CN101547618A - Tobacco smoke filter and methods of making the same - Google Patents
Tobacco smoke filter and methods of making the same Download PDFInfo
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- CN101547618A CN101547618A CNA2007800450162A CN200780045016A CN101547618A CN 101547618 A CN101547618 A CN 101547618A CN A2007800450162 A CNA2007800450162 A CN A2007800450162A CN 200780045016 A CN200780045016 A CN 200780045016A CN 101547618 A CN101547618 A CN 101547618A
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- Prior art keywords
- tobacco smoke
- smoke filter
- shell
- filter
- helical element
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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
- A24D3/04—Tobacco smoke filters characterised by their shape or structure
- A24D3/045—Tobacco smoke filters characterised by their shape or structure with smoke acceleration means, e.g. impact-filters
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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
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
- A24D3/0212—Applying additives to filter materials
- A24D3/0225—Applying additives to filter materials with solid additives, e.g. incorporation of a granular product
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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
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0229—Filter rod forming processes
- A24D3/0245—Filter rod forming processes by winding, e.g. spirally
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- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
A tobacco smoke filter (10) can comprise a spiral core (11) of impermeable or semi-permeable material. A filter spiral core (11) is surrounded by filter material (12) such as cellulose acetate and wrapped in paper (13).
Description
Invention field
The present invention relates generally to and be used for the device of filtration of tobacco smoke, their manufacturing and purposes.Clearer and more definite, the present invention relates to be applicable to the filter tip (filter) in the fume extracting device.
Background of invention
The disposable filtering mouth that uses has used decades in smoke product separately.Filter tip normally relies on following method to be made by cellulose acetate: wherein cellulose acetate is dissolved in solvent for example in the acetone, and spins polymer filaments with this solution.This filament is lubricated and ties up, then that it is curling and dry.Perhaps, filter-tip material comprises polypropylene and cellulose.Can be with the filter tip segmentation, potential uses different materials in different sections; They can be mixed with for example carbon of particulate additives.
Filter tip is positioned at an end of tobacco rod, purpose be make the tobacco rod that spontaneous combustion smog before being sucked by the smoker by this filter tip, described smog comprises particle mutually and vapor phase.Filter-tip fiber has formed mechanical barrier, and it captures the particulate matter in the smog stream.Early stage filter tip only relies on this mechanical filter; Referring to for example US patent No.4502495.
Recently scheme comprises that the passage that provides along the wrapping paper of filter tip outside dilutes the smog that is sucked.Their other targets are the volatile ingredients of smog, and this composition is not subjected to the influence of filter-tip physical barriers usually.For example, optionally remove volatile element in the smog stream by adding adsorbent or absorber material.
Active carbon, porous ore for example sepiolite, silica gel and cation-or anion-exchanger resin through being often used as additive for filter tip.Carbon or charcoal can be used for removing sour gas.Sepiolite has strong suction-operated for charged species.Silica gel is easy to adsorb aldehydes and hydrogen cyanide.Cationic ion-exchange resin has been suggested and has been used for removing nicotine, and anion exchange resin has been suggested and is used for removing nicotinic acid.The researcher constantly develops the new additive of locking one class or specific smog composition.
The challenge that granular or microparticle material are joined in the filter filaments to be faced be how will this single particle so that their keep active mode to adhere to.For example, adhesive (it guarantees particle is remained on the position of fiber) may block the reaction site on the particle.A kind of solution that has proposed is to form cavity in filter tip, and in batch the particle of packing in cavity, though it has a kind of other problem, that is, in use how to form the passage by the smog stream of so loose particulated bed.
The method that solution in addition comprises particle problem is that they are packed in the pipe parallel with the smog flow direction, makes smog contact by this Guan Bingyu particle wherein thus.By making pipe is nonlinear, thereby makes that the path of filtering is longer, referring to US patent No.4373539.
Other example of known filter tip is disclosed among WO86/03381, US2003/0200973 and the EP-A0033772, and its description has the different filter tip of helical form smoke path.
Because exigence reduces particulate and the steam composition in the smog in the art, therefore be used to improve existing filter-tip new material and method makes us expecting.Especially, the solution that can use with any routine or novel filter-tip material and additive will be useful especially.
Summary of the invention
According to the present invention, a kind of smoke filter that is used for tobacco product is provided here, this tobacco product comprises axially extended filter tip part, and this part has constituted in use smog along its passage by filtering material, wherein this passage spiral extension around filter-tip axle.By the smoke path of therefore twining is provided, can increase smog and the time of contact of filtering material and the surface area of the filtering material that is contacted around filter-tip axle.
According to a kind of embodiment of the present invention, a kind of tobacco smoke filter is provided, it comprises having the columnar shell of being generally of internal diameter; And helical element, this element has diameter and is arranged in shell, and wherein the diameter of this helical element approximates the internal diameter of shell greatly.This filter tip further comprises the filtering material between this helical element and this shell.
