CN206590336U - A kind of controlled atmospheric packing bag - Google Patents
A kind of controlled atmospheric packing bag Download PDFInfo
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- CN206590336U CN206590336U CN201621050471.4U CN201621050471U CN206590336U CN 206590336 U CN206590336 U CN 206590336U CN 201621050471 U CN201621050471 U CN 201621050471U CN 206590336 U CN206590336 U CN 206590336U
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- film
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- controlled atmospheric
- atmospheric packing
- packing bag
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Abstract
The utility model discloses a kind of controlled atmospheric packing bag, belong to packaging bag field.A kind of controlled atmospheric packing bag of the present utility model, including wrapping film, the wrapping film includes upper film and lower film, the upper film be fixedly connected at lower film top edge, junction is closed air tight, is formed in the upper film and lower film and suction nozzle is provided with glove cavity, the drift angle of wrapping film one, the suction nozzle is fixedly connected with wrapping film, and the suction nozzle is connected with glove cavity.A kind of controlled atmospheric packing bag of the present utility model has and can carry out accurate adjustment to gas in packaging bag, during various mixed gases are filled, different gas can quantitatively be filled successively, and with good thermal insulation and seal, it ensure that during long-time is preserved, gas formation does not change in controlled atmospheric packing bag, while having certain water-retaining property, the characteristics of ensure that cold fresh meat.
Description
Technical field
The utility model is related to a kind of packaging bag, particularly a kind of controlled atmospheric packing bag.
Background technology
Cold fresh meat has many good qualities compared to chilled meat and Fresh meat:Safety and sanitation, take conveniently, with foods supervision system
Increasingly mature and related check is scientific and technical to make rapid progress, and requirement of the people to meat product not only rests on sense organ product
In matter, and understand meat products quality with being desirable to qualitative, quantitative.Cold fresh meat be organized in preservation during in can because of spontaneous change or
The effect of person's extraneous factor and the quality for destroying cold fresh meat, generally, cold fresh meat keep it bright in colour using controlled atmospheric packing and
Meat it is fresh.In cold fresh meat production packaging process, existing controlled atmospheric packing bag can not on seal, and thermal insulation
Superperformance is reached, when transport, the change brought by external environment brings influence to the preservation of cold fresh meat so that
The progress of the fat oxidation reaction of cold fresh meat and cause cold fresh meat to become sour, and then the astringent taste of corruption, stink are distributed, in destruction meat
The appearance of meat surface brown stain is also resulted in while quality and nutritive value, the original local flavor of meat is destroyed, shortens cold fresh meat
Shelf-life, can also be detrimental to health.
Utility model content
Utility model purpose of the present utility model is：Can be to packaging bag there is provided one kind for above-mentioned problem
Interior gas carries out accurate adjustment, during various mixed gases are filled, can quantitatively fill different gas successively, and have
There are good thermal insulation and seal, ensure that during long-time is preserved, gas formation does not occur in controlled atmospheric packing bag
Change, while having certain water-retaining property, ensure that the controlled atmospheric packing bag of the color of cold fresh meat.
The technical solution adopted in the utility model is as follows：
A kind of controlled atmospheric packing bag of the utility model, including wrapping film, the wrapping film includes upper film and lower film, described
Upper film be fixedly connected at lower film top edge, junction is closed air tight, and glove cavity, institute are formed in the upper film and lower film
State and suction nozzle is provided with the drift angle of wrapping film one, the suction nozzle is fixedly connected with wrapping film, the suction nozzle is empty with glove
Chamber is connected.
By adopting the above-described technical solution, cold fresh meat is put into after controlled atmospheric packing bag, then upper film and lower film sealing are connected
After connecing, the gas formation in controlled atmospheric packing bag is adjusted by suction nozzle, different gas can be used for different meats
Body structure is packed, and meets the demand of Different Package.
A kind of controlled atmospheric packing bag of the present utility model, the suction nozzle and wrapping film connecting place the first outer wall of formation and the
Two outer walls, the thickness of first outer wall is equal to the thickness of the second outer wall, and the thickness of first outer wall and the second outer wall is less than
The thickness of junction.
