JP6217993B2 - スプルブッシュ - Google Patents
スプルブッシュ Download PDFInfo
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- JP6217993B2 JP6217993B2 JP2016046210A JP2016046210A JP6217993B2 JP 6217993 B2 JP6217993 B2 JP 6217993B2 JP 2016046210 A JP2016046210 A JP 2016046210A JP 2016046210 A JP2016046210 A JP 2016046210A JP 6217993 B2 JP6217993 B2 JP 6217993B2
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- 229920005989 resin Polymers 0.000 claims description 117
- 239000011347 resin Substances 0.000 claims description 117
- 239000002994 raw material Substances 0.000 claims description 106
- 239000002826 coolant Substances 0.000 claims description 67
- 239000000843 powder Substances 0.000 claims description 59
- 238000011144 upstream manufacturing Methods 0.000 claims description 41
- 239000011148 porous material Substances 0.000 claims description 18
- 239000010410 layer Substances 0.000 description 30
- 238000001816 cooling Methods 0.000 description 28
- 238000000034 method Methods 0.000 description 20
- 238000005245 sintering Methods 0.000 description 14
- 238000003475 lamination Methods 0.000 description 13
- 239000002184 metal Substances 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000011247 coating layer Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- 238000000465 moulding Methods 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- 230000001678 irradiating effect Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/007—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of moulds
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2737—Heating or cooling means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/16—Both compacting and sintering in successive or repeated steps
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2725—Manifolds
- B29C2045/2733—Inserts, plugs, bushings
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C2045/2766—Heat insulation between nozzle and mould
-
- 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
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/141—Processes of additive manufacturing using only solid materials
- B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Powder Metallurgy (AREA)
Description
原料樹脂流路およびその原料樹脂流路の周囲に設けられた冷却媒体流路を有して成るスプルブッシュであって、
原料樹脂流路の上流側部分と冷却媒体流路との間の局所領域において、その局所領域以外の領域よりも相対的に小さい熱伝達となる低熱伝達部が設けられているスプルブッシュが提供される。
(i)粉末層の所定箇所に光ビームを照射し、かかる所定箇所の粉末を焼結又は溶融固化させて固化層を形成する工程。
(ii)得られた固化層の上に新たな粉末層を形成し、同様に光ビームを照射して更なる固化層を形成する工程。
以下では、低熱伝達部の具体的態様について説明する。