Shell can comprise plug wrap (plug wrap), and it can comprise a plurality of passages.If have passage, then this passage can be positioned at the respective regions of the shell that does not cover helical element.Shell can be two-layer at least, for example, and the cellulose acetate internal layer of outer layer of plug wrap and contiguous helical element.
Helical element can comprise polypropylene, polyethylene, and paper, carbon paper, impregnated paper or any other material of instruction wherein, and can comprise on its outer surface coating.This coating can comprise active carbon, activated coconut carbon, active carbon from coal, zeolite, silica gel, sepiolite, aluminium oxide, carbonaceous resin and combination thereof.This helical element can comprise compressible edge, can contact with the internal diameter of shell at this edge's element.Selectable or in addition, the core of helix core can be compressible.
Filtering material can comprise at least a following material that is selected from: cellulose acetate, and polypropylene, polyethylene, gauffer paper (gathered paper) and combination thereof, for example, randomly-oriented cellulose acetate.This filtering material can further comprise activated carbon, flavorant, adsorbent or absorbent.
In one embodiment, this filtering material has occupied the whole spaces between helical element and the internal diameter of outer cover basically.This has guaranteed must pass through this filtering material along the smog that helical element flows, and good filtration behavior is provided thus.In addition, firm sense of this filter tip and reliable sense have been given in the close packing of the filtering material in filter tip.This close packing can realize by using fubril or this type of filtering material.
According to another embodiment, a kind of tobacco product is provided, it has comprised according to tobacco smoke filter of the present invention.
According to another embodiment, the present invention relates to a kind of method of making tobacco smoke filter, it comprises following step: provide to be generally columnar spiral thing, this spiral thing has internal helicoid shape revolution space and has external margin, the external margin of the spiral thing of filtering material being put into this internal helicoid shape revolution space and will filling is encapsulated into shell.
As what use herein, " tobacco " refers to any part of any of Nicotiana and reprocessing material thereof, for example leaf, flower, stem.It comprises the derivative of the specific compound of for example finding in natural baccy, no matter nicotine for example is that extract or synthetic, and the structural derivative fibre-bearing part of tobacco leaf for example.It comprises substitute of tobacco in addition, and this substitute comprises single chemical substance of planting chemical substance and/or complexing, and this material is when by suitable preparation, and its performance classes is similar to natural baccy.
As what use herein, any element of " tobacco smoke filter " expression, it is used as the device of tobacco smoke by wherein, and some composition in the tobacco smoke is slowed down, cools off and/or keeps therein.When tobacco smoke comprises the accessory substance of result of combustion of tobacco and does not have real burning the accessory substance of tobacco heating the two.
Description of drawings
Put into practice in order to make theme of the present invention can should be readily appreciated that and be easy to, referring now to accompanying drawing, this accompanying drawing is used to exemplify, therein:
Fig. 1 represents a kind of perspective view, and it is the filter-tip partial parsing figure of the present invention;
Fig. 2 represents a kind of side view, and it is filter-tip local longitudinal cross-section figure of the present invention and local explosion views.
Fig. 3 represents the cross-sectional view of filter tip of the present invention along the line A-A of Fig. 2;
Fig. 4 represents a kind of perspective view, and it is the filter-tip partial parsing figure of the present invention;
Fig. 5 represents the filter-tip axial cross-sectional view of the present invention;
Two figure of the element B of Fig. 6 A and 6B presentation graphs 5, one is the figure of filter tip of the present invention when not being compressed, the figure when being filter tip compression of the present invention;
The alternative structure of element B of Fig. 6 C and 6D presentation graphs 5;
Fig. 7 is the schematic diagram of manufacture method of the present invention;
Fig. 8 represents to be used to produce the part of a kind of embodiment of filter-tip machine of the present invention;
Fig. 9 represents a kind of side view of embodiment of machine, and this machine is used to fill filter-tip internal helicoid shape of the present invention space; With
Figure 10 represents along the cross-sectional view of the line A-A of Fig. 9.
Describe in detail
The present invention relates to tobacco smoke filter, it comprises the helical element that is positioned at axial centre.This element can be taked the structure of any number in cross section, though it is described to single spiral thing at this usually.With reference to figure 1, it has represented to have the tobacco smoke filter 10 of helix core 11.Has filtering material 12 in the helix core shown in the embodiment of Fig. 1.Because shell 13 is taken apart by the part, so helix core 11 and filtering material 12 be visible, and shell 13 is called as plug wrap here.
Helix core 11 has the diameter of the internal diameter that approximates shell 13 greatly.That is, the external margin of this spiral thing is adjoining this shell usually.Filtering material 12 is arranged in groove, and this groove is to be formed by the edge that is in the spiral thing between helix core 11 and the shell 13.
