CN102285479B - Plastic zip-top can for foods - Google Patents
Plastic zip-top can for foods Download PDFInfo
- Publication number
- CN102285479B CN102285479B CN201110236191.8A CN201110236191A CN102285479B CN 102285479 B CN102285479 B CN 102285479B CN 201110236191 A CN201110236191 A CN 201110236191A CN 102285479 B CN102285479 B CN 102285479B
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- Prior art keywords
- plastic
- zip
- top lid
- easy
- shaped
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- 239000004033 plastic Substances 0.000 title claims abstract description 127
- 229920003023 plastic Polymers 0.000 title claims abstract description 127
- 235000013305 food Nutrition 0.000 title claims abstract description 25
- 238000007373 indentation Methods 0.000 claims abstract description 31
- 239000002131 composite material Substances 0.000 claims abstract description 4
- 239000005030 aluminium foil Substances 0.000 claims description 29
- 239000010410 layer Substances 0.000 claims description 8
- 239000002985 plastic film Substances 0.000 claims description 5
- 229920006255 plastic film Polymers 0.000 claims description 5
- 230000001154 acute effect Effects 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000010354 integration Effects 0.000 claims description 4
- 239000011229 interlayer Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000012790 adhesive layer Substances 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 abstract description 9
- 239000011888 foil Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000012256 powdered iron Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 150000004965 peroxy acids Chemical class 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 235000021404 traditional food Nutrition 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Closures For Containers (AREA)
Abstract
The invention discloses a plastic zip-top can for foods, which comprises a plastic easy-open lid and a plastic can body, wherein the plastic can body can be in tight snap-fit with the plastic easy-open lid; the opening part of the plastic can body is provided with an inward plane flanging for bonding with an aluminum foil, and the aluminum foil is a composite coating material; the upper surface of the plastic easy-open lid is provided with a plastic pull ring, the longitudinal section of the plastic pull ring is basically step-shaped, and the bottom of the plastic pull ring and a tearing part of the plastic easy-open lid are manufactured integrally; and the lower surface of the plastic easy-open lid is provided with an easily-tore ring indentation groove, and a part (corresponding to a position at an end part of the bottom edge of the step-shaped plastic pull ring) at the inside of the indentation groove is prepared into a blade part which can puncture the aluminum foil easily. By using the easy-pull structure disclosed by the invention, the air impermeability of secondary seal is ensured, thereby extending the quality guarantee period of foods, and a user can open the zip-top can conveniently; meanwhile, no powdered iron and aluminum scraps and the like produced by the traditional metal zip-top can fall in the food in the can, no finger is hurt, and the pull ring does not fracture in advance, thereby improving the processing efficiency and reducing the manufacturing cost.
Description
Technical field
The present invention relates to a kind of food pop-top.
Background technology
A kind of Food can easy-to-open of now using on the market, tank body is made of plastics, and cover of pop can is generally aluminum, has a draw ring to be close to capping on capping.This traditional food pop-top is stamped following shortcoming: the aluminium lid sheet edge that (1) is pulled open is very sharp, and user understands scratch finger accidentally; (2) aluminum alloy materials of cover needs a minute secondary processing riveted joint from the aluminum alloy materials of the draw ring covering because material is different, cannot be integrally formed, increased manufacturing cost; (3) periphery of cover is directly fixed with crimping mode snapping with capsuling machine and tank body, only has primary seal, is not easy to guarantee the high consistency of products air tightness and produces the substandard products that shorten the shelf-life; (4) cannot use microwave-oven-heating; (5) crown cap food pop-top can not put the food of peracid or alkalescence, because get rusty easily.
Summary of the invention
The object of the invention is to provide a kind of easy opening structure of food plastic pop can, both facilitated cover is torn safely, can be placed in micro-wave oven and heat again.
A kind of food plastic pop can of the present invention, comprise easy open cover and can with its tank body closely fastening, it is characterized in that:
Described easy open cover and tank body are all made of plastics, the inwall of plastic zip-top lid is shaped with flange collar, and plastic container oral area outer wall is shaped with corresponding flange collar, and under sealing pressure, the flange collar of plastic zip-top lid is stuck under the flange collar of plastic container oral area, both are closely fastened, form primary seal.Because easy open cover and tank body are all made of plastics, when need to heat in it food time, can directly put into microwave-oven-heating.
