EP3584192B1 - Couvercle de récipient ayant un corps métallique et un revêtement en résine synthétique - Google Patents
Couvercle de récipient ayant un corps métallique et un revêtement en résine synthétique Download PDFInfo
- Publication number
- EP3584192B1 EP3584192B1 EP18755003.3A EP18755003A EP3584192B1 EP 3584192 B1 EP3584192 B1 EP 3584192B1 EP 18755003 A EP18755003 A EP 18755003A EP 3584192 B1 EP3584192 B1 EP 3584192B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- peripheral edge
- outer peripheral
- region
- central portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229920003002 synthetic resin Polymers 0.000 title claims description 27
- 239000000057 synthetic resin Substances 0.000 title claims description 27
- 229910052751 metal Inorganic materials 0.000 title claims description 13
- 239000002184 metal Substances 0.000 title claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 70
- 239000000463 material Substances 0.000 claims description 24
- 238000000465 moulding Methods 0.000 claims description 19
- 230000007423 decrease Effects 0.000 claims description 7
- 239000007789 gas Substances 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 5
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000005028 tinplate Substances 0.000 description 1
Images
Classifications
-
- 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
- B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
- B65D53/04—Discs
-
- 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
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
- B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
Definitions
- This invention relates to a container lid comprising a body made of a thin metal plate, the body having a circular top panel wall, and a cylindrical skirt wall extending downwardly from the peripheral edge of the top panel wall; and a synthetic resin liner disposed on the inner surface of the top panel wall of the body.
- Containers are formed from thin metal plates such as aluminum-based alloys.
- an outward curl is formed in an upper end part of a cylindrical mouth-neck section, and an internal thread and a locking jaw located below it are formed on the outer peripheral surface of the mouth-neck section.
- Patent Documents 1 and 2 shown below disclose container lids each comprising a body made of a thin metal plate, the body having a circular top panel wall, and a cylindrical skirt wall extending downwardly from the peripheral edge of the top panel wall; and a synthetic resin liner disposed on the inner surface of the top panel wall of the body.
- An annular concavity is formed in an upper end part of the skirt wall of the body.
- the liner is composed of a first layer formed by press-molding a rigid synthetic resin material supplied to the inner surface of the top panel wall, and a second layer formed by press-molding a flexible synthetic resin material supplied to the lower surface of the first layer.
- the first layer of the liner has a circular central portion extending along the inner surface of the top panel wall of the body, and a toroidal outer peripheral edge portion extending along an outer peripheral edge part of the top panel wall of the body and along the upper end part of the skirt wall.
- the second layer of the liner is laminated to the central portion of the first layer.
- the conventional container lid of the above-described form has been found to pose the following problems to be solved: (1) When the second layer is press-molded, it is highly likely that a radially inner region in the outer peripheral edge portion of the first layer, namely a part in the outer peripheral edge portion which is adjacent to the central portion, will be damaged. (2) When the second layer is to be press-molded, the synthetic resin for forming the second layer fails to flow sufficiently smoothly and as required, so that the second layer of a required shape may fail to be press-molded.
- the present invention has been accomplished in the light of the above facts. Its first challenge is to provide a novel and improved container lid which is maximally freed from a situation where the radially inner region in the outer peripheral edge portion of the first layer is damaged when the second layer is press-molded, without other problems, such as a considerable increase in the consumption of the material used, being raised.
- a second challenge facing the present invention is to provide a novel and improved container lid in which the second layer of the required shape can be press-molded reliably.
- the present inventors Upon in-depth studies and experiments, the present inventors have recognized the following cause of the situation where the radially inner region of the outer peripheral edge portion of the first layer is damaged when the second layer is press-molded:
- the thickness of the radially inner region of the outer peripheral edge portion which should normally be the same as the thickness of a radially outer region of the central portion adjacent thereto, is actually too small.
