WO2013002363A1 - プレス成形方法 - Google Patents

プレス成形方法 Download PDF

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Publication number
WO2013002363A1
WO2013002363A1 PCT/JP2012/066666 JP2012066666W WO2013002363A1 WO 2013002363 A1 WO2013002363 A1 WO 2013002363A1 JP 2012066666 W JP2012066666 W JP 2012066666W WO 2013002363 A1 WO2013002363 A1 WO 2013002363A1
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WO
WIPO (PCT)
Prior art keywords
punch
tool
mold
die
speed
Prior art date
Application number
PCT/JP2012/066666
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
康裕 和田
修治 山本
Original Assignee
新日鐵住金株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 新日鐵住金株式会社 filed Critical 新日鐵住金株式会社
Priority to KR1020137033972A priority Critical patent/KR101555121B1/ko
Priority to CN201280031241.1A priority patent/CN103619503B/zh
Priority to JP2012557740A priority patent/JP5304958B2/ja
Publication of WO2013002363A1 publication Critical patent/WO2013002363A1/ja

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • B21D22/28—Deep-drawing of cylindrical articles using consecutive dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
    • B21D24/04—Blank holders; Mounting means therefor

Definitions

  • the present invention relates to a material press-molding method.
  • This application claims priority based on Japanese Patent Application No. 2011-145903 filed in Japan on June 30, 2011, the contents of which are incorporated herein by reference.
  • Non-Patent Document 1 discloses a redrawing method in which an intermediate material formed into a cup shape from a disk-shaped material in a first step is drawn again in a second step.
  • a punch that penetrates the inside of the wrinkle presser is held while the cup-shaped intermediate material formed in the first step is sandwiched between the wrinkle presser that is a cylindrical tool inserted in the inner surface of the cup.
  • a cylindrical protrusion is formed on the bottom of the cup-shaped intermediate material by pushing it into the annular inner surface of the die.
  • Patent Document 1 and Patent Document 2 there is a method for preventing molding defects caused by material breakage or the like by positively pushing a cup into a cylindrical inner surface of a die using divided dies.
  • Patent documents 3 and 4 are disclosed as related technologies.
  • Patent Document 1 is a molding method using hydraulic pressure, and thus the structure of the mold becomes complicated. Furthermore, since the direction of pushing the cup into the inner surface of the die is opposite to the pushing direction of the punch, there are many cases where the cup cannot be pushed in sufficiently.
  • Patent Document 3 a thickening process using a coining process or an axial compression process is added in the middle of the molding process in order to make the product thickness more uniform after the drawing process, and the thickness is reduced by drawing.
  • a method of increasing the thickness of the portion to be produced is disclosed.
  • this method has a problem that productivity is lowered and manufacturing cost is increased because the number of steps of simply increasing the thickness is increased by one step.
  • this method is a method of performing thickening molding after drawing for the purpose of improving the thickness accuracy of the molded product. That is, with this method, it is difficult to prevent molding defects due to material breakage or the like in the drawing processing that is the object of the present invention.
  • Patent Document 4 after checking the correspondence between the portion where the thickness is reduced after molding and the position of the material in advance, the material portion corresponding to the portion where the thickness is reduced after drawing is compared with other portions.
  • a method of drawing a material that has been machined so as to be relatively thick is disclosed.
  • the present invention provides a drawing method for the above-described problem, which does not easily cause cracking of a material during molding without using a split die that easily causes die cracking or a hydraulic pressure that complicates a mold structure. For the purpose.
  • a press molding method uses a multi-axis press device that operates a plurality of shafts independently, and extrudes the bottom of the recess of the material in which the recess is formed to provide a hollow shaft.
  • Vb / Vi which is a ratio of the second speed Vb to the first speed Vi, is controlled within a range of 0.7 to 1.5. .
  • the material in the second step, is wrinkled by the third tool provided between the first tool and the second tool.