By adopting the above-described technical solution, the thinner thickness of the first outer wall and the second outer wall so that gas smoothly enters
Enter in packaging bag, with gas increase in packaging bag so that packaging bag uniformly expands.
A kind of controlled atmospheric packing bag of the present utility model, the valve includes being provided with air inlet between two mouth walls, the two gas wall
Passage, the inlet channel is connected with glove cavity, has in the middle part of the mouth wall and air bag is provided with cavity, the cavity.
By adopting the above-described technical solution, coordinating the first outer wall and the second outer wall further to ensure gas by air bag
Smoothly enter in packaging bag, the phenomenon for filling the broken bag in encapsulation process is produced, while gas that can be in packaging bag reaches
During to saturation, extruding is produced to air bag so that air bag expands, force suction nozzle is automatic to be ejected from mouth is filled.
Air pressure in inert gas, the air bag is filled with a kind of controlled atmospheric packing bag of the present utility model, the air bag
Size is 142.13kPa.
By adopting the above-described technical solution, the air pressure size in air bag is slightly larger than standard atmospheric pressure, in actual applications,
1 standard atmospheric pressure can not be timely by the automatic ejection from mouth is filled of suction nozzle, and above-mentioned air pressure is to be suitable from ejection air pressure.
A kind of controlled atmospheric packing bag of the present utility model, the mouth wall is fabricated from a flexible material, the suction nozzle outer wall side
With inclined-plane, the inclined-plane has 65 ° of angles with horizontal direction.
By adopting the above-described technical solution, inclined-plane can coordinate air bag to be easy to the automatic spring of suction nozzle.
Diameter in the middle part of a kind of controlled atmospheric packing bag of the present utility model, the inlet channel is less than the diameter at two ends, described
Most narrow place is provided with gas block panel in the middle part of inlet channel, and described gas block panel one end is flexibly connected with inlet channel side wall, the gas block panel
Can be by midpoint of tie point to lower swing, the length of the gas block panel is more than inlet channel mid diameter.
By adopting the above-described technical solution, gas block panel can avoid the gas overflowing in packaging bag, can be more accurate
The gas formation in packaging bag is adjusted, a variety of different gas fillings are entered in packaging bag by several times, and without worry
In the gap of ventilation, the gas formation in gas overflowing influence controlled atmospheric packing is impacted to the color and luster and preservation of cold fresh meat.
A kind of controlled atmospheric packing bag of the present utility model, the wrapping film surface is provided with line of cut, and the line of cut will be outer
Packaging film is divided into two parts, and suction nozzle, the first outer wall and the second outer wall are divided in a part by the line of cut.
By adopting the above-described technical solution, after regulating the qi flowing in the channels process is completed, upper film and lower film are tightly connected along line of cut
Afterwards, then along line of cut the Partial Resections such as suction nozzle can be fallen by packaging bag cutting, exempted during transporting, selling, to bag
Fill influence attractive in appearance.
A kind of controlled atmospheric packing bag of the present utility model, the upper film and lower film of wrapping film are respectively provided with multilayer laminar structure, institute
State layer structure and be followed successively by waterproof layer, light shield layer, thermal insulation layer and compacted zone under from lower, the compacted zone of the upper film and lower film
Compacted zone is connected.
By adopting the above-described technical solution, by waterproof layer, light shield layer, thermal insulation layer can avoid extraneous steam, illumination,
Influence of the temperature change to cold fresh meat, extends the holding time of cold fresh meat, and compacted zone intermolecular distance is small, ensure that controlled atmospheric packing
Gas molecule in bag will not be excessive, and the gas formation in packaging bag will not change.
