JP2005212872A - 合成樹脂製壜体の口筒部 - Google Patents
合成樹脂製壜体の口筒部 Download PDFInfo
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- JP2005212872A JP2005212872A JP2004024304A JP2004024304A JP2005212872A JP 2005212872 A JP2005212872 A JP 2005212872A JP 2004024304 A JP2004024304 A JP 2004024304A JP 2004024304 A JP2004024304 A JP 2004024304A JP 2005212872 A JP2005212872 A JP 2005212872A
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- synthetic resin
- concave groove
- thread
- mouth tube
- shrinkage
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- 229920003002 synthetic resin Polymers 0.000 title claims abstract description 14
- 239000000057 synthetic resin Substances 0.000 title claims abstract description 14
- 238000002425 crystallisation Methods 0.000 claims abstract description 33
- 230000008025 crystallization Effects 0.000 claims abstract description 33
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 239000011324 bead Substances 0.000 claims description 11
- 229920005989 resin Polymers 0.000 abstract description 38
- 239000011347 resin Substances 0.000 abstract description 38
- 238000001816 cooling Methods 0.000 abstract description 4
- 230000006399 behavior Effects 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 description 10
- 238000001746 injection moulding Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 235000013305 food Nutrition 0.000 description 7
- 229920000139 polyethylene terephthalate Polymers 0.000 description 7
- 239000005020 polyethylene terephthalate Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000012447 hatching Effects 0.000 description 3
- 230000002087 whitening effect Effects 0.000 description 3
- 241001122767 Theaceae Species 0.000 description 2
- 238000000071 blow moulding Methods 0.000 description 2
- 235000015203 fruit juice Nutrition 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 239000004278 EU approved seasoning Substances 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000011194 food seasoning agent Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
- B29B11/06—Making preforms by moulding the material
- B29B11/08—Injection moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
- B29B11/14—Making preforms characterised by structure or composition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/0715—Preforms or parisons characterised by their configuration the preform having one end closed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/072—Preforms or parisons characterised by their configuration having variable wall thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/074—Preforms or parisons characterised by their configuration having ribs or protrusions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/076—Preforms or parisons characterised by their configuration characterised by the shape
- B29C2949/0768—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
- B29C2949/077—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the neck
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/076—Preforms or parisons characterised by their configuration characterised by the shape
- B29C2949/0768—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
- B29C2949/077—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the neck
- B29C2949/0772—Closure retaining means
- B29C2949/0773—Threads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/076—Preforms or parisons characterised by their configuration characterised by the shape
- B29C2949/0768—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
- B29C2949/077—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the neck
- B29C2949/0777—Tamper-evident band retaining ring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
- B29C2949/22—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at neck portion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
- B29C2949/24—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at flange portion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
- B29C2949/26—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at body portion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/20—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer
- B29C2949/28—Preforms or parisons whereby a specific part is made of only one component, e.g. only one layer at bottom portion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3024—Preforms or parisons made of several components characterised by the number of components or by the manufacturing technique
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/30—Preforms or parisons made of several components
- B29C2949/3032—Preforms or parisons made of several components having components being injected
