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EP2043464A2 - Article à fumer avec impacteur à plaques - Google Patents

Article à fumer avec impacteur à plaques

Info

Publication number
EP2043464A2
EP2043464A2 EP07804996A EP07804996A EP2043464A2 EP 2043464 A2 EP2043464 A2 EP 2043464A2 EP 07804996 A EP07804996 A EP 07804996A EP 07804996 A EP07804996 A EP 07804996A EP 2043464 A2 EP2043464 A2 EP 2043464A2
Authority
EP
European Patent Office
Prior art keywords
upstream
downstream
plate
impaction
filter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP07804996A
Other languages
German (de)
English (en)
Inventor
Michael Braunshteyn
Rowland W. Dwyer
San Li
Raquel Olegario
Gail Yoss
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philip Morris Products SA
Original Assignee
Philip Morris Products SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philip Morris Products SA filed Critical Philip Morris Products SA
Publication of EP2043464A2 publication Critical patent/EP2043464A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/061—Use of materials for tobacco smoke filters containing additives entrapped within capsules, sponge-like material or the like, for further release upon smoking
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A24D3/045—Tobacco smoke filters characterised by their shape or structure with smoke acceleration means, e.g. impact-filters
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/002—Cigars; Cigarettes with additives, e.g. for flavouring
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0275—Manufacture of tobacco smoke filters for filters with special features

Definitions

  • Cigarettes are typically categorized according to their delivery of tar (nicotine free, dry particulate matter) under standard test procedures such as the one established in 1967 by the Federal Trade Commission (FTC).
  • FTC Federal Trade Commission
  • the FTC method includes machine drawn puffs at 35cm 3 volume for 2-second duration each, at 60-second intervals.
  • ISO International Organization for Standardization
  • MDPH Massachusetts Department of Public Health
  • FIG. 1 is a perspective view of a smoking article in the form of a cigarette.
  • FIG. 2 is a cross sectional view of the smoking article of FIG. 1 with at least one impaction plate.
  • FIG. 3 is a cross sectional view of another embodiment of the smoking article of FIG. 1 with at least one impaction plate and a plug of filtering material having an activated carbon material.
  • FIG. 4 is a view along the line 4-4 of FIGS. 2 and 3.
  • FIG. 5 is a side view of the at least one impaction plate of the smoking article of FIGS. 2 and 3.
  • FIG. 6 is a cross sectional view according to a further embodiment of a smoking article having at least one impaction plate.
  • FIG. 7 is a view along the line 7-7 of FIG. 6.
  • FIG. 8 is a view along the line 8-8 of FIG. 6.
  • FIG. 9 is a cross sectional view of another embodiment of a smoking article having at least one impaction plate.
  • FIG. 10 is a cross sectional view of a further embodiment of a smoking article having at least one impaction plate.
  • FIG. 11 is a cross sectional view of another embodiment of a smoking article having at least one impaction plate.
  • FIG. 12 is a cross sectional view of a further embodiment of a smoking article having at least one impaction plate.
  • FIG. 13 is a view along the line 13-13 of FIG. 12.
  • FIG. 14 is a view along the line 14-14 of FIG. 12.
  • FIG. 15 is a cross sectional view of another embodiment of a smoking article having at least one impaction plate.
  • FIG. 16 is a cross sectional view of a further embodiment of a smoking article having at least one impaction plate.
  • FIG. 17 is a view along the line 17-17 of FIG. 16.
  • FIG. 18 is a view along the line 18-18 of FIG 16.
  • FIG. 1 shows a smoking article 10 in the form of a cigarette according to one embodiment, wherein the smoking article 10 reduces the ratio of total particulate matter (TPM) and tar yield by incorporating a filter system 40 into the cigarette or smoking article 10 that becomes more efficient at removing tar at larger puff volumes.
  • TPM total particulate matter
  • tar yield between MDPH and FTC/ISO methods for a given test cigarette is referenced herein as the "delivery elasticity".
  • smoking articles 10 in the form of cigarettes typically include a tobacco rod 20 of smoking material 21 , contained in a circumscribing outer wrapper 30.
