CN103029892A - Exhaust bag and manufacture method thereof - Google Patents
Exhaust bag and manufacture method thereof Download PDFInfo
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- CN103029892A CN103029892A CN201210549705XA CN201210549705A CN103029892A CN 103029892 A CN103029892 A CN 103029892A CN 201210549705X A CN201210549705X A CN 201210549705XA CN 201210549705 A CN201210549705 A CN 201210549705A CN 103029892 A CN103029892 A CN 103029892A
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- bag
- valve
- way stop
- stop peturn
- air
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Abstract
The invention discloses an exhaust bag and a manufacture method and application thereof. The exhaust bag comprises a bag body and at least one retaining valve, wherein a holding space is formed by the bag body and is used for storing objects, the bag body is provided with at least one opening and at least one exhaust hole, the objects are placed in the holding space through the openings and then the openings are sealed, the retaining valves are arranged in the bag body and are adjacent to the exhaust holes so that the holding space is communicated with the exhaust holes, air in the holding space arrives at the exhaust holes through the retaining valves and is exhausted from the bag body from the exhaust holes; and because of a one-way retaining function of the retaining valves, outwards discharged air is returned to the holding space from the retaining valves, and therefore, the packaging volume of the whole exhaust bag after the objects are stored in the holding space is greatly reduced, and the exhaust bag is conveniently stored and transported.
Description
Technical field
The present invention relates to packaging bag, particularly a kind of degassing bag.
Background technology
Existing degassing bag generally comprises two bag layers, it overlaps each other to form the storage space of a containing objects, after article are placed to this storage space, thereby reduce whole packaging volume by the air inside the air extractor extraction degassing bag again, be convenient to store and transportation.In the packaging process of food, even to then the gas in the degassing bag be drained only the degassing bag sealing with vacuum extractor, thereby prevent the oxidation deterioration of food.
Yet, as above-mentioned, these traditional degassing bags all need to be equipped with the air that an air extractor is removed the degassing bag the inside, if the degassing bag next door does not have available air extractor, for example in transportation, when needing provisionally to bleed to some degassing bag, then only with manually obtaining good exhaust effect, because when manually going to push bag with exhaust, gas is easy to and can turns back in bag gas again.Traditional degassing bag also need to arrange extraction valve in the suitable location of bag, and this is just so that the manufacture craft complicated of degassing bag because after bag seal molding process, also needs to install extraly the step of blow off valve.
In addition; in order to make the outer air of bag no longer enter into bag; namely in order to guarantee the state of low air content in the bag; usually can all heat-sealing be so that the storage space in the bag thoroughly is hedged off from the outer world with bag, this is with regard to so that traditional degassing bag all can only disposable use and can not reuse.
Summary of the invention
Main purpose of the present invention is to provide a kind of degassing bag, it forms a spatial accommodation by a bag, air in the described spatial accommodation is discharged by at least one one way stop peturn valve that is arranged on the described bag, described one way stop peturn valve prevents that extraneous air from entering described spatial accommodation again, thereby reduce widely the packaging volume at the whole degassing bag that has object storing behind described spatial accommodation, so that store and transportation.
Another object of the present invention is to provide a kind of degassing bag, behind described spatial accommodation, by the method for extruding, air is discharged described degassing bag from described spatial accommodation via described one way stop peturn valve in object storing, thereby do not need extra air extractor, conveniently use and carry.
Another object of the present invention is to provide a kind of degassing bag, wherein said one way stop peturn valve can comprise two self binding film non return valve films, after air is discharged described degassing bag by described two valve films, because the characteristic of self-adhesive film, the outboard end of described two valve films fits together mutually, enter described spatial accommodation by described two valve films again with the air that prevents the outside, thereby described one way stop peturn valve is played the effect of sealing.
Another object of the present invention is to provide a kind of degassing bag, wherein said bag can comprise two bag layers that overlap each other, the medial end of two valve films of described one way stop peturn valve respectively with described two bag layer heat-sealings, after the air in the described spatial accommodation is discharged from the exhaust passage that forms between described two valve films by extruding, the outboard end of described two valve films fit together and and described bag layer between form a non-return space, when the gas that discharges by described one way stop peturn valve more, the gas that arrives described non-return space is met many, thereby form a gas pressure in the described outboard end of the described two valve films exhaust passage with the described two valve films of further sealing, thereby guarantee that outside air can not enter described spatial accommodation by described one way stop peturn valve again.
Another object of the present invention is to provide a kind of degassing bag, wherein said degassing bag one side is provided with opening, to be used for putting into of article, an other side is provided with described at least one one way stop peturn valve, and described opening seals after article are put into, and then air is discharged from described one way stop peturn valve, thereby do not need to arrange extraction valve, and described opening can also be opened after sealing, be stored in the article of described spatial accommodation with taking-up, thereby described degassing bag can repeated usage.
Another object of the present invention is to provide a kind of degassing bag; also be provided with a plurality of protection involutions place on the wherein said degassing bag; touch described one way stop peturn valve with the article that prevent from being stored in the described spatial accommodation; cause damage to affect performance on described one way stop peturn valve; in addition; described one way stop peturn valve is along a sealing lines setting; form between described protection involution place and the described potted line and be interrupted the passage that separates; like this when exhaust; described one way stop peturn valve forms the angle of opening between these passages, to be more conducive to the discharge of gas.
Another object of the present invention is to provide a kind of degassing bag, wherein be provided with a plurality of obstruct involutions that extend from described potted line at the external side end place of contiguous described one way stop peturn valve, two adjacent described obstruct involution places form tortuous cushion space, like this when air is discharged from described spatial accommodation, air arrives and enters into described non-return space in the described cushion space, thereby make exist in the described non-return space certain air pressure with the described outboard end that acts on described one way stop peturn valve to seal the exhaust passage of described one way stop peturn valve, and the air of described degassing bag outside also is not easy to enter into described exhaust passage by the cushion space of complications, thereby further plays the effect of sealing.
Another object of the present invention is to provide a kind of degassing bag, described one way stop peturn valve can also comprise that a non-return film is arranged between described two valve films, so that form a check cavity between described non-return film and a described valve film, the air of discharging from described container cavity like this is after discharge between the outboard end of described two valve films, even there is gas to return, also can arrive described check cavity, and make the certain air pressure of generation in the described check cavity, thereby further seal described exhaust passage, prevent that gas from entering into described spatial accommodation again, thereby strengthened the effect of one-way non-return.
