CN101389541A - Collapsible bag for dispensing liquids and method - Google Patents
Collapsible bag for dispensing liquids and method Download PDFInfo
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- CN101389541A CN101389541A CNA2006800343185A CN200680034318A CN101389541A CN 101389541 A CN101389541 A CN 101389541A CN A2006800343185 A CNA2006800343185 A CN A2006800343185A CN 200680034318 A CN200680034318 A CN 200680034318A CN 101389541 A CN101389541 A CN 101389541A
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- Prior art keywords
- wall
- collapsible bag
- bag according
- walls
- mouth
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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
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/52—Details
- B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
- B65D75/5861—Spouts
- B65D75/5872—Non-integral spouts
- B65D75/5877—Non-integral spouts connected to a planar surface of the package wall
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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
- B65D2231/00—Means for facilitating the complete expelling of the contents
- B65D2231/001—Means for facilitating the complete expelling of the contents the container being a bag
- B65D2231/002—Means for facilitating the complete expelling of the contents the container being a bag comprising strips forming channels or liquid passageways
Abstract
A collapsible bag for dispensing liquids, including viscous liquids such as syrup and the like, comprises a first wall, a second wall, a spout, a surface variation associated with the first and second walls. The first wall and second wall are connected together to define a fluid chamber therebetween. The first wall and the second wall each have an inner surface facing the fluid chamber and an opposed outer surface. The spout is attached to one of the first and second walls, and has an opening therethrough having an axis substantially perpendicular to the one of the first and second walls to which it is attached. The surface variation is molded into at least a portion of the first wall and at least a corresponding portion of the second wall. The surface variation limits contact between the inner surfaces of the first wall and the second wall so as to define a minimum unstressed volume therebetween wherein at least a portion of the minimum unstressed volume is maintained substantially throughout evacuation of liquid therefrom by suction.
Description
The cross reference of related application
The application be submitted on February 1st, 2005, name be called " COLLAPSIBLE BAG FORDISPENSING LIQUIDS AND METHOD ", sequence number is related application 11/048622, co-pending U.S. Patent application; U.S. Patent application is for No. 11/048622 that name is called the US Patent the 6th, 851 of " COLLAPSIBLE BAG FOR DISPENSING LIQUIDS AND METHOD ", 579B2 number continuation application; US Patent the 6th, 851,579B2 number is that name is called the US Patent the 6th, 607 of " COLLAPSIBLE BAG FOR DISPENSING LIQUIDS AND METHOD ", 097B2 number continuation application; US Patent the 6th, 607, be for 097B2 number that on November 10th, 2000 submitted to, existing resigned, name be called " COLLAPSIBLE BAG FORDISPENSING LIQUIDS AND METHOD ", sequence number is the continuation application of 09/709,144 U.S. Patent application; U.S. Patent application the 09/709th, be for No. 144 that on November 10th, 1999 submitted to, name be called " COLLAPSIBLE BAG FOR DISPENSING LIQUIDS ANDMETHOD ", sequence number is 60/164, the continuation application of 699 U.S. Provisional Patent Application is incorporated this paper into as a reference in full at this whole specification sheets with above-mentioned each application.
Technical field
The present invention relates to be used for the Collapsible bag of dispense liquid product, more particularly relating to have provides liquid to remove the Collapsible bag of the inside face of passage.
Background technology
Known in the prior art multiple Collapsible bag or collapsible container are fit to filling liquid content and sealing, and the liquid contents that allows them is sucked out by their the annular mouth of pipe or accessory.The wall of described bag is generally plastic sheet, and these plastic sheets are made by polyethylene, polypropylene, nylon or polyester usually.Liquid contents can be fruit juice, milk, drink syrup or other liquid such as optical treatment solution, cleaning chemistry medicine or beverage for improving appetite compound for example.An embodiment promptly so-called " bag-in-box " of these Collapsible bags, it is generally used for carrying drink syrup to dispenser in the soft-drink industry.Described bag is admitted to bottle placer, and bottle placer is opened their lid, fills with syrup (or other liquid), gives its cover lid and vanning again.In the process of storage, transportation and when described bag is sky, described case structurally supports described bag.Use drawing device to inhale empty described bag, wherein via the described mouth of pipe of can leading to of a hole in the case by the mouth of pipe in the bag.
