CN202687027U - Sealing structure of zip-top can - Google Patents
Sealing structure of zip-top can Download PDFInfo
- Publication number
- CN202687027U CN202687027U CN 201220337740 CN201220337740U CN202687027U CN 202687027 U CN202687027 U CN 202687027U CN 201220337740 CN201220337740 CN 201220337740 CN 201220337740 U CN201220337740 U CN 201220337740U CN 202687027 U CN202687027 U CN 202687027U
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- pop
- opening
- top cover
- cover
- enclosuring structure
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Abstract
The utility model discloses a sealing structure of a zip-top can, which is simple in sealing, low in cost, safe and sanitary, and easy to open and solves the technical problems that in the prior art, an external pulling type pull ring is easy to break and a zip-top can is difficult to open, the sanitation and safety performance of an inversion type pull ring is bad, and the like. The sealing structure comprises a top cover of the zip-top can, wherein the top cover is provided with an opening, the outer side edge of the opening is provided with an annular sealed convex plate, the annular sealed convex plate is provided with a sealing cover plate, the upper end surface of the annular sealed convex plate, which corresponds to the sealing cover plate, is provided with a plastic thin film, and the sealing cover plate is connected to an upper port of the annular sealed convex plate through the plastic thin film in a sealing way.
Description
Technical field
The utility model relates to a kind of pop can, relates in particular to a kind of enclosuring structure of the pop can that seals simple, safety and sanitation, easily opens.
Background technology
Because pop can is to suppress by mould, again by the production line machinery can, it has fast and is convenient, good barrier property, long shelf-life, and convenient transportation safety, cracky is not easy to carry, and easily reclaims, the advantages such as Packing Fee is low, so pop can is widely used in the packing of beer, carbonated beverage, fruit juice etc.The developed countries such as in the world, pop can market mainly is distributed in developed country and area, and is American-European are main area of consumption and the places of production.Be accompanied by in recent years economic fast development, the pop can industry of China also develops rapidly, demand is also soaring year by year, China's beer production occupies the second place of the world more than 1,800 ten thousand tons, wherein surpasses 5% with what pop can was packed, about 1,500,000,000～2,000,000,000, take natural component as main, contain various vitamins, an amount of protein and the fruit drink of amino acid needed by human body and the welcome that multifunctional beverage is subject to rapidly users simultaneously, this class beverage also is the lavish consumer of pop can.Existing pop can class enclosuring structure generally be divided into external pulling type and in turn over two kinds of formulas, the sealing pull ring of the two all is to be close to the pop can top cover, wherein be difficult to during the use of external pulling type pull up with pointing, and draw ring is very easily fracture again, and in turn over formula the most outstanding be hygienic issues, because the shell of pop can is directly to be exposed in the environment, its shell is sticky with bacterium and dust etc. unavoidably, the draw ring that is encapsulated in top cover during use can fall in tank body, and directly be dipped in the interior liquid of tank body, this moment the bacterium on the draw ring, therefore the pollutantss such as dust can pollute beverage, turn over the formula enclosuring structure in to exist serious potential safety hazard.
Chinese patent discloses a kind of drawn type zip-top can sealing pull ring (CN101670897A), and it is that opening above tank body is provided with U-shaped pull groove, and this pull groove is equipped with and can with the pull plate of opening sealing, be provided with draw ring in the outside of pull plate.Although this structure is to come the shutoff opening by the pull plate that the opening part at pop can arranges drawer type, thereby avoided easily broken, the difficult unlatching of external pulling type draw ring, and in turn over the problems such as formula draw ring wholesomeness is poor, but there is the forming work difficulty in this structure, productive costs is high, and leak tightness is poor, and the pot liquid problem such as very easily leak is not suitable on a large scale and promotes the use of during inversion.
Summary of the invention
The utility model mainly provided a kind of seal simple, cost is low, the enclosuring structure of safety and sanitation, the pop can easily opened, solved the external pulling type draw ring that exists in the prior art easily broken, the difficult unlatching, and in turn over poor etc. the technical matters of formula draw ring wholesomeness.
Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals: a kind of enclosuring structure of pop can, the top cover that comprises pop can, be provided with opening at top cover, outer side edges edge at described opening is provided with the annular closed boss, be provided with blank cover at the annular closed boss, the annular closed boss upper surface corresponding with blank cover is provided with plastic sheeting, and blank cover is connected on the upper port of annular closed boss by the airtight with plastic film.By on pop can opening edge edge the annular closed boss being set, and establish blank cover in annular closed boss upper cover, because hot pressing cladding or pasted layer of plastic film on the annular closed boss upper surface that cooperates with blank cover, only need when therefore encapsulating by device for can sealing the blank cover heat-sealing to be got final product at the annular closed boss, only need gently draw blank cover peelable during unlatching, easily open, and blank cover can not pollute pot liquid, safety and sanitation, it utilizes plastic sheeting encapsulation pop can opening, good airproof performance, processing and fabricating is simple, cost is low, and wherein the annular closed boss has not only increased the intensity of opening, utilizes the annular closed boss can improve again the planeness of sealing, further guarantee the leak tightness of zip-top can sealing, the top cover upper surface of flowing through when simultaneously the annular closed boss has avoided again enclosing liquid in the tank body outwards to pour out causes the pollution of enclosing liquid thus, has guaranteed customer's health safety.
As preferably, described annular closed boss is that integral type is connected with top cover.The outward opening flange of pop can namely forms the annular closed boss that integral type connects, and machine-shaping is simple, and the opening part good airproof performance, and intensity is high.
As preferably, the plastic sheeting of described annular closed boss upper surface extends inwardly to the medial surface of top cover from opening.By hot pressing cladding on the medial surface of top cover or pasted layer of plastic film, extended to form again the annular closed boss of turnup structure by outward opening, technique is simple.
As preferably, described plastic sheeting is the complex film of copolymer film, ethene and propylene copolymer film, ethene and acetate ethylene copolymer film or above each film of copolymer film, propylene and the acrylic monomer of polyethylene foil, polypropylene film, mylar, ethene and acrylic monomer.The plastic sheeting cost is low, and themoplasticity is good, easily processing, safety and sanitation.
As preferably, the shape of described blank cover is consistent with opening shape, forms pull head at the inside horizontal-extending of the medial extremity of blank cover, and arc transition is connected between pull head and blank cover.By the formation pull head that extends internally of the medial extremity at blank cover, convenient hand-held pull head upwards gently pulls open and opens; When arc transition is connected between pull head and blank cover, prevent pull head fracture in the tearing process, improve the Joint strenght of the two.
Opening can be circular, the various shapes such as water-drop-shaped, and as preferably, described opening be the long arc shape of setting radially.The long arc shape opening is convenient to form the annular closed boss to upper overturning, also is convenient to pot liquid simultaneously and outwards at the uniform velocity topples over.
As preferably, described top cover is tin-plate or chromium plating iron.Tin-plate or chromium plating iron cost are low, and forming work is simple.
As preferably, described blank cover is aluminium plastic composite material, composite paper-plastic material or plastic material.When blank cover adopts plastic-aluminum, paper or plastics, can guarantee the blank cover heat-sealing on the annular closed boss, good airproof performance, cost is low, and good waterproof performance is avoided opening generation leakage phenomenon.
As preferably, the upper surface of described top cover is provided with plastic sheeting.Compound or stickup thin film on the top cover, the one, prevent that the liquid of pouring out in the tank body from contacting and damaging health with the metal surface of top cover, improve safety; The 2nd, prevent the outer corrosion of top cover, prolong the service life of pop can and the quality of the interior liquid of assurance tank body.
Therefore, the enclosuring structure of pop can of the present utility model has following advantage:
1. pop can inside face integral heat pressure is laminated with or pastes layer of plastic film, and namely film-covered iron prevents pop can inner chamber generation corrosion phenomena;
2. the long arc shape opening part edge of the top cover rear formation annular closed boss that turns up turns up upwards the compound plastic sheeting of inwall, is convenient to it and docks sealing with blank cover, and moulding is simple, the simplification course of processing;
3. blank cover adopts plastic-aluminum combined lid, paper composite cover or plastic sheeting lid, good waterproof performance, and easily processing, cost is low;
4. sealing operation is simple, easily open, and safety and environmental protection, leak resistance is good.
Description of drawings:
Structural representation when Fig. 1 is the utility model the first embodiment;
Fig. 2 is cutaway view shown in Figure 1;
Structural representation when Fig. 3 is the utility model the second embodiment;
Structural representation when Fig. 4 is the third embodiment of the utility model.
The specific embodiment:
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1:
As shown in Figure 1, the enclosuring structure of a kind of pop can of the present utility model, the top cover 1 that comprises the pop can of tin-plate material, as shown in Figure 2, in top cover 1, difference hot pressing cladding layer of plastic film 5 on the outside face, plastic sheeting 5 is polyethylene foil, on top cover 1, radially have the opening 2 of a long arc shape, one end of opening 2 is near the edge of top cover 1, integral type forms an annular closed boss 3 on the outer side edges edge of opening 2, be that annular closed boss 3 forms after by opening 2 outward flangings, at blank cover 4 of annular closed boss 3 encapsulation, blank cover 4 is aluminium plastic composite material, and its external side end is circular arc and is connected on top cover 1 edge, the inside horizontal-extending of its medial extremity forms a semi-round pull head 6,4 arc transition of the both sides of pull head 6 and blank cover.