Another object of the present invention is to provide a kind of degassing bag, wherein said degassing bag good sealing effect, exhaust and convenient, simple in structure, be fit to Quantity production, and can reuse, save cost, cut the waste.
Another object of the present invention is to provide a kind of degassing bag, its manufacture method is simple, only need to carry out the degassing bag product that a series of heat seal step can obtain wanting to the bag layer by a mould.
For reaching above purpose, the invention provides a kind of degassing bag, it comprises:
One bag, described bag forms a spatial accommodation, and being used for stored article, and described bag has at least one opening and at least one exhausr port, and described opening was sealed after described article were put into described spatial accommodation by described opening; And
At least one one way stop peturn valve, described one way stop peturn valve is arranged in the described bag and contiguous described exhaust ports, described one way stop peturn valve is connected described spatial accommodation with described exhausr port, air in the described spatial accommodation arrives described exhausr port and discharges described bag from described exhausr port by described one way stop peturn valve, and because the effect of the one-way non-return of described one way stop peturn valve, the air that discharges is prevented from returning described spatial accommodation from described one way stop peturn valve.
According to one embodiment of present invention, each described one way stop peturn valve comprises two valve films, the medial extremity of described two valve films is fitted with two inside faces of described bag respectively, and form an exhaust passage between the described two valve films, when air is discharged through described exhaust passage from described spatial accommodation, form the non-return space with air pressure between the described inside face of the external side end of described two valve films and described bag, thereby with described passageway seals, return again described spatial accommodation to prevent the air that arrives described non-return space.
According to one embodiment of present invention, described bag comprises two bag layers, and described two bag layers overlap each other to form described spatial accommodation, and two valve films of each described one way stop peturn valve are fitted in respectively on the described two bag layers and form described exhaust passage.Described two valve films are fexible films
According to one embodiment of present invention, each described one way stop peturn valve comprises: one first valve film and a second valve film; An and check valve membrane, described non-return diaphragm seal is overlapped between the medial extremity of described the first valve film and described second valve film, between described the first valve film and described check valve membrane, to form an exhaust passage, and between described check valve membrane and described second valve film, form a non-return passage, when described spatial accommodation vent the air overboard, described exhaust passage is used for outside exhaust is filled with gas with formation a non-return space, until air pressure make the external side end of described the first valve film and described second valve film overlapping and the sealing to close described exhaust passage, when air being arranged when wanting to enter described spatial accommodation between the external side end of described the first valve film and described second valve film, air is guided and enters described non-return passage, to produce additional air pressure, thereby further seal described exhaust passage, with the deficiency of the sealing effectiveness that compensates described the first valve film and described second valve film.
According to one embodiment of present invention, the length of described check valve membrane is less than the length of each described the first valve film and described second valve film, thereby when described check valve membrane was overlapped in the medial extremity of described the first valve film and described second valve film, the external side end of described the first valve film and described second valve film overlaped.
According to one embodiment of present invention, described bag comprises the first bag layer and the second bag layer, described the first bag layer and the second bag layer overlap each other to form described spatial accommodation, the medial extremity of the described first valve film of each described one way stop peturn valve and described the first bag layer are fitted hermetically, and the medial end of the medial extremity of the described second valve film of each described one way stop peturn valve and described check valve membrane and described the second bag layer are fitted hermetically.Described the first valve film, described second valve film and described check valve membrane are fexible films.
According to one embodiment of present invention, described one way stop peturn valve is made by polythene material basically.
According to one embodiment of present invention, each described one way stop peturn valve comprises:
One exhaust passage, described exhaust passage is connected with described spatial accommodation, air being expelled to described exhausr port from described exhaust passage and forming a non-return space, the effect owing to the air pressure in described non-return space after exhaust is finished of wherein said exhaust passage seals; With
One non-return passage, described non-return passage is opposite with the airintake direction of described exhaust passage, wherein when having air to want to enter described spatial accommodation, air is guided and enters described non-return passage, to produce additional air pressure, thereby further seal described exhaust passage, thereby prevent that air from entering in the described bag from described exhaust passage.
According to one embodiment of present invention, described opening is arranged on a side of described bag, and described one way stop peturn valve is arranged on the opposite side of described bag.
According to one embodiment of present invention, described opening is arranged on an open side of described bag, described one way stop peturn valve is arranged on an exhaust side of described bag, described open side and described exhaust side are the opposite both sides of described bag, thereby after described article are put into described spatial accommodation from the described opening of described open side, exhaust process is from described exhaust side, so that discharge the interior air of described spatial accommodation.
According to one embodiment of present invention, described degassing bag comprises a plurality of described one way stop peturn valves, and a plurality of described one way stop peturn valves are arranged on the described exhaust side of described bag abreast.
According to one embodiment of present invention, described degassing bag comprises an open-and-close mechanism, to be used for sealing or to open described opening.
According to one embodiment of present invention, described degassing bag comprises an open-and-close mechanism, to be used for sealing or to open described opening, described open-and-close mechanism comprises a pair of slide fastener keel that are separately positioned on described two bag layers, it intermeshes to seal described opening, and described open-and-close mechanism also comprises a sealing arrangement, it comprise two apart from one another by containment member, to form a seal groove, when the user holds described sealing arrangement, when making described slide fastener keel be arranged in described seal groove and described sealing arrangement to move along described slide fastener keel, described opening is sealed.According to one embodiment of present invention, the width of described seal groove is slightly smaller than the thickness of described slide fastener keel, and described slide fastener keel tighten up under the pressure-acting of described containment member, thereby with described opening sealing.
According to one embodiment of present invention; described bag at the inboard place of contiguous described one way stop peturn valve is provided with a plurality of protection sealings place; a plurality of described protection sealings place are apart from one another by the ground setting; to reserve the space so that the discharge of air in adjacent described protection sealing place; and described protection sealing place so that described article after putting into described spatial accommodation; can not touch described one way stop peturn valve; because the effect that intercepts has been played in described protection sealing place, the described article that can not be stored in described spatial accommodation thereby described one way stop peturn valve is protected damage.
According to one embodiment of present invention, also be provided with at least one enhanced leaktightness place at the exhaust side of described bag, to improve the sealing strength at described exhaust side place, also provide the space of an operating handle simultaneously for the user.
According to one embodiment of present invention, described bag also is provided with at least one obstruct involution place at contiguous described one way stop peturn valve place, two adjacent described obstruct involution places form tortuous cushion space, like this when air is discharged from described spatial accommodation, air arrives and enters into described non-return space in the described cushion space, thereby make the air pressure that exists in the described non-return space act on the described outboard end of described one way stop peturn valve to seal the exhaust passage of described one way stop peturn valve, and the air of described degassing bag outside also is not easy to enter into described exhaust passage by the described cushion space of complications, thereby further plays the effect of sealing.
