CN105451581A

CN105451581A - Smoking article comprising a combustible heat source with at least one airflow channel

Info

Publication number: CN105451581A
Application number: CN201480041299.3A
Authority: CN
Inventors: L·E·波格; O·米洛诺夫; S·鲁迪耶
Original assignee: Philip Morris Products SA
Current assignee: Philip Morris Products SA
Priority date: 2013-08-13
Filing date: 2014-08-12
Publication date: 2016-03-30
Also published as: IL242332B; PH12015502488A1; TWI657751B; CN113142656A; KR20160041896A; TW201511693A; MX367874B; EP3032973A1; MX2016001964A; AU2014307960B2; MY185779A; PL3032973T3; AR097313A1; EP3032973B1; UA118677C2; SG11201600976TA; RU2016108787A; ES2645727T3; KR102500004B1; JP6580043B2

Abstract

A smoking article (2, 34, 38, 42, 44, 48) comprises: a combustible heat source (4) having opposed front (6) and rear faces (8); one or more airflow channels (18) extending from the front face (6) to the rear face (8) of the combustible heat source (4); an aerosol-forming substrate (10) downstream of the rear face (8) of the combustible heat source (4); a mouthpiece (14) downstream of the aerosol-forming substrate (10); and one or more air inlets (32, 36) located downstream of the rear face (8) of the combustible heat source (4) and upstream of the mouthpiece (14). The one or more air inlets (32, 36) are located between the rear face (8) of the combustible heat source (4) and a downstream end of the aerosol-forming substrate (10). In use, air drawn through the aerosol-forming substrate (10) enters the smoking article (2, 34, 38, 42, 44, 48) through the one or more airflow channels (18) and the one or more air inlets (32, 36) and at least some of the air drawn through the aerosol-forming substrate (10) comes into direct contact with a combustible portion of the combustible heat source (4).

Description

Comprise the smoking product of the combustible heat source with at least one gas channel

Technical field

The present invention relates to and comprise the smoking product that combustible heat source and at least one gas channel and aerosol form matrix, described combustible heat source has relative front and back, and described aerosol forms the Later downstream of matrix in combustible heat source.

Background technology

This area proposed tobacco wherein by heating on-fuel multiple smoking product.The object of this ' heating ' smoking product is the harmful smoke components of the known type that the burning of the tobacco be reduced by conventional cigarette and thermal degradation produce.In a kind of smoking product of heating of known type, produce aerosol by the heat trnasfer forming matrix from combustible heat source to aerosol.Aerosol forms matrix and can be positioned at around combustible heat source, combustible heat source or combustible heat source downstream.During smoking, volatile compound forms matrix release by the heat trnasfer from combustible heat source from aerosol and is entrained in and is drawn through the air of smoking product.Along with the cooling of discharged compound, compound condensation is to form the aerosol sucked by user.Usually, make air be inhaled in the smoking product of this known heating by the one or more gas channels arranged through combustible heat source, realize by forced convertion and conduction the heat trnasfer forming matrix from combustible heat source to aerosol.

Such as, WO-A2-2009/022232 discloses smoking product, it comprises combustible heat source, the aerosol in combustible heat source downstream forms matrix and around and directly the rear portion of contact combustible heat source and aerosol form the heat-conduction component of the adjacent front portion of matrix.The forced convertion heating forming matrix to provide the aerosol of controlled quentity controlled variable, provides at least one longitudinal air flow path through combustible heat source.

In the smoking product of known heating, the heat trnasfer wherein forming matrix from combustible heat source to aerosol occurs mainly through forced convertion, and the temperature that this forced convertion heat trnasfer and aerosol are thus formed in matrix can be aspirated (puffing) action according to the single port of user and sizable change occur.Therefore, the main flow aerosol generated by the smoking product of this known heating form and organoleptic attribute thus can be adversely super-sensitive for the single port aspiration phases of user.

In addition, in the smoking product of known heating comprising the one or more gas channels along combustible heat source, during being aspirated by user's single port, be drawn through the air of one or more gas channel and contact with direct between combustible heat source and cause exciting of the burning of combustible heat source.Therefore strong single port aspiration phases can cause sufficiently high forced convertion heat trnasfer, with uprush (spike) that cause aerosol to form the temperature of matrix, thus adversely causes aerosol to form the pyrolysis of matrix and even potential partial combustion.As used herein, term ' is uprushed ' and is formed the of short duration rising of the temperature of matrix for describing aerosol.Therefore, the specific single port aspiration phases that the less desirable pyrolysis in the main flow aerosol produced at the smoking product of this known heating and the level of combustion by-products may also be taked according to user and adversely marked change.

US4,714,082 discloses and comprises combustible fuel elements, the filter-tip smoking product of aerosol Core Generator and mouth end.In the embodiment shown in Fig. 1,3,4,6,7,8 and 9, combustible fuel elements 10 comprises one or more hole 16 extending longitudinally.In these embodiments, there is not the air intake below and between the downstream end of aerosol Core Generator 12 in combustible fuel elements 10.In embodiment in fig. 2, aerosol Core Generator 12 comprises heat-staple containing carbon matrix 28, and combustible fuel elements 24 is connected to aerosol Core Generator 12 by heat conducting bar 26 and paper tinsel liner paper tube 14.This embodiment is included in the void space 30 between combustible fuel elements 10 and matrix 28, and a part for the paper tinsel internal lining pipe 14 in surrounding gap space 30 comprises multiple periphery hole 32, and it allows enough air to enter this void space to provide suitable Pressure Drop.In this embodiment, combustible fuel elements 24 does not comprise any hole 16 extending longitudinally.

The combustible heat source of the known smoking product in heating comprises additive, to improve lighting and combustion characteristics of combustible heat source.But, comprise lighting and can produce decomposition and product with combustion additive, during use, described decomposition and product adversely can enter the air being drawn through one or more gas channels that the combustible heat source along the smoking product of this known heating provides.

In order to promote that aerosol is formed, the aerosol of the smoking product of heating forms matrix and usually comprises polyhydric alcohols as glycerine or other known aerosol agents.During storage and smoking, this type of aerosol agents can form matrix from the aerosol of the smoking product of known heating and move to its combustible heat source.The migration of the combustible heat source of the smoking product of the heating that aerosol agents is extremely known adversely can cause the decomposition of aerosol agents, particularly during the smoking of the smoking product of heating.

There are the needs of the smoking product to the heating comprising combustible heat source and aerosol formation matrix, described combustible heat source has relative front and back, described aerosol forms the Later downstream of matrix in combustible heat source, and wherein aerosol forms uprushing of the temperature of matrix and to be avoided under strong single port aspiration phases.Especially, there are the needs of the smoking product to the heating comprising combustible heat source and aerosol formation matrix, described combustible heat source has relative front and back, described aerosol forms the Later downstream of matrix in combustible heat source, and burning or pyrolysis that aerosol forms matrix wherein substantially do not occur under strong single port aspiration phases.

Summary of the invention

According to the invention provides smoking product, it comprises: the combustible heat source with relative front and back; One or more gas channels are below extended to before combustible heat source; Matrix is formed at the aerosol of the Later downstream of combustible heat source; The cigarette holder in matrix downstream is formed at aerosol; And be positioned at the Later downstream of combustible heat source and one or more air intakes of cigarette holder upstream.One or more air intake is after combustible heat source and between the downstream end of aerosol formation matrix.In use, the air being drawn through aerosol formation matrix enters smoking product by one or more gas channel and one or more air intake, and at least some be drawn through in the air of aerosol formation matrix directly contacts with the combustible constituent of combustible heat source.

As used herein, term ' aerosol formation matrix ' release can form the matrix of the volatile compound of aerosol when heating for describing.The aerosol forming matrix generation from the aerosol of smoking product according to the present invention can be visible or sightless, and steam can be comprised (such as, be in the thin particulate matter of gaseous state, it is at room temperature liquid or solid usually) and the drop of gas and condensed steam.

Aerosol forms the form that matrix can take profiled member or the section limited by packing material, and described profiled member or section comprise and release can form the material of the volatile compound of aerosol when heating.When aerosol formation matrix takes the form of this type of profiled member or section, the whole profiled member or the section that comprise packing material are considered as aerosol formation matrix.

As used herein, term ' far ', ' upstream ' and ' front ', and the relative position in direction that ' closely ', ' downstream ' and ' afterwards ' are aspirated about user for each several part of each parts or parts that describe smoking product between the operating period of smoking product on smoking product.Smoking product according to the present invention comprises near-end, in use, leaves smoking product for delivery to user by this near-end aerosol.The near-end of smoking product also can be called as mouth end.In use, user aspirates on the near-end of smoking product, to suck the aerosol generated by smoking product.

Combustible heat source is positioned at far-end or close to far-end.Cigarette holder is positioned at proximal end.Mouth end is at distal downstream.Near-end also can be called as the downstream end of smoking product, and far-end also can be called as the upstream end thereof of smoking product.Based on the relative position between its near-end at smoking product and far-end, can be described as in upstream each other or downstream according to each parts of smoking product of the present invention or each several part of parts.

At the upstream end thereof place of combustible heat source before combustible heat source.The upstream end thereof of combustible heat source is the end of combustible heat source farthest away from the near-end of smoking product.At the downstream end place of combustible heat source after combustible heat source.The downstream end of combustible heat source is the end of combustible heat source closest to the near-end of smoking product.

As used herein, the full-size of term ' length ' on the longitudinal direction being described in smoking product.That is, the full-size on the direction between the near-end and relative far-end of smoking product.

As used herein, the passage that term ' gas channel ' extends for the length described along combustible heat source, air can be used for being sucked by user by by the suction of this channel downstream.

