CN104869854A - A filter for a smoking article - Google Patents
A filter for a smoking article Download PDFInfo
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- CN104869854A CN104869854A CN201380069516.5A CN201380069516A CN104869854A CN 104869854 A CN104869854 A CN 104869854A CN 201380069516 A CN201380069516 A CN 201380069516A CN 104869854 A CN104869854 A CN 104869854A
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- China
- Prior art keywords
- filter
- section
- filter section
- axial region
- smoking article
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Classifications
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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
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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
- A24D1/00—Cigars; Cigarettes
- A24D1/002—Cigars; Cigarettes with additives, e.g. for flavouring
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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
- A24D1/00—Cigars; Cigarettes
- A24D1/02—Cigars; Cigarettes with special covers
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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
- A24D3/048—Tobacco smoke filters characterised by their shape or structure containing additives
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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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
The invention provides a filter for a smoking article, which has a first filter section comprising a filter material and a smoke modifying additive disposed in an axial region thereof and a second filter section connected to the first filter section and having at least one channel located in an axial region thereof for directing smoke, in use, through the axial region of the first filter section. The smoke modifying additive can comprise a flavourant such as menthol and the second filter section can comprise a tubular section of fibrous filter material. An adsorbent filter section can also be provided.
Description
Technical field
The present invention relates to the filter for smoking article and the smoking article comprising filter.
Background technology
Known smoking article filter (such as cigarette filter) comprises the continuous tow of filament shape cellulose esters substantially.Cellulose esters is collected at together to be formed cut with the rod forming each filter section.Smoking article filter can be made up of a joint filter stick, or can make from more piece and can have therebetween or not have cavity or interval.
Summary of the invention
According to the embodiment of the present invention, a kind of filter for smoking article is provided, this filter comprises the first filter section and is connected to the second filter section of described first filter section, wherein this first filter section comprises filter material and is placed in the flue gas property-modifying additive in its axial region, this the second filter section comprises filter material and is positioned at least one passage of its axial region, passes through the described axial region of the described first filter section being placed with described flue gas property-modifying additive in use guiding flue gas.First and second filter sections can be the filter section that is separated and/or flue gas property-modifying additive only can be placed on the filter material of the first filter section described axial region in or in the non axial region of the filter material of the first filter section, there is larger concentration in described axial region internal ratio.
Compared with other regions of the filter material of the first filter section, at least one passage described can have more slight drag to the flue gas through it.Passage can be through the hollow passage of the second filter section.
Second filter section can be connected to described first filter section, makes the second filter section just in downstream or the upstream of described first filter section when being included in smoking article with box lunch.
The axial region of the described filter material of the described first and/or second filter section can have the radius from 1mm to 4mm and/or can be centered on the axis of smoking article.
First filter section can comprise continuous print filter material, and it has the flue gas property-modifying additive be placed in its axial region.Second filter section can comprise tubular filter section.Tubular filter section can be formed by fibrous filter material.
In non axial region, flue gas property-modifying additive can be placed with larger concentration in the described axial region internal ratio of the filter material of the first filter section.
Flue gas property-modifying additive can only be placed in the described axial region of the filter material of the first filter section.
Second filter section in use can be configured to the axial region guiding the flue gas of major part through the first filter section, and guides the non axial region passing the first filter section compared with the flue gas of small part.
Flue gas property-modifying additive can comprise packed additive.Flue gas property-modifying additive can be received in capsule, and this capsule is positioned at the first filter section and the position except longitudinal middle position of the first filter section.
Capsule can be positioned at the first filter section and distance the first filter section the position of longitudinal middle position from 1mm to 10mm.
Flue gas property-modifying additive can be placed on carrier material.Carrier material can comprise wire rod.
Filter can comprise the 3rd filter section further, and it is connected to described first filter section to make the 3rd filter zone section be positioned at the upstream of described first filter section when being included in smoking article.3rd filter section can be the filter section be separated.3rd filter section can comprise fibrous filter material and granulated adsorbent agent material.In the circumferential zones that granulated adsorbent agent material can be placed in the 3rd filter section, be dispersed in the filter material of the 3rd filter section, or comprise be placed in the 3rd filter section circumferential zones in some granulated adsorbent agent materials and some granulated adsorbent agent materials of being dispersed in the 3rd filter section.
According to embodiments of the invention, also provide a kind of smoking article comprising filter as defined above.
Second filter section can be configured to just in the downstream of described first filter section and in the suction nozzle end of smoking article.
According to embodiments of the invention, a kind of smoking article is provided further, it comprises the first section and the second section, this first section comprises aerosol generating material and is placed in the aerosol property-modifying additive in its axial region, and described second section comprises filter, this filter has at least one passage being positioned at its axial region, for the axial region in use guiding the aerosol that produced by aerosol generating material by the first section.
Second section can comprise tubular filter section.Tubular filter section can be formed by fibrous filter material.
Aerosol property-modifying additive can be placed with larger concentration in the described non axial region of axial region internal ratio of the aerosol generating material of the first filter section.
Second section in use can guide the axial region of flue gas through the first section of greater part, and guides the flue gas of more small part through the non axial region of the first section.