According to one embodiment of present invention, described obstruct involution place is selected from Y shape, H shape, a kind of in T shape or other shapes.
According to one embodiment of present invention, described obstruct involution place comprises a primary seal zygonema, the the first side seal zygonema and the second sealing line that extend out from described primary seal zygonema respectively, a described side seal zygonema at adjacent two described obstruct involution places does not coincide together, but be formed with the interval, thereby so that air can reach from these intervals described exhausr port, then further discharge, the outer air of described like this bag is not easy to arrive described one way stop peturn valve place from the described cushion space that these obstruct involutions form, further prevented the possibility of air reverse osmosis, and, because there are these to intercept the iris action at involution place, when the gas of described spatial accommodation is discharged from the exhaust passage of described one way stop peturn valve, can form the described non-return space with air pressure, to be used for when exhaust is finished, sealing described exhaust passage.
According to one embodiment of present invention, described bag comprises a storage bag and a function bag, described storage bag forms the described spatial accommodation with described opening, to be used for stored article, be provided with described exhausr port on the described function bag, and form an exhaust space, the described spatial accommodation of described storage bag is communicated with by described check valve with the described exhaust space of described function bag, air in the described spatial accommodation enters described exhaust space by described one way stop peturn valve, and discharge described bag from described exhausr port, because the effect of the one-way non-return of described one way stop peturn valve, the air that discharges from described storage bag is prevented from returning described spatial accommodation from described one way stop peturn valve after entering the described exhaust space of described function bag.
The present invention also provides a kind of manufacture method of degassing bag, and it comprises step:
(a) prepare two bag layers that overlap each other, and be placed at least one one way stop peturn valve that is positioned at the exhaust side of described two bag layers in the described two bag layers;
(b) along both sides to heat-sealing place, and check valve seal place heat-sealing, with form one can stores spatial accommodation and have an opening, simultaneously, by described check valve seal place, described two bag layers and the described unidirectional only whole heat-sealings of valve, and described one way stop peturn valve forms false heat-sealing and has the exhaust passage; And
(c) seal along end heat-sealing place, leave the space between heat-sealing place of described end and described two side direction heat-sealings place, to have formed at least one exhausr port, wherein after article are put into described spatial accommodation by described opening, with described opening sealing, described one way stop peturn valve is connected described spatial accommodation with described exhausr port, air in the described spatial accommodation arrives described exhausr port and discharges described bag from described exhausr port by described one way stop peturn valve, and because the effect of the one-way non-return of described one way stop peturn valve, the air that discharges is prevented from returning described spatial accommodation from described one way stop peturn valve.
According to one embodiment of present invention, described step (b) also comprises step: two valve films at described one way stop peturn valve are provided with heat-resisting thing, thereby two described valve films are not fit together in heat seal process and form described exhaust passage, simultaneously medial extremity and the described two bag layer heat-sealing of described two valve films.
According to one embodiment of present invention, described step (b) also comprises step: with the medial extremity of the first valve film of described one way stop peturn valve and the first bag layer heat-sealing in the described two bag layers, medial extremity with the second valve film of described one way stop peturn valve, the second bag layer heat-sealing in the medial extremity of check valve membrane and the described two bag layers, and be respectively arranged with heat-resisting thing to form respectively described exhaust passage and a non-return passage between described the first valve film and the described check valve membrane and between described check valve membrane and the described second valve film.
According to one embodiment of present invention, described method also comprises step: the described opening part at described bag arranges an open-and-close mechanism, to be used for optionally opening or seal described opening.
According to one embodiment of present invention, described method also comprises step: place, the inboard heat-sealing at contiguous described one way stop peturn valve has a plurality of protection sealings place, is damaged to prevent described one way stop peturn valve.
According to one embodiment of present invention, along described both sides to heat-sealing place, and described check valve seal place forms a storage bag at when heat-sealing, to be used for stored article, form the function bag with described exhausr port between heat-sealing place of described end and the described check valve seal place, air in the described storage bag enters described function bag by described one way stop peturn valve, and discharge described bag from described exhausr port, because the effect of the one-way non-return of described one way stop peturn valve, after entering described function bag, the air that discharges from described storage bag is prevented from returning storage bag from described one way stop peturn valve.
The present invention also provides a kind of application process of degassing bag, and it comprises:
(i) article are put into the spatial accommodation of the storage bag of described degassing bag by an opening;
(ii) seal described opening; And
(iii) storage bag of described degassing bag is squeezed, thereby air enters the function bag of described degassing bag from the exhaust passage that described spatial accommodation passes at least one check valve, and further discharge described degassing bag from the exhausr port of described function bag, wherein because the effect of the one-way non-return of described one way stop peturn valve, the air that discharges is prevented from returning described spatial accommodation from described one way stop peturn valve.
Description of drawings
Fig. 1 is the schematic perspective view of degassing bag according to a preferred embodiment of the present invention.
Fig. 2 is the local enlarged diagram of the one way stop peturn valve of the degassing bag of above preferred embodiment according to the present invention.
Fig. 3 is the cutaway view of the one way stop peturn valve of the degassing bag of above preferred embodiment according to the present invention.
The scheme drawing of the degassing bag sealed open of Fig. 4 above preferred embodiment according to the present invention.
The scheme drawing that gas behind the article is discharged from degassing bag is housed in the degassing bag of Fig. 5 above preferred embodiment according to the present invention.
Fig. 6 be the above preferred embodiment according to the present invention degassing bag another the distortion embodiment structural representation.
Fig. 7 is the cutaway view according to the one way stop peturn valve of the degassing bag of another preferred embodiment of the present invention.
Fig. 8 is the local enlarged diagram of the one way stop peturn valve of the degassing bag of above-mentioned another preferred embodiment according to the present invention.
The specific embodiment
Extremely shown in Figure 5 such as Fig. 1, degassing bag according to a preferred embodiment of the present invention, it comprises a bag 10, but bag 10 forms the spatial accommodation 101 of a containing objects and at least one the sealable opening 102 that forms at bag 10, to be used for to described spatial accommodation 101 interior placing articles.That is to say that by described opening 102, the described spatial accommodation 101 of described bag 10 is able to be connected with the outside.Described opening 102 places behind the article that store or transport in the described spatial accommodation 101 of described bag 10 and just seals, and enters described spatial accommodation 101 to prevent extraneous air again.
