CN113928681A - Double-edge-protection full-open cover - Google Patents
Double-edge-protection full-open cover Download PDFInfo
- Publication number
- CN113928681A CN113928681A CN202111265157.3A CN202111265157A CN113928681A CN 113928681 A CN113928681 A CN 113928681A CN 202111265157 A CN202111265157 A CN 202111265157A CN 113928681 A CN113928681 A CN 113928681A
- Authority
- CN
- China
- Prior art keywords
- arc
- edge
- double
- full
- central panel
- 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.)
- Pending
Links
- 239000011324 bead Substances 0.000 claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000005530 etching Methods 0.000 claims description 8
- 238000007688 edging Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000037303 wrinkles Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002787 reinforcement Effects 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
- 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
- B65D17/34—Arrangement or construction of pull or lift tabs
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers Opened By Tearing Frangible Portions (AREA)
Abstract
The invention relates to a double-edge-protection full-open cover, wherein the edge-protection area comprises a first edge-protection area, a first nick and a second edge-protection area, the first nick is arranged along the periphery of a central panel, and the first nick limits the central panel; the first score separates a first bead region and a second bead region, the first bead region being located at a periphery of the central panel; after the cover tongue piece (central panel) is pulled away, the left cover edge remained on the can not cut the fingers of a consumer, meanwhile, the pulled tongue piece can not cut the fingers of the consumer, and the edge of the leaked material is well protected by the edge protection formed by stretching and folding (namely called as a safety protection edge).
Description
Technical Field
The invention belongs to the field of pop can covers for food, and particularly relates to a double-edge-protection full-open cover.
Background
The double-edge-protection full-open cover is not developed at present in China; in a conventional full-open cap, after a tab is pressed down to start tongue piece, raw materials can be directly exposed after the tab is pulled away from a tangent line, and a metal cutting surface is relatively sharp and is easy to cut fingers of a consumer or hurt the contact skin of the consumer when drinking. Meanwhile, when the residual value of the scribed line is not uniform, the risk of leakage and poor opening is also generated. For example, patent document CN 211417939U discloses a 202 fully-opened pop can lid, which comprises a can sealing lid body, a fully-opened lid surface surrounded by a score line and inscribed on the inner periphery of the can sealing lid body, and a pull ring riveted on the fully-opened lid surface, wherein the pull ring is forced to drive the fully-opened lid surface to move relative to the can sealing lid body along the score line; the can sealing cover body comprises a can sealing area, a first straight section binding wall adjacent to the can sealing area, a straight section adjusting binding wall adjacent to the first straight section binding wall, a second straight section binding wall adjacent to the straight section adjusting binding wall, and an annular groove adjacent to the second straight section binding wall, wherein the annular groove is connected to the full-open cover face, and the straight section adjusting binding wall is respectively connected with the first straight section binding wall and the second straight section binding wall through an arc. Patent document CN201214504Y discloses a fully-opened safety cover, which comprises a cover body and a pull ring riveted on the cover body, wherein a circle of main score line is arranged on the cover body, a circle of wrinkle is arranged on the cover body near the main score line, the circle of main score line is located in a vertical projection area of the wrinkle, and a wrinkle inflection point forms a safety edge of a can opening edge after the cover body is opened along the main score line.
That is, the above patent documents do not realize the function of double edge protection, and the edge of the lid left on the can or the center panel pulled inside is easily scratched by the consumer after the lid center panel is pulled.
Disclosure of Invention
In order to solve the technical problem that the existing full-open lid with the easy-to-open lid is easy to cut fingers of consumers or contact the skin of a can body, the invention provides a full-open lid with a protective function, which is also called a double-edge-protecting full-open lid.
According to the double-edge-protection full-open cover provided by the invention, the effect of folding two edges is formed by adopting a die and a punch device and utilizing the stretching of a metal material, so that the opened tongue piece and the residual edge remained on the tank body form an inward-folded edge protection, and the injury of the tongue piece and the residual edge of the tank body to consumers is effectively avoided.
Specifically, the technical scheme provided by the invention is as follows: a double-edged full lid comprising: a center panel having a tab riveted thereto; further comprising: a border area comprising a first border area, a first score disposed along a perimeter of the central panel, the first score defining a central panel, and a second border area; the first score separates a first bead region and a second bead region, the first bead region being located at a periphery of the central panel;
the first protected area comprises a first arc, a first straight line segment, a second arc and a second straight line segment; the first arc line and the second arc line are connected with the first straight line segment, the first edge protection area and the second edge protection area are connected with each other through a second straight line segment, and the first notch is located on the second straight line segment.
