CN102556501A - Air packaging bag with five-layer structure and manufacturing method thereof - Google Patents
Air packaging bag with five-layer structure and manufacturing method thereof Download PDFInfo
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- CN102556501A CN102556501A CN2010106173504A CN201010617350A CN102556501A CN 102556501 A CN102556501 A CN 102556501A CN 2010106173504 A CN2010106173504 A CN 2010106173504A CN 201010617350 A CN201010617350 A CN 201010617350A CN 102556501 A CN102556501 A CN 102556501A
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Abstract
The invention relates to an air packaging bag with a five-layer structure and a manufacturing method thereof. The air packaging bag which is formed by folding and heat sealing of a packaging film comprising upper-lower two-layer thermoplastic film layers, middle two-layer one-way valve film layers and a functional film layer, wherein the upper-lower two-layer thermoplastic film layers and the two-layer one-way valve film layers are heat-sealed to form independent sealed air chambers, one-way valves and an air inlet channel; each sealed air chamber is communicated with the air inlet channel by each one-way valve; air flow guiding devices are arranged at the connecting positions of the sealed air chambers and the air inlet channel; and the two ends of the air inlet channel are provided with air filling gaps and easy-tearing openings. The air packaging bag has the advantages that the air flow guiding devices are arranged in the air inlet channel, and vortex is generated at the air chamber channels, so that the air flow can be filled into the sealed air chambers smoothly, and the air filling speed is increased; the air filling gaps are also beneficial to air introduction; the ear-tearing openings are convenient for the removal of the packaging bag in use; and the small sealed air chambers can shrink the corner parts, the bottom part or the side parts of the packaging bag, so that the protecting performance to a product is improved.
Description
Technical field
The present invention relates to a kind of tank dome pack and manufacturing approach thereof, especially relate to a kind of tank dome pack and manufacturing approach thereof of utilizing the five-layer structure of self-adhering air technical design production.
Background technology
At present, the trend of globalization strengthens the transportation range of product from the grown place to area of consumption day by day, causes for the protective packaging demand in the transportation also fast-developing simultaneously.Traditional polystyrene foamed (EPS) and polyethylene foams (EPE) based article must use at manufacturer's foaming or through just being transported to the user after the processed, the bulky and very inconvenience transportation and the storage of the foamed plastic after the moulding.The foaming in place class material that transports for ease and develop mainly is to utilize the Polyurethane foam goods; At expansion of content next door and formation protection model; But; The price of material is higher relatively and the equipment at scene had certain requirement, requires to be not suitable for the inner packing of large-scale pipeline product such as electronic product simultaneously at workman's efficient and working strength.In addition; Show serious many drawback days of polystyrene foamed (EPS) based article, become for the people all dislike " white pollution ", the buffer product that relatively only uses in the transit link short-term; The offal treatment of permanent polyphenyl blister pack is improper to bring gross pollution to environment; If burning can produce noxious gas, heap buries then and can produce the geology structural damage because of not corroding, and the concern of government and customer's environmental pollution problem in recent years will be limited to the development of this series products.Simultaneously, packing in the market almost are limited by problems such as the volume of packing own is big, traffic cost height invariably, make these materials closely to sell, and can't form scale and benefit.
Along with the fast development of soft-plastic material, make increasing industry can have benefited from the design that this material behavior brings and the expansion of function.Traditional gas flush packaging utilizes hot sealing process to form simple round dot (BUBBLE WRAP, bubble pad), block or cylindric usually.Bubble is paid somebody's debt and expected repayment later and can be transported through being packaged as coiled material, but other shape product must use the complicated heat-sealing equipment of on-site installation form air bag.Because the protection effect and the shape-variable of this series products are limited, use so mostly operable field is pad or filling space.Simultaneously, to protect the gas time be not very long because the fugitiveness of the use of material and hot sealing process causes.Therefore, limited to for a long time always and utilize air as the development of the packaging product of buffer medium.
All on the books in document Walker (1981) Official Gazette of the United State's Patent Office 4191211, Koyanagi (1987) Official Gazette of the United State's Patent Office 4708167, utilize soft-plastic material to process valve body and combine plastic sheeting or rubber type of material is used for making like products such as water bag, coffee bag, balloon toys.Simple softly mould the passage that structure can provide air admission or discharge but stop the seepage or the entering of liquid or gas through this, thereby form a storage space of can store fluid or can deaeration.On the basis of this theory, use material different to can be used for different fields such as life jacket and be used for preserving the sealing arrangement of fluid, like bladders etc.
