WO2011021526A1 - タイヤの製造方法及びタイヤ - Google Patents
タイヤの製造方法及びタイヤ Download PDFInfo
- Publication number
- WO2011021526A1 WO2011021526A1 PCT/JP2010/063502 JP2010063502W WO2011021526A1 WO 2011021526 A1 WO2011021526 A1 WO 2011021526A1 JP 2010063502 W JP2010063502 W JP 2010063502W WO 2011021526 A1 WO2011021526 A1 WO 2011021526A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tire
- rubber
- frame member
- tire frame
- tread rubber
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
- B29D30/10—Building tyres on round cores, i.e. the shape of the core is approximately identical with the shape of the completed tyre
- B29D30/16—Applying the layers; Guiding or stretching the layers during application
- B29D30/1607—Applying the layers; Guiding or stretching the layers during application by feeding a sheet perpendicular to the core axis and joining the ends to form an annular element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/52—Unvulcanised treads, e.g. on used tyres; Retreading
- B29D30/54—Retreading
- B29D30/542—Retreading using envelopes or membranes provided with sealings for curing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/52—Unvulcanised treads, e.g. on used tyres; Retreading
- B29D30/58—Applying bands of rubber treads, i.e. applying camel backs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C19/00—Tyre parts or constructions not otherwise provided for
- B60C19/08—Electric-charge-dissipating arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C5/00—Inflatable pneumatic tyres or inner tubes
- B60C5/007—Inflatable pneumatic tyres or inner tubes made from other material than rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C5/00—Inflatable pneumatic tyres or inner tubes
- B60C5/01—Inflatable pneumatic tyres or inner tubes without substantial cord reinforcement, e.g. cordless tyres, cast tyres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/02—Carcasses
- B60C9/14—Carcasses built-up with sheets, webs, or films of homogeneous material, e.g. synthetics, sheet metal, rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/52—Unvulcanised treads, e.g. on used tyres; Retreading
- B29D2030/526—Unvulcanised treads, e.g. on used tyres; Retreading the tread comprising means for discharging the electrostatic charge, e.g. conductive elements or portions having conductivity higher than the tread rubber
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T152/00—Resilient tires and wheels
- Y10T152/10—Tires, resilient
- Y10T152/10495—Pneumatic tire or inner tube
Definitions
- the present invention relates to a tire manufacturing method and a tire.
- tires made of rubber, organic fiber materials, and steel members are known.
- the tire skeleton members are thermoplastic such as thermoplastic elastomers and thermoplastic resins.
- thermoplastic elastomers and thermoplastic resins.
- thermoplastic resins There is a need to use materials.
- a method for manufacturing a tire frame member made of such a thermoplastic material a method of integrating the tire frame member and the tread rubber using a vulcanization mold as in the conventional example described above is known. It has been.
- a tire frame member is formed using a thermoplastic material, an unvulcanized rubber is disposed on an outer peripheral surface of the tire frame member, and the unvulcanized rubber tire is further provided.
- a vulcanized or semi-vulcanized tread rubber is disposed on the outer side in the diameter direction, and the tread rubber, the unvulcanized rubber, and at least the tread rubber side of the tire frame member are covered with an envelope to temporarily assemble The tread rubber is bonded to the tire frame member by constituting the product, storing the temporary assembly in a container, and heating the container.
- the second aspect pressurizes the inside of the container when vulcanizing in the container.
- the rubber layer includes a side rubber provided on a side portion of the tire frame member, and the tire frame member These are extended to the outer peripheral surface.
- a tire skeleton member is formed using a thermoplastic material, unvulcanized rubber is disposed on the outer peripheral surface of the tire skeleton member, and further, the tire diametrically outer side of the unvulcanized rubber is disposed.
- a vulcanized or semi-vulcanized tread rubber is disposed on the surface, and heating is performed with the tread rubber, the unvulcanized rubber, and at least the tread rubber side of the tire frame member covered with an envelope. Thus, the tread rubber is bonded to the tire frame member.
- the tire frame member is formed using a thermoplastic material, a cord extending in the tire circumferential direction is disposed in the tire frame member, cushion rubber is disposed on the outer peripheral surface of the tire frame member, A tread rubber is disposed outside the cushion rubber in the tire diameter direction.
- an adhesive is disposed between the outer peripheral surface of the tire frame member and the cushion rubber.
- an uneven portion is provided in advance on the outer peripheral surface of the tire frame member, and the unvulcanized rubber is fitted with the uneven portion after vulcanization. Matching.
- thermoplastic material a thermoplastic resin, a thermoplastic elastomer (TPE), or the like can be used, but it is desirable to use a thermoplastic elastomer in consideration of elasticity at the time of travel and moldability at the time of manufacture.
- TPE thermoplastic elastomer
- a vulcanization mold that requires a large and expensive vulcanizer, or a tire that uses a thermoplastic material without using various molds according to the tire size.
- a tire can be manufactured by adhering tread rubber to a skeleton member. For this reason, the manufacturing cost of the tire which used the thermoplastic material for the tire frame member can be reduced.
- the vulcanization when the vulcanization is performed in the container, not only the inside of the container is heated but also the pressure is further applied, so that the tread rubber is strongly pressed from the tire frame member side. Become. For this reason, the adhesiveness of the tread rubber to the tire frame member can be further increased.
- the unvulcanized rubber is disposed and vulcanized at least between the tread rubber and the vulcanized rubber layer provided on the outer peripheral surface of the tire frame member.
- the tread rubber can be easily bonded to the tire frame member with the thermoplastic material.
- the cushion rubber fits into the uneven portion on the outer peripheral surface of the tire frame member.
- the mechanical coupling with the skeleton member can be ensured, and the bonding strength between the tread rubber and the tire skeleton member can be improved.
- thermoplastic resin examples include urethane resin, olefin resin, vinyl chloride resin, polyamide resin and the like.
- a seal layer 36 is provided in a portion of the bead portion 28 of the tire frame member 12 that is fitted to a rim (not shown). Thereby, the rim fit property of the bead part 28 can be improved.
- the seal layer 36 rubber, resin, elastomer, or the like having a higher sealing performance than the thermoplastic material used for the tire frame member 12 can be used. Note that the sealing layer 36 may be omitted if the sealing property between the rim and the rim can be ensured only by the thermoplastic material used for the tire frame member 12.
- FIG. 3 a method of winding the belt-like tread rubber 16 in an annular shape around the diameter direction of the cushion rubber 14 in FIGS. 3 to 5 will be briefly described.
- the tire frame member 12 in which the cushion rubber 14 is disposed on the outer peripheral surface 12 ⁇ / b> A is supported by, for example, a disk-shaped support member 44, and provided at the center of the support member 44.
- the tire frame member 12 is rotated in the direction of arrow A around the support shaft 46, and the tread rubber 16 supplied from the direction orthogonal to the tire axis direction is used as a cushion rubber 14 ( 1) and wound around the outer circumference to cut.
- FIG. 4 shows, edge parts are faced
- the tire frame member 12 is assembled to a pair of annular support members 66 having a structure close to a rim, and the bead portion 28 is in close contact with the flange portion 66 ⁇ / b> F of the support member 66. is doing.
- the envelope 18 covers the outer surfaces of the side portions 26 on both sides of the tire frame member 12 and the tread rubber 16, and an edge (not shown) on the inner side in the tire diameter direction is between the bead portion 28 and the flange portion 66F. It is sandwiched.
- a bladder 70 may be disposed on the inner surface side of the tire frame member 12.
- the configuration of the envelope 18 is the same as in FIG. In this example, when the bladder 70 is inflated during vulcanization, pressure can be applied to the inner surface side of the tire frame member 12 to maintain the shape of the tire frame member 12.
- the uneven portion 38 is provided on the outer peripheral surface 12A of the tire frame member 12
- the uneven portion 38 is fitted with the cushion rubber 14 after vulcanization, Since the mechanical coupling between the tread rubber 16 and the tire frame member 12 is ensured, the bonding strength between the tread rubber 16 and the tire frame member 12 in the tire 10 is increased.
- the tube body 78 is formed by welding the tube half bodies 78A having a semicircular cross section facing each other with a welding thermoplastic material 86, or by joining with a welding sheet (not shown). be able to.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
- Tyre Moulding (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
Description
タイヤ骨格部材12は、熱可塑性材料を用いて、例えばタイヤ10のクラウン部24に対応した形状と、該クラウン部24のタイヤ軸方向両側から夫々タイヤ径方向内側に連なるサイド部26に対応した形状と、該サイド部26のタイヤ径方向内側に連なるビード部28に対応した形状とを有するように成型される。ビード部28には、ビードコア30が埋設される。このビードコア30の材料には、例えば金属、有機繊維、有機繊維を樹脂で被覆したもの、又は硬質樹脂が用いられる。なお、ビード部28の剛性が確保され、リム(図示せず)との嵌合に問題がなければ、ビードコア30を省略してもよい。
図1に示されるように、タイヤ骨格部材12の外周面12Aにクッションゴム14を配置する際、該外周面12Aに例えば1層又は2層の接着剤40を塗布することが好ましい。この接着剤40の塗布は、湿度70%以下の雰囲気で行うことが好ましい。接着剤40は、特定の種類に限定されるものではないが、例えばトリアジンチオール系のものを用いることができ、他には塩化ゴム系接着剤、フェノール樹脂系接着剤、イソシアネート系接着剤、ハロゲン化ゴム系接着剤等も用いることができる。
次に、図10から図13に示されるように、トレッドゴム16と、クッションゴム14と、少なくともタイヤ骨格部材12の該トレッドゴム16側とをエンベロープ18で覆って仮組品20を構成する。エンベロープ18は、気密性及び伸縮性を有し、熱及び化学的に適度に安定で、適度な強度を有する例えばゴム製の被覆部材である。エンベロープ18には、該エンベロープ18で覆われた領域内を真空引きすることで、トレッドゴム16をタイヤ骨格部材12側に押し付けるようにするための吸引口64が設けられている。吸引口64は、真空引き後における外部からエンベロープ18内への空気の流入を防止するための弁機構(図示せず)を有していることが望ましい。
(符号の説明)
10 タイヤ
12 タイヤ骨格部材
12A 外周面
14 クッションゴム(未加硫ゴム)
16 トレッドゴム
18 エンベロープ
20 仮組品
22 容器
38 凹凸部
62 サイドゴム
62A ゴム層
Claims (9)
- 熱可塑性材料を用いてタイヤ骨格部材を形成し、
該タイヤ骨格部材の外周面に、未加硫ゴムを配置し、
更に該未加硫ゴムのタイヤ直径方向外側に、加硫済み又は半加硫状態のトレッドゴムを配置し、
前記トレッドゴムと、前記未加硫ゴムと、少なくとも前記タイヤ骨格部材の該トレッドゴム側とをエンベロープで覆って仮組品を構成し、
該仮組品を容器内に収容し、該容器内の加熱を行うことで、前記トレッドゴムを前記タイヤ骨格部材に接着するタイヤの製造方法。 - 前記容器内で加硫を行う際に、該容器内を加圧する請求項1に記載のタイヤの製造方法。
- 前記タイヤ骨格部材の前記外周面のうち、前記トレッドゴムが接着される範囲の少なくとも一部に、加硫済みのゴム層を設けておき、
前記未加硫ゴムを、少なくとも前記トレッドゴムと前記ゴム層との間に配置する請求項1又は請求項2に記載のタイヤの製造方法。 - 前記ゴム層は、前記タイヤ骨格部材のサイド部に設けられるサイドゴムを、該タイヤ骨格部材の前記外周面まで延設したものである請求項1~請求項3の何れか1項に記載のタイヤの製造方法。
- 前記タイヤ骨格部材の前記外周面に、予め凹凸部を設けておき、前記未加硫ゴムが加硫後に該凹凸部と嵌まり合うようにする請求項1~請求項4の何れか1項に記載のタイヤの製造方法。
- 熱可塑性材料を用いてタイヤ骨格部材を形成し、
該タイヤ骨格部材の外周面に、未加硫ゴムを配置し、
更に該未加硫ゴムのタイヤ直径方向外側に、加硫済み又は半加硫状態のトレッドゴムを配置し、
前記トレッドゴムと、前記未加硫ゴムと、少なくとも前記タイヤ骨格部材の該トレッドゴム側とをエンベロープで覆った状態で加熱を行うことで、前記トレッドゴムが前記タイヤ骨格部材に接着されたタイヤ。 - タイヤ骨格部材が熱可塑性材料を用いて形成され、
該タイヤ骨格部材中にタイヤ周方向に延びるコードが配置され、
前記タイヤ骨格部材の外周面にクッションゴムが配置され、
更に該クッションゴムのタイヤ直径方向外側にトレッドゴムが配置されたタイヤ。 - 前記タイヤ骨格部材の前記外周面と前記クッションゴムとの間に接着剤が配置された請求項7に記載のタイヤ。
- 前記タイヤ骨格部材の前記外周面には、予め凹凸部が設けられており、
前記未加硫ゴムが加硫後に該凹凸部と嵌まり合っている請求項7に記載のタイヤ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10809871.6A EP2468489B1 (en) | 2009-08-20 | 2010-08-09 | Tire manufacturing method and tire obtained thereby |
JP2011527642A JP5661631B2 (ja) | 2009-08-20 | 2010-08-09 | タイヤの製造方法及びタイヤ |
US13/390,779 US9333719B2 (en) | 2009-08-20 | 2010-08-09 | Tire manufacturing method and tire |
CN201080036681.7A CN102470620B (zh) | 2009-08-20 | 2010-08-09 | 轮胎的制造方法及轮胎 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2009-191207 | 2009-08-20 | ||
JP2009191207 | 2009-08-20 |
Publications (1)
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WO2011021526A1 true WO2011021526A1 (ja) | 2011-02-24 |
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ID=43606981
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2010/063502 WO2011021526A1 (ja) | 2009-08-20 | 2010-08-09 | タイヤの製造方法及びタイヤ |
Country Status (5)
Country | Link |
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US (1) | US9333719B2 (ja) |
EP (1) | EP2468489B1 (ja) |
JP (1) | JP5661631B2 (ja) |
CN (1) | CN102470620B (ja) |
WO (1) | WO2011021526A1 (ja) |
Cited By (5)
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JP2011207165A (ja) * | 2010-03-30 | 2011-10-20 | Bridgestone Corp | タイヤの製造方法及びタイヤ |
EP2815894A4 (en) * | 2012-02-14 | 2015-10-14 | Bridgestone Corp | TIRE |
CN108367628A (zh) * | 2015-12-07 | 2018-08-03 | 株式会社普利司通 | 轮胎 |
KR101925774B1 (ko) * | 2017-11-30 | 2018-12-10 | 한국타이어 주식회사 | 타이어 일체형 컨테이너구조의 제조방법 |
US11613146B2 (en) | 2017-11-30 | 2023-03-28 | Hankook Tire Co., Ltd. | Container structure for attaching sensors to tires and method of manufacturing tire container structure |
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WO2012026547A1 (ja) * | 2010-08-25 | 2012-03-01 | 株式会社ブリヂストン | タイヤ、及びタイヤの製造方法 |
JP6053015B2 (ja) * | 2013-04-15 | 2016-12-27 | 株式会社ブリヂストン | タイヤ及びタイヤの製造方法 |
ITRM20130681A1 (it) * | 2013-12-11 | 2015-06-12 | Bridgestone Corp | Pneumatico e metodo per la costruzione di un pneumatico |
JP6444670B2 (ja) * | 2014-09-12 | 2018-12-26 | 株式会社ブリヂストン | 空気入りタイヤ及びその組立体 |
JP6474225B2 (ja) * | 2014-10-15 | 2019-02-27 | 株式会社ブリヂストン | 空気入りタイヤ |
JP6785190B2 (ja) * | 2017-06-12 | 2020-11-18 | 株式会社ブリヂストン | タイヤ |
US10960627B2 (en) | 2017-09-01 | 2021-03-30 | The Goodyear Tire & Rubber Company | Method of making a tire |
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- 2010-08-09 CN CN201080036681.7A patent/CN102470620B/zh active Active
- 2010-08-09 JP JP2011527642A patent/JP5661631B2/ja not_active Expired - Fee Related
- 2010-08-09 US US13/390,779 patent/US9333719B2/en active Active
- 2010-08-09 EP EP10809871.6A patent/EP2468489B1/en active Active
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011207165A (ja) * | 2010-03-30 | 2011-10-20 | Bridgestone Corp | タイヤの製造方法及びタイヤ |
EP2815894A4 (en) * | 2012-02-14 | 2015-10-14 | Bridgestone Corp | TIRE |
US10596853B2 (en) | 2012-02-14 | 2020-03-24 | Bridgestone Corporation | Tire |
CN108367628A (zh) * | 2015-12-07 | 2018-08-03 | 株式会社普利司通 | 轮胎 |
CN108367628B (zh) * | 2015-12-07 | 2020-10-02 | 株式会社普利司通 | 轮胎 |
KR101925774B1 (ko) * | 2017-11-30 | 2018-12-10 | 한국타이어 주식회사 | 타이어 일체형 컨테이너구조의 제조방법 |
US11613146B2 (en) | 2017-11-30 | 2023-03-28 | Hankook Tire Co., Ltd. | Container structure for attaching sensors to tires and method of manufacturing tire container structure |
Also Published As
Publication number | Publication date |
---|---|
CN102470620B (zh) | 2014-07-16 |
EP2468489A4 (en) | 2014-02-19 |
US9333719B2 (en) | 2016-05-10 |
JP5661631B2 (ja) | 2015-01-28 |
US20120145296A1 (en) | 2012-06-14 |
EP2468489B1 (en) | 2016-10-05 |
EP2468489A1 (en) | 2012-06-27 |
JPWO2011021526A1 (ja) | 2013-01-24 |
CN102470620A (zh) | 2012-05-23 |
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