As used herein, term ' directly contact ' is for describing the contact between at least some in the surface of the combustible constituent of combustible heat source and air, described air enters smoking product by one or more gas channel and one or more air intake, and is drawn through aerosol formation matrix.

Smoking product according to the present invention comprises the combustible heat source do not closed.As used herein, term ' is not closed ' for describing the combustible heat source comprising at least one gas channel.

One or more gas channel can comprise one or more airtight gas channel.

As used herein, term ' airtight ' is for describing the inside extending through combustible heat source and the gas channel surrounded by combustible heat source.

Alternately or additionally, one or more gas channel can comprise one or more unsealed gas channel.Such as, one or more air flow path can comprise the one or more groove or other unsealed gas channels that the outside along combustible heat source extends.

One or more gas channel can comprise one or more airtight gas channel or one or more unsealed gas channel or its and combine.

In certain embodiments, smoking product according to the present invention comprises one, two or three gas channels extending to before combustible heat source below.

In a preferred embodiment, smoking product according to the present invention comprises the single gas channel extended to before combustible heat source below.

In the especially preferred embodiments, smoking product according to the present invention comprises the single center substantially or axial flow passage that to extend to before combustible heat source below.

In this type of embodiment, the diameter of single gas channel is preferably about 1.5mm to about 3mm.

Be to be understood that except air is sucked except the one or more gas channels for user's suction by it, also can comprise one or more path closed or block according to the combustible heat source of smoking product of the present invention, air is not sucked for being sucked by user by the path closed or block.

Such as, can comprise combustible heat source according to smoking product of the present invention, this combustible heat source comprises the one or more gas channel extended to before combustible heat source below and the one or more closed access extending an only part before combustible heat source along the length of combustible heat source.

Comprise the surface area being exposed to the oxygen from air that one or more occluded air path increases combustible heat source, and advantageously can be convenient to lighting and sustained combustion of combustible heat source.

Smoking product according to the present invention comprises one or more air intake, and it is positioned at the Later downstream of combustible heat source and the upstream of cigarette holder.

As used herein, term ' air intake ' to be sucked into hole in smoking product, slit, groove or other apertures for describing air by it.

One or more air intake is after combustible heat source and between the downstream end of aerosol formation matrix.One or more air intake does not comprise any air intake between the downstream end and the upstream end thereof of cigarette holder of aerosol formation matrix.In other words, any air intake between the downstream and the upstream of cigarette holder of aerosol formation matrix is not comprised according to smoking product of the present invention.

The quantity of air intake, shape, size and position can be suitably adapted to obtain good smoking performance.

In use, the air being drawn through the aerosol formation matrix of smoking product enters smoking product by one or more gas channel and one or more air intake.The air be sucked by smoking product to downstream through cigarette holder, and leave smoking product by its near-end.

In use, at least some be drawn through in the air of aerosol formation matrix directly contacts with the combustible constituent of combustible heat source.

The aerosol being drawn through smoking product being entered smoking product by one or more gas channel forms the air of matrix through one or more gas channel, directly can contact with the combustible constituent of combustible heat source.

Alternately or additionally, the aerosol being drawn through smoking product entering smoking product by one or more gas channel formed matrix air can with directly the contacting below of combustible heat source.In this type of embodiment, the air being drawn through the aerosol formation matrix of smoking product being entered smoking product by one or more air intake also directly can be contacted with after combustible heat source.

In smoking product according to the present invention, aerosol forms being heated by of matrix and conducts and forced convertion generation.

During being aspirated by user's single port, advantageously reduce by the cold air be sucked at the one or more air intakes below and between aerosol formation matrix of combustible heat source the temperature forming matrix according to the aerosol of smoking product of the present invention.This advantageously substantially stops or prevents during being aspirated by user's single port, and the aerosol according to smoking product of the present invention forms uprushing of the temperature of matrix.

As used herein, not by surrounding air that combustible heat source heats significantly when term ' cold air ' is aspirated by user's single port for being described in.

By stoping or preventing aerosol from forming the uprushing of temperature of matrix, combustible heat source below and aerosol form matrix downstream end between comprise one or more air intake and advantageously help to avoid or alleviate and form the burning of matrix under strong single port aspiration phases or pyrolysis according to the aerosol of smoking product of the present invention.In addition, after combustible heat source and between the downstream end of aerosol formation matrix, the impact of single port aspiration phases for the composition of the main flow aerosol of smoking product according to the present invention that one or more air intake advantageously helps to minimize or alleviate user is comprised.

One or more air intake can comprise one or more first entrances forming matrix periphery around aerosol, and air is sucked into aerosol by described one or more first entrance and forms Medium Culture.In this type of embodiment, in use, the aerosol that cold air is sucked into smoking product by the first air intake forms Medium Culture.Be sucked into aerosol by the first air intake and form intramatrical air by smoking product, form matrix from aerosol and pass through cigarette holder to downstream, and leave smoking product by its near-end.

During being aspirated by user's single port, advantageously reduce by the cold air of the one or more first entrance suctions forming matrix periphery around aerosol the temperature forming matrix according to the aerosol of smoking product of the present invention.This advantageously substantially stops or prevents during being aspirated by user's single port, and the aerosol according to smoking product of the present invention forms uprushing of the temperature of matrix.

In some preferred embodiment, one or more first air intake location form the downstream end of matrix close to aerosol.

In certain embodiments, aerosol forms matrix and can adjoin after combustible heat source, or combustible heat source below on non-flammable air-locked first barrier coat substantially of providing.

As used herein, term ' adjoin ' for describe aerosol formed matrix directly to contact after combustible heat source or combustible heat source below on non-flammable air-locked first barrier coat substantially of providing.

In other embodiments, aerosol form matrix can spaced apart below with combustible heat source.That is, aerosol formed matrix and combustible heat source below between can Existential Space or gap.

In this type of embodiment, one or more air intake can be included in one or more second air intakes below and between aerosol formation matrix of combustible heat source.In use, cold air is sucked in the space between combustible heat source and aerosol formation matrix by the second air intake.Be sucked into air in space that combustible heat source and aerosol form between matrix through smoking product by the second air intake, cigarette holder is passed through to downstream in the space formed between matrix from combustible heat source and aerosol, and leaves smoking product by its near-end.

During being aspirated by user's single port, advantageously reduce by the cold air of the one or more second entrances suctions below and between aerosol formation matrix of combustible heat source the temperature forming matrix according to the aerosol of smoking product of the present invention.This advantageously substantially stops or prevents during being aspirated by user's single port, and the aerosol according to smoking product of the present invention forms uprushing of the temperature of matrix.

Be to be understood that can to comprise according to smoking product of the present invention and form one or more first air intakes of matrix periphery around aerosol, or one or more second air intakes after combustible heat source and between aerosol formation matrix, or form the combination of one or more first air intake of matrix periphery and one or more second air intakes below and between aerosol formation matrix in combustible heat source around aerosol.

(i) non-flammable air-locked first block piece substantially below and between aerosol formation matrix in combustible heat source also can be comprised according to smoking product of the present invention, or (ii) non-flammable air-locked second block piece substantially between combustible heat source and one or more gas channel.

Be to be understood that according to smoking product of the present invention can not comprise (i) combustible heat source below and aerosol form non-flammable air-locked first block piece substantially between matrix and (ii) non-flammable air-locked second block piece substantially between combustible heat source and one or more gas channel.

As used herein, term ' non-combustible ' is for being described in burning and the non-flammable block piece substantially under lighting the temperature that reached by combustible heat source of period of combustible heat source.

When smoking product according to the present invention also comprises (i) after combustible heat source and when aerosol forms non-flammable air-locked first block piece substantially between matrix, the air being drawn through aerosol formation matrix being entered smoking product by one or more gas channel and one or more air intake with after combustible heat source is not directly contacted.But in this type of embodiment, the aerosol that is drawn through being entered smoking product by one or more gas channel forms the air of matrix through one or more gas channel, does not directly contact with the combustible constituent of combustible heat source.

In this type of embodiment, the first block piece allows the air downstream being entered smoking product by one or more gas channel to be drawn through smoking product.

First block piece can adjoin combustible heat source below and one of aerosol formation matrix or both.Alternately, the first block piece can form one of matrix and cigarette holder with aerosol or separate between the two.

First block piece can bond or be otherwise fixed to combustible heat source below and one of aerosol formation matrix or both.

In some preferred embodiment, the first block piece comprise be arranged on combustible heat source below on non-flammable air-locked first barrier coat substantially.In this type of embodiment, preferably the first block piece comprise be arranged on combustible heat source at least substantially whole below on the first barrier coat.More preferably, the first block piece comprise be arranged on combustible heat source whole below on the first barrier coat.

In this type of embodiment, the first barrier coat allows air downstream to be drawn through the one or more gas channels extended to before combustible heat source below.

As used herein, term ' coating ' is for describing the material layer covering and be bonded to combustible heat source.

First block piece advantageously can limit aerosol and form the temperature of lighting and between main combustion period exposing of matrix in combustible heat source, and therefore helps to avoid or alleviate thermal degradation or the burning that aerosol forms matrix between the operating period of smoking product.This is particularly advantageous when combustible heat source comprises one or more additives to help the lighting of combustible heat source.

Combustible heat source below and aerosol formed and comprise non-flammable air-locked first block piece substantially between matrix and also can advantageously substantially prevent or stop the lay up period at smoking product, form the components migrate of matrix to combustible heat source according to the aerosol of smoking product of the present invention.

Alternately or additionally, combustible heat source below and aerosol formed and comprise non-flammable air-locked first block piece substantially between matrix and advantageously substantially can prevent or stop between the operating period of smoking product, form the components migrate of matrix to combustible heat source according to the aerosol of smoking product of the present invention.

When aerosol formed matrix comprise at least one aerosol agents time, combustible heat source below and aerosol formed and comprise non-flammable air-locked first block piece substantially between matrix and can be particularly advantageous.

