CN101232825A - Liquid release device for a smoking article - Google Patents

Liquid release device for a smoking article Download PDF

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Publication number
CN101232825A
CN101232825A CNA2006800274170A CN200680027417A CN101232825A CN 101232825 A CN101232825 A CN 101232825A CN A2006800274170 A CNA2006800274170 A CN A2006800274170A CN 200680027417 A CN200680027417 A CN 200680027417A CN 101232825 A CN101232825 A CN 101232825A
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CN
China
Prior art keywords
smoking article
moving element
moving
capsule
stationary
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Granted
Application number
CNA2006800274170A
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Chinese (zh)
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CN101232825B (en
Inventor
C·贝索
C·屈尔施泰纳
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Philip Morris Products SA
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Philip Morris Products SA
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Publication of CN101232825A publication Critical patent/CN101232825A/en
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Publication of CN101232825B publication Critical patent/CN101232825B/en
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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/061—Use of materials for tobacco smoke filters containing additives entrapped within capsules, sponge-like material or the like, for further release upon smoking
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/002—Cigars; Cigarettes with additives, e.g. for flavouring
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
    • A24D1/042—Cigars; Cigarettes with mouthpieces or filter-tips with mouthpieces
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A24D3/043—Tobacco smoke filters characterised by their shape or structure with ventilation means, e.g. air dilution
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A24D3/048—Tobacco smoke filters characterised by their shape or structure containing additives
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/14—Use of materials for tobacco smoke filters of organic materials as additive

Abstract

A smoking article (10) comprises a rod (12) of smokable material in axial alignment with a liquid release device (118) , the device comprising: a stationary porous element (20) fixed with respect to the rod (12); a mobile porous element (22) axially aligned with and axially movable relative to the stationary porous element (20) ; and at least one frangible capsule (34) of liquid retained between the porous elements (20) , (22) , whereby axial movement of the mobile element (22) from a first position in which the capsule (34) is intact toward the stationary element (20) to a second position causes the capsule (34) to rupture and release the liquid into the porous elements (20) , (22) and in which the mobile element (22) is restrained against undesired axial movement in at least one, preferably both, of the first and second positions.

Description

The liquid discharge apparatus that is used for smoking article
The present invention relates to a kind of device that is used for discharging liquid, this device smoking article for for example cigarette when starting provides fragrance or other suction ameliorative measure.The invention still further relates to a kind of smoking article that comprises this liquid discharge apparatus.
The smoking article that comprises the liquid additive of the suction properties that improves smoking article is known in the prior art.For example, US-A-4889144 discloses a kind of essence that is encapsulated in the friable particle, and this friable particle is loaded in the hollow space in the filter tip of cigarette.In order to discharge fragrance, smoker before suction by applying power to filter-tip outer surface and particle being crushed.
Disclosed smoking article comprises the container that comprises additive in US-A-5067500.The relatively rotating or move axially of this container component causes that the container with additive opens, and causes that perhaps the capsule portion of being highlighted that comprises additive material pierces through.Therefore, gas channel is set so that make additive material can change the characteristic of smoking article.
US-A-2004/0261807 discloses a kind of smoking article that has filter element, and this filter element comprises at least one breakable capsule.This filter element is by the cellulose acetate fibre Shu Zucheng of plasticising.This smoking article can aspirate under the situation of broken capsule not, perhaps this capsule can be before suction, during the suction or crushed after the suction.
Need to improve the controlled delivery of liquid, so that for example effectively, selectively improve the suction properties of smoking article to smoking article.
According to the present invention, a kind of smoking article is provided, be preferably cigarette, it comprise the bar that constitutes by smokeable material and with this liquid discharge apparatus of axially aligning, this liquid discharge apparatus comprises: with respect to this fixing porous stationary element; Axially aligning with this porous stationary element also can be with respect to the axially movable porous moving element of porous stationary element; And at least one remains on the frangible iquid capsule between these elements, wherein moving element moves axially to the second place from the intact primary importance of capsule towards stationary element and makes capsules break and liquid is discharged into the multihole device, and moving element is restricted in case at least one place in first and second positions, be preferably undesirable the moving axially at two places, first and second positions.
Smoking article according to the present invention has the following advantages, and promptly moving element can not separate fully with the other parts of smoking article.This has for example guaranteed that moving element can not be removed when smoker smoking.Therefore the danger that does not have to swallow down moving element.
In smoking article of the present invention, liquid discharge apparatus is cigarette holder and is used as smoke modifier delivery device.Be just before these goods are sucked ideally,, that is to say when the moving element with this device moves on to end-state, just discharge one or more smoke modifier from capsule with the controlled manner realization in case the person of being sucked starts.In use, when mainstream smoke through this when device, reagent is discharged by the porous surface from the element of axially aligning of this device.
In liquid discharge apparatus of the present invention, element keep together in case make they can move to axial but can not be easy to separated from one another fully.This point can be advantageously by the element realization of frictional fit each other, perhaps by adopting the deformable connector between element to realize.The material that constitutes connector can be easy to push moving element to stationary element by smoker and be out of shape, and for example can be to surround moving element and the perforation of porous stationary element or the plug wrap (plug wrap) of trough of belt.For example, this plug wrap can be porous acetate fiber hard or standard.
When moving element when the porous stationary element moves, the deformable connector is in the space that is absorbed under the situation about not rupturing between moving element and porous stationary element.Therefore kept being connected and keeping restriction to moving element of moving element and porous stationary element in case away from undesirable the moving axially of porous stationary element generation.In this case, undesirable the moving axially of moving element is moving element exceeds initial primary importance away from the porous stationary element any motion.
Groove in the filter tip bung wrapping paper is preferably angled with respect to the longitudinal direction of smoking article.This has reduced the rigidity of connector, therefore is easy to the motion of moving element with respect to sleeve.Groove be meant on the first direction than longer hole on the second direction perpendicular to first direction.
