CN103476278B - Tobacco smoke filter - Google Patents
Tobacco smoke filter Download PDFInfo
- Publication number
- CN103476278B CN103476278B CN201280013432.5A CN201280013432A CN103476278B CN 103476278 B CN103476278 B CN 103476278B CN 201280013432 A CN201280013432 A CN 201280013432A CN 103476278 B CN103476278 B CN 103476278B
- Authority
- CN
- China
- Prior art keywords
- downstream
- core
- longitudinal extension
- filter
- filter element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
-
- 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
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D1/00—Cigars; Cigarettes
- A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
- A24D1/045—Cigars; Cigarettes with mouthpieces or filter-tips with smoke filter means
-
- 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
- A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
- A24D3/0279—Manufacture of tobacco smoke filters for filters with special features with tubes
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/04—Tobacco smoke filters characterised by their shape or structure
- A24D3/043—Tobacco smoke filters characterised by their shape or structure with ventilation means, e.g. air dilution
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
A tobacco smoke filter or filter element comprises a longitudinally extending core which includes tobacco smoke filtering material, and an outer wrapper engaged around the longitudinal extending core, wherein the longitudinally extending core includes one or more channels extending longitudinally upstream from the downstream end of the core, and the downstream end of the outer wrapper extends beyond the downstream end of the core around which is engaged to define a cavity at the downstream end of the filter.
Description
Technical field
The present invention relates to the filter of smoking product for such as medicated cigarette and filter element.
Background technology
Increasingly wish to provide distinctive end outward appearance for medicated cigarette.It is a subject matter that medicated cigarette is forged, and is medicated cigarette
Brand forms the important channel that distinctive and/or distinguished outward appearance is the forgery preventing this brand.Additionally, increasingly
The increased advertisement to medicated cigarette and the restriction of packaging mean the outward appearance of medicated cigarette be cigarette producers can make their product and its
One of minority approach that the product phase of his manufacturer is distinguished.There is provided distinctive end outward appearance can help reality for cigarette filter
These targets existing.
Recessed filter is known in tobacco industry, and provides the means forming unique end outward appearance for medicated cigarette.
Their general intervals passing through to separate continuous filter sections stream are wrapped in relatively hard shaping packaging paper (plug
Wrap paper) in manufacturing.By cutting filter stream in the region that no filter element exists, can get recessed filtration
Device hard shaping packaging paper provides enough rigidity so that medicated cigarette finished product can be manufactured and use without crushing filter
Exposure paper end.Recessed filter may be incorporated into one, two or more (such as fiber) filter sections.When using two or more
During multi-segmental, these sections are for example formed typically belonging to different filter configurations by different filtering materials or carry not
Same additive (such as spice or adsorbent).
The extrusion plastic end of cigarette filter is also known, see, for example, US3396733.These provide as perfume (or spice)
Cigarette forms another approach of characteristic end outward appearance.It is internal originally that these ends generally have the hollow with multiple radial support flanks
Body.Such end is used as downstream or the mouth end segment section of multi-segmental filter, and commonly known as SPF (formable plastics filtration
Device).
The another means providing the cigarette filter of distinctive type are for example to illustrate in WO 2007/135414
The bright CPA filter from Filtrona.These are incorporated with and are wrapped in papery inner sleeve (along a part for its length
Embossing) in filter body, this inner sleeve is then enclosed in conventional external shaping packaging thing (plugwrap).Work as filter
When cutting in this region, the inner sleeve of embossing forms plough groove type outward appearance.When using at the mouth end of filter, it forms for medicated cigarette
Distinctive end outward appearance.Such filter can be used as single integral product or as in multi-segmental filter
Sections.
Need to provide, for filter, the more distinctive end outward appearance being difficult to forge.
Content of the invention
According to the present invention, there is provided a kind of tobacco smog filte r (or filter element), it includes：(the example of longitudinal extension
As cylindricality) core, it includes tobacco smoke filtration material；And it is bonded on the outer wrapper around longitudinal extension core；
Wherein longitudinal extension core includes one or more passages of the upstream longitudinal extension in the downstream of core；And it is wherein outside
The downstream of packing material extend beyond its around engage core downstream, with the downstream of filter limit (for example,
Tubulose) cavity.Extend beyond its can be recessed around the inner radial surface of outer wrapper of the downstream of the core engaging
The downstream (for example together with the downstream of longitudinal extension core) entering filter limits cavity or recess, for example tubular cavity/
Recess.
The mistake of recessed filter and (one or more) viewability channel of the upstream longitudinal extension including in core downstream
The combination of the downstream (mouth end) of filter provides the very characteristic end outward appearance being difficult to forge.
In one example, longitudinal extension core includes the hollow pipe of tobacco smoke filtration material.Tobacco smoke filter material
Material can be such as cellulose acetate filter material.The section of hollow pipe (and therefore passage) can be circular or non-circular.Circular or
One or more walls of the hollow pipe of noncircular cross section define the passage of the upstream longitudinal extension in core downstream.This passage
Generally will not extend along the total length of core.Can expect that the filter of these types will cause the organoleptic attribute of improvement and cooler cigarette
Mist, because can control mixed in tubular segment with hence into the smog stream in female end before entering the maxillary of smoker
Close and guide.
According to an aspect of the present invention, there is provided a kind of tobacco smog filte r (or filter element), it includes：Longitudinally prolong
(for example, the cylindricality) core stretched, it includes tobacco smoke filtration material；And it is bonded on the outside around longitudinal extension core
Packing material；
Wherein, longitudinal extension core includes downstream components (for example, downstream sections), and this downstream components includes longitudinal extension
Pipe, it has substantially inside (for example, radially-inwardly) the multiple flanks separating extending to longitudinal extension inside body, and flank exists
(multiple) longitudinally extending channels are limited therebetween (for example, between flank)；
And wherein, the downstream of outer wrapper extend beyond its (and prolong around the downstream of the core engaging
Stretch the downstream beyond downstream components), to limit (for example, tubulose) cavity in the downstream of filter.
Extend beyond its around engage core downstream outer wrapper inner radial surface in recessed filtration
The downstream (for example, together with the downstream of longitudinal extension core) of device limits cavity or recess, such as tubular cavity/recess.
The downstream components (downstream sections) of longitudinal extension core include longitudinally extending tube, and it has substantially inside (for example, footpath
To inwardly) extend to multiple flanks separating of longitudinal extension inside body, flank betwixt limits (for example, between flank)
(multiple) longitudinally extending channels.Inside body can be (for example, tubulose) inside body of hollow, this hollow inside body interior
Wall limits another longitudinally extending channels.Downstream components [for example, longitudinally extending tube, the flank that separates and (for example, hollow) internal
Body] for example discrete component can be integrally formed as by extrusion.Downstream components can be by extrudable any thermoplastic system
Become, such as LDPE.Downstream components can be made up of degradable polymer.Downstream components can contain pigment to give desired color or the moon
Shadow.This pigment can be contrasted (for example, can be contrasted) with white or cream-coloured with the color of filtering material.Downstream components can belong to
In any indoor design, for example, with the inner passage of supporting flank, such as in Britain design application No.4017159
Illustrate.