In this type of embodiment, combustible heat source below and aerosol formed and comprise non-flammable air-locked first block piece substantially between matrix and can advantageously prevent or stop in the storage of smoking product with between the operating period, at least one aerosol agents forms matrix from aerosol and migrates to combustible heat source.Between the operating period of smoking product, therefore the decomposition of at least one aerosol agents can advantageously substantially be avoided or be reduced.

Characteristic sum performance needed for smoking product, the first block piece can have low heat conductivity or high thermal conductivity.In certain embodiments, first block piece can be formed by following material, this material has that transient state flat heat source (MTPS) method revised as used measures, 23 DEG C and 50% relative humidity under the bulk thermal conductivity of about 0.1 watt of every meter of degree Kelvin (W/ (mK)) extremely about 200 watts of every meter of degree Kelvins (W/ (mK)).

The thickness of the first block piece can be suitably adjusted to obtain good smoking performance.In certain embodiments, the first block piece can have the thickness of about 10 microns to about 500 microns.

First block piece can be formed by one or more suitable materials, described material at the temperature of lighting and obtained by combustible heat source between main combustion period for substantially heat-staple and non-flammable.Suitable material is known in the art, and includes but not limited to clay (such as bentonite and kaolinite), glass, mineral matter, ceramic material, resin, metal and combination thereof.

The preferred material that can form the first block piece comprises clay and glass.The preferred material that can form the first block piece comprises copper, aluminium, stainless steel, alloy, aluminium oxide (Al ₂o ₃), resin and mineral rubber.

In some preferred embodiment, the first block piece comprise be arranged at combustible heat source below on clay coating, described clay coating comprises bentonite and kaolinic 50/50 mixture.In other preferred embodiments, the first block piece comprise be arranged at combustible heat source below on glass coating, more preferably sintered glass coating.

In some particularly preferred embodiment, the first block piece comprise be arranged at combustible heat source below on aluminized coating.

Preferably, the first block piece has the thickness at least about 10 microns.

Due to the slight gas permeability of clay, wherein the first block piece comprise be arranged at combustible heat source below on clay coating embodiment in, clay coating more preferably has the thickness at least about 50 microns, most preferably from about 50 micron to about 350 microns.

In the embodiment that first block piece is formed by more air-locked one or more materials (such as aluminium) wherein, the first block piece can be thinner, and usually preferably have the thickness being less than about 100 microns, being more preferably about 20 microns.

Wherein the first block piece comprise be arranged at combustible heat source below on glass coating embodiment in, glass coating preferably has the thickness being less than about 200 microns.

The thickness of the first block piece can use microscope, SEM (SEM) or any other suitable measuring method known in the art to record.

When the first block piece comprise be arranged at combustible heat source below on the first barrier coat time, first barrier coat applies by any suitable method known in the art to cover and to adhere to after combustible heat source, and described method includes but not limited to spraying, steam deposition, dipping, material transfer (such as brushing or gummed), electrostatic precipitation or its any combination.

Such as, first barrier coat obtains by such as under type: block piece with pre-formed close to the size and dimension after combustible heat source, and described block piece is applied to combustible heat source below with cover and adhere to combustible heat source at least substantially whole after.Alternately, the first barrier coat be applied to combustible heat source below after, the first barrier coat described in machinable or machining.In a preferred embodiment, by aluminium foil being glued together or being pressed into combustible heat source and aluminium foil is applied to after combustible heat source, and cut or aluminium foil described in machining with described aluminium foil is covered and adhere to combustible heat source at least substantially whole after, preferred cover and adhere to combustible heat source whole after.

In a further advantageous embodiment, by the solution of one or more suitable coating materials or suspended substance being applied to after combustible heat source, thus form the first barrier coat.Such as, by will in the solution below immersing one or more suitable coating materials of combustible heat source or suspended substance, or by solution or suspended substance are brushed or are sprayed into the upper below of combustible heat source or by the powder of one or more suitable coating materials or mixture of powders electrostatic precipitation to combustible heat source below on, thus the first barrier coat to be applied to after combustible heat source.When by the first barrier coat is applied to the upper below of combustible heat source by the powder of one or more suitable coating materials or mixture of powders electrostatic precipitation combustible heat source below time, the preferred below of combustible heat source used waterglass pretreatment before electrostatic precipitation.Preferably, the first barrier coat is applied by spraying.

First barrier coat is by being applied to being formed of combustible heat source below by the solution of one or more suitable coating materials or suspended substance single.Alternately, the first barrier coat is by being repeatedly applied to being formed of combustible heat source below by the solution of one or more suitable coating materials or suspended substance.Such as, the first barrier coat by by the solution of one or more suitable coating materials or suspended substance once, be applied to being formed of combustible heat source for twice, three times, four times, five times, six times, seven times or eight times continuously below.

Preferably, the first barrier coat is by being applied to being formed of combustible heat source below by the solution of one or more suitable coating materials or suspended substance once to ten time.

The solution of one or more coating materials or suspended substance are applied to combustible heat source below after, can dry combustible heat source to form the first barrier coat.

When the first barrier coat by the solution of one or more suitable coating materials or suspended substance is repeatedly applied to combustible heat source below and formed time, combustible heat source may need to carry out drying between the continuous applying of solution or suspended substance.

For drying alternately or additionally, the solution of one or more coating materials or suspended substance are applied to combustible heat source below after, the coating material in combustible heat source can be sintered to form the first barrier coat.When the first barrier coat be glass or ceramic coating time, the particularly preferably sintering of the first barrier coat.Preferably, the first barrier coat, at the temperature of about 500 DEG C to about 900 DEG C, more preferably sinters at about 700 DEG C.

When smoking product according to the present invention also comprises (ii) non-flammable air-locked second block piece substantially between combustible heat source and one or more gas channel, the aerosol that is drawn through being entered smoking product by one or more gas channel forms the air of matrix through one or more gas channel, does not directly contact with the combustible constituent of combustible heat source.But in this type of embodiment, the air being drawn through aerosol formation matrix being entered smoking product by one or more gas channel with after combustible heat source is not directly contacted.In this type of embodiment, the air being drawn through aerosol formation matrix being entered smoking product by one or more air intake also directly can be contacted with after combustible heat source.

Second block piece can advantageously substantially prevent or stop when the air be sucked is through one or more gas channel, enters through one or more gas channel be drawn into according to the air in smoking product of the present invention at the burning Sum decomposition product lighted and formed between main combustion period of the combustible heat source of smoking product according to the present invention.When combustible heat source comprises one or more additives to help the lighting or burn of combustible heat source, this is particularly advantageous.

Between combustible heat source and one or more gas channel, comprise non-flammable air-locked second block piece substantially also can advantageously prevent or stop during by the suction of user's single port, according to exciting of the burning of the combustible heat source of smoking product of the present invention substantially.This can stop or prevent aerosol during being aspirated by user's single port from forming uprushing of the temperature of matrix substantially.

By preventing or stoping exciting of the burning of combustible heat source, and to prevent thus or the excessive temperature that stops aerosol to form matrix raises, can advantageously avoid forming the burning of matrix under strong single port aspiration phases or pyrolysis according to the aerosol of smoking product of the present invention.In addition, the single port aspiration phases of user advantageously can be minimized or is alleviated the impact of the composition of the main flow aerosol of smoking product according to the present invention.

Second block piece can bond or otherwise be fixed to combustible heat source.

In some preferred embodiment, the second block piece comprise be arranged on one or more gas channel inner surface on non-flammable air-locked second barrier coat substantially.In this type of embodiment, preferably the second block piece comprises the second barrier coat be arranged at least substantially whole inner surface of one or more gas channel.More preferably, the second block piece comprises the second barrier coat be arranged on the whole inner surface of one or more gas channel.

In other embodiments, the second barrier coat provides by being inserted in one or more gas channel by lining.Such as, when one or more gas channel comprises the one or more airtight gas channel of the inside extending through combustible heat source, non-flammable air-locked hollow tube substantially can insert one or more gas channel separately in.

Characteristic sum performance needed for smoking product, the second block piece can have low heat conductivity or high thermal conductivity.Preferably, the second block piece has low heat conductivity.

The thickness of the second block piece can be suitably adjusted to obtain good smoking performance.In certain embodiments, the second block piece can have the thickness of about 30 microns to about 200 microns.In a preferred embodiment, the second block piece has the thickness of about 30 microns to about 100 microns.

Second block piece can be formed by one or more suitable materials, described material at the temperature of lighting and obtained by combustible heat source between main combustion period for substantially heat-staple and non-flammable.Suitable material is known in the art, and includes but not limited to such as: clay; Metal oxide, such as iron oxide, aluminium oxide, titanium dioxide, silica, silica-alumina, zirconia and cerium oxide; Zeolite; Basic zirconium phosphate; And other ceramic materials or its combination.

The preferred material that can form the second block piece comprises clay, glass, aluminium, iron oxide and combination thereof.If needed, by catalyst component, such as can promote to make Oxidation of Carbon Monoxide become the composition of carbon dioxide, be attached in the second block piece.Suitable catalyst component includes but not limited to, such as platinum, palladium, transition-metals and their oxides.

When the second block piece comprises the second barrier coat on the inner surface being arranged on one or more gas channel, by any suitable method, such as at US-A-5,040, the method described in 551, puts on the inner surface of one or more gas channel by the second barrier coat.Such as, the inner surface of one or more gas channel can utilize the solution of the second barrier coat or suspended substance to carry out spraying, soaking or application.In some preferred embodiment, by the process that describes in WO-A2-2009/074870, the second barrier coat is put on the inner surface of one or more gas channel when combustible heat source is extruded.