Described plastic container oral area is shaped with inside for the plane flange bonding with aluminium foil, and aluminium foil is bonded in the plane flange of plastic container oral area, forms secondary seal.
Described aluminium foil is composite material, and interlayer is aluminium foil, and respectively there are a plastic film layers or adhesive layer in its top and bottom, makes it convenient bonding with the lower surface of plastic zip-top lid and the plane flange of plastic container oral area.
The upper surface of described plastic zip-top lid is shaped with plastic pulling ring, and this plastic pulling ring is anterior to be made into integration with the tear-off portion of plastic zip-top lid; Or this plastic pulling ring vertical section is substantially step-like, its bottom is made into integration with the tear-off portion of plastic zip-top lid.Like this, the plastic pulling ring on its top is convenient to the application of force, and lower tip is easily torn the annular indentation groove of tear-off portion downwards under leverage.
The lower surface of described plastic zip-top lid is shaped with the annular indentation groove that is easy to tear, and wherein the blade that is easy to puncture aluminium foil is made in the inner side of the impression groove of the corresponding position that is positioned at step-like end, plastic pulling ring base.Even if this is to tear tear-off portion for the annular indentation groove along plastic zip-top lid, be still difficult for tearing the problem of the aluminium foil of its below, because clad aluminum foil layer material has stronger splitting resistance, unless started to tear from indentation, there.So the clad aluminum foil packaging bag of existing various splendid attire foods, always at an one side, having one tears breach in advance.The present invention is when corresponding when being positioned at step-like end, plastic pulling ring base and being subject to lever force to tear the impression groove at this place downwards, blade punctures aluminium foil immediately and forms and tears in advance breach, aluminium foil just can be torn and tears along annular indentation groove with the tear-off portion of easy open cover like this, both guaranteed the air-tightness of secondary seal, the shelf-life of food and extend, person easy to use opens pop can again.
Described annular indentation groove and being easy to punctures the injection mould that the blade of aluminium foil covers by plastic zip-top and forms, angle between the lower surface of the bottom land of annular indentation groove and plastic zip-top lid is obtuse angle, and the angle between the bottom land of the blade in annular indentation groove and the lower surface of plastic zip-top lid is right angle or acute angle.Can injection mo(u)lding due to plastic zip-top lid, annular indentation groove and blade thereof on lid can be one-body molded by mould, without making in addition blade, improve work efficiency.Blade is made right angle or acute angle, can make this section of inside groove that is positioned at annular indentation groove along directly becoming sharp blade.
Described blade has 1-7, is distributed in plastic zip-top and covers in the scope of surface near the corresponding formed annular indentation groove circle of the impression straight trough hat section of step-like plastic pulling ring root.Along annular indentation groove a plurality of blades spaced apart, there is better tearing effects, because aluminium foil is punctured many places simultaneously, can make aluminium foil tear in the lump along the tear-off portion of annular indentation groove direction and easy open cover, there is guiding and tear effect.
The above-mentioned plastic zip-top cover plastic protection cover fastening with plastic container is coated, and the inwall of plastic protection cover bottom is shaped with flange collar, and under pressure, the flange collar of plastic protection cover is stuck in the periphery of plastic zip-top lid bottom, and both are closely fastened.Can in storage and transport process, prevent that like this plastic zip-top from covering surface contaminated, in order to avoid dirt is fallen in tank while uncapping.
The easy pull-up structure of this food plastic pop can of the present invention, both guaranteed the air-tightness of secondary seal, have block oxygen and the aqueous vapor of height to see through effect, shelf-life that can food and extend, person easy to use opens pop can again, and do not have a possibility that the break flours such as iron that traditional metal easy open cover produces, aluminium fall into food in tank, can not injure finger, draw ring can not rupture in advance, and work efficiency improves, manufacturing cost reduces, and has overcome the existing various defects of metal top pop cover.
