CN1668509A - Compressive accommodation bag having non-return valve function - Google Patents
Compressive accommodation bag having non-return valve function Download PDFInfo
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- CN1668509A CN1668509A CNA028295471A CN02829547A CN1668509A CN 1668509 A CN1668509 A CN 1668509A CN A028295471 A CNA028295471 A CN A028295471A CN 02829547 A CN02829547 A CN 02829547A CN 1668509 A CN1668509 A CN 1668509A
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- Prior art keywords
- bag
- check valve
- film
- boiler check
- fusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/16—End- or aperture-closing arrangements or devices
- B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
- B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/01—Ventilation or drainage of bags
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
- B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
- B65D81/2007—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum
- B65D81/2038—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum with means for establishing or improving vacuum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/18—Containers, packaging elements or packages, specially adapted for particular articles or materials for wearing apparel, headwear or footwear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bag Frames (AREA)
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
Abstract
A compactor bag which has a substantially rectangular bag body 11 made of synthetic resin films 12 and 13, the bag body having an openable side 14 provided with a zipper 15 through which an item can be put into and taken out of the bag body 11. Check valve portions 20 are provided in right-triangular areas at both corners of a side opposite the openable side 14. Each of the check valve portions 20 has a flat and closable air release path 22 which is formed by fused portions f, g and 21 of the films 12 and 13, and air inside the bag body 11 is guided into the air release path 22 by the hypotenuse of the right-triangular area and is exhausted from the bag body 11 as indicated by arrow 'd'. The check valve portions 20 communicate with a packing space of the bag body 11 at the respective hypotenuses of the right-triangular areas. The check valve portions may be made of thin and soft films inserted between the films 12 and 13.
Description
Technical field
The present invention relates to compress accommodation bag, particularly relate to the compression accommodation bag that makes the degassing of bag in-to-in air, dress material and the tool of sleeping etc. can be accommodated compactly usefulness.
Background technology
In the past, when travelling waits,, provided various compression accommodation bags with boiler check valve function in order compactly dress material to be accommodated.Such as, shown in Figure 17 (A), knownly come in and go out as dress material and boiler check valve of being made up of 1 pair of diaphragm 4 and the compression accommodation bag that is formed with exhaust passage 5 are set on the peristome 2, another limit of usefulness in that switching slide fastener 3 freely is set on 1 limit of the bag of being made up of film of synthetic resin 1 by a kind of.
In this compression accommodation bag, dress material is housed in the bag 1 again with after slide fastener 3 apolipsis, shown in Figure 17 (B), if bag 1 is rolled with hand, then bag 1 in press liter, air by exhaust passage 5, carries out exhaust via the path shown in the arrow a from boiler check valve 4.After exhaust finishes, rely on depressurization in the bag 1 to make 1 pair of film driving fit of boiler check valve 4, the inside of bag 1 is held in airtight conditions.
Yet, when using above-mentioned compression accommodation bag,,, exist the inefficient problem of accommodating so can not accommodate dress material in the part of width b because of on 1 limit of bag 1, boiler check valve 4 and exhaust passage 5 being set with width b.
Summary of the invention
, the objective of the invention is to, what a kind of clothing class etc. was provided accommodates efficient and compression efficiency good compression accommodation bag for this reason.
Another object of the present invention is to, the compression accommodation bag that the boiler check valve section construction is simple, can carry out bag easily is provided.
To achieve these goals, compression accommodation bag of the present invention, be by the peristome of switching slide fastener freely as article discrepancy usefulness is set on 1 limit, and the bag of the general square shape of being made up of film of synthetic resin is constituted, it is characterized in that, in right angle trigonometry shape the boiler check valve part is set partly with at least 1 corner portion of the peristome reverse side of described bag, described boiler check valve part, the exhaust passage that is formed flat closed state by the fusion portion that is formed with the mutual locality of fusion portion of pressing from both sides rectangular limit and the film that is positioned at right angle trigonometry shape part constitutes, this exhaust passage, bag in-to-in air is imported from hypotenuse of a right triangle portion, to outside exhaust, and described boiler check valve part is joined in hypotenuse of a right triangle portion with the article receiving part of bag.