Preferably, the second border area comprises a third arc, a fourth arc and a third straight line segment; the third pitch arc passes through with the fourth arc third straightway is connected, the third pitch arc is closer to than first pitch arc the pull ring, the fourth arc is closer to the pull ring than the second arc, the second arc is closer to than the first arc the pull ring, the third arc is closer to than the fourth arc the pull ring, the third arc is closer to than the second arc the pull ring.
Preferably, the first arc is of opposite curvature to the second arc, the third arc is of opposite curvature to the fourth arc, and the second arc is of opposite curvature to the third arc.
Preferably, the tab has an action point along the length direction, the action point being located on the first score, and a force application portion having an action point, the force application portion being located on the central panel.
Preferably, the edge rolling device further comprises a rolling edge and an annular groove, wherein the rolling edge is connected with the annular groove through a straight line, and the annular groove is located on the periphery of the edge protection area.
Preferably, the annular groove has two ends extending upward, one end being connected to the bead and the other end being connected to the bead region.
Preferably, the high point of the flange and the low point of the annular groove form the height of the lid, which is 6.73-6.99 mm.
Preferably, be provided with the finger ring on the center panel, be provided with the tab buckle on the pull ring, the annular region of tab buckle with the annular region part of finger ring overlaps, and the pull ring buckle in the top of finger ring.
Preferably, the central panel further comprises a riveting part, a reinforcing ring is arranged on the periphery of the riveting part, 2 reinforcing ribs are arranged on the central panel, and the 2 reinforcing ribs are symmetrically arranged on two sides of the pull ring.
Preferably, the mobile terminal further comprises a two-dimensional code etching part, wherein the two-dimensional code etching part is etched with a two-dimensional code.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, after the tongue piece of the cover is pulled open, the remaining cover edge on the can is not cut to the skin, meanwhile, the pulled tongue piece is not cut to fingers, the cutting line is arranged between the two double-folding edges, and after the can is opened, the tongue piece and the cover edge remaining on the can are both folded (namely, the cover edge is called as a safety protection edge) and are well protected.
2. According to the double-edge-protection full-open cover provided by the invention, the effect of folding two edges is formed by adopting a die and a punch device and utilizing the stretching of a metal material, so that the opened tongue piece and the residual edge remained on the tank body form an inward-folded edge protection, and the injury of the tongue piece and the residual edge of the tank body to consumers is effectively avoided.
Drawings
Brief description of the drawingsthe drawings which are needed to describe embodiments of the invention more clearly will now be described in more detail, and it will be apparent to those skilled in the art that the drawings described below are merely examples of embodiments of the invention, and that other drawings can be obtained by those skilled in the art without inventive effort.
In the drawings:
fig. 1 is a schematic structural view of a double-edge-protecting full-open cover provided by the invention.
Fig. 2 is a schematic structural view of a double-edge-protecting full-open lid (a pull-tab) provided by the invention.
Fig. 3 is a schematic cross-sectional view of a double-edge-protecting full-open cover provided by the present invention.
Fig. 4 is another schematic cross-sectional view of the double-edge-protecting full-open cover provided by the present invention.
Fig. 5 is a schematic structural diagram of the double-edge-protecting full cover containing the two-dimensional code provided by the invention.
Fig. 6 is a schematic structural view of a double-edge-protecting full-open cover (pull-tab) containing a two-dimensional code provided by the invention.
Fig. 7 is a schematic cross-sectional view of a double-edge-protecting full cover containing a two-dimensional code according to the present invention.
Reference numerals of the above figures:
1. a central panel; 2. a pull ring; 3. a first score; 4. a first arc line; 5. a second arc; 6. a third arc; 7. A fourth arc; 8. a first straight line segment; 9. a second straight line segment; 10. an action point; 11. a third straight line segment; 12. an annular groove; 13. rolling the edge; 14. a reinforcement ring; 15. reinforcing ribs; 16. a two-dimensional code etching section; 17. riveting parts; 18. a finger bending ring; 19. and (5) pulling a ring buckle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
as shown in fig. 1 to 4, the present invention provides a double-edged full cover, comprising: a center panel 1 having a tab 2 riveted to the center panel 1; further comprising: a border area comprising a first border area, a first score 3 and a second border area, the first score 3 being disposed along the perimeter of the central panel 1, the first score 3 defining the central panel 1; the first score 3 separates a first protected area, which is located at the periphery of the central panel, from a second protected area;
the first protected area comprises a first arc 4, a first straight line segment 8, a second arc 5 and a second straight line segment 9; the first arc line 4 and the second arc line 5 are connected through the first straight line segment 8, the first edge protection area and the second edge protection area are connected through the second straight line segment 8, and the first nick 3 is located on the second straight line segment 8.