Accompanying drawing explanation:
Below in conjunction with accompanying drawing, in the mode of embodiment, architectural feature of the present invention is described as follows:
Fig. 1 is food pop-top structural representation of the present invention;
Fig. 2 is A place partial enlarged drawing in Fig. 1;
Fig. 3 is B place partial enlarged drawing in Fig. 1;
Fig. 4 is plastic zip-top lid birds-eye view of the present invention;
Fig. 5 looks up enlarged diagram for showing the part of a plurality of blades of Fig. 4;
Fig. 6 is the present invention's constitution diagram that lever action produces while uncapping;
Fig. 7 is C place partial enlarged drawing in Fig. 6;
Fig. 8 is the present invention's constitution diagram that the tear-off portion of aluminium foil and easy open cover is torn in the lump while uncapping.
Description of symbols in figure: plastic container 1, plastic container oral area outer wall flange collar 11, plastic container oral area plane flange 12, protective cover 2, plastic zip-top lid 3, plastic pulling ring 31, blade 32, impression straight trough 33, plastic zip-top lid inwall flange collar 34, annular indentation groove 35, easy open cover tear-off portion 36, plastic pulling ring root 37, the crown area 38 of circle, the plastic film layers 4 of aluminium foil, aluminium foil 5.
The specific embodiment:
With reference to Fig. 1-Fig. 3, food pop-top structure of the present invention comprise easy open cover and can with its tank body closely fastening, easy open cover and tank body are made by food grade plastic, the inwall of plastic zip-top lid 3 is shaped with flange collar 34, plastic container 1 oral area outer wall is shaped with corresponding flange collar 11, during capping, forces the flange collar 34 of plastic zip-top lid to be stuck in the flange collar 11 times of plastic container oral area under the pressure of capper, both are closely fastened, form the primary seal of tank body.Aluminium foil 5 is composite material, interlayer is aluminium foil, respectively there are a plastic film layers 4 or thermosol layer in its top and bottom, this plastic sheeting is chosen and easy open cover and tank body homogeneous material, can when capping, adopt Electromagnetic Heating like this, make the lower surface of plastic film layers 4 or thermosol layer and plastic zip-top lid and plastic container oral area inside 12 weldings of plane flange, this method for sealing speed is fast, airtight quality is good.The plastic zip-top lid 3 fastening with plastic container 1 can be covered by plastic protection cover 2, the inwall of plastic protection cover 2 bottoms is shaped with flange collar, the periphery that the flange collar of plastic protection cover is stuck in plastic zip-top lid bottom under pressure closely fastens both, contaminated in order to preventing that in storage and transport process plastic zip-top from covering surface, while avoiding uncapping, dirt is fallen in tank, and the fitting of soupspoon or suction pipe and so on can also be placed in the space between protective cover and easy open cover.
The upper surface integrated through injection molding of plastic zip-top lid 3 is shaped with plastic pulling ring 31, this plastic pulling ring vertical section is substantially step-like, the upper surface of its top and easy open cover has interval, be easy to point the application of force, tear-off portion 36 one of its bottom and plastic zip-top lid, its root 37 makes compared with thick and not yielding, when the finger cocked plastic pulling ring of application of force top, when leverage, root 37 plays point action, forces end, plastic pulling ring base to press down.
For the ease of conveniently tearing the tear-off portion of easy open cover, traditional easy open cover conventionally thereon surface be shaped with annular indentation groove.Annular indentation groove 35 of the present invention is formed on the lower surface of plastic zip-top lid, and the area in impression groove 35 is tear-off portion.The blade 32 that is easy to puncture aluminium foil is made in the inner side of annular indentation groove that can be positioned at the position of step-like plastic pulling ring 31 ends, base in correspondence like this.Described annular indentation groove and being easy to punctures the injection mould that the blade of aluminium foil covers by plastic zip-top and forms, angle between the lower surface of the bottom land of annular indentation groove and plastic zip-top lid is obtuse angle, angle between the lower surface of the bottom land of the blade in annular indentation groove and plastic zip-top lid is right angle or acute angle, can make this section of inside groove that is positioned at annular indentation groove along directly becoming sharp blade.Embodiment is to blade 32 by right-angle design, and its shape can be with reference to Fig. 4, Fig. 5.