In a preferred embodiment, connector includes or does not have the filter tip bung package of hole or groove, and this filter tip bung package is only packed the sub-fraction of moving element circumference, for example between 90 to 180 degree, is preferably 120 degree.
Preferably, liquid discharge apparatus is the diameter that has the cylinder of circular cross-section and have conventional cigarette, and this diameter is usually approximately between 6mm and the about 9mm.
Preferably, liquid discharge apparatus also comprises the sleeve around the part of at least one element, and element is fixed with respect to sleeve and another element can move with respect to sleeve.This sleeve holds two at least one that axially align in the element, preferably hold they two.Sleeve can also be used to element is kept together.Preferably, sleeve is fixed to moving element.Also preferably, sleeve also can be connected in this around at least a portion of stationary element.
In a preferred embodiment of liquid device, provide sleeve by the pipe that compares rigidity, this pipe is designed to utilize frictional fit to keep two elements of axially aligning.Preferably, this pipe is essentially cylindrical and has the circular cross-section of homogeneous, and external diameter is in from about 6mm in the scope about 9mm.Preferably, length of tube is approximately between 8mm and the about 10mm.Advantageously, this pipe is made by the rigid material that can not be pushed easily.Preferred tube material is suitable thermoplastic, and for example polyolefin is preferably polyethylene, or the softboard of rigidity.This pipe is preferably air proof.In certain embodiments, this is managed only round opposed end, the opposite end of each element, the free end of element, extends beyond sleeve (in primary importance).
In smoking article of the present invention, the part by being fixed to stationary element or the bound edge of whole stationary element make liquid discharge apparatus for good and all attach to tobacco rods or other sucked material of packing, for example so that make cigarette or similar smoking article.Bound edge can directly be fixed to stationary element or be fixed to stationary element indirectly by the sleeve that attaches to liquid discharge apparatus.Preferably, provide sleeve by the softboard of rigidity or by aforesaid pipe.
Preferably, smoking article according to the present invention has and the similar identical draw resistance of the compared smoking article that does not have liquid discharge apparatus.Preferably, under end-state, the length of this liquid discharge apparatus is about 9mm or littler.
In smoking article according to the present invention, stationary element is fixed to the remainder of smoking article so that make it can not move by the remainder with respect to smoking article during correctly the using and hand of this device and smoking article.In case the free end at moving element applies longitudinal force, moving element just moves axially towards stationary element.Normally, stationary element and moving element respectively have and are essentially columniform shape.The opposing end surface of these elements is preferably the convex-concave configuration of respective complementary basically.
In certain embodiments, an element have the chamber that is used for holding capsule with another element opposing end faces, this chamber is by the sealing of the opposing end surface of described another element.In some preferred embodiment, the end face of described another element has the cylindrical boss that has substantially the same diameter with this chamber.In a preferred embodiment, capsule is spherical, the end face of an element is conical and extends away from the body of a described element, and the end face of another element is basic complementary shape, chamber is the spherical chamber of part at center that is positioned at the end face of described another element, but the diameter of this chamber is substantially equal to be a bit larger tham the diameter of capsule.
In other embodiments, capsule is positioned at the doughnut that opposing end surface limited by these elements.
In first initial state, moving element is in primary importance and the opposing end surface of stationary element and moving element is not adjacent to each other but with spaced apart and define the space that holds breakable capsule.In second end-state, moving element is in the second place, and the end face of two elements is adjacent to each other at least in part, and described space almost disappears.First and second positions all limit in advance.For from first state transformation to second state, moving element moves towards stationary element.This moving axially makes capsules break and discharges liquid from it.
In initial state, the space that is limited by the opposing end surface of two elements is designed to make capsule to remain on the settling position of qualification, so that protection and keep the integrality of described capsule.The shape in this space makes that capsule can easily insert in the manufacture process of this device.Advantageously, this space is only big slightly than the capsule that it held.In certain embodiments, the end face of moving element has at least one projecting part, and this at least one projecting part can pierce through capsule and impel capsules break when moving element moves.Preferably, the opposing end surface of two elements of axially aligning has complementary basically configuration.
Lighting in some preferred embodiment of holding smoking article according to of the present invention, this device was designed so that before this device is in end-state, that is to say, broken and before liquid discharges, comprise that the smoking article of this device can not suitably aspirate up to capsule.This can realize in the following way, when this device is in first state, provide a large amount of ventilations (air stream) even enter and pass this device so that the inspiratory flow through tobacco or other sucked material that makes the mouth end of smoking article produce has also not enough, so these goods can not be lighted or be burnt and can not be continued.When device is in end-state, to the resistance of air-flow the air-flow that directly enters this device is significantly reduced by remarkable increase, thereby allow enough air-flows through tobacco or other sucked material, therefore allow smoking article to be easy to suction.This can realize that by aerated area is set aerated area preferably adopts the form of circumferential ring, on the space of first state between moving element and stationary element or be positioned at other above position.The apparatus and method that are used to provide this aerated area are well-known and comprise the hole that for example can be arranged on the suitable quantity in one or more line in this area.Ventilation unit in the other parts of smoking article of the present invention, the especially ventilation unit in filter element can be arranged so that in the aspiration procedure of smoking article and ventilate as required.
