CN101525073B - Gas packing device - Google Patents

Abstract

The invention provides a gas packing device which has good shock absorption performance for protecting products in a vessel box. The gas packing device comprises a first plastic film and a second plastic film which are combined at a predetermined part and generate a plurality of air vessels, wherein, each air vessel is provided with a plurality of air chambers; a plurality of non-return valves which are arranged at an input part corresponding to the air vessels and results in that compressed air can only flow forward; an air input part which is communicated with the non-return valves and is combined with a predetermined edge part by a back thermal sealing processing to produce an internal space for packaging the products and an opening for the products to pass by and load in.

Description

Air-packing devices

The application be that November 4, application number in 2004 are 200410088398.5 the applying date, denomination of invention divides an application for the application for a patent for invention of " air-packing devices ".

[technical field]

The present invention relates to a kind of in order to the air-packing devices as packing.

[background technology]

In the dispensing path that transports just like product; The existing a very long time of foamed polystyrene body packing is used to packed goods and industrial products; Though these foamed polystyrene body packing have like good thermal insulation and lightweight advantage; But it also has multiple shortcoming, can not recycle this foamed polystyrene body exactly, when it burns, can produce black smoke, when it is squeezed, can have chip or fragment to drop because it is frangible, needs expensive mould when making, reach and need deposit it in great warehouse.

Therefore, in order to address these problems, more existing at present other packing and method, wherein a kind of method are one to include liquid hermetically or like the fluid container of the gas of air (below be called " air-packing devices ").

This air-packing devices has the excellent characteristics that can solve the problem that in the foamed polystyrene body, is taken place; At first; Because this air-packing devices is only to be processed by a plurality of thin plastic film,, otherwise do not need big warehouse to deposit it only if therefore this air-packing devices is at inflated condition.Secondly, need not use mould during manufacturing, because its structure is very simple.The 3rd, this air-packing devices can not produce and will produce dysgenic fragment or dirt bits to sophisticated product.Simultaneously, the film that forms this air-packing devices can use recyclable material.In addition, this air-packing devices can low-costly be made and transport with low cost.

Fig. 1 shows the example of structure of the air-packing devices in the technology formerly, and this air-packing devices 20 comprises a plurality of air vessels 22 and check (non-return) valve 24, a guiding channel 21 and an air input part 25.Be supplied to above-mentioned air vessel 22 by these air input part 25 inlet airs through this guiding channel 21 and above-mentioned check (non-return) valve 24, and this air-packing devices 20 is to be made up of two thermoplastic films that combine at calmodulin binding domain CaM 231 places.

Each air vessel 22 has a check (non-return) valve 24, and a wherein purpose that makes a plurality of air vessels have corresponding check (non-return) valve is to increase reliability, because each air vessel is mutually independently.Even if just wherein an air vessel leaks gas for a certain reason, then this air-packing devices still can be used as one in order to pack the shock-absorbing thing of this product, and is as excellent as before because other air vessel is still.

Fig. 2 is the planar view of air-packing devices 20 when its unaerated of Fig. 1, and shows in order to seal the calmodulin binding domain CaM of two thermoplastic films.The thermoplastic film of this air-packing devices 20 is to combine (heat-sealing) together at calmodulin binding domain CaM 231 places, and above-mentioned calmodulin binding domain CaM 231 has rectangular perimeter to seal this air-packing devices airtightly.The thermoplastic film of this air-packing devices 20 also combines at a plurality of calmodulin binding domain CaMs 232 places, and above-mentioned calmodulin binding domain CaM 232 is also for making the border of above-mentioned air vessel 22 air vessel 22 separated from each other airtightly.

When using this air-packing devices, each air vessel 22 is to be filled with from air input part 25 and through the air of this guiding channel 21 with this check (non-return) valve 24.After filling air, each air vessel 22 keeps expanding, because each check (non-return) valve 24 can't oppositely flow out air.This check (non-return) valve 24 normally combines by two and forms the rectangular thermoplastic valve films of an air pipe; And this air pipe have an end openings and can supply air to flow into towards the place ahead and by this end openings through this air pipe, but this valve body can't flow this air towards the rear.

Because aforementioned advantages, air-packing devices more and more receives an acclaim.In addition, more and more need deposit and transport at present sophisticated product or the article very responsive with impact to the vibrations that when transporting product, can suffer from usually.Simultaneously also need special the treatment, be given a shock, vibrate or other physical shocks avoiding just like bottle, DVD enlarging machine, musical instrument, glass or ceramic etc.Therefore, need and a kind ofly can cooperate the special shape of product and the air-packing devices of packaging said product easily.

[summary of the invention]

A purpose of the present invention provides a kind of air-packing devices in order to packing one product, can make mechanical shock or vibration to this product reduce to minimum.

Another object of the present invention provides a kind of air-packing devices, can prevent the air inversion in the air vessel of this air-packing devices reliably.

Another purpose of the present invention provides a kind of air-packing devices, and its check (non-return) valve can connect on arbitrary position of this air-packing devices, and this air-packing devices is inflated with low-down air pressure.

According to a kind of air-packing devices of the present invention; It is characterized in that it comprises: first and second thermoplastic film; First and second thermoplastic film is that stacked and predetermined portions this first and second thermoplastic film combines and forms a plurality of air vessels mutually; Again, each air vessel has a plurality of series connected energy chambers; A plurality of check (non-return) valves are arranged on the input part place of corresponding air vessel and are located between this first and second thermoplastic film, and this pressurized air can only be flowed towards preceding direction; An and air input part; Be commonly to be connected with these a plurality of check (non-return) valves; To see through this check (non-return) valve this pressurized air is supplied to all series connection energy chambers; And the predetermined edge of this air-packing devices is partially folded and interosculate, and to form packing of product inner space and is therein supplied the opening of this product through being written into.

Preferably, a air pipe in this check (non-return) valve is that the hermetic unit by a wherein thermoplastic film that is fixed in this first and second thermoplastic film forms, and wherein sealing partly comprises: one imports the intake section of this check (non-return) valve with air; The a pair of narrow part that contracts is generation one and the narrow passage that contracts of this intake section bonded assembly; One makes the extendible portion through the air shunting of this narrow passage that contracts; And a plurality ofly will import the exit portion in this air vessel from this extendible portion air.

