CN2867012Y

CN2867012Y - Multi-layer air valve device

Info

Publication number: CN2867012Y
Application number: CN 200520131843
Authority: CN
Inventors: 赖宏斌
Original assignee: BOMPAK INTERNATIONAL Inc
Current assignee: BOMPAK INTERNATIONAL Inc
Priority date: 2005-10-24
Filing date: 2005-10-24
Publication date: 2007-02-07
Anticipated expiration: 2015-10-24

Abstract

The utility model is a multiple field air valve arrangement, including an upper velum, a lower velum and a multiple field air valve arrangement. The multiple field air valve arrangement is nipped between the upper velum and the lower velum to form an air packaging bag. And wherein the multiple field air valve arrangement comprises a first air valve velum, a second air valve velum, a third air valve velum and plural heat-proof printing nipped between the first air valve velum and the second air valve velum, plural heat-proof printing nipped between the second air valve velum and the third air valve velum. At the same time, the first inlet third airway is arranged between the first air valve velum and the second air valve velum, the second inlet third airway is arranged between the second air valve velum and the third air valve velum; thereby the aerating operation to the air packaging bag is accelerated, and the packaging efficiency is improved. In addition, using the character that the air valve velum is thin, the air valve velum contacts the upper velum more closely, the air-proof effect is achieved and the disadvantage that the air in the common aerated air packaging bag escapes easily is improved.

Description

The multiple layer air valve device

Technical field

The utility model relates to a kind of gas flushing pouch, is specifically related to a kind of multiple layer air valve device, is to form two or more intake ducts with the air valve film more than three layers or three layers, to quicken the carrying out of charge operation, promotes packaging efficiency.

Background technique

The known correlation technique that is used for the air valve device of gas packing bag in the prior art, for example No. the 245227th, 363600, China Taiwan patent etc.No. 245227 package bag is provided with an air valve, and this air valve is with extension piece valve to be sealed.No. 363600 then with a zipper strip as closing trivial, with the air valve sealing, prevent escape of gas.

But no matter seal the air valve opening with extension piece or with zipper strip, it is complicated that its structure is all disliked, and also is inconvenient to make.And for having plural air chamber in the package bag, each air chamber all each has an air valve independently, if still seal as air valve with traditional extension piece or zipper strip, its structure is the shape complexity more, and is also more difficult in the manufacturing, will significantly improve manufacture cost virtually.

In addition, known air valve device also has the air valve film with two, the middle design that forms an intake duct.But because single intake duct is only arranged, intake velocity is slower, easily the efficient of influence packing.

Summary of the invention

A kind of multiple layer air valve device of the utility model, it mainly is the innovation improvement of doing at the shortcoming of known package bag air valve, comprise: film on, once film, an and multiple layer air valve device, this multiple layer air valve device is to be folded between the upper and lower film, to form a gas packing bag, wherein, this multiple layer air valve device is by the air valve film more than three layers, and folder is established a plurality of heat-resisting printshops composition between each air valve film, and between each air valve film, form plural intake duct, to quicken charge operation to gas packing bag.

The concrete scheme that the utility model is recommended, described " the air valve films more than three layers " adopt three layers of air valve film, it is that concrete structure is: a kind of multiple layer air valve device, comprise: film on, film once, an and multiple layer air valve device, this multiple layer air valve device is to be folded in, between the following film, to form a gas packing bag, wherein, this multiple layer air valve device is by one first air valve film, one second air valve film, one the 3rd air valve film, and first, folder is established a plurality of heat-resisting printings between the two air valve films, second, folder is established a plurality of heat-resisting printshops composition between the three air valve films, and first, form first intake duct between the two air valve films, second, form second intake duct between the three air valve films, to quicken charge operation to gas packing bag.

And the thickness of this air valve film is preferable with 20～25 μ m, and makes with PE plastics or materials similar.

The utility model forms two or more intake ducts with the air valve film more than three layers or three layers, to quicken the carrying out of charge operation, promotes packaging efficiency.In addition, utilize the characteristic of the air valve film of thinner thickness, can be more docile when making the air valve film fit in film, promote airtight effect, to improve the shortcoming of losing heart easily in known gas packing bag inflation back.

In order to describe in detail, be illustrated as followsly especially exemplified by an embodiment, still, this embodiment is used to limit the utility model.

Description of drawings

Fig. 1 is the schematic representation of laminar air valve device more than the utility model.

Fig. 2 is the sectional view at the utility model first figure A-A place.

Fig. 3 is the manufacture process schematic representation that multiple layer air valve device of the present utility model is combined in the gas packing bag diaphragm.

Fig. 4 is a multiple layer air valve device of the present utility model schematic representation when enclosing unaerated in the gas packing bag.

The schematic representation of Fig. 5 when to be gas by the suction port of gas packing bag charge into.

Fig. 6 is a multiple layer air valve device of the present utility model when inflation, the sectional schematic diagram of single air chamber.

