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Method for manufacture of cigarettes and filter assemblies with compressible flavour capsule Filter assembly (26) is manufactured of a filtering element having an absorbing material (112) confined in an external coating (52). A plunger (104) passes axially through the absorbing material so that the tipped front end (106) of the plunger (104) displaces the absorbing material (112) radially to the outside against a coating (52) so that to form a tube (42) of the compressed absorbing material along the coating inner surface (52). The inner surface of the tube (42) surrounds a hollow axial hole (114) that is to receive absorbing elements (130) and capsules (36) as may be placed axially therein. The capsules (36) are fitted to be destroyed by the smoker for release of an additional material modifying tobacco smoke properties. The plunger (104) external cylindrical surface optionally carries a relocatable interwoven material that is spread across the inner surface of the tube (42) so that to form a coating (43) thereon which is impermeable for the additional material to be released from the capsules (36). |
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Methods of increasing quantity of mesopores in microporous coal Invention can be used in obtaining adsorbents in substances for smoking and filters for tobacco smoke trapping. Granules of microporous activated coal of vegetable origin are submerged into solution of alkali earth or alkali metal, shaken, filtered with the following drying of filtered coal. Microporous coal, processed with salt, can be activated with vapour, for instance, in argon, for 1-10 h. Obtained coal has volume of micropores at least 0.4 cm3/g and volume of mesopores at least 0.3 cm3/g. |
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Ventilating shell for smoking product Invention relates to a shell for usage in conjunction with a smoking product; the shell provides for an inlet hole for environment air and two possible ways for environment air flow when the shell is used with a smoking product; the first way passes through the shell but not through the smoking product; the second way includes flow through the smoking product; the shell includes a pressure-sensitive valve in case of unset whereof air flow along the first way is ensured. |
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Method of manufacture of multisegment filtering rods Invention relates to the method of manufacture of multi-segment filtering rods, according to which different segments placed in the relevant order, are displaced by means of feed unit on formatting band, where they are wrapped up in a paper wrapper, then they are separated into filtering rods of some length with a cutter head. A feed unit, cutter head and formatting tape are driven by separate servomotors connected by the common virtual electronic shaft, connected with a control system. Before the commencing of manufacture the information on a cut segment, length of filtering rod, the sequence of segments in the rod and constant distance between feed unit and cutter head are entered into a control system, then it evaluates a baseline static electronic ratio between driving systems of servomotors of feed unit and cutter head, and after the commencing of manufacture the control system in advance evaluates the cutting torque necessary to obtain the relevant length of the filtering rod, and compares it with a baseline static ratio calculated earlier, then it performs gradual regulation of the cutting torque with reference to a scaled baseline static ratio and determines the averaged point of cutting of filtering extruder. |
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Invention relates to a smoking product filtering element containing a filtering material tampon, a tobacco core elongated essentially longitudinally through the filtering material tampon, and wrapping means wrapped around at least a section of the longitudinally elongated surface of the tobacco core. |
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Smoking product with improved flow restriction element Invention relates to a smoking product (10) containing the following elements: a smoking material core (12); a filter (14) containing a flow restriction element (26, 26') attached to the smoking material core (12); the flow restriction element (26, 26') contains the following parts: the first integral tubular part (30, 30') positioned downstream; the second tubular (32, 32') part positioned upstream and having essentially the same outer diameter as the first tubular part (30, 30'); the third central, integral tubular part (34, 34') positioned between the first and the second tubular parts (30, 30', 32, 32'), the third tubular part (34, 34') has decreased outer diameter in comparison with the first and the second tubular parts (30, 30', 32, 32'); and a crosswise barrier (36, 36') containing at least one hole (38, 38') provided for therein; the crosswise barrier (36, 36') is positioned between the first cavity (40, 40'), positioned downstream and at least partly formed by the inner periphery of the first tubular part (30, 30'), the second cavity (42, 42'), positioned upstream and at least partly formed by inner periphery of the second tubular part (32, 32'); and a ventilation area positioned in a place along the filter (14) and communicating with the second cavity (42, 42'). |