In a preferred embodiment, device comprises mechanical holder, and mechanical holder limits this device and remain on initial state and moves up to moving element.In end-state, moved so that during capsules break, also can use this holding device when moving element.For example, the machinery maintenance system of Shi Heing comprises protuberance and the corresponding depressed part that is engaged with each other to keep the position that required.In certain embodiments, this maintenance system is used for effectively moving element being remained on sleeve inner and allowing it to move towards stationary element in the mode of similar ratchet.In other embodiments, moving element has the circumferential ridge around it, and when this device was in initial state, this circumferential ridge was assemblied in corresponding first groove that is arranged in stationary element or sleeve, limits it in case undesirable motion takes place.Preferably, when this device is in end-state, in stationary element or sleeve, provide corresponding second groove that is used to assemble ridge.Be appreciated that alternatively moving element can have circumferential groove, on the stationary element or sleeve on corresponding ridge be assemblied in this circumferential groove.In other embodiment that adopts pipe, the wall that moving element has row's protuberance or tooth and pipe has one or two groove.First groove is provided with towards the end that is holding moving element of pipe, and the other end setting of the more close pipe of second groove (more close stationary element).In primary importance, the tooth of moving element and the first groove mechanical engagement.In the second place, tooth engages with second groove.Moving element has at least two, is preferably at least four teeth.The shape of tooth and groove is preferably such that the pipe and the relative motion of moving element carry out only in one direction.Therefore, moving element can move to end-state from original state, but prevents that moving element breaks away from pipe or the motion from the end-state to the original state.In other embodiments, the locating slot in a row (detent) that is used for holding tooth is arranged in the tube wall, rather than in the groove.
Two elements of axially aligning are made by the intrinsic porous materials of breathable, are for example made by the porous thermoplastic material.Alternatively, described element can be by sintering metal, steel wire, ceramic material, constitute or forms through heat treated cellulose acetate, non-woven material or fibrous material, for example by bi-component, the continuous or stable fiber medium that pushes or the pultrusion process is made.Preferably, described element has extremely low filter efficacy, does not perhaps have filter efficacy basically.For example, can be by providing filtration at the tobacco rods of device and packing or the filter tip bung (filter plug) that is fit between other sucked material.The filter tip bung that is fit to is known in this area and can comprises one or more filter element.Filter tip bung can be made of any suitable filtering material, for example cellulose acetate or paper.If desired, charcoal or other known absorption material can be distributed in the another kind of filtering material, for example in the cellulose acetate.Preferably, smoking article according to the present invention comprises one, two, three or more filter tip.More preferably, this filter tip bung is two filter tip bungs.
The preferred material that is used for forming the intrinsic multihole device of this device is a thermoplastic, more preferably sintered thermoplastic.The preferred thermoplastic of making this element is a polyolefin, include but not limited to ethylene vinyl acetate (EVA), ethylene methyl acrylate (EMA), polyethylene, polypropylene, ethylene-propylene rubber, ethylene-propylene two hydrocarbon rubbers (ethylene-propylenediene rubber), polystyrene, biodegradable aliphatic polyester, PLA (polylactic acid) for example, and composition thereof and derivative.Particularly preferred polyolefin is a polyethylene.The poly example that is fit to comprises low density polyethylene (LDPE) (LDPE), LLDPE (LLDPE), high density polyethylene (HDPE) (HDPE), ultra-high molecular weight polyethylene (UHMWPE) and derivative thereof.
The porous thermoplastic material that is fit to be used for to form two elements of axially aligning of device of the present invention is known in this area and has bought easily on market.If desired, the porous thermoplastic material can further comprise additive, for example lubricant, filler or colouring agent.Advantageously, described element in continuous parts by molded the forming of porous thermoplastic material of sintering.Preferably, two elements are same materials, and this material is used in the food by the approval of titular management organization.
Porous material can be any material, is preferably the high density material that can adsorb and/or be absorbed in the essence synthetic that concentrates that adopts in the capsule.Preferably, the average pore size (bore dia) that is used for making the porous material of described element is at least about 10 microns, be preferably located in from about 5 microns, be preferably from about 50 microns, to about 300 microns, be preferably in 250 microns the scope.Advantageously, average pore or average void fraction that is to say the average ratio of the volume of air of porous material with respect to the cumulative volume of described material, between about 40% and about 60%.The particularly preferred polythene material that is used for moving element and stationary element is can be from German Porex, the intrinsic high density porous polyethylene of thick type (HDPE) that Porous Products Group has bought.This HDPE has 130 microns average pore size, and has 55% average void fraction and 0.46g/cm 3Density or 40% average void fraction and 0.57g/cm 3Density.
The capsule that adds in device of the present invention comprises the impermeable shell of enclosing liquid filler.Preferably, capsule is essentially spherical.Usually, this capsule be diameter from about 1mm to about 5mm, be preferably about 1mm to the ball of about 4mm; This size is determined with the amount that can be used for the activating agent of mainstream smoke by the amount of liquid of encapsulation basically.Shell can be any suitable material, normally compatible with capsule contents polymeric material.The example that is fit to material comprises alginates, polyvinyl acetate and cellulose.Shell can comprise for example filler of sizing material and the optional softening agent of for example glycerine, and/or anticorrisive agent.Method and technology that manufacturing is suitable for the capsule among the present invention are known in this area.
The liquid filler that is encapsulated in the breakable capsule comprises at least a activating agent or compound, and when suction, described at least a activating agent or compound are in case discharge one or more characteristics that just can improve smoking article from capsule; Preferably, the improvement mainstream smoke particularly preferably is the particle phase that improves mainstream smoke.For example, the smoke modifier in the capsule can essence or essence except essence or smoke modifier, such as water or chela ring agent (chelatingagent), for example citric acid.When this smoking article of suction, all has the fragrance and the fragrance of enhancing by each cigarette group of smoker ejection.
For example, can be used for essence of the present invention and comprise essential oil, oleoresin, anhydrous substances, fruit concentrate, fruit extract, elite and natural-artificial chemicals.The example that can be included in the essence in the capsule in this device has the plant of tobacco, Chinese cassia tree, spearmint, peppermint, vanilla, orange, peach, blueberry, strawberry aroma, the red certain kind of berries, fish pelargonium extract, linalool, coffee, chocolate, menthol, eucalyptus, clove tree, ginger and citrus.Preferred essence is a peppermint.Essence can be natural or synthetic essence, and can have more than a kind of essence.Essence preferably is present in the diluent or solvent that is suitable for use as carrier, keeps fragrance even, adjusts the concentration of essence, provides physical fixation and/or as anticorrisive agent.What for example, be fit to is vegetable origin oil; Usually, carrier will form about 45% of capsule contents.
