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公开(公告)号：JP2005230608A
公开(公告)日：2005-09-02
申请号：JP2004039809
申请日：2004-02-17
Applicant: Sumitomo Metal Ind Ltd , 住友金属工業株式会社
Inventor： ONO TOSHIHIDE
Abstract: PROBLEM TO BE SOLVED: To provide an alkali washing liquid recycling apparatus capable of effectively separating an oil component and an iron component in an alkali washing liquid to extend the life of the alkali washing liquid, and a method for using it.
SOLUTION: The alkali washing liquid recycling apparatus is constituted so as to separate impurities in the waste alkali washing liquid by the flotation and sedimentation of impurities and has a separation tank 1 into which the waste alkali washing liquid is introduced, a plurality of weirs 2 provided in the separation tank so as to have an inclination of 20-40° with respect to the side wall of the separation tank and a waste liquid introducing device equipped with the inflow distribution pipe 3 arranged under the weirs and introducing the waste liquid from an inflow port 4 to lead out the same into the separation tank from an outflow port 5. Each of the weirs desirably has a corrugated shape having grooves in a vertical direction and, if the waste liquid is allowed to flow between the flow channels between the plurality of weirs so that a Reynolds number becomes 3,000 or less, impurities can be separated effectively.
COPYRIGHT: (C)2005,JPO&NCIPIAbstract translation: 解决的问题：提供一种能够有效地分离碱洗涤液中的油成分和铁成分以延长碱洗涤液的寿命的碱洗涤液再循环装置及其使用方法。 解决方案：碱洗涤液回收设备构成为通过杂质的浮选和沉淀来分离废碱洗涤液中的杂质，并且具有引入废碱洗涤液的分离槽1，多个 堰2设置在分离槽中，以相对于分离槽的侧壁具有20-40°的倾斜度;以及废液引入装置，该废液引入装置配置有设置在堰下方的流入分配管3，并且引入废液 从流入口4将其从出水口5引出到分离罐中。每个堰希望具有在垂直方向上具有凹槽的波纹形状，并且如果废液被允许在流动通道之间流动， 多个堰，使得雷诺数变为3,000以下，可以有效地分离杂质。 版权所有（C）2005，JPO＆NCIPI
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公开(公告)号：JP2007038297A
公开(公告)日：2007-02-15
申请号：JP2006176142
申请日：2006-06-27
Applicant: Sumitomo Metal Ind Ltd , 住友金属工業株式会社
Inventor： TSUYUKUCHI SATOSHI , ONO TOSHIHIDE
Abstract: PROBLEM TO BE SOLVED: To provide a method of cold-rolling a metal tube, which is excellent in the dimensional shape (out-of-roundness) and a planar property of the inner surface of the tube after the final finishing by pilger rolling and can guarantee S/N ratio at internal eddy current flaw detection.
SOLUTION: In the cold-rolling method by using a pair of roll dies which are composed of a caliber constituted of a caliber diameter Dx and the amount Fx of side relief and by pilger rolling provided with a mandrel, in this cold-rolling method of the metal tube, the final finish rolling is performed by taking a side relief rate SR which is expressed by the formula (1) of the roll die as within the range of 0.5-1.5%, the taper θ1 of a working part of the mandrel as ≤0.25°, the taper θ2 of the finishing part of the mandrel as ≤0.1°, further, the feed rate F (per pass) of a material to be worked as 1.0-2.5 mm and satisfying a formula (2) in the relationship with the side relief ratio SR. SR(%)={(2×Fx)/(2×Fx+Dx)}×100 ... (1), F≤3.0-SR ... (2).
