JP2015535756A - 開口のパターンと複数の光捕捉微小ピットを有する開口付きで形成されるフィルム - Google Patents
開口のパターンと複数の光捕捉微小ピットを有する開口付きで形成されるフィルム Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/512—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
- A61F13/5126—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations characterised by the planar distribution of the apertures, e.g. in a predefined pattern
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/51104—Topsheet, i.e. the permeable cover or layer facing the skin the top sheet having a three-dimensional cross-section, e.g. corrugations, embossments, recesses or projections
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/512—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
- A61F13/5121—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations characterised by the vertical shape of the apertures, e.g. three dimensional apertures, e.g. macro-apertures
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/512—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
- A61F13/5123—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations the apertures being formed on a multilayer top sheet
- A61F13/5125—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations the apertures being formed on a multilayer top sheet the apertures not being formed through the complete thickness of the topsheet, e.g. blind holes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
- A61F13/51394—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability creating a visual effect, e.g. having a printed or coloured topsheet, printed or coloured sub-layer but being visible from the topsheet, other than embossing for purposes of bonding, wicking, acquisition, leakage-prevention
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/26—Perforating by non-mechanical means, e.g. by fluid jet
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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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/222—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length characterised by the shape of the surface
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
- A61F2013/51338—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability having improved touch or feeling, e.g. smooth film
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
- B26D7/018—Holding the work by suction
-
- 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
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
- B29C59/06—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using vacuum drums
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
Abstract
Description
本願は、米国仮特許出願第61/699,201号(2012年9月10日出願)の利益を主張し、該出願の開示は、その全体が参照により本明細書に引用される。
本願は、複数の光捕捉微小ピットおよび開口を含む、特定の構造を有し、機械方向に低減した75°の光沢をもたらす、ポリマーフィルムに関する。
形成スクリーン58は、一次平面60および二次平面62を備え、一次平面60と二次平面62との間にスクリーン厚さ64を有する。スクリーンの物理的形状は、フィルム10の開口22の幾何学的パターンを決定し、したがって、その外観、触知性、および機械的特性に寄与する。形成スクリーンの一次平面60は、平滑表面を備え得るか、または一次平面からz−方向に延びる、一連のランダムな山および谷等の光回折パターンを備え得る。光回折パターンは、フィルムに関して前述の光捕捉微小ピットの規模を上回る大きさおよび規模であるランダムパターンまたは定義されたパターンであり得る。金属形成スクリーン58の光回折パターンは、大きな粗粒子を用いた形成スクリーン58の一次表面のサンドブラスト、モリブデンまたは他の好適な金属を用いた形成スクリーン58の一次表面のプラズマコーティング、真鍮、銅、または他の金属を用いた形成スクリーン58の一次表面のフレーム溶射、形成スクリーン58の一次平面60上での粒子を用いた接着剤コーティングの使用(Sorensenの第US4,327,730号参照)等の方法から生じ得る。ゴムまたはポリマー形成スクリーンが、使用される場合、粗仕上げ研削またはレーザ破壊および他の手段が、光沢の低減を向上させる、山および谷を生じさせるために適用されることができる。