Described degassing bag further comprises at least one one way stop peturn valve 20, and according to this preferred embodiment, described one way stop peturn valve 20 can be arranged on the edge of described bag 10, to be used for outside the described bag 10 of Bas Discharged in the described spatial accommodation 101.Particularly, after article being put into described spatial accommodation 101 by described opening 102, with described opening 102 sealings, and push described bag 10, described bag 10 is discharged by described one way stop peturn valve 20 in the space of described spatial accommodation 101, because the characteristic of the one-way non-return of described one way stop peturn valve 20, the air of discharging described spatial accommodation 101 no longer returns and enters described spatial accommodation 102, thereby form described degassing bag, to reduce the whole packaging volume that the described degassing bag of article is housed, store and transportation thereby make things convenient for.It is worth mentioning that contiguous described one way stop peturn valve 20 places are provided with at least one exhausr port 103 on the described bag 10, discharge the air of described one way stop peturn valve 20 and are discharged described bag 10 from described exhausr port 103.
Described bag 10 can comprise the described one way stop peturn valve 20 of a plurality of arrangement in parallels, and each described one way stop peturn valve 20 is self binding film non return valves.Described a plurality of one way stop peturn valve 20 can be arranged on the edge of a side of described bag 10, and described opening 102 can be arranged on the opposite side of described bag 10.That is to say that is sidelong into described spatial accommodation 101 article from the described opening 102 of described bag 10, and the more described one way stop peturn valve 20 by an other side with the described bag 10 of Bas Discharged in the described spatial accommodation 101.
Described bag 10 can be various shapes, such as oblong, and circle, triangle or other polygons.Described one way stop peturn valve 20 and described opening 102 can be arranged on the diverse location of described bag 10, in the present embodiment, as mentioned above, preferably, described one way stop peturn valve 20 and described opening 102 are arranged on the two opposite sides of described bag 10, thereby after described article are put into described spatial accommodation 101 by described opening 102, described object storing is at the open side 10a of contiguous described bag 10, thereby behind the described opening 102 of sealing, the air of small amount only between described article and the described open end 10a, in exhaust process, the air that the described article in described spatial accommodation 101 and described bag 10 are provided with between the exhaust side 10b of described one way stop peturn valve 20 is able to discharge from described one way stop peturn valve 20 fully.That is to say, described article are after putting into described spatial accommodation 101, because from a side 10b exhaust opposite with the open side 10a that puts into described article, thereby in exhaust process, farthest reduced air between the open side 10a that is blocked in described article and described bag 10 and as far as possible up hill and dale that the air exhausting between described article and the described exhaust side 10b is clean, thereby obtained the degassing bag of the basic emptying of air.
And in the prior art, normally after article are put into the degassing bag product by an opening, air in the degassing bag product is drained only with exhaust pump by this opening or near be arranged on this opening blow off valve again, at this moment because the article of putting into and the air pressure between the opening reduce suddenly, cause the article meeting near described opening, the inside face of described bag 10 can contact with described article, and the degassing bag product does not also have fully discharge away from the air of that side of opening, just fully do not drain because of stopping of article itself, thereby produced the corner that a lot of delays have air.And at present embodiment, 10a puts into article by open side, exhaust side 10b exhaust in addition, the described air 101 interior close described exhaust side 10b that hold are away from the air of described open side 10a, simultaneously also be that the described air 101 interior main air portion of holding are divided and are able to rapid discharge, thereby farthest reduced the air that remains in the described bag 10, reduced the corner that the also delay that forms between described article and described bag 10 inside faces has air.
As shown in Figures 2 and 3, particularly, each described one way stop peturn valve 20 can comprise two valve films 21 and 22, and is arranged on the inside of described bag 10, to form an exhaust passage 23 between two valve films 21 and 22.Described two valve films 21 and 22 have on two relative inside faces that are fitted in described bag 10 medial extremity 211 and 221 separately, and external side end 212 and 222 freely.In this preferred embodiment, described two valve films 21 and 22 separately medial extremity 211 and 221 heat-sealings on up and down two inside faces on the described bag 10.As shown in Figure 3, after described object storing is in described spatial accommodation 101 and after sealing described opening 102, by pushing described bag 10, air in the described spatial accommodation 101 enters described exhaust passage 23 between described two valve films 21 and 22, thereby the air in the described spatial accommodation 101 is discharged.
Because the characteristic of described two valve films 21 and 22 self-adhesive films, the air of discharging described spatial accommodation 101 can form a non-return space 24 at described external side end 212 and 222 places, and produce an air pressure, thereby the described external side end 212 and 222 of described two valve films 21 and 22 is pressed to the inside face of described bag 10, sealing described exhaust passage 23, thereby the air of discharging described spatial accommodation 101 no longer enters described spatial accommodation 101.It is worth mentioning that the air of discharging from described spatial accommodation 101 is more, the draught head between described non-return space 24 and the described exhaust passage 23 is larger, and described exhaust passage 23 is sealed must be tighter.Described two valve films 21 and 22 can be various fexible films, and as an example, described two valve films 21 and 22 can be polyethylene (PE) films.
More specifically, described bag 10 comprises two bag layers 11 and 12, described two bag layers 11 and 12 are made by airtight material, described two valve films 21 and 22 described medial extremity 211 and 221 are fitted on corresponding described two bag layers 11 and 12 hermetically, described two valve films 21 and 22 described external side end 212 and 222 are not fitted in corresponding described two bag layers 11 and 12, form described exhaust passage 23 between the described two valve films 21 and 22.When having air from described spatial accommodation 101, to discharge, the described external side end 212 of described two valve films 21 and 22 and 222 and described two bag layers 11 and 12 form described non-return space 24 between one of them, and the air pressure in the described non-return space 24 is enough greatly to seal described exhaust passage 23, as shown in Figure 3, described two valve films 21 and 22 and bag layer 12 between formed described non-return space 24.
In the present embodiment, described one way stop peturn valve 20 can be arranged on the exhaust side 10b of described bag 10 abreast abreast, and can be provided with the gap between the adjacent described one way stop peturn valve 20, but these gaps seal, that is to say that the position in these gaps, corresponding described two bag layers 11 and 12 position are that sealing is fitted, because at the described exhaust side 10b of described bag 10, air is only discharged described spatial accommodation 101 by described one way stop peturn valve 20.