Longitudinal extension core may include one or more (for example, 1,2,3 or 4) add ons (one or more sections
Section), it includes (positioned at the upstream of the upstream end of downstream components) tobacco smoke filtration material.Tobacco smoke filtration material can be
For example it is conventionally used in those materials (usually thread, fiber, fabric or extruded material) of tobacco smog filte r manufacture
Any.Filtering material can be naturally occurring or synthetic thread tow, such as cotton or such as polyethylene or polyacrylic plastics, or
Cellulose acetate filamentous tow.It can be (usual for the textile material of for example naturally occurring or synthetic staple, velveteen, such as paper
For crape) and synthesis non-woven fabrics and extruded material (for example, starch, synthetic foam).
Any type of filtration device structure becoming known for cigarette filter can be used for these add ons (additional sections)
In, for example, " wrapped acetate fiber ", " not wrapped acetate fiber ", " acetate fiber of random orientation ", " acetic acid fibre
Dimension element " or " active acetate fiber ".Can use any number of (preferably different in the upstream of downstream (for example, " SPF ") element
Characteristic) element, for example, 1,2,3 or 4 sections.In presence, two or more include the additional unit of tobacco smoke filtration material
In the case of part, these add ons preferably have different filtering features, such as cellulose acetate sections and " active acetate fibre
Dimension " sections.
One or more of add ons can comprise (for example, the microgranule) additive material be applied to cigarette filter
(for example, activated carbon) and/or the spice that such as menthol can be comprised.
Additive material can be particulate additives.Particulate additives can be any microgranule being applied to tobacco smog filte r
Additive such as activated carbon, zeolite, ion exchange resin (for example, weak-base anion-exchange resin), meerschaum, silicon
Glue, aluminium oxide, molecular sieve, carbon containing fluoropolymer resin and kieselguhr.Particulate additives can be the mixing of two or more materials
Thing.Additive may include spice for example, and for example, additive can be the meerschaum grain being applied with menthol to menthol.
If it is (many that the longitudinal extension core of tobacco smoke filtration material includes being embedded into full envelope therein (for example, embedding) additive bag
Individual), then additive can be such as activated carbon (seeing above) particulate additives, its for example as particulate additives particle from
Scattered bag or pod are encapsulated in filtering material, and particulate additives are substantially separated with filtering material and are entirely encapsulated in filtering material.
In another example, full envelope (for example, embedding) additive bag (multiple) can be one or more fragility capsules or one or more
Fragility microcapsule.(multiple) capsule or (multiple) microcapsule can comprise medium such as spice and/or liquid, solid or
Other materials, such as to assist Smoke Filter.The use of capsule or microcapsule is well known in the present art.
Described (or one) add ons may include the cellulose acetate filter material cylindrical plag of longitudinal extension.Longitudinal extension
Cellulose acetate filter material cylindrical plag may also include the packing material for example being formed by porous or non-porous shaping packaging thing.This
Wrapped filter/the element of class is referred to as " wrapped acetate fiber " filter or filter element.
Described (or one) add ons may include the cellulose acetate filter material cylindrical plag of longitudinal extension, and it also includes
Particulate additives optionally with the packing material for example being formed by porous or non-porous shaping packaging thing.Such filter/unit
Part is referred to as " active acetate fiber " filter or filter element.
Described (or one) add ons including tobacco smoke filtration material may include bar-shaped tobacco smoke filter material
Material core, it has (one or at least one) of full envelope (for example, embedding) additive (for example, particulate additives) in the inner
Bag.(for example, the bar-shaped core of tobacco smoke filtration material optionally has the extra packing material being bonded on around bar-shaped core
Porous or non-porous).The full additive bag that seals is provided to have the effect that in tobacco smoke filtration material core：Additive with
Second end of core is spaced apart (because there is tobacco smoke filtration material between additive bag and the end of core).Including tool
There is the tobacco smoke of full envelope (for example, the embedding) bag of (or an at least one) additive (for example, particulate additives) in the inner
The single longitudinal extension core of the tobacco smoke filtration material of the bar-shaped core of mist filtering material can for example pass through WO 2006/
Method and apparatus disclosed in 059134 is manufacturing.
Described (or one) add ons including tobacco smoke filtration material may include the rod of tobacco smoke filtration material
Shape core and band additive (for example, the particulate additives) packing material being bonded on around bar-shaped core, band additive packing thing tool
There are the additive (for example, particulate additives) being attached to the one or more part of its inner radial surface, wherein said band additive
Packing material does not have additive in the downstream of core around its periphery.There is not interpolation in the downstream with additive packing thing
Agent has the effect that：Additive is spaced apart with the downstream of core (because not having on the packing material at the second end of core
Additive).Preferably, around its periphery, there is no additive in the downstream of core and upstream two ends with additive packing thing.Cigarette
The longitudinal extension core of tobacco smoke filtering material can be the filter element as disclosed in GB 2261152, this longitudinal extension core bag
The bar-shaped core including tobacco smoke filtration material and band additive (for example, particulate additives) bag being bonded on around bar-shaped core
Dress thing.Can be porous or non-porous with additive packing thing.
Tobacco smog filte r can grow 15 to 40mm, such as 17 to 35mm, such as 20 to 30mm.The recessed section of filter
(that is, the downstream of outer wrapper extend beyond its around engage core downstream with the downstream (example in filter
As mouth) hold that segment length limiting cavity) 3 to 10mm can be grown, and most preferably grow 4 to 6mm.Longitudinal extension core is (under inclusion
Trip element and any add ons including tobacco smoke filtration material) can grow 10 to 30mm, such as 14 to 27mm, such as 17
To 25mm.The girth of tobacco smog filte r can be 14 to 28mm, such as 16 to 26mm, such as 16 to 17mm or 24 to 25mm.
Finished product filtering type medicated cigarette can be ventilation or nonventilated, and has any peripheral extent (example being conventionally used to smoking
As girth c. 14 to c. 28mm).
Outer wrapper can be paper, such as shaping packaging paper, for example hard shaping packaging paper.Outer wrapper can be porous
Or it is non-porous.Outer wrapper can be basic weight about 40 to about 120g/m2Paper.The basic weight of outer wrapper can be about 80 to about
120g/m2, such as basic weight is about 100g/m2, such as the recessed filter of standard (c. 24 to 25mm) girth.For
Very thin or woven fabric carefully recessed filter (for example, carefully to Zhou Changyue 16 to 17mm), outer wrapper can for relatively low basic weight e.g., from about
50g/m2Shaping packaging paper.It will be understood that it is also possible to connecting shaping wrapping paper more fights recklessly dress (tipping) paper with to one-tenth to use
Product recessed filter type medicated cigarette provides desired rigidity.
Using for example in recessed filter configuration rather than in its rotine positioning at Filter mouth end
Be formed integrally as by extrusion discrete component (for example, " SPF sections ") downstream components [for example, longitudinally extending tube, separate
Flank and (for example, hollow) inside body] overcome fragrant in the case of smoker's tongue with extrusion mouth directly contact
Any discomfort that " plastic sense " of cigarette brings.It also provides preferred " mouthfeel " for medicated cigarette, because female end does not have and rigidity
The female end that plastics mouth is associated is so hard.Recess and downstream components (SPF sections) combination at Filter mouth end also mean that
The pollution filter end is substantially without apparent to smoker.Can expect that the filter of these types will cause improvement
Organoleptic attribute and cooler smog because can enter smoker maxillary before control tubular segment in and hence into
The mixing of smog stream in female end and guiding.
According to a further aspect in the invention, there is provided a kind of tobacco smog filte r (or filter element), it includes：Longitudinally
(for example, the cylindricality) core extending, including tobacco smoke filtration material；And it is bonded on the outside around longitudinal extension core
Packing material.