On October 21st, 2009; Chinese patent ZL200510024665.2 has announced a kind of air-isolated and self-adhering packing material; These packing are combined by four layers of resin film; Wherein ground floor resin film and the 4th layer of resin film broad and be arranged on up and down top layer; Second layer resin film and three-layer resin film are narrower and be arranged on interlayer, and four layers of resin film is stacked together and is honored as a queen through localized heat repeatedly, forms the house steward that puts on rations and can deposit the space of air dielectric with at least one.Though this invention has anti-extruding, anti-vibration, anti-falling fallen and cushioned integrated protection performances such as good, also come with some shortcomings, such as, air-flow is smooth and easy inadequately during inflation, and aeration speed is slower, and inflation inlet difficulty is opened, and it is convenient inadequately or the like to open when the client uses.
Summary of the invention
The object of the invention be exactly provide a kind of in order to overcome the deficiency that above-mentioned prior art exists and inflate convenience, airflow smooth, resistance to wear, the tank dome of five-layer structure antistatic, simple in structure packs and manufacturing approach.
The object of the invention can be realized through following technical scheme:
A kind of tank dome pack of five-layer structure; This tank dome pack is made up of through the turnover heat-sealing the packaging film of five-layer structure, and described packaging film comprises two-layer thermoplastic film layer, middle two layers of unidirectional valve rete and one deck function film layer up and down, and described function film layer is located at the lateral surface of lower floor's thermoplastic film layer; Wherein, Two-layer up and down thermoplastic film layer and two layers of unidirectional valve rete form a plurality of independently sealed air chamber and check valve through heat-sealing, and a free air diffuser, and each sealed air chamber is communicated with free air diffuser through check valve; It is characterized in that; The junction of described sealed air chamber and free air diffuser is provided with the air guide device that is formed by heat-sealing, and an end of described free air diffuser is provided with and is beneficial to the inflation breach of filling in charging connector, and the other end is provided with and is beneficial to the tearable mouth that opens the package.
Described air guide device is located at the junction of sealed air chamber top and free air diffuser, forms the eddy zone that makes things convenient for gas to import between adjacent two air guide devices.
Described air guide device is located at the intersection of heat seal line and sealed air chamber's heat seal line under the free air diffuser.
Described air guide device generally is Ω shape, equicrural triangle or parabola shaped.
Described inflation breach is opened in the end of upper strata thermoplastic film layer, and this inflation breach is crescent, semicircle, triangle or trapezoidal.
Described tearable mouth is triangle, semicircle or crescent.
Described check valve rete is made up of upper air valve film and lower air valve film, is provided with baffling device between this upper air valve film and the lower air valve film, and the heat-sealing of described upper air valve film and upper strata thermoplastic film is connected, and described lower air valve film seals with the lower floor thermoplastic film and is connected.
Described check valve is resealed and is divided into free air diffuser part and sealed air chamber's part, is provided with the gauge point that is formed by heat-sealing in the baffling device position of free air diffuser check valve partly.
Described a plurality of independently sealed air chamber is made up of diameter sealed air chamber identical or inequality, and each sealed air chamber is provided with at least one air chamber passage.
Described sealed air chamber is provided with 1,2 or 3 air chamber passages.
The centre portion of two outer lateral thermal sealing lines of described sealed air chamber curves inwardly, and the inflation back, the outside of this heat seal line that curves inwardly forms handle.
Described sealed air chamber can also pass through inside local heat-sealing and be separated out little air chamber.
Described little air chamber can be the not gas filed enclosure space that is used to tighten up packaging bag bight, bottom or sidepiece volume, and this enclosure space is bar shaped, circle, ellipse or rhombus.
Described function film layer is thermoplastic film layer, aluminium plating membrane, plating plastic film layer or the coating rete with light tight and/or electrostatic prevention.
The border, both sides of the border, both sides of described thermoplastic film layer with light tight and/or electrostatic prevention and lower floor thermoplastic film layer is connected through heat-sealing continuously; Its end is connected through the discontinuous heat-sealing of point-like with lower floor thermoplastic film layer end; Described aluminium plating membrane or the plating of plating plastic film layer are located at the lateral surface of lower floor's thermoplastic film layer, and described coating rete is coated on the lateral surface of lower floor's thermoplastic film layer.
Described a plurality of independently sealed air chamber is 2～80.
Preferred 5～20 of described a plurality of independently sealed air chamber.
Preferred 15 of described a plurality of independently sealed air chamber.