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Invention relates to a method of opening a cigarette casing, which comprises cutting the cigarette transported in a guiding chute of the machine feeder to extract tobacco from damaged and/or defective cigarettes, at that the cigarettes are cut at least with one revolving disc knife located above the feeder, in which at least one rotating circular knife is applied to the cigarette such that the axis, on which the said disc knife is perpendicular mounted lies in a plane parallel to the plane in which the axis of the cigarette extends; at that the plane of the disk knife does not contain the cigarette axis and is parallel to the said axis of cigarette, the cigarette rotation around its axis in the guiding chute is blocked, as a result the in the cigarette casing tensile stress is created which facilitates its opening. |
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Invention relates to a smoking product filter containing an elongated base part of the filtering material, an internal wrapper (having the first and the second areas of a non-porous material positioned around and with an interval along the filtering material length with formation of clearance acting as a ventilation zone) and an external wrapper positioned over the internal wrapper and designed so that ventilating air may be drawn through the ventilation zone and passed into the filtering material through the external wrapper and in a longitudinal direction between the internal and the external wrappers. |
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Proposed method used in tobacco industry comprises conveying filter rods from container into cutter drum grooves. Filter rods are cut to filter segments to be unloaded from said groove as a set of filter segments by pushers connected with unloading device to be directed along unloading path, first, by said pushers and, then, by feeder to separation device. Then, said segments are transferred to belt for grouping to be arranged in the order that ensures the production of filter from segments fed from several modules. In case gaps occur at said path of unloading said filter segments from cutter drum groove caused by absence of the rod in drum groove and detected by appropriate sensor, operation of the devices located downstream, of said gap is decelerated. At the same time, operation of the devices upstream of said gap are accelerated till elimination of said gap. |
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Photodegradable synthetic material and use thereof Invention relates to a photodegradable synthetic material containing a cellulose ester, characterised by that the photodegradable synthetic material contains photocatalytically active, carbon-modified titanium dioxide dispersed therein. |
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Method for determination of mutual disposition of filter segment on the bearing element of the grouping unit in the process of manufacture of multi-segment filters used in tobacco industry for cigarettes; segments from multiple modules of the filter manufacture machine are supplied onto the bearing element of the grouping unit and positioned in a sequence corresponding to the cigarette filter structure; the modules sequence designation is assumed in the direction corresponding to the segments movement direction; when the manufacture process is stopped, the position and length of segment from every module on the bearing element of the grouping unit is registered; then mutual disposition of the segments and the distance between the segments are determined. |
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Invention relates to composite material, which is formed of polymer (P), which is acetylcellulose, and compounds (C), selected from precipitated silicon dioxide and mixture of precipitated silicon dioxide and activated carbon, as well as that it has average size of particles at least 150 mcm, pore volume, (Vd1) formed by pores with diameter 3.6-1000 nm, equal to at least 0.4 cm3/g, and cohesion index CIN, equal to ratio (number average particle size after impact of air pressure 4 bar)/(number average size of particles without impact with air pressure (0 bar)), higher than 0.40. |
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Cigarette filter with capsule and cigarette with such filter Invention relates to a cigarette filter which comprises: a plurality of filtering materials spaced in a line; a capsule located between the filtering materials, which contains the liquid for using as a flavouring agent or adsorbent; the forming paper which covers the filtering materials and the capsules, connects the filtering materials with each other, and which comprises an impermeable material to prevent seepage of the liquid contained in the capsule: and an adhesive agent for bonding the filtering materials and the forming paper with each other, located between the filtering materials and the forming paper along the part or the entire circumference of the filtering materials and the forming paper, at that from the filtering materials, the filter material located closer to the tobacco rod, filled with the shredded tobacco, relative to the capsule, is the unwrapped filter segment, which fibre is open on its surface. |
