CN104925378B - A kind of air-packing device with multi-buffer - Google Patents

A kind of air-packing device with multi-buffer Download PDF

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Publication number
CN104925378B
CN104925378B CN201510243667.9A CN201510243667A CN104925378B CN 104925378 B CN104925378 B CN 104925378B CN 201510243667 A CN201510243667 A CN 201510243667A CN 104925378 B CN104925378 B CN 104925378B
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air chamber
packing
air
sealed air
sealed
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CN104925378A (en
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张嘉盈
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Shanghai Air-Paq Packaging Technology Development Co Ltd
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Shanghai Air-Paq Packaging Technology Development Co Ltd
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Abstract

A kind of air-packing device with multi-buffer, it seals and formed the volumetric packaging body of a salable air through a series of thermoplastics by least two layers thermoplastic film, it includes multiple independent sealed air chamber and main channel, each sealed air chamber passes through the check valve being made up of at least double-layer filmses and main channel UNICOM, be provided with sealed air chamber it is multiple apart from one another by break, package body is divided into main supporting surface and side loading end along the length direction arrangement of sealed air chamber by the break line of break formation, the diameter of the sealed air chamber of the center section of main supporting surface is less than the diameter of the sealed air chamber of both sides, so that the height of the sealed air chamber of the both sides of main supporting surface is more than the height of the sealed air chamber of the center section of main supporting surface after inflation, wherein when air-packing device is impacted, the first contact impact face of the sealed air chamber of the both sides of main supporting surface is acted on providing first-level buffer, then the sealed air chamber of the center section of main supporting surface contacts the striking face to provide level 2 buffering effect again.

Description

A kind of air-packing device with multi-buffer
Technical field
The three-dimensional aeroseal packing device of self-adhering (check valve) Technology design production is the present invention relates to the use of, should Device can be used in electronic product, glassware, precision instrumentation, handicraft, printing consumables etc. preciousness fragile article and Safeguard protection performance requires higher various fields.The present invention is a kind of with anti-extrusion, anti-vibration, sealed damp-proof, drop resistant Fall and buffer etc. the novel environment friendly packaging material of integrated protection performance, can as the protection in transportation as article, fill out Fill, the part of article or the partiting pad of significant points and the comprehensive buffering package of article or sale is directly used in by printing Use outer packing.
Background technology
The trend of globalization of enterprise makes transportation range of the product from grown place to area of consumption increasingly increase, and causes for transport During protective packaging demand it is also simultaneously fast-developing.Traditional expanded polystyrene (EPS) (EPS) and polyethylene foams (EPE) based article in manufacturer's foaming or must can just be shipped to user after working process and use, after shaping The bulky very inconvenient transport and storage of foamed plastics.The foam-in-place class material for transporting and developing for convenience is mainly Using polyurethane foam article, expanded beside content and form protection model.But, the price of material is of a relatively high And be not suitable for large-scale pipeline production on worker efficiency and working strength requirement while there are certain requirements to the equipment at scene The inner packing of product such as electronic product.Meanwhile, many drawbacks day of expanded polystyrene (EPS) (EPS) based article are aobvious serious, have become What people all disliked " white pollution ".The relative buffer product in transit link short-period used, permanent polyphenyl blister pack Offal treatment carrys out severe contamination to environment bag.Burning produces toxic gas, and heap buried produces geologic structure because that can not corrode Destruction.The concern of government and consumer's environmental pollution will limit to the development of such product in recent years.Meanwhile, mesh The packaging material of preceding in the market is almost without without being bound by packaging material, bulky influence, cost of transportation cause these materials in itself Can only closely it sell, so that scale and benefit can not be formed.
With the fast development of soft-plastic material, increasing industry is set to benefit what is come with this material property institute bag Design and the expansion of function.Traditional gas flush packaging generally forms simple round dot (BUBBLE WRAP, gas using hot sealing process Bubble pad), it is block or cylindric.Bubble cushion can also be by being packaged as web transport, but other shapes product must be using existing Complicated heat-seal equipment is installed to form air bag in field.Because the protecting effect and shape-variable of such product are limited, it is possible to The field used is generally that pad or filling space are used.Simultaneously as the use of material and the unstability of hot sealing process cause to protect The gas time is not very long.Therefore, come to have limited to the packaging production development for using air as buffer medium always for a long time.