During use, by device for can sealing blank cover 4 heat-sealings can be finished encapsulation on the upper surface of annular closed boss 3.
Embodiment 2:
As shown in Figure 3, on the inside and outside surface of top cover 1, paste respectively layer of plastic film 5, plastic sheeting 5 is the copolymer film of ethene and acrylic monomer, the shape of blank cover 4 is consistent with opening 2 shapes, and the middle part at pull head 6 has aperture, be convenient to lift blank cover 4, remainder is identical with embodiment 1.
Embodiment 3:
As shown in Figure 4, have the opening 2 of a circle at top cover 1, opening 2 is concentric with top cover 1, and annular closed boss 3 outer edges that form behind opening 2 outward flangings are near top cover 1 edge, blank cover 4 also is circular, and the edge of blank cover 4 extends to the outside at annular closed boss 3 edges.
Specific embodiment described herein only is to design of the present utility model explanation for example.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (9)
1. the enclosuring structure of a pop can, the top cover (1) that comprises pop can, be provided with opening (2) at top cover (1), it is characterized in that: in the outer side edges of described opening (2) along being provided with annular closed boss (3), be provided with blank cover (4) at annular closed boss (3), annular closed boss (3) upper surface corresponding with blank cover (4) is provided with plastic sheeting (5), and blank cover (4) is by on the airtight upper port that is connected to annular closed boss (3) of plastic sheeting (5).
2. the enclosuring structure of pop can according to claim 1, it is characterized in that: described annular closed boss (3) is connected for integral type with top cover (1).
3. the enclosuring structure of pop can according to claim 1 and 2, it is characterized in that: the plastic sheeting (5) of described annular closed boss (3) upper surface extends inwardly to the medial surface of top cover (1) from opening (2).
4. the enclosuring structure of pop can according to claim 1 and 2 is characterized in that: described plastic sheeting (5) is the complex film of copolymer film, ethene and propylene copolymer film, ethene and acetate ethylene copolymer film or above each film of copolymer film, propylene and the acrylic monomer of polyethylene foil, polypropylene film, mylar, ethene and acrylic monomer.
5. the enclosuring structure of pop can according to claim 1 and 2, it is characterized in that: the shape of described blank cover (4) is consistent with opening (2) shape, form pull head (6) at the inside horizontal-extending of the medial extremity of blank cover (4), and arc transition is connected between pull head (6) and blank cover (4).
6. the enclosuring structure of pop can according to claim 1 and 2 is characterized in that: the long arc shape of described opening (2) for radially arranging.
7. the enclosuring structure of pop can according to claim 1 and 2, it is characterized in that: described top cover (1) is tin-plate or chromium plating iron.
8. the enclosuring structure of pop can according to claim 1 and 2, it is characterized in that: described blank cover (4) is aluminium plastic composite material, composite paper-plastic material or plastic material.
9. the enclosuring structure of pop can according to claim 1 and 2, it is characterized in that: the upper surface of described top cover (1) is provided with plastic sheeting (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220337740 CN202687027U (en) | 2012-07-13 | 2012-07-13 | Sealing structure of zip-top can |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220337740 CN202687027U (en) | 2012-07-13 | 2012-07-13 | Sealing structure of zip-top can |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202687027U true CN202687027U (en) | 2013-01-23 |
Family
ID=47542679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220337740 Expired - Lifetime CN202687027U (en) | 2012-07-13 | 2012-07-13 | Sealing structure of zip-top can |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202687027U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102849324A (en) * | 2012-07-13 | 2013-01-02 | 浙江诚信包装材料有限公司 | Sealing structure of ring-pull can and processing technology |
-
2012
- 2012-07-13 CN CN 201220337740 patent/CN202687027U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102849324A (en) * | 2012-07-13 | 2013-01-02 | 浙江诚信包装材料有限公司 | Sealing structure of ring-pull can and processing technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181219 Address after: 314422 No. 15 Qihui Road, Nongfa District, Chang'an Town, Haining City, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Yingyi Metal Packaging Co.,Ltd. Address before: 314423 No. 12 Qichao Road, Haining Agricultural External Comprehensive Development Zone, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG CHANCING PACKAGE MATERIAL Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314422 No. 15 Qihui Road, Nongfa District, Chang'an Town, Haining City, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Yingyi metal material technology Co.,Ltd. Address before: 314422 No. 15 Qihui Road, Nongfa District, Chang'an Town, Haining City, Jiaxing City, Zhejiang Province Patentee before: Zhejiang Yingyi Metal Packaging Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |
|
| CX01 | Expiry of patent term |