公开(公告)号：US20100279962A1

公开(公告)日：2010-11-04

申请号：US12810476

申请日：2008-12-24

Applicant: Hideki Takeuchi ,  Eiji Tsuru

Inventor： Hideki Takeuchi ,  Eiji Tsuru

IPC: A61K31/7056 ,  C07H17/02 ,  A61P3/10

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 bis[3-(3-{4-[3-(β-D-glucopyranosyloxy)-5-isopropyl-1H-pyrazol-4-ylmethyl]-3-methylphenoxy}propylamino)-2,2-dimethylpropionamide] monosebacate 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。 由于双[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] 具有非常优异的储存稳定性，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。

公开(公告)号：US20090320965A1

公开(公告)日：2009-12-31

申请号：US12462218

申请日：2009-07-30

Applicant: Eiji Tsuru ,  Hitoshi Asahi

Inventor： Eiji Tsuru ,  Hitoshi Asahi

IPC: C21D9/08 ,  B23K31/02

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：US20080286504A1

公开(公告)日：2008-11-20

申请号：US10588837

申请日：2005-02-15

Applicant: Hitoshi Asahi ,  Eiji Tsuru

Inventor： Hitoshi Asahi ,  Eiji Tsuru

IPC: B32B1/08 ,  C22C38/04 ,  C22C38/08 ,  C22C38/16 ,  C22C38/18 ,  C21D6/00 ,  C21D9/08 ,  C21D8/10

CPC classification number: C22C38/02 ,  C21D6/005 ,  C21D9/08 ,  C21D9/46 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/001 ,  C22C38/04 ,  Y10T428/13

Abstract: The present invention provides steel plate or steel pipe with small occurrence of the Bauschinger effect and methods of production of the same, particularly steel pipe used for steel pipe for oil wells or line pipe with a small drop in the compression strength in the circumferential direction due to the Bauschinger effect when expanded and methods of production of the same, that is steel plate or steel pipe with small occurrence of the Bauschinger effect characterized by having a dual-phase structure substantially comprising a ferrite structure and fine martensite which is dispersed in the ferrite structure. Further, this steel plate or steel pipe contains, by mass %, C: 0.03 to 0.30%, Si: 0.01 to 0.8%, Mn: 0.3 to 2.5%, P: 0.03% or less, S: 0.01% or less, Al: 0.001 to 0.01%, and N: 0.01% or less and a balance of iron and unavoidable impurities.

Abstract translation: 本发明提供了一种具有较少出现Bauschinger效应的钢板或钢管及其制造方法，特别是用于油井或管线管的钢管，其圆周方向的压缩强度小压降 在膨胀时的Bauschinger效应及其生产方法，即具有较少出现Bausinger效应的钢板或钢管的特征在于具有基本上包含铁素体结构的双相结构和分散在铁素体中的细小马氏体 结构体。 此外，该钢板或钢管以质量％计含有C：0.03〜0.30％，Si：0.01〜0.8％，Mn：0.3〜2.5％，P：0.03％以下，S：0.01％以下，Al ：0.001〜0.01％，N：0.01％以下，余量为铁和不可避免的杂质。

公开(公告)号：US07036893B2

公开(公告)日：2006-05-02

申请号：US10474749

申请日：2002-04-09

Applicant: Eiji Tsuru

Inventor： Eiji Tsuru

IPC: B62D55/24 ,  F16G1/04

CPC classification number: B62D55/244

Abstract: The object of the invention is to provide a rubber crawler which has an excellent driving performance without rubber breakage and a process for manufacturing the same. The object is attained by firstly obtaining a small bending rigidity of a joint part and eliminating disproportional arrangement of main cord embedded in the rubber crawler in a widthwise direction for obtaining durability, and uniform revolution.In a rubber crawler 1 in the form of an endless belt having an inserting joint structure S wherein ends of a number of parallel reinforcing cords 3 as main cords embedded in the rubber crawler are inserted between each other, the number of reinforcing cords are divided in an even number (2 in the embodiments shown with figures) parts, the ends parts 3A1 to 3A6 and 3B1 to 3B6 extending in both directions are arranged axisymmetrically about the dividing line L. Accordingly, the inserting joint structure S is obtained as a prerequisite which is on a same plane when viewed from the side. Furthermore, it is possible to eliminate disproportional arrangement of the main cords to be embedded. As a result, driving performance is improved, and rubber breakage is prevented, whereby it is possible to further increase the durability.