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Environmentally degradable cigarette filter Invention relates to environmentally degradable cigarette filter comprising the filtering element of the plasticized cellulose acetate tow and plug wrapping surrounding the said filtering element, which additionally comprises a weak organic acid and pH-adjusted salt of an ester encapsulated in a matrix material, at that the said pH-adjusted salt of an ester has the pH less than or equal to 8, at that the said matrix material encapsulates the said weak acid and the said pH-adjusted salt of an ester being in contact with the tow. |
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Method and device for filter material plasma treatment Invention relates to a smoking product filter that includes a carbon-containing filter material the surface whereof is subjected to alteration by way of plasma treatment for modification of the filter material selective filtration properties. |
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Invention relates to a tobacco smoking filter or filter element that contains a cylindrical core made of essentially homogenous filtering material with the circumference equal to 14.0-23.2 mm, the essentially homogenous filtering material containing a large quantity of staple fibres that are randomly oriented in the three coordinates. |
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Invention relates to molecularly imprinted polymers selective for at least one tobacco specific nitrosamine (TSNA), the polymer being obtained using materials comprising a TSNA or a structural analogue thereof, a neutral functional group-containing monomer selected from a group comprising 2-hydroxyethylmethacrylate (HEMA), acrylamide, methacrylamide, glycerol monoacrylate and glycerol monomethacrylate, and a hydrophobic cross-linking agent. The invention also describes a method of producing a molecularly imprinted polymer, a smoking article, a tobacco smoke filter and a kit for detecting, quantitative determination and separation of nitrosamines contained in a sample, which include a molecularly imprinted polymer, a method of reducing content of at least one TSNA in a tobacco product and a method of producing tobacco material. |
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Method for reliable movement of filter segments in process of segmented filters manufacture Invention relates to a method for reliable moment of filter segments onto the grouping conveyor in the process of manufacture of segmented filters used in tobacco industry; the process takes places, sequentially, in the prepared segments delivery zone, in the zone where delivered segments are divided by the divisor unit, in the zone where divided segments are intercepted by the transmitting unit, in the zone where segments are moved by the transmitting unit and in the zone where segments are placed by the transmitting unit on the horizontal band of the grouping container; one performs detection of incorrect flow of filter segments within any zone and/or between zones by way of checking the position and/or operation of the mechanisms; when incorrect flow of filter segments is detected within any zone and/or between zones the filter segments movement process is interrupted through retracting the transmitting unit and/or the divisor unit from the band intended for flow of filter segments. |
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Tow filter band, filter packing making machine, method of making tow filter band and filter packing Invention relates to filter packing bans 10, in particular, double packing from laced and twisted filaments making at least two band parts 12a, 12b connected by area 11 of lower lacing density. Note here that binding filaments 13 are hooked in loop-like or hook-like manner to produce intersections 14. Note also that at 20 cm-long band section 10 maximum crosswise separating force for band parts 12a, 12b does not exceed 20 cN. Or, quantity of binding filaments 13 at 20 cm-long band section 10 does not exceed 200 filaments with crosswise loop-like or hook-like binding at application of maximum separating force to filter packing bans 10. |
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Invention relates to transfer system for cigarette core and filter core production machines. Said machine comprises cutting head timed with transfer system core intake assy to allow control over core length. Note here that said system is located between core making machine and that for further processing or transfer of cores. Besides, it comprises deflecting assy to deflect the cores outside the transfer system. Note that said deflecting assy is located between cutting head and core intake assy. |
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Activated carbon from microcrystalline cellulose Invention relates to production of activated carbon. Disclosed is a method of forming activated carbon from microcrystalline cellulose, involving: converting microcrystalline cellulose powder into microcrystalline cellulose granules by mixing microcrystalline cellulose powder with water and extrusion to obtain spherical granules. The method involves carbonisation the microcrystalline cellulose to obtain carbonised microcrystalline cellulose and activation of the carbonised microcrystalline cellulose to obtain activated carbon. Disclosed also is a method of making a smoking article filter which contains the obtained activated carbon granules, and a method of making a smoking article having said filter. |
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Cigarette filter with variable filtration degree Invention relates to a filter with a variable filtration degree; the filter consists of a filtering material and a paper casing; perforating holes in the filter casing are covered with tear-off bands. |
