CN101992893B - A kind of air-packing device and using method thereof with transverse air valves - Google Patents
A kind of air-packing device and using method thereof with transverse air valves Download PDFInfo
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- CN101992893B CN101992893B CN200910056483.6A CN200910056483A CN101992893B CN 101992893 B CN101992893 B CN 101992893B CN 200910056483 A CN200910056483 A CN 200910056483A CN 101992893 B CN101992893 B CN 101992893B
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Abstract
A kind of air-packing device with transverse air valves, formed the volumetric packaging body of a salable air through second heat plastic packaging by two-layer thermoplastic film, comprise multiple independently sealed air chamber and main channel, there is an admission port main channel, each sealed air chamber is by the check valve inlet at the admission port potted line place of check valve that is made up of two layers of unidirectional valve film and main channel UNICOM, one-way valved outlet place has multiple outlet preset, described one-way valved outlet preset is the straight line be interrupted, and the breakpoint in the middle of straight line provides outlet passageway for each check valve.Air-packing device of the present invention, on the one hand, owing to have employed transverse air valves, the height of check valve film can be shortened, greatly save the cost of check valve film, simultaneously, transverse air valves highly versatile, the packing device of the air chamber of multiple width can use a set of check valve mould, does not resemble common check valve, a kind of mould to be used according to air chamber diameter correspondence, thus decrease the cost of mould.
Description
Technical field
The present invention relates to the three-dimensional aeroseal packing device utilizing self-adhering (check valve) technical design to produce; this device can be used in electronic product; glass ware; precision instrumentation; workmanship, the precious fragile such as printing consumables and safety guard-safeguard performance require higher various fields.The present invention be a kind of there is anti-extrusion, anti-vibration, sealed damp-proof, anti-falling fall and the novel environment friendly packing of the integrated protection performance such as buffering, can as the protection as article in transportation, filling, the local of article or the partiting pad of significant points and the omnibearing buffering package of article or be directly used in sale external packing by printing.
Background technology
The trend of globalization of enterprise makes the transportation range of product from grown place to area of consumption day by day strengthen, and causes for the protective packaging demand in transportation also simultaneously fast-developing.Traditional polystyrene foamed (EPS) and polyethylene foams (EPE) based article just must can be transported to user's use, the bulky very inconvenient transport of the foamed plastic after shaping and storage at manufacturer's foaming or after processing process.Conveniently to transport and the foaming in place class material developed mainly utilizes polyurethane foam article, expand on content side and form protection model.But the price of material is relatively high and have certain requirements to the equipment at scene and simultaneously require to be not suitable for the inner packing of large-scale pipeline product as electronic product worker efficiency and working strength.Meanwhile, many drawback days of polystyrene foamed (EPS) based article are aobvious serious, become for people all dislike " white pollution ".Relatively only at the buffer product of transit link short-period used, the offal treatment of permanent polyphenyl blister pack carrys out gross pollution to environment bag.Burning produces noxious gas, and heap buried produces the destruction of geologic framework because not corroding.The concern of government and customer's environmental pollution in recent years will limit to the development of this series products.Meanwhile, packing in the market are almost limited by the bulky impact of packing itself invariably, traffic cost makes these materials closely to sell, thus cannot form scale and benefit.
Along with the fast development of soft-plastic material, the design increasing industry being benefited come with this material behavior institute bag and the expansion of function.Traditional gas flush packaging utilizes hot sealing process to form simple round dot (BUBBLE WRAP, bubble cushion), bulk or cylindric usually.Bubble cushion can also by being packaged as web transport, but other shapes must form air bag using the heat-seal equipment of in-site installation complexity.Because the protected effect of this series products and shape-variable limited, use so operable field mostly is pad or filling space.Meanwhile, because the use of material and the fugitiveness of hot sealing process cause guarantor's gas time not to be very long.Therefore, limited to for a long time always and utilize air to develop as the packaging product of buffer medium.