  • the outer wrapper 30 is typically a porous wrapping material or paper wrapper.
  • the smoking material 21 is preferably a shredded tobacco or tobacco cut filler. However, any suitable smoking material 21 can be used.
  • the smoking article 10 also includes a filter system 40 adjacent to the mouth end 14 of the tobacco rod 20 such that the filter system 40 and tobacco rod 20 are axially aligned in an end-to-end relationship, preferably abutting one another.
  • the filter system 40 has a generally cylindrical shape, and the diameter thereof is essentially equal to the diameter of the tobacco rod 20.
  • the ends (i.e., upstream end 16 (FIG. 2) and downstream end 18) of the filter system 40 are open to permit the passage of air and smoke therethrough.
  • the filter system 40 includes a plurality of plugs 42, 46 (FIG. 2) of filtering material and an impaction filter 44 (FIG. 2) circumscribed by a plug wrap 48.
  • the plug wrap 48 is typically a paper, which optionally incorporates a carbonaceous material.
  • the plug wrap 48 circumscribes the total length of the filter system 40.
  • the filter system 40 attaches to the tobacco rod 20 by a tipping material 50, which circumscribes both the entire length of the filter system 40 and an adjacent region of the tobacco rod 20.
  • the tipping material 50 is typically a paper like product; however, any suitable material can be used.
  • the inner surface of the tipping material 50 is fixedly secured to the outer surface of the plug wrap 48 and the outer surface of the wrapping material 30 of the tobacco rod 20, using a suitable adhesive.
  • a ventilated or air diluted smoking article 10 can be provided with an air dilution means, such as a series of ventilation holes or perforations 60, each of which extends through the tipping material 50 and optionally the plug wrap 48.
  • ventilation of mainstream smoke can be achieved with a circumferential row (FIG. 1) or rows of ventilation holes or perforations 60 about a location along the filter system 40.
  • the mainstream smoke is generated by and drawn from the tobacco rod 20 and through the filter system 40.
  • the "upstream” and “downstream” relative positions between the filter system 40 and other features are described in relation to the direction of mainstream smoke as it is drawn from the tobacco rod 20 and through the filter system 40.
  • FIG. 2 shows a cross sectional view of the cigarette of FIG. 1 according to one embodiment of a smoking article 10 with the impaction filter 44 having at least one impaction plate 70.
  • the filter system 40 is comprised of a first or upstream plug 42 of filtering material, an impaction filter 44 and a second or downstream plug 46 of filtering material.
  • the impaction filter 44 comprises a first or upstream impaction plate 70 having at least one orifice 72 (FIG. 4) and more preferably at least two orifices 72.
  • the upstream plug 42 of filtering material and the downstream plug 46 of filtering material have a generally cylindrical shape, and an outer diameter 52 thereof that is essentially equal to the diameter of the tobacco rod 20.
  • the filtering material is preferably cellulose acetate.
  • the filtering material can be comprised of cellulose acetate with an activated carbon mixed throughout (often referred to as carbon-on- tow) or any other suitable filtering material and/or additives such as flavorants.
  • the filter system 40 typically has an overall length 56 of about 15 to 40 mm for a smoking article 10 having an overall length 58 of about 80 to 160 mm.
  • the filter system 40 also can include a plurality of ventilation holes or perforations 60 on either the downstream and/or upstream side of the impaction filter 44.
  • the filter system 40 incorporating the at least one impaction plate 70 into the cigarette or smoking article 10 minimizes the ratio of total particulate matter (TPM) and tar yield by increasing the filtration efficiency for particulates (tar) with the increase of flow rate or puff volume.
  • TPM total particulate matter
  • tar particulates
  • FIG. 3 shows a cross sectional view of another embodiment of the smoking article 10 with at least one impaction plate 70 and an upstream plug 42 of carbon-on-tow 45. As shown in FIG.
  • the filter system 40 is comprised of an upstream plug 42 of filtering material with a cellulose acetate element mixed with an activated carbon material throughout in the form of a carbon-on-tow 45 plug of filtering material.
