JP6012804B1 - 缶体 - Google Patents
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- JP6012804B1 JP6012804B1 JP2015073707A JP2015073707A JP6012804B1 JP 6012804 B1 JP6012804 B1 JP 6012804B1 JP 2015073707 A JP2015073707 A JP 2015073707A JP 2015073707 A JP2015073707 A JP 2015073707A JP 6012804 B1 JP6012804 B1 JP 6012804B1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
- B65D1/12—Cans, casks, barrels, or drums
- B65D1/14—Cans, casks, barrels, or drums characterised by shape
- B65D1/16—Cans, casks, barrels, or drums characterised by shape of curved cross-section, e.g. cylindrical
- B65D1/165—Cylindrical cans
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
- B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
- B65D17/401—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall
- B65D17/4012—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall for opening partially by means of a tearing tab
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
- B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
- B65D21/0209—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together stackable or joined together one-upon-the-other in the upright or upside-down position
- B65D21/0217—Containers with a closure presenting stacking elements
- B65D21/0219—Containers with a closure presenting stacking elements the closure presenting projecting peripheral elements receiving or surrounding the bottom or peripheral elements projecting from the bottom of a superimposed container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D55/00—Accessories for container closures not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D7/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal
- B65D7/42—Details of metal walls
- B65D7/44—Reinforcing or strengthening parts or members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2251/00—Details relating to container closures
- B65D2251/06—Special configurations; Closures simulating or provided with another item, e.g. puppet, animal, vehicle, building
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
- B65D2517/0001—Details
- B65D2517/001—Action for opening container
- B65D2517/0014—Action for opening container pivot tab and push-down tear panel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
- B65D2517/0001—Details
- B65D2517/0058—Other details of container end panel
- B65D2517/0059—General cross-sectional shape of container end panel
- B65D2517/0061—U-shaped
- B65D2517/0062—U-shaped and provided with an additional U-shaped peripheral channel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
- B65D2517/50—Non-integral frangible members applied to, or inserted in, a preformed opening
- B65D2517/5072—Details of hand grip, tear- or lift-tab
- B65D2517/5091—Unusual details