- the radially inner region of the outer peripheral edge portion of the first layer does not have sufficient resistance against contact under a considerable pressing force exerted by a mold component for press-molding the second layer.
- the inventors have found that the first challenge can be solved by making the thickness of the radially inner region of the outer peripheral edge portion of the first layer larger than the thickness of the radially outer region of the central portion to render a step existent at a boundary between the central portion and the outer peripheral edge portion (the first challenge can also be solved even if no step is made present by similarly increasing the thickness the radially outer region of the central portion; this measure, however, will increase the amount of the material necessary for formation of the first layer).
- the present inventors have found, upon in-depth studies and experiments, that when a toroidal thickness varying region whose thickness gradually decreases radially outwardly is rendered present in the central portion of the first layer, the synthetic resin material for forming the second layer can be flowed sufficiently smoothly during press molding of the second layer.
- a container lid for solving the above first challenge, a container lid comprising a body made of a thin metal plate, the body having a circular top panel wall, and a cylindrical skirt wall extending downwardly from the peripheral edge of the top panel wall; and a synthetic resin liner disposed on the inner surface of the top panel wall of the body,
- a container lid for solving the above first challenge wherein the wall thickness of a radially inner region of the outer peripheral edge portion of the first layer of the liner is larger than the wall thickness of a radially outer region of the central portion of the first layer, and a step is present at a boundary between the central portion and the outer peripheral edge portion.
- a container lid for solving the above second challenge, a container lid comprising a body made of a thin metal plate, the body having a circular top panel wall, and a cylindrical skirt wall extending downwardly from the peripheral edge of the top panel wall; and a synthetic resin liner disposed on the inner surface of the top panel wall of the body,
- the step preferably measures 0.05 to 0.40 mm.
- the second layer has a circular thin-walled central portion, and a toroidal thick-walled outer peripheral edge portion; an annular protrusion protruding downward is present in a radially inner region of the thick-walled outer peripheral edge portion; and the outer peripheral edge of the thickness varying region of the first layer is located radially inwardly of the inner peripheral edge of the annular protrusion.
- the thickness varying region of the first layer is located opposite a radially outer region of the thin-walled central portion of the second layer; and the thickness of the radially outer region of the thin-walled central portion of the second layer gradually increases radially outwardly in accordance with thickness variations of the thickness varying region of the first layer.
- the thickness varying region desirably inclines at an inclination angle of 0.5 to 3.0 degrees relative to the horizontal.
- the container lid is applied to a container made of a thin metal plate, the container having an outward curl formed at the leading end of a mouth-neck section thereof, an outer peripheral surface of the annular protrusion of the second layer of the liner is brought into intimate contact with an upper end part of the inner peripheral surface of the outward curl; and a lower surface of a radially outer region of the thick-walled outer peripheral edge portion located radially outwardly of the annular projection is brought into intimate contact with an upper surface to an outer peripheral surface of the outward curl.
- the wall thickness of the radially inner region of the outer peripheral edge portion of the first layer of the liner is larger than the wall thickness of the radially outer region of the central portion, and the step is present at the boundary between the central portion and the outer peripheral edge portion.
- the wall thickness of the radially inner region of the outer peripheral edge portion of the first layer of the liner can be rendered a sufficient thickness, without an excessive increase in the amount of the material necessary for molding of the first layer.
- the toroidal thickness varying region whose thickness gradually decreases radially outwardly is present in the central portion of the first layer.
- the flow of the material during press molding of the second layer is promoted owing to the presence of the thickness varying region.
- the second layer of the required shape can be press-molded reliably.
- a container lid entirely indicated at 2 which has been configured in accordance with the present invention, comprises a body 4 made of a thin metal plate and a liner 6 made of a synthetic resin.
- the body 4 which can be formed from a suitable thin metal plate such as a thin plate of an aluminum-based alloy, has a circular top panel wall 8, and a cylindrical skirt wall 10 extending downwardly from the peripheral edge of the top panel wall 8.