Be provided with and be fixed in the bag and help from described bag, to extract syrup so that feed mouth of pipe opening or be fixed in the plastics dip-tube of mouth of pipe opening or draw band.Draw band and prevent that described bag is folding and prevent that it from closing at opening part, and when the syrup continuous drawing goes out, also with residual syrup guide openings in the bag.Draw the inwall that band can attach to the mouth of pipe and/or plastic bag.Alternatively, dip-tube or draw band can attach to the bag perimeter seal.US Patent 4,286,636 (Credle), 4,601,410 (Bond), 5,647,511 (Bond), 5,915,596 (Credle) and 5, among 941,421 (Overman etc.) and among the WO 99/46,169 (Coca-Cola Company) dip-tube has been shown or has drawn the band and the embodiment of Collapsible bag thereof.(all patents of mentioning among the present invention and other 30 publications are all incorporated into this paper as a reference by integral body.)
Except needs are made dip-tube or are drawn the separate manufacturing step of band and need and make dip-tube or draw the auxiliary information of band, for have dip-tube or draw band described bag also need other independent manufacturing step.Usually, the mouth of pipe is fixed in after the described bag, dip-tube or draw band by attaching to the described mouth of pipe, described bag inwall or the perimeter seal or the above-mentioned combination of described bag be arranged in the described bag.This has increased manufacturing time and cost.Except the manufacturing cost height, these another shortcomings of drawing band are that they may shift out when the described bag of high-pressure filling.These another shortcomings of drawing band are that they may produce back pressure, thereby reduce the can rate.
Some solution is in the wall of material indenture to be set.Though this has obtained certain success, still there is shortcoming.At first, indenture that is associated with wall or passage often are not suitable for for example emptying of more viscous liquid such as syrup.And other this class solution can not be born the power that is associated with suction evacuation process usually, makes passage can fold usually before emptying.
Another object of the present invention is the shortcoming that overcomes above-mentioned prior art.
According to specification sheets and appended claims, it is obvious that these and other objects of the present invention will become.
Summary of the invention
The present invention includes the Collapsible bag that is used for dispense liquid, described liquid comprises for example thick liquid of syrup etc.Described bag comprises the first wall and second wall, the mouth of pipe, the surface variation of qualification minimum unstressed volume.The first wall and second wall form fluid cavity jointly betwixt.The first wall and second wall respectively have the inside face and the opposed outer surface in facing fluid chamber.The mouth of pipe attaches to a wall in the first wall and second wall, and have the opening that runs through wherein, described opening to have to be basically perpendicular to the mouth of pipe the axis of that wall in attached described first wall and second wall.Surface variation is embossed in the appropriate section at least of second wall of partial sum at least of first wall.Surface variation has limited the contact between the inside face of the first wall and second wall, so that form minimum unstressed volume betwixt.At least a portion of minimum unstressed volume is being kept from the whole process of evacuation of liquid wherein by suction basically.
In a preferred embodiment, the minimum unstressed volume between first and second walls is at least 0.18 cm3 of face area per square inch of each first wall and second wall.
In another preferred embodiment, the first wall and second wall respectively comprise a plurality of layers, and its ground floor comprises heat sealable polymeric material, and its second layer comprises the polymeric material of relative intensity greater than the ground floor relative intensity.
In such preferred implementation, ground floor comprises linear low density polyethylene, and the second layer comprises high density polyethylene (HDPE).In another such embodiment, the second layer is selected from: nylon, high density polyethylene (HDPE), polypropylene and polyester.
In a preferred embodiment, first wall and second wall thickness separately are less than 10 mils.More preferably, first wall and second wall thickness separately are less than 8 mils.
In a preferred embodiment, the first wall and second wall have the intensity that is limited by 30000psi secant modulus at least separately.More preferably, the first wall and second wall have the intensity that is limited by 45000psi secant modulus at least separately.
In another preferred implementation, surface variation defines the height of the inside face of any in the first wall and second wall, and this highly is the corresponding first wall and second wall thickness 1.3 to 2.5 times.
In another preferred implementation, surface variation comprises that the intussusception that has formed a plurality of peaks and paddy replaces the repeat patterns of elongated ridges portion, and wherein the one ridge of adjacency relative to each other is provided with obliquely.
In such embodiment, the one ridge of adjacency is set to orthogonal.