In particular, said second border area comprises a third arc 6, a fourth arc 7 and a third straight line segment 11; third pitch arc 6 and fourth arc 7 pass through third straightway 11 is connected, third pitch arc 6 is closer than first pitch arc 4 pull ring 2, fourth arc 7 is closer to pull ring 2 than second arc 5, first arc 4 is closer than second arc 5 pull ring 2, third arc 5 is closer than fourth arc 6 pull ring 2, third arc 6 is closer than second arc 5 pull ring 2.
Specifically, the first arc 4 has an opposite curvature to the second arc 5, the third arc 6 has an opposite curvature to the fourth arc 7, and the second arc 5 has an opposite curvature to the third arc 6. The tab has an action point 10 and a force application part with the action point along the length direction, the action point 10 is located on the first notch 3, and the force application part is located on the central panel.
The double-edge-protection full-open cover provided by the invention further comprises a flange edge 13 and an annular groove 12, wherein the flange edge 13 is connected with the annular groove 12 through a straight line, and the annular groove 12 is positioned on the periphery of the edge-protection area. Specifically, the annular groove 12 has two ends extending upward, one end being connected to the bead 13 and the other end being connected to the bead region.
Wherein the high point of the flange and the low point of the annular groove form the height of the cover, and the height of the cover is 6.73-6.99 mm. The central panel is provided with a finger-bending ring 18, the pull ring 2 is provided with a pull ring buckle 19, the annular area of the pull ring buckle 19 is partially overlapped with the annular area of the finger-bending ring 18, and the pull ring buckle 19 is positioned above the finger-bending ring 18.
The central panel further comprises a riveting part 17, a reinforcing ring 14 is arranged on the periphery of the riveting part 17, 2 reinforcing ribs 15 are arranged on the central panel, and the 2 reinforcing ribs 15 are symmetrically arranged on two sides of the pull ring 2.
Example 2:
as shown in fig. 5 to 7, the present invention provides another double-edged full cover, comprising: a center panel 1 having a tab 2 riveted to the center panel 1; further comprising: a border area comprising a first border area, a first score 3 and a second border area, the first score 3 being disposed along the perimeter of the central panel 1, the first score 3 defining the central panel 1; the first score 3 separates a first protected area, which is located at the periphery of the central panel, from a second protected area;
the first protected area comprises a first arc 4, a first straight line segment 8, a second arc 5 and a second straight line segment 9; the first arc line 4 and the second arc line 5 are connected through the first straight line segment 8, the first edge protection area and the second edge protection area are connected through the second straight line segment 8, and the first nick 3 is located on the second straight line segment 8.
In particular, said second border area comprises a third arc 6, a fourth arc 7 and a third straight line segment 11; third pitch arc 6 and fourth arc 7 pass through third straightway 11 is connected, third pitch arc 6 is closer than first pitch arc 4 pull ring 2, fourth arc 7 is closer to pull ring 2 than second arc 5, first arc 4 is closer than second arc 5 pull ring 2, third arc 5 is closer than fourth arc 6 pull ring 2, third arc 6 is closer than second arc 5 pull ring 2.
The center panel provided in this embodiment 2 further includes a two-dimensional code etching portion 16, where a two-dimensional code is etched in the two-dimensional code etching portion. The position of the two-dimensional code is arranged in an obvious place, so that a consumer can conveniently find the two-dimensional code, and the consumer can know multiple links of shipment, circulation and distribution, multi-level shipment and the like of a product by scanning the anti-counterfeiting two-dimensional code, so that the goods fleeing behavior of each supplier can be effectively supervised, and the anti-counterfeiting effect is achieved; and be provided with at the back of two-dimensional code etching portion and convert the prize two-dimensional code, can protect the validity of converting the prize two-dimensional code in the sales process, can effectively prevent to rotate the pull ring at the person of not purchasing commodity maliciously, steal the two-dimensional code and convert the prize.
Those of ordinary skill in the art will understand that: the invention is not to be considered as limited to the specific embodiments thereof, but is to be understood as being modified in all respects, all changes and equivalents that come within the spirit and scope of the invention.