A kind of controlled atmospheric packing bag of the present utility model, the waterproof layer is by 20 parts of urethane acrylates of mass parts, 37 parts
Tin-antiomony oxide, 34 parts of gel of calcium silicate, 28 parts of sodium methyl silicates, 46 parts of pentanediol phosphates, 21 parts of Ju Fang oxadiazoles, 25 parts
Si-Al-C-O fibers and 34 parts of water-soluble polymers are constituted, and the molecular formula of the water-soluble polymer is；The light shield layer is by 8 parts of nano titanium oxides of mass parts, 16 parts of oxybenzenes
Isobutyl ester, 8 parts of carbon nano-fibers, 17 parts of Al2O3-SiO2Fiber, 26 parts of polyacrylic acid and 23 parts of polypropylene compositions, it is described heat-insulated
Layer is by 11 parts of aqueous polyurethanes of mass parts, 19 parts of compound NiO-TiO2, 4 parts of BiOBr, 17 parts of hydroxy propyl methacrylates, 15 parts
Fluoroalkyl base ester, 20 parts of polypropylene and 30 parts of urethane acrylate compositions, the compacted zone is by 52 parts of poly- second of mass parts
Enol, 25 parts of paraffin microcapsules, 11 part 3,3 ' -4,4 '-benzophenone tetracarboxylic dianhydride, 13 part 4,4 '-diaminodiphenyl ether and 30 parts
Hexadecane epoxide connection alkene composition.
By adopting the above-described technical solution, waterproof layer not only has water resistance, also with certain hydrophobicity, molecule
Will not be in surface aggregation, and when waterproof layer surface is by slight scratch, can repair automatically, it is to avoid steam etc. invades packaging bag
It is internal.
Thermal insulation layer has good uv blocking performance, and light transmittance is that 1.44%, UV transmitances are 0.97%, is risen in ambient temperature
After 8 DEG C, its internal temperature only rises 0.93 DEG C, effectively ambient temperature can be avoided to rise, and causes cold fresh meat corruption.
Compacted zone has the gas in good airtight performance, packaging bag, after 15d, and number of dropouts is only 0.04%.
A kind of controlled atmospheric packing bag of the present utility model, the thickness of the waterproof layer is 17.4 μm, the thickness of the light shield layer
For 240nm, the thickness of the thermal insulation layer is 2.7mm, and the thickness of the compacted zone is 50.3 μm.
By adopting the above-described technical solution, above-mentioned thickness is sufficient for cold fresh meat transport, the cold fresh packaging of storage process
Performance, balance cost and performance.
In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：
1st, accurate adjustment can be carried out to gas in packaging bag, can be by difference during various mixed gases are filled
Gas quantitatively fill successively, and with good thermal insulation and seal, ensure that during long-time is preserved, controlled atmosphere
Gas formation does not change in packaging bag, while having certain water-retaining property, ensure that the color of cold fresh meat.
2nd, more accurately the gas formation in packaging bag can be adjusted, by several times by a variety of different gas fillings
Enter in packaging bag, and without worrying in the gap of ventilation, gas overflowing influences the gas formation in controlled atmospheric packing, light transmittance is
1.44%, UV transmitance are 0.97%, and after ambient temperature rises 8 DEG C, its internal temperature only rises 0.93 DEG C, the gas in packaging bag
Body, after 15d, number of dropouts is only 0.04%.
Brief description of the drawings
Fig. 1 is a kind of controlled atmospheric packing bag structural representation；
Fig. 2 is suction nozzle structural representation；
Fig. 3 is wrapping film structural representation.
Marked in figure：1 is wrapping film, and 11 be waterproof layer, and 12 be light shield layer, and 13 be thermal insulation layer, and 14 be compacted zone, and 2 are
Suction nozzle, 21 be inlet channel, and 22 be air bag, and 23 be gas block panel, and 3 be line of cut, and 4 be the first outer wall, and 5 be the second outer wall.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order that the object, technical solution and advantage of utility model are more clearly understood, below in conjunction with drawings and Examples,
The utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, is not used to limit the utility model.
