CN110329659A - A kind of novel sealed packing box - Google Patents
A kind of novel sealed packing box Download PDFInfo
- Publication number
- CN110329659A CN110329659A CN201910626083.8A CN201910626083A CN110329659A CN 110329659 A CN110329659 A CN 110329659A CN 201910626083 A CN201910626083 A CN 201910626083A CN 110329659 A CN110329659 A CN 110329659A
- Authority
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- China
- Prior art keywords
- recess
- platform
- packing box
- protrusion
- box body
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/10—Container closures formed after filling
- B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
- B65D77/2024—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to the container
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
Abstract
The present invention provides a kind of novel sealed packing box, the packing box includes the box body and sealing covering for contain things, the box body is equipped with opening, the periphery of the opening is equipped with the platform extended outward, the platform and the position that sealing covering contact sealing have a recess and/or protrusion, the recess and/or raised height is 10~500 microns, width is 10~1000 microns, the arranging density on platform is 4~104The ratio between maximum height and minimum bottom width of a/square millimeter, the recess and/or protrusion are 0.01~50.This packing box can bear certain inside and outside differential pressure, significantly improve the leakproofness of box body, it can be adapted for the article used under special (such as internal pressure is powerful in outer pressure) environment or conventional environment but to the packaging of the extra high article of sealing requirements (such as sheath), the risk of reduction packing box unexpected breakage of generation during transport, storage；In addition, packing box provided by the invention has the characteristics that be easy to open simultaneously, be easy to use.
Description
Technical field
The present invention relates to box body packing technique field, in particular to a kind of better tightness can bear external pressure in certain
The packing box of difference.Packing box provided by the invention, box body are sufficiently bonded with sealing covering, can avoid the occurrence of superfine gap,
Certain inside and outside differential pressure can also be born, the leakproofness of box body is significantly improved, increasing can application environment；In addition, of the invention
The packing box of offer can retain simultaneously is easy to the characteristics of opening.This packing box is wanted particularly suitable for some pairs of leakproofness of storage
It asks especially high, be required to bear the product of certain pressure, the product used such as high-altitude or under water, sheath, containing syringe
Deng.
Background technique
Box body sealed package is widely used a kind of packaged form in daily life, its purpose is to it will pack in
Outer environment isolation is opened, so that reaching prevents from revealing and pack inside and outside cross contamination, Fruit yelly case packaging is a kind of common box
Body packaging.Two key elements of box body packing technique are sealing performance and to be easy to break seal, provide a kind of sealing performance it is more preferable and
The packaging for being easy to break seal again simultaneously is the target of this field technical staff's long-sought.
By repeatedly trying out investigation, for an adult, power of breaking seal will be controlled within 50N, relatively easy to open packet
Mounted box.
The inside and outside pressure of packing box is consistent under atmospheric pressure environment, and pressure difference is not present, no stress at the sealing of packing box, as long as
It is sealed completely when encapsulation, packing box internal and external environment completely cuts off completely, and the leakproofness of packaging can preferably be kept.
However in particular circumstances, external environment pressure locating for packing box can change, and lead to the interior external pressure of packing box
It is strong inconsistent, inside and outside differential pressure is generated, such as: when packing box is in high-altitude (such as high-altitude food), external pressure is reduced, in packaging
Pressure can be higher than external pressure；When packing box is in it is underwater when (such as the article that transports under water), external pressure increases, in packaging
Pressure can be lower than external pressure.When the inside and outside pressure of packing box is inconsistent, stress can be generated at the sealing of packing box, if close
Sealing intensity at envelope is insufficiently resistant to stress, then can occur the case where sealing cracking under the action of stress.Therefore in having
In the presence of external differential, there are higher sealing requirements to packing box, to resist stress caused by inside and outside differential pressure.
Although certain specialities and being used in atmospheric pressure environment, the considerations of in terms of safety, it is desirable to
Its sealed package has higher leakproofness.By taking sheath as an example, sheath spreads through sex intercourse as a kind of for birth control and prevention
The medical instrument that disease (STD) is propagated, has strict requirements to the leakproofness of the independent packaging of each product；Because sealing does not conform to
Lattice will lead to the leakage of product lubricant and product is leaked in air cruelly to accelerate the aging of product, reduce security performance.