A kind of manufacturing approach of tank dome pack of five-layer structure is characterized in that this method may further comprise the steps:
(1) with the stack successively from top to bottom of upper strata thermoplastic film layer, two layers of unidirectional valve thin layer and baffling device, lower floor's thermoplastic film layer; Form the air-packing film that includes free air diffuser, check valve and sealed air chamber through heat-sealing, the intersection of heat seal line and sealed air chamber's heat seal line is provided with the air guide device that is formed by heat-sealing under free air diffuser;
(2) the function film layer is sealed the lateral surface that is connected lower floor's thermoplastic film layer, obtain the air-packing film of five-layer structure;
(3) the air-packing film that step (2) is obtained cuts by the sealed air chamber unit, turns down, seals the tank dome pack that forms five-layer structure then;
(4) free air diffuser one end that the tank dome that obtains in step (3) packs is offered the inflation breach, and the other end is offered tearable mouth, promptly obtains product.
Function film layer described in the step (2) is the thermoplastic film layer with light tight and/or electrostatic prevention; The border, both sides of the border, both sides of this thermoplastic film layer and lower floor thermoplastic film layer is connected through heat-sealing continuously, and its end is connected through the discontinuous heat-sealing of point-like with lower floor thermoplastic film layer end.
Sealed air chamber unit described in the step (3) comprises 2～80 sealed air chamber.
A kind of another kind of manufacturing approach of tank dome pack of five-layer structure is characterized in that this method may further comprise the steps:
(1) with the stack successively from top to bottom of upper strata thermoplastic film layer, two layers of unidirectional valve thin layer and baffling device, lower floor's composite thermoplastic thin layer; Form the air-packing film that includes free air diffuser, check valve and sealed air chamber through heat-sealing, the intersection of heat seal line and sealed air chamber's heat seal line is provided with the air guide device that is formed by heat-sealing under free air diffuser;
(2) the air-packing film that step (1) is obtained cuts by the sealed air chamber unit, turns down, seals the tank dome pack that forms five-layer structure then;
(3) free air diffuser one end that the tank dome that obtains in step (2) packs is offered the inflation breach, and the other end is offered tearable mouth, promptly obtains product.
Lower floor's composite thermoplastic thin layer described in the step (1) is composited by lower floor's thermoplastic film layer and function film layer.
Described lower floor composite thermoplastic thin layer is lower floor's thermoplastic film layer that the lateral surface plating is provided with aluminium film or plastic film.
Described lower floor composite thermoplastic thin layer is lower floor's thermoplastic film layer that lateral surface is coated with paint film.
Sealed air chamber unit described in the step (2) comprises 2～80 sealed air chamber.
Compared with prior art, the present invention can produce the functional packing material of all kinds of shapes, like lucifuge, waterproof, protection against the tide, wear-resistant, anti-ly fall, the sealing bag of antidetonation; Simultaneously, can provide that other function such as electrostatic prevention, antidetonation cushion, resistance to wear, withstanding corrosion, rust-proofing, can print etc. through the characteristic of utilizing plastic sheeting, and need not add external auxiliary device in addition; Only rely on inside and outside functional resin film through special processing; Through a series of simple local heat-seal bond, air is deposited in for a long time in a fully enclosed space, utilize this principle; Can produce a series of products and the relevant derived product of functional form from mucous membrane air block volumetric packaging material; Thereby significantly reduced the packing time, the accident of further having avoided packaging process to exist provides cost savings; After inflation is accomplished, air bag is sealed, guaranteed product quality stability through heat seal line.
The present invention is provided with air guide device in free air diffuser, can produce eddy current at air chamber passage place, thereby air-flow can be charged in the sealed air chamber smoothly unobstructedly, has improved aeration speed.The present invention is provided with the convenient inflation breach that inserts charging connector at an end of free air diffuser, thereby helps charge operation, and the other end is provided with tearable mouth, has made things convenient for the client to remove packaging bag in use.Be provided with the gauge point that heat-sealing forms on the baffling device of the present invention in free air diffuser, this gauge point helps quick open check valve, makes things convenient for air-flow to import sealed air chamber.
In addition; Adopted bar shaped, circle, rhombus or oval-shaped airtight stingy chamber as reinforced rib or hard points between the sealed air chamber of the present invention; And added the wiggle design, thereby the size of local gas column has been adjusted, can form the gas column of stepped differing heights; Can also tighten up packaging bag bight, bottom or sidepiece, thereby improve protective value product.Both sides of the present invention also are provided with aduncate heat seal line, and its outside can form handle after inflation, makes things convenient for the user to carry.