In another preferred implementation, each peak of each peak of the elongated ridges portion of first wall and the elongated ridges portion of second wall abut to form the volume of at least 0.36 cm3 per square inch.
In such preferred implementation, each elongated ridges portion has basic semisphere cross section along its at least a portion.
In another such preferred implementation, each elongated ridges portion has 0.0625 inch to 0.1825 inch length.
Preferably, surface variation is substantially along each 85% the extending of skin area of first wall and second wall at least.In another preferred implementation, surface variation is extended along the whole first wall and second wall substantially.
In another preferred implementation, first wall comprises also with second wall and is arranged on the 3rd layer relative with ground floor on the second layer that the 3rd layer comprises polymeric material.In such embodiment, the 3rd layer comprises the linea low density material lower than second layer intensity.
In a preferred implementation, this Collapsible bag also comprises outside first wall and outside second wall, and the outside first wall that is arranged on the first wall is connected at sealing part usually with outside second wall on being arranged on second wall, to form double-deck Collapsible bag.
In another preferred implementation, Collapsible bag also comprises the mouth of pipe, and wherein the mouth of pipe also comprises elongated openings and base flange.Base flange is extended around elongated openings.Flange has basal surface, and wherein basal surface comprises a plurality of Surface Groove disposed thereon.
In such preferred implementation, a plurality of Surface Groove comprise radial slot.In another such preferred implementation, a plurality of Surface Groove comprise the combination of a plurality of concentric circles annular grooves and a plurality of radial slots.
Description of drawings
With reference now to accompanying drawing, present invention is described, wherein:
Fig. 1 of accompanying drawing comprises that the present invention is used for the transparent view of an embodiment of the Collapsible bag of discharged liquid;
Fig. 2 of accompanying drawing comprises the part transparent view of Collapsible bag, has specifically illustrated its unstressed minimum volume;
Fig. 3 of accompanying drawing comprises the partial top view of the first wall of Collapsible bag of the present invention, has specifically illustrated its surface variation;
Fig. 4 of accompanying drawing is the partial cross section of the Collapsible bag of the present invention that dissects along the 4-4 line of Fig. 2;
Fig. 5 of accompanying drawing comprises the transparent view of the mouth of pipe of Collapsible bag of the present invention;
Fig. 6 of accompanying drawing comprises the lateral plan of a Collapsible bag part of the present invention, has specifically illustrated its mouth of pipe;
Fig. 7 of accompanying drawing comprises roughly the cross sectional view of the Collapsible bag of the present invention that dissects along the 7-7 line of Figure 10, has specifically illustrated first wall and second wall multiple-structure separately;
Fig. 8 of accompanying drawing comprises the section drawing of another embodiment of flexible cell of the present invention, has specifically illustrated its double-decker;
Fig. 9 of accompanying drawing comprises embodiment adopting Collapsible bag of the present invention and to the scheme drawing of the test process of container;
Figure 10 of accompanying drawing comprises the birds-eye view of Collapsible bag of the present invention, has specifically illustrated it and has sealed; With
Figure 11 a of accompanying drawing and 11b comprise an embodiment of Collapsible bag of the present invention, have specifically illustrated it and have sealed.
The specific embodiment
Though the present invention allows multiple multi-form embodiment, but shown in the drawings and this paper describes several specific embodiment in detail, should be appreciated that the disclosure should be counted as giving an example of the principle of the invention, is limited to the embodiment that illustrates with the present invention unintentionally.
Should be appreciated that same or analogous element mentioned in this article and/or parts can be identified by same reference numeral in institute's drawings attached.In addition, be to be understood that accompanying drawing only for of the present invention schematically showing, for illustrating clearly purpose, some parts may with the actual ratio distortion.
Description and with particular reference to Fig. 1, Collapsible bag of the present invention totally is depicted as 10.Collapsible bag comprises first wall 12, the second walls 14, seals 15, the surface variation 16 and the mouth of pipe 18.Collapsible bag can be configured to various different sizes.Seal 15 and connect the first wall 12 and second wall 14, to form fluid cavity 56.