Known as the production engineer, helical curve can move to higher the right from the lower left side, makes it become right hand spiral thing, perhaps moves to the higher left side from lower the right, therefore becomes left-handed helix.The right hand-or left hand-spiral thing can be as the helix core in the invention process.
The pitch of spiral thing (that is the length of a complete helical form rotation) is based on that balance between expectation that improves filtration path and the needs that can be easy to suck selects.The pitch that is used for any filter tip of the present invention can be optimized based on following variable by those skilled in the art: the material of screw element for example, and particularly whether it is porous; Surround material and its packaged tightness degree and the aeration in addition of spiral thing.This pitch can be 1-4mm, for example 2-3mm.
The permeability that is used for the material of helix core in some applications can be preferably low, like this its atresia effectively.This against the layout of the shell in the less hole of this spiral thing, has guaranteed that when smog is inhaled into this smog is forced in spiral mode and passes through this filter tip with closely.This has improved physical filtering and the chance of removing volatile ingredient extra from tobacco smoke is provided.Extrusion plastic, paillon foil or coated paper are some examples that can be used to form the material of this helix core.
According to another embodiment, the material that is used for this helix core is porous.Can in this material, form the hole and come the selected smog composition of specific capture.For example, this material can be the polymer with the stamp of target component molecule.Hole in this material can with additive for example flavorant or diluent fill, this additive can in use be inhaled in a spot of aerosol spraying of beginning, stays empty hole, this hole can with the smog stream interaction here pass through subsequently.Helix core can be formed by active carbon, and it can have such density, that is, most smog be in the spiral thing around, and the carbon structure of the smog of fraction by this helix core.Can use adhesive to make the particulate of active carbon form and remain in this spirality.
According to another embodiment, this helix core is an atresia, but has porous surface and smog interaction between component.Selectable or in addition, this helix core can apply or apply with such reagent with for example flavorant, this reagent is designed to capture, neutralizes or disturbs the smog composition.
The width of helix core and length preferably approximate the width and the length of the tobacco smoke filter of standard greatly.For example, the cigaratte filter of standard is typically the girth of 10-30mm length and 25-30mm.Therefore the width of helix core can allow a shell coaxial or multicompartment less than this standard.
In helix core is firm and situation non-flexible material, the zone of the cellulose acetate of the coaxial close packing that is centered around the spirality outside can preferably be provided, make filter tip more approach conventional filter-tip sensation in use.Length also can be adjusted, and for example it can be that the part of standard filter length is come at one end or two ends hold one or more filter element.
For the filter tip of standard outward appearance is provided, can be preferably has the cellulose acetate filter section that the smoker can see at the mouth end of tobacco product, therefore the multi-segment filter of introducing among the present invention can be half cellulose acetate at smoker's one end, and half is at the tobacco smoke filter of the novelty of tobacco rod end.Only form in the situation of the filter-tip part of multicomponent at helical element, can preferably avoid filtering material is joined in the spiral thing.
The thickness that forms the material of helix core also is a product variable.At the spiral thing is in the impervious situation of smog, and thickness can be the rank of 0.5-2mm.When the spiral thing is that this thickness can be 0.5-3mm in smog composition and/or the surrounding air alternative situation about seeing through.It all is identical that thickness needs not to be along entire cross section, and in order to be easy to produce or obtain good product sense of touch, spiral center can be thicker than outer most edge.Selectable or in addition, the central shaft of helix core can be solid, form a circling round, in cross section, have outside radial flange.By in conjunction with adjusting, can adjust pitch and help the pull resistance or the pressure drop that provide desired the thickness that forms spiral material.
This area known passage usually can be incorporated in the filter tip of the present invention.Such hole will be improved the dilution of tobacco smoke and will be convenient to by circuitous filtration path suction.It effectively may be that it is provided at such position that the ventilation Kongzui is provided in the spirality pattern corresponding to helix core, that is, be provided on the position that shell do not adjoin the helix core edge.When determining whether to use passage, to consider pressure drop, the number in hole and position (it depends on the shape and the material of spiral thing) and consider employed any filtering material.
Helix core of the present invention can be made according to any suitable method.Concrete manufacturing need be according to selected material and size, and according on helix core, whether there being coating to change.For example, the core of extruding in the filter nozzle manufacturing method of routine can be sneaked in the cellulose acetate.
Helix core and make the smog stream that sucks before arriving the smoker with respect to the position of shell, cost than time standard, that the detour footpath is longer by this filter tip.This provides increases surface area and increases the possibility that filter time takes place.Therefore, this helix core itself is exactly one type a filtering material.