Walker (1981) Official Gazette of the United State's Patent Office 4191211 in document, Koyanagi (1987) Official Gazette of the United State's Patent Office 4708167 valve bodies all on the books for utilizing soft-plastic material to be made simultaneously are made such as water with reference to such as plastic sheeting or rubber type of material is used for The products such as bag, coffee bag, balloon toy.The into or out passage of air but resistance can be provided by this simple soft modeling structure The only seepage or entrance of liquid or gas, fluid can be stored or can exclude the storage space of air by forming one.In this theory On the basis of, it can be used for different fields such as life vest and using different materials for preserving the sealing device of fluid, such as ball Courage.2005, Fu Jingfang existed《Packaging Engineering》And Liu Gong etc. exists《Packaging and food machinery》The correlation that magazine is delivered utilizes air It is that the invention provides good theoretical foundation as the feasibility study of buffering
It is empty that Chinese patent application 200510025833.4 disclosed in 22 days November in 2006 discloses a kind of self binding film non return Gas bag package material and its manufacture method, the invention are related to a kind of self-adhesive nonreturn air package material and its manufacture method, the bag Package material is made up of four layers of plastic sheeting, by local heat sealing adhesive, and the space of air can be deposited by forming one, using film certainly The viscosity of body and the effect of air pressure, make air to run and spill, and the preservation in the space persistently, and air and film are common It is same to constitute a kind of self-adhesive nonreturn air package material with functions such as vibration resistance, anti-extrusion, protection against the tide.
Chinese patent application 200580016507.5 disclosed in 21 days November in 2007 discloses a kind of with rushing for improving Hit the structure of the air-packing device of absorbent properties, the device have improve it is shock absorbing capability, for protective container case In product air-packing device.The air-packing device includes:First and second plastic sheetings, they are in pre-position It is glued so as to produce multiple air chambers, each air vessel has the connected air chambers of multiple concatenations;Corresponding air is arranged on to hold The porch of device, multiple check valves for making compressed air be flowed along forward direction;Publicly connect with the multiple check valve The air intake connect;Form the heat-seal flanges on the lateral edges of air-packing device.By post heat-seal treatment, the air holds Predetermined point and heat-seal flanges on device are bonded together, so as to when air-packing device is charged compressed air, produce tool There is the cushion part in the container portion and the supporting container portion for packaging the product in opening therein.
Packing device described in above-mentioned patent applies generally to the packaging of flat articles, and packaging is completed after inflation, forms two The pressure that each place is born on individual big main load plane, loading end is also essentially identical, when packaged object falls, and owns Air chamber is equivalent to uniform plane stress.The power that the structure design of for square type and very thin product can bear but is not flat , it is most fragile such as liquid crystal panel in the middle of its plane.If uniform stressed, the middle part of plane can bear after object falls Reaction force it is relatively minimal, so the buffering effect of uniform stressed is poor, easily cause local damage.Increasing gas need to typically be taken Room diameter strengthens overall buffering effect, but so increases the overall volume after packaging again, so as to increase cost of transportation.
The content of the invention
To solve the above problems, the present invention provides a kind of air-packing device with multi-buffer.
To achieve the above object, the present invention is adopted the following technical scheme that:
A kind of air-packing device with multi-buffer, forming one through second heat plastic packaging by two layers of thermoplastic film can There is an air inlet volumetric packaging body of seal gas, including multiple independent sealed air chamber and main channel, main channel, each sealing Air chamber is provided with break, the folding of break formation by the check valve that is made up of double-layer filmses and main channel UNICOM in sealed air chamber Package body is divided into main supporting surface and side loading end by dotted line, it is characterised in that the sealed air chamber of the main supporting surface formed after inflation Center section diameter be less than both sides diameter.
These, it is preferred to, the packing device is rectangular bag of one end open.
These, it is preferred to, sealed air chamber's separator bar of the center section of the main supporting surface formed after inflation is enclosed area.
These, it is preferred to, sealed air chamber's separator bar of the center section of the side loading end formed after inflation is enclosed area.
These, it is preferred to, enclosed area is set in the sealed air chamber of the center section of the main supporting surface formed after inflation.
These, it is preferred to, enclosed area is set in the sealed air chamber of the center section of the side loading end formed after inflation.
These, it is preferred to, the enclosed area is pencil shape, rectangle, the oval or oval flute profile that two is fined away.