Description of drawings
Fig. 1 is the preceding deployed configuration scheme drawing of tank dome pack turnover heat-sealing of five-layer structure of the present invention;
Fig. 2 is the partial enlarged drawing of A part among Fig. 1;
Fig. 3 is the semi-sictional view structural representation of the air-packing film of five-layer structure;
Fig. 4 packs the structural representation after inflating for the tank dome of five-layer structure of the present invention.
1 is that free air diffuser, 2 is eddy zone for function film layer, 19 for lower floor's thermoplastic film layer, 18 for lower air valve film, 17 for upper air valve film, 16 for upper strata thermoplastic film layer, 15 for check valve, 14 for air chamber passage, 13 for baffling device, 12 for sealed air chamber's heat seal line, 11 for little air chamber, 10 for handle, 9 for gauge point, 8 for sealed air chamber, 7 for air guide device, 6 for heat seal line under the free air diffuser, 5 for tearable mouth, 4 for inflation breach, 3 among the figure.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is elaborated.
Like Fig. 1～shown in Figure 3, the pack of a kind of tank dome of five-layer structure, this tank dome pack is made up of through the turnover heat-sealing the packaging film of five-layer structure; Packaging film comprises that upper strata thermoplastic film layer 14, upper air valve film 15 and lower air valve film 16 constitute check valve rete, lower floor's thermoplastic film layer 17 and one deck function film layer 18; Function film layer 18 is located at the lateral surface of lower floor's thermoplastic film layer 17, and wherein, two-layer up and down thermoplastic film layer and check valve rete form a plurality of independently sealed air chamber 6 and check valve 13 through heat-sealing; An and free air diffuser 1; Each sealed air chamber 6 is communicated with free air diffuser 1 through check valve 13, and the junction of heat seal line 4 and sealed air chamber's heat seal line 10 is provided with the air guide device 5 that is formed by heat-sealing under the free air diffuser, forms the eddy zone 19 that makes things convenient for gas to import between adjacent two air guide devices 5; Air guide device 5 generally is Ω shape; One end of free air diffuser 1 is provided with and is beneficial to the inflation breach 2 of filling in charging connector, and the other end is provided with and is beneficial to the tearable mouth 3 that opens the package, and wherein inflates the end that breach 2 is opened in upper strata thermoplastic film layer 14; This inflation breach 2 is semicircle, and tearable mouth 3 is a crescent.
Upper air valve film 15 and lower air valve film 16 constitute check valve 13 after heat-sealing; Be provided with baffling device 11 between upper air valve film 15 and the lower air valve film 16; Upper air valve film 15 is connected with 14 heat-sealings of upper strata thermoplastic film; Lower air valve film 16 is connected with 17 heat-sealings of lower floor thermoplastic film, and check valve 13 is resealed and is divided into free air diffuser part and sealed air chamber's part, is provided with the gauge point 7 that forms by sealing on the baffling device 11 in the check valve of free air diffuser part.
Be provided with 15 independently sealed air chamber in the present embodiment; The sealed air chamber 6 identical or inequality by diameter constitutes; Each sealed air chamber 6 is provided with 1 or 2 or 3 air chamber passages 12; Centre portion in outermost sealed air chamber heat seal line 10 curves inwardly, and the inflation back, the outside of this aduncate heat seal line 10 forms handle 8, and sealed air chamber can also pass through 6 inside local heat-sealing and be separated out stingy chamber 9; This stingy chamber 9 is the not gas filed enclosure spaces that are used to tighten up packaging bag bight, bottom or sidepiece volume, and this enclosure space can be bar shaped, circle, ellipse or rhombus.Function film layer 18 is for having the thermoplastic film layer of light tight and/or electrostatic prevention, is connected through heat-sealing continuously with the border, both sides of lower floor thermoplastic film layer 17, and its end is connected through the discontinuous heat-sealing of point-like with the end of lower floor thermoplastic film layer 17.
The manufacturing approach of the tank dome pack of five-layer structure may further comprise the steps:
(1) with the stack successively from top to bottom of upper strata thermoplastic film layer 14, upper air valve film 15, baffling device 11, lower air valve film 16, lower floor's thermoplastic film layer 17; Form the air-packing film that includes free air diffuser 1, check valve 13 and sealed air chamber 6 through heat-sealing, heat seal line 4 is provided with the air guide device 5 that is formed by heat-sealing with the intersection of sealed air chamber's heat seal line 10 under free air diffuser;
(2) function film layer 18 is sealed the lateral surface that is connected lower floor's thermoplastic film layer 17; This function film layer 18 is a thermoplastic film layer; The border, both sides of border, both sides and lower floor thermoplastic film layer 17 is connected through heat-sealing continuously; Its end is connected through the discontinuous heat-sealing of point-like with the end of lower floor thermoplastic film layer 17, obtains the air-packing film of five-layer structure;
(3) the air-packing film that step (2) is obtained is that a sealed air chamber unit cuts by 15 sealed air chamber, turns down, seals the tank dome pack that forms five-layer structure then;
One end of the free air diffuser 1 that the tank dome that (4) obtains in step (3) packs is offered inflation breach 2, and the other end is offered tearable mouth 3, promptly obtains product, and this product inflation back is as shown in Figure 4.