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Rigid Containers With Two Or More Constituent Elements (AREA)
- Stackable Containers (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
- Containers Opened By Tearing Frangible Portions (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
Abstract
Description
L=D・cos(θ1−θ2),A=X・(L+Y1−Y2)/Y1,
B=L+Y2−Y1を定義し、0<L<Y2の場合に、
(A+B)・E/Z<1.88を満たす缶体とする。
式中、D:前記タブの先端から前記缶蓋の表面までの距離、
E:前記タブの先端より下ろした垂線と前記缶蓋の表面との交差部から前記缶蓋のシーミングパネル頂部までの距離、
θ1:前記交差部と前記シーミングパネル頂部とを結ぶ直線と垂線との角度、
Z:前記脚部の接地部と当該脚部の外側に連接する缶胴の下端までの距離、
θ2:前記接地部と前記缶胴の下端とを結ぶ直線と垂線との角度、
Y1:前記凹部の底部と該凹部の下端までの距離、
Y2:前記底部と前記接地部までの距離、
X:前記凹部の下端を通る垂線と前記底部との距離
をそれぞれ示す。
E<Zの条件で下記式、
L=D・cos(θ1−θ2),A=X・(Y1+Y2−L)/Y1,
B=L+Y1−Y2を定義し、L≧Y2の場合に、
(A+B)・E/Z<1.85を満たす缶体とする。
式中、D:前記タブの先端から前記缶蓋の表面までの距離、
E:前記タブの先端より下ろした垂線と前記缶蓋の表面との交差部から前記缶蓋のシーミングパネル頂部までの距離、
θ1:前記交差部と前記シーミングパネル頂部とを結ぶ直線と垂線との角度、
Z:前記脚部の接地部と当該脚部の外側に連接する缶胴の下端までの距離、
θ2:前記接地部と前記缶胴の下端とを結ぶ直線と垂線との角度、
Y1:前記凹部の底部と該凹部の下端までの距離、
Y2:前記底部と前記接地部までの距離、
X:前記凹部の下端を通る垂線と前記底部との距離、
をそれぞれ示す。
E:タブ21の先端fより下ろした垂線と缶蓋2の表面との交差部eから缶蓋2のシーミングパネル22の頂部gまでの距離。
θ1:交差部eとシーミングパネル22の頂部gとを結ぶ直線と垂線との角度。
Z:脚部31の接地部aと脚部31の外側に連接する缶胴4の下端bまでの距離。
θ2:接地部aと缶胴4の下端bとを結ぶ直線と垂線との角度。
Y1;凹部32の底部dと凹部32の下端cまでの距離。
Y2:底部dと接地部aまでの距離。
X:凹部32の下端cを通る垂線と底部dとの距離。
但し、
0<L<Y2の場合、
A=X・(L+Y1−Y2)/Y1,B=L+Y2−Y1
L≧Y2の場合、
A=X・(Y1+Y2−L)/Y1,B=L+Y1−Y2
缶蓋2の形状としては、2つのサンプル(「サンプルA」と「サンプルB」)の寸法を実測した。各サンプルから実測された寸法D,E,θ1,Lは表1に示すとおりである。
缶底3の形状としては、脚部31の外側形状の寸法Z,θ2を表2に示すように一定とし、脚部31の内側形状(ボトムリフォーム形状)については、成形高さが1.95,2.41,2.85,3.3mmの異なる成形ロールの設定で、リフォーム径d0が46.6,46.8,47.0,47.2,47.4,47.6mmとなる成形を行って得られた缶体1に対して、凹部32の寸法(X,Y1,Y2)を実測した。実測した結果を表3に示す。ここで、リフォーム径d0は、凹部32の底部dに対応する直径であり、成形高さは、凹部32を成形する成形ロールの接触位置高さを示している。
缶蓋2のサンプル毎(サンプルA,サンプルB)、成形高さとリフォーム径毎に、L≧Y2となる場合と0<L<Y2となる場合とを区分して、評価指数αを算出した。算出結果を表4(サンプルAについての算出結果)及び表5(サンプルBについての算出結果)に示す。
上下2段に評価対象の缶体1を積み重ね、上段の缶体1がバランスを崩した状態(上段の缶体1における脚部31が下段の缶体1におけるタブ21の下に掛かった状態)を実現し、下段の缶体1を徐々に傾斜させて、上段の缶体1が落下した時の下段の缶体1の傾斜角度を計測する。ここで、計測される下段の缶体1の傾斜角度が大きいということは、タブ21下の隙間に脚部31が深く掛かった状態にあることを意味するので、不意開口発生の可能性が高い状態であると言える。具体的には、下段の缶体1の傾斜角度が30°以上傾斜しても上段の缶体が落下しない場合を不意開口発生の虞有り(不良)と評価し、表中において下線にて示した。
表4に示す評価指数αの値で、成形高さが1.95mmの場合には、リフォーム径d0=46.6mm〜47.6mmの範囲で全てL≧Y2となり、評価指数αは1.53〜1.88となるが、不意開口発生の虞有りと評価された値は、1.88のみであった。
20:シェル,21:タブ,22:シーミングパネル,
30:ドーム部,31:脚部,31R:湾曲部,32:凹部
Claims (2)
- 開口用のタブを備える缶蓋と、中央を内側に凹ませるドーム部と該ドーム部の周囲にて下側に向けて環状に突出する脚部とを備える缶底を具備し、前記ドーム部と前記脚部の連接部分に当該脚部の外側に向いた凹部を設けた缶体であって、
E<Zの条件で下記式、
L=D・cos(θ1−θ2),
A=X・(L+Y1−Y2)/Y1,
B=L+Y2−Y1を定義し、
0<L<Y2の場合に、
(A+B)・E/Z<1.88を満たすことを特徴とする缶体。
式中、D:前記タブの先端から前記缶蓋の表面までの距離、
E:前記タブの先端より下ろした垂線と前記缶蓋の表面との交差部から前記缶蓋のシーミングパネル頂部までの距離、
θ1:前記交差部と前記シーミングパネル頂部とを結ぶ直線と垂線との角度、
Z:前記脚部の接地部と当該脚部の外側に連接する缶胴の下端までの距離、
θ2:前記接地部と前記缶胴の下端とを結ぶ直線と垂線との角度、
Y1:前記凹部の底部と該凹部の下端までの距離、
Y2:前記底部と前記接地部までの距離、
X:前記凹部の下端を通る垂線と前記底部との距離、
をそれぞれ示す。 - 開口用のタブを備える缶蓋と、中央を内側に凹ませるドーム部と該ドーム部の周囲にて下側に向けて環状に突出する脚部とを備える缶底を具備し、前記ドーム部と前記脚部の連接部分に当該脚部の外側に向いた凹部を設けた缶体であって、