Except essence, smoke modifier can change the character of mainstream smoke, for example by when smoking article burns and at least a interaction between component of mainstream smoke or reduce the amount of this at least a composition, perhaps moistening owing to having, cooling or filtering effect change the character of mainstream smoke.Preferably, be predetermined to be for one or more with the interaction of one or more compositions of mainstream smoke and assign to say so selectable, and/or smoker or its surrounding environment had positive impact.As mentioned above, liquid filler can comprise a kind of, two kinds, three kinds or more kinds of essence or other smoke modifier, perhaps its any combination is as long as these reagent are compatible and do not have adverse effect mutually.
Preferably, the liquid filler of capsule comprises one or more essences, most preferably is menthol.
The intensity of capsule makes that capsule can be easy to by the crushing of the moving element of this device when applying appropriate strong longitudinal force, but its intensity enough is used for being convenient to handle capsule in the manufacture process of this device.The required power of crushing capsule depends on its size and shape, but for the ball-type capsule that reaches the 3mm diameter, the about 4N of this Li Tongchangda.
Make capsules break by applying external force, this external force moves on to the second place with moving element from primary importance.This power applies by pushing moving element to stationary element along the longitudinal direction.This power can be by pointing convenient gently being applied on the free end of moving element.In case break, capsule just is released into its liquid filler in stationary element and the moving element; This filler is absorbed and/or is absorbed by the porous material of this element then.
Alternatively, this device comprises the free-ended removable cap that covers smoking article mouth end, especially moving element.Advantageously, when this profile covers moving element and before this profile is for example removed by it is peeled off, apply external force moving element is moved on to end-state from original state.Before smoking article of the present invention can be sucked, must remove this profile.This profile can be Any shape and any material, as long as it can be removed by the mouth end from smoking article before smoking article is sucked.This profile is preferably flexible material, for example such as the film of polyethylene or polyvinyl acetate.This profile can be protected liquid discharge apparatus in case start and can be used for indicating to smoker the freshness of smoking article unintentionally.
In smoking article of the present invention, liquid discharge apparatus is cigarette holder and is used as smoke modifier delivery device.Just before these goods are sucked,, that is to say when the moving element with this device moves on to end-state ideally, just discharge one or more smoke modifier from capsule with the controlled manner realization in case the person of being sucked starts.In use, when mainstream smoke through this when device, reagent is discharged by the porous surface from the element of axially aligning of this device.Liquid discharge apparatus of the present invention can be used for any smoking article, particularly is applied to the low tar smoking article.
In the manufacture process of liquid discharge apparatus according to the present invention and smoking article, tobacco rod, filter tip bung and stationary element can be assembled and be utilized bound edge (tipping) packing.Preferably adopt two filter tip bungs, the part of this pair filter tip bung can be stationary element.Capsule can utilize on a little adhesive to one element.Tobacco rod, filter tip and stationary element can be attached to moving element so that make liquid discharge apparatus be in primary importance then, and capsule is between two elements and intact.
Just further describe the present invention below with reference to accompanying drawing by example, in the accompanying drawing:
Fig. 1 shows the profile that comprises according to the cigarette of the liquid discharge apparatus of the first embodiment of the present invention;
Figure 1A is the enlargement decomposition of the regional A of Fig. 1;
Fig. 2 shows the profile of the cigarette that comprises liquid discharge apparatus according to a second embodiment of the present invention;
Fig. 3 shows the profile of the cigarette of the liquid discharge apparatus that comprises a third embodiment in accordance with the invention;
Fig. 4 shows the profile of the cigarette of the liquid discharge apparatus that comprises a fourth embodiment in accordance with the invention;
Fig. 5 shows the profile (along line V-V shown in Figure 6) of the cigarette that comprises liquid discharge apparatus according to a fifth embodiment of the invention;
Fig. 6 shows along the profile of line VI-VI shown in Figure 5;
Fig. 7 shows the profile of the cigarette that comprises liquid discharge apparatus according to a sixth embodiment of the invention;
Fig. 8 shows the profile of the cigarette that comprises liquid discharge apparatus according to a seventh embodiment of the invention;
Fig. 9 shows the profile that comprises according to the cigarette of the liquid discharge apparatus of the eighth embodiment of the present invention;
Figure 10 shows the profile that comprises according to the cigarette of the liquid discharge apparatus of the ninth embodiment of the present invention;
Figure 11 shows the profile that comprises according to the cigarette of the liquid discharge apparatus of the tenth embodiment of the present invention;
Figure 12 shows an embodiment of the element of tenth embodiment of the invention; And
Figure 13 shows the vertical view according to cap of the present invention.
Embodiment shown in the figure comprises the element that some are common; Give identical reference number for these elements in the text.Each cigarette shown in the accompanying drawing comprises the tobacco rod 12 that a part only is shown, and this tobacco rod 12 forms (shown in Fig. 1) by the tobacco column 14 that is wrapped in the cigarette paper 1, axially aligns with liquid discharge apparatus according to the present invention.Liquid discharge apparatus respectively comprises stationary element 20 and moving element 22 and is connected to bar 12 by bound edge 24.Filter tip bung 26 is between bar 12 and device; Stationary element 20 can not move with respect to bar 12 and filter tip bung 26 in abutting connection with filter tip bung 26, and moving element 22 is axially aligned and can be moved axially with respect to stationary element 20 with stationary element 20.The free end of the liquid discharge apparatus shown in the figure is covered by the cap 28 that the elastic polyethylene thin-film material constitutes, and this cap 28 was stripped from before suction cigarette.When the user with moving element 22 when primary importance is pushed to the second place, cap 28 can be thrown off, in case when perhaps liquid discharge apparatus was in end-state, this cap 28 can be peeled off by the user of cigarette.
