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    Threaded joint for steel pipes
    1.
    发明授权
    Threaded joint for steel pipes 有权
    钢管螺纹接头

    公开(公告)号：US07997627B2

    公开(公告)日：2011-08-16

    申请号：US11117286

    申请日：2005-04-29

    申请人： Masaaki Sugino ,  Miyuki Yamamoto ,  Michihiko Iwamoto ,  Shigeo Nagasaku ,  Pierre Dutilleul ,  Gabriel Roussie ,  Eric Verger

    发明人： Masaaki Sugino ,  Miyuki Yamamoto ,  Michihiko Iwamoto ,  Shigeo Nagasaku ,  Pierre Dutilleul ,  Gabriel Roussie ,  Eric Verger

    IPC分类号： F16L25/00

    CPC分类号： E21B17/042 ,  F16L15/004 ,  F16L15/04

    摘要： A threaded joint for steel pipes comprises a pin (1) and a box (2). The pin has male thread (11), a sealing surface (13), and a shoulder surface (14) located on the end face of the pin. Correspondingly, the box has female thread (21), a sealing surface (23), and a shoulder surface (24) which can mate or contact with the corresponding portions of the pin. The shoulder surface (14) of the pin (1) is provided at an end face of the pin. The sealing surface (13) of the pin (1) is located on a pipe end side near the male thread (11). A a nose portion (15) is provided on the pin (1) between the sealing surface (13) and the shoulder surface (14), the nose portion (15) being not in contact with a corresponding portion of the box (2).

    摘要翻译： 用于钢管的螺纹接头包括销（1）和箱（2）。 销具有外螺纹（11），密封表面（13）和位于销的端面上的台肩表面（14）。 相应地，箱体具有内螺纹（21），密封表面（23）和可与销的相应部分配合或接触的台肩表面（24）。 销（1）的肩部表面（14）设置在销的端面。 销（1）的密封面（13）位于靠近外螺纹（11）的管端侧。 在密封表面（13）和肩部表面（14）之间的销（1）上设置有鼻部（15），鼻部（15）不与盒（2）的相应部分接触， 。

    Tubular threaded joint
    2.
    发明申请
    Tubular threaded joint 有权
    管状螺纹接头

    公开(公告)号：US20090200798A1

    公开(公告)日：2009-08-13

    申请号：US12232362

    申请日：2008-09-16

    申请人： Takahiro Hamamoto ,  Katsutoshi Sumitani ,  Masaaki Sugino ,  Michihiko Iwamoto ,  Miyuki Yamamoto ,  Jean-Francois Charvet-Quemin ,  Benoit Le Chevalier ,  Eric Verger

    发明人： Takahiro Hamamoto ,  Katsutoshi Sumitani ,  Masaaki Sugino ,  Michihiko Iwamoto ,  Miyuki Yamamoto ,  Jean-Francois Charvet-Quemin ,  Benoit Le Chevalier ,  Eric Verger

    IPC分类号： F16L15/04

    CPC分类号： E21B17/042 ,  F16L15/004 ,  F16L15/06

    摘要： A tubular threaded joint which has excellent resistance to compression and which permits easy tightening operation in the field in a vertical state comprises a pin having a male threaded zone and a box having a female threaded zone. The pin or the box has an end shoulder surface on its end, and the other member has a shoulder surface which abuts against the end shoulder surface. The screw threads of the male threaded zone and the female threaded zone are trapezoidal threads having a crest, a load flank, and a stabbing flank. The lip length, which is the distance in the axial direction of a member having an end shoulder surface between the end shoulder surface and the closest engaged thread to that surface, is at least 140 times the stabbing flank clearance, which is the distance in the axial direction between the stabbing flanks of the male thread and the female thread when the load flanks of the male and female threads contact each other. The stabbing flank of the male thread is preferably chamfered.

    摘要翻译： 具有优异的抗压缩性并且允许在垂直状态下在现场容易的紧固操作的管状螺纹接头包括具有阳螺纹区域和具有内螺纹区域的箱体的销。 销或箱的端部具有端部肩部表面，另一个部件具有抵靠端部肩部表面的肩部表面。 阳螺纹区域和阴螺纹区域的螺纹是梯形螺纹，具有顶部，负载侧面和刺入侧面。 唇部长度，即在端肩表面和与该表面最接近的接合螺纹之间具有端部肩部表面的构件的轴向方向上的距离，至少为刺穿侧面间隙的140倍，即， 阳螺纹和阴螺纹的负荷侧面彼此接触时，外螺纹的刺​​入侧面和内螺纹之间的轴向方向。 外螺纹的刺​​伤侧面优选地被倒角。

