CN102285479A - Plastic zip-top can for foods - Google Patents
Plastic zip-top can for foods Download PDFInfo
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- CN102285479A CN102285479A CN2011102361918A CN201110236191A CN102285479A CN 102285479 A CN102285479 A CN 102285479A CN 2011102361918 A CN2011102361918 A CN 2011102361918A CN 201110236191 A CN201110236191 A CN 201110236191A CN 102285479 A CN102285479 A CN 102285479A
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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 can.
Background technology
Employed on the market now a kind of Food can easy-to-open, tank body is made of plastics, and cover of pop can is generally aluminum, has a draw ring to be close to capping on the capping.This traditional Food can easy-to-open has following shortcoming: the aluminium lid sheet edge that (1) is drawn back is very sharp, and the user understands the scratch finger accidentally; (2) aluminum alloy materials of cover needs the riveted joint of branch secondary processing with the aluminum alloy materials of the draw ring that covers because of material is different, can't be integrally formed, increased manufacturing cost; (3) periphery of cover is directly fixed with crimping mode snapping with capsuling machine and tank body, has only primary seal, is not easy to guarantee the height conformability of products air tightness and produces the substandard products that shorten the shelf-life; (4) can't heat with micro-wave oven; (5) crown cap food pop can not put the food of peracid or alkalescence, because get rusty easily.
Summary of the invention
The object of the invention provides a kind of easy opening structure of food plastic pop can, has both made things convenient for cover safety is torn, and can be placed in the micro-wave oven again and heat.
A kind of food plastic pop can of the present invention, comprise easy-open lid and can with its tank body that closely fastens, it is characterized in that:
Described easy-open lid and tank body are made by plastics, the inwall of plastics easy-open lid is shaped on protruding circle, and plastic container oral area outer wall is shaped on corresponding protruding circle, and the protruding circle of plastics easy-open lid is stuck under the protruding circle of plastic container oral area under the pressure sealing, both are closely fastened, form primary seal.Because easy-open lid and tank body are made by plastics, during food in needs heat it, can directly put into the micro-wave oven heating.
Described plastic container oral area is shaped on the inside plane flange bonding with aluminium foil that be used for, and aluminium foil is bonded in the plane flange of plastic container oral area, forms secondary seal.
Described aluminium foil is a composite material, and interlayer is an aluminium foil, and respectively there are a plastic film layers or adhesive layer in its top and bottom, makes the plane flange of the lower surface of its convenient and plastics easy-open lid and plastic container oral area bonding.
The upper surface of described plastics easy-open lid is shaped on the plastics draw ring, and the portion of tearing of this plastics tab front part and plastics easy-open lid is made into integration; Or this plastics draw ring vertical section is basically step-like, and its bottom is made into integration with the portion of tearing of plastics easy-open lid.Like this, the plastics draw ring on its top is convenient to the application of force, and lower tip is torn the annular indentation groove of the portion of tearing easily downwards under leverage.
The lower surface of described plastics easy-open lid is shaped on the annular indentation groove that is easy to tear, and the blade that is easy to puncture aluminium foil is made in the inboard of the impression groove of the wherein corresponding position that is positioned at step-like end, plastics draw ring base.Even this is to tear the portion of tearing at the annular indentation groove along the plastics easy-open lid, still be difficult for tearing the problem of the aluminium foil of its below, because the clad aluminum foil layer material has stronger splitting resistance, unless begin to tear from indentation, there.So the clad aluminum foil packaging bag of existing various splendid attire foods, always having one at an one side tears breach in advance.The present invention is when corresponding when being positioned at step-like end, plastics draw ring base and being subjected to lever force to tear the impression groove at this place downwards, blade punctures aluminium foil immediately and forms and tears breach in advance, aluminium foil just can be torn and tears along the annular indentation groove with the portion of tearing of easy-open lid like this, both guaranteed the air-tightness of secondary seal, the shelf-life of food and extend, make things convenient for the user to open pop can again.
