Cigarette with low ignition capability

FIELD: cigarette industry, in particular, manufacture of cigarettes with reduced capability of igniting inflammable objects, for example floor, when cigarette has fallen onto inflammable object.

SUBSTANCE: cigarette has high-density region formed in the center of paper casing and comprising common cut tobacco filled to filler density of 1.15-0.35 g/cm3, for example 0.25 g/cm3, and low-density region formed between paper casing and high-density region and comprising mellowed cut tobacco filled to filler density of 0.05-0.15 g/cm3, for example 0.14 g/cm3. Thickness of low-density region defined between paper casing and high-density region is 1-3 mm.

EFFECT: provision for creating of low-ignition cigarette which keeps initial aroma and taste of cigarette during smoking.

10 cl, 11 dwg, 1 tbl

 

The present invention relates to a cigarette with a low igniting ability, which has a reduced ability to ignite a flammable object, such as a floor, when a lit cigarette falls on a combustible object.

When a smoker smokes a cigarette, you must save the burning cone of a lighted cigarette, namely to prevent the termination of his burning and also between the pull of smoke the smoker or the so-called bongs. Thus, even if the intervals between puffs long enough, the smoker can smoke a cigarette.

However, if due to the negligence of the smoker lit cigarette falls on a flammable object, such as, for example, on the floor, then the free burning of a lighted cigarette can cause the ignition of a combustible object. Therefore, in the tobacco industry there is a need to create a cigarette with the so-called low igniting capacity (hereinafter referred to as "cigarette"), and such cigarettes, which can reduce the risk of ignition of a flammable object in the situation described.

To meet this need cigarettes of this type have been proposed, for example, in Japanese patent calculations No. 11-46744 and 11-318416. The cigarettes are introduced in the first layout, paper sleeve, which is wrapped around a fine-cut tobacco has a lot of vazduhoplovni the protected areas to reduce breathability. These airtight zones are located in the longitudinal direction of the cigarettes with the predefined intervals. When the free burning of the cigarette burning cone of the cigarette reaches one of the airtight zones, airtight area reduces the flow of air to the burning cone and thereby stops the combustion of the burning cone. Thus, it reduces the risk of ignition of a different item from a lit cigarette.

Paper sleeve cigarettes, proposed in the last of these calculations, on its inner surface has a heat-conductive strips. Thermally conductive strips are held in the axial direction of the paper liners. As expected, when the free burning of the cigarette thermally conductive strips remove heat from the burning cone and thereby reduce the temperature of the burning cone. Thus, as above described airtight zone, thermally conductive strips suspend the combustion of the burning cone.

Cigarette described in Japanese patent laying No. 5-76335, can reduce the formation of smoke between puffs. Inside paper sleeves cigarette has a cavity used in the puffs and containing fine-cut tobacco, and a cavity that is used between puffs and containing a material other than tobacco. These two types of cavities are alternately longitudinally in the direction of the cigarette and are connected to each other, the result is stored smoldering fire between puffs. As expected, in this cigarette cavity used between puffs, also lowers the temperature of the burning cone, reducing the risk of ignition of a different item from a lit cigarette.

However, any cigarettes, proposed in the above publications, contains other additional elements in addition to the tobacco materials and paper. These additional elements to a large extent change the original flavor and the smell of cigarettes when Smoking, although cigarettes are chosen to taste. As a result, smokers don't like cigarettes the above types. Furthermore, additional elements greatly increase the cost of manufacturing cigarettes.

The technical task of the present invention was the creation of the cigarettes with a low igniting ability that when Smoking preserves the original flavor and the smell of cigarettes flammable and has a low capacity and which avoids a significant increase in the cost of its manufacture.