    Threaded joint for steel pipes
    3.
    发明授权
    Threaded joint for steel pipes 有权
    钢管螺纹接头

    公开(公告)号：US07494159B2

    公开(公告)日：2009-02-24

    申请号：US11710060

    申请日：2007-02-23

    申请人： Masaaki Sugino ,  Miyuki Yamamoto ,  Michihiko Iwamoto ,  Shigeo Nagasaku

    发明人： Masaaki Sugino ,  Miyuki Yamamoto ,  Michihiko Iwamoto ,  Shigeo Nagasaku

    IPC分类号： F16L25/00

    CPC分类号： F16L15/004 ,  E21B17/042 ,  F16L15/06

    摘要： In a threaded joint for steel pipes which are connected by threaded engagement of a pin member having a tapered male thread, a metal seal-forming portion, and a torque shoulder-forming portion on the end of a pipe, and a box member having a tapered female thread, a metal seal-forming portion, and a torque shoulder forming-portion corresponding to these on the end of a pipe, a buttress thread having contact at the load flanks and the thread root surface and gaps at the thread crest surface and the stabbing flanks is mixed in a single joint with a rugged thread having contact at the load flanks and stabbing flanks and having gaps at the thread root surface and thread crest surface.

    摘要翻译： 在用于钢管的螺纹接头中，其通过具有锥形外螺纹的销构件的螺纹接合，金属密封形成部分和在管的端部上的扭矩肩部形成部分连接，以及具有 锥形阴螺纹，金属密封形成部分和在管的端部对应于其的扭矩台肩形成部分，在负载侧面处接触的支撑螺纹和螺纹根部表面以及在螺纹牙顶表面处的间隙， 刺针侧面在单个接头处与在负载侧面和刺入侧面接触并且在螺纹根表面和螺纹牙顶表面具有间隙的粗糙螺纹混合。

    Threaded joint for steel pipes
    4.
    发明申请
    Threaded joint for steel pipes 有权
    钢管螺纹接头

    公开(公告)号：US20050248153A1

    公开(公告)日：2005-11-10

    申请号：US11117286

    申请日：2005-04-29

    申请人： Masaaki Sugino ,  Miyuki Yamamoto ,  Michihiko Iwamoto ,  Shigeo Nagasaku ,  Pierre Dutilleul ,  Gabriel Roussie ,  Eric Verger

    发明人： Masaaki Sugino ,  Miyuki Yamamoto ,  Michihiko Iwamoto ,  Shigeo Nagasaku ,  Pierre Dutilleul ,  Gabriel Roussie ,  Eric Verger

    IPC分类号： E21B17/042 ,  F16L15/04 ,  F16L15/06 ,  F16L25/00

    CPC分类号： E21B17/042 ,  F16L15/004 ,  F16L15/04

    摘要： A threaded joint for steel pipes comprises a pin (1) and a box (2). The pin has male thread (11), a sealing surface (13), and a shoulder surface (14) located on the end face of the pin. Correspondingly, the box has female thread (21), a sealing surface (23), and a shoulder surface (24) which can mate or contact with the corresponding portions of the pin. The shoulder surface (14) of the pin (1) is provided at an end face of the pin. The sealing surface (13) of the pin (1) is located on a pipe end side near the male thread (11). A a nose portion (15) is provided on the pin (1) between the sealing surface (13) and the shoulder surface (14), the nose portion (15) being not in contact with a corresponding portion of the box (2).

    摘要翻译： 用于钢管的螺纹接头包括销（1）和箱（2）。 销具有外螺纹（11），密封表面（13）和位于销的端面上的台肩表面（14）。 相应地，箱体具有内螺纹（21），密封表面（23）和可与销的相应部分配合或接触的台肩表面（24）。 销（1）的肩部表面（14）设置在销的端面。 销（1）的密封面（13）位于靠近外螺纹（11）的管端侧。 在密封表面（13）和肩部表面（14）之间的销（1）上设置有鼻部（15），鼻部（15）不与盒（2）的相应部分接触， 。

    High strength steel pipe for an air bag
    5.
    发明授权
    High strength steel pipe for an air bag 有权
    用于气囊的高强度钢管

    公开(公告)号：US07846274B2

    公开(公告)日：2010-12-07

    申请号：US10948581

    申请日：2004-09-24

    申请人： Kunio Kondo ,  Miyuki Yamamoto ,  Takashi Takano ,  Kenichi Beppu ,  Susumu Hirano ,  Keisuke Hitoshio ,  Hidetoshi Kurata