Accompanying drawing shows the embodiment that is in original state before startup.In order to move on to end-state, moving element 22 moves (left side in the accompanying drawing) towards tobacco rod 12.
Cigarette 110 shown in Fig. 1 comprises liquid discharge apparatus 118, and this liquid discharge apparatus comprises two cylindrical elements of axially aligning 20,22 that are made of high density porous polyethylene.Bound edge paper 24 is fixed to stationary element 20 and extends along the whole length of stationary element 20, extends across filter tip bung 26 and is fixed to the mouth end regions of the cigarette wrapper 16 of tobacco rod 12.
Stationary element 20 defines the chamber 30 that is formed by the cylindrical channel that seals, and this cylindrical channel extends axially with moving element 22 opposing end faces from stationary element 20.Moving element 22 is arranged in passage and can axially moves at passage when being slidingly matched.When device 118 is in first state, that is to say, when capsule does not break, as shown in Figure 1, the end face 32 of moving element 22 defines chamber 30 with the wall that passes the passage of stationary element 20, this chamber comprises the frangible ball-type capsule 34 that diameter is d, and this capsule comprises the filler of liquid essence filler or other smoke modifier.The end face 32 of moving element 22 with distance l with pass stationary element 20 passage end wall 36 separately; Usually, l=d+0.2mm.
The passage outreach p of moving element 22 from stationary element 24.P is less than l; Usually, p=0.8d.
Restraint element 22 is in case with respect to stationary element 20 motions.The ridge 38 of triangular-section circumferentially extends around the part of moving element 22, and this part is positioned at the passage of stationary element 20.Circumferential ridge 38 is contained in the cooperation circumferential groove 40 with triangular cross section of the wall of the closed channel that is arranged in stationary element 20, sees the most clearly in Figure 1A, and this figure is the enlargement decomposition of regional A among Fig. 1.Wall around closed channel extends second triangular section circumferential groove 42 at end wall 36 places of more close passage; Two grooves 40,42 separate with distance p, and this distance is identical with the distance that moving element 22 exceeds stationary element 20 extensions.
The free end face of the annular end face of stationary element 20 and moving element 22 is covered by cap 28.
In order to operate this device, the user axially promotes towards tobacco rod 12 on cap 28 lightly, preferably uses a finger to carry out, and therefore makes moving element 22 shift to capsule 34 along the passage in the stationary element 20 from primary importance; It is must be enough big with first groove 40 in the 38 slide aperture walls of the circumferential ridge in the moving element to realize that this puts needed power.When passage is shifted moving element 22 onto the second place, moving element bump and crushing capsule 34 are discharged into liquid filler in the multihole device 20,22.In circumferential ridge 38 arrives and is placed in second groove 42 in the conduit wall, when being in the second place, the free end face of moving element 22 flushes with the annular end face of stationary element 20, therefore cigarette 110 has traditional outward appearance, informs that by the increase to the resistance of further motion the user no longer needs to continue to promote.The user lights cigarette 110 and aspirates it then; The liquid from capsule 34 that is in now in the porous polyethylene element is entrained in the smog, for smog tarts up and/or otherwise improves smog.
In cigarette shown in Figure 2 210, stationary element 20 has the central axial passageway of the sealing of extending from itself and moving element 22 opposing end faces.Moving element 22 have the external diameter identical with stationary element 20 and have diameter and stationary element 20 in the identical cylindrical boss 44 of channel diameter.Boss 44 is from medially extending to the closed channel of stationary element 20 with stationary element 20 opposing end faces 46, and can axially move in this passage.The end face 48 of boss 44 defines chamber 30 with the wall of closed channel, in this chamber 30, have comprise liquid essence and/or other smoke modifier, diameter is the breakable capsule 34 of d.The end face 48 of boss 44 is with end wall 36 intervals of distance l and closed channel.Usually, l=d+0.2mm.
Sleeve around moving element 22 and stationary element 20 is provided by impermeable polyethylene pipe 50, this impermeable polyethylene pipe 50 round stationary element 20 except being positioned in abutting connection with the other parts of the circumferential flange 52 of the end of filter tip bung 26.One end of the wall of pipe 50 is in abutting connection with described flange 52.Pipe 50 is around the end of the body (part that promptly has maximum gauge) of the moving element 22 relative with stationary element 20.Bound edge 24 centers on and is fixed to the flange 52 of pipe 50 and stationary element 20, crosses filter tip bung 26 extensions and will install 218 to be attached to tobacco rod 12.Moving element 22 be slidingly fitted in the pipe 50 and extend beyond pipe and 24 1 sections of bound edges less than l apart from p; Common p=0.8d.
Be provided with doughnut 54 around the part in the passage that does not extend into stationary element 20 of the boss 42 of moving element 22.This doughnut 54 is by the opposite face of the body of the annular end face of the circumferential surface of the described part of boss 42, stationary element 20, moving element 22 and manage 50 inner surface and limited; Its axial length is p.
Bound edge 24 and pipe 50 are installed with the hole 56 that many permission air lead to doughnut 54 in the zone that covers doughnut 54.
By around the circumferential ridge 38 of the body of moving element 22 and match around the interaction between first and second cannelures 40,42 of pipe 50 inner surfaces, to limit the moving element 22 of present embodiment in case undesirable moving axially with the cigarette 110 similar modes shown in Fig. 1 and the 1A.Cap 28 covers the free end face of moving element 22 and the annular end face of pipe 50.