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Invention relates to a mouthpiece-like component connected to the tobacco product. The component may be designed so that to enable alignment to the inserted end of the tobacco product so that smoke passes through the said component during smoking. The component contains a porous material made of cellulose and is impregnated with a water solution containing at least one aldehyde-binding compound with formation of an aldehyde-binding filter. The compound is chosen from cysteine, its derivates and their salts. In the said component attached to the tobacco product the material moisture content is equal to 0.1 - 10 mcl/mg of the filter material. |
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Cigarette filter containing aromatic particles Filtering tip contains a filtering zone including a filtering material and aromatic vegetal particles improving smoke characteristics, dispersed inside the filtering material and chosen from among mint, peppermint, basil, oregano, rosemary, sage, thyme, lavender, hepatica and bergamot. The smoking product contains the filtering tip consisting of one filtering zone segment with ingrained aromatic vegetal particles improving smoke characteristics and one segment of common filtering material, the tip constantly connected to the tobacco core. According to the filtering tip production method, one performs uniform sprinkling of a corresponding quantity of aromatic vegetal particles improving smoke characteristics onto a strap moving edgewise on a mechanical support before the strap shaping in the filtering tip. |
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Filter including electrostatically charged fibrous material Invention relates to a filtering unit for a smoking product; the unit contains an adsorbent (including adsorbent parts that are captured by smoke and contained inside the filter) and a rod made of an electrostatically charged fibrous material downstream the adsorbent; the said rod made of an electrostatically charged fibrous material ensures reduced rupture of the adsorbent parts. |
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Invention relates to a filter for a cigarette or any other smoking product including an essentially cylindrical-shaped porous filtering mouthpiece and a cellulose acetate string formed of cellulose acetate fibres and passing parallel to the filtering mouthpiece cylinder central axis, bulk density of the porous filtering mouthpiece and the cellulose acetate string varying within the range of 50-150 kg/m3 and 400-800 kg/m3 accordingly. |
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Adsorbent for cigarette smoke main flow components and cigarette filter Adsorbent for cigarette smoke main flow components that is contained in the cigarette filter composition includes activated carbon particles. The surface of every activated carbon particle is coated with a water-soluble glucan film. The glucan film is formed of pullulan. Additionally one proposes a cigarette filter containing the said adsorbent for cigarette smoke main flow components. |
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Proposed device comprises filtration long rod feed bin and slitting drum with grooves spaced apart on outer surface to receive said long filtration rods. Transfer mechanism receives long filtration rods from bin to transfer rods to grooves on slitting drum. At least, one cutting blade adjoining slitting drum slits filtration rods into separate filter components in rotation of slitting drum. Proposed method comprises the following stages: feeding rods from bin to slitting drum with grooves on outer surface, turning slitting drum, displacing rods on slitting drum as far as they go to retainers in every groove, and slitting rod into separate filter components. |
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Filtering strap head, method and device for filtering strap head production, filtering strap strip Invention relates to the head of a filtering strap of compressed filtering strap and is characterised by the fact that the filtering strap head contains at least two individual filtering strap strips, conjointly placed in layers, preferably - within the same layer. |
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Tobacco smoke filter and methods of its production FIELD: tobacco industry. SUBSTANCE: tobacco smoke filter has a cylindric cover containing a spiral element with diameter approximately equal to the inner diameter of the cover as well as filtering means placed between the spiral element and the cover. The spiral element contacts the cover to the its inner diameter and is made by means of sideward compressing with the ability to maintain the contact after the compression. Filter production requires the preparation of the cylindric spiral having the inner space inside the spiral volute and outer edge making a cylindrical form. In the specified inner space filter means are located along with wrapped outer edge of the filled spiral cover. Spiral element is used sidewards thus providing its contact with the cover which is preserved after the spiral element copression. EFFECT: this filter provides the increased contact time with the filtering material and expanded space of the filtering material contact surface. 15 cl, 13 dwg |