Wherein, longitudinal extension core includes：Downstream components, it includes (for example, cylindricality) tobacco smoke of longitudinal extension
Filtering material downstream core；It is bonded on the first interior packing thing around downstream core；And optionally it is bonded on the first packaging
The second interior packing thing around thing；First packing material has special-shaped (profiled) (for example, corrugated) outer surface, this appearance
Face limits at least one longitudinally extending channels [for example, in downstream core together with the second interior packing thing or outer wrapper
At least one longitudinally extending channels of the upstream longitudinal extension of downstream]；
And wherein, the downstream of the downstream of outer wrapper and/or the first interior packing thing extends beyond it and is enclosed
Around the downstream of the core engaging, to limit (for example, tubulose) cavity in the downstream of filter.Extend beyond its institute around
The inner radial surface of the outer wrapper of the downstream of core engaging or the inner radial surface of the first interior packing thing can be recessed
The downstream (for example, together with the downstream/downstream core of longitudinal extension core) entering filter limits cavity or recess, for example
Tubular cavity/recess.First interior packing thing can be by breathing freely or air-locked material is formed.Preferably, it is ventilative.Second
Interior packing thing (if present) can be by breathing freely or air-locked material is formed.
Described (or each) passage can be in the upstream longitudinal extension of downstream core downstream.Preferably, described or each is logical
Road only extends along a part of length of downstream core.Described or each passage will preferably be in having basic one on its longitudinal extent
The depth causing, but there may be change, such as in passage in the case of closed end.
Described (or each) passage can (alternatively or additionally) downstream longitudinal extension in downstream core downstream (to recess
In region).
First packing material may, for example, be the sheet material with special-shaped (for example, corrugated) surface, and this sheet material quilt cover is to outside
The special-shaped surfaces parcel of packing material or the second packing material.First packing material preferably has the ripple that longitudinally (for example, axially) extends
Stricture of vagina, it at least limits (multiple) longitudinally extending channels for example together with the second packing material or outer wrapper, and it is in downstream
Downstream (upstream) longitudinal extension of core.Each passage can prolonged from it away from this passage by the ripple of the first packing material
One end of the downstream of the downstream core stretched is closed or blocks to provide.First packing material is corrugated on both surfaces,
And longitudinally extending channels can be limited together with downstream core and together with the second packing material or outer wrapper.However, wrap into
Downstream core surface can be consistent with the corrugated inner surface of the first packing material, thus only inside the first interior packing thing and second
Passage is left between packing material or outer wrapper.
That (or each) part of the inclusion vertical passage (for example, it includes ripple) of downstream core is referred to as ditch in the text
Groove or trench portions.That (or each) part that (in the core section) of downstream core does not include vertical passage claims in the text
For excellent or excellent part.It will be understood that, in the aspect of the invention illustrated, there will be groove at (recessed) end in the downstream of downstream core
Point, to provide together with recess distinctive end outward appearance.Can deposit in the upstream (non-re-entrant end) of downstream core
In another trench portions.In one example, downstream core is included in the 3mm trench portions of every one end with as downstream core
The single center bar part of remaining all length.This configuration can have following attendant advantages：The mistake in downstream core can be reduced
The amount of filter material material (for example, cellulose acetate tow), because the pressure drop of rod (PD/mm) is higher than the pressure drop of groove.
This aspect of the invention can hold offer recess in mouth (downstream), has plough groove type or " CPA " in the positive upstream of this recess
Element (sections), wherein (multiple) vertical passage or (multiple) groove are towards mouth end to form more distinctive end outward appearance.?
The upstream of CPA sections there may be one or more additional filtering material elements (sections), as discussed in more detail below.It is located at
Any filter sections of CPA sections more upstream is preferably had the filtering features different from CPA sections, for example, and in a subtle way
Grain additive and/or spice.
Downstream core may include up to 23 passages, preferably between fourteen and twenty channels, [for example, in core downstream
The upstream longitudinal extension (for the filter of Zhou Changyue 25mm) at end].The total cross-sectional area of these passages is always horizontal up to filter
Between the 2% of sectional area and 12%, preferably at least 4%, more preferably between 4% and 8%.Therefore, the quantity to passage and/or depth
The Cautious control (for example, by the controlled embossing of the first packing material) of degree can provide the strainability of improvement.This can be by preferably
Ground with the ripple that can be used for smog surface area increase and optionally together with corrugation pitch increase i.e., ripple with its count
Amount reduces and widens and increase the depth of ripple together realizing.For example, the filter according to the present invention can be in downstream core
Downstream its 15 passages are had with the pitch of about 1.5mm, the deep about 0.45mm of passage；It is deep that another filter can have 0.32mm
Passage, the quantity of passage is 23, and pitch is 1.05mm.The area that can be used for the corrugated packing material of Smoke Filter shows at these
Generally smaller than general waviness shape surface area, because the crest of ripple generally will rest against in outer wrapper and therefore to filtration in example
Device is invalid.
First packing material can be limited to the downstream of downstream core together with the second interior packing thing or outer wrapper
At least one passage of upstream longitudinal extension and at least one passage of the downstream longitudinal extension in the upstream end of downstream core, often
Individual passage only along downstream core length a part extension, wherein at least one portion of downstream core do not include longitudinal extension lead to
Road.
Preferably, the length of each passage is 2mm or bigger, preferably between 2.5mm and 23mm, more preferably exists
Between 3mm and 15mm, more preferably between 3.5mm and 9mm.From one end (upstream end or downstream) extend one or more
Passage can have and those the different length extending from the other end, or they can be equal length.At downstream core two ends
Passage can be between long 7mm and 8mm.Passage at downstream core two ends can be between long 3mm and 4mm, for example long 3.75mm.There is provided
The passage of these sizes means that the performance (tar holding etc.) of downstream core will be acceptable, and it should also ensure that obtains
Obtain advantages of the present invention (for example, consistent pressure drop, enhanced holding).
Longitudinal extension core can only include downstream core, or may include one or more containing tobacco smoke filtration material
(for example, 1,2,3 or 4) add ons (one or more sections).Add ons are by the upstream positioned at downstream core.Tobacco smoke
Mist filtering material can as a example as be conventionally used for tobacco smog filte r manufacture material (usually thread, fiber, fabric or
Any one of extruded material).Filtering material can be naturally occurring or synthetic thread tow, such as such as polyethylene or polypropylene
Cotton or plastics, or cellulose acetate filamentous tow.It can be for example naturally occurring or synthetic staple, velveteen, fabric material
Material such as paper (usually crape) and synthesize non-woven fabrics and extruded material (for example, starch, synthetic foam).
Any type filtration device structure becoming known for cigarette filter can be used in these add ons (additional sections),
For example, " wrapped acetate fiber ", " not wrapped acetate fiber ", " acetate fiber of random orientation ", " acetate fiber
Element " or " active acetate fiber ".Any number of (preferably different spy can be used in the upstream of downstream (for example, " CPA ") element
Property) element, for example, 1,2,3 or 4 sections.In presence, two or more include the add ons of tobacco smoke filtration material
In the case of, these add ons preferably have different filtering features, such as cellulose acetate sections and " active acetate fibre
Dimension " sections.
One or more of add ons can comprise (for example, microgranule) the additive material being suitable in cigarette filter
Material (for example, activated carbon) and/or the spice that such as menthol can be comprised.