Accompanying drawing explanation
With reference now to accompanying drawing, by means of only way of example, the embodiment of the present invention is described, in accompanying drawing:
Fig. 1 is the schematic diagram of smoking article, and it has filter, and this filter has tubulose downstream filter section and upstream filter section, and this upstream filter section comprises the packed additive of a breakable capsule form;
Fig. 2 is the schematic diagram of smoking article, and it has filter, this filtration utensil tubular filter section and the filter section comprising the wire rod carrying additive;
Fig. 3 is the schematic diagram of smoking article, and it has filter, and this filter has tubular filter section and comprises the filter section of packed additive of multiple breakable capsule form;
Fig. 4 is the schematic diagram of the smoking article with filter, and this filter is similar to the filter described with reference to figure 1 and still also comprises another filter section with the adsorbent be dispersed in filter material;
Fig. 5 is the schematic diagram of the smoking article with filter, but this filter is similar to the filter that describes with reference to figure 2 also comprises another filter section, and this another filter section comprises and being dispersed in filter material and the adsorbent be placed in the circumferential zones of filter material;
Fig. 6 is the schematic diagram of smoking article, and it has aerosol and generates section and tubular filter section, and this aerosol generates the packed additive that section has the multiple microencapsulation form be dispersed in its axial region; And
Fig. 7 is the schematic diagram of smoking article, and it has filter, and this filter has tubular upstream filter section and downstream filter section, and this downstream filter section comprises the packed additive of a breakable capsule form.
Detailed description of the invention
As used herein, term " smoking article " comprises smokable product (such as based on the cigarette of tobacco, tobacco derivative, expanding tobacco, reconstruct tobacco or tobacco, cigar and cigarlet) and heat is not fired product and can be produced other nicotine delivery devices aerocolloidal for delivery to consumer.Such smoking article can have the filter for the air-flow aspirated by smoker.
The smoking article of such as cigarette and size thereof are named according to cigarette length usually: " routine " is (usually in the scope of 68-75 millimeter, such as from about 68 millimeters to about 72 millimeters), " short " or " miniature " (68 millimeters or less), " king-size " is (usually in the scope of 75-91mm, such as from about 79 millimeters to about 88 millimeters), " length " or " overlength " is (usually in the scope of 91-105 millimeter, such as from about 94 millimeters to about 101 millimeters) and " extremely long " (usually from the scope of about 110 millimeters to about 121 millimeters).
Smoking article also can be named according to the girth of cigarette: " routine " (about 23-25 millimeter), " wide " (being greater than 25 millimeters), " carefully " (about 22-23 millimeter), " medium fineness " (about 19-22 millimeter), " ultra-fine " (about 16-19 millimeter) and " superfine " (being less than about 16 millimeters).Therefore, the cigarette of king-size, ultra-fine size is such as by the girth of the length and about 17 millimeters with about 83 millimeters.The cigarette of conventional extended type size is that many consumers institute is preferred, namely has the girth from 23 to 25 millimeters and the total length from 75 to 91 millimeters.
Often kind of size all can be made with the filter of different length, and less filter is generally used in the size of less length and girth.Usual filter length is by relevant to short conventional size from 15mm() be correlated with to 30mm(and extremely long ultra-fine size).Tipping paper will have the length longer than filter, and such as longer than filter 3 to 10mm.
The smoking article described after can manufacturing with above-mentioned any size and filter.Smoking article such as can have the length from 70 to 100mm and the girth from 14 to 25mm.
Term used herein ' upstream ' and ' downstream ' are the relative terms be defined relative to the direction of the main flume being in use drawn through smoking article (or other aerosols).
Fig. 1 is the schematic diagram of smoking article 1, and it is general cylindrical shape shape and is conventional extended type size, namely has the length within the scope of 75-91mm and the girth in 23 to 25mm scope.Smoking article 1 comprises the tobacco rods 2 be wrapped in bag leaf material 3, in this exemplary cigarette paper, tobacco rods is longitudinally connected to filter 4 by tipping material 5, and this tipping material 5 is overlapping in filter 4 and is partly overlapping in bag leaf material 3 filter 4 is connected to tobacco rods 2.Filter 4 is included in the first section 6 of the tobacco rods end of filter 4, and it is included in the axial region of the filter material of the first section 6 in it to be provided with the sorbent material 7 of capsule 8.Axial region be in this example be centered in smoking article 1 axis ' the region with about 3mm radius on a'.In an alternative embodiment, the radius of axial region can in the scope from 1mm to 4mm or from 1mm to 3mm or be about 1mm, 1.5mm, 2mm, 2.5mm, 3mm or 3.5mm.Capsule 8 or other additive materials can only be placed in the axial region of the filter material of the first filter section 6, or can be placed with and in the non axial region of the filter material of the first filter section 6, have larger concentration in described axial region internal ratio.First section is wrapped in the first plug wrap 9.