As shown in Figure 4, open first described opening 102, then put into described article, described opening 102 can be sealed, such structure can have multiple, such as direct heat-sealing or stitching, in the present embodiment, also be provided with an open-and-close mechanism 13 on the described bag 10, described open-and-close mechanism 13 is used to form described opening 102 and can seals described opening 102, particularly, described open-and-close mechanism 13 comprises a pair of slide fastener keel 131 that are separately positioned on described two bag layers 11 and 12, and it intermeshes to seal described opening 102.And, as shown in Figure 4, described open-and-close mechanism 13 also comprises a sealing arrangement 132, it comprise two apart from one another by containment member 1321, to form a seal groove 1322, when the user holds described sealing arrangement 132, when making described slide fastener keel 131 be arranged in described seal groove 1322 and described sealing arrangement 132 to move along described slide fastener keel 131, because the width of described seal groove 1322 is slightly smaller than the thickness of described slide fastener keel 131, described slide fastener keel 131 tighten up under the pressure-acting of described containment member 1321, thereby with described opening 102 sealings.Be worth mentioning, described open-and-close mechanism 13 can also be opened described opening 102.That is to say, opening described opening 102, article are put into described spatial accommodation 101 and finish store or transportation after, open described opening 102 by described open-and-close mechanism 13 again, take out described article, whole degassing bag can drop into next round and use, thereby degassing bag of the present invention can reuse, save cost, reduced waste.
Illustrated among Fig. 5 when described spatial accommodation 101 is in-built described article are arranged after, gas is discharged from the process of described bag, when the air of described spatial accommodation 101 is squeezed when discharging through the exhaust passage 23 of described one way stop peturn valve 20, air arrives described non-return space 24, and act on the described external side end 212 and 222 of described two valve films 21 and 22, to seal described exhaust passage 23, then because described exhausr port 103 is connected with the non-return passage 24 that described one way stop peturn valve 20 forms, air is able to further discharge described bag 10 and can not return described spatial accommodation 101 again from described exhausr port 103.
It is worth mentioning that the bag 10 at contiguous described one way stop peturn valve 20 inboard places is provided with a plurality of protection sealings place 14, described protection sealing place 14 is apart from one another by the ground setting, to reserve the space so that the discharge of air in adjacent described protection sealing place 14.Described protection sealing place 14 so that described article after putting into described spatial accommodation 101; can not touch described one way stop peturn valve 20; because the effect that intercepts has been played in described protection sealing place 14, the described article that can not be stored in described spatial accommodation 101 thereby described one way stop peturn valve 20 is protected damage.In addition on the one hand, form between described protection involution place 14 and the described one way stop peturn valve 20 and be interrupted the passage that separates, when exhaust, described one way stop peturn valve 20 forms the angle of opening between these passages, to be more conducive to the discharge of gas like this.
Described exhaust side 10b at described bag 10 also is provided with at least one enhanced leaktightness place 15, to improve the sealing strength at exhaust side 10b place, also provides the space of an operating handle simultaneously for the user.
In addition, described bag 10 comprises in fact a storage bag 100a, and the function bag 100b of an end end alignment arrangement.Described storage bag 100a forms the described spatial accommodation 101 with described opening 102, and described function bag 100b forms an exhaust space 104, and is provided with at least one described exhausr port 103, to be used for exhaust.
Described storage bag 100a and described function bag 100b interrelate by at least one described check valve 20, and more specifically, described check valve 20 is connected described spatial accommodation 101 with described exhaust space 104.After in described spatial accommodation 101, putting into article to be packaged and with after described opening 102 sealings, the beginning exhaust process.Described storage bag 100a is squeezed, air in the bag enters the exhaust space 104 of described function bag 100b by the described exhaust passage 23 of described check valve 20, air forms certain air pressure in described exhaust space 104, thereby in described exhaust space 104, form described non-return space 24, to seal described exhaust passage 23.Final air is discharged from described exhausr port 103.
It is worth mentioning that degassing bag of the present invention can pass through a series of hot sealing process and make, with reference to as above shown in the figure, it roughly can comprise following step: prepare two bag layers 11 and 12 that overlap each other, and a plurality of unidirectional valve film 21 and 22 that ends valve 20; Along side direction heat-sealing place 1100,1200, and check valve seal place 1300 heat-sealings, with form one can stores spatial accommodation 101, it is worth mentioning that by described check valve seal place 1300, described bag layer 11 and 12, and a plurality of unidirectional valve film 21 and 22 whole heat-sealings of ending valve 20 are to form false heat-sealing.Particularly, described two valve films 21 and 22 described inside portion 211 and 221 are sealed with corresponding described bag layer 11 and 12, and be provided with barrier between described two valve films 21 and 22, for example be heat-resisting thing, thereby described two valve films 21 and 22 are not fit together and formed described exhaust passage 23.And simultaneously, in the heat-sealing of the inboard of contiguous described one way stop peturn valve 20 a plurality of described protection sealings place 14 are arranged, be damaged to prevent described one way stop peturn valve 20, described enhanced leaktightness place 15 also forms in heat seal process together.In addition, can also along end heat-sealing place 1400 heat-sealings, leave the space between described end heat-sealing place 1400 and described two side direction heat-sealings place 1100 and 1200, to have formed described exhausr port 103 in described bag 10 contiguous described one way stop peturn valve 20 those sides.Formed opening 102 in that side that does not have hot-sealing line on the degassing bag that forms, at described bag 10 described open-and-close mechanism has been set along described opening 102, to seal or to beat a mouthful described opening 102, whole like this degassing bag has just been made.
Be worth mentioning, degassing bag of the present invention can be larger with being widely used in volume, the packed and transported of the product that weight is lighter, down jackets for example, cotton-wadded quilt etc., its can be greatly saving transportation volume and cost.
Be another the distortion embodiment according to above preferred embodiment of the present invention as shown in Figure 6, the same with above-described embodiment, described degassing bag comprises bag 10A and at least one one way stop peturn valve 20A.Described bag 10A comprises that two bag layer 11A and 12A are to form spatial accommodation 101A, opening 102A, exhausr port 103A.Described one way stop peturn valve 20A comprises two valve film 21A and the non-return passage 24A of 22A to form exhaust passage 23A and to form after exhaust.