The blade that described annular indentation groove and being easy to punctures aluminium foil is formed by the injection mould of plastics easy-open lid, angle between the lower surface of the bottom land of annular indentation groove and plastics easy-open lid is the obtuse angle, and the angle between the lower surface of the bottom land of the blade in the annular indentation groove and plastics easy-open lid is right angle or acute angle.Because the plastics easy-open lid can injection mo(u)lding, annular indentation groove and blade thereof on the lid can be one-body molded by mould, need not to make in addition blade, improve work efficiency.Blade is made right angle or acute angle, can make this section inside groove that is positioned at the annular indentation groove along directly becoming sharp blade.
Described blade has 1-7, is distributed in the scope of plastics easy-open lid upper surface near the corresponding formed annular indentation groove circle of the impression straight trough of step-like plastics draw ring root hat section.Have the better effect of tearing along annular indentation groove a plurality of blades spaced apart,, aluminium foil is torn in the lump along the portion of tearing of annular indentation groove direction and easy-open lid, have the effect of tearing of leading because aluminium foil is punctured many places simultaneously.
The above-mentioned plastics easy-open lid that fastens with plastic container is coated by the plastics protective cover, and the inwall of plastics protective cover bottom is shaped on protruding circle, and the protruding circle of plastics protective cover is stuck in the periphery of plastics easy-open lid bottom under pressure, and both are closely fastened.Can prevent in storage and transport process that like this plastics easy-open lid upper surface is contaminated, in order to avoid dirt is fallen in the jar when uncapping.
The easy pull-up structure of this food plastic pop can of the present invention, both guaranteed the air-tightness of secondary seal, there are block oxygen and the aqueous vapor of height to see through effect, shelf-life that can food and extend, make things convenient for the user to open pop can again, and do not have a possibility that break flours such as iron that the conventional metals easy-open lid produces, aluminium fall into jar interior food, can not injure finger, draw ring can not rupture in advance, and work efficiency improves, manufacturing cost reduces, and has overcome the existing various defectives of metal easy-open lid.
Description of drawings:
Below in conjunction with accompanying drawing,, architectural feature of the present invention is described as follows in the mode of embodiment:
Fig. 1 is a food pop can structural representation of the present invention;
Fig. 2 is an A place partial enlarged drawing among Fig. 1;
Fig. 3 is a B place partial enlarged drawing among Fig. 1;
Fig. 4 is a plastics easy-open lid birds-eye view of the present invention;
Fig. 5 looks up enlarged diagram for the part of a plurality of blades of displayed map 4;
The constitution diagram that lever action produced when Fig. 6 uncapped for the present invention;
Fig. 7 is a C place partial enlarged drawing among Fig. 6;
The constitution diagram that the portion of tearing of aluminium foil and easy-open lid tore in the lump when Fig. 8 uncapped for the present invention.
Description of symbols among the figure: plastic container 1, the protruding circle 11 of plastic container oral area outer wall, plastic container oral area plane flange 12, protective cover 2, plastics easy-open lid 3, plastics draw ring 31, blade 32, impression straight trough 33, the protruding circle 34 of plastics easy-open lid inwall, annular indentation groove 35, easy-open lid is torn portion 36, plastics draw 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 can structure of the present invention comprise easy-open lid and can with its tank body that closely fastens, easy-open lid and tank body are made by food grade plastic, the inwall of plastics easy-open lid 3 is shaped on protruding circle 34, plastic container 1 oral area outer wall is shaped on corresponding protruding circle 11, during capping, forces the protruding circle 34 of plastics easy-open lid to be stuck in the protruding circle 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 a composite material, interlayer is an 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 lid and tank body homogeneous material, can when capping, adopt the electromagnetism heating like this, make the lower surface of plastic film layers 4 or thermosol layer and plastics easy-open lid and plastic container oral area inside 12 weldings of plane flange, this method for sealing speed is fast, airtight quality is good.The plastics easy-open lid 3 that fastens with plastic container 1 can be covered by plastics protective cover 2, the inwall of plastics protective cover 2 bottoms is shaped on protruding circle, the periphery that the protruding circle of plastics protective cover is stuck in plastics easy-open lid bottom under pressure closely fastens both, in order to preventing that in storage and transport process plastics easy-open lid upper surface is contaminated, dirt is fallen in the jar when avoiding uncapping, and the fitting of soupspoon or suction pipe and so on can also be placed in the space between protective cover and the easy-open lid.