Filter 4 is included in the second section 10 of the suction nozzle end of filter 4 further, and it comprises fibrous filter material 11, and this filter material 11 is formed tubular form and has the passage 12 at the center extending through filter material 11.Extend through the sky at the center of filter material 11 or hollow channel 12 can be diametrically be diametrically such as from 1mm to 6mm from 2mm to 5mm.The passage 12 extending through the center of filter material 11 is empty hollow passage in this example.In certain embodiments, passage extends through the axial region of the filter material of the second filter section 10.The axial region of the second filter section 10 be in this example be centered in smoking article 1 axis ' the region with the radius of about 2.5 millimeters on a'.In an alternative embodiment, the radius of axial region can in the scope from 1mm to 4mm or from 1mm to 3mm or be about 1mm, 1.5mm, 2mm, 2.5mm, 3mm or 3.5mm.In this example, tubular filter section is formed by cellulose ester tow and is wrapped in the second plug wrap 13.The wall thickness of tubular filter is about 1.5 millimeters.In an alternative embodiment, wall thickness can in the scope from 1mm to 4mm or from 1mm to 3mm or be about 1mm, 1.5mm, 2mm, 2.5mm, 3mm or 3.5mm.But, specific dimensions can be selected to obtain having the pipe of desired stiffness, porous and other features based on the density of the filter material forming pipe with the level of plasticizer being applied to material.Tubular filter section 10 can be manufactured by using existing technique and machine.
First sections 6 is the cellulose esters sections by using continuous cellulose ester fiber and plasticizer to be formed.Capsule 8 is spherical and has the diameter of 3.5 millimeters, but also can use the capsule of other shapes and size, and capsule accommodates the fluid additive changed through the character of the main flume of smoking article 1.Can capsule 8 be manufactured by using existing technique and machine and be inserted in the first filter section 6.In this example, capsule 8 accommodates mint flavouring, but also can accommodate other fluid or granular additive in capsule 8.Capsule can be staved by consumer to be discharged in adsorbent filter material 11 by fluid additive.
Shown the axis of smoking article 1 in Fig. 1 by ' a', tobacco rods 2 and the first and second filter sections 6,10 align relative to this axis a.
In this example, as defined above, capsule 8 is positioned at ' axial region ' of the first filter section 6.Capsule 8 can be positioned such that the center of capsule compared to smoking article 1 periphery closer to the axis ' a ' of smoking article 1.In this example, capsule 8 is oriented to its center substantially along axis ' a '.In this example, capsule 8 deviates from the longitudinal center of the first filter section 6.Capsule 8 can such as be positioned at the first filter section 6, distance the first filter section 6 longitudinal middle position in the position from 1mm to 10mm.Capsule 8 is positioned at the part of the downstream closer to the first filter section 6 of the first filter section 6.Therefore capsule 8 is closer to the second filter section 10 instead of tobacco rods 2.Particularly, the distance ' d ' between the center of capsule 8 and the downstream of the first filter section 6 is less than the half of total longitudinal length of the first filter section 6.In certain embodiments, distance ' d ' be less than total longitudinal length of the first filter section 6 40% or be less than the first filter section 6 total longitudinal length 30% or be less than the first filter section 6 total longitudinal length 25%.In this example, distance ' d ' is approximate 30% of total longitudinal length of the first filter section 6.In an alternative embodiment, capsule 8 can be oriented to longitudinally be centered in the first filter section 6 or closer to the upstream extremity of the first filter section 6 instead of downstream.
In this example, smoking article 1 has the air vent (not shown) through tipping material 5 and the first plug wrap 9, thus is provided to the ventilation in the first filter section 6.If formed by online laser beam perforation, then air vent is preferably located in the lengthwise position outside capsule 8 present position, to avoid damaging capsule 8 during manufacture.Such as, in the smoking article of the second downstream filter section 10 of the first upstream filter section 6 and 7mm length with 20mm length, ventilation can provided apart from 20mm place, suction nozzle end, and capsule 8 is longitudinally placed in the first filter section between two parties, and therefore extend to 18.75 millimeters from 15.25 millimeters of distance suction nozzle end owing to having 3.5 mm dias.
In use, the tobacco rods 2 of smoking article 1 is lighted by consumer in a usual manner and is passed filter 4 from the coal-fired drawing tobacco smoke of tobacco rods 2.The main flume that passage in the second filter section 10 12 and surrounding tubular filter material 11 compare through filter 4 has less resistance, and therefore more the main flume of vast scale be guided through passage 12.This so cause main flume more around the first filter section 6 axis ' a' axial region (capsule 8 in the inner) in flowing.When consumer is before suction smoking article 1 or when destroying capsule 8 in aspiration procedure, due to the second filter section 10, the increase that the flue gas property-modifying additive (being peppermint in the current situation) accommodated in capsule 8 is released to main flume with larger concentration is flowed in the axial region of the first filter section 6 be conducted through.Therefore, the increase flow enhuancement of main flume flue gas property-modifying additive sending to consumer, and therefore compared with conventional smoking article, smoking article 1 can improve flue gas property-modifying additive sending to consumer.
Because capsule 8 is positioned at the part closer to the second filter section 10 instead of tobacco rods 2 of the first filter section 6, so further increase the impact of increase flowing on capsule 8 content (once being released) of main flume.Compared to when the first section 6 accommodating capsule 8 is positioned at the suction nozzle end of smoking article 1 may residing for position, use the suction nozzle end that tubulose second section 10 can make capsule 8 be oriented to closer to smoking article 1 in the suction nozzle end of smoking article 1.This is because the first section 6 is separated with the mouth of consumer by pipe, thus prevent the mouth of the content contact consumer from capsule 8.