E<Zの条件で下記式、
L=D・cos(θ1−θ2),
A=X・(Y1+Y2−L)/Y1,
B=L+Y1−Y2を定義し、
L≧Y2の場合に、
(A+B)・E/Z<1.85を満たすことを特徴とする缶体。
式中、D:前記タブの先端から前記缶蓋の表面までの距離、
E:前記タブの先端より下ろした垂線と前記缶蓋の表面との交差部から前記缶蓋のシーミングパネル頂部までの距離、
θ1:前記交差部と前記シーミングパネル頂部とを結ぶ直線と垂線との角度、
Z:前記脚部の接地部と当該脚部の外側に連接する缶胴の下端までの距離、
θ2:前記接地部と前記缶胴の下端とを結ぶ直線と垂線との角度、
Y1:前記凹部の底部と該凹部の下端までの距離、
Y2:前記底部と前記接地部までの距離、
X:前記凹部の下端を通る垂線と前記底部との距離、
をそれぞれ示す。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015073707A JP6012804B1 (ja) | 2015-03-31 | 2015-03-31 | 缶体 |
CN201680019146.8A CN107428430A (zh) | 2015-03-31 | 2016-02-15 | 罐体 |
EP16771922.8A EP3279100A4 (en) | 2015-03-31 | 2016-02-15 | Can body |
PCT/JP2016/054285 WO2016158038A1 (ja) | 2015-03-31 | 2016-02-15 | 缶体 |
US15/710,032 US10583952B2 (en) | 2015-03-31 | 2017-09-20 | Can body |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015073707A JP6012804B1 (ja) | 2015-03-31 | 2015-03-31 | 缶体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6012804B1 true JP6012804B1 (ja) | 2016-10-25 |
JP2016193734A JP2016193734A (ja) | 2016-11-17 |
Family
ID=57005694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015073707A Active JP6012804B1 (ja) | 2015-03-31 | 2015-03-31 | 缶体 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10583952B2 (ja) |
EP (1) | EP3279100A4 (ja) |
JP (1) | JP6012804B1 (ja) |
CN (1) | CN107428430A (ja) |
WO (1) | WO2016158038A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020090271A1 (ja) | 2018-10-31 | 2020-05-07 | 東洋製罐グループホールディングス株式会社 | プレス加工用金型およびプレス加工方法 |
WO2020090504A1 (ja) | 2018-10-31 | 2020-05-07 | 東洋製罐グループホールディングス株式会社 | 機械加工用治具及び機械加工方法、並びにシームレス缶体の製造方法 |
WO2021193003A1 (ja) | 2020-03-27 | 2021-09-30 | 東洋製罐グループホールディングス株式会社 | 有底筒状体の製造方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021031181A (ja) * | 2019-08-19 | 2021-03-01 | ユニバーサル製缶株式会社 | 缶体 |
Citations (4)
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JPS58177325U (ja) * | 1982-05-19 | 1983-11-28 | 昭和アルミニウム缶株式会社 | 積重ね式飲料用缶における事故開封防止装置 |
JPH02152667A (ja) * | 1988-11-25 | 1990-06-12 | Hokkai Can Co Ltd | 缶詰容器用簡易開口蓋 |
JP2002059928A (ja) * | 2000-08-16 | 2002-02-26 | Mitsubishi Materials Corp | 缶 蓋 |
JP2012236624A (ja) * | 2011-05-11 | 2012-12-06 | Toyo Seikan Kaisha Ltd | 缶蓋 |
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US3409167A (en) * | 1967-03-24 | 1968-11-05 | American Can Co | Container with flexible bottom |
US3693828A (en) * | 1970-07-22 | 1972-09-26 | Crown Cork & Seal Co | Seamless steel containers |
US3905507A (en) * | 1974-04-05 | 1975-09-16 | Nat Can Corp | Profiled bottom wall for containers |
US3942673A (en) * | 1974-05-10 | 1976-03-09 | National Can Corporation | Wall construction for containers |
US4151927A (en) * | 1974-07-12 | 1979-05-01 | Reynolds Metals Company | Container construction |