By the compression accommodation bag that above structure is formed, the bag that will contain clothing class etc. from the peristome side is rolled.At this moment, press liter in the bag, the air in the bag imports to the exhaust passage of boiler check valve part from hypotenuse of a right triangle portion, to outside exhaust.After exhaust finishes, because of reducing pressure in the bag, so the mutual driving fit of film of exposing to the exhaust passage will be held in airtight conditions in the bag.This driving fit can be carried out more reliably by following phenomenon, be the boiler check valve part of flat and narrow and small right-angled triangle because of the relation of accommodating thing, be subjected to certainly leading to curling phenomenon or warpage phenomenon from the fitfull influence of resettlement section with thickness, and bubble-tight maintenance is also good.
Compression accommodation bag of the present invention, owing to partly carry out air exhaust in the bag at the boiler check valve of at least 1 corner portion being located at bag, therefore, in bag, do not need to form again the exhaust passage with the split of boiler check valve part, can utilize the inside of bag to accommodate clothing class etc. by high efficiency.
Yet,, exist that air stockpiles in the corner portion of peristome reverse side and residual tendency in case bag is rolled from the peristome side.But, compression accommodation bag of the present invention, because the boiler check valve that air-out is used partly is arranged on the corner portion of peristome reverse side, so can discharge the overwhelming majority of residual air, exhaust/compression efficiency is good.
In compression accommodation bag of the present invention, preferably boiler check valve partly is formed at two corner portion with the peristome reverse side of bag.If boiler check valve partly is formed at two corner portion, then can further improve exhaust/compression efficiency.
Also can utilize the opposite face of the film of synthetic resin that constitutes bag to form the boiler check valve part.This occasion, because the film of synthetic resin of bag itself has constituted the boiler check valve part, therefore, simple structure, bag easily.And the raw material of film of synthetic resin preferably uses soft material.
Again, boiler check valve part preferably is made of the thin film of synthetic resin that insertion constitutes between the film of synthetic resin of bag.By forming boiler check valve, can improve the obturation effect after the exhaust with thin film.
In addition, compression accommodation bag of the present invention not only can be accommodated the clothing class and the tool of sleeping, and can also accommodate the bulk article of vegetables etc.
The simple declaration of accompanying drawing
Fig. 1 (A) will compress the block diagram of state in the accommodation bag compression process for the block diagram of the compression accommodation bag of expression the 1st example of the present invention, Fig. 1 (B) for expression.
Fig. 2 is the birds-eye view of the compression accommodation bag of expression the 1st example.
Fig. 3 is the amplification view of the peristome of the compression accommodation bag of expression the 1st example.
Fig. 4 is the instruction diagram of the bag operation of the compression accommodation bag of expression the 1st example.
Fig. 5 (A), (B), (C), (D) are the instruction diagram of the variation of the boiler check valve part of the compression accommodation bag of representing the 1st example respectively.
Fig. 6 is the birds-eye view of the compression accommodation bag of expression the 2nd example of the present invention.
Fig. 7 is the amplification plan view of the boiler check valve of the compression accommodation bag of expression the 2nd example.
Fig. 8 is the X-X amplification view of Fig. 7.
Fig. 9 is the birds-eye view of the boiler check valve of the compression accommodation bag of expression the 2nd example.
Figure 10 is the instruction diagram of the bag operation of the compression accommodation bag of expression the 2nd example.
The front view of Figure 11 boiler check valve of using during for the compression accommodation bag bag of expression the 2nd example.
Figure 12 represents that the compression accommodation bag of the 3rd example of the present invention, (A) are birds-eye view, (B) are the P-P cutaway view of (A).