Preferably, a plurality of reinforcement hermetic units are to form near this intake section, with wherein a combination thermoplastic film between of reinforcement at this check (non-return) valve and this first and second thermoplastic film.

Preferably, this check (non-return) valve comprises: a check (non-return) valve film be printed with the remover of predetermined pattern, and this check (non-return) valve symphysis is connected to a wherein thermoplastic film of this first and second thermoplastic film; One air intake is made up of the remover that is printed on this air-packing devices, and connects an air source; One air flow maze part has an outlet at this air flow maze part one end place, so that air is supplied to the corresponding air vessel with one or more series connection energy chamber by air by-pass passage; And have the blowing air duct portion altogether, be air to an air vessel to be provided and to have the air flow maze part of next air vessel of one or more series connection energy chamber by this air intake.

Wherein, in being printed with the scope of remover, can avoid preventing thermal between above-mentioned first and second thermoplastic film.

Preferably, this check (non-return) valve is formed in arbitrary desired location place of this air-packing devices, and wherein mobile to be filled in all energy chambers of connecting wherein in this air vessel with back two directions forward from the air of this check (non-return) valve.

Another film is arranged on wherein between the thermoplastic film of this check (non-return) valve film and above-mentioned first and second thermoplastic film.

Preferably, this check (non-return) valve is the arbitrary desired location place that is connected in this air-packing devices with a wherein thermoplastic film of this first and second thermoplastic film.

Preferably; When this air-packing devices was filled to an enough degree with this pressurized air, the air by-pass passage in this air flow maze part can make this check (non-return) valve contact airtightly and close with a wherein thermoplastic film of above-mentioned first and second thermoplastic film by the air pressure that is utilized in this energy chamber at least.

Preferably; When this air-packing devices was filled with the pressurized air of the enough force value of tool, the air by-pass passage in this air flow maze part can make another film of this check (non-return) valve and this contact airtightly and close by the air pressure that is utilized in this energy chamber at least.

Preferably, be to constitute in order to this opening that is written into this product by the two vertical institutes of holding that after this air-packing devices is folding, engage one another.

Preferably, be that reservations branch by the wherein lateral margin of this air-packing devices that in this post heat-seal treatment, can not be resealed constitutes in order to this opening that is written into this product.

Preferably, one have high-fire resistance film or coating be arranged on this wherein on the predetermined portions of a lateral margin to avoid this predetermined portions in this post heat-seal treatment, to be resealed.

Preferably, this air input part and these a plurality of check (non-return) valves are formed in an end place of this air-packing devices, and this moment, the air from this air input part was supplied to above-mentioned series connection energy chamber towards the other end of this air-packing devices through above-mentioned check (non-return) valve.

Preferably; Comprise a plurality of heat-sealings bonding land in order to the predetermined portions that combines this first and second thermoplastic film; And respectively seal around the central authorities that the bonding land is formed in this air vessel, and this heat-sealing bonding land is the folding point when this air-packing devices is inflated after this post heat-seal treatment.

Preferably, each seals the bonding land and forms two air flow passage in its both sides and in this air vessel, makes this pressurized air flow to above-mentioned series connection energy chamber through above-mentioned two air by-pass passages whereby.

According to this air-packing devices of the present invention, can vibrations that when this product drops or clashes into, put on this product or vibration be reduced to minimum.The air-packing devices of folding this sheet and post heat-seal treatment in addition, producing a product for the desire protection whereby is particular structure.Check (non-return) valve in this air-packing devices has one in order to prevent the unique texture of air inversion; And air-packing devices of the present invention has the quite simple structure of failure-free check (non-return) valve, therefore can one failure-free air-packing devices be provided low cost.

[description of drawings]

Through most preferred embodiment and accompanying drawing a kind of air-packing devices of the present invention is elaborated below, in the accompanying drawing:

Fig. 1 is a scheme drawing, is presented at the example of the basic structure of the air-packing devices in the prior art.

Fig. 2 is the planar view of air-packing devices when its unaerated of Fig. 1, to show in order to seal the calmodulin binding domain CaM of two thermoplastic films.

Fig. 3,4,5 shows the basic aspect of air-packing devices of the present invention; Wherein Fig. 3 one shows the planar view of a sheet air-packing devices, and Fig. 4, the 5th, the folding cross-sectional side view that produces a unique shape with the air-packing devices of the product that coats desire protection.

Fig. 6, the 7th respectively is presented at folding and carries out one in order to produce as the planar view of the post heat-seal treatment sheet air-packing devices before of Figure 10,11 roughly square air-packing devices.

Fig. 8, the 9th shows a lateral plan in order to the post heat-seal treatment that formed Figure 10,11 air-packing devices by Fig. 6,7 flake shape respectively.

Figure 10, the 11st shows the block diagram of the example of structure of air-packing devices of the present invention, wherein the air-packing devices of Figure 10 corresponding to the air-packing devices of Fig. 6,8 air-packing devices and the 11st figure corresponding to Fig. 7,9 air-packing devices.

Figure 12, the 13rd respectively is presented at folding and carries out a planar view in order to the schistose texture of the air-packing devices before the post heat-seal treatment that produces Figure 14,15 substantial cylindrical air-packing devices respectively.

Figure 14, the 15th shows the block diagram of the example of structure of air-packing devices of the present invention, and wherein the air-packing devices of Figure 14 is corresponding to the air-packing devices of the schistose texture of Figure 12 and this Figure 15 schistose texture corresponding to Figure 13.

Figure 16 is a planar view, shows the example of the detailed structure of air-packing devices of the present invention in the zone of this check (non-return) valve.

Figure 17, the 18th, the scheme drawing of the example of the detailed integrated structure of demonstration check (non-return) valve of the present invention.

Figure 19 is a scheme drawing, shows the cross sectional drawing of check (non-return) valve of the present invention, how when air inversion takes place, closely to close so that two double-type check (non-return) valve films to be described.