Utilize above invention design technology project, can produce all kinds of shapes functional packing material such as lucifuge, waterproof, protection against the tide, anti-wearly, anti-fall, the sealing bag of antidetonation, like various products such as U type sealing bags.Simultaneously, can provide that other function such as electrostatic prevention, antidetonation cushion, resistance to wear, withstanding corrosion, rust-proofing, can print etc. through the characteristic of utilizing plastic sheeting.Design distinguished of the present invention is in traditional in the past method that prevents air leaks; Need not add external auxiliary device in addition; Only rely on inside and outside functional resin film,, air is deposited in for a long time in a fully enclosed space through a series of simple local heat-seal bond through special processing; Utilize this principle, can produce a series of products and the relevant derived product of functional form from mucous membrane air block volumetric packaging material.Any through changing the shape of heat-sealing; Folding mode; The specification of heat-sealing, position or the profile and the function that make product through selecting for use of different cuttings and different plastic sheeting characteristics change, as long as can reach the object of the invention, all belong to category of the present invention.
A kind of tank dome pack of five-layer structure; This tank dome pack is made up of through the turnover heat-sealing the packaging film of five-layer structure; Packaging film comprises two-layer thermoplastic film layer, middle two layers of unidirectional valve rete and one deck function film layer up and down; The compound lower floor's composite thermoplastic thin layer that becomes of lower floor's thermoplastic film layer and function film layer plates the lower floor's thermoplastic film layer that is provided with the aluminium film for lateral surface.
Two-layer up and down thermoplastic film layer and two layers of unidirectional valve rete form through heat-sealing has 2 independently sealed air chamber and check valves; An and free air diffuser; Each sealed air chamber is communicated with free air diffuser through check valve; The intersection of heat seal line and sealed air chamber's heat seal line is provided with the air guide device that heat-sealing forms under free air diffuser, and this air guide device is the shape of equicrural triangle, forms the passage that makes things convenient for gas to import between adjacent two air guide devices.
Be provided with at an end of free air diffuser and be beneficial to the crescent inflation breach of filling in charging connector, this inflation breach is opened in the end of upper strata thermoplastic film layer, and the other end is provided with and is beneficial to the semicircle tearable mouth that opens the package.
Check valve is made up of upper air valve film and lower air valve film; Be provided with baffling device between upper air valve film and the lower air valve film; The upper air valve film is connected with the heat-sealing of upper strata thermoplastic film; The lower air valve film is connected with the heat-sealing of lower floor thermoplastic film, and check valve is divided into free air diffuser part and sealed air chamber's part by heat seal line under the free air diffuser, is provided with the gauge point that forms by sealing in the baffling device position of the check valve of free air diffuser part.Formed 2 independently sealed air chamber's diameter is identical; Each sealed air chamber is provided with 1 air chamber passage; Can also pass through local heat-sealing in sealed air chamber inside and be separated out little air chamber, this little air chamber is the not gas filed bar shaped that is used to tighten up packaging bag bight, bottom or sidepiece volume, circular enclosure space.
This method of manufacturing approach of the tank dome pack of this five-layer structure may further comprise the steps:
(1) with the stack successively from top to bottom of upper strata thermoplastic film layer, two layers of unidirectional valve thin layer and baffling device, lower floor's composite thermoplastic thin layer; Form the air-packing film that includes free air diffuser, check valve and sealed air chamber through heat-sealing, the intersection of heat seal line and sealed air chamber's heat seal line is provided with the air guide device that is formed by heat-sealing under free air diffuser;
(2) the air-packing film that step (1) is obtained is that a sealed air chamber unit cuts by 2 sealed air chamber, turns down, seals the tank dome pack that forms five-layer structure then;
(3) free air diffuser one end that the tank dome that obtains in step (2) packs is offered the inflation breach, and the other end is offered tearable mouth, promptly obtains product.