This technical problem was solved by creating a cigarette with a low igniting ability, which according to the invention contains a paper sleeve, having an axis, an area with a high density, formed from fine-cut tobacco Packed in the specified paper tubes is before the first density of the filling, and passing through the axis, and a region with a low density, formed from the second rolling tobacco, Packed in a paper sleeve to the second density of the filling which is less than the first density of the filling, and the specified region with a low density is located separately from the specified area with a high density, and the area with low density has a part which is located between the bottom of the specified paper sleeves and the specified area with a high density, when the cigarette is freely lying position.

Preferably the first density filling the area with a high density is 0.15-0.35 g/cm3and the second density of the filling areas with a low density of 0.05-0.15 g/cm3.

Preferably the part of the region with low density has a thickness of 1-3 mm

Preferably an area with a high density contains the usual fine-cut tobacco, and a region with a low density contains friable fine-cut tobacco.

Preferably an area with a high density forms the core located in the center of the paper liners, and a region with a low density is located between a region with a high density and a paper sleeve and forms a sheath surrounding area with high density.

Preferably an area with a low density between the paper liner and the core and eat a thickness of 1-3 mm

Preferably an area with a low density between the paper liner and the core has a thickness corresponding to 1/4-3/4 of the radius of the paper sleeve.

Preferably an area with a high density forms a tubular core, located in the center of the paper liners, and a region with a low density is located between a region with a high density and a paper sleeve and forms a sheath surrounding area with high density, and the cigarette further comprises a second region with a low density, filled inside the core.

Preferably the core is divided into two parts, and the first region with a low density inside the core, and a second area with a low density, which is located outside of the core, are connected to each other.

Preferably the paper sleeve has an elliptic cross-section, an area with a high density forms a tapered core, which in cross-section passes through the long axis of the ellipse from one side of the inner periphery of the paper sleeves to her other side, and a lower density forms two outer layers that hold between a tapered core.

Hereinafter the invention will be explained in more detail with reference to the accompanying drawings, on which:

figure 1 is a perspective view of a cigarette with a low igniting what sposobnostey according to the first variant of the invention,

figure 2 - view of the end surface of the cigarette with 1,

figure 3 - schematic view of an installation for the manufacture of cigarettes with 1,

4 is a schematic view of another installation for the manufacture of cigarettes with 1,

5 is a view of the end faces of the cigarettes with a low igniting ability according to the second variant of the invention,

6 is a view of the end faces of the cigarettes with a low igniting ability according to the third variant embodiment of the invention,

7 is a schematic view of an installation for the manufacture of cigarettes with 6,

Fig is a schematic view of another installation for the manufacture of cigarettes with 6,

Fig.9 is a view of the end faces of the cigarettes with a low igniting ability according to the fourth variant embodiment of the invention,

figure 10 - view of the end faces of the cigarettes with a low igniting ability according to the fifth variant embodiment of the invention,

11 is a view of the end faces of the cigarettes with a low igniting ability according to the sixth variant embodiment of the invention.

Figure 1 and 2 shows a cigarette with low flammable ability according to the first variant embodiment of the invention. Cigarette paper contains a sleeve 2, a tobacco filling in a paper sleeve 2 and the filter mouthpiece 4 connected to the end of the paper liners . Tobacco filling contains Smoking tobacco materials.

Tobacco filling forms a double concentric circular structure having sertalinealso region with high density of 6 located in the center, and Blockoban region with a low density 8 located outside of areas with a high density 6. The region with high density 6 has a round cross section and is held in the axial direction of the paper sleeve 2 over the entire length of the paper liner 2. The area with low density 8 is located between the paper liner 2 and a region with a high density of 6 passes for the entire length of the area with a high density of 6 and surrounds the area with high density 6. Therefore, when considering the cross-section of the cigarette area with a low density 8 forms an annular layer which is in contact with the entire inner peripheral surface of the paper liner 2 and surrounds the area with high density 6.

More specifically, the region with high density 6 contains fine-cut tobacco that is not loosened cut tobacco used in conventional cigarette. The density of the filling of shredded tobacco in areas with a high density of 6 is, for example, 0.15 to 0.35 g/cm3more specifically 0.25 g/cm3.