If the helix core of encapsulation is only surrounded by surrounding air, then the smog of Xi Ruing can not farthest filter, and this is because it only needs mobile longer path before in entering smoker's mouth.The cooling effect of air and some particulate matters will be played in this longer path may sedimentation and be attached to core or above the bag paper.Even comprise in the situation of filtering material in helix core itself, with in addition be used as in one section the situation of multi-segment filter in such helix core, such design can not maximum possible the smog of filtration gained, and may only be a kind of embodiment preferred for special application therefore.
Therefore, around the spiral thing,, realize the filtration of maximum possible up to providing other material to make for the application of routine in the space of shell.For example, randomly-oriented typel, promptly Chang Gui filter material tablet can be provided filtering material on every side by the spiral thing that closely is filled into more or less, still makes smog to suck simultaneously.Can use and have any typel that can be blended into the size range in the filter tip, for example 2mm.
Other material that optionally surrounds helix core comprises any filtering material that is applicable to the smog that filtration sucks, and can be fragment, distorted shape or other.Place for example adsorbent of additive that material around the helix core can sneak into any number, absorbent, diluent, flavorant or the like.Material and method that they are blended in the different filter assemblies are known in the art.For example, use usually active carbon and resin the two, and can provide these two.
The device of conventional production tobacco product can use according to the present invention.Tobacco smoke filter material of the present invention can be provided in the machine, this tobacco smoke filter material of the present invention has size and the handling property identical with the filter tip of standard.Machine will be combined this novel filter tip and tobacco rod, bag paper and yew paper (tipping paper) and produce a kind of goods, and these goods have size and the outward appearance that is similar to conventional products, but the filter tip with novelty of the present invention.
The shell that is comprising helix core can be conventional plug wrap.It can be coated with any desired additive on one or two faces, for example along the colouring agent and the aromatic of outer surface, simulate the cork pattern and have the undercoating of the material (for example activated carbon particles) etc. of a kind of attracting smell and diluent, flavorant, raising filterability.Can provide a kind of material layer along inner surface, improve filter-tip tactile quality, for example, the cellulose acetate layer that forms internal diameter of outer cover can be similar to conventional filter-tip sensation so that filter tip has, and this may improve the attraction to the smoker.
Under present creating conditions, when adding yew paper was connected to filter element on the tobacco rod, the filter tip part had been compressed about 1mm on girth.In one embodiment of the present invention, have cellulose acetate layer between plug wrap and helix core, this cellulose acetate layer may adapt to described compression.But, particularly adding in the situation about directly compressing in the process of single layer enclosure in helix core, some flexible or compressibility may preferably be provided in this helix core.
Fig. 5 has described a kind of example of cross section of helix core 11 of being surrounded by shell 12.Circle illustrates in Fig. 6 A and 6B in more detail around area B.Fig. 6 A has represented wanting to make the edge of helix core 11 contact part with shell 12, and how construct in this zone at the edge of this helix core 11.This edge has the feature of deformable flange-type, and it is crooked and allow the inside pressure of shell 12 under compression.Fig. 6 B has represented this zone is how to adapt to described compression.After compression stress discharged, itself reset to the structure of Fig. 6 A again the edge of helix core 11.
The benefit of an increase of the structure of Fig. 6 A and 6B shown type is like this, that is, it has sealing effectiveness between core and shell, and this has further guaranteed to force suck to pass through this spirality path by this filter-tip smog.Depend on structure and material that helix core is used, can also provide compressibility to improve smoker's sense of touch.For example, the material that is used for helix core can be flexible, and has tension force when distortion, and purpose is that it can be re-inflated initial structure after using yew paper.Perhaps, the step that adopts yew paper to use in can situation below: for example it is that helix core preferred or provided here is not designed to compressible on the economy here.
Perhaps, helix core can be compressible.Preferably it still is expandable, can return to its original dimension like this after compression.Such embodiment can be provided, and its part along helix core has circular edge, and this edge is in the state of housing contacts to be avoided puncturing or tearing in compression or processing procedure, referring to Fig. 6 C.Another selection provides a kind of smooth edge, and this flat portions is in the position that flushes with shell, and this has reduced the danger of tearing equally, and may improve sealing effectiveness and sense of touch, referring to Fig. 6 D.
Fig. 7 has schematically represented a kind of manufacturing filter-tip method of the present invention.Device 70 comprises spirality feed 71, and this feed can be the plastic spiral thing that a bundle is extruded.Filtering feed 72 can be a collection of estron.Shell feed 73 provides the means of encapsulation filter assembly, and it can be a volume plug wrap.
Though the filtering material of the conventional typical production elongated cylindrical of method, and be cut into littler unit and use separately, possible some helix core is advantageously pursued the unit manufacturing, is blended in the filter tip then, and combines with tobacco rod.They can form the whole length of filter region, and perhaps they can be the parts of multi-segment filter.