本発明の一実施形態に係るスプルブッシュ100では、図2に示すように、低熱伝達部が中空部40から成る。ここでいう「中空部」とは、原料樹脂流路10の上流側10Aと冷却媒体流路20との間に少なくとも形成されるスプルブッシュ100の空間領域を指している。かかる中空部40を低熱伝達部として用いることで、冷却媒体流路20の冷却媒体から生じる冷却熱を中空部40で伝わりにくくする。かかる冷却熱が中空部40で伝わりにくいと、原料樹脂流路10の上流側10Aにおける溶融原料樹脂の冷却がより好適に抑制され、下流側10Bよりも先に上流側10Aで溶融原料樹脂が冷却固化する現象が生じにくくなる。つまり、原料樹脂流路10の閉塞がより好適に防止され得る。
中空部40は、真空状態にしてよい(図3参照)。ここでいう「真空状態」とは大気圧より低い圧力の空間状態を指す。中空部40が真空状態となる場合、中空部40は、相対的に空気が少ない状態となる。すなわち、中空部40には、熱を伝える気体分子が少なくなっている。中空部40に熱を伝える気体分子が少ないと、それに起因して、冷却媒体流路20の冷却媒体に起因する冷却熱が原料樹脂流路10の上流側10Aへと伝わりにくくなる。これは、上流側10Aにおける溶融原料樹脂の冷却がより好適に抑制されることを意味している。したがって、下流側10Bよりも先に上流側10Aで溶融原料樹脂が冷却固化する現象が生じにくくなり、原料樹脂流路10の閉塞がより好適に防止され得る。
中空部40は、例えば図4に示すように熱媒体流路40aとなっていてもよい。図示する態様では、原料樹脂流路10の上流側10Aと冷却媒体流路20との間において熱媒体流路40aの一部が位置付けられている(図4参照)。ここでいう「熱媒体流路」とは、熱媒体を流すための流路のことを指している。熱媒体は、温水、蒸気または熱風などの流体であってよい。
本発明の一実施形態に係るスプルブッシュ100では粉末体が用いられてもよい。図5に示すように、例えば中空部40に粉末体50が設けられていてよい。ここでいう「粉末体」とは、例えば金属粉末および樹脂粉末の少なくとも一方から成る粉末粒子の集合体を指す。金属粉末は、例えば平均粒径5μm〜100μm程度の鉄系金属粉末であってよい。また、樹脂粉末は、平均粒径30μm〜100μm程度のナイロン、ポリプロピレンまたはABSなどであってよい。
本発明の一実施形態に係るスプルブッシュ100では、例えば図6に示すように、低熱伝達部30がポーラス材60から成っていてもよい。ここでいう「ポーラス材」とは多数の微小な空隙(すなわち、孔)を備えた多孔質材のことを指している。各空隙の平均寸法は、特に限定されるものではないが、好ましくは10nm〜1mm程度、より好ましくは20nm〜500nm程度、例えば約100nmである。
図7に示されるスプルブッシュ100はコーティング層70を有している。より具体的にはコーティング層70は冷却媒体流路20の内壁面の少なくとも一部20Aに設けられている。ここでいう「コーティング層」とは、冷却媒体流路20の内壁面の少なくとも一部を被覆する層のことを指している。「冷却媒体流路20の内壁面の少なくとも一部20A」は図7に示すように原料樹脂流路10の上流側10Aに近位する内壁面を特に指している。コーティング層70は低熱伝導率材料から成る層であることが好ましい。コーティング層70に用いられる低熱伝導率材料としては、特に限定されるものではないがエポキシ樹脂およびシリコーン樹脂などを挙げることができる。
100A 局所領域(原料樹脂流路の上流側部分と冷却媒体流路との間の局所領域)
100B 局所領域以外の領域
10 原料樹脂流路
10A 原料樹脂流路の上流側
20 冷却媒体流路
30 低熱伝達部
40 中空部
40a 熱媒体流路
50 粉末体
60 ポーラス材
Claims (5)
- 原料樹脂流路および該原料樹脂流路の周囲に設けられた冷却媒体流路を有して成るスプルブッシュであって、
前記原料樹脂流路の上流側部分と前記冷却媒体流路との間の局所領域において、該局所領域以外の領域よりも相対的に小さい熱伝達となる低熱伝達部が設けられており、および
前記低熱伝達部が中空部から成る、スプルブッシュ。 - 前記中空部が真空状態となっている、請求項1に記載のスプルブッシュ。
- 前記中空部が熱媒体流路となっている、請求項1に記載のスプルブッシュ。
- 前記中空部に粉末体が設けられている、請求項1に記載のスプルブッシュ。
- 原料樹脂流路および該原料樹脂流路の周囲に設けられた冷却媒体流路を有して成るスプルブッシュであって、
前記原料樹脂流路の上流側部分と前記冷却媒体流路との間の局所領域において、該局所領域以外の領域よりも相対的に小さい熱伝達となる低熱伝達部が設けられており、および
前記低熱伝達部がポーラス材から成る、スプルブッシュ。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016046210A JP6217993B2 (ja) | 2016-03-09 | 2016-03-09 | スプルブッシュ |
US16/083,340 US20190061217A1 (en) | 2016-03-09 | 2017-01-12 | Sprue-bush |
CN201780015597.9A CN108778668A (zh) | 2016-03-09 | 2017-01-12 | 浇道套 |
KR1020187025870A KR20180111953A (ko) | 2016-03-09 | 2017-01-12 | 스프루 부싱 |
PCT/JP2017/000869 WO2017154342A1 (ja) | 2016-03-09 | 2017-01-12 | スプルブッシュ |
EP17762689.2A EP3427915A4 (en) | 2016-03-09 | 2017-01-12 | MOULE NOZZLE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016046210A JP6217993B2 (ja) | 2016-03-09 | 2016-03-09 | スプルブッシュ |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017154453A Division JP6706803B2 (ja) | 2017-08-09 | 2017-08-09 | スプルブッシュ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017159555A JP2017159555A (ja) | 2017-09-14 |