These, it is preferred to, the circular arc break line of the break formation bracket shape at side loading end two ends,
These, it is preferred to, the projection of protrusion in the middle of oriented is set between the break in the sideline of the upper and lower ends of side loading end.
These, it is preferred to, secondary hot-sealing line is formed to centre protrusion in the center section diameter smaller part of sealed air chamber Projection.
These, it is preferred to, it is described raised to be trapezoidal,
These, it is preferred to, it is identical with sealed air chamber direction that the air inlet is set, perpendicular to main channel, air inlet Using the mode of printing of check valve, it is put into after packing material, increases blockade line at rectangular aperture, packing material is fully sealed.
These, it is preferred to, the air-packing device is made up of lucifuge material.
The air-packing device of the present invention, wrapper packaged is completed, and multiple loading ends are formed after inflation, in main supporting surface and The height of the middle part air chamber of the side loading end of surrounding is less than the height of two ends air chamber, when the packing material landing with packing device, When being hit, high air chamber first contacts ground, produces first-level buffer, reduces the speed of the whereabouts of packing material, then middle part Relatively low air chamber contacts ground again, produces second and buffers, greatly reduces the shock of packing material, improve collision performance, phase The packing device of same volume, collision performance is greatly increased.
By the way that transport space and cost can be lowered significantly using the method for live straight forming so as to solve bag in user The problem of package material long-distance transportation cost is too high.Make product unused preceding complete using soft-plastic material and by prefabricated design It is smooth, make this quick material, stereo shaping using air when user uses and safeguard structure is formed around product that need to protect.With Prior art is compared, and there is air-isolated packing material of the invention anti-extrusion, anti-vibration, drop resistant to fall and buffer etc. excellent comprehensive Close barrier propterty, can as article filling wrapper, the part of article or the partiting pad of significant points and article full side The outer packing of position is used.
Brief description of the drawings
Fig. 1 is the schematic diagram before the not secondary heat-sealing of embodiment one of air-packing device of the present invention with multi-buffer;
Fig. 2 is to show secondary hot-sealing line in the schematic diagram of the secondary heat-sealings of Fig. 1, figure;
Fig. 3 is that the air-packing device shown in Fig. 2 packages the elevational schematic after object;
Fig. 4 is the schematic diagram before the not secondary heat-sealing of embodiment two of air-packing device of the present invention with multi-buffer;
Fig. 5 is the schematic diagram before the not secondary heat-sealing of embodiment three of air-packing device of the present invention with multi-buffer;
Fig. 6 is the schematic diagram before the not secondary heat-sealing of example IV of air-packing device of the present invention with multi-buffer;
Fig. 7 is the schematic diagram before the not secondary heat-sealing of embodiment five of air-packing device of the present invention with multi-buffer;
Fig. 8 is the schematic diagram of hermetically sealed embodiment.
Embodiment
The air-packing device with multi-buffer of the present invention is made into one with reference to the accompanying drawings and detailed description The description of step.
Once heat-sealing refers to seal two layers of thermoplastic film and check valve through thermoplastic and the plane of air can be deposited by forming one The process of bag, secondary heat-sealing refers to that thermoplastic seals and to be formed and can held again along secondary hot-sealing line after the semi-finished product after once sealing are folded Receive object stereoscopic bag process.