Preferably, smoking product according to the present invention comprises the outer wrapper that restriction aerosol forms at least rear portion of matrix and combustible heat source.When smoking product assembles, outer wrapper should grasp combustible heat source and the aerosol formation matrix of smoking product.

More preferably, smoking product according to the present invention comprises outer wrapper, and its restriction cigarette holder, aerosol form matrix, form any other component of smoking product and at least rear portion of combustible heat source of matrix downstream and cigarette holder upstream at aerosol.

Preferably, outer wrapper is substantially air-locked.

The outer wrapper formed by any suitable material or combination of materials can be comprised according to smoking product of the present invention.Suitable material is well-known in the art, and includes but not limited to cigarette paper.

There is provided according in the outer wrapper of the component of smoking product of the present invention and any other material in restriction at the one or more air intakes below and between the downstream end of aerosol formation matrix of combustible heat source, air is sucked in one or more air flow path by described outer wrapper and any other material.

When one or more air intake comprises one or more first air intake around aerosol formation matrix periphery, one or more first air intake provides in the outer wrapper and any other material of restriction aerosol formation matrix.

When one or more air intake is included in one or more second air intake below and between aerosol formation matrix of combustible heat source, one or more second air intake provides in outer wrapper and any subsurface material.

Preferably, combustible heat source is for containing carbon heat sources.As used herein, term ' carbon containing ' is for describing the combustible heat source comprising carbon.Preferably, have at least about 35% for the carbon containing combustible thermal source in smoking product according to the present invention, more preferably at least about 40%, most preferably at least about 45% carbon content, with the dry weight basis of combustible heat source.

In certain embodiments, be flammable carbon back thermal source according to combustible heat source of the present invention.As used herein, term ' carbon back thermal source ' is for describing the thermal source primarily of carbon composition.

For the flammable carbon back thermal source in smoking product according to the present invention, there is the carbon content at least about 50%.Such as, for the flammable carbon back thermal source in smoking product according to the present invention can have at least about 60% or at least about 70% or at least about 80% carbon content, with the dry weight basis of flammable carbon back thermal source.

The carbon containing combustible thermal source formed by one or more suitable carbonaceous materials can be comprised according to smoking product of the present invention.

If needed, one or more adhesives and one or more carbonaceous materials can be combined.Preferably, one or more adhesives are organic bond.Suitable known organic bond includes but not limited to glue (such as guar gum), modified cellulose and cellulose derivative (such as methylcellulose, carboxymethyl cellulose, hydroxypropyl cellulose and hydroxypropyl methylcellulose), flour, starch, sugar, vegetable oil and combination thereof.

In a preferred embodiment, combustible heat source is formed by the mixture of carbon dust, modified cellulose, flour and sugar.

Replace one or more adhesives or except one or more adhesives, one or more additives can be comprised for the combustible heat source in smoking product according to the present invention, to improve the character of combustible heat source.Suitable additive includes but not limited to promote the additive of the consolidation of combustible heat source (such as sintering aid), in order to promote additive (the such as oxidant lighted of combustible heat source, as perchlorate, chlorate, nitrate, peroxide, permanganate, zirconium and their combination), in order to promote additive (the such as potassium and sylvite of the burning of combustible heat source, as potassium citrate) and in order to promote by the burning of combustible heat source the additive of the decomposition of one or more gases that produces (such as catalyst, as CuO, Fe ₂o ₃and Al ₂o ₃).

When smoking product according to the present invention comprise be arranged on combustible heat source below on the first barrier coat time, the first barrier coat be applied to combustible heat source below before or after, examples of such additives can be mixed in combustible heat source.

In some preferred embodiment, combustible heat source comprises the carbon containing combustible thermal source that carbon and at least one light auxiliary agent.In a preferred embodiment, combustible heat source is as described in WO-A1-2012/164077, comprises the carbon containing combustible thermal source that carbon and at least one light auxiliary agent.

As used herein, term ' lights auxiliary agent ' for the material representing the one or both released energy in the ignition procedures of combustible heat source and in oxygen, wherein material release energy and the speed of one or both in oxygen by the restriction of ambient oxygen diffusion.In other words, in the ignition procedures of combustible heat source, material releases energy and the speed of one or both in oxygen does not rely on the speed that ambient oxygen can arrive material to a great extent.As used herein, term ' lights auxiliary agent ' also for representing the metal element (elementalmetal) released energy in the ignition procedures of combustible heat source, wherein the ignition temperature of metal element is below about 500 DEG C, and the combustion heat of metal element is at least about 5kJ/g.

As used herein, the alkali metal salt (as alkali-metal citrate, alkali metal acetate and alkali metal succinate) of carboxylic acid, alkali halide salts (as alkali metal chloride salt), alkali carbonate or alkali metal phosphate ' lighted auxiliary agent ' and do not comprised in term, it is believed that these salt above-mentioned changes carbon burning.Even if when alkali metal burning salt relative to the gross weight of combustible heat source to exist in a large number time, this alkali metal burning salt does not discharge enough energy yet and produces acceptable aerosol in single port aspiration procedure in early days in the ignition procedures of combustible heat source.

The example of suitable oxidant includes but not limited to: nitrate, such as potassium nitrate, calcium nitrate, strontium nitrate, sodium nitrate, barium nitrate, lithium nitrate, aluminum nitrate and ferric nitrate; Nitrite; Other organic and inorganic nitro compounds; Chlorate, such as sodium chlorate and potassium chlorate; Perchlorate, such as sodium perchlorate; Chlorite; Bromate, such as bromic acid is received and potassium bromate; Perbromate; Bromite; Borate, such as Boratex and potassium borate; Ferrate, such as barium ferrate; Ferrite; Manganate, such as potassium manganate; Permanganate, such as potassium permanganate; Organic peroxide, such as benzoyl peroxide and acetone peroxide; Inorganic peroxide, such as hydrogen peroxide, strontium peroxide, peromag, calper calcium peroxide, barium peroxide, zinc peroxide and lithium peroxide; Superoxides, such as potassium superoxide and sodium superoxide; Iodate; Periodate; Iodite; Sulfate; Sulphite; Other sulfoxides; Phosphate; Phosphinates; Phosphite; And phosphanite.

Although advantageously improve the lighting and ignition quality of combustible heat source, comprise to light and can cause undesirable decomposition and product in the use procedure of smoking product with combustion additive.Such as, the formation that can cause nitrogen oxide in combustible heat source with the decomposition of the nitrate of assisting it to light is contained in.

Between one or more gas channel and combustible heat source of smoking product according to the present invention, comprise non-flammable air-locked second block piece substantially can advantageously substantially prevent or stop when the air be sucked is through one or more gas channel, this type of decomposition and product enter through one or more gas channel and are drawn into according to the air in smoking product of the present invention.

Carbon containing combustible thermal source for smoking product according to the present invention can be prepared described in prior art as known to persons of ordinary skill in the art.

Carbon containing combustible thermal source for smoking product according to the present invention is formed preferably by with under type: if make other additives in one or more carbonaceous materials and one or more adhesives and some situations mix, and by pre-formed for mixture be required shape.The mixture of one or more carbonaceous materials, one or more adhesives and other additives selectable can utilize any suitable known ceramics forming method, such as, such as slip-casting, extrude, injection molding and mould compression moulding or pressing, and pre-formed be required shape.In some preferred embodiment, by press or extrude or its combination to make mixture pre-formed be required shape.

Preferably, one or more carbonaceous materials, one or more adhesives and other additives mixture by pre-formed be elongated shape bar.But, should be appreciated that the mixture of one or more carbonaceous materials, one or more adhesives and other additives can by pre-formed shape needed for other.

After such shaping, particularly after extrusion, elongated shape bar or other required forms are preferably dried to reduce its water content, then pyrolysis at the temperature enough making one or more adhesives (if present) carbonization in non-oxidizing atmosphere, and substantially eliminate any volatile matter in elongated shape bar or other shapes.Preferably in blanket of nitrogen at the temperature of about 700 DEG C to about 900 DEG C pyrolysis elongated shape bar or the shape needed for other.

In certain embodiments, by comprising at least one metal nitrate precursor at the mixture of one or more carbonaceous materials, one or more adhesives and other additives, at least one metal nitrate is combined in combustible heat source.Then at least one metal nitrate precursor is converted at least one metal nitrate on the spot by the preformed cylindrical bar or other shapes that utilize nitre aqueous acid process pyrolysis.In one embodiment, combustible heat source comprises at least one metal nitrate, and at least one metal nitrate has and is less than about 600 DEG C, is more preferably less than the heat decomposition temperature of about 400 DEG C.Preferably, at least one metal nitrate has about 150 DEG C to about 600 DEG C, the more preferably decomposition temperature of about 200 DEG C to about 400 DEG C.

In a preferred embodiment, combustible heat source should cause at least one metal nitrate decompose and discharge oxygen and energy for the exposure of the yellow fiery igniter of tradition or other firing devices.This decomposition causes the initial raising of the temperature of combustible heat source, and also contributes to lighting of combustible heat source.After the decomposition of at least one metal nitrate, combustible heat source preferably continues to burn at lower temperatures.

Comprising at least one metal nitrate advantageously causes lighting of combustible heat source internally to be triggered, but not only some place in its surface.Preferably, at least one metal nitrate with about 50% of the dry weight of about 20% to the combustible heat source of the dry weight of combustible heat source amount be present in combustible heat source.

In other embodiments, combustible heat source comprises at least one peroxide or superoxides, and peroxide or superoxides derive oxygen on one's own initiative being less than at the temperature of about 600 DEG C, more preferably being less than at the temperature of about 400 DEG C.

Preferably, at least one peroxide or superoxides derive oxygen on one's own initiative at the temperature of about 150 DEG C to about 600 DEG C, more preferably at the temperature of about 200 DEG C to about 400 DEG C, most preferably at the temperature of about 350 DEG C.