The leakproofness of sheath independent packaging is whether to resist inside and outside differential pressure there are inside and outside differential pressure with sealed package to lead
The stress of cause maintains package integrity properties, the ability revealed does not occur to evaluate.Particularly to reach ISO 4074-2015
" Natural rubber latex male condoms --- Requirements and test methods " annex N is wanted
It asks just to be qualified, it is required that are as follows: each independent condom package can pass through at least 60 seconds under the vacuum pressure of (20 ± 5) kPa
Resistance to tested person, occur in 60 seconds inner packing crack-free leak cases.
Sheath Fruit yelly case packaging is the packaged form of emerging sheath in recent years, because it is with richer design
Form and better visual effect, it is deep to be liked by young man.As described above, the independent packaging as sheath, sheath fruit
Freezing box equally must satisfy the requirement of ISO 4074-2015, while more preferably, can protect under above-mentioned more harsh environment
Hold leakproofness.
One skilled in the art will appreciate that Fruit yelly case packaging generally uses polystyrene (PP) or polyvinyl chloride (PVC) sheet material
By blowing (suction) moulding into box；After being put into product, film is overlying on box mouth, then pastes box opening platform and film by hot pressing
Close sealing.
Due to the sealing of Fruit yelly case be by by the platform and membrane material heat pressure adhesive at box opening, in existing material and
It is difficult and uneconomic for directly reaching enough press seal intensity under technical conditions by adjusting temperature and pressure.For example,
With existing technical solution, common sheet material such as polystyrene (PS) are more than softening transform after 125 DEG C to lead in heat-sealing temperature
Cause, which can not be successfully, is processed into box body；And at relative low temperature (110 DEG C), pressure reach the Fruit yelly case of 100MPa hot sealing according to
So it is unable to satisfy the sealing requirements of ISO 4074-2015.
In addition, the bondability between the complexity and box body platform and membrane material of the unpacking of Fruit yelly case sealed package is related,
Bondability is higher, is more difficult to break seal.And the leakproofness of sheath independent packaging is the vacuum pressure to be packaged in (20 ± 5) kPa
Under tolerance characterize, therefore bondability is higher, it is meant that package encapsulation is better.So there are one for Fruit yelly case packaging
The problem of a contradiction: leakproofness is better, is more difficult to break seal.
Therefore, how by this packaged form of Fruit yelly case sealed package be applied to condom package, both ensured sheath fruit
Freeze the sealing requirements that box packaging meets condom products standard, ensures safety when condom use, while can also allow and disappear
It is easy unpacking when the condom products that the person of expense is packed using Fruit yelly case, takes into account the convenience that product uses, is current sheath row
One technical problem of industry.Similar situation also appears in some other particular surroundings, such as needs in High aititude or low
Situations such as sealed package used in pressure ring border.
In order to overcome the above technical problems, the box body packaging scheme that a kind of better tightness is provided while being easy to break seal, this
Field technical staff has done various trials:
Chinese patent CN 1228216C discloses the technology that a kind of edge by packing box forms double seal line
Scheme, it is intended to ensure leakproofness and easily open.But the analysis found that, this packaging can satisfy the sealing under conventional environment
Property require, but be not suitable for it is above-mentioned there are the particular surroundings of inside and outside differential pressure, be not suitable for the packaging of sheath yet.
Therefore more preferable while being easy to break seal there is still a need for a kind of sealing performance is provided, it can be used for special article (such as contraception
Set) or under special (such as there is inside and outside differential pressure) environment remain to the packing box for meeting seal request.
Summary of the invention
Based on the above issues, in place of overcome the deficiencies in the prior art of the present invention, provide it is a kind of can bear it is certain inside and outside
Pressure difference (internal pressure is powerful in outer pressure), significantly improves the leakproofness of box body, can be adapted for the extra high object of sealing requirements
The packaging of product (such as sheath) reduces packing box and unexpected damaged risk occurs during transport, storage；In addition, of the invention
The packing box of offer has the characteristics that be easy to open simultaneously, be easy to use.The present invention by taking sheath Fruit yelly case sealed package as an example,
Better illustrate the creativeness and practicability of technical solution of the present invention.