More specifically, with reference to Figure 10, first wall and second wall can comprise by on seal 15a, lower sealing 15b and relative side seal mouth 15c and two separable material piece of 15d bonded assembly.A kind of such container is commonly referred to pillow container.These containers can have alternate configurations, three seal pillow container shown in Figure 11 a for example, and wherein material piece is used to form antetheca and rear wall.In such embodiment, vertical seal 15e connects the two ends of single material piece along second wall 14, thereby forms antetheca and rear wall.And, on seal 15a and lower sealing 15b and the sidepiece folded part forms fluid cavity.In other embodiments, the embodiment shown in Figure 11 b for example, an independent sheet can be around an edge contraction.Successively, on seal that 15c and 15d are sealed in 15a (or lower sealing 15b) and both sides and the folded part that seals on another with the lower sealing place links together wall jointly, to form cavity 56.Certainly, consider other structures equally, both comprised the distortion of said structure, also comprised the combination of said structure and other structure.
The present invention has considered that fluid cavity can comprise multiple different size and dimension.A kind of common shape comprises 2.5 gallon bag that are roughly rectangle, and wherein to be about be 17 ＂ to bag, wide about 21 ＂ of bag.Other common structure comprises the long and 5 wide gallon bag of 24 ＂ of 18.75 ＂ with essentially rectangular shape.Certainly, the invention is not restricted to these structures.Preferably, the mouth of pipe 18 between the opposite side edge of bag near on seal with lower sealing in one.Certainly, the present invention has considered other position of sealing equally.
The present invention relates generally to be contained in the discharging of the liquid in the fluid cavity 56.In the relevant use of Collapsible bag of the present invention, considered the situation of any amount liquid.One of more difficult class of liquids of discharging from Collapsible bag comprises for example liquid of the common thickness of syrup and paste and so on.Because the mechanical characteristic of these liquid and total resistance to flow, make their generally more difficult dischargings.
With reference to figure 4, first wall 12 is shown in outside face 20, inside face 22, thickness 24 and the opening 26 (Fig. 1).Inside face 22 contacts with fluid in the fluid cavity.Thickness 24 is more preferably less than 8 mils usually less than 10 mils.Though considered bigger thickness, one of advantage of the present invention is to realize suitable emptying with the film of relative thin.The intensity of material is that secant modulus is 30,000psi to 80, and 000psi more preferably surpasses 45,000psi.Opening 26 extends to outside face 20 from inside face 22.Opening of the present invention is circular substantially and is uniformly basically, though considered other structure equally.
A kind of embodiment of trilamellar membrane is shown in Figure 7 for comprising ground floor 30, the second layer 32 and the 3rd layer 34.Ground floor contacts with the liquid that is arranged in fluid cavity 56.Ground floor 30 comprises and being easy to and the second wall equivalent layer leak free material.In the present invention, ground floor 30 comprises linear low density polyethylene (LLDPE).This layer can have the density of thickness and every cm3 0.922 gram of about 3 mils.Certainly, considered to use to have greater or lesser thickness of material.
The second layer 32 comprises generally than the ground floor material of rigidity (promptly firmer) more.The second layer has increased the performance of whole first wall, so that surface variation had both remained on unstress state, keeps the stress orientation again when passing through suction from the fluid cavity discharged liquid.In this preferred implementation, the second layer comprises HDPE (high density polyethylene (HDPE)).In the embodiment of considering, the thickness of the second layer is generally less than the thickness of ground floor.In the present invention, the thickness of the second layer is about 1.2 mils, and material has the density of about 0.990 gram of every cm3.
The 3rd layer of 34 material that comprises generally demonstrates the characteristic of having improved with respect to second material relevant with heat-sealing and/or stress cracking.The 3rd layer preferably includes the LLDPE material.In the present embodiment, this material thickness is about 1.5 mils, and in the present embodiment, density is about every cm3 0.930 gram.
In some embodiments, the 3rd layer can be omitted, only stay the ground floor and the second layer.In other embodiments, can use extra layer, for example, oxygen barrier layer, have the skin of favourable mechanical specialities (for example wearing character, erosion property, folding characteristic etc.).In other embodiment, embodiment for example shown in Figure 8 has been considered the multilayer Collapsible bag.In this embodiment, except that the first wall and second wall, material layer independently (being connected in separately wall at sealing part) can also be set overlap on the first wall and second wall, wherein for example the ground floor 52 and the second layer 54 of material layer independently.In other embodiments, Collapsible bag can comprise a plurality of independently material layers.At last, in other embodiments, single layer has above-mentioned characteristic.
