/08

CPC分类号： B21C37/08 ,  C21D8/10 ,  C22C38/02 ,  C22C38/04 ,  C22C38/12 ,  C22C38/14 ,  Y10S148/909

摘要： The present invention provides a method of production of oil country tubular goods having a small drop in collapse pressure after expansion and having a collapse pressure recovering by low temperature ageing at about 100° C. and oil country tubular goods obtained by this method of production. This method of production comprises hot rolling a steel slab having amounts of addition of C, Mn, P, S, Nb, Ti, Al, and N in specific ranges and having a balance of iron and unavoidable impurities and shaping the steel strip coiled at a temperature of not more than 300° C. as it is into a tube. Alternatively, it comprises heating steel pipe having amounts of addition of C, Mn, P, S, Nb, Ti, Al, and N in specific ranges and having a balance of iron and unavoidable impurities to a temperature of the Ac3 [° C.] to 1150° C., then cooling it in a range of 400 to 800° C. at a rate of 5 to 50° C./second.

摘要翻译： 本发明提供一种制造膨胀后的塌陷压力小而且在约100℃下通过低温老化回收的塌陷压力和通过该生产方法获得的油管制品的油井筒制品的生产方法。 这种生产方法包括在特定范围内热轧具有C，Mn，P，S，Nb，Ti，Al和N的添加量的钢坯，并且具有铁和不可避免的杂质的平衡，并将钢带卷绕在 温度不超过300℃，因为它进入管中。 或者，它包括加热具有特定范围内的C，Mn，P，S，Nb，Ti，Al和N的量的钢管，并且将铁和不可避免的杂质的余量添加到Ac 3 ℃至1150℃，然后以5〜50℃/秒的速率在400〜800℃的范围内进行冷却。

公开(公告)号：US06866725B2

公开(公告)日：2005-03-15

申请号：US10220441

申请日：2001-02-28

申请人： Nobuhiro Fujita ,  Naoki Yoshinaga ,  Manabu Takahashi ,  Hitoshi Asahi ,  Yasuhiro Shinohara ,  Yasushi Hasegawa

发明人： Nobuhiro Fujita ,  Naoki Yoshinaga ,  Manabu Takahashi ,  Hitoshi Asahi ,  Yasuhiro Shinohara ,  Yasushi Hasegawa

IPC分类号： C21D8/10 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C22C38/14

CPC分类号： C21D8/10 ,  C21D2201/05 ,  C22C38/001 ,  C22C38/002 ,  C22C38/004 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C22C38/14 ,  Y10S148/909

摘要： The present invention is a high strength steel pipe excellent in formability in hydroforming and similar forming methods, characterized by: containing, in mass, C of 0.0005 to 0.30%, Si of 0.001 to 2.0%, Mn of 0.01 to 3.0% and appropriate amounts of other elements if necessary, with the balance consisting of Fe and unavoidable impurities; and an average for the ratios of the X-ray strength in the orientation component group of {110} to {111} to random X-ray diffraction strength on a plane at the wall thickness center being 2.0 or more and/or a ratio of the X-ray strength in the orientation component of {110} to random X-ray diffraction strength on the plane at the wall thickness center being 3.0 or more.

摘要翻译： 本发明是一种在液压成形方法和类似成形方法中成形性优异的高强度钢管，其特征在于：以质量计含有0.0005〜0.30％的Si，0.001〜2.0％的Si，0.01〜3.0％的Mn和适量的 的其他元素，如有必要，余量由Fe和不可避免的杂质组成; {110} <110> <111> <110>的取向成分组中的X射线强度与壁厚中心的平面上的随机X射线衍射强度的比率的平均值为2.0以上 和/或{110} <110>的取向成分中的X射线强度与壁厚中心的平面上的随机X射线衍射强度的比例为3.0以上。