In use, device 70 will supply to filtering material adduction zone 74 from the spirality material of feed 71.Material at this feed of inherent filtration in the future 72 supplies to described spirality.A kind of additive application apparatus 75 is provided, its single assembly or a series of device shown in can being, potential each supplied with different additives.Drying device 76 is provided, its can adduction from before the shell of shell feed 73 or afterwards, solidify inner filter assembly.A cutting knife 77 is installed prepared filter-tip material is cut into desired length.
Any alternative method known or that developed can be used for producing tobacco smoke filter of the present invention.For example, produce a multi-segment filter as shown in Figure 8.Represented a continuous rod 81, it finally is divided into a plurality of independent filter unit 82.Each filter unit 82 comprises first filter tip section, 83, the second filter tip sections 84 and the 3rd filter tip section 85.In the embodiment illustrated, the helix core part is provided in second filter tip section 84.
By proportioner 87 particle 86 is joined in the helix core of the second filter tip part 84.Particle 86 can be filtering material, additive or the mixture of the two.A kind of selectable embodiment embodiment for example shown in Figure 8, first filter tip section that will have cellulose acetate, second filter tip section of atresia spiral (it has flavorant in internal helicoid shape space), with the 3rd filter tip section that comprises carbon (for example form the cavity filter tip of filter tip section, it is filled with carbon particle or carbon paper).It will be apparent to those skilled in the art that the method that multiple prior art is arranged here, its proportioner that can be similar to Fig. 8 uses.
Can be contemplated that and multiple proportioner can be offered same rod that wherein each device supplies to helix core with different materials.For example, first unit feeding, first flavorant, the second unit feeding absorbent and the 3rd unit feeding second flavorant.These three kinds of devices can provide the zones of different of filling same helix core with additive separately side by side; Perhaps, they can successively join their materials separately in each helix core whole.
Helix core design is observed the current path of different smog here, a kind of or other these structures can be preferred.For example, the beginning part of observing the aerosol spraying that is sucked here mainly moves along the central area of core, and the aft section of this same aerosol spraying is along the perimeter of core, in the situation about moving towards shell, multistep or multilayer filler can be preferred, first material and second material are provided, and described first material will influence the beginning part of aerosol spraying, and second material will influence the aft section of aerosol spraying.
Fig. 9 has represented a kind of other example, and helix core 11 is by a rotation feeding machine 91 here, and this feeding machine provides material 92 simultaneously and provides the core with this filling to be wrapped in the shell 13 around core.Figure 10 represented along the cross section of line A-A, here obviously as can be seen material 92 enter into feeding machine 91, and the institute that exists around the filled core 11 has living space.
Though for some situation, that is, make single procedure of processing can handle for the situation of whole functions for material here and design, after formation filtering material or additive material being joined in the helix core may be a kind of preferable methods.For example, swivel head can be extruded helix core, fills inner helical space with filtering material and/or additive material simultaneously.Multiple material can at first mix, and adds as mixture then, perhaps, one or more every kind of discrete additive feed streams can be arranged.Can be preferred in this latter's the form situation below: wherein to adding material carry out different processing or sedimentation or other problem wherein take place in mixture.
Though Fig. 7-10 has related to the single line of processing with helix core of the present invention, it will be apparent to those skilled in the art that and to reach best production efficiency by multiple arrangement or a series of parallel step are provided.For example, the device shown in Fig. 9 and 10 can be double or three times provide, therefore having produced is alternate manner twice or the filter-tip material more than three times.
Embodiment 1 filter tip manufacturing
Active carbon is molded as the spirality of the about 6mm of diameter.Use geometrical mean pitch and low porosity, that is, and hypotonicity.This carbon is cut into the length of about 20mm.The cellulose acetate crude fibre unit of standard is provided, and this fibre diameter is about 6mm, and length is about 10mm, and described crude fibre is arranged with alternant on carbon spiral thing length.
Before the girth parcel of the cellulose acetate layer that the coarse-fibred length of spiral thing/cellulose acetate is thick with about 0.5mm, in the internal helicoid shape space of this carbon spiral thing, provide the mixture of flavorant and adsorbent around it.That can choose wantonly as known in the art, provides plug wrap on every side in this cellulose acetate layer.
This provides the filtering material of certain-length, it can provide a plurality of filter elements along middle cutting of the long cellulose acetate crude fibre of about 10mm, each unit is long to be about 30mm, and each unit comprises the cellulose acetate crude fibre of about 5mm at each end, surrounds this carbon spiral thing with the additive in the internal helicoid shape space.
The filter tip of so being produced can be incorporated into tobacco product for example in tobacco pipe or the water pipe, and a kind of effectively still disposable filtering material that is used to suck smog wherein is provided.Can provide different length and thickness according to desired purposes.For being used for smooth a little chimney, can forming cross section and be oval-shaped a little helix core.According to instruction of the present invention, this still is considered to normally columnar.