Figure 13 is the instruction diagram of the bag operation of the compression accommodation bag of expression the 3rd example.
Figure 14 is the Y-Y line cutaway view of Figure 13.
Figure 15 is the Z-Z line cutaway view of Figure 13.
Figure 16 is the enlarged drawing of the Q portion of Figure 13.
Figure 17 (A), (B) are for representing the instruction diagram of traditional compression accommodation bag.
The specific embodiment
The example of compression accommodation bag of the present invention is described with reference to the accompanying drawings.
(the 1st example, with reference to Fig. 1～Fig. 4)
As Fig. 1 (A), (B) and shown in Figure 2, the compression accommodation bag 10A of the 1st example of the present invention is the shape that 2 film of synthetic resin 12,13 that formation is shown the back side is overlapped, forms the bag 11 of general square shape.This bag 11 closes 3 fusing of margins (drawing at the f of fusion portion, g, g place has oblique line), 1 limit is made the peristome 14 of usefulness such as the dress material of coming in and going out.
As shown in Figure 3, in the inner face side of peristome 14, fusing the slide fastener that combination constituted 15 by recess 17 and protuberance 18.This slide fastener 15 is a kind of by with recess 17 and protuberance 18 extrusion molding and integrally formed well-known structure on matrix part 16 respectively.The structure of slide fastener 15 and shape are arbitrarily, both can be and film 12,13 integraty extrusion moldings, also can be to be arranged to two strands for the air-tightness that improves bag 11, perhaps slide block is installed easily for the apolipsis that makes slide fastener 15.
The film 12,13 of bag 11 is lit-par-lit structure preferably, and as shown in Figure 3, film 12a, the 13a of inner face side can use polyethylene with fusion character, polypropylene etc., and film 12b, the 13b of exterior side can use polyamide, polyethylene terephthalate etc.
The characteristics of this compression accommodation bag 10A are, partly are provided with boiler check valve part 20 in the right angle trigonometry shape with two corner portion of peristome 14 reverse side of bag 11.As shown in Figure 2, this boiler check valve part 20 is made up of exhaust passage 22, and this exhaust passage 22 is to form flat closed state by the f of fusion portion, g that is formed with the rectangular limit of folder and the fusion portion 21 that is positioned at the mutual locality of the film 12,13 of right angle trigonometry shape part.In exhaust passage 22, bag 11 in-to-in air import from hypotenuse of a right triangle portion, shown in arrow d from the non-fusion g ' of portion to bag 11 outside exhausts.
The inside of bag 11 is the part of accommodating of clothing class etc. except boiler check valve part 20, and boiler check valve part 20 is accommodated part with this and directly joined in hypotenuse of a right triangle portion.
The venting quality of boiler check valve part 20 and bubble-tight degree are according to the adaptation of width, length and the film 12,13 of exhaust passage 22 and different.That is, if the width of exhaust passage 22 is wide and short and linearly, then venting quality is good.Otherwise, from air-tightness (non-return effect), narrow and the long and curved shape of the width of exhaust passage 22 preferably.The non-return effect is by taking place by film 12,13 mutual driving fits, if with the film warpage or curl, will inevitably driving fit on this position, and the blocking of will ventilating.As if exhaust passage 22 being made thin and growing, then can increase the chance and the reliability thereof of table back of the body film 12,13 driving fits, but unfavorable for the exhaust this point.
Therefore, as boiler check valve part 20, preferably when exhaust exhaust passage 22 is maintained in linearity, exhaust finishes the back and curls.Resemble this bag 11 with boiler check valve part 20 rectangular triangles be formed at the corner portion of bag 11, from this hypotenuse portion the in-to-in air is imported, and hypotenuse portion and article receiving partly join.Like this, because when exhaust, exhaust passage 22 is by the increase of interior pressure, be maintained in the surperficial parallel linear state of relative film 12,13, after exhaust finishes, in hypotenuse of a right triangle portion with flat part curls or warpage, therefore, be suitable from venting quality and bubble-tight viewpoint.That is, desirable method is: in the right angle trigonometry shape exhaust passage 22 is set partly and the inlet portion of exhaust passage 22 is set in this hypotenuse portion.