In original state shown in Figure 2, can not aspirate cigarette 210; When smoker was smoked, the circulation of air that hole 56 allows to enter doughnut 54 was crossed moving element 22 and is entered the smoker in the mouth, therefore can not draw enough air by tobacco rod so that cigarette lighter or sustained combustion.When promoting moving element 22, will from first circumferential groove 40, release around its circumferential ridge 38.When moving element breaks capsule 34 and thereby during coverage hole closed ring chambers 54 56, ridge 38 is contained in second circumferential groove 42 so that moving element is held in place.So can aspirate cigarette.When capsule 34 broke, liquid filler was discharged in retaining element 20 and the moving element 22.
In cigarette shown in Figure 3 310, sleeve 58 is rigidity softboards, and its whole length along bound edge 24 is positioned at bound edge 24 belows and centers on the part of filter tip bung 26, stationary element 20 and moving element 22.Stationary element 20 is fixed to sleeve 58, and this sleeve will install 318 and be attached to filter tip bung 26 and tobacco rod 12.Moving element 22 is slidingly fitted in the sleeve 58 and has basically the identical shape of moving element with liquid discharge apparatus 218 shown in Figure 2.
Comprise liquid filler, diameter is that the breakable capsule 34 of d is arranged in the chamber 30 that the end face 48 by the central axial passageway of sealing and cylindrical boss 44 is limited, the central axial passageway of this sealing extends into the stationary element 20 with moving element 22 opposing end faces from stationary element 20, and this cylindrical boss 44 extends partly into this passage from moving element 22.The end face 48 of boss 44 separates with the end wall 36 of passage with distance l; Usually, 1=d+0.2mm.One section of the end that moving element 22 extends beyond the end of sleeve 58 and bound edge 24 less than l apart from p; Usually, p=0.8d.
Pass the hole 56 that bound edge 24 and sleeve 58 enter doughnut 54 by setting, make the cigarette 310 of present embodiment to aspirate according to the mode identical, when moving element 22 moves so that this hole 56 is capped when capsule 34 is broken towards stationary element 20 with cigarette 210 as shown in Figure 2.
As the moving element of the cigarette shown in Fig. 1 and the 1A, come moving axially of restraint element 22 by circumferential ridge on the boss 44 of moving element 22 38 and interaction around the groove 40,42 of the wall of the closed channel in the stationary element 20.
Device 318 is operated in the mode identical with the device 218 of Fig. 2.
Cigarette 410 shown in Figure 4 is similar to cigarette 310 shown in Figure 3.Yet, in the device 418 of present embodiment, be have therein sealing central axial passageway moving element 22 and have the stationary element 20 that extends into the boss 44 ' in this passage and between them, define the chamber 30 ' that is used for capsule 34.
With with the cigarette 110,210,310 shown in Fig. 1,2 and 3 in identical mode prevent moving to axial of element 20,22.Yet, in this case, the circumferential ridge around boss 44 ' is arranged on stationary element 20, two corresponding grooves that are arranged in the wall of closed channel are arranged in moving element 22.
Device 418 is operated in the mode identical with device shown in Figure 3 318.
The particularly for tobacco items of cigarette 510 shown in Fig. 5 and 6 and Fig. 4 seemingly, a plurality of but (be 7 in the present embodiment, as seen in fig. 6) frangible capsule 34 ' be held in place between stationary element 20 and moving element 22, in the doughnut 54 around the boss 44 ' of stationary element 20.
In the present embodiment, the axial length m of the doughnut 54 between the opposite face of stationary element 20 and moving element 22 is generally d+0.1mm, and wherein d is the diameter of capsule 34 '.Moving element 22 extend beyond 58 1 sections in sleeve less than m apart from p; Usually, p=0.8d.
With with the cigarette 410 shown in Fig. 4 in identical mode come moving to axial of limiting element 20,22.
Owing to provide a large amount of ventilations by the hole 56 in sleeve 58 and the bound edge 24, under original state as shown in Figure 5 so cigarette 510 can not be aspirated.Apply longitudinal force at the mouth end that installs 518 moving element 22 is moved towards stationary element 20, coverage hole 56 also breaks capsule 34 ', and liquid filler is discharged in the element 20,22.
In cigarette shown in Figure 7 710, the stationary element 20 of liquid discharge apparatus 718 and moving element 22 is similar with the stationary element 20 and the moving element 22 of device 418 shown in Figure 4.
Yet in the present embodiment, the impermeable quill 60 that is made of the rigidity softboard centers on moving element 22 and is fixed to moving element 22.Stationary element 20 is fixed to filter tip bung 26 by highly porous filter tip bung package 62, and this filter tip package is around the body (than the major diameter part) of the length of filter tip bung 26 and stationary element 20 and around boss.Filter tip bung 26 and then install 718 and be fixed to the tobacco rod of having packed 12, this bound edge 24 by bound edge 24 only in the zone that bar 12 and filter tip bung 26 are adjacent to each other around bar 12 and filter tip bung 26.
Quill 60 extends across the doughnut 54 between opposite face, around but be not fixed to the mouth end of stationary element 20 and filter tip bung 26.Under original state, as shown in Figure 7, quill 60 and bound edge 24 distance p, the highly porous filter tip package 62 that makes filter tip bung 26 exposes in the width around filter tip bung 26 is the band of p.
With with the cigarette 410 shown in Fig. 4 in identical mode come moving to axial of limiting element 20,22.
Under original state shown in Figure 7, cigarette 710 can not be aspirated substantially, because when smoker suction cigarette, a lot of air enter filter tip bung 26 so that can not realize lighting and/or burning of tobacco rod 12 through the band that exposes of highly porous filter tip package 62.When with moving element 22 when stationary element 20 promotes, impermeable quill 60 slips over the band that exposes of filter tip package 62, finally in abutting connection with bound edge 24, enters filter tip bung 26 so that prevent air from circumference.So cigarette 710 can be lighted and be aspirated.When moving element 22 when stationary element 20 moves, capsule 34 breaks, and liquid filler is discharged in the element.