Figure 20-the 23rd shows another example of check (non-return) valve of the present invention, and wherein Figure 20 one is presented at the planar view of the structure of the check (non-return) valve on the air-packing devices; Figure 21 is the planar view of this check (non-return) valve of demonstration, and comprises the air flows that when pressurized air is supplied to an air input part, shows with dotted arrow; Figure 22 is that a demonstration is in order to combine the wherein planar view of the heat seal lands of a plastic film of this non-return valve block and this air-packing devices; And Figure 23 one shows the planar view in order to the heat seal lands of two plastic film that combine this non-return valve block and this air-packing devices.

Figure 24 is the cross sectional drawing of the example of inner structure of the present invention, and this inner structure is to be constituted and be formed on the wherein thermoplastic film of this air-packing devices by a monofilm.

Figure 25 is the cross sectional drawing of the example of inner structure of the present invention, and this inner structure is to be constituted and be formed on the wherein thermoplastic film of this air-packing devices by a pair of tunic.

Figure 26 is a cross sectional drawing, shows the inner structure of check (non-return) valve of the present invention and therein air flows when the energy chamber of this air-packing devices is inflated.

Figure 27 is a cross sectional drawing, shows the inner structure and the air flows of a check (non-return) valve of the present invention, and wherein this air-packing devices is full of fully, makes this check (non-return) valve closed by air pressure.

[specific embodiment]

Below conjunction with figs. is specified air-packing devices of the present invention, though it should be noted that at this present invention is to use one to explain as example with the air-packing devices of charge of air, also can use other kinds fluid like gas or liquid.This air-packing devices is used in the container usually, so that when dispensing one product, pack this commodity.

Air-packing devices of the present invention is specially adapted to pack the mechanical element that has high precision like PC, DVD enlarging machine etc., like hard disc etc. etc. for vibrations or the responsive product of vibration.Other examples of these products also comprise bottle, ceramic, musical instrument, picture, antique etc.This air-packing devices is wrapped in one by folding and carry out in the space that a post heat-seal treatment produced reliably with this product, and whereby, when for example, this product drops because of carelessness on the ground or absorbs vibrations and the vibration to this product during with other object strikes.

Air-packing devices of the present invention comprises a plurality of air vessels that respectively have a plurality of series connection energy chambers, and this air vessel is to separate airtightly mutually with other air vessels, and the energy chamber in the same air container is to connect by air by-pass passage.Energy chamber in this air vessel has an allantoid shape after inflation.

Detailed says; Two or more energy chambers are to see through air by-pass passage to connect to form one group of series connection energy chamber (air vessel); And each group series connection energy chamber has a check (non-return) valve at an input area place usually, with this air supply to all series connection energy chambers and prevent the pressurized air adverse current in this energy chamber.In addition, two or many group series connection energy chambers (air vessel) be to align parallel to each other, make above-mentioned energy chamber be arranged in a matrix.

Fig. 3,4,5 shows the example of air-packing devices of the present invention, and this air-packing devices has the air vessel that respectively has many group series connection energy chambers.Fig. 3 is a planar view, be presented at folding or with charge of air with the sheet air-packing devices before packing one specialities.Fig. 4 can freely change shape a product is wrapped in the lateral plan of this air-packing devices wherein with heat-sealing by folding.Fig. 5 is the cross-sectional side view of this air-packing devices, and wherein this air-packing devices is inflated with pressurized air behind folding and heat-sealing processing procedure.

As shown in Figure 3, this air-packing devices 30 has the air vessel (air vessel) of many groups configuration parallel to each other, and wherein each air vessel has a plurality of series connection energy chambers.Like Fig. 1,2 said and at following detailed description, this air-packing devices 30 comprises first and second thermoplastic film and a non-return valve block.Usually, each thermoplastic film is formed by trilaminate material, just poly-vinyl, nylon and poly-vinyl, and the three combines with suitable sticker.Above-mentioned first and second thermoplastic film be outer rim 36 places be placed at this non-return valve block two groups connect between the energy chamber after, the heat-sealing of therebetween 37 places, border is together.In addition, above-mentioned first and second thermoplastic film is in each heat-sealing 331,332,333 places, bonding land heat-sealing together.

Therefore, each group series connection energy chamber (air vessel) is to organize the energy chamber (air vessel) of connecting with other to separate airtightly, and wherein each group has a plurality of mutual series connected series connection energy chamber 321-324.At the input part place of each group series connection energy chamber, a check (non-return) valve 31 can make the air by-pass passage of the side edge of air through being formed on above-mentioned heat-sealing bonding land 33 be supplied to above-mentioned series connection energy chamber 321-324.Above-mentioned check (non-return) valve 31 is commonly to be connected to an air input part 34, and therefore, when this pressurized air is supplied to this air input part 34, the energy chamber 321-324 in each group series connection energy chamber will inflate.Because above-mentioned check (non-return) valve 31 can prevent air inversion, so above-mentioned energy chamber 32 still can continue inflation.

Before charging into air, air-packing devices 30 of the present invention can fold the external shape with the specialities that cooperate the desire protection.Therefore, in the example shown in the lateral plan of Fig. 4, this air-packing devices 30 is to roll over to collapse into to wrap up this product (figure does not show).Usually, behind folding this air-packing devices 30, can carry out a post heat-seal treatment with the up and down end is combined (like Fig. 3).

Therefore, behind the supply air, this air-packing devices 30 forms an inner space in order to the product of taking in desire protection, shown in the lateral plan of Fig. 5.Usually, can insert again in the container just like corrugated case with these air-packing devices 30 packaged products.Therefore, the air-packing devices in container can prevent that vibrations that this product is attended the meeting to be taken place, vibration or other from impacting when this product delivery process.

Fig. 6 is a planar view, is presented at folding and carries out the air-packing devices of a post heat-seal treatment with the schistose texture before the roughly square air-packing devices that produces Figure 10.Shown in following, the air-packing devices of Figure 10 has a slit, and this slit is in order to a product being written into wherein and by a upper end and a lower end, and just vertical end of the air-packing devices 400 of Fig. 6 forms.This be written into slit be formed on by in this post heat-seal treatment, not sealing above-mentioned up and down end Figure 10 air-packing devices 400 on (descending) surface.

As shown in Figure 6, this air-packing devices 400 has the many groups of air vessels that respectively have a check (non-return) valve 44 and a plurality of series connection energy chamber 421-426.The example of structure of this check (non-return) valve 44 be as following detailed description be shown among Figure 16-19.One air input part 41 is commonly to be connected in all check (non-return) valves 44, makes air be supplied to through this check (non-return) valve 44 and respectively organizes energy chamber 421-426.