The area with low density 8 contains friable fine-cut tobacco, the density of the filling of atagotaaluk in areas with a low density 8 is 0.05-0.15 g/cm 3for example 0.14 g/cm3. The average density of the filling of shredded tobacco throughout the cigarettes, including in the area with high density of 6 and an area with a low density 8 is, for example, 0.12 to 0.26 g/cm3preferably 0,17-0,22 g/cm3.

It is desirable that the thickness of the region with a low density 8 was in the range of 1-3 mm, or, in other words, was equal to 1/4-3/4 of the radius of the paper liners 2.

Soft fine-cut tobacco get by loosening regular rolling tobacco using, for example, the method described in Japanese patent laying No. 1-104152. Soft fine-cut tobacco has a larger volume after loosening up than conventional cut tobacco. Volume after loosening is expressed in units of apparent volume per unit weight.

Thus, when loosened fine-cut tobacco and the usual fine-cut tobacco is introduced into the cigarette on the installation for the manufacture of cigarettes under the same conditions, the density of the filling of the soft rolling tobacco is to a lesser extent than the density of the filling of the regular rolling tobacco, namely, in the above-mentioned limits of 0.05-0.15 g/cm3.

Described cigarette can be manufactured at the facility for the manufacture of cigarettes, is shown in figure 3. Installation for the manufacture of cigarettes figure 3 differs from the usual installation only in that it has three channels for feeding cut t the tank onto the conveyor belt 10 for tobacco. Specifically, the apparatus for making cigarette in figure 3 has three channels 12, 14 and 16 under the conveyor belt 10 for tobacco. These three channels are positioned successively in the direction of movement of the conveyor belt 10 for tobacco.

Through the rear channel 12 above the loosened fine-cut tobacco is blown up to the lower surface of the conveyor belt 10 for tobacco, so soft fine-cut tobacco sticks to the lower surface of the conveyor belt 10 for tobacco and forms a layer with a low density K1.

Through the channel 14 is blown up conventional cut tobacco to a layer with a low density K1 on the conveyor belt 10 for tobacco. As a result of this conventional cut tobacco sticks to the bottom layer with a low density K1 and forms a layer with a high density of K2, the covering layer with a low density K1.

Finally, through the front channel 16 is blown up loosened fine-cut tobacco in the direction of the bottom surface of the conveyor belt 10 for tobacco. Soft fine-cut tobacco, which is blown up in this case, stick to a layer with a high density of K2 and forms a layer with a low density K3, covering the layer with a high density of K2. Thus, the lower surface of the conveyor belt 10 for tobacco is formed of laminated fine-cut tobacco, consisting of layers K1, K2 and K3.

If the width of the individual layers K1, K2 and K3 indicate to what to W1, W2 and W3, then met the dependence of W1<W2<W3. Therefore, in the same order of stepwise increasing the width of the channels 12, 14 and 16, which are open for insufflation of tobacco to the bottom surface of the conveyor belt 10 for tobacco.

When then described layered fine-cut tobacco is fed from the conveyor belt 10 for tobacco of a section of molding harness 18, layered cut tobacco is transferred to the paper P. Layered fine-cut tobacco is located on the paper P so that the layers K3, K2 and K1 were stacked on the paper P in the same order.

When the paper P and layered fine-cut tobacco is fed through a section of molding harness 18, layered continuously fine-cut tobacco wrapped in paper P, so that the formed tobacco harness. Tobacco harness has a layer with a high density of K2 in the centre and layers with a low density K1 and K3, which is surrounded by a layer with a high density of K2. Thus, a layer with high density K2 forms a region with a high density of 6, and layers with a low density K1 and K3 form a region with a low density 8.

Then on the plot molding harness 18 tobacco harness cut into individual cigarette sticks CR. Cigarette wand CR length twice that of the above-mentioned cigarette.

Cigarette sticks CR made in a similar manner, serves to installation to attach the filter (not shown). The installation on which I attach filter to produce a cigarette, shown in figure 1.