The manufacturing of embodiment 2 cigarettes
Normally used a kind of resin in the tobacco smoke filter is extruded the air-locked spirality of production by a mould, and its diameter is about 7mm, and length is 10 meters.Should form thing and supply in the machine, this machine uses suction or vacuum, for example sucks accessory, with estron be filled into the spiral thing around.The spiral thing of this filling is wrapping in the plug wrap, and in dry accessory, solidifies.The filter tip of this curing is cut into 60mm length, and it is provided in the cigarette machine.
Cigarette machine uses this filter tip, produces cigarette according to known method.In brief, two tobacco rods are placed filter-tip arbitrary end, and in case after firm the placement, then filter tip is cut off from the centre.With a kind of optional end joint, a slice cellulose acetate for example, the mouth that joins cigarette is brought in and is covered up this helical form core unit.Formed product is a kind of cigarette, and it incorporates the tobacco smoke filter that novelty of the present invention is arranged into.
The explanation of the front of having set forth and embodiment only are used for illustrating the present invention, but not limit it.Because it may occur to persons skilled in the art that the described embodiment that embodies purport of the present invention and essence is improved, so the present invention should be interpreted as comprising the whole change in the scope of additional claims and equivalent thereof widely.
Claims (16)
1. tobacco smoke filter, it comprises:
Has the columnar shell of being generally of internal diameter;
Helical element, this element have diameter and are arranged in shell, and wherein the diameter of this helical element approximates the internal diameter of shell greatly; With
Filtering material between this helical element and this shell.
2. according to the tobacco smoke filter of claim 1, wherein said shell comprises plug wrap.
3. according to the tobacco smoke filter of claim 2, wherein said plug wrap comprises a plurality of passages.
4. according to the tobacco smoke filter of claim 3, wherein said passage is positioned in the zone of the shell that does not cover helical element.
5. according to the tobacco smoke filter of claim 1, wherein said shell is at least two-layer.
6. according to the tobacco smoke filter of claim 6, wherein said shell is the skin of plug wrap and the internal layer of cellulose acetate.
7. according to the tobacco smoke filter of any one aforementioned claim, wherein said helical element comprises polypropylene, polyethylene, paper, carbon paper or impregnated paper.
8. according to the tobacco smoke filter of any one aforementioned claim, wherein said helical element comprises coating on its outer surface.
9. tobacco smoke filter according to Claim 8, wherein said coating comprises active carbon, activated coconut carbon, active carbon from coal, zeolite, silica gel, sepiolite, aluminium oxide, carbonaceous resin and combination thereof.
10. according to the tobacco smoke filter of any one aforementioned claim, wherein
Described helical element contacts with the internal diameter of shell;
Described helical element is laterally compressible; With
Described helical element and internal diameter of outer cover keep in touch after compression.
11. according to the tobacco smoke filter of any one aforementioned claim, wherein said filtering material comprises at least a following material that is selected from: cellulose acetate, polypropylene, polyethylene, gauffer paper, carbon and combination thereof.
12. according to the tobacco smoke filter of claim 11, wherein said filtering material comprises randomly-oriented cellulose acetate.
13. according to the tobacco smoke filter of any one aforementioned claim, wherein said filtering material further comprises flavorant, adsorbent or absorbent.
14. according to the tobacco smoke filter of any one aforementioned claim, wherein said filtering material has occupied the whole space between helical element and the internal diameter of outer cover basically.
15. a tobacco product, it comprises any one the tobacco smoke filter according to claim 1-14.