Additive material can be particulate additives.Particulate additives can be arbitrarily micro- be applied to tobacco smog filte r
Grain additive such as activated carbon, zeolite, ion exchange resin (for example, weak-base anion-exchange resin), meerschaum, silicon
Glue, aluminium oxide, molecular sieve, carbon containing fluoropolymer resin and kieselguhr.Particulate additives can be the mixing of two or more materials
Thing.Additive may include spice for example, and for example, additive can be the meerschaum grain being applied with menthol to menthol.
If it is (many that the longitudinal extension core of tobacco smog filte r includes being embedded into full envelope therein (for example, embedding) additive bag
Individual), then this additive can be the particulate additives of such as activated carbon (seeing above), and it is for example as discrete particulate additives
Particle bag or pod are encapsulated in filtering material, and particulate additives are substantially separated with filtering material and are entirely encapsulated in filtering material
Interior.In another example, full envelope (for example, embedding) additive bag (multiple) can be one or more fragility capsules, or one or
Multiple fragility microcapsules.(multiple) capsule or (multiple) microcapsule can comprise various media such as spice and/or liquid, consolidate
Body or other materials, such as to assist Smoke Filter.The use of capsule or microcapsule is well known in the present art.
Described (or one) add ons may include the cellulose acetate filter material cylindrical plag of longitudinal extension.Longitudinal extension
Cellulose acetate filter material cylindrical plag may also include the packing material for example being formed by porous or non-porous shaping packaging thing.This
Plant wrapped filter/element and be referred to as " wrapped acetate fiber " filter or filter element.
Described (or one) add ons may include the cellulose acetate filter material cylindrical plag of longitudinal extension, and it also includes
The particulate additives of the packing material of optional area such as porous or non-porous shaping packaging paper.Such filter/element is referred to as " living
Property acetate fiber " filter or filter element.
Described (or one) add ons including tobacco smoke filtration material may include the rod of tobacco smoke filtration material
Shape core, it has one (or at least one) of full envelope (for example, embedding) additive (for example, particulate additives) in the inner
Bag.(for example, the bar-shaped core of tobacco smoke filtration material optionally has the extra packing material being bonded on around bar-shaped core
Porous or non-porous).The full additive bag that seals is provided to have the effect that in tobacco smoke filtration material core：Additive with
Second end of core is spaced apart (because there is tobacco smoke filtration material between additive bag and the end of core).Including tool
There is the tobacco smoke of (or at least one) bag of full envelope (for example, embedding) additive (for example, particulate additives) in the inner
The tobacco smoke filtration material core of the single longitudinal extension of mist filtering material rod core can for example pass through WO 2006/
Method and apparatus disclosed in 059134 is manufacturing.
Described (or one) add ons including tobacco smoke filtration material may include the rod of tobacco smoke filtration material
Shape core and band additive (for example, the particulate additives) packing material being bonded on around rod core, band additive packing thing tool
There are the additive (for example, particulate additives) being attached to the one or more part of its inner radial surface, described band additive packing
Thing does not have additive in core downstream around its periphery.There is not additive in the downstream with additive packing thing to have
Following effect：Additive is spaced apart (because not having additive on the packing material at core second end) with the downstream of core.Excellent
Selection of land, does not have additive in the downstream of core and upstream two ends around its periphery with additive packing thing.Tobacco smoke filters
The longitudinal extension core of material can be the filter element as disclosed in GB 2261152, and this longitudinal extension core includes tobacco smoke
The bar-shaped core of filtering material and band additive (for example, the particulate additives) packing material being bonded on around bar-shaped core.Band adds
Plus agent packing material can be porous or non-porous.
Tobacco smog filte r can grow 15 to 40mm, such as 17 to 35mm, such as 20 to 30mm.The recessed section of filter
(that is, the downstream of outer wrapper extend beyond its around engage core downstream with the downstream (example in filter
As mouth) hold that segment length limiting cavity) 3 to 10mm can be grown, and most preferably grow 4 to 6mm.Longitudinal extension core is (under inclusion
Trip groove core and any add ons including tobacco smoke filtration material) 10 to 30mm, such as 14 to 27mm, example can be grown
As 17 to 25mm.The girth of tobacco smog filte r can be 14 to 28mm, such as 16 to 26mm, such as 16 to 17mm or 24 to
25mm.Finished product filtering type medicated cigarette can be ventilation or nonventilated, and has any girth being conventionally used in smoking
Scope (for example, girth c. 14 to c. 28mm).
Outer wrapper can be paper, such as shaping packaging paper, for example hard shaping packaging paper.Outer wrapper can be porous
Or it is non-porous.Outer wrapper can be basic weight about 40 to about 120g/m2Paper.The basic weight of outer wrapper can be about 80 to about
120g/m2, e.g., from about 100g/m2Basic weight, such as the groove filter of standard (c. 24 to 25mm) girth.For
Very thin or woven fabric carefully recessed filter (for example, carefully to about 16 to 17mm girth), outer wrapper can for relatively low basic weight e.g., from about
50g/m2Shaping packaging paper.It will be understood that it is also possible to connecting shaping wrapping paper is using harder assembled paper, will desired just
Degree gives finished product recessed filter type medicated cigarette.
In the example of this aspect of the invention, the first interior packing thing may extend away beyond its around engage lower travel core
The downstream of portion/downstream components, to limit (for example, individually or together with outer wrapper) (for example, in the downstream of filter
Tubulose) cavity.In such example, the second interior packing thing of downstream core can omit, because another packaging may be needed
Thing (for example, for wrapping up the outer wrapper of the recessed filter of finished product) carrys out each sections of combination filter.It is to be understood, however, that
Basic weight is such as 80g/m2(for example, embossing) first interior packing thing can make compared with low weight such as 40g/m2Outside bag
Dress thing can be used, but still provides sufficiently rigidity in recessed end.
First interior packing thing and/or the second interior packing thing can be colored or dyed to strengthen the special of end outward appearance
Property.Preferably, color or pigment are contrasted with for example white filtering material.
First interior packing thing not necessarily extends beyond the downstream of downstream core.In such example, downstream core and
First interior packing thing can be wrapped in inside second before by outer wrap in (weight shaping packaging paper) outer wrapper
In packing material (as usual for such known " CPA " filter element), when assembling the recessed filter of finished product,
Outer wrapper defines cavity.In other examples, the second interior packing thing can be omitted.It will be appreciated that, these examples will be
The example that one interior packing thing extends downstream into (or limiting this recessed section) in the recessed section of finished filter is formed not
Same end outward appearance.
In the filtering type medicated cigarette according to the present invention, the filter of the present invention (or include the mistake of the filter element of the present invention
Filter) it is bound to the tobacco rod that packed article wraps up, wherein one end of filter is towards Nicotiana tabacum L..For example, can be assembled by ring type
[it is bonded on around (wrapped) filter and the abutting end of rod just, and so that many filter packing materials is exposed] or more excellent
Selection of land fills outer package (it is bonded on around whole filter length and the abutting end of tobacco rod) by spelling, so that filter
It is bound to wrapped tobacco rod.Medicated cigarette may include the outside bag together with filter for (for example, fighting recklessly dress paper) the assembled outer package
Dress thing, to give desired (for example, improving further) rigidity to finished product recessed filter type medicated cigarette.