In use, combustible heat source should cause at least one peroxide or superoxides decompose and discharge oxygen for the exposure of the yellow fiery igniter of tradition or other firing devices.This causes the initial raising of the temperature of combustible heat source, and also contributes to lighting of combustible heat source.After the decomposition of at least one peroxide or superoxides, combustible heat source preferably continues to burn at lower temperatures.

Comprise at least one peroxide or superoxides advantageously causes lighting of combustible heat source internally to be triggered, but not only some place in its surface.

Combustible heat source preferably has about 20% to the porosity of about 80%, more preferably about 20% to 60%.When combustible heat source comprises at least one metal nitrate, this advantageously allows oxygen when at least one metal nitrate decomposes and burning proceeds to be enough to maintain the VELOCITY DIFFUSION of burning in the quality of combustible heat source.Even more preferably, combustible heat source have as measured by such as mercury porosimetry or helium pycnometry about 50% to about 70%, the porosity of more preferably about 50% to about 60%.Required porosity easily can realize in the process using conventional method and technology production combustible heat source.

Advantageously, the carbon containing combustible thermal source for smoking product according to the present invention has about 0.6g/cm ³to about 1g/cm ³apparent density.

Preferably, combustible heat source has about 300mg to about 500mg, more preferably about 400mg to the quality of about 450mg.

Preferably, combustible heat source has about 7mm to about 17mm, more preferably about 7mm to about 15mm, most preferably about 7mm to the length of about 13mm.

Preferably, combustible heat source has the diameter of about 5mm to about 9mm, more preferably has the diameter of about 7mm to about 8mm.

Preferably, combustible heat source has substantially homogeneous diameter.But combustible heat source can be alternately tapered, the diameter at the rear portion of combustible heat source is made to be greater than the diameter of its front portion.Particularly preferably be columniform combustible heat source substantially.Combustible heat source can be such as cylinder or the tapered cylinder with circular cross section substantially, or has cylinder or the tapered cylinder of oval cross section substantially.

Smoking product according to the present invention preferably includes aerosol and forms matrix, and this aerosol forms matrix and comprises at least one aerosol agents and can respond the material adding Thermal release volatile compound.Aerosol forms matrix can comprise other additives and composition, includes but not limited to NMF, flavor enhancement, adhesive and composition thereof.

Preferably, aerosol formation matrix comprises nicotine.More preferably, aerosol formation matrix comprises tobacco.

At least one aerosol agents can be the mixture of any suitable known compound or compound, and the mixture of compound or compound is in use convenient to form intensive and stable aerosol and substantially resist thermal degradation under the operating temperature of smoking product.Suitable aerosol agents is well known in the art, and comprise such as polyalcohol, the ester (acetin, diacetine or glyceryl triacetate) of polyalcohol, and monocarboxylic acid, dicarboxylic acids or polycarboxylic aliphatic (acid) ester (such as dodecanedioic acid dimethyl ester and tetradecanedioic acid dimethyl ester).Preferred aerosol agents for smoking product according to the present invention is polyalcohol or its mixture, such as triethylene glycol, 1,3-BDO, most preferably glycerine.

Heating can be responded release the material of volatile compound and can be packing material based on plant.Heating can be responded release the material of volatile compound and can be homogeneous filled material based on plant.Such as, aerosol forms matrix can comprise one or more materials deriving from following plant, and described plant includes but not limited to: tobacco; Tealeaves, such as green tea; Peppermint; Bay; Eucalyptus; Sweet basil; Salvia japonica; Verbena officinalis; And tarragon.

Preferably, can responding heating, to release the material of volatile compound be packing material based on tobacco, most preferably based on the homogeneous filled material of tobacco.

Aerosol formed matrix can take by paper or other packing materials around profiled member or the form of section, described profiled member or section comprise can respond the material that volatile compound is released in heating.As mentioned above, when aerosol formation matrix takes the form of this type of profiled member or section, the whole profiled member or the section that comprise any packing material are considered as aerosol formation matrix.

Preferably, aerosol formation matrix has about 5mm to about 20mm, more preferably from about 8mm to the length of about 12mm.

In a preferred embodiment, aerosol forms matrix and is included in the elements material based on tobacco wrapped up in profiled member package.In the especially preferred embodiments, aerosol forms matrix and is included in the homogeneous material profiled member based on tobacco wrapped up in profiled member package.

Preferably, at least anterior heat-conduction component forming matrix around the rear portion of combustible heat source and aerosol is also comprised according to smoking product of the present invention.Heat-conduction component is preferably resistance to combustion.In certain embodiments, heat-conduction component is that oxygen is restrictive.In other words, heat-conduction component prevention or opposing are passed through by the oxygen of heat-conduction component to combustible heat source.

In certain embodiments, heat-conduction component can form matrix with the rear portion of combustible heat source and aerosol and directly contacts.In this type of embodiment, heat-conduction component provides the heat formed between matrix at combustible heat source and the aerosol of smoking product according to the present invention and contacts.

In other embodiments, heat-conduction component can form one of matrix with the rear portion of combustible heat source and aerosol or both separate, and makes to form one of matrix at the rear portion of heat-conduction component and combustible heat source with aerosol or do not exist between the two directly to contact.

Include but not limited to for the suitable heat-conduction component in smoking product according to the present invention: tinsel packagings, such as In Aluminium Foil Packing thing, steel packing material, iron foil packing material and Copper Foil packing material; And metal alloy Foilpac thing.

Preferably, by heat-conduction component around the rear portion of combustible heat source be that length is about 2mm and is about 3mm to about 5mm to about 8mm, more preferably length.

Preferably, not by heat-conduction component around the front portion of combustible heat source be that length is about 4mm and is about 5mm to about 8mm to about 15mm, more preferably length.

In certain embodiments, aerosol formed matrix whole length can by heat-conduction component around.

In other embodiments, heat-conduction component only can form the front portion of matrix around aerosol.In this type of embodiment, aerosol forms matrix and extends beyond heat-conduction component to downstream.

Heat-conduction component is only formed around aerosol in the embodiment of front portion of matrix wherein, and aerosol forms matrix and preferably extends beyond heat-conduction component at least about 3mm to downstream.More preferably, aerosol formation matrix extends beyond heat-conduction component and is about 3mm to about 10mm to downstream.But aerosol formation matrix can extend beyond heat-conduction component to downstream and be less than 3mm.

Preferably, by heat-conduction component around the aerosol front portion that forms matrix be that length is about 1mm and is about 2mm to about 10mm, more preferably length and is about 2mm to about 6mm to about 8mm, most preferably length.

Smoking product according to the present invention comprises the cigarette holder that aerosol forms matrix downstream.

Preferably, cigarette holder has low filter efficiency, more preferably has low-down filter efficiency.Cigarette holder can be the cigarette holder of single section or parts.Alternately, cigarette holder can be multistage cigarette holder or multi-part cigarette holder.

Cigarette holder can comprise the filter tip with one or more sections, and described one or more sections comprise suitable known filter material.Suitable filtering material is known in the art, and includes but not limited to cellulose acetate and paper.Alternately or additionally, cigarette holder can comprise one or more sections, described one or more sections comprise absorbent, adsorbent, flavor enhancement and other aerosol modifier and additive or its combination.

Preferably also be included in aerosol according to the smoking product of element and form transfer element between matrix and cigarette holder or spacer elements.

Transfer element can adjoin aerosol formed one of matrix and cigarette holder or both.Alternately, transfer element can form one of matrix and cigarette holder with aerosol or separate between the two.

Comprise the cooling of the aerosol that transfer element advantageously allows the heat trnasfer by forming matrix from combustible heat source to aerosol to generate.Comprise transfer element also advantageously to allow to be adjusted to desirable value according to the total length of smoking product of the present invention by the suitable selection of the length of transfer element, such as, be adjusted to the length similar to conventional cigarette.

Transfer element can have the length of about 7mm to about 50mm, the length of such as about 10mm to about 45mm or about 15mm to about 30mm.Total length needed for smoking product, and the existence of miscellaneous part in smoking product and length, transfer element can have other length.

Preferably, transfer element comprises at least one open-ended tubular hollow body.In this type of embodiment, in use, when the air be inhaled into swims over to cigarette holder by smoking product downwards from aerosol formation matrix, the air be sucked in smoking product by one or more air intake passes through at least one open-ended tubular hollow body.

Transfer element can comprise at least one the open-ended tubular hollow body formed by one or more suitable materials, and one or more suitable materials described are substantially heat-staple under the temperature of the aerosol of the heat trnasfer generation by forming matrix from combustible heat source to aerosol.Suitable material is known in the art, and includes but not limited to paper, cardboard, plastics such as cellulose acetate, pottery and combination thereof.

Alternately or additionally, aerosol can be included according to smoking product of the present invention and form aerosol cooling element between matrix and cigarette holder or heat exchanger.Aerosol cooling element can comprise multiple passage extending longitudinally.

Aerosol cooling element can comprise the gathering sheet of the material of the Paper or cardboard being selected from metal forming, polymeric material and substantially non-porous.In certain embodiments, aerosol cooling element can comprise the gathering sheet of the material being selected from polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), PETG (PET), PLA (PLA), cellulose acetate (CA) and aluminium foil.

In some preferred embodiment, aerosol cooling element can comprise the gathering sheet of biodegradable polymeric material, described material such as PLA (PLA) or (being obtained commercially the starch base copolyesters of series) level.

One or more aerosol modifier that aerosol forms matrix downstream can be included according to smoking product of the present invention.Such as, one or more aerosol modifier can be comprised according to one or more in the cigarette holder of smoking product of the present invention, the gentle fog cooling element of transfer element.