Suppose a smoker, Smoking above the cigarette, because of their negligence drops his cigarette on a flammable object, such as on the floor. Inside paper sleeves 2 area with a low density 8 is less dense filling of shredded tobacco than the area with high density 6. Therefore, even if the proceeds are free burning cigarette, the amount of heat released in areas with a low density of 8 per unit time and per unit volume is less than the amount of heat released in areas with a high density of 6 per unit time and per unit volume. Thus, paper sleeve 2 is not heated to a high temperature. Furthermore, the area with low density 8 prevents transfer to a paper sleeve 2 heat produced in areas with a high density of 6, and acts as an insulating layer. Therefore, even if the cigarette will continue to freely burn fuel subject is low, the probability that lights up that part of the paper liner that is in contact with combustible object. Thus, it reduces the risk of ignition of a flammable object.

In addition, when a smoker smokes a cigarette, he basically pulls the main stream smoke from the burning area with a high density 6. Hence, the cigarette according to the present invention n is much different in flavor and smell from ordinary cigarettes.

Moreover, cigarette according to the present invention does not contain any other items except those used in a conventional cigarette. Hence, the cigarette according to the present invention can be manufactured by a typical installation for the manufacture of cigarettes, if only a conduit for supply of tobacco in a typical installation for the manufacture of cigarettes to replace the above channels 12-16. Thus, the manufacturing cost increases slightly.

The following table 1 shows the speed of free burning, and the coefficient of ignition for cigarettes And D serving as comparative examples, and for cigarettes E-G (examples) according to the present invention. The speed of free burning is a parameter that affects the flavor and smell of cigarettes, while the coefficient of ignition is a measure of flammable ability cigarette.

Table 1
The share of the region with high densely employment (%)The share of the region with a low densely employment (%)LocationThe average raft of toppings (g/cm3)Speed freedoms th of burning (mm/min)The thickness of the thinnest part of the region with a low density in contact with the paper sleeve (mm) The ratio of firing (%)
A7030-0,224,40-100
B5050-0,204,59-83
C0100-0,145,944,000
D7030Reverse concentric0,224,19-100
E7030Normal concentric0,224,650,2567
F5050Normal concentric0,204,921,000
G3070Normal concentric0,175,152,000

In table 1 all comparative and other examples A-G, a cylindrical cigarette with a circumference of 24.8 mm, a diameter of about 8 mm and a length of 85 mm, the Density of the filling of shredded tobacco in areas with a high density and low density with the order, respectively, 0.25 g/cm 3and 0.14 g/cm3.

As for the position of "location" in table 1, the "normal concentric" indicates the concentric structure in which a region with a high density 6 is located in the center of the paper liner 2, a region with a low density 8 is located outside of areas with a high density 6, as shown in figure 2. "Reverse concentric" indicates a structure in which a region with a high density of 6 and an area with a low density 8 have the opposite location. The sign "-" indicates the state in which the mixed conventional cut tobacco, forming a region with a high density of 6, and loosened fine-cut tobacco, forming a region with a low density of 8, i.e. tobacco stuffed in a normal cigarette.

In table 1 the speed of free burning" is the value measured when the cigarette lies in a windless place and remains freely burning.

In table 1 the coefficient of ignition" is the value obtained when using the model method of ignition, reported by NIST (USA).

NIST is the abbreviated name of the National Institute of standards and technology. Source, which describes the modeling method of ignition is T.J. Ohlemiller, Villa C.M., Braun E., Eberhardt K.R., Harris Jr., Lawson J.R. and R.G. Gann, "Test Methods for Quantifying the Propensity of Cigarettes to Ignite Soft Furnishing", NIST Special Publication 851.

Specifically, the coefficient of Gosplan the tion" - this is the percentage of those cigarettes, which ignite the cotton fabric No. 6 as a test tissue, 48 when the cigarette burned and lie on cotton No. 6.