To achieve the above object, the technical scheme adopted by the invention is as follows:
A kind of novel sealed packing box, as shown in Figure 1, including box body 1 and sealing covering 2 for contain things, institute
It states box body and is equipped with opening, the periphery of the opening is equipped with the platform 3 extended outward, and the sealing covering connects with the platform
It touches and is sealed, the position that the platform is contacted with the sealing covering has recess 4 and/or protrusion 5, wherein described
Recess and/or protrusion maximum height be 10~500 microns, it is described recess and/or protrusion minimum bottom width be 10~
1000 microns, the arranging density of the recess and/or protrusion on platform is 4~104A/square millimeter, it is described recess and/or
The ratio between the maximum height of protrusion and minimum bottom width are 0.01~50.Article is placed in box body when encapsulation, by heating,
The methods of pressurization, adhesive bonding make box body platform and sealing jointing covering sealing, reach article and the external world in isolation box body
The effect of atmospheric environment.
Novel sealed packing box provided by the invention, platform has with the position that contact of sealing covering to be recessed and/or convex
It rises, platform can be increased in this way and seals the contact area after covering sealing, to have phase in box body and sealing covering
In the case where bondability, higher sealing intensity when burnishing surface all compared with platform is obtained.Most by recess and/or protrusion
Big height and minimum bottom width and density limitations can make sealing packaging box under 25kPa vacuum pressure in above range
Pass through performing leak test (maintaining (60 ± 5) second in water, no steady and continuous bubble overflows)；Simultaneously by it is described recess and/or it is convex
The control of the ratio between the maximum height and minimum bottom width that rise, can be by unpacking power control within 50N 0.01~50.
Preferably, the ratio between the maximum height and minimum bottom width of the recess and/or protrusion are 0.02~3.As a result, may be used
Further to make to break seal power control within 20N, it is easier to break seal.
Preferably, resistance to compression rupture strength >=0.1MPa of the sealing covering.
Preferably, the recess and/or protrusion are linear, radial, latticed with ranks dot matrix, equipressure on the platform
At least one of mode it is arranged evenly, the ordered arrangement of recess and/or protrusion facilitates the uniformity of sealing, while can also be with
The power for keeping packing box required in unpacking is kept constant.
Preferably, the platform is starting point to the position at 0.1~1 millimeter away from inside as burnishing surface using inside；It is described flat
Whole face refer to platform surface be it is flat, without any recess and/or protrusion, thus, it is possible to avoid recess on platform and/or convex
Rise in box body article generation it is possible contact, cause the damage of article.
Preferably, the recess and/or protrusion are at least one of column, cone cell, prism-frustum-shaped, ball missing shape, or are hung down
Directly in the line style stereochemical structure that the cross sectional shape of center line is at least one of triangle, trapezoidal, rectangle, cyclotomy.
A kind of preferred embodiment of novel sealed packing box provided by the invention are as follows: the platform is starting point to away from interior using inside
Position at 0.1~1 millimeter of side is burnishing surface, there are recess and/or a protrusion in remaining position, the recess and/or protrusion with 4~
102The density of a/square millimeter is spaced substantially equidistant in the way of ranks dot matrix or by the concentric circular fashion in the center of circle of box body center
On the platform, the maximum height of the recess and/or protrusion is 10~300 microns, minimum bottom width is 100~500
The ratio between maximum height and minimum bottom width of micron, the recess and/or protrusion are 0.02~3.Thus, it is possible to make power of breaking seal
Control is easy unpacking within 20N；The contact area of platform and object in sealing contact can be made increased more simultaneously, leakproofness
More preferably, not only ((60 ± 5) second, no steady and continuous bubble can be maintained in water by performing leak test under 25kPa vacuum pressure
Overflow), it can equally pass through performing leak test in more harsh condition such as 20kPa, 15kPa, 10kPa, 5kPa even 0kPa.
Preferably, volume >=2.4cm of the novel sealed packing box3。
The box body of novel seal packaging provided by the present invention can use polystyrene (PP), polyvinyl chloride (PVC), gather
The intermingling material of one or more of the high molecular materials such as styrene (PS) or the composite wood of high molecular material and metal
Material is made.
Novel sealed packing box provided by the present invention, sealing covering can be metal, macromolecule or metal and high score
The compounded soft film of son or hard films.
Preferably, the box body uses PVC material, and the sealing covering is aluminum-plastic composite membrane.