- a boundary region between the top panel wall 8 and the skirt wall 10 is in an arcuate shape as viewed in a cross section.
- An annular concavity 12 continuously extending in a circumferential direction is formed in an upper end part of the skirt wall 10.
- a plurality of slits (notches) 14 extending in the circumferential direction are formed at intervals in the circumferential direction. Regions located below the slits 14 are displaced radially inwardly.
- a circumferential breakable line 16 is disposed, whereby the skirt wall 10 is divided into a main portion 18 located above the circumferential breakable line 16, and a tamper-evident bottom portion 20 located below the circumferential breakable line 16.
- the circumferential breakable line 16 in the illustrated embodiment is composed of a plurality of slits 22 extending in the circumferential direction at intervals in the circumferential direction, and a plurality of bridge portions 24 left between these slits 22.
- the tamper-evident bottom portion 20 is connected to the main portion 18 via the plurality of bridge portions 24.
- the liner 6 is composed of a first layer 26 and a second layer 28.
- the first layer 26 is formed by press-molding a synthetic resin material supplied to the inner surface of the top panel wall 8 of the body 4. More detailedly, the body 4 is held in an inverted state on a rest (not shown), a synthetic resin material in a softened molten state is supplied to the middle of the top panel wall 8, and a press-molding member (not shown) of a required shape is pressed against the synthetic resin material at a required pressure, whereby the first layer 26 is formed. It is important that the first layer 26 be molded from a rigid synthetic resin excellent in gas barrier properties, such as polyethylene or polypropylene.
- the first layer 26 is higher in gas barrier properties than the second layer 28 constituting a sealing layer.
- the second layer 28 is formed by press-molding a synthetic resin material supplied to the lower surface of the first layer 26. More detailedly, the body 4 having the first layer 26 formed therein is held in an inverted state on the rest (not shown), a synthetic resin material in a softened molten state is supplied to the middle of the first layer 26, and a press-molding member (not shown) of a required shape is pressed against the synthetic resin material at a required pressure, whereby the second layer 28 is formed. It is important that the second layer 28 be molded from a flexible synthetic resin excellent in sealing properties, such as polyethylene or elastomer.
- the first layer 26 has a circular central portion 30 extending along the inner surface of the top panel wall 8 of the body 4, and a toroidal outer peripheral edge portion 32 extending along the inner surface of an outer peripheral edge part of the top panel wall 8 of the body 4 and along the inner surface of an upper end part of the skirt wall 10. It is important that a toroidal thickness varying region 34 whose thickness gradually decreases radially outwardly (accordingly, its lower surface extends in an upwardly inclined manner toward the outside in the radial direction) be present in the central portion 30 (the outer peripheral edge of the thickness varying region 34 is preferably situated near an annular protrusion 40 (to be described later) of the second layer 28 and radially inwardly thereof).
- the inclination angle ⁇ of the lower surface of the thickness varying region 34 relative to the horizontal is preferably 0.5 to 3.0 degrees.
- the wall thickness of a radially inner region of the outer peripheral edge portion 32 of the first layer 26 is larger than the wall thickness of a radially outer region of the central portion 30, and a step s, which preferably has a dimension of the order of 0.05 to 0.40 mm, is present at a boundary between the central portion 30 and the outer peripheral edge portion 32.
- the second layer 28 laminated to the central portion 30 of the first layer 26 has a circular thin-walled central portion 36, and a toroidal thick-walled outer peripheral edge portion 38. In a radially inner region of the outer peripheral edge portion 38, the annular protrusion 40 protruding downward is present.
- the wall thickness of the radially inner region of the outer peripheral edge portion 32 of the first layer 26 constituting the liner 6 is larger than the wall thickness of the radially outer region of the central portion 30, and the step s is present at the boundary between the central portion 30 and the outer peripheral edge portion 32.
- the wall thickness of the radially inner region of the outer peripheral edge portion 32 of the first layer 26 is relatively large.