Fig. 2 is the schematic diagram of the smoking article 21 with filter according to the further embodiment of the present invention.Unless hereafter separately explained, otherwise the feature of smoking article 21 is identical with the feature of the smoking article 1 described with reference to figure 1.Smoking article 21 comprises the tobacco rods 22 be wrapped in bag leaf material 23, this bag leaf material 23 is cigarette papers in such examples, and described tobacco rods is by being overlapping in filter 24 and the tipping material 25 being partly overlapping in bag leaf material 23 is longitudinally connected to filter 24.Filter 24 is included in the first section 26 of the tobacco rods end of filter 24, and it comprises sorbent material 27.In the present case, not that there is the capsule 8 be placed in the first filter section, but sorbent material 27 has the additive carrying wire rod 28 be set in the axial region (not shown) of the first section 26 in the inner, wherein the axial region of the first filter section 26 is defined relative to the first filter section 6 of smoking article 1 as mentioned above.Wire rod such as can be formed by cotton or cellulose ester fiber and be loaded with the spices between 0.1 and 10mg, such as mint flavouring.Have been found that at 0.2 to 2mg or the spices load level between 0.2 and 1mg be effective.First section 26 is wrapped in the first plug wrap 29.Wire rod 28 carry can modification through the additive of main flume of filter 24, be mint flavouring in the present case.
Filter 24 is included in the second section 30 of the suction nozzle end of filter 24 further, it comprises fibrous filter material 31, this filter material 31 is formed tubular form and has the center that extends through filter material 11 or the passage 32 by its axial region, and this is similar to the second section 10 of the filter 4 of Fig. 1 mentioned above.In this example, tubular filter section is formed by cellulose ester tow and is wrapped in the second plug wrap 33.
First sections 26 is the cellulose esters sections by using continuous cellulose ester fiber and plasticizer to be formed.Wire rod 28 can be inserted in filter material during formation filter section 26 by using existing technique and machine.
In use, the smoking article 21 shown in Fig. 2 operates in the mode being similar to the smoking article 1 shown in Fig. 1.But, be not destroy capsule 8 to discharge flue gas property-modifying additive, but consumer can aspirate smoking article 21 in due form simply.When so done, due to the second filter section 30, the axial region of the first filter section 26 residing for wire rod 28 being conducted through carrying flue gas property-modifying additive is moved in the more multithread of main flume.Therefore, when aspirating smoking article, the increase flow enhuancement of main flume flue gas property-modifying additive sending to consumer, and therefore compared with conventional smoking article, smoking article 1 can improve flue gas property-modifying additive sending to consumer.
Fig. 3 is the schematic diagram of the smoking article 41 with filter according to the further embodiment of the present invention.Unless hereafter separately explained, otherwise the feature of smoking article 41 is identical with the feature of the smoking article 1 described with reference to figure 1.Smoking article 41 comprises the tobacco rods 42 be wrapped in bag leaf material 43, and this bag leaf material 43 is cigarette papers in such examples, and tobacco rods is overlapping in filter 44 and the tipping material 45 being partly overlapping in bag leaf material 43 is longitudinally connected to filter 44.Filter 44 is included in the first section 46 of the tobacco rods end of filter 44, and it comprises sorbent material 47.In the present case, not that there is the capsule 8 be placed in the first filter section, but sorbent material 47 has in axially region the multiple microcapsules be set in the inner, axial region is defined like that for the filter section 6 of smoking article 1 as mentioned above.First section 46 is wrapped in the first plug wrap 49.
Filter 44 is included in the second section 50 of the suction nozzle end of filter 44 further, it comprises fibrous filter material 51, this filter material 51 is formed tubular form and has the center that extends through filter material 11 or the passage 52 by its axial region, be similar to above with reference to figure 1 passage 12 described in.In this example, tubular filter section is formed by cellulose ester tow and is wrapped in the second plug wrap 53.
In use, the smoking article 41 shown in Fig. 3 operates in the mode being similar to the smoking article 1 shown in Fig. 1.But, be not destroy single capsule 8 to discharge flue gas property-modifying additive, but consumer suction smoking article 41 before or destroy multiple microcapsules 48 in aspiration procedure.When so done, due to the second filter section 50, the axial region of the first filter section 46 residing for flue gas property-modifying additive being conducted through and discharging from microcapsules is moved in the more multithread of main flume.Therefore, when aspirating smoking article, the increase flow enhuancement of main flume flue gas property-modifying additive sending to consumer, and therefore compared with conventional smoking article, smoking article 41 can improve flue gas property-modifying additive sending to consumer.
Fig. 4 is the schematic diagram of the smoking article 61 with filter according to the further embodiment of the present invention.Unless hereafter separately explained, otherwise the feature of smoking article 61 is identical with the feature of the smoking article 1 described with reference to figure 1.Smoking article 61 comprises the tobacco rods 62 be wrapped in bag leaf material 63, and this bag leaf material 63 is cigarette papers in such examples, and tobacco rods is overlapping in filter 64 and the tipping material 65 being partly overlapping in bag leaf material 63 is longitudinally connected to filter 64.Filter 64 comprises three filter sections, comprise the first central section 66, this first central section 66 comprises sorbent material 67, the capsule 68 be placed in its axial region, and this axial region is defined like that for the filter section 6 of smoking article 1 as mentioned above.First section 66 is wrapped in the first plug wrap 69.