A kind of tank dome pack of five-layer structure; This tank dome pack is made up of through the turnover heat-sealing the packaging film of five-layer structure; Packaging film comprises two-layer thermoplastic film layer, middle two layers of unidirectional valve rete and one deck function film layer up and down; The compound lower floor's composite thermoplastic thin layer that becomes of lower floor's thermoplastic film layer and function film layer is coated with lower floor's thermoplastic film layer of coating for lateral surface.
Two-layer up and down thermoplastic film layer and two layers of unidirectional valve rete form through heat-sealing has 80 independently sealed air chamber and check valves; An and free air diffuser; Each sealed air chamber is communicated with free air diffuser through check valve; The intersection of heat seal line and sealed air chamber's heat seal line is provided with the air guide device that heat-sealing forms under free air diffuser, and this air guide device is parabola shaped shape, forms the passage that makes things convenient for gas to import between adjacent two air guide devices.
Be provided with at an end of free air diffuser and be beneficial to the triangle inflation breach of filling in charging connector, this inflation breach is opened in the end of upper strata thermoplastic film layer, and the other end is provided with and is beneficial to the crescent tearable mouth that opens the package.
Check valve is made up of upper air valve film and lower air valve film; Be provided with baffling device between upper air valve film and the lower air valve film; The upper air valve film is connected with the heat-sealing of upper strata thermoplastic film; The lower air valve film is connected with the heat-sealing of lower floor thermoplastic film, and check valve is divided into free air diffuser part and sealed air chamber's part by heat seal line under the free air diffuser, is provided with the gauge point that forms by sealing in the baffling device position of the check valve of free air diffuser part.Formed 80 independently sealed air chamber's diameter have identical; The difference that has; Each sealed air chamber is provided with 1,2 or 3 air chamber passages; Can also pass through local heat-sealing in sealed air chamber inside and be separated out little air chamber, this little air chamber is the enclosure space that is used to tighten up not gas filed bar shaped, circle or the rhombus of packaging bag bight, bottom or sidepiece volume.
This method of manufacturing approach of the tank dome pack of this five-layer structure may further comprise the steps:
(1) with the stack successively from top to bottom of upper strata thermoplastic film layer, two layers of unidirectional valve thin layer and baffling device, lower floor's composite thermoplastic thin layer; Form the air-packing film that includes free air diffuser, check valve and sealed air chamber through heat-sealing, the intersection of heat seal line and sealed air chamber's heat seal line is provided with the air guide device that is formed by heat-sealing under free air diffuser;
(2) the air-packing film that step (1) is obtained is that a sealed air chamber unit cuts by 80 sealed air chamber, turns down, seals the tank dome pack that forms five-layer structure then;
(3) free air diffuser one end that the tank dome that obtains in step (2) packs is offered the inflation breach, and the other end is offered tearable mouth, promptly obtains product.
According to embodiments of the invention describing the present invention property and nonrestrictive description; But should understand; Do not breaking away under the situation of the relevant protection domain that limits claim; Those skilled in the art can make change and/or revise, and this change and/or modification all belong to category of the present invention.
Claims (26)
1. the tank dome of five-layer structure pack; This tank dome pack is made up of through the turnover heat-sealing the packaging film of five-layer structure, and described packaging film comprises two-layer thermoplastic film layer, middle two layers of unidirectional valve rete and one deck function film layer up and down, and described function film layer is located at the lateral surface of lower floor's thermoplastic film layer; Wherein, Two-layer up and down thermoplastic film layer and two layers of unidirectional valve rete form a plurality of independently sealed air chamber and check valve through heat-sealing, and a free air diffuser, and each sealed air chamber is communicated with free air diffuser through check valve; It is characterized in that; The junction of described sealed air chamber and free air diffuser is provided with the air guide device that is formed by heat-sealing, and an end of described free air diffuser is provided with and is beneficial to the inflation breach of filling in charging connector, and the other end is provided with and is beneficial to the tearable mouth that opens the package.
2. the tank dome of a kind of five-layer structure according to claim 1 pack; It is characterized in that; Described air guide device is located at the junction of sealed air chamber top and free air diffuser, forms the eddy zone that makes things convenient for gas to import between adjacent two air guide devices.
3. the tank dome of a kind of five-layer structure according to claim 2 pack is characterized in that, described air guide device is located at the intersection of heat seal line and sealed air chamber's heat seal line under the free air diffuser.
4. according to the tank dome pack of claim 1 or 2 or 3 described a kind of five-layer structures, it is characterized in that described air guide device generally is Ω shape, equicrural triangle or parabola shaped.
