公开(公告)号：US20090044882A1

公开(公告)日：2009-02-19

申请号：US11921349

申请日：2006-06-09

Applicant: Hitoshi Asahi ,  Taro Muraki ,  Hideyuki Nakamura ,  Eiji Tsuru

Inventor： Hitoshi Asahi ,  Taro Muraki ,  Hideyuki Nakamura ,  Eiji Tsuru

IPC: C21D9/08 ,  C22C38/00

CPC classification number: C22C38/002 ,  C21D1/22 ,  C21D1/25 ,  C21D9/14 ,  C21D9/50 ,  C21D2211/008 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/14

Abstract: The invention provides an oil well pipe for expandable tubular applications excellent in post-expansion toughness and a method of manufacturing the oil well pipe. The oil well pipe for expandable tubular applications comprises, in mass %, C: 0.03 to 0.14%, Si: 0.8% or less, Mn: 0.3 to 2.5%, P: 0.03% or less, S: 0.01% or less, Ti: 0.005 to 0.03%, Al: 0.1% or less, N: 0.001 to 0.01%, B: 0.0005 to 0.003%, optionally comprises one or move of Nb, Ni, Mo, Cr, Cu and V, and further optionally comprises one or both of Ca and REM, satisfies the relationship A=2.7C+0.4Si+Mn+0.45Ni+0.45Cu+0.8Cr+2Mo≧1.8, has a balance of iron and unavoidable impurities, and is formed of tempered martensite structure. The manufacturing method according to the invention is characterized in subjecting a steel stock pipe of the foregoing composition to hardening from a temperature range of Ac3 point+30° C. or greater and to tempering at a temperature of 350 to 720° C.

Abstract translation: 本发明提供了一种用于后膨胀韧性优异的可膨胀管状应用的油井管和一种制造油井管的方法。 可膨胀管状的油井管以质量％计含有C：0.03〜0.14％，Si：0.8％以下，Mn：0.3〜2.5％，P：0.03％以下，S：0.01％以下，Ti ：0.005〜0.03％，Al：0.1％以下，N：0.001〜0.01％，B：0.0005〜0.003％，任选地包含Nb，Ni，Mo，Cr，Cu和V中的一种或多种， 或Ca和REM两者满足A = 2.7C + 0.4Si + Mn + 0.45Ni + 0.45Cu + 0.8Cr + 2Mo> = 1.8的关系，其余为铁和不可避免的杂质，并且由回火马氏体组织形成 。 根据本发明的制造方法的特征在于，将上述组成的钢坯管从Ac 3点+ 30℃以上的温度范围进行硬化，并在350〜720℃的温度下回火。

公开(公告)号：US07459033B2

公开(公告)日：2008-12-02

申请号：US10518663

申请日：2003-06-12

Applicant: Hitoshi Asahi ,  Eiji Tsuru

Inventor： Hitoshi Asahi ,  Eiji Tsuru

IPC: C22C38/12 ,  C22C38/14

CPC classification number: B21C37/08 ,  C21D8/10 ,  C22C38/02 ,  C22C38/04 ,  C22C38/12 ,  C22C38/14 ,  Y10S148/909

Abstract: 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.

Abstract translation: 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，并且其余量为铁和不可避免的杂质至Ac 3 [℃]的温度。 ]至1150℃，然后以5至50℃/秒的速率在400至800℃的范围内冷却。

公开(公告)号：US20060163944A1

公开(公告)日：2006-07-27

申请号：US10535415

申请日：2003-11-20

Applicant: Eiji Tsuru ,  Shinji Uchida

Inventor： Eiji Tsuru ,  Shinji Uchida

IPC: B62D55/24

CPC classification number: B62D55/253 ,  B62D55/21 ,  B62D55/244

Abstract: A rubber crawler has a structure in which connecting members are sequentially fitted onto wing portions adjacent to each other without using steel cords for resisting tensile force applied to the rubber crawler. Accordingly, the rubber crawler of the present invention has excellent characteristics in that breakage of steel cords due to the tensile force can be prevented, and torsion of the rubber crawler can be reduced.

Abstract translation: 橡胶履带具有这样的结构，其中连接构件依次装配到彼此相邻的翼部上，而不使用用于抵抗施加到橡胶履带的张力的钢丝绳。 因此，本发明的橡胶履带具有优异的特性，能够防止由于张力而导致的钢帘线的破损，能够降低橡胶履带的扭转。

公开(公告)号：US20050178456A1

公开(公告)日：2005-08-18

申请号：US10515543

申请日：2003-05-23

Applicant: Eiji Tsuru ,  Hitoshi Asahi

Inventor： Eiji Tsuru ,  Hitoshi Asahi

IPC: B21C37/08 ,  C21D9/08 ,  C21D9/50 ,  C22C38/02 ,  C22C38/04 ,  C22C38/12 ,  C22C38/14 ,  F16L9/00 ,  B21D31/04

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

Abstract: 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.