  • the thickness of the material before the second step is t, the gap s1 between the outer peripheral surface of the material and the inner peripheral surface of the concave mold, and the inner peripheral surface of the material and the third
  • conditional expression (a) may be satisfied, where s is the total sum of the gaps s2 with the outer peripheral surface of the tool. 0.02 ⁇ t ⁇ s ⁇ 0.3 ⁇ t (a)
  • the material can be stably drawn without cracking.
  • FIG. 1A to FIG. 1C are schematic views of a mold (press mold) 100 of a multi-axis press apparatus used in the present embodiment.
  • the mold 100 shown in FIGS. 1A to 1C is used by being installed at a predetermined position of the multi-axis press apparatus having a plurality of axes that can be independently operated as described above.
  • a cylindrical punch 1 that pushes out the inner bottom of the punch 1 and a cylindrical presser 2 that covers the periphery of the punch 1 and has a wrinkle presser 2 that presses the inner surface of the cup-shaped material 6 on its outer peripheral surface during the molding process.
  • the punch 1 is a rod-like punch that pushes the inner bottom portion of a cup-shaped material 6 disposed on the set side (upper side of the sheet) of a die 4 (described later) to the material discharge side (lower side of the sheet) of the die 4.
  • the bottom portion of the cup-shaped material 6 is extruded and stretched into a hollow shaft by the above-described multi-axis press apparatus.
  • the outer diameter of the material used is preferably 20 mm to 300 mm. If the outer diameter is less than 20 mm, it is difficult to extrude the bottom of the cup-shaped material 6 and to draw it into a hollow shaft. On the other hand, if the outer diameter is more than 300 mm, the mold becomes large and the molding load increases, so that a practical press molding becomes difficult, for example, a large press is required. More desirably, it is 50 mm to 120 mm.
  • the plate thickness (wall thickness) of the material is desirably 1.5 mm to 15 mm. If it is less than 1.5 mm, it will be difficult to push the side wall end face of the material, and if it exceeds 15 mm, it will be difficult to form a cup-shaped intermediate material. More desirably, it is 2 mm to 12 mm.
  • the mold 100 used in the present embodiment has an outer peripheral punch 3 that is an annular cylindrical shaft that surrounds the periphery of the wrinkle presser 2.
  • the outer peripheral punch 3 has a protrusion 3 a that pushes the upper edge of the opening of the cup-shaped material 6 disposed on the material set side of the die 4 into the material discharge side of the die 4.
  • the mold 100 of the present embodiment is a substantially ring-shaped die 4 that presses the material 6 with the punch 1 that descends while pressing the bottom of the cup-shaped material 6 to finish it into a predetermined dimensional shape.
  • a counter punch 5 that is inserted into the inner surface of the cylindrical die 4 and presses the bottom surface of the material with the punch 1.
  • the mold 100 includes a convex mold and a concave mold.
  • the convex mold includes a punch 1, a wrinkle presser 2 and an outer peripheral punch 3, and the concave mold includes a die 4 and a counter punch 5.
  • the multi-axis press device of this embodiment has a drive mechanism (not shown) that can control the movement of the punch 1, the wrinkle presser 2, the outer peripheral punch 3, and the counter punch 5 independently.
  • the movement of each part of the mold 100 is controlled by a press machine not shown in the present embodiment so as to form the material 6 into a predetermined size and shape.
  • the punch 1, the wrinkle presser 2, and the outer peripheral punch 3 are raised to a height sufficient to insert the cup-shaped material 6 between the die 4 by the control of the drive mechanism of the press.
  • the cup-shaped material 6 is set (set) on the upper surface of the die 4 so that the central axis of the inner periphery of the die 4 substantially coincides with the central axis.
  • the punch 1, the wrinkle presser 2, and the outer peripheral punch 3 are integrated and lowered while being controlled by the drive mechanism of the press.
  • the wrinkle presser 2 and the punch 1 are in contact with the bottom surface of the material 6 and the outer peripheral punch 3 is in contact with the upper edge surface of the cup-shaped material 6, the above-described lowering operation is stopped (see FIG. 1A).
  • the counter punch 5 rises along the inner surface of the cylindrical die 4.
  • the above-described ascending operation stops (see FIG. 1A).