Abstract translation: 本发明的目的是提供一种橡胶履带，其具有优异的驱动性能而不产生橡胶破坏及其制造方法。 本发明的目的是通过首先获得接合部的小的弯曲刚性，并且消除了在宽度方向上嵌入橡胶履带的主绳的不成比例的布置，以获得耐久性，并且均匀地旋转。 在具有插入接头结构S的环形带形式的橡胶履带1中，其中嵌入橡胶履带的主绳的多个平行加强帘线3的端部彼此插入，加强帘线的数量被分成 偶数（在图示的实施例中为2）部分，沿着两个方向延伸的端部部分3A1〜A3A6,3B1〜3B6围绕分割线L轴对称地布置。因此，插入接头 当从侧面观察时，获得结构S作为在相同平面上的前提条件。 此外，可以消除要嵌入的主线的不成比例的布置。 结果，提高了驱动性能，防止了橡胶破损，从而可以进一步提高耐久性。

公开(公告)号：US06782921B1

公开(公告)日：2004-08-31

申请号：US10296854

申请日：2002-11-26

Applicant: Eiji Tsuru ,  Takuya Hara ,  Hitoshi Asahi ,  Hideki Miyazaki ,  Tatsuya Yoshida

Inventor： Eiji Tsuru ,  Takuya Hara ,  Hitoshi Asahi ,  Hideki Miyazaki ,  Tatsuya Yoshida

IPC: F16L914

CPC classification number: F16L9/17 ,  B21C37/08 ,  B21C37/0811 ,  B21C37/0815 ,  B21C37/30 ,  B23K2101/06 ,  Y10T29/18

Abstract: A high-strength steel pipe excellent in formability and burst resistance wherein, when a high-strength steel pipe exceeding 850 N/mm2 in tensile strength is produced by a UOE method, a ratio (R/r) of an average radius of curvature in a range of 120 mm in a circumferential direction including a weld of the steel pipe before pipe expansion in a pipe expansion process (R) to the radius of the steel pipe after pipe expansion (r) is 0.65 to 2.0, and preferably the ratio (R/r) is 0.90 to 2.0. Preferably, Vickers hardness of the base metal Hv, the minimum Vickers hardness at the HAZ Hz, pipe wall thickness t, and a peaking amount at the weld of the steel pipe before pipe expansion in a pipe expansion process &dgr; satisfy the following expression, (1+0.005t|&dgr;|)Hz

Abstract translation: 通过UOE法制造拉伸强度超过850N / mm 2的高强度钢管时，成形性和耐冲击性优异的高强度钢管，平均半径的比（R / r） 在管膨胀过程（R）中的管膨胀前的钢管的焊接与管膨胀后的钢管的半径（r）为0.65〜2.0的圆周方向的弯曲范围为120mm，优选为 比率（R / r）为0.90〜2.0。 优选地，在管膨胀过程δ中，在管膨胀之前，基体金属Hv的维氏硬度，HAZHz的最小维氏硬度，管壁厚度t和钢管的焊接处的峰值满足以下表达式，

公开(公告)号：USD455444S1

公开(公告)日：2002-04-09

申请号：US29137878

申请日：2001-03-02

Applicant: Eiji Tsuru

Designer： Eiji Tsuru

公开(公告)号：US6027145A

公开(公告)日：2000-02-22

申请号：US809344

申请日：1997-05-23

Applicant: Eiji Tsuru ,  Masaharu Oka ,  Haruyuki Nagayoshi ,  Akira Nakashima ,  Seijun Higuchi ,  Ryusuke Inoue ,  Toshio Akiyama ,  Kazumi Sagara

Inventor： Eiji Tsuru ,  Masaharu Oka ,  Haruyuki Nagayoshi ,  Akira Nakashima ,  Seijun Higuchi ,  Ryusuke Inoue ,  Toshio Akiyama ,  Kazumi Sagara

IPC: C23C22/18 ,  C23C22/83 ,  E21B17/042 ,  F16L15/00 ,  F16L15/06 ,  F16L57/06 ,  F16L58/18 ,  F16L7/00

CPC classification number: F16L15/001 ,  C23C22/18 ,  C23C22/83 ,  E21B17/042 ,  F16L15/00 ,  F16L57/06 ,  F16L58/182 ,  Y10T29/49885

Abstract: An object of the present invention is to provide galling resistance to a threaded joint used for an oil well pipe. On a thread portion and a metallic sealing portion of the joint, there is provided a manganese phosphate chemical formation coating layer, or alternatively there are provided a nitriding layer of 1 to 20 .mu.m thickness and a manganese phosphate chemical formation coating layer of 5 to 30 .mu.m thickness, and also there is coated a solid lubricant which contains powder of molybdenum disulfide or tungsten disulfide and also contains one of epoxy resin, furan resin and polyamide resin as an essential component, and a ratio of composition is maintained at a specific value, so that a solid lubricant coating layer of 10 to 45 .mu.m thickness can be formed by heating.Due to the above surface treatment, even when the frequency of repetition of fastening and unfastening of the joint is increased, the occurrence of galling can be prevented over a long period of time.