本明細書で使用される場合、「吸収性物品」は、おむつ、失禁用物品、生理用ナプキン、おりものシート、包帯、および身体浸出物を吸収するために使用される他の物品を含む。図10は、ユーザの身体に対して位置付けられる、身体対面側74を有する、吸収性デバイス72の非限定的実施形態を示す。吸収性デバイス72は、少なくとも、後側シート76、吸収性コア78、および上側シート80から作製される。後側シート76は、身体対面側74と反対にある。吸収性コア78は、後側シート76と身体対面側74との間にある。上側シート80は、吸収性コア78と身体対面側74との間にある。追加の層が、吸収性コアと上側シートおよび後側シートとの間に存在し得、追加の層および他の材料が、上側シートまたは後側シートのいずれかから吸収性コアと反対の側に存在し得ることを理解されたい。
図11は、光捕捉微小ピットを有する開口付きフィルムを形成するプロセスまたは方法の例示的実施形態を描写する。図11に示されるように、押出成形スロットダイ82が、衝突点90において、形成スクリーンアセンブリ86およびローラアセンブリ88に送達される溶融ポリマーウェブ84を導入する。真空の開口付きで形成されるフィルムの場合、使用される最も一般的ポリマーは、主に、例えば、ポリエチレン等およびThomasの第U.S.4,456,570号に説明されるもの等のポリオレフィンポリマーである。これらの一般混成タイプの場合、溶融相は、温度約275°F〜600°F.(135℃〜15℃)等、ポリマーウェブ82の溶融温度(Tm)を上回る温度に維持される。
光捕捉微小ピット28は、ポリマーウェブ84が形成スクリーン58上にある間、ローラ表面構造102とポリマーウェブ84との相互作用から形成される。いくつかの実施形態では、ローラ表面構造102の選択は、所望の光捕捉微小ピット形成を達成するために、特定の形成スクリーン58の選択を要求し得る。
Claims (15)
- 開口のパターンと前記開口を包囲するランドとを備えている開口付きフィルム表面区域を備えている開口付きフィルムであって、
前記ランドは、ランド区域を備え、前記ランド区域は、光捕捉微小ピットおよび全反射区域の均一なランダムパターンを備え、前記光捕捉微小ピットは、開口部を備え、側壁が、前記開口部から底部に下降し、前記光捕捉微小ピットの開口部は、平均直径と、深度とを備え、前記深度は、タンジェント37.5°によって除算される前記微小ピットの平均直径の半分より大きい、開口付きフィルム。 - 前記光捕捉微小ピット平均直径は、約250μm以下かつ約25μm以上である、請求項1に記載の開口付きフィルム。
- 前記全反射区域は、前記ランド区域より小さい、請求項1に記載の開口付きフィルム。
- 前記開口付きフィルム表面区域は、前記開口付きフィルムの機械方向に、4.0より小さい光沢を備えている、請求項1に記載の開口付きフィルム。
- 光捕捉微小ピットの前記ランダムパターンは、155μmより小さい縁間間隔を備えている、請求項1に記載の開口付きフィルム。
- 前記開口のパターンは、50/7パターン、35/7パターン、35/14パターン、およびそれらの組み合わせから選択される、請求項1に記載の開口付きフィルム。
- 前記ランド区域は、一連のランダムな山および谷をさらに備えている、請求項1に記載の開口付きフィルム。
- 前記開口のパターンは、前記開口間に実質的に均一なランドを有する入れ子状の五角形を備え、前記開口は、前記総表面区域の約40%のランド区域をもたらす約178ミクロンのランド幅を画定する、請求項1に記載の開口付きフィルム。
- 光捕捉微小ピットを有する開口付きフィルムを形成する方法であって、前記方法は、
スクリーンとローラとの間の衝突点において溶融ポリマーウェブを受け取ることであって、前記ローラは、前記光捕捉微小ピットを形成するためのローラ表面構造を備えている、ことと、
前記溶融ポリマーウェブを前記ローラ表面構造に接触させることによって前記溶融ポリマーウェブ内に前記光捕捉微小ピットを形成し、光捕捉微小ピットを有するポリマーウェブを形成することと、
光捕捉微小ピットを有する前記ポリマーウェブが前記スクリーンを通って延びるように、圧力差ゾーンの上を、光捕捉微小ピットを有する前記ポリマーウェブを通過させることにより、光捕捉微小ピットを有する前記開口付きフィルムを形成することと
を含む、方法。 - 前記溶融ポリマーウェブは、熱可塑性ポリマーを備えている、請求項9に記載の方法。
- 前記ローラ表面構造は、硬化された感光性材料を備えている、請求項9に記載の方法。
- 前記ローラ表面構造は、ガルバニックめっきされたニッケルを備えている、請求項9に記載の方法。
- 前記ローラ表面構造は、繊維端を備えている、請求項9に記載の方法。
- 前記繊維端は、1つ以上の斜めに裁断された圧縮されたフェルト区画である、請求項13に記載の方法。
- 前記斜めに裁断された圧縮されたフェルト区画は、少なくとも約5°〜約7°の偏向角度において設置される、請求項14に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261699201P | 2012-09-10 | 2012-09-10 | |
US61/699,201 | 2012-09-10 | ||
PCT/US2013/059003 WO2014040049A1 (en) | 2012-09-10 | 2013-09-10 | An apertured formed film with a pattern of apertures and a plurality of light trap micro-pits |
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JP2015535756A true JP2015535756A (ja) | 2015-12-17 |
JP6454277B2 JP6454277B2 (ja) | 2019-01-16 |
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JP2015531315A Expired - Fee Related JP6454277B2 (ja) | 2012-09-10 | 2013-09-10 | 開口のパターンと複数の光捕捉微小ピットを有する開口付きで形成されるフィルム |
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US (1) | US9554949B2 (ja) |
EP (1) | EP2892485B1 (ja) |
JP (1) | JP6454277B2 (ja) |
KR (1) | KR102189165B1 (ja) |
CN (1) | CN104717947B (ja) |