16. a method of making tobacco smoke filter, it comprises:
Provide to be generally columnar helix, this helix has internal helicoid shape revolution space and has external margin, and this external margin defines and is generally shape cylindraceous;
Filtering material is put into this internal helicoid shape revolution space; With
The external margin of the spiral thing of this filling is encapsulated in the shell.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB0624321.6A GB0624321D0 (en) | 2006-12-05 | 2006-12-05 | Tobacco smoke filter and methods of making the same |
| GB0624321.6 | 2006-12-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101547618A true CN101547618A (en) | 2009-09-30 |
Family
ID=37711610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007800450162A Pending CN101547618A (en) | 2006-12-05 | 2007-11-22 | Tobacco smoke filter and methods of making the same |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US20100147317A1 (en) |
| EP (1) | EP2096944A1 (en) |
| JP (1) | JP2010511400A (en) |
| KR (1) | KR20090096448A (en) |
| CN (1) | CN101547618A (en) |
| AR (1) | AR064161A1 (en) |
| AU (1) | AU2007330588B2 (en) |
| BR (1) | BRPI0719576A2 (en) |
| CA (1) | CA2669082A1 (en) |
| CL (1) | CL2007003490A1 (en) |
| GB (1) | GB0624321D0 (en) |
| MX (1) | MX2009005791A (en) |
| MY (1) | MY147529A (en) |
| RU (1) | RU2442508C2 (en) |
| TW (1) | TW200840494A (en) |
| UA (1) | UA96168C2 (en) |
| WO (1) | WO2008068458A1 (en) |
| ZA (1) | ZA200903457B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101822429A (en) * | 2010-06-08 | 2010-09-08 | 郑敦森 | Cigarette filter tip |
| CN102166042A (en) * | 2011-05-25 | 2011-08-31 | 四川三联卷烟材料有限公司 | Spiral filter stick |
| CN102754919A (en) * | 2011-04-29 | 2012-10-31 | 许继东 | Cigarette filter tip |
| CN102771892A (en) * | 2011-05-11 | 2012-11-14 | 许继东 | Cigarette filter tip |
| CN106263022A (en) * | 2016-08-12 | 2017-01-04 | 云南恩典科技产业发展有限公司 | A kind of cigarette fastener material meeting safety requirements and application thereof |
| CN109640710A (en) * | 2016-08-17 | 2019-04-16 | 日本烟草产业株式会社 | Filter and smoke product |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0818810D0 (en) * | 2008-10-14 | 2008-11-19 | British American Tobacco Co | Smoking article |
| US9386803B2 (en) * | 2010-01-06 | 2016-07-12 | Celanese Acetate Llc | Tobacco smoke filter for smoking device with porous mass of active particulate |
| CN103209606A (en) * | 2010-10-06 | 2013-07-17 | 塞拉尼斯醋酸纤维有限公司 | Smoke filters for smoking devices with porous masses having a carbon particle loading and an encapsulated pressure drop |
| WO2012051548A2 (en) | 2010-10-15 | 2012-04-19 | Celanese Acetate Llc | Apparatuses, systems, and associated methods for forming porous masses for smoke filter |
| GR1007749B (en) * | 2011-05-04 | 2012-11-02 | Αντωνιος Μαστροκαλος | Filter for cigarettes |
| GB201110432D0 (en) | 2011-06-21 | 2011-08-03 | British American Tobacco Co | Smoking article |
| CN102240070B (en) * | 2011-06-30 | 2013-08-21 | 红云红河烟草(集团)有限责任公司 | Filter stick shaping paper capable of improving cigarette smoking quality and preparation method thereof |
| US8807140B1 (en) * | 2012-08-24 | 2014-08-19 | Njoy, Inc. | Electronic cigarette configured to simulate the texture of the tobacco rod and cigarette paper of a traditional cigarette |
| CN102895846A (en) * | 2012-11-04 | 2013-01-30 | 戴新育 | Smoke filtering absorbent |
| US10060632B2 (en) | 2013-10-02 | 2018-08-28 | Samsung Electronics Co., Ltd. | Cooking apparatus and method of controlling the same |
| US20190090534A1 (en) * | 2017-09-26 | 2019-03-28 | Krutch Waves, Inc. | Spiral-shaped enhanced draw tip/crutch for loose leaf cigarettes |
| US20190098928A1 (en) * | 2017-10-02 | 2019-04-04 | Essentra Filter Products, Inc. | Smoking article filter |
| GB2568096A (en) * | 2017-11-06 | 2019-05-08 | Essentra Filter Products Inc | Smoking article filter |
| US11395507B2 (en) | 2018-09-07 | 2022-07-26 | Altria Client Services Llc | Filter for an e-vaping device, e-vaping device with the filter, and method of forming the filter |
| US11311048B2 (en) | 2018-09-07 | 2022-04-26 | Altria Client Services Llc | E-vaping device with an insert |
| US11432581B2 (en) | 2018-09-07 | 2022-09-06 | Altria Client Services Llc | Capsule containing a matrix, device with the matrix, and method of forming the matrix |