- the wall thickness of the radially outer region of the central portion 30 of the first layer 26 is relatively small, so that the amount of the synthetic resin material for forming the first layer 26 does not excessively increase.
- the thickness varying region 34 whose thickness gradually decreases radially outwardly is present in the central portion 30 of the first layer 26.
- Figs. 3 and 4 show a mouth-neck section 42 of a container to which the container lid 2 is applied.
- the mouth-neck section 42 of the container of a shape well known per se, which can be formed from a suitable thin metal plate such as a chromated thin steel plate, a thin tinplate, or a thin plate of an aluminum-based alloy, is in a nearly cylindrical shape as a whole, and has an outward curl 44 formed in an upper end part whose outer diameter gradually decreases upwardly.
- An external thread 46 and a locking jaw 48 located below the external thread 46 are formed in an outer peripheral surface of a main part of the mouth-neck section 42.
- the container lid 2 In mounting the container lid 2 on the mouth-neck section 42 of the container to seal the mouth-neck section 42, the container lid 2 is fitted onto the mouth-neck section 42, and pressed downward to create a state in which the second layer 28 of the liner 6 is brought into intimate contact with the top of the mouth-neck section 42, more detailedly, a state in which the outer peripheral surface of the annular protrusion 40 of the second layer 28 and the lower surface of the radially outer region of the thick-walled outer peripheral edge portion 38 located radially outwardly of the annular protrusion 40 are brought into intimate contact with the upper end of the inner peripheral surface to the upper surface of the outward curl 44 of the mouth-neck section 42.
- the main portion 18 of the skirt wall 10 of the body 4 is deformed along the external thread 46 formed in the mouth-neck section 42 of the container to form an internal thread, while a lower end part of the tamper-evident bottom portion 20 in the skirt wall 10 of the body 4 is deformed radially inwardly and locked to the locking jaw 48 in the mouth-neck section 42 of the container.
- the fingers are hooked onto the skirt wall 8 of the body 4 to rotate the container lid 2 in an opening direction, namely, in a counterclockwise direction as viewed from above in Fig. 3 .
- the internal thread formed in the main portion 18 of the skirt wall 10 is moved along the external thread 46 of the mouth-neck section 42, whereupon the container lid 2 is moved upward relative to the mouth-neck section 42.
- the tamper-evident bottom portion 20 of the skirt wall 10 whose lower end part has been locked to the locking jaw 48 of the mouth-neck section 42, is inhibited from moving upward.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Claims (7)
- Couvercle (2) de récipient comprenant un corps (4) constitué d'une plaque métallique mince, le corps comportant une paroi (8) de panneau supérieur circulaire et une paroi (10) de jupe cylindrique s'étendant vers le bas à partir d'un bord périphérique de la paroi (8) de panneau supérieur ; et un revêtement (6) en résine synthétique disposé sur une surface interne de la paroi de panneau supérieur du corps (4),le revêtement étant composé d'une première couche (26) formée par moulage à pression d'un matériau de résine synthétique rigide alimenté à la surface interne de la paroi de panneau supérieur ; et d'une seconde couche (28) formée par moulage à pression d'un matériau de résine synthétique souple alimenté à une surface inférieure de la première couche,la première couche (26) du revêtement (6) comportant une partie centrale circulaire (30) s'étendant le long de la surface interne de la paroi de panneau supérieur du corps ; et une partie bord périphérique externe toroïdale (32) s'étendant le long d'une surface interne d'une partie bord périphérique externe de la paroi de panneau supérieur du corps et le long d'une surface interne d'une partie d'extrémité supérieure de la paroi de jupe, etla seconde couche (28) du revêtement (6) étant stratifiée à la partie centrale (30) de la première couche (26),caractérisé en ce queune région toroïdale à épaisseur variable (34), dont l'épaisseur diminue progressivement radialement vers l'extérieur, est présente dans la partie centrale (30) de la première couche (26).