5. the tank dome of a kind of five-layer structure according to claim 1 pack is characterized in that described inflation breach is opened in the end of upper strata thermoplastic film layer, and this inflation breach is crescent, semicircle, triangle or trapezoidal.
6. the tank dome of a kind of five-layer structure according to claim 1 pack is characterized in that described tearable mouth is triangle, semicircle or crescent.
7. the tank dome of a kind of five-layer structure according to claim 1 pack; It is characterized in that; Described check valve rete is made up of upper air valve film and lower air valve film; Be provided with baffling device between this upper air valve film and the lower air valve film, the heat-sealing of described upper air valve film and upper strata thermoplastic film is connected, and described lower air valve film seals with the lower floor thermoplastic film and is connected.
8. the tank dome of a kind of five-layer structure according to claim 7 pack; It is characterized in that; Described check valve is resealed and is divided into free air diffuser part and sealed air chamber's part, is provided with the gauge point that is formed by heat-sealing in the baffling device position of free air diffuser check valve partly.
9. the tank dome of a kind of five-layer structure according to claim 1 pack is characterized in that described a plurality of independently sealed air chamber are made up of diameter sealed air chamber identical or inequality, and each sealed air chamber is provided with at least one air chamber passage.
10. the tank dome of a kind of five-layer structure according to claim 9 pack is characterized in that described sealed air chamber is provided with 1,2 or 3 air chamber passages.
11. the pack of the tank dome of a kind of five-layer structure according to claim 1 is characterized in that the centre portion of two outer lateral thermal sealing lines of described sealed air chamber curves inwardly, the inflation back, the outside of this heat seal line that curves inwardly forms handle.
12. the pack of the tank dome of a kind of five-layer structure according to claim 1 is characterized in that, described sealed air chamber can also pass through inside local heat-sealing and be separated out little air chamber.
13. the tank dome of a kind of five-layer structure according to claim 12 pack; It is characterized in that; Described little air chamber can be the not gas filed enclosure space that is used to tighten up packaging bag bight, bottom or sidepiece volume, and this enclosure space is bar shaped, circle, ellipse or rhombus.
14. the pack of the tank dome of a kind of five-layer structure according to claim 1 is characterized in that described function film layer is thermoplastic film layer, aluminium plating membrane, plating plastic film layer or the coating rete with light tight and/or electrostatic prevention.
15. the tank dome of a kind of five-layer structure according to claim 14 pack; It is characterized in that; The border, both sides of the border, both sides of described thermoplastic film layer with light tight and/or electrostatic prevention and lower floor thermoplastic film layer is connected through heat-sealing continuously; Its end is connected through the discontinuous heat-sealing of point-like with lower floor thermoplastic film layer end, and described aluminium plating membrane or the plating of plating plastic film layer are located at the lateral surface of lower floor's thermoplastic film layer, and described coating rete is coated on the lateral surface of lower floor's thermoplastic film layer.
16. the pack of the tank dome of a kind of five-layer structure according to claim 1 is characterized in that described a plurality of independently sealed air chamber are 2～80.
17. the pack of the tank dome of a kind of five-layer structure according to claim 16 is characterized in that preferred 5～20 of described a plurality of independently sealed air chamber.
18. the pack of the tank dome of a kind of five-layer structure according to claim 17 is characterized in that preferred 15 of described a plurality of independently sealed air chamber.
19. the manufacturing approach of the tank dome of a five-layer structure as claimed in claim 1 pack is characterized in that this method may further comprise the steps:
(1) with the stack successively from top to bottom of upper strata thermoplastic film layer, two layers of unidirectional valve thin layer and baffling device, lower floor's thermoplastic film layer; Form the air-packing film that includes free air diffuser, check valve and sealed air chamber through heat-sealing, the intersection of heat seal line and sealed air chamber's heat seal line is provided with the air guide device that is formed by heat-sealing under free air diffuser;
(2) the function film layer is sealed the lateral surface that is connected lower floor's thermoplastic film layer, obtain the air-packing film of five-layer structure;
(3) the air-packing film that step (2) is obtained cuts by the sealed air chamber unit, turns down, seals the tank dome pack that forms five-layer structure then;
(4) free air diffuser one end that the tank dome that obtains in step (3) packs is offered the inflation breach, and the other end is offered tearable mouth, promptly obtains product.
20. the manufacturing approach of the tank dome of a kind of five-layer structure according to claim 19 pack; It is characterized in that; Function film layer described in the step (2) is the thermoplastic film layer with light tight and/or electrostatic prevention; The border, both sides of the border, both sides of this thermoplastic film layer and lower floor thermoplastic film layer is connected through heat-sealing continuously, and its end is connected through the discontinuous heat-sealing of point-like with lower floor thermoplastic film layer end.