Second filter section 70 is placed in the suction nozzle end of Three-stage-type filter 64, and comprise fibrous filter material 71, this filter material 71 is formed tubular form and has the center that extends through filter material 11 or the passage 72 by its axial region, is similar to the passage 12 with reference to figure 1 mentioned above.In this example, tubular filter section is formed by cellulose ester tow and is wrapped in the second plug wrap 73.
3rd filter section 74 is placed in the tobacco end place of Three-stage-type filter 64 and comprises the adsorber material granules 75 be dispersed in fibrous filter material 76, is active carbon particle in the present case.In this example, sorbent material 75 is formed by cellulose ester tow and is wrapped in the 3rd plug wrap 77.In this example, use the active carbon particle of 40mg, but also can use other amount, such as, between 10mg and 80mg or between 10mg and 50mg.
In this example, capsule 68 be positioned at the first filter section 66 the downstream closer to the first filter section 66 or closer to the second filter section 70 instead of closer to the upstream extremity of the first filter section or the part closer to tobacco rods 62.Particularly, the distance ' d ' between the center of capsule 68 and the downstream of the first filter section 66 is approximate 30% of total longitudinal length of the first filter section 66.In an alternative embodiment, capsule 68 can be oriented to longitudinally be centered in the first filter section 66 or closer to the upstream extremity of the first filter section 66 instead of downstream.
First filter section 66 has the length of 10mm in this example, and the second filter section 70 has the length of 7mm and the 3rd filter section 74 has the length of 10mm, but also can use other section length.In the position of the suction nozzle end 22mm of distance smoking article 61, in the 3rd filter section, provide ventilation.
In use, smoking article 61 shown in Fig. 4 operates in the mode being similar to the smoking article 1 shown in Fig. 1, and the 3rd additional filter section 74 provides additional selective smoke filtration in the first filter section 66 upstream and therefore can not affect flue gas property-modifying additive sending to consumer.
Fig. 5 is the schematic diagram of the smoking article 81 with filter according to the further embodiment of the present invention.Unless hereafter separately explained, otherwise the feature of smoking article 81 is identical with the feature of the smoking article 61 described with reference to figure 4.Smoking article 81 comprises the tobacco rods 82 be wrapped in bag leaf material 83, and this bag leaf material 83 is cigarette papers in such examples, and tobacco rods is overlapping in filter 84 and the tipping material 85 being partly overlapping in bag leaf material 83 is longitudinally connected to filter 84.Filter 84 comprises three filter sections, comprise the first central section 86, this first central section 86 comprises sorbent material 87 and is not comprise capsule 68 but be included in its axial region the wire rod 88 be set in the inner, and this axial region is defined like that about the first filter section 6 of smoking article 1 as mentioned above.First section 86 is wrapped in the first plug wrap 89.
Second filter section 90 is placed in the suction nozzle end of Three-stage-type filter 84, and comprise fibrous filter material 91, this filter material 91 is formed tubular form and has the center that extends through filter material 91 or the passage 92 by its axial region, is similar to the passage 12 with reference to figure 1 mentioned above.In this example, tubular filter section is formed by cellulose ester tow and is wrapped in the second plug wrap 93.
3rd filter section 94 is placed in the tobacco end of Three-stage-type filter 84 and comprises the adsorber material granules 95 be dispersed in fibrous filter material 96, is active carbon particle in the present case.3rd filter section 94 also comprises the adsorber material granules 97 be dispersed in its circumferential zones, is active carbon particle in the present case.But these can be omitted in another alternative exemplary.In this example, fibrous filter material 96 is formed by cellulose ester tow and the 3rd filter section 94 is wrapped in the 3rd plug wrap 98.The adsorber material granules 97 be dispersed in the circumferential zones of the 3rd filter section 94 is applied to the inner surface of plug wrap 98 with the pattern of extending longitudinally article, four articles in described extending longitudinally article are evenly radially spaced around the 3rd filter section 94.With the symmetrical pattern around filter section granulated adsorbent agent material 97 is bonded to plug wrap can contribute to preventing from causing filter section to be out of shape owing to using binding agent and maximize simultaneously filter section internal memory the amount of bulk material 97.
First filter section 86 has the length of 10mm in this example, and the second filter section 90 has the length of 7mm and the 3rd filter section 94 has the length of 10mm, but also can use other section length.Such as, ventilation is provided to first and the 3rd in filter section in the corresponding position of suction nozzle end 13mm and 20mm of distance smoking article 81.
In use, smoking article 81 shown in Fig. 5 operates in the mode being similar to the smoking article 21 shown in Fig. 2, and the 3rd additional filter section 94 provides additional selective smoke filtration in the first filter section 86 upstream and therefore can not affect flue gas property-modifying additive sending to consumer.
Fig. 6 is the schematic diagram of the smoking article 101 according to the further embodiment of the present invention.Smoking article 101 is general cylindrical shape shape and is conventional extended type size, namely has the length within the scope of 75-91mm and the girth in 23 to 25mm scope.Smoking article 101 comprises the tobacco rods 102 be wrapped in bag leaf material 103, this bag leaf material 103 is cigarette papers in such examples, and tobacco rods is overlapping in filter 104 and the tipping material 105 being partly overlapping in bag leaf material 103 is longitudinally connected to filter 104.Filter 104 is included in the first section 106 of the tobacco rods end of filter 104, and it comprises sorbent material 107 and is wrapped in the first plug wrap 108.