Be similar to Fig. 3 example and as following detailed description, this air-packing devices 400 comprises first and second thermoplastic film and a non-return valve block.Usually, each thermoplastic film is formed by trilaminate material, just poly-vinyl, nylon and poly-vinyl, and the three combines with suitable sticker.Above-mentioned first and second thermoplastic film be outer rim 46 places with insert at this non-return valve block two groups connect between the energy chamber after, therebetween each 47 places, border heat-sealing is together.

In addition; Above-mentioned first and second thermoplastic film also is to seal together at a plurality of 431-435 places, position (heat-sealing bonding land) in order to folding this air-packing devices; Therefore, above-mentioned heat-sealing bonding land 431-435 seals above-mentioned first and second thermoplastic film and still makes air shown in arrow, lead to next energy chamber in place, both sides of each heat-sealing bonding land 43 in its position.Owing to seal in the part at 43 places, above-mentioned heat-sealing bonding land, each air vessel 42 is shaped as a sausage-like when inflation.In other words, this air-packing devices 400 can be at 43 places, above-mentioned heat-sealing bonding land crooked easily or folding with produce one cooperate the product of desire protection shape.

Fig. 7 is a planar view, is presented at folding and carries out the air-packing devices of a post heat-seal treatment with the schistose texture before the roughly square air-packing devices that produces Figure 11.Like the following stated, the air-packing devices of Figure 11 has a slit, and this slit is in order to a product is written into wherein and forms at the film of the one edge place thermal of the air-packing devices 4000 of Fig. 7 in order to preventing by adding one.This is written into slit is not to be formed on the side surface of air-packing devices 4000 by in this post heat-seal treatment, not sealing the part of this lateral margin.

In this example, be to represent with identical label with components identical among Fig. 6.As shown in Figure 7, this air-packing devices 4000 has the many groups of air vessels that respectively have a plurality of series connection energy chamber 421-426.Check (non-return) valve 85 is arranged on this air-packing devices 4000 and at its any desired location place; And a film 49 is arranged on this lateral margin 46 preventing that this lateral margin 46 from combining in this post heat-seal treatment, to form a opening 482 (heat-sealing bonding land) in order to be written into this product.This in order to the film that prevents to combine can by as the high heat proof material of a Teflon (Teflon) film or a polyester (Mylar) film process.In addition, also can use a kind of coating (remover) that can hinder the combination between two thermoplastic films.One example of the structure of this check (non-return) valve 85 be as following detailed description be presented among Figure 20-27, and an air input part 81 is commonly to be connected with this first check (non-return) valve 85, makes air respectively to be supplied to and respectively organizes energy chamber 421-424.

Fig. 8 is a lateral plan, is presented in order to the air-packing devices 400 in the post heat-seal treatment of the air-packing devices that formed Figure 10 by the sheet air-packing devices shown in Fig. 6.Fold and utilize this post heat-seal treatment in the heat-sealing of place, both sides together this sheet air-packing devices 400, and in this post heat-seal treatment, the upper end of Fig. 6 (edge 46) do not combine with this lower end (edge 46) with above-mentioned edge 46.Therefore, can produce one as opening 481 in order to the slit that is written into this product.

Fig. 9 is a lateral plan, is presented in order to the air-packing devices 4000 in the post heat-seal treatment of the air-packing devices that formed Figure 11 by the sheet air-packing devices shown in Fig. 7.Fold and utilize this post heat-seal treatment above-mentioned edge 46 to be located in both sides and between the end of the up and down of Fig. 7, sealed together this sheet air-packing devices 4000; And in this post heat-seal treatment, insert between the above-mentioned edge 46 at a side place in order to the film 49 that prevents to seal.Therefore, the edge corresponding to this film 49 does not combine in this post heat-seal treatment.Therefore, can produce one as opening 482 in order to the slit that is written into this product.

Figure 10 is a block diagram, show the example corresponding to the structure of Fig. 6,8 air-packing devices of the present invention 400, and the air-packing devices 400 of Figure 10 is to form by supply air behind the folding and post heat-seal processing procedure of Fig. 8.This air-packing devices 400 has one in order to being to use for the opening 481 of this product through the slit that is written into packing of product inner space and therein.As previously mentioned, this opening 481 is to produce by the up and down end that does not seal Fig. 6.In the example of Figure 10, this opening 481 is arranged on going up on (or down) face of this air-packing devices 400.

Figure 11 is a block diagram, show the example corresponding to the structure of Fig. 7,9 air-packing devices of the present invention 4000, and the air-packing devices 4000 of Figure 11 is to form by supply air behind the folding and post heat-seal processing procedure of Fig. 9.This air-packing devices 4000 has one in order to being to use for the opening 482 of this product through the slit that is written into packing of product inner space and therein.As previously mentioned, this opening 482 is to produce by the up and down end that does not seal Fig. 7.In the example of Figure 11, this opening 482 is arranged on the side of this air-packing devices 4000, and this opening 482 be by as utilize this film 49 to prevent that the part of this lateral margin 46 is resealed and produces aforementionedly.

Figure 12 is a planar view, is presented at folding and carries out a schistose texture in order to the air-packing devices before the post heat-seal treatment of the substantial cylindrical air-packing devices that produces Figure 14.Like the following stated, the air-packing devices of Figure 12 has an opening, and this opening is in order to a product being written into wherein and by a upper end and a lower end, and just vertical end of the air-packing devices 500 of Figure 12 forms.This be written into slit be formed on by in this post heat-seal treatment, not sealing above-mentioned up and down end Figure 14 air-packing devices 500 on (descending) surface.

Shown in figure 12, this air-packing devices 500 has the many groups of air vessels that respectively have a check (non-return) valve 54 and a plurality of series connection energy chamber 521-527.The example of structure of this check (non-return) valve 54 be as following detailed description be shown among Figure 16-19.One air input part 51 is commonly to be connected in all check (non-return) valves 54, makes air be supplied to through this check (non-return) valve 54 and respectively organizes energy chamber 521-527.