For aluminium foil after puncturing aluminium foil can be torn along annular indentation groove direction, as another embodiment, position in plastic pulling ring 31 both sides, end, base makes 5 blades, is distributed in plastic zip-top and covers in the scope of surface near the corresponding formed annular indentation groove circle hat section of impression straight trough 33 of step-like plastic pulling ring root.When plastic pulling ring top is when cocked, by the effect of impression straight trough 33, the crown area 38 of this piece circle is first by lower folding, and 5 blades of its periphery puncture 5 place's aluminium foils in the lump, can make aluminium foil tear in the lump along the tear-off portion of annular indentation groove direction and easy open cover.
While opening cover, first with finger, plastic pulling ring 31 is upwards pulled, at this moment root 37 plays the point action of lever, force end, plastic pulling ring base to press down together with impression straight trough 33 outside areas, blade 32 punctures aluminium foil 5, and this process as shown in Figure 6, Figure 7, is then upwards drawn plastic pulling ring 31, aluminium foil 5 is completely torn and is pulled away from the lump with the tear-off portion 3 of easy open cover, and this process as shown in Figure 8.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (5)
1. a food plastic pop can, comprise plastic zip-top lid and can with its plastic container closely fastening, it is characterized in that:
The inwall of described plastic zip-top lid is shaped with flange collar, and plastic container oral area outer wall is shaped with corresponding flange collar, and under sealing pressure, the flange collar of plastic zip-top lid is stuck under the flange collar of plastic container oral area, and both are closely fastened;
Described plastic container oral area is shaped with inside for the plane flange bonding with aluminium foil;
Described aluminium foil is composite material, and interlayer is aluminium foil, and respectively there are a plastic film layers or adhesive layer in its top and bottom, makes it convenient bonding with the lower surface of plastic zip-top lid and the plane flange of plastic container oral area;
The upper surface of described plastic zip-top lid is shaped with plastic pulling ring, and this plastic pulling ring is anterior to be made into integration with the tear-off portion of plastic zip-top lid;
The lower surface of described plastic zip-top lid is shaped with the annular indentation groove that is easy to tear, wherein the blade that is easy to puncture aluminium foil is made in the inner side of the impression groove of the corresponding position that is positioned at step-like end, plastic pulling ring base, this blade is distributed in plastic zip-top and covers in the scope of surface near the corresponding formed annular indentation groove circle of the impression straight trough hat section of step-like plastic pulling ring root, angle between the lower surface of the bottom land of described annular indentation groove and plastic zip-top lid is obtuse angle, angle between the lower surface of the bottom land of the blade in annular indentation groove and plastic zip-top lid is right angle or acute angle.
2. food plastic pop can according to claim 1, is characterized in that described annular indentation groove and is easy to puncture the injection mould that the blade of aluminium foil covers by plastic zip-top forming.
3. according to food plastic pop can described in claim 1 or 2, it is characterized in that described blade has 5-7.
4. food plastic pop can according to claim 1, is characterized in that described plastic pulling ring vertical section is substantially step-like, and its bottom is made into integration with the tear-off portion of plastic zip-top lid.