Claims (10)
1. A double-edged full lid comprising: a center panel having a tab riveted thereto; it is characterized by also comprising: a border area comprising a first border area, a first score disposed along a perimeter of the central panel, the first score defining a central panel, and a second border area; the first score separates a first bead region and a second bead region, the first bead region being located at a periphery of the central panel;
the first protected area comprises a first arc, a first straight line segment, a second arc and a second straight line segment; the first arc line and the second arc line are connected through the first straight line segment, the first edge protection region and the second edge protection region are connected through the second straight line segment, and the first notch is located on the second straight line segment.
2. The double-edged full cover of claim 1 wherein said second area of edging comprises a third arc, a fourth arc and a third straight segment; the third pitch arc passes through with the fourth arc third straightway is connected, the third pitch arc is closer to than first pitch arc the pull ring, the fourth arc is closer to the pull ring than the second arc, the second arc is closer to than the first arc the pull ring, the third arc is closer to than the fourth arc the pull ring, the third arc is closer to than the second arc the pull ring.
3. The double-edged full cover of claim 2 wherein the first arc has an opposite curvature to the second arc, the third arc has an opposite curvature to the fourth arc, and the second arc has an opposite curvature to the third arc.
4. The double-edged full open lid as set forth in claim 1, wherein said tab has an action point in a longitudinal direction, and a force application portion having an action point, said action point being located on said first score, said force application portion being located on the center panel.
5. The double-edged full cover according to claim 1 further comprising a bead and an annular groove, said bead being linearly connected to said annular groove, said annular groove being located at the periphery of said edge-protected region.
6. The double-edged full cover of claim 5 wherein said annular groove has two upwardly extending ends, one end connected to said beaded edge and the other end connected to said bordered area.
7. The double-skirt full open lid according to claim 5, wherein the high point of said bead and the low point of said annular groove form the height of the lid, said lid having a height of 6.73-6.99 mm.
8. The full-open double-edge-protection cover as claimed in claim 1, wherein a finger ring is disposed on the central panel, a tab buckle is disposed on the tab, an annular region of the tab buckle partially overlaps with an annular region of the finger ring, and the tab buckle is disposed above the finger ring.
9. The double-edge-protecting full-open cover as claimed in claim 1, wherein the central panel further comprises a riveting portion, a reinforcing ring is disposed around the riveting portion, 2 reinforcing ribs are disposed on the central panel, and the 2 reinforcing ribs are symmetrically disposed on two sides of the pull ring.
10. The double edge-protecting full cover according to any one of claims 1 to 9, further comprising a two-dimensional code etching section, wherein the two-dimensional code etching section is etched with a two-dimensional code.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111265157.3A CN113928681A (en) | 2021-10-28 | 2021-10-28 | Double-edge-protection full-open cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111265157.3A CN113928681A (en) | 2021-10-28 | 2021-10-28 | Double-edge-protection full-open cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113928681A true CN113928681A (en) | 2022-01-14 |
Family
ID=79284838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111265157.3A Pending CN113928681A (en) | 2021-10-28 | 2021-10-28 | Double-edge-protection full-open cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113928681A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1035262A (en) * | 1987-09-29 | 1989-09-06 | 威尔顿钢公司 | Container endwall structure |
| CN1039769A (en) * | 1987-01-23 | 1990-02-21 | 威尔顿钢公司 | Container end-closure |
| CN1323272A (en) * | 1998-08-14 | 2001-11-21 | H·J·海因茨公司 | Safe opening can end and method of manufacturing |