Any filter according to the present invention or filtering type medicated cigarette can be nonventilated, or can be by public in this area
The method known and divulge information, such as by using pre-punching or ventilative packing material (shaping packaging thing) and/or packing material (molding
Packing material) and assembled outer package laser beam perforation.The dress outer package of air permeability spelling equally can be inherently ventilative or setting
There is air vent, and in filter shaping packaging thing and assembled outer package all ventilating products of presence, logical through outer package ventilation
It is often to align with through the ventilation of shaping packaging thing.Through filter shaping packaging thing or pass through assembled outer package or also cross
The air vent of both can be made by laser beam perforation in filter or filtering type medicated cigarette production period.
Ventilation in the filter according to the present invention or filtering type medicated cigarette is in the product including additive such as activated carbon
In the case of longitudinal colocalization of product, this localization is preferably located in upstream selected from additive, downstream and aligned
One or two region.Therefore, the ventilation in the filter according to the present invention or filtering type medicated cigarette can be in filter or filtering type
Longitudinal colocalization of medicated cigarette, such as selected from the upstream of additive bag (or sticking patch or part), downstream and aligned one
Individual or two regions, this depends on required ventilation and strainability.Preferably, the filter according to the present invention or filtering type are fragrant
Ventilation in cigarette for example can be alignd with add ons in longitudinal colocalization of filter or filtering type medicated cigarette, this add ons
For " active acetate fiber " filter as above or filter element.Upstream in the such as first additive bag (if present)
And/or aligned ventilation is typically preferably.(when presence two between the part (or bag or sticking patch) of Second addition
Or when more) there may be ventilation.
According to the present invention, it yet still another aspect, provide a kind of multiple (for example, 2,4,6 etc.) filter that includes (or filtering
Element) multiple rod, this filter (or filter element) is as mentioned above and/or here is tied with mirror image relationship end-to-end ground one
Close.Multiple rod and their manufacture method are well known in the present art.
Brief description
Referring now to the example below and accompanying drawing, the present invention to be described, wherein：
Fig. 1 schematically shows the recessed filter of the first example according to the present invention；
Fig. 2 schematically shows the recessed filter of the second example according to the present invention；
Fig. 3 schematically shows the recessed filter of the another example according to the present invention；And
Fig. 4 schematically shows the recessed filter of the another difference example according to the present invention.
Specific embodiment
Fig. 1 shows " recessed SPF " filter end, and it is the example of the present invention.This filter includes：The post of longitudinal extension
Shape core, it includes downstream components (1)；And add ons (3), it includes tobacco smoke filtration material.Downstream components (1) are wrapped
Include the extrusion HDPE section of the long 5mm in longitudinal extension cylindricality form of tubes, this column tube has and extends radially inwardly in another
6 flanks separating of the longitudinal extension inside body of hollow cylindrical form of tubes.Flank (together with column tube inner radial surface and
The radially-outer surface of inside body) limit 6 longitudinally extending channels.Internally this internal restriction is another for hollow tubular inside body
Longitudinally extending channels.The cross-sectional profiles of HDPE section (1) are shown in (2).Add ons (3) include fine in cellulose acetate
The cylindrical plag of the tobacco smoke filtration material of dimension form, and long 18mm.Add ons (3) abut to extrusion downstream components (1)
Upstream end and element (3) and (1) utilize basic weight 27g/m2Shaping packaging thing (4) combine, this shaping packaging thing is by ability
In domain, known means apply.100g/m2The outer wrapper (5) of shaping packaging thing is engaged in longitudinal extension core (that is, element
(3) and (1)) around so that complete outer wrap core；The downstream of outer wrapper (5) extends beyond longitudinal extension core
Downstream [and its around engage downstream components (1)], with the downstream of filter limit long 4mm tubular cavity or recessed
Portion (6).Outer wrapper applies by means as known in the art.This obtains the recessed filter of overall length 27mm.
It will be understood that, the combining to provide of recess (6) and downstream components (1) and the downstream (mouth end) of section (2) is difficult to puppet
The very distinctive end outward appearance made, section (2) include the logical of the upstream longitudinal extension in the downstream of core/downstream components
Road.
Fig. 2 shows the another example of " recessed SPF " end, and it is the example of the present invention.This filter includes：Longitudinal extension
Cylindricality core, it includes downstream components (1a)；First add ons (3a), it includes tobacco smoke filtration material；And the
Two add ons (7a), it includes tobacco smoke filtration material.Downstream components (1a) are included in longitudinal extension cylindricality form of tubes
The extrusion HDPE section of long 5mm, this column tube has the longitudinal extension extending radially inwardly in another hollow cylindrical form of tubes
6 flanks separating of inside body.Flank (inner radial surface together with column tube and radially-outer surface of inside body) limits
Fixed 6 longitudinally extending channels.Internally this limits another longitudinally extending channels to hollow tubular inside body in vivo.Therefore, HDPE
The cross-sectional profiles of section (1a) with similar shown in Fig. 1 (2).First add ons (3a) include long 8mm in acetate fiber
The tobacco smoke filtration material cylindrical plag of cellulose fiber form, and it is positioned at the positive upstream of extrusion section (1a).Second add ons
(7a) include " active acetate fiber " sections in tobacco smoke filtration material cylindricality plug form, this tobacco smoke filtration material
Form is the cellulose acetate fibre including the particulate additives in activated carbon form.The long 10mm of second add ons (7a) and fixed
Position is in the upstream end (in the tobacco column that this end will be connected in finished product filtering type medicated cigarette) of filter.Filter sections (1a),
(3a) utilize basic weight 27g/m with (7a) by means as known in the art2Shaping packaging thing (4) link together.100g/
m2The outer wrapper (5) of shaping packaging thing be bonded on around longitudinal extension core (that is, element (7a), (3a) and (1a)) so that
This core of outer wrap completely；The downstream of outer wrapper (5) extends beyond the downstream of longitudinal extension core, and [and it is enclosed
Downstream components (1a) around engaging], to limit tubular cavity or the recess (6) of long 4mm in the downstream of filter.Outer packaging
Thing applies by means as known in the art.This obtains the recessed filter of overall length 27mm.
It will also be understood that, recess (6) and downstream components (1a) provide difficulty with the combining of downstream (mouth end) of section (2)
With the very distinctive end outward appearance forged, this section (2) include the passage of the upstream longitudinal extension in the downstream of core.
Fig. 3 shows " recessed CPA " filter end, and it is the example of the present invention.This filter includes：Longitudinal extension
(for example, cylindricality) core, it includes downstream core (8)；And it is located at the add ons (11) of the upstream of downstream core.Additional
Element (11) includes " active acetate fiber " sections of the long 15mm in tobacco smoke filtration material cylindricality plug form, tobacco smoke
The form of filtering material is the cellulose acetate fibre including the particulate additives in activated carbon form.Downstream core (8) includes
Longitudinal cylindrical plag of long 8mm, it includes being wrapped in including basic weight 80g/m2Shaping packaging thing the first interior packing thing (9)
In cellulose acetate fibre.Form the shaping packaging thing of interior packing thing (9) with depth about 0.45mm and pitch about 1.5mm
15 grooves are embossed in one part length.Plug is by interior packing thing (9) parcel so that it is held at its upstream is not embossed with
The region (" excellent region ") of the about 4mm length of type packing material surrounds, and is holding the remaining 4mm length of embossed molding packing material downstream
Region (" trench region ") surround；The embossed area (" trench region ") of the interior packing thing of shaping packaging thing downstream extends
The another 4mm in downstream beyond plug.Downstream core (8) and add ons (11) pass through weight 50g/m2In hard shaping packaging thing shape
The outer wrapper (12) of formula is combined together, the downstream of outer wrapper (12) also extend beyond its around the core engaging
The downstream 4mm in portion (8), to limit the tubular cavity of long 4mm in the downstream [together with interior packing thing (9)] of filter.Interior
The embossed area of portion's packing material (9) limit together with the outer wrapper (12) being bonded on around interior packing thing 15 grooves or
Passage, the upstream of its downstream in downstream core extends lengthwise in downstream core, and it is in the downstream of downstream core
Downstream extends lengthwise in cavity/recess area.It will be understood that, the hard outer wrapper (12) of shaping packaging thing and shaping packaging thing
The combination of embossing interior packing thing (9) form the rigid recess (10) of long 4mm, it carries by interior packing thing (9) and outward
The distinctive groove ends outward appearance that the embossed pattern of portion's packing material (12) limits.