The upper surface integrated through injection molding of plastics easy-open lid 3 is shaped on plastics draw ring 31, this plastics draw ring vertical section is basically step-like, the upper surface of its top and easy-open lid has at interval, be easy to point the application of force, the portion of tearing 36 one of its bottom and plastics easy-open lid, its root 37 makes thicker and not yielding, when the cocked plastics draw ring of finger application of force top, root 37 plays point action when leverage, forces end, plastics draw ring base to press down.
For the ease of conveniently tearing the portion of tearing of easy-open lid, traditional easy-open lid usually thereon the surface be shaped on the annular indentation groove.Annular indentation groove 35 of the present invention is formed on the lower surface of plastics easy-open lid, and the area in the impression groove 35 is the portion of tearing.Can make the blade 32 that is easy to puncture aluminium foil in the inboard of annular indentation groove that correspondence is positioned at the position of step-like end, plastics draw ring 31 base like this.The blade that described annular indentation groove and being easy to punctures aluminium foil is formed by the injection mould of plastics easy-open lid, angle between the lower surface of the bottom land of annular indentation groove and plastics easy-open lid is the obtuse angle, angle between the lower surface of the bottom land of the blade in the annular indentation groove and plastics easy-open lid is right angle or acute angle, can make this section inside groove that is positioned at the annular indentation groove along directly becoming sharp blade.By right-angle design, its shape can be with reference to Fig. 4, Fig. 5 to blade 32 for embodiment.
For aluminium foil after puncturing aluminium foil can be torn along annular indentation groove direction, as another embodiment, position in both sides, end, plastics draw ring 31 base makes 5 blades, is distributed in the scope of plastics easy-open lid upper surface near the impression straight trough 33 corresponding formed annular indentation groove circle hat sections of step-like plastics draw ring root.When plastics draw ring top when cocked, by the effect of impression straight trough 33, the crown area 38 of this piece circle at first by under roll over, 5 blades of its periphery puncture 5 place's aluminium foils in the lump, and aluminium foil is torn in the lump along the portion of tearing of annular indentation groove direction and easy-open lid.
When opening cover, with finger plastics draw ring 31 is upwards pulled earlier, at this moment root 37 plays the point action of lever, force end, plastics draw ring base to press down together with impression straight trough 33 outside areas, blade 32 punctures aluminium foil 5, and this process such as Fig. 6, shown in Figure 7 upwards draw plastics draw ring 31 then, aluminium foil 5 is torn fully in the lump with the portion of tearing 3 of easy-open lid and is pulled away from, and this process as shown in Figure 8.
Specific embodiment described herein only is that spirit of the present invention is made casehistory.The technical personnel of the technical field of the invention can be made various modifications or replenishes 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. food plastic pop can, comprise the plastics easy-open lid and can with its plastic container that closely fastens, it is characterized in that:
The inwall of described plastics easy-open lid is shaped on protruding circle, and plastic container oral area outer wall is shaped on corresponding protruding circle, and the protruding circle of plastics easy-open lid is stuck under the protruding circle of plastic container oral area under the pressure sealing, and both are closely fastened;
Described plastic container oral area is shaped on the inside plane flange bonding with aluminium foil that be used for;
Described aluminium foil is a composite material, and interlayer is an aluminium foil, and respectively there are a plastic film layers or adhesive layer in its top and bottom, makes the plane flange of the lower surface of its convenient and plastics easy-open lid and plastic container oral area bonding;
The upper surface of described plastics easy-open lid is shaped on the plastics draw ring, and the portion of tearing of this plastics tab front part and plastics easy-open lid is made into integration;
The lower surface of described plastics easy-open lid is shaped on the annular indentation groove that is easy to tear, and the blade that is easy to puncture aluminium foil is made in the inboard of the impression groove of the wherein corresponding position that is positioned at step-like end, plastics draw ring base.