Abstract translation: 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：US06843539B2

公开(公告)日：2005-01-18

申请号：US10089243

申请日：2000-12-28

Applicant: Eiji Tsuru

Inventor： Eiji Tsuru

IPC: B62D55/253 ,  B60C55/24

CPC classification number: B62D55/244 ,  Y10T428/192

Abstract: An elastic endless crawler according to the present invention comprises an annular belt-shaped elastic crawler body and a plurality of cords with ends, said cords being disposed substantially parallel with one another at predetermined intervals and embedded in the crawler body, wherein one end and the other end of each cord are overlapped, as seen from the belt side. Further, at at least one of a crawler inner peripheral side and a crawler outer peripheral side, there are provided a plurality of members for holding the cord ends within the crawler body. As a result, a chance of free ends of embedded steel cords protruding out from the rubber body during use of the rubber crawler and a chance of the rubber crawler running off of a unit for driving for rotation thereof can be eliminated.

Abstract translation: 根据本发明的弹性环形履带，包括环形带状弹性履带体和多个具有端部的绳索，所述绳索以预定间隔彼此大致平行地设置并嵌入履带主体中，其中一端和 每个绳索的另一端重叠，如从皮带侧看。 此外，在履带内周侧和履带外周侧的至少一方，设置有用于将绳索端部保持在履带体内的多个构件。 结果，可以消除在使用橡胶履带期间从橡胶体突出的嵌入式钢丝绳的自由端的机会，并且可以消除橡胶履带从用于驱动其旋转的单元流出的机会。

公开(公告)号：USD454890S1

公开(公告)日：2002-03-26

申请号：US29137879

申请日：2001-03-02

Applicant: Eiji Tsuru

Designer： Eiji Tsuru

公开(公告)号：US06264761B1

公开(公告)日：2001-07-24

申请号：US09214635

申请日：1999-01-06

Applicant: Yasushi Hasegawa ,  Eiji Tsuru ,  Yuichi Sato ,  Shigekatsu Ozaki

Inventor： Yasushi Hasegawa ,  Eiji Tsuru ,  Yuichi Sato ,  Shigekatsu Ozaki

IPC: C22C1903

CPC classification number: B23K35/3033 ,  B23K35/0233 ,  Y10T428/12431

Abstract: The present invention provides liquid phase diffusion bonding alloy foils capable of bonding in an oxidizing atmosphere, which can ensure joints with a homogeneous structure and adequate tensile strength in air in a short period of time using various alloys or Fe-based materials as materials to be bonded; specifically, they are Ni-based liquid phase diffusion bonding alloy foils with compositions comprising as essential components in terms of atomic percent, the diffusion elements B or P at 1.0-20.0% or B and P each at 1.0-20.0%, and Si at 0.5 to ≦15% or 0.5 to

Abstract translation: 本发明提供能够在氧化气氛中结合的液相扩散接合合金箔，其可以使用各种合金或Fe基材料作为材料在短时间内确保接头具有均匀的结构和足够的抗拉强度 保税 具体地说，它们是Ni基液相扩散接合合金箔，其组成包括原子百分数，扩散元素B或P为1.0-20.0％或B和P各自为1.0-20.0％的必要组分，Si为 0.5至<= 15％或0.5至<10％，V为0.1-20.0％，余量基本为Ni和不可避免的杂质，厚度为3-100μm。 如果需要，可酌情选择性地包括一种或多种Cr，Mn或Mo，Co和/或一种或多种W，Nb和Ti。 具有基本无定形晶体结构的组合物是最有效的。

公开(公告)号：US07892368B2

公开(公告)日：2011-02-22

申请号：US10515543

申请日：2003-05-23

Applicant: Eiji Tsuru ,  Hitoshi Asahi

Inventor： Eiji Tsuru ,  Hitoshi Asahi

IPC: C21D9/08 ,  F16L9/00

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

Abstract: 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.

公开(公告)号：US5919577A

公开(公告)日：1999-07-06

申请号：US11583

申请日：1998-01-30

Applicant: Yasushi Hasegawa ,  Eiji Tsuru ,  Yuichi Sato ,  Shigekatsu Ozaki

Inventor： Yasushi Hasegawa ,  Eiji Tsuru ,  Yuichi Sato ,  Shigekatsu Ozaki

IPC: B23K20/02 ,  B23K20/227 ,  B23K35/02 ,  B23K35/30 ,  C22C38/02 ,  C22C38/32 ,  C22C38/54

CPC classification number: C22C38/002 ,  B23K20/023 ,  B23K20/227 ,  B23K35/0233 ,  B23K35/308 ,  B23K35/3093 ,  C22C38/02 ,  C22C38/08 ,  C22C38/10 ,  C22C38/105 ,  C22C38/12 ,  C22C38/14 ,  C22C38/22 ,  C22C38/24 ,  C22C38/26 ,  C22C38/28 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  B23K2201/06 ,  B23K2203/02 ,  Y10T428/12431