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 要解决的问题：提供一种冷轧金属管的方法，所述金属管的最终精加工后的尺寸形状（不圆度）和管内表面的平面性能优异 可以保证内部涡流探伤的S / N比。 解决方案：在这种冷轧方法中，通过使用由口径Dx构成的口径和侧面浮雕的量Fx以及设置有心轴的皮革滚筒构成的一对辊模， 金属管的轧制方法，通过将由辊模的公式（1）表示的侧面释放速率SR取为0.5〜1.5％的范围，工作部的锥度θ1， 心轴的角度≤0.25°时，心轴的精加工部的锥度θ2≤0.1°，进一步，待加工材料的进给速度F（每次通过）为1.0〜2.5mm，满足式（2） ）与侧面卸荷率SR的关系。 SR（％）=ä（2×Fx）/（2×Fx + Dx）}×100 ...（1），F≤3.0-SR ...（2）。 版权所有（C）2007，JPO＆INPIT
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公开(公告)号：JP2005066617A
公开(公告)日：2005-03-17
申请号：JP2003297359
申请日：2003-08-21
Applicant: Sumitomo Metal Ind Ltd , 住友金属工業株式会社
Inventor： ONO TOSHIHIDE , SHIMODA KAZUMUNE , KURODA KOICHI
Abstract: PROBLEM TO BE SOLVED: To provide a metal tube with an outer spiral fin and its manufacturing method capable of obtaining a highly round-shaped metal tube with an outer spiral fin having a longer disk life because any slip is not generated on disks of a work roll.
SOLUTION: When spiral fins are formed on an outer surface of a worked tube by slantly arranging a plurality of work rolls having a plurality of disks at an axial direction around the axis of the worked tube, a fin height H and a fin width W, and fin volume Vf at an arbitrary length and the volume Vp of the metal tube are manufactured so as to satisfy the following inequalities (1) and (2), (1): 0.4≤Vf/Vp≤0.6, and (2): 2.5≤H/W≤3.5, respectively.
COPYRIGHT: (C)2005,JPO&NCIPIAbstract translation: 要解决的问题：为了提供具有外螺旋翅片的金属管及其制造方法，其能够获得具有较长盘寿命的外螺旋翅片的高度圆形金属管，因为在盘上不产生任何滑动 的工作卷。 解决方案：通过在加工管的轴线的轴向上倾斜布置具有多个圆盘的多个工作辊，在加工管的外表面上形成螺旋翅片时，翅片高度H和翅片 （1）和（2），（1）：0.4≤Vf/Vp≤0.6，和（1）中的（ 2）：2.5≤H/W≤3.5。 版权所有（C）2005，JPO＆NCIPI
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公开(公告)号：JP2010013698A
公开(公告)日：2010-01-21
申请号：JP2008174666
申请日：2008-07-03
Applicant: Ofic Co , Sumitomo Metal Ind Ltd , 住友金属工業株式会社 , 大阪富士工業株式会社
Inventor： KAWAKAMI TADASHI , NISHIYAMA YOSHITAKA , ONO TOSHIHIDE , YONEYAMA MIKIO , TATSUMI YOSHIHIRO , KITAMURA HIROKI
Abstract: PROBLEM TO BE SOLVED: To provide a member for conveying a high temperature member, having excellent build-up resistance.
SOLUTION: On the surface of a base material of the member for conveying the high temperature material, a composite coating film is formed which contains Co-based alloy or Ni-based alloy as a matrix and Cr-carbide particle as a dispersion phase, by a plasma-transferred-arc welding method. Then, a distribution ratio of unmelted Cr-carbide particles present in the surface film is limited to ≤7.0% to improve the build-up resistance of the member.