Surface variation 16 is shown as in Fig. 2 and 3 in a preferred implementation, comprises alternately nested elongated members, and for example extended part 60.Nested elongated members can be arranged on in the first wall inside face and the second wall inside face one or two.Preferably, extended part is arranged on first wall and second wall on the two.Extended part is by forming (preferably this film of heating before it forms, and cool off this film after it forms) impressing pattern on the film.
The section drawing of surface variation has been shown among Fig. 4.As shown in the figure, surface variation defines the height 62 that differs between peak valley on the first wall inside face.This highly surpasses the thickness 24 of first wall.Though considered various sizes, should highly be 1.3 to 2.5 times of first wall thickness.The thickness of first wall has increased the folding resistance of container with respect to the irregularity of this height.In embodiment shown in Figure 4, this highly is about 2 times of film thickness.In this structure, extended part comprises anti-fully folding vertical member.
With reference to figure 3, in this embodiment, each extended part is provided with obliquely with respect to the extended part of any adjacency.Each replaces extended part and comprises length 64, width 66 and cross section structure 68 (Fig. 4).The extended part of this combination is forming a plurality of peaks and paddy in the first wall and second wall separately.The alternately space between the extended part of adjacency is illustrated as 74.Can change the length of extended part without departing from the present invention.The present invention has considered that being about of extended part is 0.0625 inch and 0.1875 inch, wide 30 to 70 mils that are about of extended part.In the embodiment shown, being about of extended part is 0.125 inch, wide 50 mils that are about.
Described this surface variation provides a plurality of paths at different directions.And surface variation makes them to be fitted to each other so that near the close contact between the inside face of the surface variation prevention first wall and second wall like this.Particularly, when first wall and second wall are set to abutment structure, because the structure of surface variation represents that the space in discontiguous zone between two walls forms unstressed volume 58 jointly.By keeping this unstressed volume, fluid can be discharged from Collapsible bag.
With reference to figure 2, the minimum unstressed volume that is configured to the fluid passage among the present invention comprises wall at least 0.18 cm3 that has surface variation per square inch.This minimum value is represented to realize maximum contact between the relative wall and two relative walls are not spurred by external force or the therefore situation of mutual extrusion.In the present embodiment, when the peak position of each extended part of first wall is in the paddy of second wall, there is this situation.Wherein move two walls so that the respective peaks of the prolongation parts of first and second walls contacts with each other, unstressed volume is about 0.36 cm3 per square inch.In fact, even when overlapping wall is in the maximum contact state, unstressed volume distributes along the major part of the surf zone of extended part usually.
Certainly, the present invention has considered the surface variation of using other, and wherein relatively the pattern of wall makes minimum unstressed volume be kept, and wherein minimum unstressed volume formed by the bag chamber towards and arrive the passage of the mouth of pipe.This structure can comprise having and the remarkable difform parts of extended part, should be appreciated that to the invention is not restricted to extended part 60.
Except unstressed volume, the material that constitutes the first wall and second wall must have suitable intensity, surface texture (being the degree of depth, height etc.) and/or thickness, so that keep at least a portion minimum unstressed volume when Collapsible bag passes through suction evacuation.During by suction evacuation, same coordination is used to keep a part of minimum unstressed volume.
The mouth of pipe 18 is shown as in Fig. 5 and 6 and comprises base flange 80 and wall components 82.Mouth of pipe operated by rotary motion between the relative side seal mouth with on seal spaced apart.Compare with lower sealing, seal on the mouth of pipe is generally more close.Certainly, considered the change of nozzle position equally.
Base flange 80 comprises upper surface 86 and lower surface 88.Upper surface 80 comprises sealing area 90.Sealing area comprises that film is sealed in the zone of flange.Lower surface 88 comprises the passage that is arranged on the mouth of pipe 18.This passage can comprise many different shapes and structure, and these shapes and structure have and manyly illustrated in the co-pending priority application of the application as its part continuation application.Incorporate this paper into as a reference in this structure with the mouth of pipe shown in the priority application.
Wall components 82 extends from the upper surface of base flange.Wall components comprises inside face 94 and outside face 96.Outside face can comprise is convenient to can and packaging facilities with it promptly and the other flange that keeps.Inside face forms elongated openings.Certainly, considered and in the mouth of pipe, used various different sizes, shape and structure, therefore the invention is not restricted to have the circular mouth of pipe that is essentially of length-specific.