As can be seen from table 1, cigarettes in examples E-G are the speed of free burning, similar to the speed of free burning in comparative examples A, B and D. This means that the first " cigarettes have an aroma and smell, similar to the flavor and odor of the second cigarette. However, cigarette in examples E-G have a lower coefficient of ignition than cigarettes in comparative examples A, B and D. This means that the igniting ability of cigarettes in examples E-G is smaller than in comparative examples A, B and D. In particular, when a region with a low density 8 in contact with the inner periphery of the paper liner 2 has a thickness of 1 mm or more, the risk of ignition of combustible subject of a lit cigarette can remain very low.

Although cigarette in the comparative example has a coefficient of ignition of 0%, it has a very high rate of free burning. Hence, the cigarette in the comparative example With the flavor and smell is inferior to regular cigarettes and are unfit for the area.

The present invention is not limited to the above option for its implementation. Can be made of various modifications.

Installation for the manufacture of cigarettes is and figure 4 has a single channel 20 for feeding cut tobacco to the conveyor belt 10 for tobacco. However, the channel 20 has inside two walls 24 and 26 which divide the internal space of the channel 20 into three chambers 28, 30 and 32. These three chambers 28, 30 and 32 correspond to the channels, respectively 12, 14 and 16. Thus, in this procedure stepwise increase of the width of the holes for blowing tobacco in the chambers 28, 30 and 32.

As in the installation for the manufacture of cigarettes figure 3 installation figure 4 on the bottom surface of a conveyor belt 10 for tobacco is formed of laminated fine-cut tobacco, consisting of layers K1, K2 and K3. Thus, the installation for the manufacture of cigarettes figure 4 it is possible to make the tobacco burn, which is manufactured cigarette with 1.

Cigarette according to the second variant embodiment of the invention shown in figure 5, has an area with a high density of 6, which is elliptical in its cross-section. In this case, a circular region with a low density 8 in its most subtle part has a thickness of at least 1 mm.

Cigarette according to the third variant embodiment of the invention, shown in Fig.6, has a tubular region with a high density of 6 and contains a different area with a low density 34 inside area with high density 6.

Cigarette on 6 may be made on the installation for the manufacture of cigarettes, is shown in Fig.7.

Installation for the manufacture of whitefish is pet 7 is produced by adding an additional two channels 36 and 38 to an apparatus for manufacturing cigarettes shown in figure 3. These channels 36 and 38 are located in front of the channel 12 and in this order is formed on the bottom surface of a conveyor belt 10 for tobacco layer with a low density K4 loosened from shredded tobacco and a layer with a high density of K5 regular rolling tobacco.

Cigarette on 6 may also be made on the installation for the manufacture of cigarettes shown in Fig. Installation on Fig get through separation walls 40 and 42 of the internal space of the channel 20 in the plant for the manufacture of cigarettes figure 4. Partitions 40 and 42 add cameras 44 and 46 in front of the camera 28. Like the aforementioned channels 36 and 38, the camera 44 and 46 serve to education in this order layer with a low density of K4 and a layer of high density K5 on the bottom surface of a conveyor belt 10 for tobacco.

Cigarette according to the fourth variant embodiment of the invention shown in figure 9, has an area with a high density 48 in the center of the paper liner 2. The region with high density 48 is formed from a mixture of soft fine-cut tobacco and regular rolling tobacco. The density of the filling of shredded tobacco in areas with a high density of 48 higher than in areas with a low density of 8. The region with high density 48 of this type can be used as a region with a high density of 6 in other embodiments done by the means of the invention.

Figure 10 shows the cigarette according to the fifth variant embodiment of the invention. Cigarette figure 10 has two areas with a high density 6A, 6b. These areas with high density 6a, 6b obtained by separating the annular area with a high density figure 6.