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Invention relates to a composite material with higher force of adhesion made of at least one polymer and at least one compound selected from silicon dioxide and activated coal, at the same time the specified composite material has the following: average particle size of at least 100 mcm, porous volume (Vd1), formed by pores with diameter from 3.6 to 1000 nm, of at least 0.2 cm3/g, force of adhesion such that content of particles in it with size of less than 100 mcm, produced under air pressure of 2 bar, makes less than 1.5 vol. %, is preferably equal to 0.0%. Also a method to produce a composite material is described, as well as its usage as a liquid medium carrier, a catalyst carrier, an additive or for filtration of liquid or gas, in particular, in cigarette filters. |
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Cigarette filter containing vegetal material and cigarette Invention relates to a cigarette filter containing a natural vegetal material and to a cigarette containing such filter. According to the invention the filter is filled with a natural vegetal material milled into specified size particles; alternatively, the vegetal material is distributed on the filter made of a fibre material. The vegetal material is represented by recovered tobacco leaves, in milled form after drying and in the form of granules. |
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This invention relates to a tobacco smoke filtering element, a filter containing such element and smoking products containing such filter and(or) filtering element. The filtering element has a longitudinally elongated core and a wrapper enclosing the core. The core contains a filtering material while the wrapper contains a dispersed material adherent to two or more areas of the wrapper that are arranged circumferentially with intervals relative each other with at least one of them stretching along the whole of the wrapper longitudinal length. The dispersed material contains one or more sorbents capable to absorb smoke vapour phase components. |
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Cigarette filter (versions) and cigarette with filter Cigarette filter and its versions are designed to soften taste when smoking. The cigarette filter comprises a filtering plug, having a cylindrical body of a wrap, and a filtering material arranged in a cylindrical body. Wrapping of the filtering plug is formed from highly strong and highly permeable paper, longitudinal rigidity of which makes 30 or more, when measured in accordance with the standard JIS P8143, and air permeability makes 1000 units of Coresta or more. Versions are related to a cigarette filter, comprising multiple filtering plugs, which uses highly strong and highly permeable paper as wrapping for a filtering plug to wrap a filtering material and/or as a shaping paper that connects multiple filtering plugs. The invention also relates to a cigarette with a filter. |
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Improved smoking product filter (versions) Invention is related to an improved smoking product filter, in particular, to a cigarette filter. The filter includes the first section containing a smoke-impermeable material with a smoke flow duct longitudinally arranged therethrough, the second section positioned at an interval relative to the first section, the gap providing for smoke passage from the first section to the second one without dispersion of a greater part of its particles prior to reaching second section material. The second section is axially aligned with the first one. The second section contains a core segment enclosed by the circumferential space segment and ventilation holes arranged in the second section or in the interval. One of the sections of the core and the circumferential space contains a filtering material with a high differential pressure. The other of the above sections contains a material with a lower differential pressure. The smoke flow duct is longitudinally aligned with the circumferential space segment or the core segment containing the material with a high differential pressure. In accordance with another version the filter includes the first section containing a smoke-impermeable material with a smoke flow duct longitudinally arranged therethrough, the second section positioned at an interval relative to the first section, the gap providing for smoke passage from the first section to the second one without dispersion of a greater part of its particles prior to reaching second section material. The second section is axially aligned with the first one. The second section has a mouthpiece end on the interval side. The filter has ventilation holes arranged in the second section or in the interval and a smoke-impermeable closure insert connected to the second section end on the interval side. The smoke flow duct is matched to the closure insert. |
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Invention relates to tobacco industry and may be used for production of cigarettes with combined filters as well as separate filters for application in cigarette holders, smoking pipes and so on. The filter for smoking consists of separate sections intended for removal of harmful products of tobacco pyrolysis. The filter contains a section containing a filter-catalytical material for removal of carbon monoxide made of a fibre material filled with a palladium-containing catalyst of low-temperature oxidation of carbon monoxide, particles size no more than 100 mcm, the catalyst content being no less than 15%. The said section is placed behind the section for filtration removal of resinous products along the air flow in the process of smoking. |