In the present embodiment, described bag 10A also is provided with a plurality of obstruct involution 16A of place at described external side end 212A and the 222A place of contiguous described two valve film 21A and 22A, two adjacent described obstruct involution 16A of place form tortuous cushion space 17A, like this when air is discharged from described spatial accommodation 101A, air arrives and enters into described non-return space 24A among the described cushion space 17A, thereby make exist among the described non-return space 24A certain air pressure with the described outboard end that acts on described one way stop peturn valve 20A to seal the exhaust passage 23A of described one way stop peturn valve 20A, and the air of described degassing bag outside also is not easy to enter into described exhaust passage 23A by the cushion space 17A of complications, thereby further plays the effect of sealing.
More specifically, the described obstruct involution 16A of place can be various shapes, such as Y shape, H shape, T shape, etc., as one for example, in the present embodiment, the described obstruct involution 16A of place comprises a primary seal zygonema 161A, and the first side seal zygonema 162A and the second sealing line 163A that extend out from described primary seal zygonema 161A respectively, the described side seal zygonema 162A of adjacent two described obstruct involution 16A of place does not coincide together, but be formed with interval 164A, thereby so that air can reach described exhausr port 103A from these intervals 164A, then further discharge.The outer air of described like this bag 10A is not easy to arrive described one way stop peturn valve 20A place from the cushion space 17A that these obstruct involutions 16A forms, and has further prevented the possibility of air reverse osmosis.And, because there are these to intercept the iris action of the involution 16A of place, when the gas of described spatial accommodation 101A is discharged from the exhaust passage 23A of described one way stop peturn valve 20A, can form the described non-return space 24A with certain air pressure, to be used for when exhaust is finished, sealing described exhaust passage 24A.
Be as shown in Figure 7 and Figure 8 the structural representation of one way stop peturn valve 20B according to a different embodiment, the same with above-described embodiment, described degassing bag comprises bag 10B and at least one one way stop peturn valve 20B.Described bag 10B comprises that two bag layer 11B and 12B are to form spatial accommodation 101B, opening 102B, exhausr port 103B.
Each described one way stop peturn valve 20B comprises the first valve film 21B and the second valve film 22B that is positioned at the outside and is positioned at an inboard check valve membrane 25B, described non-return diaphragm seal 25B is overlapped in the medial extremity of described the first valve film 21B and described second valve film 22B, with exhaust passage 23B of formation between described the first valve film 21B and described check valve membrane 25B, and between described check valve membrane 25B and described second valve film 22B, form a non-return passage 26B.
As shown in Figure 8, when described spatial accommodation 101B is squeezed with vent the air overboard, described exhaust passage 22B is used for outside exhaust and is filled with the non-return space 24B of gas with formation, until air pressure makes the overlapping and sealing of the external side end of described the first valve film 21B and described second valve film 22B to close described exhaust passage 23B.According to this preferred embodiment, when gas being arranged when wanting to enter described spatial accommodation 101B between the external side end of described the first valve film 21B and described second valve film 22B, air is guided and enters described non-return passage 26B, to produce additional air pressure, thereby further seal described exhaust passage 23B, with the deficiency of the sealing effectiveness that compensates described the first valve film 21B and described second valve film 22B.
Described check valve membrane 25B also is the thin layer flexible membrane.Preferably, described check valve membrane 25B, described the first valve film 21B and described second valve film 22B are polyethylene (PE) film.In addition, the thickness of each described bag layer 11B and 12B is greater than each described the first valve film 21B, the thickness of described second valve film 22B and described check valve membrane 25B.
According to a preferred embodiment of the invention, the length of described check valve membrane 25B is less than the length of each described the first valve film 21B and described second valve film 22B, thereby when described check valve membrane 25B was overlapped in the medial extremity of described the first valve film 21B and described second valve film 22B, the external side end of described the first valve film 21B and described second valve film 22B overlaped.
It is worth mentioning that, when by the outside exhaust of described exhaust passage 23B, the air flow in the described exhaust passage 23B and the air reverses of described non-return passage 26B, therefore, air can not enter described non-return passage 26B.When air wanted to return described exhaust passage 23B, air entered described non-return passage 26B and replenishes the further described filling channel 23B of sealing of air pressure to produce.
Correspondingly, in manufacturing process, be placed with described check valve membrane 25B between described the first valve film 21B and the described second valve film 22B, and the medial extremity of described second valve film 22B and described check valve membrane 25B and described bag layer 22 heat-sealing, the medial extremity of described the first valve film 21B and described bag layer 21 heat-sealing, and between described the first valve film 21B and the described check valve membrane 25B heat-resisting thing is arranged, thereby in heat seal process, do not have heat-sealing and form described exhaust passage 23B, also be provided with heat-resisting thing between described second valve film 22B and the described check valve membrane 25B, thereby in heat seal process, do not have heat-sealing and form described non-return passage 23B.
One skilled in the art will understand that the embodiments of the invention shown in foregoing description and the accompanying drawing only limit the present invention as an example and not.
This shows that the present invention's purpose complete and actv. is achieved.Function of the present invention and structural principle are showed in an embodiment and are illustrated, are not deviating under the described principle, and embodiment can be done any modification.So, present invention includes all the distortion embodiments based on claim spirit and claim scope.
Claims (32)
1. a degassing bag is characterized in that, comprising:
One bag, described bag forms a spatial accommodation, and being used for stored article, and described bag has at least one opening and at least one exhausr port, and described opening was sealed after described article were put into described spatial accommodation by described opening; And
At least one one way stop peturn valve, described one way stop peturn valve is arranged in the described bag and contiguous described exhaust ports, described one way stop peturn valve is connected described spatial accommodation with described exhausr port, air in the described spatial accommodation arrives described exhausr port and discharges described bag from described exhausr port by described one way stop peturn valve, and because the effect of the one-way non-return of described one way stop peturn valve, the air that discharges is prevented from returning described spatial accommodation from described one way stop peturn valve.
2. degassing bag as claimed in claim 1, it is characterized in that, each described one way stop peturn valve comprises two valve films, the medial extremity of described two valve films is fitted with two inside faces of described bag respectively, and form an exhaust passage between the described two valve films, when air is discharged through described exhaust passage from described spatial accommodation, form the non-return space with air pressure between the described inside face of the external side end of described two valve films and described bag, thereby with described passageway seals, return again described spatial accommodation to prevent the air that arrives described non-return space.