In this bag 11, in the space shown in the E of load maps 2 such as clothing class, can correspondingly improve and accommodate efficient.
Yet,, air is concentrated on corner portion F, the F (with reference to Fig. 1 (B)) of peristome 14 reverse side by the f of fusion portion, g, g in case bag 11 is rolled from peristome 14 sides.Owing to bag 11 is that boiler check valve part 20 is arranged at this structure that concentrated corner portion F, the F that interior pressure is increased of air carries out exhaust, so can will concentrate on most air exhaustion of corner portion F, F, exhaust/compression efficiency is good.
The automatic bag making operation of above-mentioned compression accommodation bag 10A is described below with reference to Fig. 4.
At first, in the 1st operation, the film 12,13 that will draw from cylinder separately overlaps, and simultaneously slide fastener 15 is fused on film 12,13, re-uses base part (the fusion portion f) fusion of the heating pole of landscape configuration with bag.Secondly, in the 2nd operation, use the heating pole of vertically configuration that lateral section (g of fusion portion) is fused.Heating pole also has the heating part that forms boiler check valve part 20 usefulness longitudinally, when fusing with lateral section, also with 21 fusions of fusion portion, to form exhaust passage 22.
Then, in the 3rd operation, film 12,13 is severed at the central portion of lateral section (g of fusion portion).Can obtain above-mentioned compression accommodation bag 10A thus.Boiler check valve part 20 also can be only forms in a certain side's of bag 11 corner portion, even but be arranged at two corner portion, also can be by finishing the fusion process of lateral section (g of fusion portion) for 1 time.
(variation of boiler check valve part, with reference to Fig. 5)
In the compression accommodation bag 10A of above-mentioned the 1st example, boiler check valve part 20 can consider to adopt different shape, and its main shape as shown in Figure 5.In addition, the shape of exhaust passage 22 and size can be set arbitrarily according to free air capacity.
Boiler check valve part 20 shown in Fig. 5 (A), be a kind of by forming exhaust passage 22 that fusion portion 21 is provided with linearity in the corner portion of bag 11, in hypotenuse of a right triangle portion the shape that fusion portion 23 makes the dykes and dams part being set, the exhaust passage is shown in arrow d.Again, the summit of bag 11 corner portion is prescinded.
Boiler check valve part 20 shown in Fig. 5 (B) is a kind of fusion portion 24 to be formed the shape that islands are provided with exhaust passage 22, and the exhaust passage is shown in arrow d.This occasion, the outlet of exhaust passage 22 become 2 positions of the non-fusion f ' of portion, g '.
Boiler check valve part 20 shown in Fig. 5 (C) is a kind of shapes that otch 26 is provided with exhaust passage 22 that form in the fusion portion 25 that forms island, on film 12,13, and the exhaust passage is shown in arrow d.In addition, the fusion portion 25 ' of island is used to prevent that the clothing class that exhaust passage 22 is accommodated etc. from blocking, and can keep the closed state of film 12,13.
Boiler check valve part 20 shown in Fig. 5 (D) is a kind ofly to form fusion portion 27, along the f of fusion portion the shape of exhaust passage 22 is set, and the exhaust passage is shown in arrow d.In addition, the fusion portion 25 ' of island is used to prevent that the clothing class that exhaust passage 22 is accommodated etc. from blocking, and can keep the closed state of film 12,13.
Certainly, in above variation, fusion portion 23,24,25,25 ', 27 is exactly the position with film 12,13 fusions.