  • the plugs 42, 46 of filtering material can contain activated carbon in a cavity provided within or adjacent the upstream and downstream plugs 42, 46 of cellulose acetate material.
  • the upstream and downstream plugs 42, 46 of filtering material can contain activated carbon or other gas-vapor phase sorbents.
  • FIG. 4 shows a cross sectional view of the at least one impaction plate 70 of the smoking article 10 of FIGS. 2 and 3 along the line 4-4.
  • the impaction filter 44 comprises an impaction plate 70 having a plurality of orifices 72.
  • the impaction plate 70 preferably has a diameter 110 of about 7.0mm to 8.0mm and more preferably about 7.4mm to 7.8mm.
  • the impaction plate 70 preferably has at least two orifices 72 each having a diameter 112 of about 0.2mm to about 0.8mm and more preferably about 0.3mm to 0.6mm, and most preferably about 0.4mm.
  • the impaction plate 70 can be made of paper, plastic, or metal, and more preferably made of a paper product or other suitable material having degradability properties.
  • the impaction plate 70 preferably is made of foamed cellulose or foamed cellulose acetate or any other type of cellulosic material or cellulose acetate that can be formed into the desired shape of the impaction plate 70.
  • the cellulosic material may be derived from tobacco, such as a cellulosic material derived from tobacco stems.
  • FIG. 5 shows a side view of the at least one impaction plate 70 of the smoking article 10 of FIGS. 2 and 3.
  • the impaction plate 70 preferably has a length 114 of about 2.0mm to 6.0mm and more preferably about 3.0mm to 5.0mm, and an inner length 115 of about 1.0mm to 3.0mm and more preferably about 1.5mm to 2.25mm.
  • the spacing 116 i.e., the difference between the outer length 114 and the inner length 115 divided by 2 is preferably about 1.5mm to about 2.25mm.
  • the spacing 116 created by the difference in the outer length 114 and the inner length 115 forms an upstream cavity 118 and a downstream cavity 119.
  • the upstream cavity 118 is positioned between the upstream plug 42 of filtering material and the impaction filter 44, with the downstream cavity 119 positioned between the impaction filter 44 and the downstream plug 46 of filtering material.
  • FIG. 6 shows a cross sectional view of a smoking article 10 according to a further embodiment having a filter system 40 with an impaction filter 44, which comprises a first or upstream impaction plate 80 and a second or downstream impaction plate 90.
  • the filter system 40 is comprised of a first or upstream plug 42 of filtering material, an impaction filter 44 and a second or downstream plug 46 of filtering material.
  • the impaction filter 44 comprises a first or upstream plate 80 having a plurality of orifices 72.
  • the plurality of orifices 72 as shown in FIG. 7, are equally spaced around an outer perimeter of the first plate 80. However, it can be appreciated that the plurality of orifices 72 can be spaced in any suitable arrangement.
  • a second or downstream plate 90 having a central orifice 92 as shown in FIG. 8 is positioned downstream of the first or upstream plate 80.
  • the upstream plug 42 of filtering material and the downstream plug 46 of filtering material each has a generally cylindrical shape, and an outer diameter 52 thereof that is essentially equal to the outer diameter of the tobacco rod 20.
  • the filtering material is preferably a cellulose acetate material. However, the filtering material can be carbon-on-tow or any other suitable filtering material.
  • the filter system 40 typically has an overall length 56 of about 15 to 40 mm in length for a smoking article 10 having an overall length 58 of about 80 to 160 mm.
  • Each plug 42, 46 of filtering material can have an equal length 54, or the upstream and downstream plugs 42, 46 can have different lengths 54. It can also be appreciated that the length 54 of the upstream and downstream plugs 42, 46 of filtering material can vary depending on additional materials within the filtering material including activated carbons or other gas- vapor phase sorbent or additive materials.
  • the impaction filter 44 comprises an upstream plate 80 (FIG. 7) having a plurality of orifices 72 and a downstream plate 90 (FIG. 8) having a central orifice 92 located an equal distance from an outer perimeter of the downstream plate 90.