3. degassing bag as claimed in claim 1 is characterized in that, each described one way stop peturn valve comprises: one first valve film and a second valve film; An and check valve membrane, described non-return diaphragm seal is overlapped between the medial extremity of described the first valve film and described second valve film, between described the first valve film and described check valve membrane, to form an exhaust passage, and between described check valve membrane and described second valve film, form a non-return passage, when described spatial accommodation vent the air overboard, described exhaust passage is used for outside exhaust is filled with gas with formation a non-return space, until air pressure make the external side end of described the first valve film and described second valve film overlapping and the sealing to close described exhaust passage, when air being arranged when wanting to enter described spatial accommodation between the external side end of described the first valve film and described second valve film, air is guided and enters described non-return passage, to produce additional air pressure, thereby further seal described exhaust passage, with the deficiency of the sealing effectiveness that compensates described the first valve film and described second valve film.
4. degassing bag as claimed in claim 3, it is characterized in that, the length of described check valve membrane is less than the length of each described the first valve film and described second valve film, thereby when described check valve membrane was overlapped in the medial extremity of described the first valve film and described second valve film, the external side end of described the first valve film and described second valve film overlaped.
5. degassing bag as claimed in claim 2, it is characterized in that, described bag comprises two bag layers, and described two bag layers overlap each other to form described spatial accommodation, and two valve films of each described one way stop peturn valve are fitted in respectively on the described two bag layers and form described exhaust passage.
6. degassing bag as claimed in claim 4, it is characterized in that, described bag comprises the first bag layer and the second bag layer, described the first bag layer and the second bag layer overlap each other to form described spatial accommodation, the medial extremity of the described first valve film of each described one way stop peturn valve and described the first bag layer are fitted hermetically, and the medial end of the medial extremity of the described second valve film of each described one way stop peturn valve and described check valve membrane and described the second bag layer are fitted hermetically.
7. the degassing bag described in claim 2 or 5 is characterized in that, described two valve films are fexible films.
8. the degassing bag described in claim 3,4 or 6 is characterized in that, described the first valve film, and described second valve film and described check valve membrane are fexible films.
9. such as arbitrary described degassing bag in the claim 2 to 6, it is characterized in that described one way stop peturn valve is made by polythene material basically.
10. degassing bag as claimed in claim 1 is characterized in that, each described one way stop peturn valve comprises:
One exhaust passage, described exhaust passage is connected with described spatial accommodation, air being expelled to described exhausr port from described exhaust passage and forming a non-return space, the effect owing to the air pressure in described non-return space after exhaust is finished of wherein said exhaust passage seals; With
One non-return passage, described non-return passage is opposite with the airintake direction of described exhaust passage, wherein when having air to want to enter described spatial accommodation, air is guided and enters described non-return passage, to produce additional air pressure, thereby further seal described exhaust passage, thereby prevent that air from entering in the described bag from described exhaust passage.
11. degassing bag as claimed in claim 1 is characterized in that, described opening is arranged on a side of described bag, and described one way stop peturn valve is arranged on the opposite side of described bag.
12. degassing bag as claimed in claim 9, it is characterized in that, described opening is arranged on an open side of described bag, described one way stop peturn valve is arranged on an exhaust side of described bag, described open side and described exhaust side are the opposite both sides of described bag, thereby after described article were put into described spatial accommodation from the described opening of described open side, exhaust process was from described exhaust side, so that discharge the interior air of described spatial accommodation.
13. degassing bag as claimed in claim 12 is characterized in that, described degassing bag comprises a plurality of described one way stop peturn valves, and a plurality of described one way stop peturn valves are arranged on the described exhaust side of described bag abreast.
14. such as arbitrary described degassing bag in the claim 1 to 6, it is characterized in that described degassing bag comprises an open-and-close mechanism, to be used for sealing or to open described opening.
15. such as claim 5 or 6 described degassing bags, it is characterized in that, described degassing bag comprises an open-and-close mechanism, to be used for sealing or to open described opening, described open-and-close mechanism comprises a pair of slide fastener keel that are separately positioned on described two bag layers, it intermeshes to seal described opening, and described open-and-close mechanism also comprises a sealing arrangement, it comprise two apart from one another by containment member, to form a seal groove, when the user holds described sealing arrangement, when making described slide fastener keel be arranged in described seal groove and described sealing arrangement to move along described slide fastener keel, described opening is sealed.
16. degassing bag as claimed in claim 15 is characterized in that, the width of described seal groove is slightly smaller than the thickness of described slide fastener keel, and described slide fastener keel tighten up under the pressure-acting of described containment member, thereby with described opening sealing.
17. such as arbitrary described degassing bag in the claim 1 to 6; it is characterized in that; described bag at the inboard place of contiguous described one way stop peturn valve is provided with a plurality of protection sealings place; a plurality of described protection sealings place are apart from one another by the ground setting; to reserve the space so that the discharge of air in adjacent described protection sealing place; and described protection sealing place so that described article after putting into described spatial accommodation; can not touch described one way stop peturn valve; because the effect that intercepts has been played in described protection sealing place, the described article that can not be stored in described spatial accommodation thereby described one way stop peturn valve is protected damage.
18. such as arbitrary described degassing bag in the claim 1 to 6, it is characterized in that, also be provided with at least one enhanced leaktightness place at the exhaust side of described bag, to improve the sealing strength at described exhaust side place, also provide the space of an operating handle simultaneously for the user.
19. such as arbitrary described degassing bag in the claim 2 to 6, it is characterized in that, described bag also is provided with at least one obstruct involution place at contiguous described one way stop peturn valve place, two adjacent described obstruct involution places form tortuous cushion space, like this when air is discharged from described spatial accommodation, air arrives and enters into described non-return space in the described cushion space, thereby make the air pressure that exists in the described non-return space act on the described outboard end of described one way stop peturn valve to seal the exhaust passage of described one way stop peturn valve, and the air of described degassing bag outside also is not easy to enter into described exhaust passage by the described cushion space of complications, thereby further plays the effect of sealing.
20. degassing bag as claimed in claim 19 is characterized in that, described obstruct involution place is selected from Y shape, H shape, a kind of in the T shape.
21. degassing bag as claimed in claim 19, it is characterized in that, described obstruct involution place comprises a primary seal zygonema, the the first side seal zygonema and the second sealing line that extend out from described primary seal zygonema respectively, a described side seal zygonema at adjacent two described obstruct involution places does not coincide together, but be formed with the interval, thereby so that air can reach from these intervals described exhausr port, then further discharge, the outer air of described like this bag is not easy to arrive described one way stop peturn valve place from the described cushion space that these obstruct involutions form, further prevented the possibility of air reverse osmosis, and, because there are these to intercept the iris action at involution place, when the gas of described spatial accommodation is discharged from the exhaust passage of described one way stop peturn valve, can form the described non-return space with air pressure, to be used for when exhaust is finished, sealing described exhaust passage.