JP6217993B2 true JP6217993B2 (ja) | 2017-10-25 |
Family
ID=59789130
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016046210A Active JP6217993B2 (ja) | 2016-03-09 | 2016-03-09 | スプルブッシュ |
Country Status (6)
Country | Link |
---|---|
US (1) | US20190061217A1 (ja) |
EP (1) | EP3427915A4 (ja) |
JP (1) | JP6217993B2 (ja) |
KR (1) | KR20180111953A (ja) |
CN (1) | CN108778668A (ja) |
WO (1) | WO2017154342A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019151343A1 (ja) * | 2018-01-31 | 2019-08-08 | パナソニックIpマネジメント株式会社 | 射出成形用金型装置および射出成形用金型装置を用いて成形品を製造するための方法 |
KR102293892B1 (ko) | 2018-09-19 | 2021-08-24 | 주식회사 엘지화학 | 황-탄소 복합체의 제조방법, 그에 의해 제조된 황-탄소 복합체, 상기 황-탄소 복합체를 포함하는 양극, 및 상기 양극을 포함하는 리튬 이차 전지 |
JP6867360B2 (ja) * | 2018-12-10 | 2021-04-28 | リョービ株式会社 | ダイカスト用部品 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5831723A (ja) * | 1981-08-21 | 1983-02-24 | Hitachi Ltd | 低発泡樹脂構造体の成形方法 |
JPS6349919U (ja) * | 1986-09-18 | 1988-04-05 | ||
US4955804A (en) * | 1989-06-19 | 1990-09-11 | General Motors Corporation | Tool for molding plastic articles |
JP2001293754A (ja) * | 2000-04-14 | 2001-10-23 | Ricoh Co Ltd | 光ディスク成形金型 |
JP3558165B2 (ja) * | 2001-10-03 | 2004-08-25 | 株式会社日本製鋼所 | 金属合金射出成形用金型 |
JP2007283503A (ja) * | 2006-04-12 | 2007-11-01 | Kanto Itami Denki Kk | スプルブッシュ |
WO2008038694A1 (fr) * | 2006-09-27 | 2008-04-03 | Ngk Insulators, Ltd. | Buse de carotte et son procédé de production |
CN102282002B (zh) * | 2009-01-15 | 2014-07-02 | 株式会社Opm实验室 | 浇道套及浇道套的制造方法 |
JP4792532B1 (ja) * | 2010-04-13 | 2011-10-12 | 株式会社新日本テック | 射出成形用スプルーブッシュおよび射出成形型装置 |
JP5124743B1 (ja) * | 2012-01-20 | 2013-01-23 | ロイアルエンジニアリング株式会社 | 射出成形用ブッシュ |
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2016
- 2016-03-09 JP JP2016046210A patent/JP6217993B2/ja active Active
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2017
- 2017-01-12 WO PCT/JP2017/000869 patent/WO2017154342A1/ja active Application Filing
- 2017-01-12 US US16/083,340 patent/US20190061217A1/en not_active Abandoned
- 2017-01-12 EP EP17762689.2A patent/EP3427915A4/en not_active Withdrawn
- 2017-01-12 CN CN201780015597.9A patent/CN108778668A/zh active Pending
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JP2017159555A (ja) | 2017-09-14 |
WO2017154342A1 (ja) | 2017-09-14 |
EP3427915A4 (en) | 2019-02-20 |
US20190061217A1 (en) | 2019-02-28 |
CN108778668A (zh) | 2018-11-09 |
EP3427915A1 (en) | 2019-01-16 |
KR20180111953A (ko) | 2018-10-11 |
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