BR (1) | BR112015005213B8 (ja) |
IN (1) | IN2015DN01931A (ja) |
TW (1) | TW201424706A (ja) |
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US9744083B2 (en) * | 2013-10-04 | 2017-08-29 | Kimberly-Clark Worldwide, Inc. | Apertured outer cover for absorbent articles |
US10940051B2 (en) | 2014-11-06 | 2021-03-09 | The Procter & Gamble Company | Absorbent articles with color effects |
CN107072836B (zh) | 2014-11-06 | 2021-03-16 | 宝洁公司 | 用于制备图案化开孔纤维网的方法 |
WO2016073724A1 (en) | 2014-11-06 | 2016-05-12 | The Procter & Gamble Company | Crimped fiber spunbond nonwoven webs / laminates |
CN114099153A (zh) * | 2016-05-02 | 2022-03-01 | 飞特适薄膜产品有限责任公司 | 用于制造成型膜的设备 |
EP4056158B1 (en) | 2017-02-16 | 2024-03-06 | The Procter & Gamble Company | Absorbent articles with substrates having repeating patterns of apertures comprising a plurality of repeat units |
WO2018207233A1 (ja) | 2017-05-08 | 2018-11-15 | Ykk株式会社 | プラスチック成型品 |
EP3958809A1 (en) | 2019-04-24 | 2022-03-02 | The Procter & Gamble Company | Highly extensible nonwoven webs and absorbent articles having such webs |
Citations (2)
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JPS581517A (ja) * | 1981-03-02 | 1983-01-06 | ザ・プロクタ−・エンド・ギヤンブル・カンパニ− | 非光沢の可視表面および布様触感を示す巨視的に膨張した三次元プラスチツクウエブ |
JP2012127010A (ja) * | 2010-12-13 | 2012-07-05 | Kyowa Leather Cloth Co Ltd | 合成皮革及びその製造方法 |
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US4463045A (en) * | 1981-03-02 | 1984-07-31 | The Procter & Gamble Company | Macroscopically expanded three-dimensional plastic web exhibiting non-glossy visible surface and cloth-like tactile impression |
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US7736688B2 (en) * | 2007-02-23 | 2010-06-15 | Procter & Gamble | Printed web and method for making |
US20100121298A1 (en) * | 2008-11-10 | 2010-05-13 | Tredegar Film Products Corporation | Transfer layer for absorbent article |
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2013
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- 2013-09-10 TW TW102132594A patent/TW201424706A/zh unknown
- 2013-09-10 WO PCT/US2013/059003 patent/WO2014040049A1/en active Application Filing
- 2013-09-10 EP EP13763429.1A patent/EP2892485B1/en active Active
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JPS581517A (ja) * | 1981-03-02 | 1983-01-06 | ザ・プロクタ−・エンド・ギヤンブル・カンパニ− | 非光沢の可視表面および布様触感を示す巨視的に膨張した三次元プラスチツクウエブ |
JP2012127010A (ja) * | 2010-12-13 | 2012-07-05 | Kyowa Leather Cloth Co Ltd | 合成皮革及びその製造方法 |
Also Published As
Publication number | Publication date |
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KR102189165B1 (ko) | 2020-12-09 |
BR112015005213B8 (pt) | 2023-02-14 |
EP2892485B1 (en) | 2021-06-02 |
IN2015DN01931A (ja) | 2015-08-07 |
BR112015005213B1 (pt) | 2021-07-06 |
US20140087130A1 (en) | 2014-03-27 |
WO2014040049A1 (en) | 2014-03-13 |
TW201424706A (zh) | 2014-07-01 |
BR112015005213A2 (pt) | 2017-07-04 |
CN104717947B (zh) | 2018-06-12 |
JP6454277B2 (ja) | 2019-01-16 |
CN104717947A (zh) | 2015-06-17 |
US9554949B2 (en) | 2017-01-31 |
EP2892485A1 (en) | 2015-07-15 |
KR20150056576A (ko) | 2015-05-26 |
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