(the 2nd example, with reference to Fig. 6～Figure 11)
As shown in Figure 6, the compression accommodation bag 10B of the 2nd example of the present invention, be a kind ofly will be arranged at two corner portion of peristome 14 reverse side of bag 11 by the boiler check valve 30 that 2 film of synthetic resin is formed, to replace the shape of the boiler check valve part 20 in above-mentioned the 1st example.Other structure is identical with above-mentioned the 1st example, at identical part mark and the shared symbol of the 1st example, omits the explanation of its repetition.
As Fig. 7～shown in Figure 9, boiler check valve 30 is the shapes that will have thin and soft 2 films 31,32 (such as polyethylene) fusions (h of fusion portion) of fusion character, with the hole 35 that runs through the bag 11 table back ofs the body exhaust passage 33 is set by forming the dendritic fusion portion of little tree 34.The exhaust pathway that is formed by exhaust passage 33 is shown in the arrow d of Fig. 7.
And boiler check valve 30 relative bags 11 make integrated by the f of fusion portion, g.The i of fusion portion shown in the oblique line of Fig. 7 is prevent from the to leak gas part of usefulness of film 31,32 fusion with the inner face of the film 12,13 of bag 11 and boiler check valve 30.When forming the fusion i of portion, must implement in advance fusion hinder handle, such as applying printing ink 36, so that the opposite face of film 31,32 does not fuse.
The using method of the compression accommodation bag 10B that is made up of above structure is identical with above-mentioned the 1st example, and its action effect is also identical.Particularly in the 2nd example, thin and soft film 31,32 have been used as boiler check valve 30, so the non-return effect after the exhaust (bubble-tight maintenance) is good.
The automatic bag making operation of above-mentioned compression accommodation bag 10B is described below with reference to Figure 10, Figure 11.
With reference to Figure 10, at first, in the 1st operation, the film 12,13 that will draw from cylinder separately overlaps, and simultaneously slide fastener 15 and boiler check valve 30 is inserted between the film 12,13.Then, for boiler check valve 30, fusion (i of fusion portion) respectively between film 12,13 in advance.
Secondly, in the 2nd operation, use heating pole 51 that slide fastener 15 is fused on each film 12,13, re-use the limit part f fusion of heating pole 52 bag 11.The effect with the operation of film 31,32 fusions on the film 12,13 of bag 11 of boiler check valve 30 has been played in the fusion of limit part f simultaneously.
Then, in the 3rd operation, the not shown heating pole that uses vertically configuration is with lateral section fusion (g of fusion portion).Form the breakthrough part 35 that exhaust is used simultaneously.In the 4th operation, film 12,13 is severed at the central portion of lateral section (g of fusion portion).Can obtain above-mentioned compression accommodation bag 10B thus.
In this 2nd example, also can form island fusion portion shown in Figure 5, to replace the dendritic fusion portion 34 of little tree.Again, also can form otch, to replace hole 35 as drain pipe overflow pipe.
(the 3rd example, with reference to Figure 12～Figure 16)
Shown in Figure 12 (A), the compression accommodation bag 10C of the 3rd example of the present invention, be that a kind of film of synthetic resin 41,42 with 2 is across this two corner portion on 1 limit of peristome 14 reverse side, is sandwiched the shape that boiler check valve 40 is set between the film 12,13, with the boiler check valve 30 that replaces above-mentioned the 2nd example.
4 film 12,13,41,42 is in the fusion mutually of the f of fusion portion, g place.On the k of fusion portion, shown in Figure 12 (B), the contact surface of film 12,41 contact surface mutual and film 13,42 fuses respectively each other, and the contact surface of film 41,42 does not fuse each other.