Cigarette 810 shown in Figure 8 is similar with cigarette 710 structures shown in Figure 7 and function is identical.Yet in the liquid discharge apparatus 318 of present embodiment, stationary element 20 and moving element 22 have identical configuration with the stationary element 20 and the moving element 22 of cigarette 310 shown in Figure 3.That is to say, be that the stationary element 20 with central axial passageway of sealing defines the chamber 30 that has capsule 34 with the moving element 22 with the boss 44 that extends in the passage.
With with cigarette 310 shown in Figure 3 in identical mode come moving to axial of limiting element 20,22.
Device 308 in the present embodiment is operated cigarette shown in Figure 7 710 described identical modes by above.
Fig. 9 shows and cigarette shown in Figure 8 810 similar cigarettes 910.Yet in the liquid discharge apparatus 918 of present embodiment, a plurality of less ball-type capsules 34 ' remain in the doughnut 54 around the boss 44 of moving element 22.About this aspect, the structure setting of present embodiment and the structure of the liquid discharge apparatus 518 shown in Fig. 5 and 6 are provided with similar; Doughnut 54 has axial length m; Common m=d+0.1mm, wherein d is the diameter of capsule 34 '.Quill 60 and bound edge 24 distance p, p=0.8d usually.
With with cigarette 810 shown in Figure 8 in identical mode come moving to axial of limiting element 20,22.
The cigarette 910 of present embodiment is realized function by above to cigarette shown in Figure 7 710 described identical modes.
The liquid discharge apparatus 1018 of cigarette 1010 shown in Figure 10 has around the sleeve of stationary element 20 and moving element 22, and this sleeve is a polyethylene pipe 50.The end regions in abutting connection with filter tip bung 26 of stationary element 20 has not by pipe 50 circumferential flanges that center on 52, and the free end of moving element 22 extends beyond pipe 50 1 segment distance p.
Element 20,22 has complementary conical opposite face; The surface of moving element 22 is the fi-ustoconical surface from the body extension of this element, and the surface of stationary element 20 is the trochoidal surfaces that extend in this element.Capsule 34 is held in place in the hemispherical chamber at the trochoidal surface center of stationary element 20; The diameter of this chamber only than the diameter of capsule 34 a little more greatly.Under the original state of device shown in Figure 10, stationary element 20 separates with axial distance l with moving element 22; Usually, l=d+0.2mm, wherein d is the diameter of capsule 34.Moving element 22 extend beyond the pipe 50 apart from p less than l; Usually, p=0.8d.
By around the cooperation between the toothrow 64 of the circumferencial direction of moving element 22 moving element 22 being remained on position shown in Figure 10, these teeth are contained in first circumferential groove 40 of the inner surface that is arranged in pipe 50.Second circumferential groove 42 is arranged in pipe 50 the inner surface and than first circumferential groove, 40 more close stationary elements 20, so that hold tooth 64 at moving element 22 when stationary element moves.Tooth 64 on the moving element 22 can be formed by the otch or the breach of the circumferential surface that is arranged in moving element 22; These teeth abut against groove 40,42 to prevent that moving element is from managing 50 free end and shift out and careless or unexpected motion towards stationary element 20 taking place restraint element 22.When applying enough power to cap 28 so that when stationary element 20 promoted moving elements 22, this restriction was overcome.This causes the end of the fi-ustoconical surface of moving element 22 to clash into capsule 34 and it is broken, so liquid filler flows in the element 20,22.If necessary, but the end stiffened of the fi-ustoconical surface of moving element 22 to be easy to make capsules break.
According to those parts that are fixed together of liquid discharge apparatus of the present invention, that is to say those immovable each other parts, can fix in any suitable manner, for example can be tight friction fit by adhesive or in possible place.For example, in the liquid discharge apparatus shown in Fig. 2 and 10 218,1018, but stationary element 20 tight friction fit are managed in 50 or can utilized adhesive in pipe.
The liquid discharge apparatus 1118 of cigarette 1110 shown in Figure 11 has around the sleeve of stationary element 20 and moving element 22.Bound edge paper 24 is fixed to stationary element 20 and extends along the whole length of stationary element 20, extends across filter tip bung 26 and is fixed to the mouth end regions of the cigarette paper package 16 of tobacco rod 12.Bound edge paper has the liner 51 that is made of hard porous filtering mouth packaging material, is for example made by cellulose fibre.This porous stationary element 20 comprises the high density core 20 that is surrounded by the low density annulus 21 of cellulose acetate.Similarly, moving element 22 comprises the high density core 22 that the low density annulus 21 by cellulose acetate centers on.Bound edge 24 is installed with many permission air and enters the hole 56 of low density annulus 21 through the liner 51 of porous filtering mouth plug packaging material really up to the mark.
Porous stationary element 20 and moving element 22 are connected with each other by deformable connector 74, as shown in figure 12.Connector 74 is by constituting towards the material that stationary element 20 promotion moving elements 22 are out of shape by smoker easily; Connector 74 can be the porous filtering mouth packaging material around the fixing perforation of the circumferential surface of porous stationary element 20 and moving element 22.An embodiment of this deformable connector 74 is shown among Figure 12.The porous filtering mouth package 70 of perforation comprises many skewed slots 72, and described skewed slot 72 has weakened the porous filtering mouth package 70 of the perforation in doughnut 54 zones.In an alternate embodiment (not shown), deformable connector 74 can be the band that is made of deformable material, light weight papers for example or porous filtering mouth plug packaging material, and it is around the part packing of porous stationary element 20 and moving element 22 circumference; For example, only pack porous stationary element 20 and moving element 22 circumference half, 1/3rd, 1/4th or sixth.This corresponds respectively to around about 180 degree, 120 degree, 90 degree or 60 degree packings.Alternatively, can pack any other share of circumference; Be preferably less than 180 degree, especially be preferably 120 degree.