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Smoking device with fragile capsule, fragile capsule and its production method Smoking device contains a receiving container holding or capable to hold combustible products, mainly - tobacco. Connected to the receiving container is a filtering element having at least one fragile capsule containing a core and a coating. The capsule initial crushing strength is from 4.9 to 24.5 N. After smoking test the capsule preserves crushing strength from 4.9 to 24.5 N. Before destruction the size of its deformation is less than two thirds of its diametre. The coating contains at least one hydrocolloids represented by gellan gum, agar, alginates, carrageenans, pectins, gum arabic, Ghatti gum, pullulan, mannan gum or modified starch taken singly or in a mixture or in combination with gelatine. The quantity of hydrocolloid in the coating is 1.5 - 95 wt %, predominantly - 4 - 75 wt % and more preferably - 20 - 50 wt % of the coating total weight. The method of such a capsule production involves coextrusion of hydrophilous outer liquid phase and lipophilic inner liquid phase; solidification and/or condensation of the coating surface by way of the capsule maintenance under cold conditions; the capsule final rinsing with an organic solvent; the capsules drying and additionally covering the capsules with at least one moister protecting layer. |
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Smoking product with manually released flavouring Smoking product has an outer surface and multiple fragile microcapsules arranged on the outer surface. The microcapsules are capable to be manually destroyed by the consumer for releasing the flavouring agent which is incapsulated in them. |
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Filter or filtering element contains at least two different additives. Additives are arranged at least in two zones located one behind the other in longitudinal direction of filtering body, and at least in two zones arranged in radial direction of filtering body, at least on separate sections one above the other, in particular, in layers. Additives may be arranged only at least in two zones arranged in radial direction of filtering body, at least on separate sections one above the other, in particular, in layers. Filter or filtering element is made of material flat in initial condition, in particular, from continuous corrugated filaments, paper, fibrous cloth, fabric, nonwoven materials and similar. Filtering body contains at least two zones arranged one behind the other in longitudinal direction of filtering body. Zone at the side of tobacco contains additive, and in zone at side of mouthpiece there are no additives. In method to make filters or filtering elements, filtering body is provided with at least two various additives. Additives are applied onto flat initial material either in the form of strips arranged substantially parallel to each other and in the form of layers above each other, or only in the form of layers above each other. |
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Smoking product core production method and device Invention relates to a method for smoking product core production and an implement for usage in accordance with this method. The core has the first end, the second end and contains a solid substrate inside which substrate passes linearly from the first end to the second end of the core and having at least one area coated and(or) saturated with an additive. For the core production a core formation device is used containing a channel terminating in an open outlet hole so that through at least part of the channel a material may pass to become finally discharged through the core-shaped outlet hole. During the core production one procures: primary material for the core formation, a solid substrate for placement along the core formed, an additive for coating and(or) saturating at least an area of the solid substrate. Primary contact of the solid substrate with the additive occurs inside the core formation device as well as contact of the primary material section with that of the solid substrate. |
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Porous carbon materials, smoking devices and filters thereof containing such materials Porous carbon material is intended for addition to smoke-arresting cigarette filters and has a BET surface area equal to at least 800 m2/g and a porous structure containing mezopores and micropores. The volume of the pores measured by nitrogen absorption is at least 0.9 cm3/g with 15 - 65% of the pores volume falling to the share of mezopores. The material porous structure ensures volumetric density is generally less than 0.5 g/cm3. The material may be produced by way of carbonisation and activation of organic resins and may be shaped in the form of balls for simple handling. |