Fig. 7 is a multiple layer air valve device of the present utility model when finishing inflation, and first, second and third air valve mould of single air chamber is affixed on film and closes the sectional schematic diagram of air intake.

Fig. 8 is that gas packing bag of the present utility model is in finishing inflation, the schematic perspective view of expansion molding.

Fig. 9 is a multiple layer air valve device of the present utility model, and embodiment 2, the schematic representation during the gas packing bag unaerated.

Figure 10 is a multiple layer air valve device of the present utility model, and embodiment 2, and gas packing bag is in finishing inflation, the schematic perspective view of expansion molding.

Embodiment

Embodiment 1, a kind of multiple layer air valve device, see also Fig. 1, and sectional view Fig. 2 of A-A place of Fig. 1: this multiple layer air valve device 20 is by one first air valve film 24, one second air valve film 25, one the 3rd air valve film 26, and first, two air valve films 24, folder is established a plurality of heat-resisting printings 33 between 25, second, three air valve films 25, folder is established 33 compositions of a plurality of heat-resisting printings between 26, and first, two air valve films 24, form first intake duct between 25, second, three air valve films 25, form second intake duct between 26, to quicken charge operation to gas packing bag.This heat-resisting printing 33 is predetermined to be spaced setting with one, and its end by multiple layer air valve device 20 begins, and extends to suitable length, and aforesaid interval and length are to cooperate a plurality of air chambers of gas packing bag and determined.The main purpose that heat-resisting printing 33 is set is, when multiple layer air valve device 20 through follow-up hot pressing printing treatment the time, can avoid first, second and third

air valve film

24,25,26 to bond fully, gas can't charge into when making charge operation.That is heat-resisting printing 33 is when being to make charge operation, the air flue that enters as gas.And only about 20～25 μ m of the thickness of single air valve film, the thickness of the integral multi-layered formula air valve device 20 after finishing also only is about about 60～75 μ m.

The form of multiple layer air valve device 20 after finishing with rolling placed on the thermal printer device, see also Fig. 3, behind the film 21, brush both combinations with high hot stamping in the merging through first copper mold 51.Carry out the high hot stamping brush of weblike heat printing points 34 then with 52 pairs of these last films 21 of second copper mold and multiple layer air valve device 20, make first, second and third

air valve film

24,25,26 of forming multiple layer air valve device 20 and go up film 21, see through weblike heat printing points 34 the three-layer thin-film heat-sealing.After then remerging down film 22, carry out the hot stamping brush, will go up film 21, multiple layer air valve device 20, following film 22 triplicitys together with the 3rd copper mold 53.And then through the folding bag of follow-up front and back envelope printing, cooling integer, folding bag machine, and cut off and step (figure does not show) such as cut apart, can finish gas packing bag 1 as shown in Figure 4.This gas packing bag 1 is to be linked by a plurality of

air chambers

10,10..., and 10 of air chamber 10 and air chambers are separated with heat-sealing line 31, and these heat-sealing lines 31 are not uniformly-spaced being provided with, so the size that each air chamber 10 can different size is presented.One side appropriate location of this gas packing bag 1 is provided with a suction port 2, connects this suction port 2 and is provided with an intake duct 14, and this intake duct 14 has gas circuit to be communicated with each and every one air chamber 10.Therefore after gas is entered by the suction port 2 of gas packing bag 1, can follow the operation that intake duct 14 is inflated each and every one

air chamber

10,10....And multiple layer air valve device 20 has been enclosed between the upper and

lower film

21,22 at this moment, first, second and third

air valve film

24,25,26 of multiple layer air valve device 20 and upward 21 impression combinations that see through weblike heat printing points 34 of film form the air valve device that has air inlet and end airway dysfunction.

See also Fig. 5, when the suction port 2 of gas by gas packing bag 1 charges into, gas can enter each air chamber 10 along intake duct 14.When gas was desired to enter each air chamber 10, this weblike heat printing points 34 formed gas circuit, makes gas can enter air chamber 10 smoothly.Seeing also Fig. 6, is to get the sectional schematic diagram that single air chamber 10 is drawn.Because heat-resisting printing 33 is between first and second

air valve film

24,25 and second and third

air valve film

25,26, even therefore gas packing bag 1 is handled through the high hot stamping brush in several roads, still can prevent that first, second and third

air valve film

24,25,26 from bonding together mutually, gas can be fast entered in the air chamber 10 by heat-resisting printing 33 places of multiple layer air valve device 20.Because the utility model is provided with three layers of

air valve film

24,25,26, formed two intake ducts, therefore the speed that can accelerate to inflate promotes packaging efficiency.Then see also Fig. 7, when gas enters air chamber 10, air chamber 10 expansion moldings, when the operation that finishes air inlet is finished in inflation, then the pressurized gas of air chamber 10 inside will push first, two, three

air valve films

24,25,26 trilamellar membrane sheets deflection goes up film 21 1 sides, and make first, two, three