Embodiment 1
As shown in Figure 1 to Figure 3, a kind of controlled atmospheric packing bag, including wrapping film 1, wrapping film 1 includes upper film and lower film,
Upper film be fixedly connected at lower film top edge, junction is closed air tight, and glove cavity is formed in upper film and lower film, is not made
With preceding, upper film and lower film bottom are not connected, and one is compressed on after cold fresh meat is placed into glove cavity, then by upper film and lower film
Rise, suction nozzle 2 is provided with the drift angle of wrapping film 1 one, suction nozzle 2 is fixedly connected with wrapping film 1, suction nozzle 2 and glove cavity
Connection.Suction nozzle 2 and the connecting place of wrapping film 1 the first outer wall 4 of formation and the second outer wall 5, the thickness of the first outer wall 4 are equal to second
The thickness of the thickness of outer wall 5, the first outer wall 4 and the second outer wall 5 is less than the thickness of junction.Suction nozzle includes two mouth walls, two gas
Inlet channel 21 is provided between wall, inlet channel 21 is connected with glove cavity, has in the middle part of mouth wall and air bag is provided with cavity, cavity
22.The size that air pressure in inert gas, air bag 22 is filled with air bag 22 is 142.13kPa.Mouth wall is fabricated from a flexible material, and is entered
The outer wall side of valve 2 has inclined-plane, and inclined-plane has 65 ° of angles with horizontal direction.The diameter at the middle part of inlet channel 21 is less than two ends
Diameter, the most narrow place in the middle part of inlet channel 21 is provided with gas block panel 23, and the one end of gas block panel 23 is flexibly connected with the side wall of inlet channel 2,
Gas block panel 23 can be by midpoint of tie point to lower swing, and the length of gas block panel 23 is more than the mid diameter of inlet channel 21.Outsourcing
Fill film 1 surface and be provided with line of cut 3, wrapping film 1 is divided into two parts by line of cut 3, line of cut 3 is by suction nozzle 2, outside first
The outer wall 5 of wall 4 and second is divided in a part.
The upper film and lower film of wrapping film 1 are respectively provided with multilayer laminar structure, and layer structure is followed successively by waterproof layer 11 from top to bottom,
Light shield layer 12, thermal insulation layer 13 and compacted zone 14, the compacted zone of upper film are connected with the compacted zone of lower film, the first outer wall and the second outer wall from
Up to lower is made up of waterproof layer and thermal insulation layer.Waterproof layer 11 is by 20 parts of urethane acrylates of mass parts, 37 parts of tin-antiomony oxides, 34
Part gel of calcium silicate, 28 parts of sodium methyl silicates, 46 parts of pentanediol phosphates, 21 parts of Ju Fang oxadiazoles, 25 parts of Si-Al-C-O fibers and
34 parts of water-soluble polymers are constituted, and the molecular formula of water-soluble polymer is；Shading
Layer 12 is by 8 parts of nano titanium oxides of mass parts, 16 parts of oxybenzene isobutyl esters, 8 parts of carbon nano-fibers, 17 parts of Al2O3-SiO2Fiber, 26
Part polyacrylic acid and 23 parts of polypropylene compositions, thermal insulation layer 13 is by 11 parts of aqueous polyurethanes of mass parts, 19 parts of compound NiO-TiO2, 4
Part BiOBr, 17 parts of hydroxy propyl methacrylates, 15 parts of fluoroalkyl base esters, 20 parts of polypropylene and 30 parts of polyurethane acroleic acids
Ester is constituted, and compacted zone 14 is by 52 parts of polyvinyl alcohol of mass parts, 25 parts of paraffin microcapsules, 11 part 3,3 ' -4,4 '-benzophenone tetracid two
Acid anhydride, 13 part 4,4 '-diaminodiphenyl ether and 30 parts of hexadecane epoxide connection alkene are constituted.The thickness of waterproof layer 11 is 17.4 μm, shading
The thickness of layer 12 is 240nm, and the thickness of the thermal insulation layer 13 is 2.7mm, and the thickness of compacted zone 14 is 50.3 μm
Embodiment 2
Water-soluble polymerSynthetic method it is as follows：
After 1 mol 2- methylacryoyloxyethyls dimethyl tertiary amines and 1.1 mol bromohexadecanes are well mixed, put
Enter in 250 mL round-bottomed flasks, add 50 mL acetone as reaction dissolvent, sealing, 35 DEG C of reaction temperature, lucifuge reacts 36 h.
Ice-water bath is cooled down, and separates out product.Suction filtration, is washed three times with low temperature acetone, and product is put into baking oven and dried.