In the operation, collapsible container is filled to required weight and volume by filling apparatus usually.In case finish can, Collapsible bag is boxed with transportation usually and distributes.Collapsible bag can be sent to everywhere before emptying.When arriving the destination, aspirator is connected in this container.Aspirator comes the endoceliac liquid of discharge current by suction operation usually.
Case with Collapsible bag can be placed in the various container.For example, Collapsible bag can mainly be to place on the first wall or second wall, and wherein the mouth of pipe can be direction up or down.And container can tilt to the mouth of pipe.In other structures, Collapsible bag can mainly be lean against the mouth of pipe can upborne lateral edges on.Finally, Collapsible bag seals after can being arranged on, and makes the mouth of pipe be provided with near container top.This structure normally is difficult to most suction evacuation, and has problems usually between removal period.Especially, for the container of prior art, failing to be convened for lack of a quorum from the liquid of container bottom is subjected to the obstruction of the mouth of pipe, because that part on the container between between the bottom section and the mouth of pipe itself is folding substantially fully, thereby stops all material stream substantially.
In the present invention, surface variation is guaranteed under unstressed situation, keeps a minimum volume between the first wall and second wall.By this holding device, at least a portion of minimum volume remains between the first wall and second wall, laminates (liquid that can block in the container that laminates mutually of these walls flows, because the various piece of container becomes and the mouth of pipe is isolated) mutually to prevent these walls.Therefore, or even in the suction evacuation process of thicker relatively fluid such as for example syrup, even in fact also can realize being emptied completely of container---when in evacuation procedure, being arranged to the mouth of pipe near collapsible container top.
An embodiment and available on the market container to present container have carried out some tests.This embodiment of the application's container comprises 2.5 gallon container, and it has the surface variation of extending around its whole first and second walls.The first wall and second wall comprise a trilamellar membrane, and wherein ground floor is the LLDPE of about 3 mil thick; The second layer comprises the HDPE of about 1.2 mil thick; With the 3rd layer of LLDPE that comprises about 1.5 mil thick, so that this film comprises the thickness of about 5.7 mils.Surface variation has the height of about 12 mils, and comprises one group of nested elongated members that replaces.The length of extended part is approximately 0.125 inch, and extended part has semi-circular cross-section.
The conventional mouth of pipe is attached to container (being that the mouth of pipe has the basic evenly base flange of emerge).The container that forms is about 1.25 conventional back mixing molasses by proportion in the can.Measure and write down the weight of container.In dry test this container is placed with vertical orientation then, wherein the mouth of pipe of this container is oriented to be close to uppermost position, as shown in Figure 9.From this container emptying syrup periodically.Particularly, one-period is made up of following process: with ten seconds of 7.5 ounces of flow velocitys suction syrup, then stop to aspirate for ten seconds.This process continues 15 minutes.This process stop and once more measuring vessel to determine at the actual Fluid Volume that is discharged from the container of duration of test.Write down result of a measurement once more.
The container that can buy is on the market carried out same program, and this container has the relative more shallow path that is pressed into its inside face.This container comprises and is pressed into first and second walls many paths of inside face separately.These paths are magnificent husband (waffle) pattern, to form a square protrusion.
Comparing result is understood in the following table acceptance of the bid.Particularly, this table is indicated contrast bag and through staying the relative populations of the syrup in the bag after 15 minute test period.The initial weight of syrup is approximately 25 pounds.The final weight of the syrup behind 15 minutes end of tests is listed as follows.
| The test sequence number | Contrast container weight after the test | Container produced according to the invention |
| Test 1 | 6.44 pound | 0.14 pound |
| Test 2 | 15.84 pound | 0.12 pound |
| Test 3 | 4.62 pound | 0.06 pound |
| Test 4 | 6.04 pound | 0.16 pound |
By above data as can be seen, container of the present invention has been discharged the fluid of basic most of quantity all the time from container.Particularly, when all basically syrup are all discharged from container of the present invention, container has been got clogged in fact at removal period interstitial fluid stream.In test of many times, after 13 minutes the time expiration, to still having some pounds of syrup in the container.But container produced according to the invention has as one man been discharged most of syrup basically from container.