| CN110693083A (en) * | 2019-10-16 | 2020-01-17 | 南通力德尔机电科技有限公司 | Cooling tar-removing environment-friendly cigarette holder and manufacturing method thereof |
| KR102533027B1 (en) * | 2020-11-10 | 2023-05-16 | 주식회사 케이티앤지 | Aerosol generating articles |
| CN113208173A (en) * | 2021-04-29 | 2021-08-06 | 河南中烟工业有限责任公司 | Device for heating cigarette smoking set shell and lowering temperature |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE1692707U (en) * | 1954-07-09 | 1955-02-10 | Erich Hofmann | SPIRAL FILTER. |
| DE1760179U (en) * | 1957-11-28 | 1958-01-16 | Edmund Butke | REVERSIBLE FILTER CIGARETTE TUBE. |
| US3336928A (en) * | 1964-05-07 | 1967-08-22 | James W Haley | Smoking article |
| GB1508084A (en) * | 1976-03-17 | 1978-04-19 | British American Tobacco Co | Tobacco-smoke filters |
| CH631060A5 (en) | 1980-02-08 | 1982-07-30 | Petrus Saraber | LONG SMOKE CHANNEL FILTER. |
| US4373539A (en) | 1981-09-25 | 1983-02-15 | Innacelli Frank L | Tobacco smoke filter |
| DE3444991A1 (en) | 1984-12-10 | 1986-06-19 | Hans Balsthal Elstner | FILTERS FOR SMOKING GOODS AND SMOKING DEVICES |
| WO2003086116A1 (en) * | 2002-04-12 | 2003-10-23 | Philip Morris Products, S.A. | Activated carbon fiber cigarette filter |
| BRPI0709264B1 (en) * | 2006-03-28 | 2018-09-18 | Philip Morris Products Sa | smoking article with a restrictor |
-
2006
- 2006-12-05 GB GBGB0624321.6A patent/GB0624321D0/en not_active Ceased
-
2007
- 2007-11-22 WO PCT/GB2007/004466 patent/WO2008068458A1/en active Application Filing
- 2007-11-22 JP JP2009539795A patent/JP2010511400A/en active Pending
- 2007-11-22 RU RU2009125611/13A patent/RU2442508C2/en not_active IP Right Cessation
- 2007-11-22 BR BRPI0719576-1A patent/BRPI0719576A2/en not_active IP Right Cessation
- 2007-11-22 UA UAA200906591A patent/UA96168C2/en unknown
- 2007-11-22 CA CA002669082A patent/CA2669082A1/en not_active Abandoned
- 2007-11-22 KR KR1020097011697A patent/KR20090096448A/en not_active Application Discontinuation
- 2007-11-22 AU AU2007330588A patent/AU2007330588B2/en not_active Ceased
- 2007-11-22 MY MYPI20092274A patent/MY147529A/en unknown
- 2007-11-22 EP EP07824672A patent/EP2096944A1/en not_active Withdrawn
- 2007-11-22 CN CNA2007800450162A patent/CN101547618A/en active Pending
- 2007-11-22 MX MX2009005791A patent/MX2009005791A/en active IP Right Grant
- 2007-11-22 US US12/517,791 patent/US20100147317A1/en not_active Abandoned
- 2007-12-04 CL CL200703490A patent/CL2007003490A1/en unknown
- 2007-12-04 TW TW096145995A patent/TW200840494A/en unknown
- 2007-12-05 AR ARP070105455A patent/AR064161A1/en not_active Application Discontinuation
-
2009
- 2009-05-19 ZA ZA200903457A patent/ZA200903457B/en unknown
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101822429A (en) * | 2010-06-08 | 2010-09-08 | 郑敦森 | Cigarette filter tip |
| CN102754919A (en) * | 2011-04-29 | 2012-10-31 | 许继东 | Cigarette filter tip |
| CN102771892A (en) * | 2011-05-11 | 2012-11-14 | 许继东 | Cigarette filter tip |
| CN102166042A (en) * | 2011-05-25 | 2011-08-31 | 四川三联卷烟材料有限公司 | Spiral filter stick |
| CN102166042B (en) * | 2011-05-25 | 2013-03-27 | 四川三联卷烟材料有限公司 | Spiral filter stick |
| CN106263022A (en) * | 2016-08-12 | 2017-01-04 | 云南恩典科技产业发展有限公司 | A kind of cigarette fastener material meeting safety requirements and application thereof |
| CN106263022B (en) * | 2016-08-12 | 2019-11-05 | 云南恩典科技产业发展有限公司 | A kind of preparation method for the cigarette fastener material meeting safety requirements |
| CN109640710A (en) * | 2016-08-17 | 2019-04-16 | 日本烟草产业株式会社 | Filter and smoke product |
Also Published As
| Publication number | Publication date |
|---|---|
| US20100147317A1 (en) | 2010-06-17 |
| MY147529A (en) | 2012-12-31 |
| AR064161A1 (en) | 2009-03-18 |
| KR20090096448A (en) | 2009-09-10 |
| MX2009005791A (en) | 2009-06-08 |
| ZA200903457B (en) | 2010-03-31 |
| TW200840494A (en) | 2008-10-16 |
| CL2007003490A1 (en) | 2008-06-27 |
| EP2096944A1 (en) | 2009-09-09 |
| WO2008068458A1 (en) | 2008-06-12 |
| RU2009125611A (en) | 2011-01-20 |
| RU2442508C2 (en) | 2012-02-20 |
| AU2007330588B2 (en) | 2010-10-28 |
| CA2669082A1 (en) | 2008-06-12 |
| AU2007330588A1 (en) | 2008-06-12 |
| JP2010511400A (en) | 2010-04-15 |
| GB0624321D0 (en) | 2007-01-17 |
| UA96168C2 (en) | 2011-10-10 |
| BRPI0719576A2 (en) | 2013-12-17 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20090930 |
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| C20 | Patent right or utility model deemed to be abandoned or is abandoned |