Official Gazette of the United State's Patent Office 4708167 of Walker (1981) Official Gazette of the United State's Patent Office 4191211, Koyanagi (1987) valve body utilizing soft-plastic material to make all on the books in document also combines for such as plastic sheeting or rubber type of material are made as products such as water bag, coffee bag, balloon toys.Simply softly moulded passage that structure can provide air to enter or discharge by this but stop the seepage of liquid or gas or enter, forming one can the storage space of store fluid or energy deaeration.On the basis of this theory, use different materials can be used for different fields as life jacket and be used for preserve fluid sealing arrangement, as bladders.2005, the relevant air that utilizes that Fu Jingfang delivers at " packaging and food machinery " magazine at " Packaging Engineering " and Liu Gong etc. as the feasibility study cushioned, for the invention provides good theoretical foundation.
Disclosed in 22 days November in 2006, Chinese patent application 200510025833.4 discloses a kind of self-adhesive nonreturn air package material and manufacture method thereof, this invention relates to a kind of self-adhesive nonreturn air package material and manufacture method thereof, these packing are made up of four layers of plastic sheeting, seal bonding through local, form the space that can be deposited air, utilize the viscosity of film self and the effect of air pressure, air can not be run spill, and the preservation lasting in this space, air and film jointly constitute one and have vibration resistance, anti-extrusion, the self-adhesive nonreturn air package material of the functions such as protection against the tide.
Chinese patent application 200580016507.5 disclosed in 21 days November in 2007 discloses a kind of structure with the air-packing device of the shock absorbing capability of improvement, this device have the shock absorbing capability of improvement, for the protection of the air-packing device of the product in container case.This air-packing device comprises: the first and second plastic sheetings, and they are in pre-position by bonding thus produce multiple air chamber, and each air vessel has the air chamber that multiple serial connection is connected; Be arranged on the entrance of corresponding air vessel, multiple check valves for making pressurized air flow along forward direction; The air intake be connected publicly with described multiple check valve; Be formed in the heat-seal flanges on the lateral edges of air-packing device.Pass through post heat-seal treatment, predetermined point on described air vessel and heat-seal flanges are bonded together, thus when air-packing device is charged pressurized air, produce the container part had for packaging the product in opening wherein and the cushion part supporting described container part.
The check valve (air valve) of the packing device described in above-mentioned patent is formed by the two-layer heat sealing film heat-sealing of two layers of unidirectional valve film with the belt body of its both sides, the schematic diagram of air-packing device before sealing without secondary of prior art as shown in Figure 1, air is through admission port 1, enter main channel 2, then through entering each sealed air chamber 4, the entrance of each sealed air chamber 4 is provided with check valve 3, and air is sealed in sealed air chamber 4.The check valve 3 of prior art is that in the middle of being clipped in the both sides up and down that form belt body larger thermoplastic film B1, B2 by double-layer films A1, A2, heat-sealing is formed, on admission port potted line 7, each check valve has admission port 6, and the bottom of check valve film A1 and A2 is by forming check valve outlet passageway after multiple outlet preset 5 part of similar smiling face (in the figure) heat-sealing.This is known technology in industry.
Fig. 2 is the schematic diagram at the check valve inlet place, upper end of check valve film A1 and A2, upper strata check valve film A1 and thermoplastic film B1 heat-sealing, lower floor check valve film A2 and thermoplastic film B2 heat-sealing, the both sides heat-sealing of check valve film A1 and A2, the middle admission port 6 forming check valve.Because this check valve is that four-level membrane heat-sealing is formed, main channel is formed by two-layer thermoplastic film, therefore, check valve and main channel can only be arranged on a side end of sealed air chamber 4, when doubling secondary plastic forms U-shaped cover, in order to pack normal inflation, the height of two legs of U-shaped cover is at least the height of a check valve, and be not for very large object for a lot of volume, the height of two legs of U-shaped cover gets final product meet requirements without the need to the height of a check valve, like this, we still adopt the invisible central problem producing excessive packaging of this packaging, simultaneously, add the cost of packaging, in addition, due to check valve and double-layer films A1, A2 is related, due to inequality of being bullied after inflation, the potential danger of leaking gas may be caused, in addition, because the outlet preset 5 of check valve is similar smiling face's shape, make the height of check valve substantially fixing.