On this boiler check valve 40, the same with above-mentioned the 1st example, form exhaust passage 43 by forming the dendritic fusion portion 44 of little tree (also the fusion portion of island etc.).The fusion of fusion portion 44 and the fusion of lateral section (g of fusion portion) are carried out simultaneously, at this, and 4 film 12,13,41,42 fusions.The outlet of exhaust passage 43 is non-fusion g ' of portion, has only exposed thin and soft film 41,42 (such as polyethylene) in the exhaust pathway shown in the arrow d.In addition, also drain pipe overflow pipe can be arranged on the part of the f of fusion portion.
The described fusion k of portion is provided with according to following reason.That is, this is for film 41,42 when peristome 14 is accommodated such as clothing class can be fixed in film 41,42 inner face of film 12,13 to accommodating the cause that counteracts.Again, be for prevent air from drain pipe overflow pipe, be the non-fusion g ' of portion by entering between the film 12,41 and between the film 13,42.
The using method of the compression accommodation bag 10C that is made up of above structure is identical with above-mentioned the 1st, the 2nd example, and its action effect is also identical.Particularly in the 3rd example, used the film 41,42 of long size shape, do not made boiler check valve in advance above-mentioned the 2nd example and be connected with body 30 ' so do not need to resemble as boiler check valve 40.
The automatic bag making operation of above-mentioned compression accommodation bag 10C is described below with reference to Figure 13～Figure 16.
With reference to Figure 13, at first, in the 1st operation, the film 12,13 that will draw from cylinder separately overlaps, and simultaneously slide fastener 15 and film 41,42 is inserted between the film 12,13 (with reference to Figure 14).Secondly, in the 2nd operation, use heating pole 51 that slide fastener 15 is fused on each film 12,13, re-use heating pole 53 and in advance film 41,42 relative films 12,13 are fused (k of fusion portion) respectively.During this fusion, do not fuse each other, will fuse hampering plate 54 in advance and insert between the film 41,42 (with reference to Figure 15) in order to make film 41,42.In addition, also can resemble and apply fusion the 2nd example and hinder printing ink 36, to replace the insertion of plate 54.
Then, in the 3rd operation, use limit part (the fusion portion f) fusion of heating pole 52 with bag 11.The effect with the operation of film 41,42 fusions on the film 12,13 of bag 11 of boiler check valve 40 has been played in the fusion of this limit part simultaneously.
Then, in the 4th operation, use the not shown heating pole of vertically configuration that lateral section (g of fusion portion) is fused.The dendritic part of little tree of boiler check valve 40 also fuses (fusion portion 44) simultaneously, forms exhaust passage 43 and outlet (the non-fusion g ' of portion) (with reference to Figure 16) thereof.In the 5th operation, film 12,13 is severed at the central portion of lateral section (g of fusion portion).Can obtain above-mentioned compression accommodation bag 10C thus.
(other example)
Compression accommodation bag of the present invention is not limited to above-mentioned each example, can do various changes in the scope of its aim.
Particularly film 12,13,31,32,41,42, can use various resin materials.The detail structure and the shape of boiler check valve part 20, boiler check valve 30,40 can be any.
Again, in above-mentioned the 3rd example, boiler check valve 40 uses the structure that 2 films are overlapped, but also 1 film is sandwiched the structure between the film 12,13 of bag 11.
And, bag operation in above-mentioned the 1st, the 2nd and the 3rd example, be the operation of slide fastener 15 fusion on film 12,13 to be described in interior form, set in advance film that slide fastener 15 is installed, carry out bag by fusing processing but also can use to comprise.This occasion, the f of fusion portion becomes the return portion of film.Also bag 11 can be made the so-called structure that the packaging bag of support bar is arranged, described boiler check valve part 20 and boiler check valve 30,40 are set.
Also can described boiler check valve part 20 and boiler check valve 30,40 be set compressing on the accommodation bag by the attraction of using attraction air such as electric vacuum cleaner to carry out the bag compression again.
Utilizability on the industry
In sum, exhaust efficiency and the compression efficiency of the air in the compression accommodation bag of the present invention, bag are good Good, be particularly suitable for use when carrying after the compression of compactness such as clothing class.