Filter 4 is included in the second section 109 of the suction nozzle end of filter 104 further, it comprises fibrous filter material 110, this filter material 110 is formed tubular form and has the center that extends through filter material 110 or the passage 111 by its axial region, is similar to the passage 12 with reference to figure 1 mentioned above.In this example, tubular filter section is formed by cellulose ester tow and is wrapped in the second plug wrap 112.
The filter end place that tobacco rods 102 is included in tobacco rods 102 is placed in the multiple microcapsules 113 in its axial region, this axial region is similar on position and size that above-mentioned the first filter section 6 about smoking article 1 defines, and only it is positioned at tobacco rods 102.
Shown the axis of smoking article 1 in Fig. 1 by ' a', tobacco rods 2 and the first and second filter sections 46,50 are arranged along this axis a.
In use, the smoking article 101 shown in Fig. 6 operates in the mode being similar to the smoking article 41 shown in Fig. 3.But, be not before suction smoking article 41 or the multiple microcapsules 48 destroyed in aspiration procedure in filter section, but consumer destroys the multiple microcapsules 113 being positioned at tobacco rods 102.When so done, due to the second filter section 109, the increase flowing of main flume is conducted through the axial region of the filter end of the tobacco rods 2 residing for flue gas property-modifying additive discharged from microcapsules.The increase flow enhuancement of main flume flue gas property-modifying additive sending to consumer, and therefore compared with conventional smoking article, smoking article 101 can improve flue gas property-modifying additive sending to consumer.
Fig. 7 is the schematic diagram of the smoking article 121 with filter according to the further embodiment of the present invention.Unless hereafter separately explained, otherwise the feature of smoking article 121 is identical with the feature of the smoking article 1 described with reference to figure 1.Smoking article 121 comprises the tobacco rods 122 be wrapped in bag leaf material 123, this bag leaf material 123 is cigarette papers in such examples, and tobacco rods is overlapping in filter 124 and the tipping material 125 being partly overlapping in bag leaf material 123 is longitudinally connected to filter 124.Filter 124 is included in the suction nozzle end of filter 124 instead of the first section 126 at the tobacco end place of filter, it capsule 128 comprising sorbent material 127 and be placed in its axial region, this axial region is defined like that about the first filter section 6 of smoking article 1 as mentioned above.First section 126 is wrapped in the first plug wrap 129.Capsule 128 accommodate can modification through the additive of main flume of filter 124, be mint flavouring in the present case.
Filter 124 is included in the tobacco rods end of filter 124 instead of the second section 130 in the suction nozzle end of filter 124 further, it comprises fibrous filter material 131, this filter material 131 is formed tubular form and has the center that extends through filter material 131 or the passage 132 by its axial region, is similar to the second section 10 of the filter 4 with reference to figure 1 mentioned above.In this example, tubular filter section is formed by cellulose ester tow and is wrapped in the second plug wrap 133.
First sections 126 is the cellulose esters sections by using continuous cellulose ester fiber and plasticizer to be formed.Capsule 128 can be inserted in filter material during formation filter section 126 by using existing technique and machine.In this example, capsule 128 is positioned at the upstream extremity closer to the first filter section 126 of the first filter section 126 or the part closer to the second filter section 130 instead of the downstream closer to the first filter section 126 or the suction nozzle end closer to smoking article 121.Particularly, the distance ' d ' between the center of capsule 128 and the upstream extremity of the first filter section 126 is approximate 30% of total longitudinal length of the first filter section 126.In an alternative embodiment, capsule 128 can be oriented to longitudinally be centered in the first filter section 126 or closer to the downstream of the first filter section 126 instead of upstream extremity.
Although not shown, the embodiment of Fig. 7 also can be included in the 3rd filter section of the second filter section 130 upstream, and it corresponds to reference to any one in the 3rd filter section 74,94 described in figure 4 and Fig. 5.
In use, the smoking article 121 shown in Fig. 7 operates in the mode being similar to the smoking article 1 shown in Fig. 1.When capsule 128 breaks thus discharges flue gas property-modifying additive, due to the second filter section 130, the increase of main flume is flowed the axial region of the first filter section 126 that the content that is conducted through capsule 128 has been released to.Therefore, when aspirating smoking article, the increase flow enhuancement of main flume flue gas property-modifying additive sending to consumer, and therefore compared with conventional smoking article, smoking article 121 can improve flue gas property-modifying additive sending to consumer.
Describe specific embodiments of the invention, but the invention is not restricted to these embodiments.Such as, although the second filter section has been described to the tubular portion of fibrous filter material above, it can take other forms, such as, have the filter material section of the lower density regions extending through its axial region.Equally, there is the suction nozzle end falling and be described in filter in low-density tubular section or other sections some embodiments above in axial region, but central authorities or the upstream end thereof of multi-piece type filter can be used as to replaced property in any embodiment, section upstream such as residing for flue gas property-modifying additive, and still benefit from effect of the present invention.Particularly, there is such filter section and can promote that main flume is directed into the axial region (at both axial region upstream and downstreams) of smoking article, this is owing to having comparatively slight drag to the suction consistent with axial region.
Above-mentioned first, second the 3rd filter section is separated sections with (when it is present).Although above-mentioned first, second and (when it is present) the 3rd filter section be joined together by using tipping material, after their formation and they are separated from each other and separate before being joined together.Filter section is also connected to the corresponding tobacco rods of often kind of embodiment by tipping material.In the alternative exemplary of often kind of above-described embodiment, can by use tipping material by first, second and (when it is present) the 3rd discrete filters section be connected to tobacco rods before use another plug wrap be connected first, second with (when it is present) the 3rd discrete filters section.
In order to solve various problem and make technological progress, overall content of the present disclosure by means of the mode of example show state that invention can be provided send for the excellent of flue gas property-modifying additive by the various embodiment put into practice.Advantage of the present disclosure and feature are only the representative samples of embodiment, and are not detailed and/or exclusive.They are only presented to contribute to the feature understood and training centre is stated.It should be understood that, advantage of the present disclosure, embodiment, example, function, feature, structure and/or other aspects should not be counted as the equivalent being confined to disclosure defined by the claims or claim, and can adopt other embodiments and can make improvement under the prerequisite not deviating from the scope of the present disclosure and/or spirit.Various embodiment can suitably comprise disclosed element, parts, feature, partly, the various combinations of step, device etc., or be made up of it or be substantially made up of it.In addition, the disclosure comprises current not statement but other inventions declared of following possibility.
Claims (24)
1., for a filter for smoking article, comprising:
The the first filter section be separated, it comprises filter material and is placed in the flue gas property-modifying additive in its axial region; With
Be connected to the second filter section of the separation of described first filter section, this the second filter section comprises filter material and is positioned at least one passage of axial region of this filter material, the described axial region of the described first filter section being placed with described flue gas property-modifying additive is passed through in use guiding flue gas, wherein said flue gas property-modifying additive is only placed in the described axial region of the described filter material of described first filter section, or in the non axial region of the described filter material of described first filter section, there is larger concentration in described axial region internal ratio.
2. filter according to claim 1, wherein, at least one passage described has more slight drag to the flue gas through it, and other regions of the described filter material of described first filter section have larger resistance to the flue gas through it.
3. filter according to claim 1 and 2, wherein said passage is through the hollow passage of described second filter section.
4. the filter according to arbitrary aforementioned claim, wherein said second filter section is connected to described first filter section, makes described second filter section just in downstream or the upstream of described first filter section when being incorporated in smoking article with box lunch.
5. the filter according to arbitrary aforementioned claim, the described axial region of the described filter material of the wherein said first and/or second filter section has the radius from 1mm to 4mm and is centered on the axis of described smoking article.
6. the filter according to arbitrary aforementioned claim, wherein said first filter section comprises continuous filter material, and it has the flue gas property-modifying additive be placed in its axial region.
7. the filter according to arbitrary aforementioned claim, wherein said second filter section comprises tubular filter section.
8. filter according to claim 7, wherein said tubular filter section is formed by fibrous filter material.
9. according to the filter in aforementioned claim described in any one claim, wherein said second filter section is formed in use the described axial region guiding the flue gas of greater part through described first filter section, guides the flue gas of more small part through the non axial region of described first filter section.
10., according to the filter in aforementioned claim described in any one claim, wherein said flue gas property-modifying additive comprises packed additive.
11. filters according to claim 10, wherein said flue gas property-modifying additive is received in capsule, and this capsule is positioned at described first filter section and in the position except longitudinal middle position of described first filter section.
12. filters according to claim 11, wherein said capsule is positioned at described first filter section, apart from longitudinal middle position of described first filter section in the position from 1mm to 10mm.
13. according to the filter in claim 1-9 described in any one claim, and wherein said flue gas property-modifying additive is placed on carrier material.
14. filters according to claim 13, wherein said carrier material comprises wire rod.
15. filters according to arbitrary aforementioned claim, comprise the 3rd filter section of separation further, it is connected to described first filter section to make described 3rd filter zone section be positioned at the upstream of described first filter section when being incorporated in smoking article.
16. filters according to claim 15, wherein said 3rd filter section comprises fibrous filter material and granulated adsorbent agent material.
17. filters according to claim 13, wherein said granulated adsorbent agent material is placed in the circumferential zones of described 3rd filter section, be dispersed in the described filter material of described 3rd filter section, or comprise some granulated adsorbent agent materials in the circumferential zones being placed in described 3rd filter section and be dispersed in some the granulated adsorbent agent materials in described 3rd filter section.
18. 1 kinds of smoking articles, it comprises according to the filter in aforementioned claim described in any one claim.
19. smoking articles according to claim 18, wherein said second filter section is configured to just in the downstream of described first filter section and in the described suction nozzle end of described smoking article.
20. 1 kinds of smoking articles, comprising:
First section, it comprises aerosol generating material and is placed in the aerosol property-modifying additive in its axial region; With
Second section, this second section comprises filter, this filter comprises at least one passage be placed in its axial region, in use guiding by the described axial region of the described aerosol of described aerosol generating material generation by described first section.
21. smoking articles according to claim 20, wherein said second section comprises tubular filter section.