More than describing only is that the present invention is explained and illustrated, but the present invention is not subject to these descriptions, unless claims limit like this, because those skilled in the art can modify without departing from the present invention according to content of the present disclosure.
Claims (26)
1. Collapsible bag that is used for dispense liquid, liquid comprises for example thick liquid such as syrup, Collapsible bag comprises:
The first wall and second wall link together to form fluid cavity betwixt, and the described first wall and second wall respectively have the inside face and the opposed outer surface in facing fluid chamber;
The mouth of pipe attaches to a wall in described first and second walls, and the described mouth of pipe has the opening that runs through wherein, described opening have be basically perpendicular to the described mouth of pipe the axis of that wall in attached described first and second walls; With
Surface variation, be embossed in the appropriate section at least of at least a portion of described first wall and described second wall, described surface variation has limited the contact between the inside face of the described first wall and second wall, so that form minimum unstressed volume betwixt, wherein, at least a portion of described minimum unstressed volume is being kept from the whole process of evacuation of liquid wherein by suction basically.
2. Collapsible bag according to claim 1, wherein, the described minimum unstressed volume between described first and second walls is at least 0.18 cm3 of face area per square inch of each the described first wall and second wall.
3. Collapsible bag according to claim 1, wherein, the described first wall and second wall respectively comprise a plurality of layers, and its ground floor comprises heat sealable polymeric material, and its second layer comprises the polymeric material of relative intensity greater than ground floor.
4. Collapsible bag according to claim 3, wherein, described ground floor comprises linear low density polyethylene, the described second layer comprises high density polyethylene (HDPE).
5. Collapsible bag according to claim 3, wherein, the described second layer is selected from: nylon, high density polyethylene (HDPE), polypropylene and polyester.
6. Collapsible bag according to claim 1, wherein, described first and second walls thickness separately is less than 10 mils.
7. Collapsible bag according to claim 4, wherein, described first and second walls thickness separately is less than 8 mils.
8. Collapsible bag according to claim 1, wherein, the described first wall and second wall have separately by at least 30, the intensity that the secant modulus of 000psi limits.
9. Collapsible bag according to claim 1, wherein, the described first wall and second wall have separately by at least 45, the intensity that the secant modulus of 000psi limits.
10. Collapsible bag according to claim 1, wherein, described surface variation defines the height of described first wall and any one inside face of second wall, and this highly is the corresponding first wall and second wall thickness 1.3 to 2.5 times.
11. Collapsible bag according to claim 1, wherein, described surface variation comprises that the intussusception that forms a plurality of peaks and paddy replaces the repeat patterns of elongated ridges portion, and wherein the one ridge of adjacency is provided with mutually obliquely.
12. according to the Collapsible bag of claim 11, wherein, the one ridge of described adjacency is provided with mutual vertically.
13. Collapsible bag according to claim 11, wherein, each peak of the one ridge of each peak of the described elongated ridges portion of described first wall and the described elongation of described second wall abut to form the volume of at least 0.36 cm3 per square inch.
14. Collapsible bag according to claim 11, wherein each elongated ridges portion has basic semisphere cross section along its at least a portion.
15. Collapsible bag according to claim 11, wherein, each elongated ridges portion has 0.0625 inch to 0.1825 inch length.
16. Collapsible bag according to claim 1, wherein, described surface variation is extended along the skin area of each described first and second wall 85% substantially at least.
17. Collapsible bag according to claim 1, wherein, described surface variation is extended along whole described first and second walls substantially.
18. Collapsible bag according to claim 3, wherein, described first and second walls comprise also and are arranged on the 3rd layer relative with described ground floor on the described second layer that described the 3rd layer comprises polymeric material.
19. Collapsible bag according to claim 18, wherein, described the 3rd layer comprises the linea low density material lower than described second layer intensity.
20. Collapsible bag according to claim 1 also comprises outside first wall and outside second wall, described outside first wall is arranged on the described first wall, and described outside second wall is arranged on described second wall, so that form double-deck Collapsible bag.
21. Collapsible bag according to claim 1, wherein, the described mouth of pipe also comprises:
Elongated openings; With
Base flange is extended around described elongated openings;
Described flange has basal surface, and wherein said basal surface comprises setting a plurality of Surface Groove thereon.