US4120419A (en) * | 1976-02-23 | 1978-10-17 | National Steel Corporation | High strength seamless chime can body, sheet metal container for vacuum packs, and manufacture |
US4177746A (en) * | 1976-07-29 | 1979-12-11 | Reynolds Metals Company | Method of forming a container |
JPS5325186A (en) * | 1976-08-20 | 1978-03-08 | Daiwa Can Co Ltd | Metallic can for drink containing carbon dioxide or the like |
US4125632A (en) * | 1976-11-22 | 1978-11-14 | American Can Company | Container |
FR2448480A1 (fr) * | 1979-02-07 | 1980-09-05 | Solvay | Corps creux en matiere thermoplastique orientee |
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JPS58177325A (ja) | 1982-04-12 | 1983-10-18 | Matsushita Electric Ind Co Ltd | 円盤状記録媒体の成形装置 |
JPS6129625A (ja) | 1984-07-23 | 1986-02-10 | Matsushita Electric Ind Co Ltd | 調理器 |
US4832223A (en) * | 1987-07-20 | 1989-05-23 | Ball Corporation | Container closure with increased strength |
JPH01130916A (ja) | 1987-11-18 | 1989-05-23 | Ishikawajima Harima Heavy Ind Co Ltd | 混練押出装置 |
US5105973B1 (en) | 1990-10-22 | 1998-06-02 | Ball Corp | Beverage container with improved bottom strength |
MX9101632A (es) | 1990-10-22 | 1992-06-05 | Ball Corp | Metodo y aparato para reforzar la base o fondo de un recipiente |
US5234126A (en) * | 1991-01-04 | 1993-08-10 | Abbott Laboratories | Plastic container |
EP1813540A1 (en) * | 2006-01-30 | 2007-08-01 | Impress Group B.V. | Can end for a can and such can |
JP2014054999A (ja) | 2012-09-11 | 2014-03-27 | Kirin Brewery Co Ltd | 2ピース缶 |
-
2015
- 2015-03-31 JP JP2015073707A patent/JP6012804B1/ja active Active
-
2016
- 2016-02-15 WO PCT/JP2016/054285 patent/WO2016158038A1/ja unknown
- 2016-02-15 EP EP16771922.8A patent/EP3279100A4/en not_active Withdrawn
- 2016-02-15 CN CN201680019146.8A patent/CN107428430A/zh active Pending
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JPS58177325U (ja) * | 1982-05-19 | 1983-11-28 | 昭和アルミニウム缶株式会社 | 積重ね式飲料用缶における事故開封防止装置 |
JPH02152667A (ja) * | 1988-11-25 | 1990-06-12 | Hokkai Can Co Ltd | 缶詰容器用簡易開口蓋 |
JP2002059928A (ja) * | 2000-08-16 | 2002-02-26 | Mitsubishi Materials Corp | 缶 蓋 |
JP2012236624A (ja) * | 2011-05-11 | 2012-12-06 | Toyo Seikan Kaisha Ltd | 缶蓋 |
Cited By (3)
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WO2020090271A1 (ja) | 2018-10-31 | 2020-05-07 | 東洋製罐グループホールディングス株式会社 | プレス加工用金型およびプレス加工方法 |
WO2020090504A1 (ja) | 2018-10-31 | 2020-05-07 | 東洋製罐グループホールディングス株式会社 | 機械加工用治具及び機械加工方法、並びにシームレス缶体の製造方法 |
WO2021193003A1 (ja) | 2020-03-27 | 2021-09-30 | 東洋製罐グループホールディングス株式会社 | 有底筒状体の製造方法 |
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US20180029741A1 (en) | 2018-02-01 |
WO2016158038A1 (ja) | 2016-10-06 |
EP3279100A1 (en) | 2018-02-07 |
JP2016193734A (ja) | 2016-11-17 |
US10583952B2 (en) | 2020-03-10 |
EP3279100A4 (en) | 2018-12-12 |
CN107428430A (zh) | 2017-12-01 |
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