    发明人： Kunio Kondo ,  Miyuki Yamamoto ,  Takashi Takano ,  Kenichi Beppu ,  Susumu Hirano ,  Keisuke Hitoshio ,  Hidetoshi Kurata

    IPC分类号： C22C38/18

    CPC分类号： C22C38/40 ,  B60R21/268 ,  C21D1/18 ,  C21D8/10 ,  C21D9/08 ,  C22C38/20 ,  C22C38/22 ,  C22C38/26 ,  C22C38/28 ,  C22C38/42 ,  C22C38/48 ,  C22C38/50 ,  C22C38/58

    摘要： In order to manufacture a steel pipe for an air bag which can cope with increase in the pressure of gas blown into an air bag and decreases in the wall thickness of an accumulator, a steel having a composition, mass %, of: C: 0.05-0.20%, Si: 0.1-1.0%, Mn: 0.20-2.0%, P: at most 0.025%, S: at most 0.010%, Cr: 0.05-1.0%, Al: at most 0.10%, if necessary at least one of Mo: at most 0.50%, Ni: at most 1.5%, Cu: at most 0.5%, V: at most 0.2%, Ti: at most 0.1%, Nb: at most 0.1%, and B: at most 0.005%, and also if necessary, at least one of Ca: at most 0.01%, Mg: at most 0.01%, and REM (rare earth elements): at most 0.01%, and a remainder of Fe and impurities is used to produce a steel pipe, and the pipe is then subjected to cold working to predetermined dimensions, then to heating to a temperature of at least the Ac1 transformation temperature followed by quenching, and then to tempering at a temperature no higher than the Ac1 transformation temperature.

    摘要翻译： 为了制造气囊用钢管，能够应对气泡吹入的气体的压力增加，蓄压器的壁厚减小，组成质量％为C：0.05的钢 -0.20％，Si：0.1〜1.0％，Mn：0.20〜2.0％，P：0.025％以下，S：0.0％以下，Cr：0.05〜1.0％，Al：0.10％ Mo：0.50以下，Ni：1.5％以下，Cu：0.5％以下，V：0.2％以下，Ti：0.1％以下，Nb：0.1％以下，B：0.005以下 ％，根据需要，还可以使用Ca：0.01％以下，Mg：0.01％以下，REM（稀土元素）：0.01％以下，Fe和杂质余量中的至少一种， 然后将管冷却至预定尺寸，然后加热至至少Ac1相变温度，然后淬火，然后在不高于Ac1转变温度的温度下回火。

    Threaded connection tubular goods
    7.
    发明授权
    Threaded connection tubular goods 失效
    螺纹连接管状货物

    公开(公告)号：US6045165A

    公开(公告)日：2000-04-04

    申请号：US49976

    申请日：1998-03-30

    申请人： Masaaki Sugino ,  Miyuki Yamamoto

    发明人： Masaaki Sugino ,  Miyuki Yamamoto

    IPC分类号： E21B17/042 ,  F16L15/00 ,  F16L15/04 ,  F16L25/00

    CPC分类号： E21B17/042 ,  F16L15/004

    摘要： A threaded connection for the oil country tubular goods, according to the invention, is provided with either an internal shoulder or an external shoulder or both, each comprising a seal portion and a torque shoulder, and characterized by satisfying the following conditions (1) and (2):(1) A pitch diameter of the seal forming face on the pin is larger than the same on the box; and(2) An inclination of the torque shoulder forming face on the pin is smaller than the same on the box, the difference in the inclination between the both sides being in the range of 0.5 to 4.0.degree..The threaded connection for the oil country tubular goods, according to the invention, has excellent gas tightness and crevice corrosion resistance. Moreover, the production cost thereof is equivalent to that of conventional threaded connections and it is easy to handle. Hence, it is quite suited for use in exploration and exploitation of deposits located at great depths under high pressures and deposits such as gas, crude oil, or the like containing highly corrosive impurities.