  • the upstream and the downstream plates 80, 90 preferably have a thickness 96 (FIG. 9) of about 0.5mm to about 1.5mm and more preferably a thickness of about 1.0mm.
  • the upstream and downstream plates 80, 90 preferably have the same outer diameter 110 as the upstream and downstream plugs 42, 46 of filtering material.
  • the impaction filter 44 preferably has a length 47 of about 3.0mm to about 10.0mm and more preferably about 4.0mm to 7.0mm.
  • the upstream plate 80 and the downstream plate 90 are preferably separated by a distance 49 of about 0.5mm to 2.5mm and more preferably about 0.75mm to about 1.5mm and most preferably about 1.0mm.
  • the upstream plug 42 of filtering material and downstream plug 46 of filtering material have an outer diameter 52 of about 6.5mm to about 8.5mm for an impaction filter 44 having an outer diameter of about 7.4mm to about 7.8mm.
  • the upstream and downstream plugs 42, 46 of filtering material preferably have a length of about 2.5mm to about 20mm, and more preferably about 5mm to 10mm and most preferably about 7mm for a smoking article having a length of about 80mm to 160mm.
  • the upstream and the downstream plates 80, 90 can have an outer diameter 110 of about 6.5mm to about 8.5mm for an impaction filter having an outer diameter of about 7.5mm.
  • the impaction filter 44 preferably has a resistance to draw (RTD) of less than 60mm water gauge.
  • the upstream and downstream plates 80, 90 can be made of paper, plastic or metal of any desired thickness. However, the upstream and downstream plates 80, 90 are preferably made of a paper product for degradability.
  • the upstream and downstream plates 80, 90 are placed between the upstream and downstream plugs 42, 46 of filtering material, which is preferably cellulose acetate. In addition, the upstream and downstream plates 80, 90 are preferably not visible to the smoker.
  • FIG. 7 shows a view of the impaction filter 44 of FIG. 6 along the line 7-7.
  • the upstream plate 80 has a plurality of orifice 72, which are preferably equally spaced along the perimeter of the plate.
  • the upstream plate 80 is comprised of 4 to 12 orifices 72 and more preferably about 8.
  • RTD resistance-to-draw
  • the number of orifices 72 as well as their size and position in the upstream plate 80 depend on the desired resistance-to-draw (RTD) or pressure drop, and efficiency for the impaction filter 44.
  • RTD resistance-to-draw
  • the orifices 72 preferably have a diameter 112 of about 0.2mm to about 0.8mm, and more preferably about 0.4mm.
  • FIG. 8 shows a cross sectional view of the impaction filter 44 of FIG. 6 along the line 8-8.
  • the downstream plate 90 has a centrally located orifice 92.
  • the orifice 92 has a diameter 94 of about 1.0mm to about 3.0mm and more preferably about 2.0mm.
  • FIG. 9 shows a cross sectional view of another embodiment of a smoking article 10 having a filter system 40, wherein the smoking article 10 minimizes the ratio of total particulate matter (TPM) and tar yield by incorporating into the filter system 40 at least one impaction plate 70.
  • the smoking article 10 comprises a tobacco rod 20 of smoking material 21 and a filter system 40 with a series of ventilation holes 60. Ventilation holes 60 dilute the smoke drawn through the smoking article 10. Alternatively, if the smoking article does not have ventilation holes 60 or the holes 60 are covered, the concentration of smoke constituents drawn through the filter system 40 is higher.
  • the ventilation holes 60 as shown in FIG. 9 are positioned upstream of the impaction filter 44. However, it can be appreciated that the ventilation holes 60 can in an alternative embodiment be positioned downstream of the impaction filter 44.
  • the impaction filter 44 as shown in FIG. 9 comprises an upstream plate 80 having a plurality of orifices 72 and a downstream plate 90 having a single centrally positioned orifice 92.