Summary of the invention
For solving the problem, the invention provides a kind of air-packing device of transverse air valves, transverse air valves can be arranged on any position of sealed air chamber, meanwhile, after inflation not by any pulling force, thus greatly reduces the danger factor of product; Transverse air valves can shorten the height of check valve film in addition, greatly reduces cost, and, transverse air valves highly versatile, the packing device of multiple width air chamber can use a set of check valve mould, decreases the cost of mould, further reduces the productive costs of packing device.
For achieving the above object, the present invention adopts following technical scheme:
A kind of air-packing device with transverse air valves, formed the volumetric packaging body of a salable air through second heat plastic packaging by two-layer thermoplastic film, comprise multiple independently sealed air chamber and main channel, there is an admission port main channel, each sealed air chamber is by the check valve inlet at the admission port potted line place of check valve that is made up of two layers of unidirectional valve film and main channel UNICOM, one-way valved outlet place has multiple outlet preset, it is characterized in that, described one-way valved outlet preset is for being interrupted straight line, and the breakpoint in the middle of straight line provides outlet passageway for each check valve.
Wherein, preferably, described interruption straight line is length line segment alternately composition.
Wherein, preferably, described have two breakpoints in each sealed air chamber.
Wherein, preferably, export preset to be more than two and to be interrupted straight line and to be arranged in parallel.
Wherein, preferably, the interruption straight line alternative arrangement of described more than two, makes outlet passageway form S shape.
Wherein, preferably, also comprise the tangent line below check valve inlet potted line and the line that only overflows, described tangent line is on that layer of thermoplastic film forming check valve, for the line of cut be interrupted, the line that only overflows is positioned at below tangent line, that layer of above-mentioned thermoplastic film and adjacent check valve film is sealed, prevents the air be filled with from overflowing from tangent line.
Described check valve and the main channel of inflating for described check valve be to be enclosed in wherein one deck thermoplastic film thermoplastic of packaging body by double-layer films together with and formed, any position of sealed air chamber can be arranged on.
Wherein, preferably, described check valve and main channel are arranged on the middle part of sealed air chamber.
A kind of air-packing device with transverse air valves, formed the volumetric packaging body of a salable air through second heat plastic packaging by two-layer thermoplastic film, comprise multiple independently sealed air chamber and main channel, there is an admission port main channel, each sealed air chamber is by the check valve inlet at the admission port potted line place of check valve that is made up of two layers of unidirectional valve film and main channel UNICOM, one-way valved outlet place has multiple outlet preset, it is characterized in that, described one-way valved outlet preset is for being interrupted straight line, breakpoint in the middle of straight line provides outlet passageway for each check valve, after this air-packing device with transverse air valves completes inflation, main channel admission port is closed, to prevent the back flow of gas be filled with.
Air-packing device of the present invention, on the one hand, owing to have employed transverse air valves, the height of check valve film can be shortened, greatly save the cost of check valve film, meanwhile, transverse air valves highly versatile, the packing device of the air chamber of multiple width can use a set of check valve mould, do not resemble common check valve, a kind of mould to be used according to air chamber diameter correspondence, thus decrease the cost of mould, further reduce the productive costs of packing device; On the other hand, due to check valve and main channel be to be enclosed in wherein one deck thermoplastic film thermoplastic of packaging body by double-layer films together with and formed, it doesn't matter with another layer of thermoplastic film, therefore, can be arranged on any position of sealed air chamber; Meanwhile, because two layers of unidirectional valve film is only fixed on any layer thermoplastic film, after having inflated, check valve film has been fitted on this layer of thermoplastic film, does not bear any pulling force, therefore there is not the danger of tearing, and considerably increases the safety of packing device.
Greatly can lower transport space and cost by using the method for on-the-spot straight forming user thus solve the problem of packing long-distance transportation high cost.Utilize soft-plastic material and make product completely smooth before not using by prefabricated design, utilize when user uses air make this material fast, stereo shaping form fail-safe structure need protect around product.Compared with prior art, air-isolated packing material of the present invention has anti-extrusion, anti-vibration, anti-falling are fallen and integrated protection performance that buffering etc. is excellent, can as the filling wrapper of article, the local of article or the partiting pad of significant points and the omnibearing external packing of article are used.
Accompanying drawing explanation
Fig. 1 is the schematic diagram before the non-secondary heat-sealing of the air-packing device of prior art;
Fig. 2 is the schematic diagram at the check valve inlet plastic packaging line place in Fig. 1;
Fig. 3 is the schematic diagram before the non-secondary heat-sealing of an embodiment with the air-packing device of transverse air valves of the present invention;
Fig. 4 is the schematic diagram before the non-secondary heat-sealing of another embodiment with the air-packing device of transverse air valves of the present invention;
Fig. 5 is the schematic diagram before the non-secondary heat-sealing of the 3rd embodiment with the air-packing device of transverse air valves of the present invention;
Fig. 6 is the cutaway view along B-B line of the air-packing device of Fig. 5;
Fig. 7 is the enlarged diagram at the C place of the air-packing device of Fig. 6.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the air-packing device with transverse air valves of the present invention is further described.
Once heat-sealing refers to and two-layer thermoplastic film and check valve is formed through thermoplastic envelope the process that can be deposited the plane bag of air, after secondary heat-sealing refers to and is folded by the half-blank after once heat-sealing along secondary hot-sealing line again thermoplastic envelope form the process can holding the stereoscopic bag of object.
Fig. 3 is an embodiment with the air-packing device of transverse air valves of the present invention, be to which employs transverse air valves with the difference of the packing device of Fig. 1, as shown in Figure 3, one-way valved outlet preset 35a is long horizontal line section, preset 35b is short horizontal line section, and preset 35a and 35b is arranged alternately, and forms the interruption straight line 35 of a level, be interrupted the point of discontinuity of straight line 35 in each sealed air chamber and have two, can ensure that the time of air inlet can not be oversize like this.And 35, three, the interruption straight line interruption straight line that the present embodiment employs three parallel interval layouts is staggered, makes the point of discontinuity of interruption straight line be linked to be the outlet passageway of S shape, better sealing function can be played like this, prevent gas from oppositely overflowing from check valve.
Fig. 4 is an alternative embodiment of the invention, and the difference of the embodiment shown in itself and Fig. 3 is, employ four and be interrupted straight line, the preset 35a of length wherein and short preset 35b alignment, the outlet passageway that the point of discontinuity between preset is formed is straight line.
The 3rd embodiment of the present invention shown in Fig. 5-7, the difference of the embodiment shown in itself and Fig. 3 is, the check valve of transverse air valves is adopted to be arranged on the centre of air-packing device, check valve in figure is similar to shown in Fig. 2, difference is that two layers of unidirectional valve film is fixed therein heat-sealing on one deck thermoplastic film by hot-sealing line and preset to be formed, because this check valve is only connected with one deck thermoplastic film, as shown in Figures 6 and 7, the optional position of air-packing device therefore can be placed on.In addition, the tangent line 56 parallel with inflation inlet potted line 7 is also disposed with and the line 57 that only overflows below admission port potted line 7, tangent line 56 is the through tracks of the interruption of processing on the thermoplastic film B1 of upper strata by serrated knife, after packaging uses, can open easily at tangent line 56 place, to release the gas in packing device, the state before packing device being returned to do not use, is convenient to reclaim; Avoid client to cause the easy impaired potential threat of packed article, by package design hommization utilizing the sharp objects such as other cutters to bring to destroy packaging bag simultaneously.The line 57 that only overflows is the potted lines be fixed together by upper strata thermoplastic film B1 and check valve film A1, being located at the below of tangent line 56, overflowing for preventing being filled with the gas in packing device from the otch of tangent line 56.
Embodiment described in the invention, just preferred embodiment, check valve can be arranged on any position of the sealed air chamber of thermoplastic film, and quantity can be arranged according to required inflationtime situation.The distance of point of discontinuity can be arranged as required, should ensure that intake period obtains again good sealing effectiveness, the too little speed that can affect air inlet simultaneously, too conference increases the danger of gas leakage.
The length of preset 35a and 35b can be arranged according to actual needs, be interrupted straight line and also can adopt other, as other form such as irregular disorderly point or equal length preset etc., have two point of discontinuitys to be good in general warranty sealed air chamber, a point of discontinuity can make the time of inflation increase.Also plural point of discontinuity can be adopted.Be interrupted that the quantity of straight line also can be one, more than two or three, preferably three, being interrupted straight line can affect sealing effectiveness very little, easily make gas overflowing, be interrupted straight line and can increase friendship inflationtime too much, increase the length of check valve film simultaneously, increase unnecessary cost.
The packing device of non-secondary plastic is provided with inflection point as the case may be when a plastic packaging, comprises U-shaped be enclosed within interior various forms of air-packing devices by being formed after secondary plastic.
The air-packing device with transverse air valves of the present invention, there is a lot of advantages, but long-time use there will be the problem of gas overflowing after inflation, therefore, uses air-packing device of the present invention, put into packaging object need be packed, after completing inflation, the admission port in main channel can increase admission port potted line, is sealed completely by whole packing device, so both greatly can save the cost of packing device, and also can reach the long-time effect used simultaneously.
Utilize above invention design technology project, the functional packing material can producing all kinds of shape as lucifuge, waterproof, protection against the tide, anti-wear, anti-ly to fall, antidetonation, as the various product such as sealing bag, U-shaped bag.Meanwhile, by utilizing the characteristic of plastic sheeting that other function such as electrostatic prevention, conduction, antidetonation can be provided to cushion, resistance to wear, withstanding corrosion, rust-proofing, can to print.Design distinguished of the present invention and in the past traditional method preventing air seepage, external auxiliary device need not be added in addition, only rely on functional resin film inside and outside special processing, through a series of simple local heat-seal bond, just can make air for a long time stored in an airtight space, utilize this principle, a series of Related product and the derived product of functional form self-adhesive film air block volumetric packaging material can be produced.Any shape by changing heat-sealing, folding mode, the specification of heat-sealing, position or the profile of product and function are changed by different cuttings and selecting of different plastic sheeting characteristic, as long as the object of the invention can be reached, all belong to category of the present invention.
The nonrestrictive description according to inventive embodiment describing the present invention property, but should be understood that when not departing from relevant scope defined by the claims, those skilled in the art can make and changing and/or amendment.
Claims (7)
1. one kind has the air-packing device of transverse air valves, formed the volumetric packaging body of a salable air through second heat plastic packaging by two-layer thermoplastic film, comprise multiple independently sealed air chamber and main channel, there is an admission port main channel, each sealed air chamber is by the check valve inlet at the admission port potted line place of check valve that is made up of two layers of unidirectional valve film and main channel UNICOM, one-way valved outlet place has multiple outlet preset, it is characterized in that, described one-way valved outlet preset is more than two the interruption straight lines be arranged in parallel, breakpoint in the middle of straight line provides outlet passageway for each check valve, wherein said air-packing device also comprises the tangent line below check valve inlet potted line and the line that only overflows, described tangent line is formed on that layer of thermoplastic film of check valve, for the line of cut be interrupted, the line that only overflows is positioned at below tangent line, that layer of above-mentioned thermoplastic film and adjacent check valve film are sealed, prevent the air be filled with from overflowing from tangent line.
2. the air-packing device with transverse air valves according to claim 1, is characterized in that, described interruption straight line is length line segment alternately composition.
3. the air-packing device with transverse air valves according to claim 1 and 2, is characterized in that, has two breakpoints in each sealed air chamber.
4. the air-packing device with transverse air valves according to claim 1, is characterized in that, the interruption straight line alternative arrangement of described more than two, makes outlet passageway form S shape.
5. the air-packing device with transverse air valves according to claim 1 and 2, it is characterized in that, described check valve and the main channel of inflating for described check valve be to be enclosed in wherein one deck thermoplastic film thermoplastic of packaging body by double-layer films together with and formed, any position of sealed air chamber can be arranged on.