Abstract: The present invention provides an Fe-based alloy foil for liquid phase diffusion bonding of Fe-based material by enabling bonding in oxidizing atmospheres at relatively high bonding temperatures to minimize thermal influence on the base material (the material to be bonded) and, thereby, ensures production of a bonded joint having a uniform microstructure and a good bonded joint strength and enables reduction in the bonding time. The Fe-based alloy foil contains, as essential elements, one of 1.0 to 20.0% P and 1.0 to 20.0% B, 1.0 to 20.0% Si, and 0.1 to 20.0% V, in terms of atomic percentage, the balance substantially of Fe and unavoidable impurities, and has a thickness of 3.0 to 100 .mu.m. Alternatively, the Fe-based alloy foil contains, as essential elements, 1.0 to 20.0% P, 1.0 to 20.0% Si, and 0.1 to 20.0% V, and 1.0 to 20.0% B, in terms of atomic percentage, the balance substantially of Fe and unavoidable impurities, and has a thickness of 3.0 to 200 .mu.m. In accordance with need, one or more of Cr, Ni and Co and/or one or more of W, Nb and Ti are also contained in suitable amounts. The foil advantageously has a substantially amorphous crystallographic structure.

Abstract translation: PCT No.PCT / JP97 / 01900 Sec。 371日期1998年1月30日 102（e）1998年1月30日PCT PCT 1997年6月4日PCT公布。 公开号WO97 / 46347 日期1997年12月11日本发明提供了一种Fe基合金箔，其用于通过在相对高的接合温度下在氧化气氛中进行接合而使Fe基材料的液相扩散接合，以最小化对基材（待结合的材料）的热影响 ），从而确保具有均匀的微结构和良好的接合接合强度的接合接头的制造，并且能够缩短接合时间。 Fe基合金箔作为必要元素含有以原子百分比计的1.0至20.0％的P和1.0至20.0％的B，1.0至20.0％的Si和0.1至20.0％的V中的一种，其余基本上为Fe 和不可避免的杂质，其厚度为3.0〜100μm。 或者，Fe基合金箔作为必要元素含有1.0〜20.0％的P，1.0〜20.0％的Si和0.1〜20.0％的V，以原子百分比计含有1.0〜20.0％的B，其余量基本上为 Fe和不可避免的杂质，其厚度为3.0〜200μm。 根据需要，还可以以合适的量含有Cr，Ni和Co中的一种或多种和/或W，Nb和Ti中的一种或多种。 箔有利地具有基本上非晶的晶体结构。

公开(公告)号：US08354382B2

公开(公告)日：2013-01-15

申请号：US12988273

申请日：2009-04-13

Applicant: Hideki Takeuchi ,  Eiji Tsuru

Inventor： Hideki Takeuchi ,  Eiji Tsuru

IPC: A01N43/04 ,  A61K31/70 ,  C07G3/00 ,  C07H15/00 ,  C07H17/00 ,  C07H17/02 ,  C07H23/00

CPC classification number: C07H17/02

Abstract: The present invention provides a novel form of 3-(3-{4-[3-(β-D-glucopyranosyloxy)-5-isopropyl-1H-pyrazol-4-ylmethyl]-3-methylphenoxy}propylamino)-2,2-dimethylpropionamide with improved storage stability. Since 3-(3-{4-[3-(β-D-glucopyranosyloxy)-5-isopropyl-1H-pyrazol-4-ylmethyl]-3-methylphenoxy}-propylamino)-2,2-dimethylpropionamide hemifumarate dihydrate has extremely excellent storage stability, it is useful as a drug substance. Furthermore, it shows an extremely good crystalline property and can be purified by a convenient method, and therefore is suitable for the industrial preparation.

Abstract translation: 本发明提供3-（3- {4- [3-（＆bgr。-D-吡喃葡萄糖氧基）-5-异丙基-1H-吡唑-4-基甲基] -3-甲基苯氧基}丙基氨基） 具有改善的储存稳定性的2-二甲基丙酰胺。 由于3-（3- {4- [3-（＆bgr。-D-吡喃葡萄糖氧基）-5-异丙基-1H-吡唑-4-基甲基] -3-甲基苯氧基} - 丙基氨基）-2,2-二甲基丙酰胺半富马酸盐二水合物具有 极好的储存稳定性，作为药物有用。 此外，其显示出非常好的结晶性，并且可以通过方便的方法进行纯化，因此适用于工业制备。