22. Collapsible bag according to claim 21, wherein, described a plurality of Surface Groove comprise radial slot.
23. Collapsible bag according to claim 21, wherein, described a plurality of Surface Groove comprise the combination of a plurality of concentric circular groove and a plurality of radial slots.
24. a Collapsible bag that is used for dispense liquid comprises:
The first wall and second wall, link together to form fluid cavity betwixt, the described first wall and second wall respectively have the inside face and the opposed outer surface in facing fluid chamber, each described first and second wall comprises two-layer at least, be the ground floor and the second layer, the wherein said second layer has the rigidity bigger than described ground floor;
The mouth of pipe attaches to a wall in described first and second walls, and the described mouth of pipe has the opening that runs through wherein, described opening have be basically perpendicular to the described mouth of pipe the axis of that wall in attached described first and second walls;
Surface variation, be embossed in the appropriate section at least of at least a portion of described first wall and described second wall, described surface variation has limited the contact between the inside face of the described first wall and second wall, wherein said surface variation surpasses the described first wall be positioned under it and the thickness of second wall, wherein, at least a portion of minimum unstressed volume is kept in its whole evacuation procedure of being undertaken by suction basically.
25. Collapsible bag according to claim 24, wherein, described surface variation defines at least 0.18 cm3 of face area per square inch for each the described first wall and second wall of minimum unstressed volume therebetween.
26. Collapsible bag according to claim 24, wherein, described liquid comprises for example thick liquid such as syrup.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/192,236 US20070025648A1 (en) | 2005-07-27 | 2005-07-27 | Collapsible bag for dispensing liquids and method |
| US11/192,236 | 2005-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101389541A true CN101389541A (en) | 2009-03-18 |
Family
ID=37684020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006800343185A Pending CN101389541A (en) | 2005-07-27 | 2006-07-27 | Collapsible bag for dispensing liquids and method |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20070025648A1 (en) |
| EP (1) | EP1915298A4 (en) |
| CN (1) | CN101389541A (en) |
| AU (1) | AU2006272535A1 (en) |
| BR (1) | BRPI0615961A2 (en) |
| CA (1) | CA2616961A1 (en) |
| WO (1) | WO2007014366A2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106347831A (en) * | 2015-07-20 | 2017-01-25 | 宜兴威尼特包装袋有限公司 | Liquid containing bag sealed type convenient filling structure |
| CN109475465A (en) * | 2016-04-07 | 2019-03-15 | 哈维全球解决方案有限责任公司 | Fluid cell with internal microstructure |
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| US8468635B2 (en) * | 2009-11-25 | 2013-06-25 | Church & Dwight Co., Inc. | Surface treating device |
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| US8387348B2 (en) * | 2009-12-22 | 2013-03-05 | Cryovac, Inc. | Aseptic packaging system, packaging process and package with internal fitment |
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| RU2688736C1 (en) | 2016-02-05 | 2019-05-22 | Хави Глобал Солюшенз, Ллк | Surface with microstructures, having improved insulation properties and resistance to condensation |
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-
2006
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- 2006-07-27 CA CA002616961A patent/CA2616961A1/en not_active Abandoned
- 2006-07-27 AU AU2006272535A patent/AU2006272535A1/en not_active Abandoned
- 2006-07-27 BR BRPI0615961-3A patent/BRPI0615961A2/en not_active IP Right Cessation
- 2006-07-27 CN CNA2006800343185A patent/CN101389541A/en active Pending
- 2006-07-27 WO PCT/US2006/029637 patent/WO2007014366A2/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106347831A (en) * | 2015-07-20 | 2017-01-25 | 宜兴威尼特包装袋有限公司 | Liquid containing bag sealed type convenient filling structure |
| CN109475465A (en) * | 2016-04-07 | 2019-03-15 | 哈维全球解决方案有限责任公司 | Fluid cell with internal microstructure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007014366A3 (en) | 2007-05-18 |
| US20070025648A1 (en) | 2007-02-01 |
| EP1915298A4 (en) | 2013-05-01 |
| AU2006272535A1 (en) | 2007-02-01 |
| EP1915298A2 (en) | 2008-04-30 |
| CA2616961A1 (en) | 2007-02-01 |
| WO2007014366A2 (en) | 2007-02-01 |
| BRPI0615961A2 (en) | 2011-05-31 |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Open date: 20090318 |