Sealing covering can be covered on institute by heating or pressurizeing by novel sealed packing box provided by the present invention
It states platform and seals box body, can also will seal covering bonding by adhesive seals box body on the platform.
Preferably, the novel sealed packing box is used for the product packing high-altitude or using under water, as sheath, drug containing are infused
Emitter etc..
In conclusion the invention has the benefit that
The present invention provides a kind of novel sealed packing boxes, it is characterized in that box opening platform was contacted with sealing covering
Position has recess and/or protrusion.This novel sealed packing box is close compared with the sealing packaging box of all burnishing surfaces of platform
Sealing property significantly improves, and the article high suitable for special (such as there is certain inside and outside differential pressure) environment or sealing requirements (is such as kept away
Pregnant set)；Meanwhile technical solution provided by the invention, it also has both and is easy to the characteristics of breaking seal, it is easy-to-use.
Detailed description of the invention
Fig. 1 is the schematic diagram after a kind of embodiment unpacking of sealing packaging box of the present invention；
Fig. 2 is the schematic diagram after a kind of embodiment unpacking of sealing packaging box of the present invention, and wherein platform has truncated rectangular pyramids
Shape recess；
Fig. 3 is the thin portion amplification oblique drawing of Fig. 2；
Fig. 4 is the thin portion enlarged plan view of Fig. 2；
Fig. 5 is the schematic diagram after a kind of embodiment unpacking of sealing packaging box of the present invention；Wherein platform has ball missing shape convex
It rises；
Fig. 6 is the thin portion amplification oblique drawing of Fig. 5；
Fig. 7 is the thin portion enlarged plan view of Fig. 5；
Fig. 8 is a kind of schematic diagram of common sealing packaging box scheme；
Wherein, 1, box body, 2, sealing covering, 3, platform, 4, recess, 5, protrusion.
Specific embodiment
Some titles, test sample involved in the present invention, test method, normative reference are carried out briefly below
It is bright:
Test sample
The embodiment of the present invention is provided by the present invention to illustrate by taking Fruit yelly case sealing packaging box (interior placement sheath) as an example
The purpose and beneficial effect of technical solution.
For the sheath Fruit yelly case sealed package in the embodiment of the present invention, the sheet material of box body is PVC material, sealing covering
Object is aluminum-plastic composite membrane.
For the sheath Fruit yelly case sealed package in the embodiment of the present invention, it is all made of consistent manufacturing parameter system
It is standby.
Unpacking power (intensity) test
Intact sheath Fruit yelly case sealed package sample aluminum-plastic composite membrane is fixed on measurer for pulling force lower part folder upward
On tool, upper clamp clamps the unpacking point of aluminum-plastic composite membrane；Measurer for pulling force is run using the tensile speed of 50 mm/mins,
It breaks seal along the direction perpendicular to box mouth to Fruit yelly case packaging；Pulling force --- time graph is recorded, is read opposite on curve
Stable maximum F, as unpacking power (intensity).
Performing leak test
The container of one vacuum-pumping is set, is filled with water in container；32 intact sheath Fruit yelly case sealed packages are placed in
Water surface 25mm or less；To container vacuum-pumping, when stopping vacuumizes under the vacuum pressure for reaching setting；Maintain the vacuum pressure of setting
Whether (60 ± 5) second, observing has the bubble of steady and continuous to escape in packaging.Bubble if any steady and continuous overflows, then fails to lead to
Test is crossed, D is as a result denoted as；It otherwise is as a result A is denoted as by test.
Normative reference
ISO 4074:2015 " Natural rubber latex male condoms --- Requirements and
test methods》
GB 7544:2009 " natural latex rubber sheath technical requirements and test method "
Purposes, technical schemes and advantages in order to better illustrate the present invention, below in conjunction with the drawings and specific embodiments pair
The present invention is described further.Each parameter value used in the present invention is all multiple groups or multiple is averaged unless otherwise specified
Value.
Embodiment 1
A kind of seal-packed embodiment of sheath Fruit yelly case of the invention, (Fig. 3~4 are the thin portion of Fig. 2 as shown in Figure 2
Enlarged diagram), the position that platform 3 is contacted with sealing covering 2 is from 0.5 millimeter of (width) position on the inside of anomaly platform to anomaly
The position that 0.5 millimeter of (width) position is stopped on the outside of platform has recess 4；Recess is spaced substantially equidistant in ranks dot matrix, and density is 4/
Square millimeter；For recess in quadrangular frustum pyramid shaped, upper side length (minimum bottom width) is L1, following a length of L2, a height of H.