Be similar to Fig. 3,6,7 example and as following detailed description, this air-packing devices 500 comprises first and second thermoplastic film and a non-return valve block.Usually, each thermoplastic film is formed by trilaminate material, just poly-vinyl, nylon and poly-vinyl, and the three combines with suitable sticker.Above-mentioned first and second thermoplastic film be outer rim 562 (but whether edge 561) locate with insert at this non-return valve block two groups connect between the energy chamber after, each therebetween 57 place, border seal together.

Above-mentioned first and second thermoplastic film also is to seal together at a plurality of 531-536 places, position (heat-sealing bonding land) in order to folding this air-packing devices; Therefore, above-mentioned heat-sealing bonding land 531-536 seals above-mentioned first and second thermoplastic film and still makes air shown in arrow, lead to next energy chamber in place, both sides of each heat-sealing bonding land 53 in its position.Owing to seal in the part at 53 places, above-mentioned heat-sealing bonding land, each air vessel 52 is shaped as a sausage-like when inflation.In other words, this air-packing devices 500 can be at 53 places, above-mentioned heat-sealing bonding land crooked easily or folding with produce one cooperate the product of desire protection shape.

Figure 13 is a planar view, is presented at folding and carries out the air-packing devices of a post heat-seal treatment with the schistose texture before the substantial cylindrical air-packing devices that produces Figure 15.Like the following stated, the air-packing devices of Figure 15 has an opening (being written into slit) 582, and this opening 582 is in order to a product is written into wherein and forms in order to the film of the one edge place thermal that prevents air-packing devices 5000 by adding one.This is written into slit is to be formed on by in this post heat-seal treatment, not sealing the part of this lateral margin on the side surface of air-packing devices 5000 of Figure 15.

In this example, be to represent with identical label with components identical among Figure 12.Shown in figure 13, this air-packing devices 5000 has the many groups of air vessels that respectively have a plurality of series connection energy chamber 521-524.Check (non-return) valve 85 is arranged on this air-packing devices 5000 and at its any desired location place; And a film 59 is arranged on this lateral margin 56 preventing that this lateral margin 56 from combining in this post heat-seal treatment, is written into slit (opening) 582 to form one in order to what be written into this product.As previously mentioned, can use a Teflon (Teflon) film or a polyester (Mylar) film to reach this purpose.In addition, also can use a kind of coating (remover) that can hinder the combination between two thermoplastic films.One example of the structure of this check (non-return) valve 85 be as following detailed description be presented among Figure 20-27, and an air input part 81 is commonly to be connected with this first check (non-return) valve 85, makes air respectively to be supplied to and respectively organizes energy chamber 521-524.

Figure 14 is a block diagram, and demonstration is corresponding to an example of the structure of the air-packing devices of the present invention 500 of Figure 12, and the air-packing devices 500 of Figure 14 is to form by supply air behind the folding and post heat-seal processing procedure of Figure 12.This air-packing devices 500 has one in order to being to use for the opening 581 of this product through the slit that is written into packing of product inner space and therein.In the example of Figure 14, this opening 581 is arranged on going up on (or down) face of this air-packing devices 500.The packing device of Figure 14 is useful for packing just like the cylindrical product of bottle, and preferably, and in this post heat-seal processing procedure, above-mentioned lateral margin 562 is in folding back and other edges 561 when not combining.Therefore, can insert in the endoporus of this air-packing devices 500, therefore can pack the neck of bottle corresponding to the part of above-mentioned energy chamber 521.

Figure 15 is a block diagram, and demonstration is corresponding to an example of the structure of the air-packing devices of the present invention 5000 of Figure 13, and the air-packing devices 5000 of Figure 15 is to form by supply air behind folding and post heat-seal processing procedure.This air-packing devices 5000 has one in order to being to use for the opening 58b of this product through the slit that is written into packing of product inner space and therein.In the example of Figure 15, this opening 482 is arranged on the side of this air-packing devices 5000, and this opening 582 be by as utilize this film 59 to prevent that the part of this lateral margin 56 is resealed and produces aforementionedly.

Figure 16 is a planar view, is presented in the zone of this check (non-return) valve the thin bilge construction of air-packing devices of the present invention.Below explanation will have the structure of the air-packing devices 400 of the check (non-return) valve 44 in Fig. 6,8,10 example in order to demonstration.Basically, this air-packing devices 400 is by three layers of thermoplastic film, and just first and second a gas flush packaging film 911-912 and a check (non-return) valve film 92 constitute.Check (non-return) valve film 92 in this example is to be made up of two thermoplastic films 921 and 922, but a single film also can form a check (non-return) valve.These thermoplastic films are to combine to produce a slice air-packing devices 400 by the heat-sealing processing procedure, and are as shown in Figure 6.Therefore, at the above-mentioned edge shown in Fig. 6 46 with border 47 be to combine airtightly.Then, as previously mentioned, this post heat-seal treatment puts on the air-packing devices 400 to produce last kenel on this air-packing devices 400, and is shown in figure 10.

Figure 17,18 shows the structure of check (non-return) valve 44 of the present invention in greater detail, and wherein Figure 17 is that birds-eye view and Figure 18 of this check (non-return) valve 44 are the cross-sectional side views along the check (non-return) valve 44 of the line 18-18 institute intercepting of Figure 17.In addition, the cross sectional drawing of Figure 18 shows that this pressurized air wherein is not supplied to the situation of the air vessel (energy chamber 42) in this air-packing devices 400.

In Figure 17,18 example, reinforcement hermetic unit 72 is formed near a check (non-return) valve 631 places that enter the mouth.These parts are to be placed to each edge that can contact this inlet 631, and above-mentioned hermetic unit 72 is to be arranged to the border of Strengthenable between this guiding channel 63 and this air vessel (energy chamber 42), break when the inflation to prevent this air vessel.In check (non-return) valve of the present invention, above-mentioned reinforcement hermetic unit 72 is preferable but is main and therefore can omits.

In this air-packing devices 400, two check (non-return) valve films 921 and 922 are and put (stacked) and be sandwiched between between two gas flush packaging films 911 and 912, and near this guiding channel 63, and fixing seal part 71-72,65 and 67.