Fig. 4 shows recessed CPA filter end, and it is the another example of the present invention.This filter includes：Longitudinal extension
(for example, cylindricality) core, it includes downstream core (8a)；And it is located at the add ons (11) of the upstream of downstream core.Attached
Canadian dollar part (1) includes " active acetate fiber " sections of the long 12mm in tobacco smoke filtration material cylindricality plug form, this Nicotiana tabacum L.
The form of smoke filtration material is the cellulose acetate fibre including the particulate additives in activated carbon form.Downstream core (8a)
Including longitudinal cylindrical plag of long 11mm, it includes being wrapped in including basic weight 80g/m2Shaping packaging thing the first interior packing
Cellulose acetate fibre in thing (9a).Formed interior packing thing (9a) shaping packaging thing with depth about 0.45mm and pitch about
15 grooves of 1.5mm are embossed in one part length.Plug is wrapped up by interior packing thing (9a), so that it is at its upstream
End is surrounded by the region (" excellent region ") of the about 5mm length of non-embossing molding packing material, and is holding embossed shaping packaging downstream
The region (" trench region ") of the remaining 6mm length of thing surrounds.Downstream core (8a) and add ons (11) pass through weight 100g/m2's
Outer wrapper (12a) in hard shaping packaging thing form is combined together；The downstream of outer wrapper (12) extends beyond
Its around engage downstream core (8a) downstream 4mm, with the downstream of filter limit long 4mm tubular cavity.
Interior packing thing (9a) limits 15 grooves or passage together with outer wrapper (2a), and it is upper the downstream of downstream core
Trip longitudinal extension, and be visible in the recess/cavity being formed by outer wrapper (12a).
It will be understood that, recess and the downstream core by the embossed pattern restriction of interior packing thing (9) and outer wrapper 12
(8a) groove ends outward appearance provides from the visible distinctive end in the end of filtering type medicated cigarette outward appearance.
It will be understood that, the above-mentioned filter including the recessed filter of multi-segmental can be manufactured by conventional meanses.It will be understood that, above-mentioned
Filter can be used for manufacturing filtering type medicated cigarette by conventional meanses.For example, the filter of the present invention can be wrapped tobacco rod
Combine, wherein one end of filter is towards Nicotiana tabacum L..For example, can assembled by ring type [its just (being wrapped) filter with
Engage around the abutting end of rod, and so that many filter packing materials is exposed] or (it is whole more preferably by spelling dress outer package
Engage around the abutting end of individual filter length and tobacco rod), thus filter is bound to being wrapped tobacco rod.Medicated cigarette can be wrapped
Include assembled outer package (for example, fighting recklessly dress paper) together with filter outer wrapper, to give to finished product recessed filter type medicated cigarette
Desired (for example, improving further) rigidity.
Claims (17)
1. a kind of tobacco smog filte r or filter element, including：
Longitudinal extension core, it includes tobacco smoke filtration material；
It is bonded on the outer wrapper around described longitudinal extension core；Wherein said longitudinal extension core is included in described core
The upstream longitudinal extension of downstream one or more passages, wherein：
A () described longitudinal extension core includes the hollow pipe of tobacco smoke filtration material, it is not in the whole length of described core
Upper extension；Or
B () described longitudinal extension core includes downstream components, described downstream components include longitudinally extending tube, its have substantially to
Inside extend to multiple flanks separating of longitudinal extension inside body, described flank betwixt limits multiple longitudinally extending channels；
Or
C () wherein, described longitudinal extension core includes：Downstream components, it is included under the longitudinal extension of tobacco smoke filtration material
Travel core portion；The the first ventilative interior packing thing being bonded on around described downstream core；Described first ventilative interior packing thing has
Profiled outer surface, it limits at least one longitudinally extending channels together with described outer wrapper, and it is in described downstream core
The upstream longitudinal extension of downstream and only extending along a part of length of described downstream core；
And wherein, the downstream of the downstream of described outer wrapper and/or described first ventilative interior packing thing extends and surpasses
Go out its around the described core engaging downstream, to limit empty sky in the downstream of described filter or filter element
Chamber.
2. tobacco smog filte r according to claim 1 or filter element are it is characterised in that described longitudinal extension core
Include one or more add ons in the upstream of described downstream components, one or more of add ons include tobacco smoke
Filtering material.
3. tobacco smog filte r according to claim 2 or filter element are it is characterised in that one or more of attached
Canadian dollar part includes the cellulose acetate filter material cylindrical plag of longitudinal extension.
4. tobacco smog filte r according to claim 2 or filter element are it is characterised in that one or more of attached
Canadian dollar part includes the cellulose acetate filter material cylindrical plag of longitudinal extension, and it also includes particulate additives.
5. filter according to claim 1 or filter element are it is characterised in that described outer wrapper is paper.
6. filter according to claim 1 or filter element are it is characterised in that described outer wrapper is to have from 40
To 120g/m2Basic weight paper.
7. a kind of tobacco smog filte r or filter element, including：Longitudinal extension core, it includes tobacco smoke filtration material；
And outer wrapper, it is bonded on around described longitudinal extension core；
Wherein, described longitudinal extension core includes downstream components, and described downstream components include longitudinally extending tube, its have substantially to
Inside extend to multiple flanks separating of longitudinal extension inside body, described flank betwixt limits multiple longitudinally extending channels；
And wherein, the downstream of described outer wrapper extend beyond its around engage described core downstream, with
Limit empty cavity in the downstream of described filter or filter element.
8. tobacco smog filte r according to claim 7 or filter element are it is characterised in that described inside body is tool
There is the hollow inside body of the one or more inwalls limiting another longitudinally extending channels.
9. the tobacco smog filte r according to claim 7 or 8 or filter element are it is characterised in that described downstream components
It is formed integrally as discrete component.
10. the tobacco smog filte r according to claim 7 or 8 or filter element are it is characterised in that described downstream components
Formed by extrusion.
A kind of 11. tobacco smog filte rs or filter element, including：Longitudinal extension core, it includes tobacco smoke filtration material；
And outer wrapper, it is bonded on around described longitudinal extension core；
Wherein, described longitudinal extension core includes：Downstream components, it includes travel core under the longitudinal extension of tobacco smoke filtration material
Portion；The the first ventilative interior packing thing being bonded on around described downstream core；Described first ventilative interior packing thing has abnormal shape
Outer surface, it limits at least one longitudinally extending channels together with described outer wrapper, and it is in the downstream of described downstream core
The upstream longitudinal extension at end and only extending along a part of length of described downstream core；
And wherein, the downstream of the downstream of described outer wrapper and/or described first ventilative interior packing thing extends and surpasses
Go out its around the described core engaging downstream, to limit empty sky in the downstream of described filter or filter element
Chamber.