22. such as arbitrary described degassing bag in the claim 1 to 6, it is characterized in that, described bag comprises a storage bag and a function bag, described storage bag forms the described spatial accommodation with described opening, to be used for stored article, be provided with described exhausr port on the described function bag, and form an exhaust space, the described spatial accommodation of described storage bag is communicated with by described check valve with the described exhaust space of described function bag, air in the described spatial accommodation enters described exhaust space by described one way stop peturn valve, and discharge described bag from described exhausr port, because the effect of the one-way non-return of described one way stop peturn valve, the air that discharges from described storage bag is prevented from returning described spatial accommodation from described one way stop peturn valve after entering the described exhaust space of described function bag.
23. the manufacture method of a degassing bag is characterized in that, comprises step:
(a) prepare two bag layers that overlap each other, and be placed at least one one way stop peturn valve that is positioned at the exhaust side of described two bag layers in the described two bag layers;
(b) along both sides to heat-sealing place, and check valve seal place heat-sealing, with form one can stores spatial accommodation and have an opening, simultaneously, by described check valve seal place, described two bag layers and the described unidirectional only whole heat-sealings of valve, and described one way stop peturn valve forms false heat-sealing and has the exhaust passage; And
(c) seal along end heat-sealing place, leave the space between heat-sealing place of described end and described two side direction heat-sealings place, to have formed at least one exhausr port, wherein after article are put into described spatial accommodation by described opening, with described opening sealing, described one way stop peturn valve is connected described spatial accommodation with described exhausr port, air in the described spatial accommodation arrives described exhausr port and discharges described bag from described exhausr port by described one way stop peturn valve, and because the effect of the one-way non-return of described one way stop peturn valve, the air that discharges is prevented from returning described spatial accommodation from described one way stop peturn valve.
24. method as claimed in claim 23, it is characterized in that, described step (b) also comprises step: two valve films at described one way stop peturn valve are provided with heat-resisting thing, thereby two described valve films are not fit together in heat seal process and form described exhaust passage, simultaneously medial extremity and the described two bag layer heat-sealing of described two valve films.
25. method as claimed in claim 23, it is characterized in that, described step (b) also comprises step: with the medial extremity of the first valve film of described one way stop peturn valve and the first bag layer heat-sealing in the described two bag layers, medial extremity with the second valve film of described one way stop peturn valve, the second bag layer heat-sealing in the medial extremity of check valve membrane and the described two bag layers, and be respectively arranged with heat-resisting thing to form respectively described exhaust passage and a non-return passage between described the first valve film and the described check valve membrane and between described check valve membrane and the described second valve film.
26. such as arbitrary described method in the claim 23 to 25, it is characterized in that described method also comprises step: the described opening part at described bag arranges an open-and-close mechanism, to be used for optionally opening or seal described opening.
27. such as arbitrary described method in the claim 23 to 25, it is characterized in that described method also comprises step: place, the inboard heat-sealing at contiguous described one way stop peturn valve has a plurality of protection sealings place, is damaged to prevent described one way stop peturn valve.
28. such as arbitrary described method in the claim 23 to 25, it is characterized in that, along described both sides to heat-sealing place, and described check valve seal place forms a storage bag at when heat-sealing, to be used for stored article, form the function bag with described exhausr port between heat-sealing place of described end and the described check valve seal place, air in the described storage bag enters described function bag by described one way stop peturn valve, and discharge described bag from described exhausr port, because the effect of the one-way non-return of described one way stop peturn valve, after entering described function bag, the air that discharges from described storage bag is prevented from returning storage bag from described one way stop peturn valve.
29. the application process of a degassing bag is characterized in that, comprising:
(i) article are put into the spatial accommodation of the storage bag of described degassing bag by an opening;
(ii) seal described opening; And
(iii) storage bag of described degassing bag is squeezed, thereby air enters the function bag of described degassing bag from the exhaust passage that described spatial accommodation passes at least one check valve, and further discharge described degassing bag from the exhausr port of described function bag, wherein because the effect of the one-way non-return of described one way stop peturn valve, the air that discharges is prevented from returning described spatial accommodation from described one way stop peturn valve.
30. method as claimed in claim 29, it is characterized in that, each described one way stop peturn valve comprises two valve films, the medial extremity of described two valve films is fitted with two inside faces of described degassing bag respectively, and form described exhaust passage between the described two valve films, when air is discharged through described exhaust passage from described spatial accommodation, form the non-return space with air pressure between the described inside face of the external side end of described two valve films and described bag, thereby with described passageway seals, return again described spatial accommodation to prevent the air that arrives described non-return space.
31. method as claimed in claim 29 is characterized in that, each described one way stop peturn valve comprises: one first valve film and a second valve film; An and check valve membrane, described non-return diaphragm seal is overlapped between the medial extremity of described the first valve film and described second valve film, between described the first valve film and described check valve membrane, to form described exhaust passage, and between described check valve membrane and described second valve film, form a non-return passage, when described spatial accommodation vent the air overboard, described exhaust passage is used for outside exhaust is filled with gas with formation a non-return space, until air pressure make the external side end of described the first valve film and described second valve film overlapping and the sealing to close described exhaust passage, when air being arranged when wanting to enter described spatial accommodation between the external side end of described the first valve film and described second valve film, air is guided and enters described non-return passage, to produce additional air pressure, thereby further seal described exhaust passage, with the deficiency of the sealing effectiveness that compensates described the first valve film and described second valve film.
32. such as arbitrary described method in the claim 29 to 31, it is characterized in that, described step (ii) in, at the described opening part of described bag one open-and-close mechanism is set, to be used for optionally opening or seal described opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210549705XA CN103029892A (en) | 2012-12-17 | 2012-12-17 | Exhaust bag and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210549705XA CN103029892A (en) | 2012-12-17 | 2012-12-17 | Exhaust bag and manufacture method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103029892A true CN103029892A (en) | 2013-04-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210549705XA Pending CN103029892A (en) | 2012-12-17 | 2012-12-17 | Exhaust bag and manufacture method thereof |
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| Country | Link |
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| CN (1) | CN103029892A (en) |
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| CN110831865A (en) * | 2017-07-04 | 2020-02-21 | 株式会社柏原制袋 | Sheet-made relay valve and bag with relay valve |
| CN111164198A (en) * | 2017-10-03 | 2020-05-15 | Emd密理博公司 | Embossed film bioprocessing containers and integrity testing of bioprocessing containers |
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