Cigarette figure 10 can be manufactured at the facility for the manufacture of cigarettes 7 or installation for the manufacture of cigarettes on Fig. In this case, the width of the layers with a high density of K5 and K2, formed in this order on the lower surface of the conveyor belt 10 for tobacco, less than in the case of manufacturing cigarettes for 6. These layers with a high density of K5 and K2 form a region with a high density 6a and 6b, respectively.

Figure 11 shows the cigarette according to the sixth variant embodiment of the invention. Paper sleeve 2 cigarettes on 11 has an elliptical cross-section. In this case, the region with high density of 6 forms a tapered core with an elliptical cross-section. As you can see on the elliptical cross-section paper sleeves 2, the tapered core passes through the long axis of the ellipse from one side of the inner periphery of the paper liner 2 to the other side. The area with low density 8 located on both sides of the region with high density of 6, or, in other words, the region with high density of 6 divides the area is low density 8 on two of the outer layer.

For the manufacture of cigarettes with 11 first on the lower surface of the conveyor belt 10 for tobacco form a layered cut tobacco, consisting of layers K1, K2 and K3. Then on the plot of forming a layered cut tobacco is formed into a tapered tobacco harness, using the paper P. on the other hand, the tobacco can harness flattening after layered cut tobacco molded in tobacco harness with a circular cross section, using the paper P.

In the cigarette on 11 opposite edge areas with a high density 6 in contact with the inner periphery of the paper liner 2. However, even if due to negligence tapered cigarette will fall on combustible object, as, for example, on the floor, it will remain on fuel subject in the position shown figure 11. Thus, between the combustible object and a region with a high density of 6 will always be an area with a low density 8. Therefore, significantly reduces the risk of ignition of a flammable object.

It should be noted that the cigarette on 11 may also be provided with a mouthpiece filter (not shown).

1. Cigarette with low igniting capacity, containing a paper liner having an axis, an area with a high density, formed from fine-cut tobacco Packed in the specified paper sleeve to the first density of the filling, aprobadas axis, and the area with low density is formed from the second rolling tobacco, Packed in a paper sleeve to the second density of the filling which is less than the first density of the filling, and the specified region with a low density is located separately from the specified area with a high density, and the area with low density has a part which is located between the bottom of the specified paper sleeves and the specified area with a high density, when the cigarette is freely lying position.

2. Cigarette according to claim 1, in which the first density of the filling of the specified area with a high density is 0.15-0.35 g/cm3and the second density of the filling of the specified area with a low density of 0.05-0.15 g/cm3.

3. Cigarette according to claim 2, in which a specified part of a specified area with a low density has a thickness of 1-3 mm

4. Cigarette according to claim 3, in which the specified region with a high density contains the usual fine-cut tobacco, and the specified region with a low density contains friable fine-cut tobacco.

5. Cigarette according to claim 4, in which the specified region with a high density forms the core located in the center of the specified paper sleeves, and the specified region with a low density is between a specified area with a high density and the specified paper sleeve and forms Obolo is, surrounding the specified region with a high density.

6. Cigarette according to claim 5, in which the specified region with a low density between the specified paper sleeve and the core has a thickness of 1-3 mm

7. Cigarette according to claim 5, in which the specified region with a low density between the specified paper sleeve and the core has a thickness corresponding to1/4-3/4radius specified paper sleeves.

8. Cigarette according to claim 4, in which the specified region with a high density forms a tubular core, located in the center of the specified paper sleeves, and the specified region with a low density is between a specified area with a high density and the specified paper sleeve and forms a sheath surrounding the specified region with high density, and the cigarette further comprises a second region with a low density, filled inside the core.

9. The cigarette of claim 8 in which the core is divided into two parts, and the specified first region with a low density, which is located inside this core, and the said second region with a low density, which is located outside of the specified core, are connected to each other.

10. Cigarette according to claim 4, in which the paper sleeve has an elliptic cross-section, the specified region with a high density is Brazul tapered core, which in cross section passes through the long axis of the ellipse from one side of the inner periphery of the specified paper sleeves to her other side, and the specified region with a low density forms two outer layers that hold between a specified tapered core.