Embodiment 3
The preparation method of Si-Al-C-O fibers is as follows：
Polydimethylsiloxane and aluminium acetylacetonate (99%, mass fraction) insulation reaction in constant-pressure and high-temperature reaction unit,
The mol ratio of reactant is 1：1.2, reaction is cooled to room temperature after terminating, and obtains light through processing such as dissolving, filtering and vacuum distillations
Yellow coloured resin shape precursor polyaluminocarbosilane.
Polyaluminocarbosilane is added in spinning cylinder, 210 DEG C of temperature are heated under high pure nitrogen protection, is stood de-
Bubble, is then down to spinning temperature, is pressurizeed with high pure nitrogen, silk, boundling are extruded into through porous spinneret, is wound to spinning cylinder, obtains
To continuous length 500m or so, 200/beam
Embodiment 4
Al2O3- SiO2The preparation method of fiber is as follows：
With SiO2Fiber makees catalyst activity component (catalyst as the macroscopical matrix material of ordered structure using Ni metals
Mass fraction for matrix material 1%), methane is as carbon source, and gas flow is 20 mL/min, and reaction temperature is 550
DEG C, 2 h are reacted under normal pressure and obtain being solidificated in SiO2Nano carbon fiber on fiber.
SiO is solidificated in by obtained above2Nano carbon fiber on fiber is immersed in concentration for 0.3mol/L Al
(NO3)35min in precursor liquid, then suction filtration is to remove its surface excess solution, by 300 DEG C of dry 1 h, repeats above-mentioned leaching
Stain and drying process 3 times；6 h are calcined at 600 DEG C in last air and remove nano carbon fiber template, obtain Al2O3-
SiO2Fiber.
Embodiment 5
Compound NiO-TiO2Preparation method it is as follows：
Weigh a certain amount of butyl titanate to mix with the cetyl trimethyl ammonium aqueous solution, regulation pH value is 10, acutely
Stirring 1h. is subsequently added Ni (NO3)2Solution, regulation pH value is 10, and the mol ratio of each material is NiO in stirring 4h. mixed systems：
TiO：Cetyl trimethyl ammonium：H2O=0.8：1：0.25：40.It is subsequently placed into closed crystallizing kettle, the crystallization under 383K
48h, then 24h is dried under suction filtration, 383K through repeatedly washing, 8h finally is calcined under different temperatures fourth, product is obtained.
Embodiment 6
The preparation method of hexadecane epoxide connection alkene is as follows：
KOH (16. 8 g, 0. 3 mol) is put into 100 mL DMSO, propilolic alcohol (5. 4mL, 0. are added
1 mol) and bromohexadecane (31. 5 mL, 0. 1 mol), whole mixed liquor is reacted into 10 h at room temperature and obtains brown
Suspension.With petroleum ether extraction and then respectively with water, saturation NH4Cl and Na2CO3Washing is multiple, uses anhydrous Na2SO4Dry, warp
Silicagel column purifies (eluant, eluent is petroleum ether), obtains colourless liquid cetyl third.
Cetyl propine ether (5. 0 g, 17. 9 mmol) is added in 100mL THF solution, then will
Potassium tert-butoxide (2. 4g, 21. 4 mmol) is added in solution, and 5 h are stirred at room temperature.Filtered, revolved with diatomite afterwards
It is dry, with petroleum ether dissolution, it is washed with water repeatedly, drying purifies (eluant, eluent is petroleum ether) through silicagel column, obtains colourless viscous liquid
The hexadecane epoxide connection alkene of state
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (9)
1. a kind of controlled atmospheric packing bag, it is characterised in that：Including wrapping film（1）, the wrapping film（1）Including upper film with
Film, the upper film be fixedly connected at lower film top edge, junction is closed air tight, and glove is formed in the upper film and lower film
Cavity, the wrapping film（1）Suction nozzle is provided with one drift angle（2）, the suction nozzle（2）With wrapping film（1）It is fixedly connected,
The suction nozzle（2）Connected with glove cavity.