Suitable aerosol modifier includes but not limited to: flavor enhancement; With chemicals (chemesthetic) reagent.

As used herein, term ' flavor enhancement ', for describing in use, forms the aerosol imparting taste of matrix generation or one or both any reagent of fragrance to the aerosol by smoking product.

As used herein, term ' chemicals reagent ' for describe in use by perception in the oral cavity of the external user of the perception of gustatory receptor or osmoreceptor cell or sense of smell chamber or any reagent of also perception in the oral cavity of user or sense of smell chamber except the perception by gustatory receptor or osmoreceptor cell.The perception of chemicals reagent usually by " trigeminal neuralgia induction ", or passes through trigeminal neuralgia, glossopharyngeal nerve, sympathetic nerve, or some combinations of these nerves.Usually, chemicals reagent is perceived as sensation that is hot, peppery, cool or calmness.

Can be included according to smoking product of the present invention one or more aerosol modifier that aerosol forms matrix downstream, it is flavor enhancement and chemicals reagent.Such as, according to one or more the comprised menthols in the cigarette holder of smoking product of the present invention, transfer element gentle fog cooling element or the another kind of flavor enhancement providing cool chemicals efficacy.

Known method and machine can be used to assemble according to smoking product of the present invention.

Accompanying drawing explanation

The present invention is further illustrated with reference to the accompanying drawings by means of only way of example, in the drawing:

Fig. 1 a) shows the exploded view of the smoking product according to the first embodiment of the present invention;

Fig. 1 b) show the exploded view of smoking product according to a second embodiment of the present invention;

Fig. 1 c) show the exploded view of smoking product according to a fourth embodiment of the invention;

Fig. 1 d) show the exploded view of smoking product according to a fifth embodiment of the invention;

Fig. 1 e) show the exploded view of smoking product according to a seventh embodiment of the invention;

Fig. 1 f) show the exploded view of the smoking product according to the eighth embodiment of the present invention;

Fig. 2 show Fig. 1 a) shown in the schematic longitudinal cross-section of the smoking product according to the first embodiment of the present invention; With

Fig. 3 shows at Fig. 1 b) shown in the schematic longitudinal cross-section of smoking product according to a second embodiment of the present invention.

Detailed description of the invention

Comprising according to the smoking product 2 of the first embodiment of the present invention shown in Fig. 1 a) He 2 is in adjacent coaxillay aligned combustible heat source 4, aerosol forms matrix 10, transfer element 12 and cigarette holder 14, and described combustible heat source 4 has 6 and relative 8 above below.As shown in Figure 2, aerosol forms matrix 10, the rear portion of transfer element 12 and cigarette holder 14 and combustible heat source 4 is wrapped in the overpack 16 of the sheet material such as cigarette paper with low-permeable.

Combustible heat source 4 comprise central flow path 18 (by Fig. 1 a) in dotted line illustrate), it 6 extends to next 8 before combustible heat source 4.

Aerosol forms the 8 tight downstreams below that matrix 12 is positioned at combustible heat source 4.Aerosol forms the cylindrical profiled member that matrix 12 comprises the homogeneous material 20 based on tobacco, is included in the aerosol agents of parcel in profiled member package 22, such as glycerine.

Transfer element 12 is positioned at the tight downstream that aerosol forms matrix 12, and comprises the hollow tube 24 of the cylinder-shaped end opening of suitable material such as paper, cardboard or cellulose acetate tow.

Cigarette holder 14 is positioned at the tight downstream of transfer element 12 of the proximal end of smoking product 2.Cigarette holder 14 comprises the cylindrical profiled member of the suitable filter material 26 with parcel in filter tip profiled member package 28, and described suitable filter material 26 such as has the cellulose acetate tow of extremely low filter efficiency.

Smoking product also can comprise the tipping paper tape (not shown) of the downstream end part around overpack 16.

As shown in Figure 2, smoking product 2 also comprises the heat-conduction component 30 with suitable material such as aluminium foil, this heat-conduction component 30 around and the rear portion 4b of contact carbon containing combustible thermal source 4 and aerosol form the adjacent anterior 10a of matrix 10.In fig. 2 shown in according in the smoking product 2 of the first embodiment of the present invention, aerosol formed matrix extend beyond heat-conduction component 30 to downstream.That is, heat-conduction component 30 not around with contact aerosol and form the rear portion of matrix 10.But, be to be understood that in other embodiment (not shown) of the present invention, heat-conduction component 30 can around and contact aerosol forms the whole length of matrix 10.

One or more air intakes of the downstream of 8 and the upstream of cigarette holder 14 below that are positioned at combustible heat source 4 are comprised according to the smoking product 2 of the first embodiment of the present invention.One or more air intake combustible heat source 4 below 8 and aerosol formed between the downstream end of matrix 10, and comprise one or more first entrances 32 forming matrix 10 periphery around aerosol.

As shown in Figure 2, the first air intake 32 be circular layout is arranged on aerosol and is formed in the profiled member package 22 of matrix 10 and the overpack 16 of covering, enters aerosol formed in matrix 10 to receive cold air (being illustrated by dotted arrow in Fig. 1 a) He 2).Be to be understood that in other embodiment (not shown) of the present invention, wherein heat-conduction component 30 around and contact aerosol forms the whole length of matrix 10, the first air intake 32 be circular layout can be arranged on aerosol and be formed in the profiled member package 22 of matrix 10, the heat-conduction component 30 covered and the overpack 16 that covers, enters aerosol formed in matrix 10 to receive cold air.

In use, user lights the combustible heat source 4 of the smoking product 2 according to the first embodiment of the present invention, and aspirates on cigarette holder 14 subsequently.When user aspirates on cigarette holder 14, air (being illustrated by dotted arrow in Fig. 1 a) He 2) is sucked in smoking product 2 by the central flow path 18 of combustible heat source 4, and when it is heated when the central flow path 18 of combustible heat source 4.When user aspirates on cigarette holder 14, the aerosol that cold air (being illustrated by dotted arrow in Fig. 1 a) He 2) is also sucked into smoking product 2 by the first air intake 32 is formed in matrix 10.

When heating air downstream and forming matrix 10 towards the cigarette holder 14 of smoking product 2 through aerosol, the hot-air that adds being drawn through the central flow path 18 of combustible heat source 4 forms matrix 10 by forced convertion heating aerosol.The anterior 10a that aerosol forms matrix 10 also by via combustible heat source 4 adjacent below 8 and heat-conduction component 28 conduction and heated.

Form matrix 10 by conduction and forced convertion heating aerosol and discharge glycerine and other volatility and semi-volatile compounds from the profiled member of the homogeneous materials 20 based on tobacco.The compound forming release matrix 10 from aerosol forms aerosol, when sucked air flows through aerosol formation matrix 10, described aerosol is entrained in the air of the central flow path 18 being drawn through combustible heat source 4 and is sucked in the air in the aerosol formation matrix 10 of smoking product 2 by the first air intake 32.The aerosol (being illustrated by dotted arrow in Fig. 1 a) He 2) of the air sucked and entrained with is to downstream through transfer element 12, and the aerosol of air sucked wherein and entrained with cools and condensation.The air sucked of cooling and the aerosol of entrained with through cigarette holder 14, and are delivered to user by the near-end of the smoking product 2 according to the first embodiment of the present invention to downstream.

At Fig. 1 b) with the smoking product 34 according to a second embodiment of the present invention shown in 3, there is the structure identical to a great extent with the smoking product according to the first embodiment of the present invention shown in Fig. 1 a) with 2.But, in smoking product 34 according to a second embodiment of the present invention, combustible heat source 4 and aerosol form matrix 10 and are spaced apart from each other, and combustible heat source 4 below 8 and aerosol form matrix 10 downstream end between one or more air intakes comprise one or more second entrance 36, its combustible heat source 4 below 8 and aerosol formed between matrix 10.

As shown in Figure 3, the second air intake 36 be circular layout be arranged on combustible heat source 4 below 8 and aerosol form matrix 10 upstream end thereof between heat-conduction component 30 and the outer wrapper 16 that covers in, illustrated by dotted arrow to receive in cold air (at Fig. 1 b) and 3) enter combustible heat source 4 and aerosol is formed in the space between matrix 10.

In use, when user aspirates on the cigarette holder 14 of smoking product 34 according to a second embodiment of the present invention, illustrated by dotted arrow in air (at Fig. 1 b) and 3) be sucked in smoking product 34 by the central flow path 18 of combustible heat source 4, and cold air is also sucked into combustible heat source 4 by the second air intake 36 and aerosol is formed in the space between matrix 10.

When heating air downstream and forming matrix 10 towards the cigarette holder 14 of smoking product 34 through aerosol, the hot-air that adds being drawn through the central flow path 18 of combustible heat source 4 forms matrix 10 by Convective Heating aerosol.Aerosol forms the anterior 10a of matrix 10 also by being heated via the conduction of heat-conduction component 28.

Matrix 10 is formed from the profiled member of the homogeneous materials 20 based on tobacco release glycerine and other volatility and semi-volatile compounds by conduction and convection heating aerosol.The compound forming release matrix 10 from aerosol forms aerosol, when sucked air flow through aerosol form matrix 10 time, described aerosol is entrained in the air of the central flow path 18 being drawn through combustible heat source 4 and is sucked in the air in space that combustible heat source 4 and aerosol form between matrix 10 by the second air intake 36.Illustrated by dotted arrow in the aerosol (at Fig. 1 b) of the air sucked and entrained with and 3) to downstream through transfer element 12, the cooling of the aerosol of air sucked wherein and entrained with and condensation.The air sucked of cooling and the aerosol of entrained with through cigarette holder 14, and are delivered to user by the near-end of smoking product 34 according to a second embodiment of the present invention to downstream.