 

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5 cl, 1 tbl

FIELD: tobacco industry.

SUBSTANCE: wrapping paper for tobacco articles such as cigarette contains burning-controlling substance in amounts from 1 to 15 g/m2 and calcium phosphate-based compound in amounts from 1 to 30 g/m2. The former is, in particular, a salt of organic acid, e.g. citric acid, and the latter tricalcium phosphate.

EFFECT: reduced side jet of tobacco smoke.

5 cl, 1 tbl

FIELD: material for smoking articles.

SUBSTANCE: claimed material contains fruit substance as basic organic smoke-forming material, incombustible inorganic filler and binder. Such smoking stuffing material may be used with or without tobacco additive.

EFFECT: additive selection to produce smoke with specific taste and fragrance.

49 cl, 4 tbl, 4 ex

FIELD: tobacco industry.

SUBSTANCE: material of invention consists of vegetable material treated according to tobacco blend preparation technology wherein, as starting material, tea leaves reduced to fragments 0.5-10 mm in size in the form of strands and strips dried to moisture content 12-20% are used.

EFFECT: eliminated presence of nicotine and imparted tonic and "smoke release" effects.

Cigarette // 2259153

FIELD: cigarette industry, in particular, manufacture of cigarettes with reduced amount of carbon monoxide in tobacco smoke inhaled by smoker.

SUBSTANCE: cigarette has portion of tobacco wrapped into cigarette paper sheet rolled to form rod. Cut tobacco has width of at least 1.2 mm. Grid of protrusions is formed on part or whole inner surface of cigarette paper sheet, said protrusions having height of at least 1/3 the thickness of sheet and extending toward cut tobacco. According to one particular embodiment, tobacco is cut to width of at least 2.0 mm. According to another particular embodiment, tobacco is cut to width of up to 3.0 mm. Protrusions on cigarette paper may have height of up to 10 thicknesses thereof. Cigarette paper sheet may have thickness of 10-50 micron. Each protrusion is formed as truncated cone.

EFFECT: reduced monoxide to resin ratio in tobacco smoke.

6 cl, 3 dwg

Cigarette filter // 2260359

FIELD: cigarette industry.

SUBSTANCE: cigarette filter has filtering sections including filtering materials, individually wrapped with wrapping paper; forming paper for wrapping filtering sections together; and tip paper for covering of forming paper so as to join filtering sections with cigarette section for producing of cigarette. Cigarette filter has adsorbents such as activated carbon and silicon dioxide/aluminum oxide in at least one of filtering materials or in space between filtering materials.

EFFECT: improved taste and aroma of cigarette and provision for selective removal of predetermined components contained in main flow smoke.

7 cl, 5 dwg, 1 tbl

Cigarette filter // 2262280

FIELD: cigarette industry.

SUBSTANCE: cigarette filter comprises filtering sections including filtering materials, which are individually wrapped with wrapping paper, forming paper for wrapping of filtering section together, and mouthpiece paper for covering forming paper so as to connect filtering sections with cigarette section for producing of cigarette. Cigarette filter contains, as adsorbents, activated carbon and porous material based on inorganic mineral and comprising ferric sulfate/L-ascorbic acid in at least one of filtering materials or in gap between filtering materials.

EFFECT: reduced deteriorating influence upon cigarette taste and aroma and provision for eliminating of certain components contained in main smoke flow.

8 cl, 5 dwg, 1 tbl

FIELD: manufacture of smoke articles.

SUBSTANCE: wrapping paper contains calcium carbonate and combustion regulating substances, said components being used in predetermined ratio. Combustion regulating substance is sodium citrate or potassium citrate. Ash content in surface layer on at least one side of wrapping paper or on each of two sides, i.e., on upper and lower sides of wrapping paper, does not exceed 35 wt%.

EFFECT: reduced quantity of smoke in visible indirect tobacco smoke stream.

6 cl, 10 dwg, 4 tbl, 4 3x

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