21. the manufacturing approach of the tank dome of a kind of five-layer structure according to claim 19 pack is characterized in that the sealed air chamber unit described in the step (3) comprises 2～80 sealed air chamber.
22. the manufacturing approach of the tank dome of a five-layer structure as claimed in claim 1 pack is characterized in that this method may further comprise the steps:
(1) with the stack successively from top to bottom of upper strata thermoplastic film layer, two layers of unidirectional valve thin layer and baffling device, lower floor's composite thermoplastic thin layer; Form the air-packing film that includes free air diffuser, check valve and sealed air chamber through heat-sealing, the intersection of heat seal line and sealed air chamber's heat seal line is provided with the air guide device that is formed by heat-sealing under free air diffuser;
(2) the air-packing film that step (1) is obtained cuts by the sealed air chamber unit, turns down, seals the tank dome pack that forms five-layer structure then;
(3) free air diffuser one end that the tank dome that obtains in step (2) packs is offered the inflation breach, and the other end is offered tearable mouth, promptly obtains product.
23. the manufacturing approach of the tank dome of a kind of five-layer structure according to claim 22 pack is characterized in that the lower floor's composite thermoplastic thin layer described in the step (1) is composited by lower floor's thermoplastic film layer and function film layer.
24. the manufacturing approach of the tank dome of a kind of five-layer structure according to claim 23 pack is characterized in that, described lower floor composite thermoplastic thin layer is lower floor's thermoplastic film layer that the lateral surface plating is provided with aluminium film or plastic film.
25. the manufacturing approach of the tank dome of a kind of five-layer structure according to claim 23 pack is characterized in that, described in lower floor's composite thermoplastic thin layer be lower floor's thermoplastic film layer that lateral surface is coated with paint film.
26. the manufacturing approach of the tank dome of a kind of five-layer structure according to claim 22 pack is characterized in that the sealed air chamber unit described in the step (2) comprises 2～80 sealed air chamber.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010617350.4A CN102556501B (en) | 2010-12-27 | 2010-12-27 | Air packaging bag with five-layer structure and manufacturing method thereof |
| CN201510007599.6A CN104724392B (en) | 2010-12-27 | 2010-12-27 | The air-packing bag and its manufacture method of a kind of five-layer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201010617350.4A CN102556501B (en) | 2010-12-27 | 2010-12-27 | Air packaging bag with five-layer structure and manufacturing method thereof |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510007599.6A Division CN104724392B (en) | 2010-12-27 | 2010-12-27 | The air-packing bag and its manufacture method of a kind of five-layer structure |
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| CN102556501A true CN102556501A (en) | 2012-07-11 |
| CN102556501B CN102556501B (en) | 2015-02-11 |
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| CN201010617350.4A Active CN102556501B (en) | 2010-12-27 | 2010-12-27 | Air packaging bag with five-layer structure and manufacturing method thereof |
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| CN108909041A (en) * | 2017-03-18 | 2018-11-30 | 邓炳刚 | A kind of bubble bags cutting equipment |
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| CN112092459A (en) * | 2020-09-21 | 2020-12-18 | 盐城工学院 | Inner bag of double-deck ton bag snatchs mechanism |
| CN112092459B (en) * | 2020-09-21 | 2022-04-22 | 盐城工学院 | Inner bag of double-deck ton bag snatchs mechanism |
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Address after: 201203 Shanghai Guo Shou Jing Road, Zhangjiang hi tech Park 351 Building No. 2 room A612-12 Applicant after: SHANGHAI AIR-PAQ COMPOSITE MATERIAL Co.,Ltd. Address before: 200122, room 3501, Bow On Building, 800 Dongfang Road, Shanghai, Pudong New Area Applicant before: SHANGHAI NILU INTERNATIONAL IMPORT AND EXPORT Co.,Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: SHANGHAI NILU INTERNATIONAL IMPORT + EXPORT CO., LTD. TO: SHANGHAI AIERBEI PACKAGE TECHNOLOGY DEVELOPMENT CO., LTD. |
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| C14 | Grant of patent or utility model | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A five layer structure air packaging bag and its manufacturing method Granted publication date: 20150211 Pledgee: Bank of Shanghai Co.,Ltd. Jing'an Sub branch Pledgor: SHANGHAI AIR-PAQ COMPOSITE MATERIAL Co.,Ltd. Registration number: Y2024310000118 |
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