COPYRIGHT: (C)2010,JPO&INPITAbstract translation: 要解决的问题：提供用于输送高温部件的构件，具有优异的抗累加性。 解决方案：在用于输送高温材料的构件的基材的表面上，形成复合涂膜，其包含Co基合金或Ni基合金作为基体，Cr-碳化物颗粒作为分散体 通过等离子体转移电弧焊接方法。 然后，存在于表面膜中的未熔化的碳化铬颗粒的分布比例限制在≤7.0％，以提高构件的耐积垢性。 版权所有（C）2010，JPO＆INPIT
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Patent Agency Ranking
公开(公告)号：JP2007167912A
公开(公告)日：2007-07-05
申请号：JP2005369830
申请日：2005-12-22
Applicant: Sumitomo Metal Ind Ltd , 住友金属工業株式会社
Inventor： MATSUMOTO SATOSHI , ONO TOSHIHIDE , HIDAKA YASUYOSHI , NAKAIKE HIROTSUGU
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a stainless steel tube where internal carburization caused by mandrel mill rolling is suppressed, and further, softening heat treatment for the tube stock before cold working can be obviated. SOLUTION: In the method for producing a stainless steel tube where a tube stock obtained by subjecting a stainless steel comprising, by mass, ≤0.04% C and 10 to 30% Cr as the stock to piercing, mandrel mill rolling using a non-graphite based lubricant, reheating and stretch reducer rolling is cold-rolled, the stretch reducer rolling is performed at a finishing temperature of 870 to 1,050°C, and subsequently, the cold rolling is performed with softening heat treatment obviated. COPYRIGHT: (C)2007,JPO&INPIT
Abstract translation: 要解决的问题：提供一种抑制由芯棒式无缝管轧机轧制引起的内部渗碳的不锈钢管的制造方法，并且可以避免冷加工前的管坯的软化热处理。 解决方案：在制造不锈钢管的方法中，其中通过使质量为≤0.04％C和10至30％Cr的不锈钢作为坯料进行穿孔而获得的管坯，使用 非石墨基润滑剂，再加热和拉伸减速机轧制是冷轧的，拉伸减速机的轧制在870-1050℃的终轧温度下进行，随后通过软化热处理进行冷轧。 版权所有（C）2007，JPO＆INPIT
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公开(公告)号：JP2010163669A
公开(公告)日：2010-07-29
申请号：JP2009008406
申请日：2009-01-19
Applicant: Sumitomo Metal Ind Ltd , 住友金属工業株式会社
Inventor： SUWABE HITOSHI , ONO TOSHIHIDE
CPC classification number: C22C38/42 , B21B3/02 , B21B21/00 , B21C23/002 , B21C23/085 , C21D6/004 , C21D6/005 , C21D7/02 , C21D7/12 , C21D8/10 , C21D9/08 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/44
Abstract: PROBLEM TO BE SOLVED: To produce a high alloy steel pipe having corrosion resistance and strength required by an oil well pipe by selecting working condition for cold-rolling, without excessively adding alloy components.
SOLUTION: A high alloy steel base pipe comprising by mass% ≤0.03% C, ≤0.1% Si, 0.3-5.0% Mn, 25-40% Ni, 20-30% Cr, 0-4% Mo, 0-3% Cu, 0.05-0.50% N and the balance Fe with impurities, is produced by hot forming and optionally a solution heat treatment, and then the produced base pipe is subjected to cold rolling, thereby the high alloy steel pipe is produced. The reduction ratio Rd in terms of reduction of the cross-sectional area during the final rolling process is within the range of more than 30% and not more than 80%, and the cold rolling is carried out under the condition satisfying expression Rd(%)≥(MYS-520)/3.1-(Cr+6×Mo+300×N), wherein Rd represents cross-sectional area reduction ratio(%), MYS represents the targeted yield strength (MPa), and Cr, Mo and N represent respective element content (mass%).
COPYRIGHT: (C)2010,JPO&INPITAbstract translation: 要解决的问题：通过选择冷轧的工作条件，不会过度添加合金成分，生产具有油井管所要求的耐腐蚀性和强度的高合金钢管。
解决方案：一种高合金钢基管，其质量％≤0.03％C，≤0.1％Si，0.3-5.0％Mn，25-40％Ni，20-30％Cr，0-4％Mo，0 -3％Cu，0.05-0.50％N，余量为Fe与杂质，通过热成型和任选的固溶热处理制造，然后将生产的基管进行冷轧，从而制造高合金钢管。 在最终轧制过程中，截面积减少率的减少率Rd在大于30％且不大于80％的范围内，并且在满足表达式Rd（％）的条件下进行冷轧， ）≥（MYS-520）/3.1-（Cr + 6×Mo + 300×N），其中Rd表示截面积减少率（％），MYS表示目标屈服强度（MPa），Cr，Mo和 N表示各元素含量（质量％）。 版权所有（C）2010，JPO＆INPIT
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公开(公告)号：JP2010012483A
公开(公告)日：2010-01-21
申请号：JP2008172875
申请日：2008-07-02
Applicant: Ofic Co , Sumitomo Metal Ind Ltd , 住友金属工業株式会社 , 大阪富士工業株式会社
Inventor： NISHIYAMA YOSHITAKA , KAWAKAMI TADASHI , ONO TOSHIHIDE , YONEYAMA MIKIO , TATSUMI YOSHIHIRO
CPC classification number: C23C30/00 , B23K10/027 , B23K35/0244 , B23K35/3046 , C22C19/07 , C22C29/067 , C23C26/02
Abstract: PROBLEM TO BE SOLVED: To provide a member for conveying a high-temperature material, which has excellent build-up resistance, oxidation resistance and heat-crack resistance.