12. tobacco smog filte rs according to claim 11 or filter element are it is characterised in that described first is ventilative interior
Portion's packing material is bonded on around described core, wherein said profiled outer surface in the face of described outer wrapper, with described outside
Packing material limits one or more of longitudinally extending channels together.
A kind of 13. tobacco smog filte rs or filter element, including：Longitudinal extension core, it includes tobacco smoke filtration material；
And it is bonded on the outer wrapper around described longitudinal extension core；Wherein said longitudinal extension core is included in described core
The upstream longitudinal extension of downstream one or more passages；And wherein, the downstream of described outer wrapper extends and surpasses
Go out its around the described core engaging downstream, to limit empty sky in the downstream of described filter or filter element
Chamber, wherein said longitudinal extension core includes the hollow pipe of tobacco smoke filtration material, and this hollow pipe is not whole in described core
Extend in individual length.
A kind of 14. filtering type medicated cigarettes, including the filter according to the aforementioned claim of any one or filter element, this filtration
Device or filter element are bound to wrapped tobacco rod, and the first end of wherein said core is towards described Nicotiana tabacum L..
A kind of 15. multiple rods, including multiple filters according to any one of claim 1 to 13 or filter element, should
Filter or filter element with mirror image relationship end-to-end joined integrally.
A kind of 16. tobacco smog filte rs or filter element, including：
Longitudinal extension core, it includes tobacco smoke filtration material；With
Outer wrapper, it is bonded on around described longitudinal extension core；
Wherein said longitudinal extension core includes：The hollow pipe of tobacco smoke filtration material, it is limited to the downstream of described core
The passage that the upstream at end extends；And one or more add ons, it includes tobacco smoke filtration material；
And wherein, the downstream of the downstream of described outer wrapper and/or the first interior packing thing extends beyond it and is enclosed
Around the downstream of the described core engaging, to limit empty cavity in the downstream of described filter or filter element.
A kind of 17. tobacco smog filte rs or filter element, including：Longitudinal extension core, it includes tobacco smoke filtration material；
And outer wrapper, it is bonded on around described longitudinal extension core；
Wherein, described longitudinal extension core includes：Downstream components, it includes travel core under the longitudinal extension of tobacco smoke filtration material
Portion；The the first ventilative interior packing thing being bonded on around described downstream core；And it is bonded on the described first ventilative interior packing
The second interior packing thing around thing；Described first ventilative interior packing thing has profiled outer surface, its with described second inside
Packing material or described outer wrapper limit at least one longitudinally extending channels together, and it is in the downstream of described downstream core
Upstream longitudinal extension and only extending along a part of length of described downstream core；
And wherein, the downstream of the downstream of described outer wrapper and/or described first ventilative interior packing thing extends and surpasses
Go out its around the described core engaging downstream, to limit empty cavity in the downstream of described filter.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB1104475.7A GB201104475D0 (en) | 2011-03-16 | 2011-03-16 | Tobacco smoke filter |
| GB1104475.7 | 2011-03-16 | ||
| PCT/GB2012/000243 WO2012123702A1 (en) | 2011-03-16 | 2012-03-14 | Tobacco smoke filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103476278A CN103476278A (en) | 2013-12-25 |
| CN103476278B true CN103476278B (en) | 2017-02-08 |
Family
ID=43981099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280013432.5A Active CN103476278B (en) | 2011-03-16 | 2012-03-14 | Tobacco smoke filter |
Country Status (12)
| Country | Link |
|---|---|
| EP (2) | EP3912484A1 (en) |
| JP (1) | JP6042829B2 (en) |
| KR (4) | KR20140009385A (en) |
| CN (1) | CN103476278B (en) |
| GB (1) | GB201104475D0 (en) |
| HU (1) | HUE056846T2 (en) |
| LT (1) | LT2685849T (en) |
| PL (1) | PL2685849T3 (en) |
| RU (1) | RU2594557C2 (en) |
| TW (1) | TW201240615A (en) |
| UA (1) | UA112313C2 (en) |
| WO (1) | WO2012123702A1 (en) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201213786D0 (en) * | 2012-08-01 | 2012-09-12 | Filtrona Filter Prod Dev Co | Tobacco smoke filter |
| GB201219540D0 (en) | 2012-10-31 | 2012-12-12 | British American Tobacco Co | A filter for a smoking article |
| US10925311B2 (en) * | 2012-12-31 | 2021-02-23 | Philip Morris Products S.A. | Smoking article including flow restrictor |
| KR102104738B1 (en) | 2013-11-21 | 2020-04-24 | 니뽄 다바코 산교 가부시키가이샤 | Cigarette |
| JP6615107B2 (en) | 2014-02-24 | 2019-12-04 | フィリップ・モーリス・プロダクツ・ソシエテ・アノニム | Filter with improved hardness and filtration efficiency |
| GB201407642D0 (en) | 2014-04-30 | 2014-06-11 | British American Tobacco Co | Aerosol-cooling element and arrangements for apparatus for heating a smokable material |
| KR102395956B1 (en) * | 2014-06-20 | 2022-05-10 | 필립모리스 프로덕츠 에스.에이. | Nicotine powder delivery system with airflow management means |
| GB201503389D0 (en) * | 2015-02-27 | 2015-04-15 | British American Tobacco Co | A smoking article and filter unit therefor |
| TW201635927A (en) * | 2015-03-27 | 2016-10-16 | 菲利浦莫里斯製品股份有限公司 | Smoking article with a mouth end cavity and ventilation |
| US9842868B2 (en) | 2015-10-26 | 2017-12-12 | Sensors Unlimited, Inc. | Quantum efficiency (QE) restricted infrared focal plane arrays |
| TW201731397A (en) * | 2016-02-29 | 2017-09-16 | 菲利浦莫里斯製品股份有限公司 | Smoking article having filter with hollow tube segment |
| KR102434742B1 (en) * | 2016-09-29 | 2022-08-22 | 필립모리스 프로덕츠 에스.에이. | Aerosol-generating article having a modified tipping wrapper provided with a removable tipping wrapper portion |
| RU2732869C1 (en) | 2016-12-16 | 2020-09-24 | Кей Ти Энд Джи Корпорейшн | Aerosol generation device and method |