22. smoking articles according to claim 21, wherein said tubular filter section is formed by fibrous filter material.
23. according to the smoking article in claim 20-22 described in any one claim, wherein in the described non axial region of axial region internal ratio of the described aerosol generating material of described first section, places described aerosol property-modifying additive with larger concentration.
24. according to the smoking article in claim 20-23 described in any one claim, wherein said second section is in use configured to the described axial region guiding the flue gas of greater part through described first section, and more the flue gas of small part passes the non axial region of described first section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110799418.3A CN113439872A (en) | 2012-10-31 | 2013-10-29 | Filter for a smoking article |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1219540.0 | 2012-10-31 | ||
| GBGB1219540.0A GB201219540D0 (en) | 2012-10-31 | 2012-10-31 | A filter for a smoking article |
| PCT/GB2013/052813 WO2014068295A1 (en) | 2012-10-31 | 2013-10-29 | A filter for a smoking article |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110799418.3A Division CN113439872A (en) | 2012-10-31 | 2013-10-29 | Filter for a smoking article |
Publications (1)
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| CN104869854A true CN104869854A (en) | 2015-08-26 |
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| CN201380069516.5A Pending CN104869854A (en) | 2012-10-31 | 2013-10-29 | A filter for a smoking article |
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| CN202110799418.3A Pending CN113439872A (en) | 2012-10-31 | 2013-10-29 | Filter for a smoking article |
Country Status (23)
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| US (3) | US20150296878A1 (en) |
| EP (1) | EP2914137B1 (en) |
| JP (2) | JP2014090720A (en) |
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| CN (2) | CN113439872A (en) |
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| PH (1) | PH12015500947A1 (en) |
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| TR (1) | TR201903110T4 (en) |
| UA (4) | UA115998C2 (en) |
| WO (1) | WO2014068295A1 (en) |
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2012
- 2012-10-31 GB GBGB1219540.0A patent/GB201219540D0/en not_active Ceased
-
2013
- 2013-10-29 HU HUE13783656A patent/HUE041761T2/en unknown
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- 2013-10-29 BR BR112015009443-0A patent/BR112015009443B1/en active IP Right Grant
- 2013-10-29 RU RU2015120461A patent/RU2635971C2/en active
- 2013-10-29 BR BR122021013385-9A patent/BR122021013385B1/en active IP Right Grant
- 2013-10-29 AU AU2013340588A patent/AU2013340588B2/en active Active
- 2013-10-29 EP EP13783656.5A patent/EP2914137B1/en active Active
- 2013-10-29 KR KR1020217020156A patent/KR102454343B1/en active IP Right Grant
- 2013-10-29 UA UAA201505095A patent/UA115998C2/en unknown
- 2013-10-30 RU RU2013148377/12U patent/RU143582U1/en active
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- 2013-10-30 UA UAU201412383U patent/UA98840U/en unknown
- 2013-10-30 AR ARP130103961A patent/AR093294A1/en active IP Right Grant
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2015
- 2015-04-28 PH PH12015500947A patent/PH12015500947A1/en unknown
- 2015-04-29 CL CL2015001125A patent/CL2015001125A1/en unknown
- 2015-09-23 HK HK15109303.6A patent/HK1208601A1/en unknown
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2018
- 2018-10-01 JP JP2018003793U patent/JP3219297U/en not_active Expired - Lifetime
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2020
- 2020-09-03 US US17/011,409 patent/US20210045436A1/en not_active Abandoned
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110392533A (en) * | 2017-04-03 | 2019-10-29 | 菲利普莫里斯生产公司 | It is configured to store the smoking product mouthpiece of insertion unit |
| KR20190132416A (en) * | 2017-04-03 | 2019-11-27 | 필립모리스 프로덕츠 에스.에이. | Smoking article mouthpiece configured to receive an insert unit |
| US11272734B2 (en) | 2017-04-03 | 2022-03-15 | Philip Morris Products S.A. | Smoking article mouthpiece configured to receive an insert unit |
| CN110392533B (en) * | 2017-04-03 | 2022-04-08 | 菲利普莫里斯生产公司 | Smoking article mouthpiece configured to receive an insertion unit |
| KR102624351B1 (en) | 2017-04-03 | 2024-01-16 | 필립모리스 프로덕츠 에스.에이. | A smoking article mouthpiece configured to receive an insert unit. |
| CN111315243A (en) * | 2017-09-29 | 2020-06-19 | 英美烟草(投资)有限公司 | Filter unit for a smoking article |
| CN111565583A (en) * | 2017-12-22 | 2020-08-21 | 日本烟草产业株式会社 | Smoking article and filter for smoking article |
| CN111565583B (en) * | 2017-12-22 | 2022-05-03 | 日本烟草产业株式会社 | Smoking article and filter for smoking article |
| TWI727128B (en) * | 2017-12-25 | 2021-05-11 | 日商日本煙草產業股份有限公司 | Smoking article and filter for smoking article |
| CN113825413A (en) * | 2019-03-11 | 2021-12-21 | 尼科创业贸易有限公司 | Article for use in a non-combustible aerosol provision system |
| CN113905622A (en) * | 2019-03-11 | 2022-01-07 | 尼科创业贸易有限公司 | Article for an aerosol provision system |
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Application publication date: 20150826 |