SOLUTION: In the member for conveying the high-temperature material, a coating film is formed on a surface of a base material. The member for conveying the high-temperature material being the compound coating film is formed of the plasma powder cladding-by-welding mixed powder consisting of Co-based alloy powder containing, by mass, 0.03-0.6% C, 0.2-3% Si, and 20-35% Cr, and the powder of Cr carbide. The member for conveying the high-temperature material has the excellent build-up resistance in the gas atmosphere, in particular, at the temperature of ≥1,100°C.
COPYRIGHT: (C)2010,JPO&INPITAbstract translation: 要解决的问题：提供一种输送耐高温材料的构件，其具有优异的抗积垢性，抗氧化性和耐热裂纹性。 解决方案：在用于输送高温材料的构件中，在基材的表面上形成涂膜。 用于输送作为复合涂膜的高温材料的构件由等离子体粉末包覆焊接混合粉末形成，该混合粉末由含有质量为0.03-0.6％C，0.2-3％Si的Co基合金粉末组成 ，20-35％Cr，Cr碳化物粉末。 用于输送高温材料的构件在气体气氛中，特别是在≥1,100℃的温度下具有优异的耐累加性。 版权所有（C）2010，JPO＆INPIT
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公开(公告)号：JP2006346726A
公开(公告)日：2006-12-28
申请号：JP2005178311
申请日：2005-06-17
Applicant: SUMITOMO METAL IND
Inventor： ONO TOSHIHIDE , HARADA KOICHI
Abstract: PROBLEM TO BE SOLVED: To provide a cold-rolling method of a clad steel tube in which the projection of an external tube or an internal tube at tube end parts and peeling on the boundary between the internal tube and the external tube caused by the projection is prevented from generating. SOLUTION: After chamfering the side of a base material in the tube end parts of a clad steel tube stock consisting of the base material (internal tube 2) and a clad material (external tube 1) so as to satisfy next formulas (i), (ii), the clad steel tube stock is cold-rolled. In formulas (1), (ii), the wall thickness of a tube stock is the summed thickness (mm) of the base material of the clad steel tube stock and the clad material before cold-working. Tb is the chamfering width (mm) in the thickness direction of the clad steel tube stock and Lb is a chamfering width (mm) in the longitudinal direction of the clad steel tube stock. The relationship of the thickness of the tube stock × 50% ≤ Tb ≤ the thickness of the tube stock × 90% is satisfied (i). The relationship of the thickness of the tube stock × 50% ≤ Lb is satisfied (ii). COPYRIGHT: (C)2007,JPO&INPIT
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公开(公告)号：JP2004174561A
公开(公告)日：2004-06-24
申请号：JP2002344064
申请日：2002-11-27
Applicant: Sumitomo Metal Ind Ltd , 住友金属工業株式会社
Inventor： ONO TOSHIHIDE
Abstract: PROBLEM TO BE SOLVED: To provide a cold rolling tool for an inside deformed tube which can efficiently manufacture the inside deformed tube in an excellent tool service life without causing inside flaws.
SOLUTION: In this cold rolling tool for manufacturing the inside deformed tube, in which a groove part and a higher part which are straight in the axial direction are formed alternately in the direction of the inner peripheral surface, the groove part and the higher part have a circular arcuate cross section and which has a side wall constituted with their common tangents, a projecting part and a recessed part, with which the groove part and the higher part are formed on the inner surface of the inside deformed tube, have the side walls constituted of the common tangents, and the inclined angle 2α of the side wall at the starting point of rolling satisfies the formula (1) (40°≤α≤55°). In the cold rolling tool, it is preferable that the projecting parts provided on the outer circumferential surface are ten or more places.
COPYRIGHT: (C)2004,JPO
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