    摘要翻译： 根据本发明的用于油井管状物品的螺纹连接件设置有内肩部或外肩部或两者，每个包括密封部分和扭矩肩部，并且其特征在于满足以下条件（1）和 （2）：（1）销子上的密封成形面的节圆直径大于盒子上的相同的节距直径; 和（2）销子上的扭矩台肩形成面的倾斜度小于箱子上的倾斜角，两边之间的倾斜差在0.5至4.0度的范围内。 根据本发明，用于油罐管的螺纹连接具有优异的气密性和耐缝隙腐蚀性。 此外，其生产成本等同于常规螺纹连接的生产成本，并且易于处理。 因此，它非常适合用于勘探和开采高压下沉积物的沉积物和含有高腐蚀性杂质的气体，原油等沉积物。

    Tubular threaded joint
    8.
    发明授权
    Tubular threaded joint 有权
    管状螺纹接头

    公开(公告)号：US07823931B2

    公开(公告)日：2010-11-02

    申请号：US12232362

    申请日：2008-09-16

    申请人： Takahiro Hamamoto ,  Katsutoshi Sumitani ,  Masaaki Sugino ,  Michihiko Iwamoto ,  Miyuki Yamamoto ,  Jean-Francois Charvet-Quemin ,  Benoit Le Chevalier ,  Eric Verger

    发明人： Takahiro Hamamoto ,  Katsutoshi Sumitani ,  Masaaki Sugino ,  Michihiko Iwamoto ,  Miyuki Yamamoto ,  Jean-Francois Charvet-Quemin ,  Benoit Le Chevalier ,  Eric Verger

    IPC分类号： F16L25/00

    CPC分类号： E21B17/042 ,  F16L15/004 ,  F16L15/06

    摘要： A tubular threaded joint which has excellent resistance to compression and which permits easy tightening operation in the field in a vertical state comprises a pin having a male threaded zone and a box having a female threaded zone. The pin or the box has an end shoulder surface on its end, and the other member has a shoulder surface which abuts against the end shoulder surface. The screw threads of the male threaded zone and the female threaded zone are trapezoidal threads having a crest, a load flank, and a stabbing flank. The lip length, which is the distance in the axial direction of a member having an end shoulder surface between the end shoulder surface and the closest engaged thread to that surface, is at least 140 times the stabbing flank clearance, which is the distance in the axial direction between the stabbing flanks of the male thread and the female thread when the load flanks of the male and female threads contact each other. The stabbing flank of the male thread is preferably chamfered.

    摘要翻译： 具有优异的抗压缩性并且允许在垂直状态下在现场容易的紧固操作的管状螺纹接头包括具有阳螺纹区域和具有内螺纹区域的箱体的销。 销或箱的端部具有端部肩部表面，另一个部件具有抵靠端部肩部表面的肩部表面。 阳螺纹区域和阴螺纹区域的螺纹是梯形螺纹，具有顶部，负载侧面和刺入侧面。 唇部长度，即在端肩表面和与该表面最接近的接合螺纹之间具有端部肩部表面的构件的轴向方向上的距离，至少为刺穿侧面间隙的140倍，即， 当阳螺纹和阴螺纹的负载侧面彼此接触时，外螺纹的刺​​入侧面和内螺纹之间的轴向方向。 外螺纹的刺​​伤侧面优选地被倒角。

    Threaded joint for steel pipes
    9.
    发明申请
    Threaded joint for steel pipes 有权
    钢管螺纹接头

    公开(公告)号：US20070236015A1

    公开(公告)日：2007-10-11

    申请号：US11710060

    申请日：2007-02-23

    申请人： Masaaki Sugino ,  Miyuki Yamamoto ,  Michihiko Iwamoto ,  Shigeo Nagasaku

    发明人： Masaaki Sugino ,  Miyuki Yamamoto ,  Michihiko Iwamoto ,  Shigeo Nagasaku

    IPC分类号： F16L15/06

    CPC分类号： F16L15/004 ,  E21B17/042 ,  F16L15/06

    摘要： In a threaded joint for steel pipes which are connected by threaded engagement of a pin member having a tapered male thread, a metal seal-forming portion, and a torque shoulder-forming portion on the end of a pipe, and a box member having a tapered female thread, a metal seal-forming portion, and a torque shoulder forming-portion corresponding to these on the end of a pipe, a buttress thread having contact at the load flanks and the thread root surface and gaps at the thread crest surface and the stabbing flanks is mixed in a single joint with a rugged thread having contact at the load flanks and stabbing flanks and having gaps at the thread root surface and thread crest surface.

    摘要翻译： 在用于钢管的螺纹接头中，其通过具有锥形外螺纹的销构件的螺纹接合，金属密封形成部分和在管的端部上的扭矩肩部形成部分连接，以及具有 锥形阴螺纹，金属密封形成部分和在管的端部对应于其的扭矩台肩形成部分，在负载侧面处接触的支撑螺纹和螺纹根部表面以及在螺纹牙顶表面处的间隙， 刺针侧面在单个接头处与在负载侧面和刺入侧面接触并且在螺纹根表面和螺纹牙顶表面具有间隙的粗糙螺纹混合。