Shown in Fig. 1 is the embodiment one of the air-packing device with multi-buffer of the present invention without secondary heat-sealing Preceding schematic diagram, shown in two-wire is that the hot-sealing line formed is once sealed by grinding tool.As indicated in the figures by an arrow, air is through air inlet Mouth 1, into main channel 2, is then provided with check valve (in figure not through entering the porch of each sealed air chamber 3, sealed air chamber 3 Show), air is sealed in sealed air chamber 3.As Figure 1-3, the break line that Fig. 1 is formed along break 5 is divided into A, B, C With tetra- areas of D, after being sealed after Fig. 1 semi-finished product doubling once sealed along the secondary hot-sealing line 8 shown in Fig. 2, one is formed Individual complete air-packing device, packing material 100 is put into packing device as shown in figure 3, B and D areas form two main supporting surfaces. With reference to Fig. 1, main supporting surface B areas are as D areas size, and form is identical, symmetrical along C areas center line.B areas left and right ends are symmetrical gas Hot-sealing line of three sealed air chamber in centre in the middle part of room, B areas be enclosed area 6, shape such as two sharpening pencil, thus The diameter of sealed air chamber is reduced, two hot-sealing lines of both sides protrude to middle part above and below area middle part, equally, also reduce The diameter of sealed air chamber.D plot structures are identical with B areas.C areas are side loading end, similar with B areas, one of 5 air chambers in the middle of it Secondary hot-sealing line is the enclosed area for the pencil that shape such as two is fined away, so that sealed air chamber's diameter in C areas be reduced;The break 5 in C areas Link up to form two arcs into bracket shape, formed between the break of an outermost hot-sealing line to middle part protrude it is trapezoidal Seal area 7, so, after inflation, C areas form the narrow shape in both sides above and below middle height, can be by the both sides card of packing material 100 Tightly, it is ensured that object not play in packing device, meanwhile, the trapezoidal seal area 7 in both sides can both reduce the diameter of sealed air chamber, together When, packing device easy bending after inflating is made again.The middle part of secondary hot-sealing line 8, that is, the sealed air chamber of main supporting surface are smaller Position at design it is oriented in the middle of protrusion trapezoidal 9, so, packaging can be made further from the built-in packing material of two ends clamping Thing is hanging in left and right directions, so as to strengthen shock-absorbing capacity, forms multi-buffer.Packaging is finished after inflation, is just formed shown in Fig. 3 The high form in low two ends in the middle of main supporting surface.When object falls, and main supporting surface is impacted, main supporting surface both sides first contact ground Hit, after buffering, reduce falling speed, then center section just lands, then by once buffering, so significantly Buffering effect is added, packing material is preferably protected.
Be shown in Fig. 4 the present invention the air-packing device with multi-buffer embodiment two before not secondary heat-sealing Schematic diagram.Two sidelines 21 and middle sealed air chamber's separator bar 23 are essentially straight up and down, separate in all sealed air chamber The center section on line 23, between the break 25 in C areas and B and D areas is provided with the closing for the pencil for being shaped as two sharpening Area 26, the break line of the formation of break 25 at C areas two ends is straight line, sets and is protruded in the middle of oriented on upper lower sideline 21, between break Trapezoidal seal area 27.The diameter of sealed air chamber is equally reduced using enclosed area 26, the setting of trapezoidal seal area 27 makes inflation Packing device bending afterwards is easier.The embodiment can equally realize the effect shown in Fig. 3 by similar Fig. 2 secondary seal Really.
Be shown in Fig. 5 the present invention the air-packing device with multi-buffer embodiment three before not secondary heat-sealing Schematic diagram.Difference with Fig. 4 embodiment two is, the enclosed area 36 on sealed air chamber's separator bar is shaped as ellipse, on Trapezoidal raised 37 of protrusion in the middle of oriented are set between the C areas break on lower sideline 31.Sealing is equally reduced using enclosed area 36 The diameter of air chamber, trapezoidal raised 37 setting is easier the bending of the packing device after inflation.The embodiment passes through similar Fig. 2's Secondary seal, can equally realize the effect shown in Fig. 3.
Be shown in Fig. 6 the present invention the air-packing device with multi-buffer example IV before not secondary heat-sealing Schematic diagram.Difference with the embodiment shown in Fig. 4 is that the sideline 41 of upper and lower ends is straight line;Sealing in the middle part of D areas and B areas Area 46 is rectangle;And in C areas, air chamber separator bar is that rectangular seal area 40 is set in the middle of straight line, the air chamber between break, form lonely Island.Equally reduce the diameter of sealed air chamber using enclosed area 46 and 40, the embodiment is by similar Fig. 2 secondary seal, together Sample can realize the effect shown in Fig. 3.
Be shown in Fig. 7 the present invention the air-packing device with multi-buffer embodiment five before not secondary heat-sealing Schematic diagram.Upper and lower ends sideline 51 and middle sealed air chamber's separator bar 53 are straight line, are set in the middle part of the air chamber in B areas and D areas The seal area 50 of similar isolated island is equipped with, seal area is oval flute profile, so that the diameter of the air chamber at seal area is reduced, C areas The break line of the formation of break 55 is two symmetrically intersecting camber lines.The diameter of sealed air chamber is equally reduced using enclosed area 50, should Embodiment can equally realize the effect shown in Fig. 3 by similar Fig. 2 secondary seal.So, packing device after inflation, C Area forms the narrow shape in both sides above and below middle height, can be by the bilaterally-chucked of packing material 100, it is ensured that object in packing device not Play, meanwhile, the intersecting break line of symmetrical camber line makes packing device easy bending after inflating.