2. according to the described food plastic pop can of claim 1, it is characterized in that blade that described annular indentation groove and being easy to punctures aluminium foil is formed by the injection mould of plastics easy-open lid, angle between the lower surface of the bottom land of annular indentation groove and plastics easy-open lid is the obtuse angle, and the angle between the lower surface of the bottom land of the blade in the annular indentation groove and plastics easy-open lid is right angle or acute angle.
3. according to claim 1 or 2 described food plastic pop cans, it is characterized in that described blade has 1-7, be distributed in the scope of plastics easy-open lid upper surface near the corresponding formed annular indentation groove circle of the impression straight trough of step-like plastics draw ring root hat section.
4. according to the described food plastic pop can of claim 1, it is characterized in that described plastics draw ring vertical section is basically step-like, its bottom is made into integration with the portion of tearing of plastics easy-open lid
5. according to claim 1 or 2 described food plastic pop cans, it is characterized in that the plastics easy-open lid that fastens with plastic container is coated by the plastics protective cover, the inwall of plastics protective cover bottom is shaped on protruding circle, the protruding circle of plastics protective cover is stuck in the periphery of plastics easy-open lid bottom under pressure, 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 true CN102285479A (en) | 2011-12-21 |
| CN102285479B 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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| CN (1) | CN102285479B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107161469A (en) * | 2017-07-13 | 2017-09-15 | 谷新友 | A kind of Novel easy-open tin |
| CN107428435A (en) * | 2015-04-06 | 2017-12-01 | 万通集团公司 | Closure member, closure member part and its application method for container |
| CN108177295A (en) * | 2017-12-28 | 2018-06-19 | 台州市祥珑食品容器科技股份有限公司 | Container cover production method |
| CN108430633A (en) * | 2015-12-23 | 2018-08-21 | 赛多利斯斯泰迪姆埃赛普蒂克斯公司 | The method for manufacturing sealing container |
| 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 |
| CN109051184A (en) * | 2018-10-18 | 2018-12-21 | 湖州金洁实业有限公司 | A kind of Easy tearing lid with the aluminium foil of resistance to boiling |
| 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 |
| CN114535447A (en) * | 2017-08-23 | 2022-05-27 | 斯多里机械有限责任公司 | Can lid with stamping riveting part, press and forming method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107428435A (en) * | 2015-04-06 | 2017-12-01 | 万通集团公司 | Closure member, closure member part and its application method for container |
| CN107428435B (en) * | 2015-04-06 | 2020-02-14 | 万通集团公司 | Closure for a container, closure component, and method of use thereof |
| CN108430633A (en) * | 2015-12-23 | 2018-08-21 | 赛多利斯斯泰迪姆埃赛普蒂克斯公司 | The method for manufacturing sealing container |
| CN108430633B (en) * | 2015-12-23 | 2021-06-01 | 赛多利斯斯泰迪姆埃赛普蒂克斯公司 | Method for manufacturing sealed container |
| CN107161469A (en) * | 2017-07-13 | 2017-09-15 | 谷新友 | A kind of Novel easy-open tin |
| CN114535447A (en) * | 2017-08-23 | 2022-05-27 | 斯多里机械有限责任公司 | Can lid with stamping riveting part, press and forming method thereof |
| CN114535447B (en) * | 2017-08-23 | 2024-03-22 | 斯多里机械有限责任公司 | Can lid with stamped rivet and press and forming method thereof |
| 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 |
| CN108177295A (en) * | 2017-12-28 | 2018-06-19 | 台州市祥珑食品容器科技股份有限公司 | Container cover production method |
| 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 |
| CN109051184A (en) * | 2018-10-18 | 2018-12-21 | 湖州金洁实业有限公司 | A kind of Easy tearing lid with the aluminium foil of resistance to boiling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102285479B (en) | 2014-04-02 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
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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| CP03 | Change of name, title or address | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
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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| PE01 | Entry into force of the registration of the contract for pledge of patent right |