air valve films

24,25,26 tight pressings are on last film 21, because weblike heat printing points 34 is with last film 21, the first air valve film 24, the second air valve film 25, the 3rd air valve film 26 heat-sealings, so first, two, three

air valve films

24,25, can be partial to film 21 during 26 pressurizeds, rather than following film 22.Again because first, second and third

air valve film

24,25,26, and to go up film 21 etc. all be only to be that the PE plastic material film of 20～25 μ m is made by thickness, when the gas pressure in the air chamber 10 pushes first, second and third

air valve film

24,25,26 and is close to film 21, air intake with closed air chamber 10, and form airtightly, prevent the escape of gas in the air chamber 10.Because these

air valve film

24,25,26 suitable approaching will be more docile when fitting in film 21, make its airtight effect better, to improve the shortcoming of losing heart easily in father-in-law's gas packing bag inflation back.Simultaneously, this weblike heat printing points 34 also forms reverse function of ending gas, strengthens the airtight effect of air chamber 10.

See also Fig. 8, when gas packing bag 1 is finished charge operation, each air chamber 10 is gassy and expansion molding, following the fold line 40 that air chamber 10 is suppressed, this gas packing bag 1 is folded into stereoscopic-state by flat state, and then the inner space that surrounded of each air chamber 10 can become and accommodates thing storing place.Accommodating thing is subjected to the protection of air chamber can avoid damaging because of the vibration during transporting or impact.The intake duct 14 of each air chamber 10 is because inflation not, so still be filminess, therefore can cooperate opening 50 to insert the inner accepting space of gas packing bag 1 by this opening 50, and this still is the intake duct 14 of film shape, just can be used as capping and seals this opening 50 with desiring to accommodate thing.

Embodiment 2 expression: the utility model not necessarily will see also Fig. 9, Figure 10 with the reverse gas sealer of weblike heat printing points 34 as gas, also is feasible with difform heat-

sealing line

35,36 as the reverse gas sealer of gas.And this air chamber 10 is not must be big or small identical, and 10 of air chamber 10 and air chambers are arranged to have different spacings, forms the air chamber 10 that differs in size, to cooperate the shape of desiring packing material feasible yet.Certainly air chamber 10 is also non-must be arranged to rectangular column, and it can cooperate the shape of desiring packing material, changes the impression position of heat-sealing line 31, makes air chamber 10 form rhombus, circle, square, polygonal ... waiting all kinds of shapes (figure does not show), also is feasible.In addition,, be illustrated to form two intake ducts though aforesaid embodiment is the setting with three layers of air valve film,, the air valve film that is provided with more than three layers also is feasible to form plural intake duct.

Multiple layer air valve device of the present utility model forms two or more intake ducts with the air valve film more than three layers or three layers, to quicken the carrying out of charge operation, promotes the efficient of packing.In addition, utilize the characteristic of the air valve film of thinner thickness, can be more docile when making the air valve film fit in film, promote airtight effect, to improve the shortcoming of losing heart easily in known gas packing bag inflation back.

In sum, a kind of multiple layer air valve device of the utility model forms two or more intake ducts with the air valve film more than three layers or three layers, to quicken the charge operation to gas packing bag, promotes the efficient of packing, closes the usability on industry; And this multiple layer air valve device except significantly promoting the packaging efficiency, also can improve the shortcoming of losing heart easily in known gas package bag inflation back, has the progressive of promoting effect.

Claims

1, a kind of multiple layer air valve device, this multiple layer air valve device is to be folded between the upper and lower film, to form a gas packing bag, it is characterized in that, this multiple layer air valve device is by the air valve film more than three layers, and folder is established a plurality of heat-resisting printshops composition between each air valve film, and forms plural intake duct between each air valve film, to quicken the charge operation to gas packing bag.

2, according to the described multiple layer air valve device of claim 1, it is characterized in that: the thickness of each air valve film is 20～25 μ m.

According to the described multiple layer air valve device of claim 2, it is characterized in that 3, the material of described air valve film is the PE plastics.

4, according to the described multiple layer air valve device of claim 3, it is characterized in that: described multiple layer air valve device reaches and goes up film is with both heat-sealings with reverse gas sealer.

5, according to the described multiple layer air valve device of claim 4, it is characterized in that: described reverse gas sealer is weblike heat printing points or heat-sealing line.

6, according to the described multiple layer air valve device of one of claim 1～5, it is characterized in that: described " the air valve films more than three layers " adopt three layers of air valve film, concrete structure is: by one first air valve film, one second air valve film, one the 3rd air valve film, and first, folder is established a plurality of heat-resisting printings between the two air valve films, second, folder is established a plurality of heat-resisting printshops composition between the three air valve films, and first, form first intake duct between the two air valve films, second, form second intake duct between the three air valve films, to quicken charge operation to gas packing bag.

7, according to the described multiple layer air valve device of claim 6, it is characterized in that: the thickness of this second air valve film is 20～25 μ m.