According to the third embodiment of the invention smoking product (not shown) have with at Fig. 1 b) structure identical to a great extent with the smoking product according to a second embodiment of the present invention shown in 3.But, in smoking product according to the third embodiment of the invention, one or more second entrances below and between aerosol formation matrix 10 in combustible heat source 4 are comprised at the one or more air intakes below and between the downstream end of aerosol formation matrix of combustible heat source, as at Fig. 1 b) and the smoking product according to a second embodiment of the present invention as shown in 3 in, and location forms one or more first entrances of matrix periphery around aerosol, as shown in Fig. 1 a) He 2 according in the smoking product of the first embodiment of the present invention.

In use, when user aspirates on the cigarette holder of smoking product according to the third embodiment of the invention, air is sucked in smoking product by the central flow path of combustible heat source, and cold air is also sucked into combustible heat source by the second air intake and aerosol is formed in the space between matrix, and be sucked into the aerosol formation Medium Culture of smoking product by the first air intake.

Can produce by omitting the second barrier coat of clay according to Examples below 1 for the carbon containing combustible thermal source in the smoking product of first, second, and third embodiment according to the present invention.

When air is through central flow path, enter being drawn through of smoking product by the central flow path of combustible heat source and directly contact with the combustible constituent of combustible heat source according to the aerosol formation air of matrix of the smoking product of first, second, and third embodiment of the present invention.Enter being drawn through of smoking product by central flow path also with after combustible heat source directly to contact according to the air of the aerosol formation matrix of the smoking product of first, second, and third embodiment of the present invention.

At Fig. 1 c) shown in smoking product 38 according to a fourth embodiment of the invention there is the structure identical to a great extent with the smoking product according to the first embodiment of the present invention shown in Fig. 1 a) with 2.But in smoking product 38 according to a fourth embodiment of the invention, non-flammable air-locked first block piece 40 is substantially arranged on below between 8 and aerosol formation matrix 10 of combustible heat source 4.As Fig. 1 c) as shown in, the first block piece 40 comprises non-flammable air-locked first barrier coat substantially, and it is whole below on 8 that it is arranged on combustible heat source 4, and the central flow path 18 of combustible heat source 4 extends through the first barrier coat.

Due to comprising of the first barrier coat, the aerosol of smoking product 38 according to a fourth embodiment of the invention form that matrix 10 does not directly contact carbon containing combustible thermal source 4 below 8.

Due to comprising of the first barrier coat, in use, the air being drawn through smoking product 38 according to a fourth embodiment of the invention by the central flow path 18 of combustible heat source 4 does not also directly contact 8 of carbon containing combustible thermal source 4 below.In addition, due to comprising of the first barrier coat, in use, the aerosol cold air formed in matrix 10 being sucked into smoking product 38 according to a fourth embodiment of the invention by the first air intake 32 does not directly contact 8 of carbon containing combustible thermal source 4 below.

But, when air is through central flow path 18, the aerosol being drawn through smoking product 38 according to a fourth embodiment of the invention being entered smoking product 38 by the central flow path 18 of combustible heat source 4 forms the combustible constituent that the air of matrix 10 directly contacts combustible heat source.

At Fig. 1 d) shown in smoking product 42 according to a fifth embodiment of the invention have with at Fig. 1 b) structure identical to a great extent with the smoking product according to a second embodiment of the present invention shown in 3.But in smoking product 42 according to a fifth embodiment of the invention, non-flammable air-locked first block piece 40 is substantially arranged on below between 8 and aerosol formation matrix 10 of combustible heat source 4.As Fig. 1 d) as shown in, the first block piece 40 comprises non-flammable air-locked first barrier coat substantially, and it is whole below on 8 that it is arranged on combustible heat source 4, and the central flow path 18 of combustible heat source 4 extends through the first barrier coat.

Due to comprising of the first barrier coat, in use, be sucked into according to a fifth embodiment of the invention smoking product 42 by the central flow path 18 of combustible heat source 4 in air directly do not contact 8 of carbon containing combustible thermal source 4 below.In addition, due to comprising of the first barrier coat, in use, 8 of carbon containing combustible thermal source 4 is not directly contacted below by the second air intake 36 cold air be sucked in space that the combustible heat source 4 of smoking product 42 according to a fifth embodiment of the invention and aerosol form between matrix 10.

But, when air is through central flow path 18, the aerosol being drawn through smoking product 42 according to a fifth embodiment of the invention being entered smoking product 42 by the central flow path 18 of combustible heat source 4 forms the combustible constituent that the air of matrix 10 directly contacts combustible heat source.

Smoking product (not shown) according to a sixth embodiment of the invention has the structure identical to a great extent with smoking product (not shown) according to the third embodiment of the invention.But, in smoking product according to a sixth embodiment of the invention, non-flammable air-locked first block piece be substantially arranged on combustible heat source below and aerosol formed between matrix.First block piece comprises non-flammable air-locked first barrier coat substantially, its be arranged on combustible heat source whole below on, and the central flow path of combustible heat source extends through the first barrier coat.

Due to comprising of the first barrier coat, in use, be sucked into according to a sixth embodiment of the invention smoking product by the central flow path of combustible heat source in air directly do not contact after carbon containing combustible thermal source.In addition, due to comprising of the first barrier coat, in use, to be sucked in the space that the combustible heat source of smoking product according to a sixth embodiment of the invention and aerosol are formed between matrix by the second air intake and the aerosol of smoking product that is sucked into according to a sixth embodiment of the invention by the first air intake is formed intramatrical cold air and directly do not contact after carbon containing combustible thermal source.

But, when air is through central flow path, the aerosol being drawn through smoking product according to a sixth embodiment of the invention being entered smoking product by the central flow path of combustible heat source forms the combustible constituent that the air of matrix directly contacts combustible heat source.

Can produce according to Examples below 2,3 and 4 for the carbon containing combustible thermal source in the smoking product of the 4th, the 5th and the 6th embodiment according to the present invention.

At Fig. 1 e) shown in smoking product 44 according to a seventh embodiment of the invention there is the structure identical to a great extent with the smoking product according to the first embodiment of the present invention shown in Fig. 1 a) with 2.But in smoking product 44 according to a seventh embodiment of the invention, non-flammable air-locked second block piece 46 (at Fig. 1 e) is substantially shown by dashed lines) be arranged between combustible heat source 4 and central flow path 18.Second block piece 46 comprises non-flammable air-locked second barrier coat substantially, and it is arranged on the whole inner surface of central flow path 18.

Due to comprising of the second barrier coat, in use, when air is through central flow path, the air in the smoking product 38 being sucked into according to a seventh embodiment of the invention by the central flow path 18 of combustible heat source 4 does not directly contact the combustible constituent of carbon containing combustible thermal source 4.

But, the aerosol being drawn through smoking product 44 according to a seventh embodiment of the invention entering smoking product 44 by the central flow path 18 of combustible heat source 4 form that the air of matrix 10 directly contacts combustible heat source 4 below 8.

At Fig. 1 f) shown according to the smoking product 48 of the eighth embodiment of the present invention have with at Fig. 1 b) structure identical to a great extent with the smoking product according to a second embodiment of the present invention shown in 3.But according in the smoking product 48 of the eighth embodiment of the present invention, non-flammable air-locked second block piece 46 (at Fig. 1 f) is substantially shown by dashed lines) be arranged between combustible heat source 4 and central flow path 18.Second block piece 46 comprises non-flammable air-locked second barrier coat substantially, and it is arranged on the whole inner surface of central flow path 18.

Due to comprising of the second barrier coat, in use, when air is through central flow path 18, is sucked into by the central flow path 18 of combustible heat source 4 and does not directly contact carbon containing combustible thermal source 4 according to the air in the smoking product 48 of the eighth embodiment of the present invention.

But, be drawn through that the air forming matrix 10 according to the aerosol of the smoking product 48 of the eighth embodiment of the present invention directly contacts combustible heat source 48 of smoking product 48 are entered below by the central flow path 18 of combustible heat source 4.In addition, the cold air be sucked into by the second air intake 36 in the space being formed between matrix 10 according to the combustible heat source 4 of the smoking product 48 of the eighth embodiment of the present invention and aerosol also directly contacts 8 of combustible heat source 4 below.

According to the smoking product (not shown) of the ninth embodiment of the present invention, there is the structure identical to a great extent with smoking product (not shown) according to the third embodiment of the invention.But according in the smoking product of the ninth embodiment of the present invention, non-flammable air-locked second block piece is substantially arranged between combustible heat source and central flow path.Second block piece comprises non-flammable air-locked second barrier coat substantially, and it is arranged on the whole inner surface of central flow path.

Due to comprising of the second barrier coat, in use, when air is through central flow path, be sucked into by the central flow path of combustible heat source and directly do not contact carbon containing combustible thermal source according to the air in the smoking product of the ninth embodiment of the present invention.

But, enter being drawn through of smoking product by the central flow path of combustible heat source and directly contact after combustible heat source according to the air of the aerosol formation matrix of the smoking product of the ninth embodiment of the present invention.In addition, the cold air be sucked into by the second air intake in the space being formed between matrix according to the combustible heat source of the smoking product of the ninth embodiment of the present invention and aerosol is also directly contacted after combustible heat source.

Can produce according to Examples below 1 for the carbon containing combustible thermal source in the smoking product of the 7th, the 8th and the 9th embodiment according to the present invention.