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/06—Injection blow-moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/071—Preforms or parisons characterised by their configuration, e.g. geometry, dimensions or physical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7158—Bottles
Landscapes
- Containers Having Bodies Formed In One Piece (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
【解決手段】口筒部1の筒壁2の外周面の、ネジ山3の上方の高さ位置に筒壁の上端面における熱結晶化処理による引けの発生を抑制するための凹溝6を、所定の中心角度位置、および所定の中心角度範囲に亘り周方向に沿って形成すること、そして熱結晶化処理により白化させる。
【選択図】図2
Description
口筒部の筒壁の外周面の、ネジ山の上方の高さ位置に筒壁の上端面における熱結晶化処理による引けの発生を抑制するための凹溝を、所定の中心角度位置、および所定の中心角度範囲に亘り周方向に沿って形成すること、そして熱結晶化処理により白化させること、にある。
筒壁外周面の上端部、ネジ山の上方に、特にはネジ山の配設態様を考慮して、凹溝を所定の中心角度位置、および所定の中心角度範囲に亘り周方向に沿って形成することにより、凹溝を形成した周方向位置において樹脂の流動通路をその分狭くすることにより、全体として樹脂の流動状態を調整して周方向における流動状態、そして分子配向状態の差異を小さくすることができ、熱結晶化処理による口筒部上端面における引けの発生を効果的に抑制することができる。
なお本請求項の構成は周溝状の凹溝の1箇所が欠けている場合も含むものとする。
請求項1記載の発明にあっては、凹溝を、所定の位置および中心角度範囲に亘り周方向に沿って形成することにより、樹脂流動状態を調整して周方向における流動状態、分子配向状態の差異を小さくでき熱結晶化処理による口筒部上端面における引けの発生を効果的に抑制することができる。
図1〜図5は本発明の口筒部1の一実施例を示すものであり、図1は、本発明の口筒部1の一実施形態を有する壜体の全体正面図を示すもので、この壜体はPET製の2軸延伸ブロー成形品で、有底円筒形状をした胴部12の上端に、十二角錐台筒形状をした肩部11を介して、本発明による口筒部1を起立連設して構成されている。なお、図1のメッシュ状のハッチングは熱結晶化処理による白化状態を表すが、図2〜図4では形状を明確に示すため、このハッチングを省略している。
2 ;筒壁
2f;上端面
3(3a、3b、3c);ネジ山
3s(3sa、3sb、3sc);本体始端
3e(3ea、3eb、3ec);本体終端
4(4a、4b、4c);始端部
5(5a、5b、5c);終端部
4p(4pa、4pb、4pc);始端延長部
5p(5pa、5pb、5pc);終端延長部
6 ;凹溝
7 ;凹溝欠部
8 ;ビードリング
9 ;ネックリング
11;肩部
12;胴部
h1、h2、h3;引けの発生位置
Claims (7)
- 筒壁(2)の外周面の、ネジ山(3)の上方の高さ位置に筒壁(2)の上端面(2f)における熱結晶化処理による引けの発生を抑制するための凹溝(6)を、所定の中心角度位置、および所定の中心角度範囲に亘り周方向に沿って形成し、熱結晶化処理により白化させた合成樹脂製壜体の口筒部。
- 凹溝(6)を周溝状に形成した請求項1記載の合成樹脂製壜体の口筒部。
- 凹溝(6)を間欠的に周溝状に形成した請求項1記載の合成樹脂製壜体の口筒部。
- ネジ山(3)の本体始端(3s)近傍位置を中心として、中心角度で10°〜50°に亘る範囲を、凹溝(6)を形成しない凹溝欠部(7)とした請求項3記載の合成樹脂製壜体の口筒部。
- ネジ山(3)の本体始端(3s)および本体終端(3e)からそれぞれネジ山の幅および高さを緩やかに縮小させた始端延長部(4p)および終端延長部(5p)を延長設した請求項1、2、3または4記載の合成樹脂製壜体の口筒部。
- 複数のネジ山(3)を多条ネジ状に有する請求項1、2、3、4または5記載の合成樹脂製壜体の口筒部。
- ネジ山(3)の下方にビードリング(8)およびネックリング(9)を付設した構造とし、該ビードリング(8)およびネックリング(9)を含めて、熱結晶化処理により白化させた請求項1、2、3、4、5または6記載の合成樹脂製壜体の口筒部。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004024304A JP4432077B2 (ja) | 2004-01-30 | 2004-01-30 | 合成樹脂製壜体の口筒部 |
CNB2005800001056A CN100519352C (zh) | 2004-01-30 | 2005-01-25 | 合成树脂制瓶体的瓶口部 |
PCT/JP2005/000883 WO2005073096A1 (ja) | 2004-01-30 | 2005-01-25 | 合成樹脂製壜体の口筒部 |
KR1020057020495A KR101094487B1 (ko) | 2004-01-30 | 2005-01-25 | 합성수지제 병체의 입구통부 |
AU2005209521A AU2005209521B8 (en) | 2004-01-30 | 2005-01-25 | Neck of a synthetic resin bottle |
US10/579,496 US7735663B2 (en) | 2004-01-30 | 2005-01-25 | Neck of a synthetic resin bottle |
EP05704064A EP1714887B1 (en) | 2004-01-30 | 2005-01-25 | Mouth cylindrical part of synthetic resin bottle body |
CA2547704A CA2547704C (en) | 2004-01-30 | 2005-01-25 | Neck of a synthetic resin bottle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004024304A JP4432077B2 (ja) | 2004-01-30 | 2004-01-30 | 合成樹脂製壜体の口筒部 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005212872A true JP2005212872A (ja) | 2005-08-11 |
JP4432077B2 JP4432077B2 (ja) | 2010-03-17 |
Family
ID=34907031
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004024304A Expired - Fee Related JP4432077B2 (ja) | 2004-01-30 | 2004-01-30 | 合成樹脂製壜体の口筒部 |
Country Status (1)
Country | Link |
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JP (1) | JP4432077B2 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008273594A (ja) * | 2007-05-01 | 2008-11-13 | Dainippon Printing Co Ltd | 密閉性に優れたプラスチック製容器 |
JP2009524561A (ja) * | 2006-01-27 | 2009-07-02 | アムコー リミテッド | ねじ溝を有するブロー成形された容器 |
US8308002B2 (en) | 2006-01-27 | 2012-11-13 | Amcor Limited | Preform and container having thread groove of varying depth |
US8413829B2 (en) | 2006-01-27 | 2013-04-09 | Amcor Limited | Blow-molded container having finish with thread groove and tamper evident features |
JP2016117534A (ja) * | 2014-12-19 | 2016-06-30 | キョーラク株式会社 | 積層剥離容器、積層剥離容器へのキャップの装着方法 |
JP2018144892A (ja) * | 2018-04-23 | 2018-09-20 | ユニバーサル製缶株式会社 | キャップ付容器の製造方法 |
-
2004
- 2004-01-30 JP JP2004024304A patent/JP4432077B2/ja not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009524561A (ja) * | 2006-01-27 | 2009-07-02 | アムコー リミテッド | ねじ溝を有するブロー成形された容器 |
US8308002B2 (en) | 2006-01-27 | 2012-11-13 | Amcor Limited | Preform and container having thread groove of varying depth |
US8413829B2 (en) | 2006-01-27 | 2013-04-09 | Amcor Limited | Blow-molded container having finish with thread groove and tamper evident features |
JP2008273594A (ja) * | 2007-05-01 | 2008-11-13 | Dainippon Printing Co Ltd | 密閉性に優れたプラスチック製容器 |
JP2016117534A (ja) * | 2014-12-19 | 2016-06-30 | キョーラク株式会社 | 積層剥離容器、積層剥離容器へのキャップの装着方法 |
JP2018144892A (ja) * | 2018-04-23 | 2018-09-20 | ユニバーサル製缶株式会社 | キャップ付容器の製造方法 |
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Publication number | Publication date |
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JP4432077B2 (ja) | 2010-03-17 |
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