The air inlet of embodiment shown in Fig. 7 is identical with the airintake direction of check valve and sealed air chamber on right side, check valve As processing mode of the prior art, air inlet is opened in right side, can equally use the processing mode such as check valve, air inlet Second heat is honored as a queen at mouthful, be can guarantee that air inlet is not enclosed, is thus met the packaging need for the product that some needs are fully sealed Will, as shown in figure 8, being honored as a queen to form air-packing device by two second heats of secondary seal line 88 up and down, load packing material After 100, it is again sealed off at the sealing line 80 on right side, packing material is entirely sealed in packing device, inputted by air inlet Gas, you can, such as Fig. 3.
Meanwhile, air-packing device in above-described embodiment can use the special material of 100% lucifuge, allow packed article Product are in multiple directions formation multi-buffer effect, while solving particular/special requirement of some industries to the lucifuge performance of product.
A plastic packaging line and break for above-mentioned all embodiments is once sealed using grinding tool and formed, and has fully ensured that each The accuracy of line and seal area and break.
Using above invention design technology project, can produce the functional packing materials of all kinds of shapes for example lucifuge, waterproof, Moistureproof, anti-wear, drop resistant, antidetonation, such as hermetic bag, U-shaped bag various product.Meanwhile, by using the characteristic of plastic sheeting Other functions such as antistatic, conduction, antidetonation buffering, wear-resistant, corrosion-resistant, rust-proofing, printable etc. can be provided.Present invention design area Not with the past traditional method for preventing air seepage, without other addition external auxiliary device, rely solely on by special place A series of inside and outside functional resin film of reason, by simple local heat-seal bonds, so that it may so that air is stored in for a long time In a closed space, using this principle, functional form self-adhesive film air block volumetric packaging material can be produced A series of Related products and derived product.Any shape by changing heat-sealing, the mode of folding, the specification of heat-sealing, position Put or the profile and function of product is changed by different cuttings and the selection of different plastic sheeting characteristics, as long as The object of the invention can be reached, scope of the invention is come under.
According to the embodiment of invention the present invention is described property and nonrestrictive description, it should be appreciated that not In the case of departing from relevant scope defined by the claims, those skilled in the art can make change and/or Modification.

Claims (19)

1. a kind of air-packing device, it is characterised in that the air-packing device is by least two layers thermoplastic film through a series of Thermoplastic seals and formed the volumetric packaging body of a salable air, and it includes multiple independent sealed air chamber and main channel, described There is an air inlet main channel, and each sealed air chamber is joined by the check valve being made up of at least double-layer filmses with the main channel It is logical, be provided with the sealed air chamber it is multiple apart from one another by break, package body is divided into main carrying by the break line of break formation Face and side loading end, to provide air cushioning effect respectively, wherein the break formation bracket shape at the side loading end two ends Break line so that the side loading end forms the narrow shape in both sides above and below middle height, so that thing bilaterally-chucked to be packaged is anti- Only its play in the air-packing device.
2. air-packing device as claimed in claim 1, wherein the break line is in circular arc.
3. air-packing device as claimed in claim 1 or 2, wherein the break line at the side loading end two ends is symmetrically Arrangement.
4. a kind of air-packing device, it is characterised in that the air-packing device is by least two layers thermoplastic film through a series of Thermoplastic seals and formed the volumetric packaging body of a salable air, and it includes multiple independent sealed air chamber and main channel, described There is an air inlet main channel, and each sealed air chamber is joined by the check valve being made up of at least double-layer filmses with the main channel It is logical, be provided with the sealed air chamber it is multiple apart from one another by break, package body is divided into along institute by the break line of break formation State the main supporting surface and side loading end of the length direction arrangement of sealed air chamber, the sealed air chamber of the center section of the main supporting surface Diameter be less than both sides sealed air chamber diameter so that inflation after the main supporting surface both sides sealed air chamber height it is big In the height of the sealed air chamber of the center section of the main supporting surface, wherein when the air-packing device is impacted, it is described The first contact impact face of the sealed air chamber of the both sides of main supporting surface is acted on providing first-level buffer, then the centre of the main supporting surface Partial sealed air chamber contacts the striking face to provide level 2 buffering effect again.
5. air-packing device as claimed in claim 4, wherein the center section of the main supporting surface formed after inflation Separator bar between adjacent two sealed air chamber of sealed air chamber is enclosed area, and the area of the enclosed area is more than the main supporting surface Both sides sealed air chamber between separator bar area.
6. air-packing device as claimed in claim 4, wherein the center section of the side loading end formed after inflation Separator bar between adjacent two sealed air chamber of sealed air chamber is enclosed area, and the area of the enclosed area is more than the side loading end Both sides sealed air chamber between separator bar area.
7. air-packing device as claimed in claim 5, wherein the center section of the side loading end formed after inflation Separator bar between adjacent two sealed air chamber of sealed air chamber is enclosed area, and the area of the enclosed area is more than the side loading end Both sides sealed air chamber between separator bar area.
8. the air-packing device as described in any in claim 4 to 7, wherein the enclosed area is the pencil that two is fined away Shape, rectangle or oval flute profile.
9. above and below the air-packing device as described in any in claim 4 to 7, the side loading end formed after inflation The projection of protrusion in the middle of oriented is set on the sideline at two ends, between the break.
10. the air-packing device as described in any in claim 4 to 7, wherein secondary hot-sealing line is in the main supporting surface Middle position forms the projection to centre protrusion.
11. air-packing device as claimed in claim 10, wherein the projection is trapezoidal.
12. the air-packing device as described in any in claim 4 to 7, wherein the air-packing device forms rectangular bag.
13. a kind of air-packing device, it is characterised in that the air-packing device is through one by least two layers thermoplastic film Row thermoplastic seals and formed the volumetric packaging body of a salable air, and it includes multiple independent sealed air chamber and main channel, institute Stating main channel has an air inlet, and each sealed air chamber passes through the check valve being made up of at least double-layer filmses and the main channel UNICOM, after a series of heat-sealings and bending, the volumetric packaging body forms multiple loading ends after inflation, to provide multiple sides To air cushioning effect, wherein at least one layer of thermoplastic film is that integrally formed feature is thin in the thermoplastic film Film, wherein the thermoplastic film is lucifuge film, waterproofing membrane, moisture-proof film, anti-wear film, antistatic film, conductive thin Film, etching resistant film, rust-proofing film or printable film.
14. air-packing device as claimed in claim 13, wherein the thermoplastic film is made up of lucifuge thin-film material, so that Lucifuge effect is provided.
15. the air-packing device as described in any in claim 13 to 14, wherein being provided with the sealed air chamber multiple mutual Multiple loading ends of package body are divided into the length along the sealed air chamber by break separately, the break line of break formation The main supporting surface and side loading end of direction arrangement are spent, the diameter of the sealed air chamber of the center section of the main supporting surface is less than both sides Sealed air chamber diameter so that inflation after the main supporting surface both sides sealed air chamber height be more than the main supporting surface Center section sealed air chamber height, wherein when the air-packing device is impacted, the both sides of the main supporting surface The first contact impact face of sealed air chamber to provide first-level buffer effect, the then sealed air chamber of the center section of the main supporting surface The striking face is contacted again to provide level 2 buffering effect.
16. air-packing device as claimed in claim 15, wherein the center section of the main supporting surface formed after inflation Sealed air chamber adjacent two sealed air chamber between separator bar be enclosed area, the area of the enclosed area is more than the main carrying The area of separator bar between the sealed air chamber of the both sides in face.
17. air-packing device as claimed in claim 15, wherein the center section of the side loading end formed after inflation Sealed air chamber adjacent two sealed air chamber between separator bar be enclosed area, the area of the enclosed area is more than side carrying The area of separator bar between the sealed air chamber of the both sides in face.
18. air-packing device as claimed in claim 16, wherein the pencil shape that the enclosed area, which is two, fines away, rectangle or Oval flute profile.
19. air-packing device as claimed in claim 17, wherein the pencil shape that the enclosed area, which is two, fines away, rectangle or Oval flute profile.
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CN104724392B (en) * 2010-12-27 2017-11-07 上海艾尔贝包装科技发展有限公司 The air-packing bag and its manufacture method of a kind of five-layer structure
CN203865276U (en) * 2014-01-19 2014-10-08 上海艾尔贝包装科技发展有限公司 Air package bag with subpackaging layer
CN204548902U (en) * 2015-01-23 2015-08-12 格域包装科技(昆山)有限公司 A kind of buffering gas flushing pouch
KR101752101B1 (en) * 2016-09-13 2017-06-30 김호칠 St. thermal insulation and storage method for producing improved packaging sheet
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