Said fixing hermetic unit 71-72 is called as exit portion, and this fixing seal part 65 is called as one and extends (or widening) part, and this fixing seal part 67 then is called as a reduction part.These fixing seal parts also form the structure of this check (non-return) valve 44 and simultaneously this valve are fixed on this first gas flush packaging film 911.

This check (non-return) valve 44 is to be processed by two check (non-return) valve film (thermoplastic film) 921-922, and produces an air pipe (passage) 78 whereby betwixt.How this check (non-return) valve 44 of passage is to represent with the arrow shown in the label in Figure 17 771,772 and 773 to air, and pressurized air is to be supplied to this air vessel (energy chamber 42) by this guiding channel 63 through this air pipe 78.

In this check (non-return) valve 44, though be provided with said fixing hermetic unit 65,67 and 71-72, general air still can flow through this air pipe 78 at an easy rate.But, the air of adverse current then can't pass through this air pipe 78 in this valve.In other words, if in this air pipe 78, adverse current takes place, then it will be stopped because of the pressure of this adverse current itself.Pressure whereby, the check (non-return) valve film 921 that faces one another will closely contact with 922 two surfaces, and is shown in figure 19, and this will be in following explanation again.

As previously mentioned, in Figure 17,18, said fixing hermetic unit 65,67 and 71-72 also can guide air in this check (non-return) valve 44, to flow.The said fixing hermetic unit comprises the part 711,721,651 and 671 that two check (non-return) valve films 921 and 922 are combined, and the part 712,722,652 and 672 that this first gas flush packaging film 911 and this second check (non-return) valve film 922 are combined.Therefore, the air pipe 78 in this check (non-return) valve 44 is the passages that are formed between the two check (non-return) valve film 921-922 as.

In addition, in Figure 17, said fixing hermetic unit 67 comprises the two symmetrical line segments towards the extension of graphic top, and the width of this air pipe 78 reduces because of said fixing hermetic unit (reduction part) 67.In other words, when arriving the narrow space that is produced by above-mentioned reduction part 67 through this wide space, general flowing can arrive this energy chamber 42 through this air pipe 78 easily.On the other hand, when this narrow space through being produced by above-mentioned reduction part 67 of air, above-mentioned reduction part 67 will hinder the adverse current from above-mentioned energy chamber 42.

Above-mentioned extendible portion 65 is that and then above-mentioned reduction part 67 forms, and the shape of this extendible portion 65 is similar to a heart so that the shunting of this air.By making air pass through this extendible portion 65, this air will be shunted, and this air is crossed (with arrow 772 expressions) around the marginal flow of this extendible portion 65.When the above-mentioned energy chamber 42 of this air flow (flow forward), this air flows in this extendible portion 65 naturally.On the other hand, this adverse current can't directly flow through above-mentioned reduction part 67, because this adverse current can be clashed into this extendible portion 65 and on its direction, shunted.Therefore, this extendible portion 65 also can be in order to stop the adverse current of this air.

Above-mentioned exit portion 71-72 is that and then this extendible portion 65 forms; In this example; This exit portion 71 is formed in the top center of this check (non-return) valve 44 and on the flow direction of this air, and two exit portion 72 that extend to perpendicular to the direction of this exit portion 71 are to form symmetrically.These spaces constitute the part that can supply the air pipe 78 that the air shown in arrow 773 passes through; And when air supply to this air vessel (energy chamber 42), above-mentioned exit portion 71-72 form this check (non-return) valve 44 at last through part and this air by being split into four strands through above-mentioned exit portion 71-72.

As previously mentioned, air is flowed by this guiding channel 63 quite smooth-goingly and arrives above-mentioned energy chamber 42 through this check (non-return) valve 44.In addition, the reduction part 67, extendible portion 65 and the exit portion 71-72 that are formed in this check (non-return) valve 44 can be in order to stop the adverse current of this air.Therefore, can't pass through this air pipe 78 easily, can improve the treatment effeciency in this air supply to this air-packing devices from the adverse current of above-mentioned energy chamber 42.

Figure 19 is the cross sectional drawing of the effect of demonstration check (non-return) valve 44 of the present invention, and this example shows when this adverse current attempts in filling part gas filed this air-packing devices, to take place the internal state of this check (non-return) valve 44.At first, this air will stop air because of above-mentioned exit portion 71 and 72, make this adverse current be not easy to get into above-mentioned exit portion, so be difficult to get into this air pipe 78.On the other hand, this air flows in the space between this second gas flush packaging film 912 and this second check (non-return) valve film 921 shown in arrow 66, and this air be shown in the 19th figure as the ground inflation.Utilize this expansion, in Figure 19, this second check (non-return) valve film 921 is depressed into right-hand, and at the same time, this first check (non-return) valve film 922 is depressed into left.Therefore, two check (non-return) valve films 921 closely contact shown in arrow 68 with 922.So, can prevent this adverse current fully.

Below will specify another example of check (non-return) valve of the present invention with reference to Figure 20-27.Figure 20-23 is to use the planar view of the check (non-return) valve in aforementioned air-packing devices 4000 of the present invention and 5000.Figure 20 shows the part of a check (non-return) valve 85 and this air-packing devices 4000, and the air-packing devices 4000 with above-mentioned check (non-return) valve 85 comprises the above energy chamber 83 of two or two rows, and above-mentioned energy chamber 83 be with Fig. 6 in energy chamber 421-424 suitable.As previously mentioned, each emptying air-capacitor device has a plurality of series connection energy chambers 83 usually, but in Figure 20, only shows an energy chamber.

Before the supply air, this air-packing devices 4000 be one by first (on) the long rectangular sheet processed of thermoplastic film 93 and one second (descending) thermoplastic film 94.In order to produce this structure, each group series connection energy chamber is this first thermoplastic film (gas flush packaging film) 93 and this second thermoplastic film (air-packing film) 94 are combined and to form by potted line (boundary line) 82.Therefore, can produce above-mentioned energy chamber 83, make that each group series connection energy chamber can air filling independently.