  • the cup-shaped material 6 is pressed between the crease presser 2 and the die 4 and between the punch 1 and the counter punch 5 and fixed in the die 4 with the operation of each part of the mold so far completed.
  • the outer peripheral punch 3 descends in response to the lowering of the punch 1, so that the upper edge surface of the opening of the material 6 is pressed to flow the material 6 into the mold 100, that is, the die 4 and the counter punch 5, and the region between the punch 1, the wrinkle presser 2 and the outer peripheral punch 3, and prompts the inflow to the material discharge side (see FIGS. 1B and 1C).
  • the material is prevented from being broken at the corners of the punch tip as shown in FIG.
  • the lowering speed Vi of the outer peripheral punch 3 with respect to the lowering speed Vb of the punch 1 is important for preventing the breakage of the raw material at the shoulder of the punch tip of the raw material 6 during molding for the following reason.
  • the material is ruptured by pressing the upper edge of the cup-shaped material 6 using the outer peripheral punch 3 during molding to promote the inflow of the material into the mold 100. Without forming, it can be molded stably.
  • a sufficient inflow effect of the material 6 into the mold 100 cannot be obtained, and for example, a fracture as shown in FIG. 2 may occur. is there.
  • the reason why the sufficient inflow effect of the material 6 into the mold 100 is not obtained is that between the cup-shaped material 6 and the die 4 installed at a predetermined position of the die 4 before molding and the material 6 are wrinkled. The influence of the gap provided between the presser 2 is conceivable.
  • FIG. 3A shows a state in which the punch 1, the wrinkle presser 2 and the outer peripheral punch 3 are in contact with the material 6 set on the material setting side of the die 4 (however, the pressing force applied to the material 6 is negligible) It is assumed that the force is weak.
  • FIG. 3B is a diagram illustrating a state after the material 6 is filled in the mold 100.
  • FIG. 3A when the material 6 is set in the mold 100, horizontal gaps are formed between the material 6 and the wrinkle presser 2 and between the material 6 and the die 4.
  • the upper edge of the material 6 is pressed by the outer peripheral punch 3 from this state, the upper end portion of the material 6 is subjected to compressive stress by the pressing of the outer peripheral punch 3.
  • the material 6 is distorted, and the shape of the material 6 changes so as to fill the gap during setting.
  • the state shown in FIG. 3B is reached, and the entire surface of the outer wall of the material 6 and the inner wall of the mold 100 are in contact, that is, the inside of the mold 100 is filled with the material 6.
  • a gap is provided between the material 6 and the crease presser 2 and the die 4 when the material 6 is installed (when set) to enable and facilitate the installation of the material 6 at a predetermined position inside the mold 100. If there is no gap between the material 6 and the die 4, when the material 6 is set in the mold 100, the material 6 and the die 4 are in a fitted state before being placed in a predetermined position. 6 may not be able to be pushed. Accordingly, the material 6 cannot be moved to a predetermined position in the mold 100 and installed. In addition, when the material 6 that can no longer be moved is forcibly moved, problems such as wrinkling of the material 6 or the mold 100 may occur.
  • the gap between the material 6 and the wrinkle presser 2 facilitates the insertion of the wrinkle presser 2 into the inner surface of the cup-shaped material 6 at the start of molding, and between the wrinkle presser 2 and the material 6. It is provided for the purpose of preventing wrinkles.
  • the lowering speed of the outer peripheral punch 3 and the lowering of the punch 1 are lowered when the upper edge of the raw material 6 is pressed by the outer peripheral punch 3 with a gap between the raw material 6 and the tool such as the die 4 and the wrinkle presser 2.
  • the effect of pressing is not the promotion of the inflow of the material 6 into the mold 100, which is the object of the present embodiment, but the gap between the material 6 and the die 4 and the wrinkle presser 2 etc. This is because the effect of pressing by the outer peripheral punch 3 does not sufficiently contribute to preventing the material 6 from being broken.
  • Vb / Vi is less than 0.7, the pressing of the material 6 by the outer peripheral punch 3 becomes excessive, and there are problems in manufacturing the product such as the occurrence of burrs between the outer peripheral punch 3 and the die 4.
  • the above range does not depend on whether the material is filled in the mold 100 or not.
  • the thickness of the material 6 is formed between the material 6 and the die 4.
  • a gap (horizontal gap) is defined as s1
  • a gap (horizontal gap) formed between the material 6 and the wrinkle presser 2 is defined as s2.
  • the total sum s of the gaps preferably satisfies 0.02 ⁇ t ⁇ s ⁇ 0.3 ⁇ t.
  • pre-molding is performed with the same material and setting conditions of the multi-axis press device. For example, the control position of each part of the mold and the degree of filling of the material inside the mold It is sufficient to determine whether the material is full or not at the position of the mold based on the relationship. More specifically, an experiment for terminating molding in the middle of molding is performed under a plurality of different conditions (Vb / Vi conditions), and the stroke of the punch 1 from the start of driving of the multi-axis press device to the end of molding under each condition. Record the amount.
  • the timing for changing the speed ratio can be experimentally determined in advance using the stroke amount of the punch 1 from the start of driving.
  • a method other than the above may be used to determine whether the material 6 is filled in the mold. For example, when the material 6 fills the mold, the load on the outer peripheral punch 3 increases. Therefore, a load meter may be attached to the outer peripheral punch 3, and the presence or absence of fullness may be determined by a change in load.
  • Example 1 Using a multi-axis press machine shown in FIGS. 1A to 1C, a cup-shaped material made of carbon steel having an outer diameter of 90 mm ⁇ thickness of 2 mm ⁇ height of 30 mm, and a cup having an outer diameter of ⁇ 50 mm at a room temperature with a thickness of 2 mm. Molded into. In this molding, the ratio between the lowering speed Vi of the outer peripheral punch 3 and the lowering speed Vb of the punch in both cases before and after the material confirmed by the preforming is filled into the mold (before and after filling). The multi-axis press apparatus was set so that Vb / Vi had the same value. Table 1 shows the relationship between the speed ratio Vb / Vi and the molding result in this molding.
  • the molding could be completed without causing breakage or burrs in the material.
  • the speed ratio Vb / Vi is smaller than 0.7, a burr that becomes a problem in product manufacture occurs in the material.
  • the speed ratio Vb / Vi was larger than 1.5, the molding was interrupted because the material being molded was broken.
  • Example 2 Using the multi-axis press shown in FIGS. 1A to 1C, an aluminum cup-shaped material having an outer diameter of 120 mm ⁇ thickness of 5 mm ⁇ height of 40 mm, a cup having an outer diameter of ⁇ 70 mm at a room temperature with a thickness of 5 mm. Molded into. In this molding, the ratio Vb / Vi between the lowering speed Vi of the outer peripheral punch 3 and the lowering speed Vb of the punch is different between before and after filling the inside of the mold confirmed by the preliminary molding. A multi-axis press was set up. Table 2 shows the relationship between the speed ratio Vb / Vi of the multi-axis press machine and the molding result in this molding.
  • Example 3 Further, by using the multi-axis press device shown in FIGS. 1A to 1C, a cup-shaped material made of carbon steel having an outer diameter of ⁇ 80 mm ⁇ thickness of 5 mm ⁇ height of 45 mm remains at a thickness of 5 mm, and a cup having an outer diameter of ⁇ 45 mm. Molded at room temperature. Table 3 shows the relationship between the total s of the gaps between the material 6 and the die 4 and the wrinkle presser 2 in this molding, and the molding results.
  • the gaps in Table 3 are the total thickness s of gaps (horizontal gaps) formed between the material 6, the die 4 and the wrinkle presser 2, and the plate thickness dimension of the material 6. The value divided by t.
  • the material can be stably drawn without causing cracks. Therefore, the utility value of the industry is high.
PCT/JP2012/066666 2011-06-30 2012-06-29 プレス成形方法 WO2013002363A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020137033972A KR101555121B1 (ko) 2011-06-30 2012-06-29 프레스 성형 방법
CN201280031241.1A CN103619503B (zh) 2011-06-30 2012-06-29 冲压成型方法
JP2012557740A JP5304958B2 (ja) 2011-06-30 2012-06-29 プレス成形方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-145903 2011-06-30
JP2011145903 2011-06-30

Publications (1)

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WO2013002363A1 true WO2013002363A1 (ja) 2013-01-03

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PCT/JP2012/066666 WO2013002363A1 (ja) 2011-06-30 2012-06-29 プレス成形方法

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JP (1) JP5304958B2 (zh)
KR (1) KR101555121B1 (zh)
CN (1) CN103619503B (zh)
TW (1) TWI494177B (zh)
WO (1) WO2013002363A1 (zh)

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WO2014109263A1 (ja) * 2013-01-09 2014-07-17 新日鐵住金株式会社 プレス成形方法
US20170100761A1 (en) * 2014-05-19 2017-04-13 Nippon Steel & Sumitomo Metal Corporation Press forming method and tool for press forming
US10161570B2 (en) 2014-01-22 2018-12-25 Philips Lighting Holding B.V. Lighting device and luminaire
USD903424S1 (en) 2017-02-07 2020-12-01 Ball Corporation Tapered cup
USD906056S1 (en) 2018-12-05 2020-12-29 Ball Corporation Tapered cup
CN112893644A (zh) * 2021-01-29 2021-06-04 无锡鹏德汽车配件有限公司 一种金属板料精冲挤压复合成形用冲头结构
USD950318S1 (en) 2018-05-24 2022-05-03 Ball Corporation Tapered cup
CN114535486A (zh) * 2022-03-18 2022-05-27 湘潭大学 一种不等厚壳体件板锻造成形方法及模具
USD953811S1 (en) 2020-02-14 2022-06-07 Ball Corporation Tapered cup
US11370579B2 (en) 2017-02-07 2022-06-28 Ball Corporation Tapered metal cup and method of forming the same
USD968893S1 (en) 2019-06-24 2022-11-08 Ball Corporation Tapered cup
USD974845S1 (en) 2020-07-15 2023-01-10 Ball Corporation Tapered cup
USD1012617S1 (en) 2021-02-22 2024-01-30 Ball Corporation Tapered cup

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WO2015079846A1 (ja) * 2013-11-29 2015-06-04 新日鐵住金株式会社 底付き円筒容器の成形方法
DE102016116758A1 (de) * 2016-09-07 2018-03-08 Thyssenkrupp Ag Verfahren und Vorrichtung zur Herstellung von geformten, insbesondere flanschbehafteten Blechbauteilen
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JP6749036B1 (ja) * 2018-10-31 2020-09-02 竹内　忍 板材の加工を行う加工装置、及び加工方法
CN113770244A (zh) * 2021-09-18 2021-12-10 二重（德阳）重型装备有限公司 一种高放废液玻璃固化容器上封头的制造方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58181431A (ja) * 1982-04-20 1983-10-24 Kazuhiko Nakamura 周液圧重畳式対向液圧成形法
JP2010214381A (ja) * 2009-03-13 2010-09-30 Aisin Aw Co Ltd 段付カップ状部品の成形装置及び成形方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5590558A (en) * 1985-03-15 1997-01-07 Weirton Steel Corporation Draw-processing of can bodies for sanitary can packs
JP5101906B2 (ja) * 2007-03-06 2012-12-19 昭和電工パッケージング株式会社 電池ケースの成形方法及び成形装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58181431A (ja) * 1982-04-20 1983-10-24 Kazuhiko Nakamura 周液圧重畳式対向液圧成形法
JP2010214381A (ja) * 2009-03-13 2010-09-30 Aisin Aw Co Ltd 段付カップ状部品の成形装置及び成形方法

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WO2014109263A1 (ja) * 2013-01-09 2014-07-17 新日鐵住金株式会社 プレス成形方法
KR20140107623A (ko) * 2013-01-09 2014-09-04 신닛테츠스미킨 카부시키카이샤 프레스 성형 방법
CN104114296A (zh) * 2013-01-09 2014-10-22 新日铁住金株式会社 冲压成型方法
KR101588155B1 (ko) 2013-01-09 2016-01-22 신닛테츠스미킨 카부시키카이샤 프레스 성형 방법
CN104114296B (zh) * 2013-01-09 2016-01-27 新日铁住金株式会社 冲压成型方法
US9505047B2 (en) 2013-01-09 2016-11-29 Nippon Steel & Sumitomo Metal Corporation Press-forming method
US10161570B2 (en) 2014-01-22 2018-12-25 Philips Lighting Holding B.V. Lighting device and luminaire
US20170100761A1 (en) * 2014-05-19 2017-04-13 Nippon Steel & Sumitomo Metal Corporation Press forming method and tool for press forming
US11407019B2 (en) 2014-05-19 2022-08-09 Nippon Steel Corporation Press forming method and tool for press forming
USD903424S1 (en) 2017-02-07 2020-12-01 Ball Corporation Tapered cup
US10875076B2 (en) 2017-02-07 2020-12-29 Ball Corporation Tapered metal cup and method of forming the same
US11370579B2 (en) 2017-02-07 2022-06-28 Ball Corporation Tapered metal cup and method of forming the same
USD950318S1 (en) 2018-05-24 2022-05-03 Ball Corporation Tapered cup
USD906056S1 (en) 2018-12-05 2020-12-29 Ball Corporation Tapered cup
USD962710S1 (en) 2018-12-05 2022-09-06 Ball Corporation Tapered cup
USD968893S1 (en) 2019-06-24 2022-11-08 Ball Corporation Tapered cup
USD953811S1 (en) 2020-02-14 2022-06-07 Ball Corporation Tapered cup
USD974845S1 (en) 2020-07-15 2023-01-10 Ball Corporation Tapered cup
USD978618S1 (en) 2020-07-15 2023-02-21 Ball Corporation Tapered cup
CN112893644A (zh) * 2021-01-29 2021-06-04 无锡鹏德汽车配件有限公司 一种金属板料精冲挤压复合成形用冲头结构
CN112893644B (zh) * 2021-01-29 2024-04-09 江苏鹏德工业科技有限公司 一种金属板料精冲挤压复合成形用冲头结构
USD1012617S1 (en) 2021-02-22 2024-01-30 Ball Corporation Tapered cup
CN114535486A (zh) * 2022-03-18 2022-05-27 湘潭大学 一种不等厚壳体件板锻造成形方法及模具
CN114535486B (zh) * 2022-03-18 2024-03-05 湘潭大学 一种不等厚壳体件板锻造成形方法及模具

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Publication number Publication date
CN103619503A (zh) 2014-03-05
KR101555121B1 (ko) 2015-09-22
JPWO2013002363A1 (ja) 2015-02-23
TWI494177B (zh) 2015-08-01
KR20140013091A (ko) 2014-02-04
CN103619503B (zh) 2016-01-20
JP5304958B2 (ja) 2013-10-02
TW201313353A (zh) 2013-04-01

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