Example 1-comprises the preparation of the carbon containing combustible thermal source of the second barrier coat of clay

Can be prepared as described in WO-A2-2009/074870A2 or any other prior art known to persons of ordinary skill in the art for the flammable cylindrical carbon heat sources that contains in smoking product according to the present invention.Water paste as described in WO-A2-2009/074870A2 is extruded the mould through the central die orifice with circular cross section, to prepare combustible heat source.Die orifice has the diameter of 8.7mm, has the cylindrical bar of about 20cm to the length of about 22cm and the about 9.1cm extremely diameter of about 9.2mm to be formed.Single longitudinal air flow path is formed in cylindrical bar by the plug fixing in die orifice central authorities.Plug preferably has the circular cross section that external diameter is about 2mm or about 3.5mm.Alternately, be used in die orifice and fix with right angle, there are three plugs that external diameter is the circular cross section of about 2mm, in cylindrical bar, form three gas channels.Cylindrical bar extrude period, coating sizing-agent (using clay such as natural green clay preparation) based on clay is pumped through the feeding-passage extending through one or more plug central authorities, to form the second thin barrier coat of about 150 microns to about 300 microns on the inner surface of one or more gas channel.Cylindrical bar is dry about 12 little of about 72 hours under about 40% to about 50% relative humidity at the temperature of about 20 DEG C to about 25 DEG C, and about 240 minutes of pyrolysis at about 750 DEG C in blanket of nitrogen subsequently.After pyrolysis, use grinding machine by cylindrical bar cutting and be configured as restriction diameter, to form indivedual carbon containing combustible thermal source.In cutting and the bar after being shaped, there is the diameter of length, the about 7.8mm of about 11mm and the dry mass of about 400mg.Indivedual carbon containing combustible thermal source at about 130 DEG C dry about 1 hour subsequently.

Example 2-comprises the preparation of the carbon containing combustible thermal source of bentonite/kaolinic first barrier coat

Bentonite/kaolinic non-flammable air-locked first barrier coat be substantially arranged on carbon containing combustible thermal source below on, described carbon containing combustible thermal source is prepared as described in example 1, but the second barrier coat not argillaceous.First barrier coat is provided by dipping, brushing or spraying.Dipping relates in the bentonite/kaolinite solution that insertion is concentrated below by carbon containing combustible thermal source.Bentonite/kaolinite solution for flooding contains 3.8% bentonite, 12.5% kaolinite and 83.7%H ₂o [m/m].In bentonite/kaolinite solution, flood about 1 second after carbon containing combustible thermal source, and allow the meniscus penetrated in the carbon pores at the back side surface place of carbon containing combustible thermal source due to solution to disappear.Brush to relate to and brush is impregnated in concentrated bentonite/kaolinite solution, and the concentrated bentonite/kaolinite solution on brush is applied to the back side surface of carbon containing combustible thermal source until cover.Bentonite/kaolinite solution for brushing contains 3.8% bentonite, 12.5% kaolinite and 83.7%H ₂o [m/m].

By after flooding or brushing non-flammable air-locked first barrier coat substantially of application, carbon containing combustible thermal source at about 130 DEG C dry about 30 minutes in an oven, and be placed in drier at about 5% relative humidity overnight.

Spraying relates to aaerosol solution, preferably containing 3.6% bentonite, 18.0% kaolinite and 78.4%H ₂o [m/m], and have as measured with flow graph (PhysicaMCR300, coaxial clyinder arrange), at about 100s ^-1shearing rate under the viscosity of about 50mPas.With on the SMCE-MY2B Linear actuator under the speed of about 10mm/s to about 100mm/s, the nozzle of 0.5mm, 0.8mm or 1mm is used to complete spraying with SataMiniJet3000 ejecting gun.Use following nozzle parameter: sample-pistol distance 15cm; Sample velocities 10mm/s; Nozzle 0.5mm; Smooth and expulsion pressure 2.5 bar of jet flow.In single spraying event, usually obtain the coating layer thickness of about 11 microns.Spray in triplicate.Between each spraying, carbon containing combustible thermal source at room temperature drying about 10 minutes.After non-flammable air-locked first barrier coat substantially of application, about 1 hour of the pyrolysis at about 700 DEG C of carbon containing combustible thermal source.

Example 3-comprises the preparation of the carbon containing combustible thermal source of the first barrier coat of glass

Non-flammable air-locked first barrier coat substantially of glass be arranged on carbon containing combustible thermal source below on, described carbon containing combustible thermal source is prepared as described in example 1, but the second barrier coat not argillaceous.First barrier coat is provided by spraying.Perform by using the frosted glass suspended substance of fine powder with the spraying of glass.Such as, use spraying suspended substance, it contains 37.5% glass powder (3 μm), 2.5% methylcellulose and 60% water, and viscosity is 120mPas, or containing 37.5% glass powder (3 μm), 3.0% bentonite powder and 59.5% water, viscosity is 60-100mPas.Can use and have corresponding to the composition of glass 1,2,3 and 4 in table 3 and the glass powder of physical characteristic.

With on the SMCE-MY2B Linear actuator under the speed of about 10mm/s to about 100mm/s, the nozzle of 0.5mm, 0.8mm or 1mm is used to complete spraying with SataMiniJet3000 ejecting gun.Spraying preferably repeats several times.After injection completes, about 1 hour of the pyrolysis at about 700 DEG C of carbon containing combustible thermal source.

Table 3: form with the glass of percentage by weight, by forming the conversion temperature Tg, the thermal coefficient of expansion A that calculate _20-300with KI value

Example 4-comprises the preparation of the carbon containing combustible thermal source of the first barrier coat of aluminium

Non-flammable air-locked first barrier coat substantially of aluminium be arranged on carbon containing combustible thermal source below on, described carbon containing combustible thermal source is prepared as described in example 1, but the second barrier coat not argillaceous.By from the aluminum steel axle band laser cutting aluminium block piece with about 20 micron thickness, provide the first barrier coat.Aluminium block piece has the diameter of about 7.8mm and single hole, and the external diameter with about 1.8mm is entreated in described single hole wherein, to mate the cross section of the carbon containing combustible thermal source of example 1.In alternative embodiments, aluminium block piece has three holes, aligns with three gas channels arranged in carbon containing combustible thermal source in its location.By using any suitable adhesive, aluminium block piece being attached to after carbon containing combustible thermal source, forming aluminium barrier coat.

In use, during the single port suction by user, the cold air be sucked in the one or more air intakes below and between the downstream end of aerosol formation matrix of combustible heat source reduces the temperature forming matrix 10 according to the aerosol of the smoking product 2,34,38,42,44,48 of the of the present invention first to the 9th embodiment.

This advantageously stops or prevents from forming uprushing of the temperature of matrix 10 at aerosol during by the suction of the single port of user, and advantageously minimizes or impact that the single port aspiration phases that reduces user forms the main flow aerosol of the smoking product 2,34,38,42,44,48 according to the of the present invention first to the 9th embodiment.

Above-described specific embodiment expection illustrates the present invention.But, other embodiments can be prepared, and do not deviate from the spirit and scope of the present invention as limited in claim, and to should be appreciated that above-described specific embodiment is not expected be restrictive.

Claims

1. a smoking product, described smoking product comprises:

There is the combustible heat source of relative front and back;

One or more gas channels are below extended to before described combustible heat source;

Matrix is formed at the aerosol of the Later downstream of described combustible heat source;

The cigarette holder in matrix downstream is formed at described aerosol; With

Be positioned at the Later downstream of described combustible heat source and one or more air intakes of described cigarette holder upstream, wherein said one or more air intake described combustible heat source below and described aerosol formed between the downstream end of matrix,

Wherein, in use, be drawn through described aerosol to form the air of matrix and enter described smoking product by described one or more gas channel and described one or more air intake, and described in be drawn through at least some that described aerosol formed in the air of matrix and directly contact with the combustible constituent of described combustible heat source.

2. smoking product according to claim 1, described smoking product also comprises the outer wrapper that the described aerosol of restriction forms at least rear portion of matrix and described combustible heat source.

3. smoking product according to claim 1, described smoking product also comprises one of the following: (i) is at non-flammable air-locked first block piece substantially below and between described aerosol formation matrix of described combustible heat source; (ii) non-flammable air-locked second block piece substantially between described combustible heat source and described one or more gas channel.

4. smoking product according to claim 1, described smoking product comprise (i) described combustible heat source below and described aerosol form non-flammable air-locked first block piece substantially between matrix, wherein said first block piece comprise be arranged on described combustible heat source below on the first barrier coat.

5. smoking product according to claim 1, described smoking product comprises (ii) non-flammable air-locked second block piece substantially between described combustible heat source and described one or more gas channel, and wherein said second block piece comprises the second barrier coat on the inner surface being arranged on described one or more gas channel.

6., according to smoking product in any one of the preceding claims wherein, wherein said one or more air intake comprises one or more first air intakes forming matrix periphery around described aerosol.

7., according to smoking product in any one of the preceding claims wherein, wherein said aerosol forms matrix and adjoins after described combustible heat source.

8. the smoking product according to any one of claim 1-6, wherein said aerosol is formed after matrix and described combustible heat source spaced apart.

9. smoking product according to claim 8, wherein said one or more air intake is included in one or more second air intakes below and between described aerosol formation matrix of described combustible heat source.

10., according to smoking product in any one of the preceding claims wherein, described smoking product also comprises:

Around the rear portion of described combustible heat source and at least anterior heat-conduction component of described aerosol formation matrix.

11. according to smoking product in any one of the preceding claims wherein, and wherein said aerosol forms matrix and comprises material based on tobacco and at least one aerosol agents.

12. according to smoking product in any one of the preceding claims wherein, and wherein said combustible heat source is carbon containing combustible thermal source.

13. according to smoking product in any one of the preceding claims wherein, and wherein said combustible heat source comprises lights auxiliary agent.

14. according to smoking product in any one of the preceding claims wherein, and described smoking product also comprises:

The transfer element between matrix and described cigarette holder is formed at described aerosol.

15. according to smoking product in any one of the preceding claims wherein, and described smoking product is also included in one or more aerosol modifier that described aerosol forms matrix downstream.