| CN101189166A (en) * | 2005-04-19 | 2008-05-28 | 索诺克发展有限公司 | Removable-panel metal end with cut protection |
| CN201530522U (en) * | 2009-08-10 | 2010-07-21 | 苏州斯莱克精密设备股份有限公司 | Pressure resistant type easy-to-open lid |
| CN203306373U (en) * | 2013-05-27 | 2013-11-27 | 东莞市满贯包装有限公司 | Ring-pull can with scratching-preventing function |
| CN203318856U (en) * | 2013-04-07 | 2013-12-04 | 杨海诚 | Easy-to-pull cover |
| CN205801806U (en) * | 2016-06-13 | 2016-12-14 | 广东英联包装股份有限公司 | A kind of full-open type easy-open end positioning unlatching |
| CN205819806U (en) * | 2016-07-15 | 2016-12-21 | 张皓涵 | A kind of scratch resistant pop can |
| CN205916478U (en) * | 2016-04-19 | 2017-02-01 | 信码互通（北京）科技有限公司 | Wide open type easy -open cover with identification code layer |
| CN110015485A (en) * | 2018-01-10 | 2019-07-16 | 鲍尔公司 | End cap with big opening annular pulling-on piece |
| CN212125876U (en) * | 2019-06-19 | 2020-12-11 | 重庆友鹏包装制品有限公司 | 502# iron/aluminum reverse-protection safety edge full-open easy-open cover |
| CN113329944A (en) * | 2019-02-25 | 2021-08-31 | 大和制罐株式会社 | Can lid |
-
2021
- 2021-10-28 CN CN202111265157.3A patent/CN113928681A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1039769A (en) * | 1987-01-23 | 1990-02-21 | 威尔顿钢公司 | Container end-closure |
| CN1035262A (en) * | 1987-09-29 | 1989-09-06 | 威尔顿钢公司 | Container endwall structure |
| CN1323272A (en) * | 1998-08-14 | 2001-11-21 | H·J·海因茨公司 | Safe opening can end and method of manufacturing |
| CN101189166A (en) * | 2005-04-19 | 2008-05-28 | 索诺克发展有限公司 | Removable-panel metal end with cut protection |
| CN201530522U (en) * | 2009-08-10 | 2010-07-21 | 苏州斯莱克精密设备股份有限公司 | Pressure resistant type easy-to-open lid |
| CN203318856U (en) * | 2013-04-07 | 2013-12-04 | 杨海诚 | Easy-to-pull cover |
| CN203306373U (en) * | 2013-05-27 | 2013-11-27 | 东莞市满贯包装有限公司 | Ring-pull can with scratching-preventing function |
| CN205916478U (en) * | 2016-04-19 | 2017-02-01 | 信码互通（北京）科技有限公司 | Wide open type easy -open cover with identification code layer |
| CN205801806U (en) * | 2016-06-13 | 2016-12-14 | 广东英联包装股份有限公司 | A kind of full-open type easy-open end positioning unlatching |
| CN205819806U (en) * | 2016-07-15 | 2016-12-21 | 张皓涵 | A kind of scratch resistant pop can |
| CN110015485A (en) * | 2018-01-10 | 2019-07-16 | 鲍尔公司 | End cap with big opening annular pulling-on piece |
| CN113329944A (en) * | 2019-02-25 | 2021-08-31 | 大和制罐株式会社 | Can lid |
| CN212125876U (en) * | 2019-06-19 | 2020-12-11 | 重庆友鹏包装制品有限公司 | 502# iron/aluminum reverse-protection safety edge full-open easy-open cover |
Non-Patent Citations (2)
| Title |
|---|
| 崔忠付: "《中国物流与采购信息化优秀案例集》", 31 July 2018 * |
| 漳州市食品科技应用研究院: "《食品金属包装质量检验》", 31 December 2019 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8783495B2 (en) | Can end | |
| US7891519B2 (en) | Easy open can lid | |
| US6024239A (en) | End closure with improved openability | |
| US8998015B2 (en) | Can end | |
| EP2861502B1 (en) | Reliable opening beverage can end | |
| US10486852B2 (en) | Can end produced from downgauged blank | |
| CA2900636C (en) | Easy access opening tab for a container end closure | |
| EP1755967A1 (en) | Can end with tab for improved accessibility | |
| US20040099664A1 (en) | Modified score for smooth openability | |
| JP2003509306A (en) | Easy opening secure container end | |
| GB2153330A (en) | Improved can end with retained tear strip | |
| WO2008034801A1 (en) | Easy open can end with high pressure venting | |
| GB1587321A (en) | Ecological easy-open can end | |
| US8047754B2 (en) | Tooling for making easy open can end | |
| CN113928681A (en) | Double-edge-protection full-open cover | |
| US20080067174A1 (en) | Easy open can end with high pressure venting | |
| US3403811A (en) | Container opening means and pull tab therefor or the like | |
| US4767020A (en) | Metal tear-open lid for cans | |
| JP2799795B2 (en) | Easy opening can lid | |
| CN112469632B (en) | Can lid | |
| TW202031559A (en) | Can lid | |
| US7784323B2 (en) | Method of making an easy open can end with high pressure venting | |
| US20080069667A1 (en) | Tool for making easy open can end with high pressure venting | |
| EP4028182B1 (en) | Method for producing an easy-open lid for a container, and an easy-open lid for a container |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220114 |
|
| RJ01 | Rejection of invention patent application after publication |