One have a plurality of check (non-return) valves 85 check (non-return) valve film 90 and above-mentioned thermoplastic film 93 be connected with a wherein thermoplastic film of 94, shown in figure 22.When connecting this check (non-return) valve film 90, can remover 87 be coated on the desired location of above-mentioned potted line 82 and at wherein between the thermoplastic film of this check (non-return) valve film 90 and above-mentioned thermoplastic film 93 and 94.This remover 87 is a kind of coating with high-fire resistance, so it can prevent the thermal between above-mentioned first and second thermoplastic film 93 and 94.Therefore, even if make above-mentioned first and second thermoplastic film 93 with 94 when sealing line 82 combines when being heated, above-mentioned first and second thermoplastic film 93 and 94 can not be adhered together at the place, place of this remover 87 yet.

This remover 87 also makes this air input part 81 can fills with air opened in this air-packing devices 4000 time easily; When the above-mentioned up and down film that is manufactured from the same material 93 and 94 is stacked together; Two films will be adhered mutually, and the remover 87 that is printed on the above-mentioned thermoplastic film can prevent this adhesion.Therefore, it helps to this air-packing devices inflation the time, one Air Compressor nozzle to be inserted this air intake 81.

Check (non-return) valve 85 of the present invention is to constitute by having a blowing air duct portion 88 and an air flow maze part 86 altogether, and this air lead part 88 is as a conduit, air can be flowed into by this air intake 81 respectively organize in the energy chamber 83.This air flow maze part 86 prevents air free-flowing between this air-packing devices 4000 and the outside, and just it makes the operation of air supply become easy as the deceleration member of an opposing air flows.In order to reach this deceleration, this air flow maze part 86 be by two or plural wall (heat-sealing) 861-863 constitute.Because this structure, will can be not directly or freely flow into above-mentioned energy chamber 83 from the air of this common air lead part 88, and must flow with a tortuous mode.Be formed with an outlet 84 in the end of this air flow maze part 86.

In the air-packing devices with check (non-return) valve 85 of the present invention 4000, being supplied to this air input part 81 and making above-mentioned energy chamber 83 gas filed pressurized airs is to flow with mode shown in Figure 21.Comprise with the structure of the cooresponding check (non-return) valve 85 of Figure 20 and more comprise and show the dotted line arrow 89 that flow of air in this check (non-return) valve 85 and above-mentioned energy chamber 83 at the planar view shown in Figure 21; And it is shown in arrow 89, mobile towards the place ahead and rear two directions of this air-packing devices 4000 from the air of this check (non-return) valve 85.In addition, when this check (non-return) valve 85 is connected in the midway location of this air-packing devices 4000, only need the air compressor of suitable low pressure.

In Figure 21; When air by this air compressor (figure do not show) when being supplied to this air input part 81, air flows and flows towards next adjacent energy chamber 83 via this air lead part 88 towards outlet 84 via air lead part 88 and this air flow maze part 86.The air that leaves this outlet 84 is by before this air-packing devices 4000, flowing with back two directions (right side of Figure 21 and left) and making this energy chamber 83 inflations; And the air that is sent to next energy chamber flows in an identical manner, just flows to this outlet 84 and flows to next adjacent energy chamber 83.These operations last till last energy chamber 83 by this first energy chamber 83, and in other words, this air lead part 88 makes air can pass through this air flow maze part 86 and flow to an energy chamber 83 and flow to next energy chamber 83.

Figure 22,23 shows the enlarged drawing of check (non-return) valve of the present invention, how on this air-packing devices 4000, to produce so that this check (non-return) valve 85 to be described.As previously mentioned, this check (non-return) valve film 90 is connected in this thermoplastic film 93 or 94.Figure 22,23 example show the situation that is connected in (first) thermoplastic film 93 on this when this check (non-return) valve film 90, and are illustrated in the heat-sealing (combination) between the above-mentioned thermoplastic film at above-mentioned thick line in graphic.

Air-packing devices of the present invention is by making to combine above-mentioned film with this second (descending) thermoplastic film 94 of a temperature booster hot pressing, this check (non-return) valve film 90 and this last (first) thermoplastic film 93.Because each film is to be processed by thermoplastic material, they will combine (welding) together when being heated.In this example, this check (non-return) valve film 90 with should go up thermoplastic film 93 and was connected, and then this check (non-return) valve film 90 and upward thermoplastic film 93 combine with this time thermoplastic film 94.

At first, shown in figure 22, this check (non-return) valve film 90 by sealing two films at the part place shown in the thick line on this thermoplastic film 93 be connected.Utilize this processing procedure, be coated on remover 87 on this check (non-return) valve film 90 in advance and be by joint line 791 with 792 with this on thermoplastic film 93 be connected, to produce this air lead part 88.In addition, this air flow maze part 86 is to produce by joint line 861-863, and is openings at the end of this air flow maze part 86, to constitute this air discharge port 84.

Then, shown in figure 23, this check (non-return) valve film 90 and this are gone up thermoplastic film 93 by sealing above-mentioned up and down film and be connected to this time thermoplastic film 94 with the position shown in the thick line 82.Utilize this processing procedure, because the boundary line between two energy chambers is by sealing line (boundary line) 82 sealings, so each energy chamber 83 can be separated from each other.But the scope with potted line 82 of this remover 87 then is closed because this remover prevents to seal between the above-mentioned film together and not.Therefore, produced and made the mode flow air duct portion 88 that air can Figure 21.

Figure 24 is a part of cross sectional front elevation, shows the inner structure of check (non-return) valve 851 of the present invention, and this check (non-return) valve 851 is to be constituted and be formed on the thermoplastic film of this air-packing devices by a monofilm.As previously mentioned, this common air lead part 88 and this air flow maze part 86 are formed between this check (non-return) valve film 90 and above-mentioned up and down thermoplastic film 93 and 94.In this example, this check (non-return) valve film 90 is that thermoplastic film 93 is connected with being somebody's turn to do upward through heat-sealing and with the mode in the explanation of aforementioned Figure 22.

This air flow maze part 86 has the labyrinth arrangement like a tortuous air by-pass passage, so that the air flows like adverse current is produced resistance.This tortuous air by-pass passage is to form by combination (heat-sealing) line 861-863, and different with straight passage forward, and this labyrinth part 86 can be reached and borrow pressurized air to make the gas filed operation of this air-packing devices easily.At this various modes in order to the generation air flow resistance can be arranged, and the structure of the labyrinth part 86 shown in Figure 20-23 is an example.Usually, the structure on this labyrinth is more complicated, and this labyrinth part 86 need be littler in order to the area of the resistance of this air flows that suitably creates antagonism.