| EP3984393A1 (en) | 2017-04-11 | 2022-04-20 | KT&G Corporation | Aerosol generating device and method for providing adaptive feedback through puff recognition |
| US11622582B2 (en) | 2017-04-11 | 2023-04-11 | Kt&G Corporation | Aerosol generating device and method for providing adaptive feedback through puff recognition |
| US11432593B2 (en) | 2017-04-11 | 2022-09-06 | Kt&G Corporation | Device for cleaning smoking member, and smoking member system |
| KR20180114825A (en) | 2017-04-11 | 2018-10-19 | 주식회사 케이티앤지 | Method and apparatus for controlling electronic cigarettes |
| JP7180947B2 (en) | 2017-04-11 | 2022-11-30 | ケーティー アンド ジー コーポレイション | AEROSOL GENERATING DEVICES AND METHODS OF PROVIDING SMOKING RESTRICTION FEATURES IN AEROSOL GENERATING DEVICES |
| US11252999B2 (en) | 2017-04-11 | 2022-02-22 | Kt&G Corporation | Aerosol generating device |
| JP7082140B2 (en) | 2017-04-11 | 2022-06-07 | ケーティー アンド ジー コーポレイション | Aerosol generation devices and methods that provide adaptive feedback via puff recognition |
| KR102035313B1 (en) | 2017-05-26 | 2019-10-22 | 주식회사 케이티앤지 | Heater assembly and aerosol generating apparatus having the same |
| WO2019031877A2 (en) | 2017-08-09 | 2019-02-14 | 주식회사 케이티앤지 | Aerosol generation device and control method for aerosol generation device |
| JP6940218B2 (en) | 2017-08-09 | 2021-09-22 | ケーティー・アンド・ジー・コーポレーション | Electronic cigarette control method and equipment |
| EP3997993A1 (en) | 2017-09-06 | 2022-05-18 | KT&G Corporation | Aerosol generation device |
| KR20200125606A (en) * | 2018-03-08 | 2020-11-04 | 필립모리스 프로덕츠 에스.에이. | Aerosol-generating article |
| KR102414658B1 (en) * | 2018-07-05 | 2022-06-29 | 주식회사 케이티앤지 | Cigarrets |
| GB202116870D0 (en) * | 2021-11-23 | 2022-01-05 | Essentra Filter Products Dev Co Pte Ltd | Paper filter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3396733A (en) * | 1966-03-23 | 1968-08-13 | Lorillard Co P | Cigarette tip |
| US4574820A (en) * | 1983-04-07 | 1986-03-11 | Gallaher Limited | Buccal end device for a smoking rod |
| US4580584A (en) * | 1984-02-21 | 1986-04-08 | Brown & Williamson Tobacco Corporation | Cigarette filter |
| US4583560A (en) * | 1982-07-07 | 1986-04-22 | Mitsubishi Acetate Co., Ltd | Tobacco smoke filter |
| US4708150A (en) * | 1986-08-25 | 1987-11-24 | Brown & Williamson Tobacco Corporation | Cigarette filter |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB864247A (en) * | 1958-04-16 | 1961-03-29 | Olin Mathieson | Improvements in or relating to cigarettes |
| SE312697B (en) * | 1966-01-10 | 1969-07-21 | Lorillard Co P | |
| GB2135168A (en) * | 1983-02-16 | 1984-08-30 | Tabac Fab Reunies Sa | Cigarette filter |
| US4506683A (en) | 1983-05-09 | 1985-03-26 | Brown & Williamson Tobacco Corporation | Ventilated mouthpiece for a smoking article |
| US4611607A (en) * | 1984-02-21 | 1986-09-16 | Brown & Williamson Tobacco Corporation | Cigarette filter |
| GB9121782D0 (en) | 1991-10-14 | 1991-11-27 | Cigarette Components Ltd | Cigarette filter containing particulate smoke modifying additive |
| US7243659B1 (en) | 2000-07-12 | 2007-07-17 | Philip Morris Usa Inc. | Recess filter and smokeable article containing a recess filter |
| GB0426615D0 (en) | 2004-12-03 | 2005-01-05 | Filtrona Suisse Sa | Tobacco smoke filter |
| WO2007135414A1 (en) | 2006-05-22 | 2007-11-29 | Filtrona International Limited | Tobacco smoke filter |
-
2011
- 2011-03-16 GB GBGB1104475.7A patent/GB201104475D0/en not_active Ceased
-
2012
- 2012-03-14 UA UAA201312079A patent/UA112313C2/en unknown
- 2012-03-14 CN CN201280013432.5A patent/CN103476278B/en active Active
- 2012-03-14 KR KR1020137024747A patent/KR20140009385A/en not_active Application Discontinuation
- 2012-03-14 EP EP21185660.4A patent/EP3912484A1/en active Pending
- 2012-03-14 EP EP12712141.6A patent/EP2685849B1/en active Active
- 2012-03-14 KR KR1020227042708A patent/KR102646129B1/en active IP Right Grant
- 2012-03-14 WO PCT/GB2012/000243 patent/WO2012123702A1/en active Application Filing
- 2012-03-14 JP JP2013558494A patent/JP6042829B2/en active Active
- 2012-03-14 LT LTEPPCT/GB2012/000243T patent/LT2685849T/en unknown
- 2012-03-14 KR KR1020217011912A patent/KR20210046864A/en active Application Filing
- 2012-03-14 PL PL12712141T patent/PL2685849T3/en unknown
- 2012-03-14 TW TW101108604A patent/TW201240615A/en unknown
- 2012-03-14 RU RU2013143885/12A patent/RU2594557C2/en active
- 2012-03-14 KR KR1020197015798A patent/KR102245417B1/en active IP Right Grant
- 2012-03-14 HU HUE12712141A patent/HUE056846T2/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3396733A (en) * | 1966-03-23 | 1968-08-13 | Lorillard Co P | Cigarette tip |
| US4583560A (en) * | 1982-07-07 | 1986-04-22 | Mitsubishi Acetate Co., Ltd | Tobacco smoke filter |
| US4574820A (en) * | 1983-04-07 | 1986-03-11 | Gallaher Limited | Buccal end device for a smoking rod |
| US4580584A (en) * | 1984-02-21 | 1986-04-08 | Brown & Williamson Tobacco Corporation | Cigarette filter |
| US4708150A (en) * | 1986-08-25 | 1987-11-24 | Brown & Williamson Tobacco Corporation | Cigarette filter |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201240615A (en) | 2012-10-16 |
| RU2013143885A (en) | 2015-04-27 |
| UA112313C2 (en) | 2016-08-25 |
| KR20140009385A (en) | 2014-01-22 |
| PL2685849T3 (en) | 2022-01-10 |
| JP6042829B2 (en) | 2016-12-14 |
| LT2685849T (en) | 2021-11-10 |
| GB201104475D0 (en) | 2011-04-27 |
| JP2014507957A (en) | 2014-04-03 |
| KR20210046864A (en) | 2021-04-28 |
| KR102646129B1 (en) | 2024-03-08 |
| EP3912484A1 (en) | 2021-11-24 |
| KR102245417B1 (en) | 2021-04-27 |
| KR20230003270A (en) | 2023-01-05 |
| EP2685849A1 (en) | 2014-01-22 |
| HUE056846T2 (en) | 2022-03-28 |
| KR20190066082A (en) | 2019-06-12 |
| WO2012123702A8 (en) | 2013-09-12 |
| CN103476278A (en) | 2013-12-25 |
| EP2685849B1 (en) | 2021-08-11 |
| RU2594557C2 (en) | 2016-08-20 |
| WO2012123702A1 (en) | 2012-09-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103476278B (en) | Tobacco smoke filter | |
| EP2879532B1 (en) | Tobacco smoke filter | |
| KR102358588B1 (en) | Tobacco smoke filter | |
| JP5607544B2 (en) | Cigarette smoke filter | |
| CN103281919B (en) | Cigarette filter | |
| CA2801373C (en) | Tobacco smoke filter | |
| US20130239984A1 (en) | Tobacco smoke filter | |
| WO2017021422A1 (en) | Tobacco smoke filter | |
| CN105476064A (en) | Tobacco smoke filter | |
| TW201924548A (en) | Tobacco smoke filter | |
| EP0777425B1 (en) | Concentric core filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |