CN113423648B - Synthetic resin cap - Google Patents
Synthetic resin cap Download PDFInfo
- Publication number
- CN113423648B CN113423648B CN202080013708.4A CN202080013708A CN113423648B CN 113423648 B CN113423648 B CN 113423648B CN 202080013708 A CN202080013708 A CN 202080013708A CN 113423648 B CN113423648 B CN 113423648B
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- China
- Prior art keywords
- root
- midfoot
- sectional shape
- longitudinal sectional
- synthetic resin
- 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.)
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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
- 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
- B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
- B65D41/04—Threaded or like caps or cap-like covers secured by rotation
- B65D41/0407—Threaded or like caps or cap-like covers secured by rotation with integral sealing means
-
- 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
- B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
- B65D41/04—Threaded or like caps or cap-like covers secured by rotation
-
- 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
- B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
- B65D41/22—Caps or cap-like covers with elastic parts adapted to be stretched over the container
- B65D41/225—Caps or cap-like covers with elastic parts adapted to be stretched over the container with integral internal sealing means
-
- 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
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/02—Removable lids or covers
- B65D43/0202—Removable lids or covers without integral tamper element
- B65D43/0225—Removable lids or covers without integral tamper element secured by rotation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Abstract
The invention provides a synthetic resin cap capable of improving sealing performance. A synthetic resin cap (1) is provided with a top wall (2) and a skirt wall (3), wherein the skirt wall (3) extends downward from the outer periphery of the top wall (2), has an internal thread (5) screwed with an external thread (M1) of a container mouth (M), and is integrally formed with an annular center leg (6) which is in close contact with the inner periphery of the container mouth (M) on the lower surface of the top wall (2), wherein the longitudinal cross-sectional shape of the outer periphery of an upper portion (13) extending from a root portion (12) of the center leg (6) to a central portion (14) is a curved shape recessed inward of the center leg (6).
Description
Technical Field
The present invention relates to a synthetic resin cap which is attached to a mouth portion of a container for storing contents such as beverages, for example.
Background
As a conventional synthetic resin cap, there is known a synthetic resin cap as shown in fig. 3 (a) and (B), which is configured to: an annular inner seal projection 53 fitted into the container mouth portion M, an annular opening end seal projection 54 abutting against an opening end face of the container mouth portion M, and an annular outer seal projection 55 abutting against an outer surface of the container mouth portion M are formed on the top plate portion 51 of the cap including the top plate portion 51 and a tube portion 52 hanging from a peripheral edge thereof, and the inner seal projection 53 abuts against the inner surface of the container mouth portion M in a state of being elastically bent slightly inward (patent document 1).
In the above-described synthetic resin cap, the inner sealing projection 53 abuts against the inner surface of the container mouth portion M with a sufficient pressing force.
Documents of the prior art
Patent document
Patent document 1: japanese patent No. 5977937
Disclosure of Invention
Problems to be solved by the invention
However, the conventional synthetic resin cap described above is considered to have room for improvement in sealing performance.
The present invention has been made in view of the above circumstances, and an object thereof is to provide a synthetic resin cap which can improve sealing performance.
Means for solving the problems
In order to achieve the above object, a synthetic resin cap according to the present invention includes a top wall and a skirt wall extending downward from an outer peripheral portion of the top wall, the skirt wall having a female screw to be screwed with a male screw of a container mouth, and an annular center leg closely attached to an inner peripheral surface of the container mouth being integrally formed on a lower surface of the top wall, wherein a longitudinal sectional shape of an outer peripheral surface extending from a root portion of the center leg to an upper portion of the center leg is a curved shape recessed inward of the center leg (claim 1).
In the synthetic resin cap, the inner peripheral surface and the outer peripheral surface of the root portion of the center leg may have curved shapes in the vertical cross-sectional shape which are recessed upward of the center leg, and the inner peripheral surface may be gently curved in comparison with the outer peripheral surface of the root portion (claim 2).
In the synthetic resin cap, the outer peripheral surface of the root portion of the center leg may have a curved shape that is recessed upward of the center leg and may be curved steeply in comparison with the longitudinal sectional shape of the inner edge of the front end of the container mouth (claim 3).
In the synthetic resin cap, an annular rib and an annular leg may be integrally formed on a lower surface of the top wall, the annular rib may be located on an outer peripheral side of the leg and may be in close contact with an upper end surface of the container mouth, the annular leg may be located on an outer peripheral side of the annular rib and may be in close contact with an outer peripheral surface of the container mouth, a seal point having a maximum outer diameter at a vertically central portion may be formed on the outer peripheral surface of the leg, and an axial distance from a lower end of the annular rib to the seal point of the leg may be 1.5mm or more and 3.5mm or less (claim 4).
Effects of the invention
In the present invention, a synthetic resin cap capable of improving sealing performance can be obtained.
That is, in the synthetic resin cap according to the present invention, when the container mouth is capped, the top outer peripheral surface of the cap, which is carefully studied, is likely to come into close contact with the inner edge of the front end of the container mouth, and accordingly, the sealing property can be improved.
In the synthetic resin caps according to the inventions of claims 2 and 3, the above-described effect of improving the sealing property can be improved by carefully considering the root shape of the midfoot.
In the synthetic resin cap according to the invention of claim 4, the sealing point of the midfoot is carefully examined to improve the prevention of the airtight leakage.
Drawings
Fig. 1 (a) and (B) are a longitudinal sectional view and a main part enlarged explanatory view schematically showing the structure of a synthetic resin cap according to an embodiment of the present invention.
Fig. 2 is an explanatory view schematically showing a configuration of a main part of the synthetic resin cover.
Fig. 3 (a) is a longitudinal sectional view showing a conventional synthetic resin cap, and (B) is a longitudinal sectional view showing a main portion thereof in an enlarged manner.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings.
A synthetic resin cap (hereinafter, referred to as a cap) 1 shown in fig. 1 a and 2 is used by being attached to a mouth M (see fig. 2) of a container such as a PET bottle and is integrally molded from polyethylene by compression molding or injection molding. The material for forming the cap 1 is not particularly limited, and polypropylene or the like is suitably used in addition to the polyethylene used in the present embodiment.
The cap 1 has a top wall 2 that is substantially circular in plan view, and a substantially cylindrical skirt wall 3 that extends downward from the outer periphery of the top wall 2. Here, the skirt wall 3 is provided with a knurled groove 4 on the outer peripheral surface and a female screw 5 on the inner peripheral surface, and the female screw 5 can be coupled to a male screw M1 (see fig. 2) formed on the outer periphery of the container mouth.
When the cap 1 is rotated so that the female screw 5 of the skirt wall 3 is coupled to the male screw M1 of the container mouth M and attached to the container mouth M, an annular center leg (inner ring) 6, an annular rib 7, and an annular outer leg (outer ring) 8, which are continuously provided on the inner surface (lower surface) of the top wall 2, are brought into close contact with the container mouth M, whereby the container mouth is sealed. That is, in a state where the cap 1 is attached to the container mouth M, the center leg 6 is inserted into the container mouth M and is in close contact with the inner peripheral surface of the container mouth M, the annular rib 7 is in close contact with the annular upper end surface of the container mouth M, and the outer leg 8 is in close contact with the outer peripheral surface of the container mouth M.
The cap 1 is a tamper-proof cap having a function of proving that it is not opened (not opened at a time), and is configured such that: when the unopened cap 1 attached to the container mouth portion M is unsealed (first opened), the cap 1 is rotated to release the engagement between the male screw M1 and the female screw 5, and the cap 1 is detached from the container mouth portion M, but a tamper evident band (hereinafter, simply referred to as "band") 9 connected to the lower portion of the skirt wall 3 remains in the container mouth portion M.
That is, the band 9 is connected to the lower portion of the skirt wall 3 by an annular weakened portion 10 extending along the entire circumference of the skirt wall 3, the annular weakened portion 10 is composed of a plurality of bridge portions 10a present on the inner circumferential side of the boundary between the skirt wall 3 and the band 9, and a slit 10b extending in the circumferential direction of the skirt wall 3 and the band 9 so as to divide the skirt wall 3 and the band 9 up and down, and a part (outer circumferential portion) of the bridge portions 10a is also cut by the slit 10b so that the bridge portions 10a are broken when stretched with a predetermined force.
Further, on the inner peripheral side of the belt 9, a plurality of (8 in this example) inwardly projecting locking pieces (flaps) 11 are provided at intervals in the circumferential direction. In a state where the cap 1 is attached to the container mouth portion M, each locking piece 11 is positioned slightly below an annular projection M2 (see fig. 2) formed on the outer periphery of the container mouth portion M below the male screw M1, and is locked to the annular projection M2 by the unsealing operation. That is, the locking piece 11 is configured to be engageable with the annular projection M2 from below, and when unsealing, the lid body portion (the skirt wall 3 and the top wall 2) above the annular weakened portion 10 is detached from the container mouth portion M, and the band 9 below the annular weakened portion 10 remains in the container mouth portion M, and the annular weakened portion 10 is broken along with this.
Here, the band 9 is integrally formed with the cap body portion (the skirt wall 3 and the top wall 2), and the locking piece 11 provided to the band 9 projects downward at the time of molding the cap 1, but is pushed up by the annular projection M2 and inverted at the time of attaching the cap 1 to the container mouth portion M, and is in a state projecting upward as shown in fig. 1 (a) and 2.
In the present embodiment, as shown in fig. 1 (B), the outer peripheral surface of the midfoot portion 6 is divided into four regions, i.e., an outer root portion 12, an outer upper portion 13, an outer central portion 14, and an outer lower portion 15, from the root side to the tip side in a longitudinal sectional view.
The outer root portion 12 has the following longitudinal sectional shape: the lower surface of the top wall 2 is curved so as to be recessed above the midfoot portion 6 with a certain radius of curvature from a position inside the annular rib 7. Further, the outer root portion 12 is curved from the upper end downward such that the outer diameter becomes smaller toward the lower side, but is curved at the lower portion such that the outer diameter becomes larger toward the lower side.
The outer upper portion 13 has the following longitudinal sectional shape: the lower end of the lateral root portion 12 is curved so as to be concave inward of the midfoot portion 6 with a certain radius of curvature.
The outer center portion 14 has the following longitudinal sectional shape: the lower end of the lateral upper portion 13 is curved so as to protrude (protrude) outward of the midfoot portion 6 with a certain radius of curvature. Further, a seal point 14a at which the outer diameter of the midfoot portion 6 is maximum is provided at the vertical center portion of the outer center portion 14, and the outer center portion 14 is curved from the upper end thereof to the seal point 14a so that the outer diameter becomes larger toward the lower side, but is curved from the seal point 14a to the lower side and conversely so that the outer diameter becomes smaller toward the lower side.
The outer lower portion 15 has the following longitudinal sectional shape: the outer center portion 14 extends linearly from the lower end thereof with a constant inclination angle such that the outer diameter decreases toward the lower side.
In the present embodiment, as shown in fig. 1 (B), the inner peripheral surface of the midfoot portion 6 is divided into two regions, an inner root portion 16 and an inner body portion 17, from the root side to the tip side in a longitudinal sectional view.
The inner root 16 has the following longitudinal sectional shape: the lower surface of the top wall 2 is curved so as to have a certain radius of curvature from a position on the inner side of the midfoot portion 6 and be concave upward of the midfoot portion 6. Further, the inner root 16 is curved from the upper end downward such that the inner diameter increases toward the lower side.
The inner body 17 has the following longitudinal sectional shape: the inner root 16 extends linearly from its lower end so as to have a constant inclination angle (1 ° in this example) and to have an inner diameter that increases toward the lower side.
Here, in the longitudinal sectional shape of the midfoot portion 6, the radius of curvature of the inner root portion 16 is larger than the radius of curvature of the outer root portion 12 (the inner root portion 16 is curved more gently than the outer root portion 12), the radius of curvature of the outer center portion 14 is larger than the radius of curvature of the inner root portion 16, and the radius of curvature of the outer upper portion 13 is larger than the radius of curvature of the outer center portion 14. In the midfoot portion 6, the vertical width of the outer root portion 12 is greater than the vertical width of the inner root portion 16, the outer root portion 12 extends to a position below the inner root portion 16, the vertical width of the outer upper portion 13 is greater than the vertical width of the outer root portion 12, and the vertical width of the outer central portion 14 is smaller than the vertical width of the outer root portion 12 and the vertical width of the inner root portion 16.
In the center leg 6 configured as described above, since the longitudinal sectional shape of the outer upper portion 13, which is the largest area above the sealing point 14a on the outer peripheral surface thereof, is curved so as to be recessed inward of the center leg 6, the outer upper portion 13 is easily brought into close contact with the inner edge of the front end of the container mouth M when the cap 1 is attached to the container mouth M (when the cap is pressed), and the sealing property can be improved accordingly. Further, the effect is further enhanced by the following arrangement: no portion extending linearly in the vertical direction is provided on the upper portion of the outer peripheral surface of the center leg 6 (the upper side of the seal point 14 a), and a portion extending linearly (the inner body portion 17) is provided on the upper portion of the inner peripheral surface, that is, no portion extending in parallel inward and outward is provided on the upper portion of the center leg 6.
Further, the longitudinal sectional shapes of the outer root portion 12 and the inner root portion 16 of the center leg 6 are curved so as to be recessed above the center leg 6, and the inner root portion 16 is curved more gently than the outer root portion 12, whereby the above-described effect of improving the sealing property is also improved.
Here, the above-mentioned effect of improving the sealing property is also improved by, for example, making the longitudinal sectional shape of the outer root portion 12 smaller in curvature radius than the longitudinal sectional shape of the inner edge of the distal end of the container mouth portion M, so that the longitudinal sectional shape of the outer root portion 12 of the center leg 6 is curved more steeply than the longitudinal sectional shape of the inner edge of the distal end of the container mouth portion M.
The axial distance d1 from the lower end of the annular rib 7 to the seal point 14a of the midfoot 6 is preferably 1.5mm to 3.5 mm. If the diameter is less than 1.5mm, the sealing point 14a is too close to the tip of the container mouth M, whereas if the diameter exceeds 3.5mm, the portion above the sealing point 14a of the stem 6 is easily bent, and in any case, air-tight leakage is easily caused.
In the middle leg 6, the outer lower portion 15 is a portion which is brought into contact with the container mouth portion M at the time of capping, and basically, the central position 15a in the vertical direction is a portion which is supposed to be brought into contact with the container mouth portion M. In the present embodiment, the axial distance d2 from the seal point 14a to the center position 15a is greater than the axial distance d3 from the center position 15a to the lower end of the center leg 6 in the center leg 6, so that the amount of material used can be reduced by downsizing the center leg 6, and the thickness of the lower portion of the center leg 6 can be increased to some extent so as to be hard to break. In the present embodiment, the center position 15a is located at a position (outer peripheral side) outside the minimum outer diameter position of the center leg 6 and is in a range not protruding to the outer peripheral side of the outer root 12, so that the center leg 6 is easily deformed in a wide range downward from the root thereof at the time of capping, stress is not concentrated, and resistance as large as this can be hardly received.
The present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the present invention. For example, the following modifications are possible.
In the above embodiment, the inner body 17 has the following longitudinal sectional shape: the inner base portion 16 extends linearly from the lower end thereof at a constant inclination angle (1 °) so that the inner diameter increases toward the lower side, thereby facilitating the mold release, but the inner body portion 17 may extend parallel to the axial direction of the cap 1.
In the example of fig. 1 a and 2, a flap 11 (configured to fold back the lower portion of the tape 9 inward) is provided, but instead of the flap 11, a hook (configured to provide a portion protruding toward the inner periphery of the tape 9) may be provided to engage with the annular projection M2 of the container mouth portion M.
In the example of fig. 1 (a) and 2, the lower surface of the top wall 2 connected to the inner peripheral side of the midfoot portion 6 and the lower surface of the top wall 2 connected to the outer peripheral side are substantially the same height, but the lower surface of the top wall 2 is not limited thereto.
It is needless to say that the above modifications can be appropriately combined with each other.
Description of the symbols
1. Cover
2. Roof wall
3. Skirt wall
4. Knurling groove
5. Internal thread
6. Middle foot
7. Annular rib
8. External foot
9. Tamper evident band
10. Annular weakening portion
11. Card fixing piece
12. Outer root part
13. Outer upper part
14. Outer central part
14a sealing point
15. Outer lower part
16. Inner root part
17. Inner body part
51. Ceiling board part
52. Cylinder part
53. Inner side sealing protrusion
54. Open end sealing protrusion
55. Outside sealing protrusion
d1 Axial distance
d2 Axial distance
d3 Axial distance
M container mouth
M1 external thread
M2 Ring-shaped protrusion (engaged part)
Claims (5)
1. A synthetic resin cap comprising a top wall and a skirt wall extending downward from an outer peripheral portion of the top wall and having a female screw to be screwed with a male screw of a container mouth, wherein an annular stem is integrally formed on a lower surface of the top wall so as to be in close contact with an inner peripheral surface of the container mouth,
the outer peripheral surface of the midfoot portion is divided into four regions of an outer root, an outer upper portion, an outer central portion, and an outer lower portion from the root side toward the front end side as viewed in a longitudinal sectional shape thereof,
the outer root portion has the following longitudinal sectional shape: from the position of the lower surface of the top wall in a manner of being concave upward of the midfoot,
the outer upper portion has the following longitudinal cross-sectional shape: a curve having a certain radius of curvature and being concave toward the medial side of the midfoot from a lower end of the lateral root portion,
the outer central portion has the following longitudinal sectional shape: a curve having a certain radius of curvature and protruding outward of the midfoot from a lower end of the lateral upper portion,
a sealing point at which the outer diameter of the center leg is maximum is provided at a vertically central portion of the outer central portion, the outer central portion being curved from the upper end thereof to the sealing point such that the outer diameter increases toward the lower side, but being curved from the sealing point to the lower side such that the outer diameter decreases toward the lower side,
the outer lower portion has the following longitudinal sectional shape: a straight line extending from a lower end of the outer central portion at a constant inclination angle such that an outer diameter decreases toward a lower side,
in the longitudinal sectional shape of the midfoot, a radius of curvature of the lateral central portion is smaller than a radius of curvature of the lateral upper portion, and a vertical width of the lateral central portion is smaller than a vertical width of the lateral upper portion.
2. The synthetic resin cap according to claim 1, wherein the inner peripheral surface of the center leg is divided into two regions of an inner root portion and an inner body portion from a root side toward a tip side when viewed in a longitudinal sectional shape thereof,
the inner root portion has the following longitudinal sectional shape: the top wall lower surface is curved so as to have a certain radius of curvature from a position on the inner side of the midfoot and be concave upward of the midfoot, and the inner root portion is curved so as to have an inner diameter that increases from the upper end to the lower side thereof,
the inner body portion has the following longitudinal sectional shape: linearly extending from the lower end of the inner root portion,
the inner root portion is curved more gently than the outer root portion,
the lower surface of the ceiling wall connected to the inner peripheral side of the midfoot portion and the lower surface of the ceiling wall connected to the outer peripheral side are substantially the same height, the vertical width of the outer root portion is larger than the vertical width of the inner root portion, and the outer root portion extends to a position lower than the inner root portion.
3. The synthetic resin cap according to claim 1, wherein the outer upper portion occupies a maximum area above a sealing point on the outer peripheral surface of the midfoot.
4. The synthetic resin cap according to claim 2, wherein the outer upper portion occupies a maximum area above a sealing point on the outer peripheral surface of the midfoot.
5. The synthetic resin cap according to claim 2 or 4, wherein the inner body portion is provided on the upper portion of the inner peripheral surface of the center leg, the inner body portion being a portion extending linearly, and the portion extending in parallel inward and outward is not provided on the upper portion of the outer peripheral surface of the center leg, the portion extending linearly in the vertical direction being provided on the upper portion of the seal point.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019-041664 | 2019-03-07 | ||
JP2019041664 | 2019-03-07 | ||
PCT/JP2020/007988 WO2020179607A1 (en) | 2019-03-07 | 2020-02-27 | Synthetic resin cap |
Publications (2)
Publication Number | Publication Date |
---|---|
CN113423648A CN113423648A (en) | 2021-09-21 |
CN113423648B true CN113423648B (en) | 2022-12-30 |
Family
ID=72338645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202080013708.4A Active CN113423648B (en) | 2019-03-07 | 2020-02-27 | Synthetic resin cap |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP7434275B2 (en) |
KR (1) | KR20210129117A (en) |
CN (1) | CN113423648B (en) |
WO (1) | WO2020179607A1 (en) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4428776A1 (en) | 1994-08-13 | 1996-02-15 | Philips Patentverwaltung | Circuit arrangement for controlling a display arrangement consisting of several display units |
WO1999044896A2 (en) * | 1998-03-03 | 1999-09-10 | Frank Schellenbach | Plastic closing cap with a separable safety seal and inner seal |
KR101310891B1 (en) * | 2007-12-28 | 2013-09-25 | 니혼 야마무라가라스 가부시키가이샤 | Synthetic resin cap |
JP5173560B2 (en) * | 2008-04-25 | 2013-04-03 | 株式会社Csiジャパン | Synthetic resin cap, closure device, and beverage closure device |
JP5977937B2 (en) * | 2011-11-21 | 2016-08-24 | 株式会社Csiジャパン | Synthetic resin cap for carbonated beverage filling container, closure device, and beverage closure device |
JP2013203419A (en) | 2012-03-28 | 2013-10-07 | Nihon Yamamura Glass Co Ltd | Synthetic resin cap |
US20140263335A1 (en) | 2013-03-14 | 2014-09-18 | Silgan White Cap LLC | Internal, multi-seal plastic closure |
MY181827A (en) * | 2014-06-17 | 2021-01-08 | Suntory Holdings Ltd | Resin cap |
JP6932705B2 (en) * | 2016-09-06 | 2021-09-08 | 日本山村硝子株式会社 | Resin cap |
-
2020
- 2020-02-27 CN CN202080013708.4A patent/CN113423648B/en active Active
- 2020-02-27 WO PCT/JP2020/007988 patent/WO2020179607A1/en active Application Filing
- 2020-02-27 KR KR1020217029538A patent/KR20210129117A/en not_active Application Discontinuation
- 2020-02-27 JP JP2021504017A patent/JP7434275B2/en active Active
Also Published As
Publication number | Publication date |
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CN113423648A (en) | 2021-09-21 |
JP7434275B2 (en) | 2024-02-20 |
WO2020179607A1 (en) | 2020-09-10 |
JPWO2020179607A1 (en) | 2020-09-10 |
KR20210129117A (en) | 2021-10-27 |
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