- Le couvercle (2) de récipient selon la revendication 1,
dans lequel une épaisseur de paroi d'une région radialement interne de la partie bord périphérique externe (32) de la première couche (26) du revêtement (6) est plus grande qu'une épaisseur de paroi d'une région radialement externe de la partie centrale (30) de la première couche, et une marche (S) est présente au niveau d'une limite entre la partie centrale (30) et la partie bord périphérique externe (32) . - Le couvercle (2) de récipient selon la revendication 2,
dans lequel la marche (S) mesure entre 0,05 et 0,40 mm. - Le couvercle (2) de récipient selon l'une quelconque des revendications précédentes, dans lequella seconde couche (28) comporte une partie centrale à paroi mince circulaire (36), et une partie bord périphérique externe à paroi épaisse toroïdale (38) ;une saillie annulaire (40), faisant saillie vers le bas, est présente dans une région radialement interne de la partie bord périphérique externe à paroi épaisse (38) ; etun bord périphérique externe de la région à épaisseur variable (34) de la première couche est situé radialement vers l'intérieur d'un bord périphérique interne de la saillie annulaire (40).
- Le couvercle (2) de récipient selon la revendication 4, dans lequella région à épaisseur variable (34) de la première couche (26) est située à l'opposé d'une région radialement externe de la partie centrale à paroi mince (36) de la seconde couche (28) ; etune épaisseur de la région radialement externe de la partie centrale à paroi mince (36) de la seconde couche (28) augmente progressivement radialement vers l'extérieur conformément aux variations d'épaisseur de la région à épaisseur variable (34) de la première couche (26).
- Le couvercle (2) de récipient selon l'une quelconque des revendications précédentes, dans lequel la région à épaisseur variable (34) s'incline selon un angle d'inclinaison compris entre 0,5 et 3,0 degrés par rapport à l'horizontale.
- Le couvercle (2) de récipient selon l'une quelconque des revendications précédentes,appliqué à un récipient constitué d'une plaque métallique mince, le récipient comportant un bord roulé extérieur formé au niveau d'une extrémité d'entrée de sa section de goulot,dans lequel une surface périphérique externe de la saillie annulaire (40) de la seconde couche (28) du revêtement (6) est mise en contact étroit avec une partie d'extrémité supérieure d'une surface périphérique interne du bord roulé extérieur ; etune surface inférieure d'une région radialement externe de la partie bord périphérique externe à paroi épaisse (38), située radialement vers l'extérieur de la saillie annulaire, est mise en contact étroit avec une surface supérieure d'une surface périphérique externe du bord roulé extérieur.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017025771A JP7141812B2 (ja) | 2017-02-15 | 2017-02-15 | 金属製本体及び合成樹脂製ライナーを備えた容器蓋 |
PCT/JP2018/003432 WO2018150896A1 (fr) | 2017-02-15 | 2018-02-01 | Couvercle de récipient ayant un corps métallique et un revêtement en résine synthétique |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3584192A1 EP3584192A1 (fr) | 2019-12-25 |
EP3584192A4 EP3584192A4 (fr) | 2021-02-24 |
EP3584192B1 true EP3584192B1 (fr) | 2022-03-30 |