5. according to food plastic pop can described in claim 1 or 2, it is characterized in that the plastic zip-top cover plastic protection cover fastening with plastic container is coated, the inwall of plastic protection cover bottom is shaped with flange collar, under pressure, the flange collar of plastic protection cover is stuck in the periphery of plastic zip-top lid bottom, and both are closely fastened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110236191.8A CN102285479B (en) | 2011-08-17 | 2011-08-17 | Plastic zip-top can for foods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110236191.8A CN102285479B (en) | 2011-08-17 | 2011-08-17 | Plastic zip-top can for foods |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102285479A CN102285479A (en) | 2011-12-21 |
| CN102285479B true CN102285479B (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110236191.8A Active CN102285479B (en) | 2011-08-17 | 2011-08-17 | Plastic zip-top can for foods |
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| Country | Link |
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| CN (1) | CN102285479B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3280649B1 (en) * | 2015-04-06 | 2020-03-18 | AptarGroup, Inc. | Closure for a container, closure components, and method of use thereof |
| FR3046206B1 (en) * | 2015-12-23 | 2018-01-12 | Sartorius Stedim Aseptics | METHOD FOR MANUFACTURING A SEALED CONTAINER |
| CN107161469A (en) * | 2017-07-13 | 2017-09-15 | 谷新友 | A new type of can |
| US20190060977A1 (en) * | 2017-08-23 | 2019-02-28 | Stolle Machinery Company, Llc | Can end with a coined rivet, tooling assembly therefor and a method of forming |
| CN109592176A (en) * | 2017-09-30 | 2019-04-09 | 盛宇Eoe科技股份有限公司 | The easy-to-draw canister assembly for having anti-injured function |
| CN108177295B (en) * | 2017-12-28 | 2020-04-21 | 台州市祥珑食品容器科技股份有限公司 | Method for manufacturing container cover |
| CN109051184B (en) * | 2018-10-18 | 2020-11-20 | 湖州金洁实业有限公司 | Easily tear lid with resistant aluminium foil of cooking |
| CN109018600A (en) * | 2018-10-18 | 2018-12-18 | 湖州金洁实业有限公司 | A kind of high temperature resistant aluminium foil Easy tearing lid |
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| CN2606064Y (en) * | 2003-06-25 | 2004-03-10 | 李从鲁 | Wine bottle packaging boxes and barrels with anti-counterfeiting functions |
| GB2404916A (en) * | 2003-08-11 | 2005-02-16 | Spreckelsen Mcgeough Ltd | Opening devices for foil closures |
| EP1080020B1 (en) * | 1998-05-26 | 2005-08-31 | Spreckelsen McGeough Limited | Thin-walled plastics bottle, closure and bottling process |
| CN202272268U (en) * | 2011-08-17 | 2012-06-13 | 浙江祥珑科技有限公司 | A plastic food ring-pull can |
-
2011
- 2011-08-17 CN CN201110236191.8A patent/CN102285479B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1080020B1 (en) * | 1998-05-26 | 2005-08-31 | Spreckelsen McGeough Limited | Thin-walled plastics bottle, closure and bottling process |
| CN2606064Y (en) * | 2003-06-25 | 2004-03-10 | 李从鲁 | Wine bottle packaging boxes and barrels with anti-counterfeiting functions |
| GB2404916A (en) * | 2003-08-11 | 2005-02-16 | Spreckelsen Mcgeough Ltd | Opening devices for foil closures |
| CN202272268U (en) * | 2011-08-17 | 2012-06-13 | 浙江祥珑科技有限公司 | A plastic food ring-pull can |
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| Publication number | Publication date |
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| CN102285479A (en) | 2011-12-21 |
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Effective date of registration: 20160406 Address after: 317000 canned food industry zone, Huangyan District, Zhejiang, Taizhou Patentee after: SRLON PACKAGING TECHNOLOGY CO., LTD. Address before: 318000 Beiyang industry, Taizhou, Zhejiang Patentee before: Zhejiang Xianglong Technology Co., Ltd. |
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| CP03 | Change of name, title or address |
Address after: 318020 canned food industry zone, Huangyan District, Zhejiang, Taizhou Patentee after: Taizhou Xianglong food container Polytron Technologies Inc Address before: 317000 canned food industry zone, Huangyan District, Zhejiang, Taizhou Patentee before: SRLON PACKAGING TECHNOLOGY CO., LTD. |
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Denomination of invention: Plastic zip-top can for foods Effective date of registration: 20200617 Granted publication date: 20140402 Pledgee: Agricultural Bank of China Limited Taizhou Huangyan sub branch Pledgor: TAIZHOU XIANGLONG FOOD CONTAINER TECHNOLOGY Co.,Ltd. Registration number: Y2020330000352 |
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