Claims (4)
1. compression accommodation bag, by be provided with on 1 limit switching slide fastener freely as article come in and go out the peristome of usefulness, the bag of the general square shape be made up of film of synthetic resin constituted, it is characterized in that,
In right angle trigonometry shape the boiler check valve part is set partly with at least 1 corner portion of the peristome reverse side of described bag,
Described boiler check valve part, the exhaust passage that is formed flat closed state by the fusion portion that is formed with the mutual locality of fusion portion of pressing from both sides rectangular limit and the film that is positioned at right angle trigonometry shape part constitutes, this exhaust passage, bag in-to-in air is imported from hypotenuse of a right triangle portion, to outside exhaust
Described boiler check valve part is joined in hypotenuse of a right triangle portion with the article receiving part of bag.
2. compression accommodation bag as claimed in claim 1 is characterized in that, boiler check valve partly is formed at two corner portion with the peristome reverse side of bag.
3. compression accommodation bag as claimed in claim 1 is characterized in that, utilizes the opposite face of the film of synthetic resin that constitutes bag to form the boiler check valve part.
4. compression accommodation bag as claimed in claim 1 is characterized in that, the boiler check valve part, and the thin film of synthetic resin that is made of insertion between the film of synthetic resin of bag constitutes.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2002/009003 WO2004026717A1 (en) | 2002-09-04 | 2002-09-04 | Compressive accommodation bag having non-return valve function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1668509A true CN1668509A (en) | 2005-09-14 |
| CN100396572C CN100396572C (en) | 2008-06-25 |
Family
ID=32012200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028295471A Expired - Fee Related CN100396572C (en) | 2002-09-04 | 2002-09-04 | Compressive accommodation bag having non-return valve function |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20040057636A1 (en) |
| EP (1) | EP1535851A4 (en) |
| JP (1) | JPWO2004026717A1 (en) |
| CN (1) | CN100396572C (en) |
| AU (1) | AU2002335342A1 (en) |
| WO (1) | WO2004026717A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109502157A (en) * | 2018-12-08 | 2019-03-22 | 中山市太力家庭用品制造有限公司 | A kind of vacuum compression bag that can be disposable and its manufacturing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040000503A1 (en) * | 2002-06-28 | 2004-01-01 | Shah Ketan N. | Recloseable storage bag with porous evacuation portal |
| US6932509B2 (en) * | 2002-06-28 | 2005-08-23 | S. C. Johnson Home Storage, Inc. | Recloseable storage bag with secondary closure members |
| US8419279B2 (en) * | 2004-06-29 | 2013-04-16 | The Glad Products Company | Flexible storage bag |
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-
2002
- 2002-09-04 JP JP2003523885A patent/JPWO2004026717A1/en active Pending
- 2002-09-04 EP EP02807833A patent/EP1535851A4/en not_active Withdrawn
- 2002-09-04 AU AU2002335342A patent/AU2002335342A1/en not_active Abandoned
- 2002-09-04 US US10/312,723 patent/US20040057636A1/en not_active Abandoned
- 2002-09-04 CN CNB028295471A patent/CN100396572C/en not_active Expired - Fee Related
- 2002-09-04 WO PCT/JP2002/009003 patent/WO2004026717A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109502157A (en) * | 2018-12-08 | 2019-03-22 | 中山市太力家庭用品制造有限公司 | A kind of vacuum compression bag that can be disposable and its manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2002335342A1 (en) | 2004-04-08 |
| CN100396572C (en) | 2008-06-25 |
| AU2002335342A8 (en) | 2004-04-08 |
| US20040057636A1 (en) | 2004-03-25 |
| EP1535851A1 (en) | 2005-06-01 |
| WO2004026717A1 (en) | 2004-04-01 |
| JPWO2004026717A1 (en) | 2006-01-12 |
| EP1535851A4 (en) | 2009-04-29 |
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