The embodiment sample be denoted as sample 1-1,1-2 ... 1-35, the dimensional parameters of sample are listed in table 1.
1 platform of table has the Fruit yelly case for the recess of falling quadrangular frustum pyramid shaped
Embodiment 2
The difference of sample 1-7 only exists in a kind of seal-packed embodiment of sheath Fruit yelly case of the invention and embodiment 1
In being recessed, the density arranged is 16,36,64,100,10000/square millimeter.
The embodiment sample is denoted as sample 2-1,2-2,2-3,2-4 and 2-5.
Embodiment 3
A kind of seal-packed embodiment of sheath Fruit yelly case of the invention, (Fig. 6~7 are that Fig. 5 thin portion is put as shown in Figure 5
Big schematic diagram), the position that platform 3 is contacted with sealing covering 2 has protrusion 5；Protrusion is with Fruit yelly case center in concentric circles etc.
Distance arrangement, density are 4/square centimeter；Protrusion is ball missing shape, and segment basal diameter is D, a height of H.
The embodiment sample be denoted as sample 3-1,3-2 ... 3-17, the dimensional parameters of sample are listed in table 2.
2 platform of table has the sealing Fruit yelly case of ball missing shape protrusion
| Serial number | D/ μm of segment basal diameter | H/ μm of segment floor height |
| 3-1 | 500 | 50 |
| 3-2 | 400 | 50 |
| 3-3 | 300 | 50 |
| 3-4 | 200 | 50 |
| 3-5 | 100 | 50 |
| 3-6 | 500 | 100 |
| 3-7 | 400 | 100 |
| 3-8 | 300 | 100 |
| 3-9 | 200 | 100 |
| 3-10 | 100 | 100 |
| 3-11 | 500 | 200 |
| 3-12 | 400 | 200 |
| 3-13 | 300 | 200 |
| 3-14 | 200 | 200 |
| 3-15 | 500 | 300 |
| 3-16 | 400 | 300 |
| 3-17 | 300 | 300 |
Embodiment 4
Example 1, embodiment 2, the sample in embodiment 3 and reference substance 1, reference substance 2 test it and break seal power (intensity)
F。
Wherein reference substance 1 it is (as shown in Figure 8) for platform and all burnishing surfaces in position that contact of sealing covering and 1-1
Fruit yelly case of the sample with size；Reference substance 2 is to remove the Fruit yelly case that height parameter is different, other parameters are all the same from sample 1-7,
Height is 600 microns.
Wherein to 2 series of 1 series of sample and sample, side length L is taken1As width W, depth-width ratio H/W is calculated；To sample 3
Series takes segment basal diameter D as width W, calculates depth-width ratio H/W.
Test result is listed in table 3.
The depth-width ratio and unpacking power of 3 Fruit yelly case of table
Above-mentioned test result shows sealing packaging box provided by the invention, recess on platform with predetermined size and/or
Protrusion, and the ratio of the maximum height and minimum bottom width of recess and/or protrusion is controlled between 0.01~50, it can make
Power of breaking seal control is within 50N, it is furthermore preferred that such as the ratio control of recess and/or the maximum height and minimum bottom width of protrusion
System can make to break seal power control within 20N, be easier to break seal between 0.01~3.
Embodiment 5
Example 1 and sample, reference substance 1 and reference substance 2 in embodiment 2, carry out close at different vacuum pressure P
The test of envelope property, is the standard test condition of condom products when wherein vacuum pressure is 25kPa.
Test result is listed in table 4.
4 Fruit yelly case performing leak test of table
Above-mentioned test result shows that technical solution of the present invention can be by the contact surface of increase platform and object in sealing contact
Product, Lai Tigao leakproofness；All samples of the present invention can pass through in the case where vacuum pressure is the sheath standard testing pressure of 25kPa
Test, while power of breaking seal can control within 50N, and adult is easier to break seal；For the portion of preferred embodiment of the invention
Divide product, performing leak test can be passed through under more harsh condition such as vacuum pressure 20kPa, 15kPa, 5kPa or 0kPa.And
Without recess and/or protrusion on 1 platform of reference substance, performing leak test cannot be passed through；2 platform of reference substance although have recess and/or
Protrusion, but depth-width ratio is excessive, unpacking power is up to 63.5, it is more difficult to unpacking.