In use, moving element 22 moves towards stationary element 20, and that had described as mentioned staves capsule 34 like that.Between this moving period, deformable connector 74 wrinkle is gone in the doughnut 54 and is not fractureed or tear connector 74, keeps the connection between moving element 22 and the stationary element 20.Because the connection between moving element 22 and the stationary element 20 is kept, so moving element 22 is limited in liquid discharge apparatus 1118 inside safely.
The cap 28 of cigarette 1110 is shown among Figure 13.It for example is to be made by the thin polymer film of the biodegradable food grade of lamination.Cap 28 shown in Figure 13 comprises circular portion 23 and tractive sheet 25.Circular portion 23 is attached to the end of smoking article 1110 by bond site 29 at first and covers the end of this smoking article 1110 so that keep freshness.The tractive sheet 25 of cap 28 is attached to the side of liquid discharge apparatus 1118 by another bond site 29.
Be to be understood that, smoking article of the present invention can have any feature common in the smoking article, for example has ventilation unit (except for preventing that smoking article from lighting and/or aspirating other ventilation unit any ventilation unit that is adopted when liquid discharge apparatus is in first state).
The invention provides a kind of liquid discharge apparatus that is used for smoking article, this device allows smoker to improve the suction properties of smoking article easily and effectively.

Claims (11)

1. a smoking article (110,210,310,410,510,710,810,910,1010,1110), be preferably cigarette, comprise the bar (12) that constitutes by smokeable material and with this liquid discharge apparatus of axially aligning (118,218,318,418,518,718,818,918,1018,1118), this liquid discharge apparatus comprises:
Porous stationary element (20), fixing with respect to bar (12);
Porous moving meter (22) is axially aligned and can be moved axially with respect to porous stationary element (20) with porous stationary element (20); With
At least one frangible iquid capsule (34,34 ') remains between the described element (20,22),
Wherein moving element (22) moves axially to the second place from the intact primary importance of capsule (34,34 ') towards stationary element (20) and makes capsules break and liquid is discharged into the described multihole device,
Moving element (22) is restricted in case at least one place in first and second positions, be preferably undesirable the moving axially at two places, first and second positions.
2. smoking article according to claim 1 (110,210,310,410,510,710,810,910,1010,1110), also comprise at least the sleeve (24,50,58,60) around the part of an element (20,22), element is fixed with respect to this sleeve and another element is movably with respect to this sleeve.
3. according to each described smoking article of aforementioned claim (110,210,310,410,510,710,810,910,1010,1110), it is characterized in that, liquid in described at least one breakable capsule comprises at least a reagent that can improve one or more characteristics of smoking article, be preferably at least a essence, more preferably menthol.
4. according to each described smoking article of aforementioned claim (110,210,310,410,510,710,810,910,1010), it is characterized in that, provide restriction by at least one male part (38) on the element (20,22) and the cooperation between at least one female part on another element.
5. according to each described smoking article (110,210,310,410,510,710,810,910,1010,1110) among the claim 1-4, it is characterized in that, provide restriction by deformable connector (74).
6. according to each described smoking article of aforementioned claim (210,310,410,510,710,810,910,1010,1110), comprise that the air that allows feeding enters the aerated area (56,62) of at least one element (20,22), this aerated area (56,62) is opened when being in primary importance and is covered to small part when moving element is in the second place at moving element (22).
7. according to claim 2 and 6 described smoking articles (210,310,410,510,1010,1110), it is characterized in that, provide aerated area by the hole (56) of passing sleeve (50,58).
8. smoking article according to claim 6 (710,810,910), it is characterized in that, the circumferential surface of this smoking article has ventilative part (62), when moving element (22) when being in primary importance, described ventilative part (62) is exposed so that allow air to enter this smoking article so that it can not aspirate, and when moving element (22) when being in the second place, described ventilative part (62) is fully covered by sleeve (60) so that allow this smoking article of suction.
9. according to each described smoking article of aforementioned claim (110,210,310,410,510,710,810,910,1010,1110), also comprise being positioned at the bar (12) that constitutes by smokeable material and the filter tip bung (26) between the liquid discharge apparatus (118,218,318,418,518,718,818,918,1018,1118).
10. according to each described smoking article of aforementioned claim (110,210,310,410,510,710,810,910,1010,1110), it is characterized in that this device (118,218,318,418,518,718,818,918,1018,1118) is fixed to bar (12) by bound edge (24).
11. according to each described smoking article of aforementioned claim (110,210,310,410,510,710,810,910,1010), it is characterized in that the mouth end of liquid discharge apparatus (118,218,318,418,518,718,818,918,1018,1118) is covered by cap (28).
CN2006800274170A 2005-08-15 2006-08-14 Liquid release device for a smoking article Expired - Fee Related CN101232825B (en)

Applications Claiming Priority (3)

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EP05255044.9 2005-08-15
EP05255044A EP1754419A1 (en) 2005-08-15 2005-08-15 Liquid release device for a smoking article
PCT/IB2006/003837 WO2007060543A2 (en) 2005-08-15 2006-08-14 Liquid release device for a smoking article

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CN101232825A true CN101232825A (en) 2008-07-30
CN101232825B CN101232825B (en) 2011-11-16

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JP (1) JP5719502B2 (en)
KR (1) KR20080039433A (en)
CN (1) CN101232825B (en)
EA (1) EA013725B1 (en)
HK (1) HK1121924A1 (en)
WO (1) WO2007060543A2 (en)

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EA013725B1 (en) 2010-06-30
HK1121924A1 (en) 2009-05-08
WO2007060543A2 (en) 2007-05-31
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JP2009504175A (en) 2009-02-05
CN101232825B (en) 2011-11-16

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