Abstract translation: PCT No.PCT / JP95 / 02034第Sec。 371日期1997年5月23日 102（e）日期1997年5月23日PCT提交1995年10月4日PCT公布。 公开号WO96 / 10710 PCT 日本1996年4月11日本发明的目的在于提供耐油性，用于油井管用螺纹接头。 在接头的螺纹部分和金属密封部分上，设置有磷酸锰化学成膜涂层，或者设置有1〜20μm厚的氮化层和5〜 并且还涂覆了含有二硫化钼或二硫化钨粉末的固体润滑剂，并且还含有环氧树脂，呋喃树脂和聚酰胺树脂之一作为必需组分，并且组成比保持在特定的 值，可以通过加热形成10〜45μm厚的固体润滑剂涂层。 由于上述表面处理，即使当接头的紧固和松开的重复频率增加时，也可以长时间地防止磨损的发生。

公开(公告)号：US4830411A

公开(公告)日：1989-05-16

申请号：US155535

申请日：1988-02-12

Applicant: Eiji Tsuru ,  Shunji Nishi ,  Masao Ogasawara

Inventor： Eiji Tsuru ,  Shunji Nishi ,  Masao Ogasawara

IPC: F16L15/04 ,  E21B17/042 ,  F16L15/00 ,  F16L15/06

CPC classification number: F16L15/004 ,  E21B17/042

Abstract: A threaded joint for oil-well pipe comprises a box having an internal thread, a pin having an external thread, a metal-to-metal sealing contact provided at the unthreaded tips of the box and pin, and a film of grease applied on the surface of the internal and external threads. The cross-sectional area of a void containing the screw axis left between the meshed internal and external threads is at least 0.6 mm.sup.2 per pitch.

Abstract translation: 用于油井管的螺纹接头包括具有内螺纹的盒，具有外螺纹的销，设置在箱和销的无螺纹尖端处的金属对金属密封触点，以及施加在该壳上的润滑脂膜 表面的内外螺纹。 留在啮合的内螺纹和外螺纹之间的包含螺纹轴的空隙的横截面面积至少为0.6mm 2 /间距。

公开(公告)号：US08955887B2

公开(公告)日：2015-02-17

申请号：US12737847

申请日：2009-08-19

Applicant: Eiji Tsuru ,  Yasushi Hasegawa ,  Yasuhiro Shinohara ,  Yuichi Sato

Inventor： Eiji Tsuru ,  Yasushi Hasegawa ,  Yasuhiro Shinohara ,  Yuichi Sato

IPC: F16L13/14 ,  F16L13/00 ,  B23K20/02 ,  B23K20/00 ,  B23K33/00 ,  F16L13/02

CPC classification number: B23K20/023 ,  B23K20/002 ,  B23K33/006 ,  B23K2101/06 ,  F16L13/0227

Abstract: A liquid phase diffusion bonded pipe joint comprised of metal pipes or a metal pipe and a joint pipe joined by liquid phase diffusion bonding, the liquid phase diffusion bonded pipe joint comprised of a metal joint provided with a tapered slanted part press-fit into an end of a metal pipe by a thrust in a pipe axial direction while expanding the metal pipe in inside diameter and tightly engaging with the end and a joining surface part continuing from the tapered slanted part and joined with an end face of the metal pipe by liquid phase diffusion bonding and a metal pipe tightly engaging with the tapered slanted part in the expanded state and with an end face joined with the joining surface part by liquid phase diffusion bonding.

Abstract translation: 由金属管或金属管构成的液相扩散接合管接头和通过液相扩散接合接合的接合管，液相扩散接合管接头由金属接头组成，金属接头设置有锥形倾斜部分， 的金属管，同时使金属管内径扩大并与端部紧密接合，以及接合面部分与锥形倾斜部分连续并且通过液相与金属管的端面接合 扩散接合和与扩张状态的锥形倾斜部紧密接合的金属管，并且通过液相扩散接合与接合表面部分接合的端面。

公开(公告)号：US08653400B2

公开(公告)日：2014-02-18

申请号：US11884860

申请日：2006-02-22

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

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

IPC: B23K31/02 ,  B23K33/00 ,  B21C37/08

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

Abstract: 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.

Abstract translation: 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。