In conclusion novel sealed packing box provided by the invention, can significantly improve leakproofness, while being easier to break seal,
Especially suitable for the extra high article of leakproofness (such as sheath) or there are the environment of certain pressure difference.
Claims (12)
1. a kind of novel sealed packing box, which is characterized in that including the box body and sealing covering for contain things, the box
Body is equipped with opening, and the periphery of the opening is equipped with the platform extended outward, and the sealing covering and the contact with platform are simultaneously
It being sealed, after the packing box unpacking, the position that the platform is contacted with sealing covering has recess and/or protrusion,
The maximum height of the recess and/or protrusion is 10~500 microns, and the minimum bottom width of the recess and/or protrusion is 10
~1000 microns, the arranging density of the recess and/or protrusion on box body is 4~104A/square millimeter, it is described recess and/
Or the ratio between the maximum height of protrusion and minimum bottom width are 0.01~50；
Preferably, the ratio between the maximum height and minimum bottom width of the recess and/or protrusion are 0.02~3.
2. novel sealed packing box according to claim 1, which is characterized in that the rupture strength of the sealing covering >=
0.1MPa。
3. novel sealed packing box according to claim 1 or 2, which is characterized in that the recess and/or protrusion are described
On platform by ranks dot matrix, it is isobaric it is at least one of linear, radial, latticed in a manner of it is arranged evenly.
4. described in any item novel sealed packing boxes according to claim 1~3, which is characterized in that the platform is with inside
Position at starting point to 0.1~1 millimeter away from inside is burnishing surface.
5. novel sealed packing box according to any one of claims 1 to 4, which is characterized in that the recess and/or protrusion
Geometry be at least one of column, cone cell, prism-frustum-shaped, ball missing shape, or be perpendicular to the cross sectional shape of center line
The line style stereochemical structure of at least one of triangle, trapezoidal, rectangle, cyclotomy.
6. novel sealed packing box according to claim 4 or 5, which is characterized in that the recess and/or protrusion with 4~
102The density of a/square millimeter is spaced substantially equidistant in the way of ranks dot matrix or by the concentric circular fashion in the center of circle of box body center
On the platform, it is described recess and/or protrusion height be 10~300 microns, width is 100~500 microns, the recess
And/or the ratio between the maximum height of protrusion and minimum bottom width are 0.02~3.
7. the novel sealed packing box according to claim 4 or 6, which is characterized in that the appearance of the novel sealed packing box
Product >=2.4cm3。
8. according to the described in any item novel sealed packing boxes of claim 4~7, which is characterized in that the material of the box body is
The blending material of one or more of the high molecular materials such as polystyrene (PP), polyvinyl chloride (PVC), polystyrene (PS)
Material, or be the composite material of high molecular material and metal.
9. the novel sealed packing box according to claim 4~7, which is characterized in that the sealing covering be with metal,
Macromolecule or metal and the compounded soft film of macromolecule or hard films.
10. the novel sealed packing box according to claim 4~7, which is characterized in that the material of the box body is PVC, institute
Stating sealing covering is aluminum-plastic composite membrane.
11. described in any item novel sealed packing boxes according to claim 1~10, which is characterized in that the sealing covering
Being covered on the platform by heating seals box body, and perhaps pressurization, which is covered on the platform, seals box body or by viscous
Mixture is closed to be bonded in the platform and seal box body；
Preferably, the sealing covering, which is covered on the platform by hot pressing, seals box body.
12. novel sealed packing box according to claim 11, which is characterized in that the novel sealed packing box is for wrapping
Fill sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910626083.8A CN110329659B (en) | 2019-07-11 | 2019-07-11 | Novel sealed packing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910626083.8A CN110329659B (en) | 2019-07-11 | 2019-07-11 | Novel sealed packing box |
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| Publication Number | Publication Date |
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| CN110329659A true CN110329659A (en) | 2019-10-15 |
| CN110329659B CN110329659B (en) | 2023-07-28 |
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| CN201910626083.8A Active CN110329659B (en) | 2019-07-11 | 2019-07-11 | Novel sealed packing box |
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