Family
ID=63169833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18755003.3A Active EP3584192B1 (fr) | 2017-02-15 | 2018-02-01 | Couvercle de récipient ayant un corps métallique et un revêtement en résine synthétique |
Country Status (6)
Country | Link |
---|---|
US (1) | US20190359398A1 (fr) |
EP (1) | EP3584192B1 (fr) |
JP (2) | JP7141812B2 (fr) |
KR (1) | KR102592793B1 (fr) |
CN (1) | CN110167848B (fr) |
WO (1) | WO2018150896A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7203570B2 (ja) * | 2018-10-31 | 2023-01-13 | 大和製罐株式会社 | キャップ |
WO2021060252A1 (fr) * | 2019-09-25 | 2021-04-01 | 日本山村硝子株式会社 | Capuchon |
US11794450B2 (en) * | 2020-12-18 | 2023-10-24 | Altria Client Services Llc | Polymer-laminated metal lid |
KR102443711B1 (ko) * | 2022-02-07 | 2022-09-16 | 세왕금속공업(주) | 씰 라이너 분리형 병마개 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4829422B2 (ja) * | 2001-05-10 | 2011-12-07 | 東洋製罐株式会社 | 滑剤落下防止手段を備えた容器蓋 |
US7611026B1 (en) * | 2002-08-12 | 2009-11-03 | Rexam Closure Systems Inc. | Tamper-evident closure having a sealing disk and package for high-temperature applications |
CN101044068B (zh) * | 2004-07-30 | 2011-04-27 | 希尔甘控股公司 | 用于容器的pt-封闭装置 |
WO2006068230A1 (fr) * | 2004-12-22 | 2006-06-29 | Universal Can Corporation | Element de couvercle, contenant avec couvercle, procede de production d’un element de couvercle et dispositif de moulage d’un element de couvercle |
JP4960604B2 (ja) * | 2005-05-30 | 2012-06-27 | 日本クラウンコルク株式会社 | 酸素吸収性を有する容器蓋 |
US7946436B2 (en) * | 2005-10-10 | 2011-05-24 | Rieke Corporation | Beverage container with threaded plastic drinking sleeve |
FR2900143B1 (fr) * | 2006-04-24 | 2010-08-13 | Alcan Packaging Capsules | Procede de capsule et capsule de bouchage correspondante |
JP4994172B2 (ja) * | 2007-09-26 | 2012-08-08 | 日本クラウンコルク株式会社 | 容器用のキャップ |
JP4911792B2 (ja) * | 2009-05-23 | 2012-04-04 | ユニバーサル製缶株式会社 | ライナー付きキャップ及びキャップ付きボトル |
EP2522591A1 (fr) * | 2011-05-09 | 2012-11-14 | Amcor Flexibles Capsules France | Capsule de bouchage à vis |
JP6137958B2 (ja) * | 2013-06-19 | 2017-05-31 | ユニバーサル製缶株式会社 | ライナ付キャップの製造方法 |
JP6356951B2 (ja) * | 2013-08-22 | 2018-07-11 | 日本クロージャー株式会社 | 易開封性容器蓋 |
JP6626622B2 (ja) | 2014-06-27 | 2019-12-25 | 日本クロージャー株式会社 | 金属製キャップとその製造方法 |
-
2017
- 2017-02-15 JP JP2017025771A patent/JP7141812B2/ja active Active
-
2018
- 2018-02-01 KR KR1020197019643A patent/KR102592793B1/ko active IP Right Grant
- 2018-02-01 CN CN201880006359.6A patent/CN110167848B/zh active Active
- 2018-02-01 WO PCT/JP2018/003432 patent/WO2018150896A1/fr unknown
- 2018-02-01 US US16/485,004 patent/US20190359398A1/en not_active Abandoned
- 2018-02-01 EP EP18755003.3A patent/EP3584192B1/fr active Active
-
2021
- 2021-05-14 JP JP2021082410A patent/JP7506027B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
EP3584192A4 (fr) | 2021-02-24 |
JP2018131234A (ja) | 2018-08-23 |
JP2021120301A (ja) | 2021-08-19 |
US20190359398A1 (en) | 2019-11-28 |
KR20190118550A (ko) | 2019-10-18 |
WO2018150896A1 (fr) | 2018-08-23 |
EP3584192A1 (fr) | 2019-12-25 |
JP7506027B2 (ja) | 2024-06-25 |
JP7141812B2 (ja) | 2022-09-26 |
KR102592793B1 (ko) | 2023-10-20 |
CN110167848B (zh) | 2022-02-15 |
CN110167848A (zh) | 2019-08-23 |
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