Figure 25 is a cross sectional drawing, shows the inner structure of check (non-return) valve 852 of the present invention, and this check (non-return) valve 85b is constituted and is formed on the wherein thermoplastic film of this air-packing devices by a pair of tunic.In this example, another film 95 is arranged on this between the thermoplastic film 93 and this check (non-return) valve film 90.This another film 95 forms above-mentioned check (non-return) valve 852 with this check (non-return) valve film 90, and another film 95 is connected in this on the thermoplastic film 93, makes that the air of thermoplastic film 93 and this another film 95 can't transmit air on this.

The advantage of this structure is the reliability that can improve for preventing air inversion, is exactly in the check (non-return) valve of Figure 24, and when air charged in this energy chamber 83, the last thermoplastic film 93 with energy chamber of check (non-return) valve 85 can be crooked.In addition, when a product was written in this air-packing devices, the protrusion of surface meeting of this product contacted and makes the outside face distortion of the energy chamber that wherein has this check (non-return) valve.Can weaken because of the bending of this energy chamber by sealing effectiveness that this check (non-return) valve produced, and another film 95 in Figure 25 can alleviate this problem, because this film 95 is mutually independently with going up thermoplastic film 93.

Figure 26, the 27th shows the energy chamber in-to-in cross sectional drawing with this check (non-return) valve 85.Figure 26 shows that wherein pressurized air is imported into the situation in this air-packing devices 4000 through this check (non-return) valve 85, and Figure 27 shows that this air-packing devices 4000 can be operated with charge of air to this check (non-return) valve 85 and borrow inner air to press the degree of closing effectively.This dotted line arrow 89 is illustrated in flowing of air among Figure 26,27.

Shown in figure 26, when air by this air input part 81 (Figure 20-23) when being pumped to, air will flow to each energy chamber.When this part of air flowed to next emptying air chamber, remaining air will get into energy chamber originally so that the inflation of this energy chamber.This air will owing to by as an Air Compressor source institute applied pressure flow into this energy chamber, and this air leaves through this air flow maze part 86 and by the outlet 84 in the end of this labyrinth part 86.All energy chambers will be full of this pressurized air at last.

Shown in figure 27, when the energy chamber with this check (non-return) valve 85 was inflated to a certain degree, the interior pressure of this air can upwards push away this check (non-return) valve film 90, made its contact should go up thermoplastic film 93.Figure 27 shows that the air flow maze part 86 of this check (non-return) valve 85 is to show how this check (non-return) valve 85 acts on.When being pressed onto in this when reaching a sufficiently high value, this check (non-return) valve film 90 contacts airtightly should go up thermoplastic film 93, and just this check (non-return) valve 85 cuts out, and prevents this air inversion whereby.

As previously mentioned, according to the present invention, this air-packing devices can reduce mechanical shock or vibration to producing when product drops or collide.The air-packing devices of sheet is folded and it is carried out this post heat-seal treatment, produces a pair of desire protection product whereby and is particular structure.Check (non-return) valve in this air-packing devices has one in order to preventing the unique texture of air inversion, and air-packing devices of the present invention has the quite simple structure of reliable check (non-return) valve, and it can provide a reliable cheaply air-packing devices.

Though the present invention had explained to have various equivalent modifications and the variation that common knowledge the knowledgeable carries out in the affiliated technical field on basis of the present invention with reference to several preferred embodiments, must be regarded as in protection scope of the present invention.

Claims (6)

1. air-packing devices is characterized in that it comprises:

First and second thermoplastic film, first and second thermoplastic film are that stacked and predetermined portions this first and second thermoplastic film combines and forms a plurality of air vessels mutually, and again, each air vessel has a plurality of series connected energy chambers;

A plurality of check (non-return) valves are arranged on the input part place of corresponding air vessel and are located between this first and second thermoplastic film, and pressurized air can only be flowed towards preceding direction, and this check (non-return) valve comprises:

One check (non-return) valve film be printed with the remover of predetermined pattern, and this check (non-return) valve symphysis is connected to a wherein thermoplastic film of this first and second thermoplastic film;

One air intake is made up of the remover that is printed on this air-packing devices, and connects an air source;

One air flow maze part has an outlet at this air flow maze part one end place, so that air is supplied to the corresponding air vessel with one or more series connection energy chamber by air by-pass passage; And

The blowing air duct portion is air to an air vessel to be provided and to be had the air flow maze part of next air vessel of one or more series connection energy chamber by this air intake altogether; And

One air input part is commonly to be connected with these a plurality of check (non-return) valves, to see through this check (non-return) valve this pressurized air is supplied to all series connection energy chambers, and

The predetermined edge of this air-packing devices is partially folded and interosculate; To form packing of product inner space and is therein supplied the opening of this product through being written into; In being printed with the scope of remover, can prevent thermal between above-mentioned first and second thermoplastic film.

2. air-packing devices as claimed in claim 1 is characterized in that:

This check (non-return) valve is formed in arbitrary desired location place of this air-packing devices, and wherein mobile to be filled in all energy chambers of connecting wherein in this air vessel with back two directions forward from the air of this check (non-return) valve.

3. air-packing devices as claimed in claim 1 is characterized in that:

Another film is arranged on wherein between the thermoplastic film of this check (non-return) valve film and above-mentioned first and second thermoplastic film.

4. air-packing devices as claimed in claim 2 is characterized in that:

This check (non-return) valve is the arbitrary desired location place that is connected in this air-packing devices with a wherein thermoplastic film of this first and second thermoplastic film.

5. air-packing devices as claimed in claim 1 is characterized in that:

When this air-packing devices was filled to an enough degree with this pressurized air, the air by-pass passage in this air flow maze part can make this check (non-return) valve contact airtightly and close with a wherein thermoplastic film of above-mentioned first and second thermoplastic film by the air pressure that is utilized in this energy chamber at least.

6. air-packing devices as claimed in claim 3 is characterized in that:

When this air-packing devices was filled with the pressurized air of the enough force value of tool, the air by-pass passage in this air flow maze part can make another film of this check (non-return) valve and this contact airtightly and close by the air pressure that is utilized in this energy chamber at least.

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