2. a kind of controlled atmospheric packing bag as claimed in claim 1, it is characterised in that：The suction nozzle（2）With wrapping film（1）Phase
The first outer wall is formed at even（4）With the second outer wall（5）, first outer wall（4）Thickness be equal to the second outer wall（5）Thickness,
First outer wall（4）With the second outer wall（5）Thickness be less than junction thickness.
3. a kind of controlled atmospheric packing bag as claimed in claim 2, it is characterised in that：The suction nozzle includes two mouth walls, described two
Inlet channel is provided between mouth wall（21）, the inlet channel（21）Connected with glove cavity, there is cavity in the middle part of the mouth wall,
Air bag is provided with the cavity（22）.
4. a kind of controlled atmospheric packing bag as claimed in claim 3, its feature can also be：The air bag（22）Inside it is filled with inertia
Gas, the air bag（22）The size of interior air pressure is 142.13kPa.
5. a kind of controlled atmospheric packing bag as claimed in claim 4, it is characterised in that：The mouth wall is fabricated from a flexible material, described
Suction nozzle（2）Outer wall side has inclined-plane, and the inclined-plane has 65 ° of angles with horizontal direction.
6. a kind of controlled atmospheric packing bag as claimed in claim 5, it is characterised in that：The inlet channel（21）The diameter at middle part is small
Diameter in two ends, the inlet channel（21）The most narrow place in middle part is provided with gas block panel（23）, the gas block panel（23）One end is with entering
Gas passage（21）Side wall is flexibly connected, the gas block panel（23）Can be midpoint using tie point to lower swing, the gas block panel
（23）Length be more than inlet channel（21）Mid diameter.
7. a kind of controlled atmospheric packing bag as claimed in claim 6, it is characterised in that：The wrapping film（1）Surface is provided with cutting
Line（3）, the line of cut（3）By wrapping film（1）It is divided into two parts, the line of cut（3）By suction nozzle（2）, first
Outer wall（4）With the second outer wall（5）It is divided in a part.
8. a kind of controlled atmospheric packing bag as claimed in claim 7, it is characterised in that：Wrapping film（1）Upper film and lower film have
There is multilayer laminar structure, layered structure is followed successively by waterproof layer from top to bottom（11）, light shield layer（12）, thermal insulation layer（13）And cause
Close layer（14）, the compacted zone of the upper film is connected with the compacted zone of lower film, and first outer wall and the second outer wall are from top to bottom only
It is made up of waterproof layer and thermal insulation layer.
9. a kind of controlled atmospheric packing bag as claimed in claim 8, it is characterised in that：The waterproof layer（11）Thickness be 17.4 μ
M, the light shield layer（12）Thickness be 240nm, the thermal insulation layer（13）Thickness be 2.7mm, the compacted zone（14）Thickness
Spend for 50.3 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621050471.4U CN206590336U (en) | 2016-09-13 | 2016-09-13 | A kind of controlled atmospheric packing bag |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621050471.4U CN206590336U (en) | 2016-09-13 | 2016-09-13 | A kind of controlled atmospheric packing bag |
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| CN206590336U true CN206590336U (en) | 2017-10-27 |
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| CN201621050471.4U Expired - Fee Related CN206590336U (en) | 2016-09-13 | 2016-09-13 | A kind of controlled atmospheric packing bag |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106241061A (en) * | 2016-09-13 | 2016-12-21 | 成都创慧科达科技有限公司 | A kind of controlled atmospheric packing bag |
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2016
- 2016-09-13 CN CN201621050471.4U patent/CN206590336U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106241061A (en) * | 2016-09-13 | 2016-12-21 | 成都创慧科达科技有限公司 | A kind of controlled atmospheric packing bag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hong Zhijian Inventor after: Shen Mengzhen Inventor after: Zhang Qianjin Inventor before: Xie Min |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180125 Address after: Tantou Village Industrial Park of Wenchang town of Chunan County, Hangzhou City, Zhejiang Province, No. 6 311705 Patentee after: Hangzhou Feng Li Packing Co., Ltd. Address before: Wuhou District road Chengdu City, Sichuan province 610041 No. 64 1 floor Patentee before: Chengdu Chuanghui Kodak technology Co. Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171027 Termination date: 20200913 |