6. one kind has the using method of the air-packing device of transverse air valves, this air-packing device is formed the volumetric packaging body of a salable air through second heat plastic packaging by two-layer thermoplastic film, comprise multiple independently sealed air chamber and main channel, there is an admission port main channel, each sealed air chamber is by the check valve inlet at the admission port potted line place of check valve that is made up of two layers of unidirectional valve film and main channel UNICOM, one-way valved outlet place has multiple outlet preset, it is characterized in that, described one-way valved outlet preset is the straight line be interrupted, breakpoint in the middle of straight line provides outlet passageway for each check valve, wherein said air-packing device also comprises the tangent line below check valve inlet potted line and the line that only overflows, described tangent line is formed on that layer of thermoplastic film of check valve, for the line of cut be interrupted, the line that only overflows is positioned at below tangent line, that layer of above-mentioned thermoplastic film and adjacent check valve film are sealed, prevent the air be filled with from overflowing from tangent line.
7. the using method with the air-packing device of transverse air valves according to claim 6, it is characterized in that, described check valve and the main channel of inflating for described check valve be to be enclosed in wherein one deck thermoplastic film thermoplastic of packaging body by double-layer films together with and formed, any position of sealed air chamber can be arranged on.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910056483.6A CN101992893B (en) | 2009-08-14 | 2009-08-14 | A kind of air-packing device and using method thereof with transverse air valves |
| CN201510243666.4A CN104960772B (en) | 2009-08-14 | 2009-08-14 | A kind of air-packing device and its application method with transverse air valves |
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| CN200910056483.6A CN101992893B (en) | 2009-08-14 | 2009-08-14 | A kind of air-packing device and using method thereof with transverse air valves |
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| CN201510243666.4A Division CN104960772B (en) | 2009-08-14 | 2009-08-14 | A kind of air-packing device and its application method with transverse air valves |
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| CN101992893B true CN101992893B (en) | 2015-08-12 |
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| CN200910056483.6A Active CN101992893B (en) | 2009-08-14 | 2009-08-14 | A kind of air-packing device and using method thereof with transverse air valves |
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| CN105083761A (en) * | 2014-11-21 | 2015-11-25 | 上海艾尔贝包装科技发展有限公司 | Automatic vending device for air packaging devices and method of automatic vending device |
| CN104943985A (en) * | 2015-05-12 | 2015-09-30 | 张少康 | Leakage-proof thin membrane air bag package pad and air bag formation method |
| CN109707879A (en) * | 2019-03-01 | 2019-05-03 | 天津茂创科技发展有限公司 | A kind of gas check valve and its application in gas chamber packaging structure |
| CN110116854A (en) * | 2019-06-05 | 2019-08-13 | 东莞市银滨实业有限公司 | A kind of box buffering box structure |
| CN113458910B (en) * | 2021-07-16 | 2022-08-19 | 中国科学院长春光学精密机械与物理研究所 | Polishing head and machine tool equipment adopting same |
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| JP2007238177A (en) * | 2006-03-03 | 2007-09-20 | Chian Hua Liao | Air seal with continuous pump, and its manufacturing method |
| CN201021385Y (en) * | 2006-08-01 | 2008-02-13 | 郑澄 | Charging cushion with air supply channel at the center |
| CN101367459A (en) * | 2008-09-24 | 2009-02-18 | 浙江阿信机械有限公司 | Inflatable packaging bag |
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| WO2003043901A1 (en) * | 2001-11-16 | 2003-05-30 | 3M Innovative Properties Company | One-way valve for inflatable package |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104960772B (en) | 2017-10-20 |
| CN101992893A (en) | 2011-03-30 |
| CN104960772A (en) | 2015-10-07 |
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Owner name: SHANGHAI AIERBEI PACKAGING TECHNOLOGY DEVELOPMENT Free format text: FORMER OWNER: SHANGHAI NILU INTERNATIONAL IMPORT + EXPORT CO., LTD. Effective date: 20121206 |
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Denomination of invention: An air packaging device with a transverse air valve and its usage method Granted publication date: 20150812 Pledgee: Bank of Shanghai Co.,Ltd. Jing'an Sub branch Pledgor: SHANGHAI AIR-PAQ COMPOSITE MATERIAL Co.,Ltd. Registration number: Y2024310000118 |
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