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System and device for cigarette filter identification System contains a conveyor device for transportation of filter units, an identification section and a controller capable to receive and process signals from the identification section with the help of an I-logical scheme. Each filer unit has a filter area with activated charcoal at its tip. The identification section is capable to detect two activated charcoal filter areas and generate signals reflecting presence and ZD quality of the activated charcoal filter area and absence or deficiency of the activated charcoal filter area. The identification section contains two sensors with each sensor generating a signal which is representative of the activated charcoal filter area. The controller provides for change in the conveyor device operation in case the signals are indicative of absence or deficiency of either or both the activated charcoal filter areas. The invention also deals with a method for detection of defects in smoking product filters; according to this method one performs transportation of filter units through the identification section for detection of two activated charcoal filter areas and generation of signals from the identification section. |
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Flavouring particle and cigarette filter Flavouring particle comprises a carrier particle, glucan film deposited on the carrier particle, and a flavouring. Flavouring agent is retained by the flavouring particle so that emanation of flavour from aromatic substance is inhibited by the glucan film. However, the flavour is released with glucan film which is at least partially destroyed when glucan film is in contact with the main smoke stream. Cigarette filter may include this flavouring particle. |
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Production of filters for tobacco smoke Continuous material that filters tobacco smoke is continuously moved forward in longitudinal direction and compacted to follow shape of rod, and then shaped and fixed in the form of rod, besides method applies periodical pneumatic injection of additive from solid particles via injector channel in side direction into compacting filtering material that moves forward, forming separate inclusions of additive concentrated along continuously produced rod and arranged along it with gaps. |
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Filter for tobacco smoke contains fibres, which comprise regenerated cellulose, for instance lyocell fibres, where adsorbent has been introduced. More than one adsorbent is introduced into fibres of filter for tobacco smoke, and/or filter for tobacco smoke comprises adsorbent between fibres. |
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Tobacco filter or filtering element, containing additives Tobacco filter contains additives applied on surface in the form of fibres, elementary threads or films, at the same time ratio of resistance at tobacco filter draw to mass of additives in tobacco filter is more than 1 mg/daPa, at the same time tobacco filter has channel structure, and filtering material represents an item of flat shape. |
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Cigarette with filter comprises tobacco cord, wrap and filter, which has at least one gas phase-active part, containing at least one gas phase-active substance. Gas phase-active substances are laid in matrix of filtering material. They are placed in amount of at least 75 mg per filter and at least 5 mg/mm of length of gas phase-active part of filter. Cigarette with filter has filter ventilation of not more than 30% (or 30-70%). NFDPM value makes 4-10 mg per cigarette (or 2-4 mg per cigarette), with measurement under smoking conditions according to ISO. Index Q1 of gas phase, defined as mcg of benzene per cigarette/mg of CO per cigarette with measurement under smoking conditions according to ISO, makes less than 1.5, preferably below 1. |
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Cigarette filter comprises material that eliminates hazardous substances and contains double-thread desoxyribonucleic acid and/or powder of corn cores. Invention provides for development of cigarette filter, which is able to efficiently absorb/eliminate carcinogens, for instance dioxins and benzpyrene, from the main stream of smoke produced in smoking, and to preserve taste characteristics of cigarettes and air permeability of cigarette filter. |
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Technical solution under consideration relates to tobacco industry immediately dealing with manufacture of cigarettes with filter. The filtering element is represented by a screw-shaped structure increasing the smoke flow path. The screw-shaped structure is executed in multiple design versions:. consisting of 3-4 blades with a twist angle of 5-25° and position of the filtering element between the blades, with or without a core, with an unlimited number of blades of an absorbent material with or without a core, of longitudinal filaments, thermally or chemically bonded. |
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Method and machine for production of filters for tobacco products Cigarette filters are made with help of machine where textile web made of absorbent carbon fibers is scarpered from a roll and supplied into device for mincing where it is ripped into particles or strings. Those strings or particles are collected by the first block into a steady flow which is led up through upper up-link outlet into the next block with gliding air permeable intake band which pulls and holds strings or particles going through the channel and form continuous current which goes as a band to the intake of block equipped with moulding beam. Covering of continuous current by a paper band is performed along it with forming of continuous filtering core. This core goes through the rotating cutting device which divides it into separate sticks making filters which are connected to cigarettes. |
Another patent 2542081.