  • the ventilation holes or perforations 60 on the upstream side of the impaction filter 44 minimize the ratio of total particulate matter (TPM) and tar yield by minimizing the flow change through the coal of the tobacco rod 20 and by balancing the tobacco rod 20 flow and filter 40 ventilation flow as a function of the flow rate out of the downstream end 18 of the filter system 40.
  • TPM total particulate matter
  • tar yield a ratio of total particulate matter
  • the gaseous smoke constituents of the mainstream smoke such as carbon monoxide (CO) and nitrogen oxides (NO) can also be reduced.
  • FIG. 10 shows another embodiment of a smoking article 10 similar to FIG. 3 comprising a filter system 40 having an upstream plug 42 of filtering material in the form of a carbon-on-tow material, an impaction filter 44 as shown in FIG. 9 and a downstream plug 46 of cellulose acetate.
  • the series of ventilation holes or perforations 60 are positioned upstream from the impaction filter 44, which is comprised of the upstream and the downstream plates 80, 90.
  • the upstream plug 42 of carbon-on-tow as shown in this embodiment is preferably about 15.0mm to 30.0mm in length, and more preferably about 20mm to 25mm in length.
  • FIG. 11 shows a cross sectional view of another embodiment of a smoking article 10 having a filter system 40 with an impaction filter 44 having upstream and downstream plates 80, 90.
  • the impaction filter 44 is placed upstream from the ventilation holes or perforations 60 (i.e., between the tobacco rod 20 and the ventilation holes 60).
  • the ventilation levels within the smoking article 10 increase with the increase of puff volume as well, and therefore, minimizes the airflow through the coal of the burning tobacco rod 20.
  • the upstream plate 80 reduces the total particulate matter and the downstream plate 90 increases the ventilation as the puff volume increases.
  • FIG. 12 shows a further embodiment of a smoking article 10 as shown in FIG. 11 , wherein the ventilation holes 60 are positioned downstream of the upstream and downstream plates 80, 90.
  • the filter system 40 is comprised of an upstream plug 42 of carbon-on-tow 45, an impaction filter 44, and a downstream plug 46 of cellulose acetate.
  • the impaction filter 44 is comprised of the upstream plate 80 having a plurality of orifices 72 and a downstream plate 90 having a single orifice 92.
  • the plurality of orifices 72 for the upstream plate 80 are preferably 2 to 12 in number and more preferably 4 to 8, and most preferably 4.
  • the plurality of orifices 72 preferably have a diameter 112 of about 0.2mm to 0.6mm and more preferably about 0.4mm.
  • the single orifice 92 is preferably concentrically or centrally positioned within the downstream plate 90 and has a diameter 94 of about 0.5mm to 4mm, and more preferably about 1.0mm to 2.0mm.
  • the upstream plug 42 of carbon-on-tow has a length of about 10mm to 20mm and more preferably about 14 to 16 mm, the impaction filter 44 having a total length of about 5.0mm with a 1.0mm separation between the upstream plate 80 and the downstream plate 90.
  • the downstream plug 46 of filtering material in the form of cellulose acetate has a length of about 10mm to 20mm and more preferably about 15mm.
  • FIG. 13 shows the upstream plate 80 of the smoking article 10 as shown in FIG. 12.
  • the upstream plate 80 has a plurality of orifices 72, which are preferably equally spaced within the perimeter of the upstream plate 80.
  • the upstream plate 80 is comprised of 2 to 12 orifices 72 and more preferably 4.
  • RTD resistance-to-draw
  • the number of orifices 72 as well as their size and position in the upstream plate 80 depend on the desired resistance-to-draw (RTD) or pressure drop, and efficiency for the impaction filter 44.
  • RTD resistance-to-draw
  • the orifices 72 preferably have a diameter 74 of about 0.2mm to about 0.8mm, and more preferably about 0.4mm.
  • FIG. 14 shows the downstream plate 90 of the smoking article 10 as shown in FIG. 12.
  • the downstream plate 90 has a centrally located orifice 92.
  • the orifice 92 has a diameter 94 of about 1.0mm to about 3.0mm and more preferably about 2.0mm.
  • the upstream and downstream plates 80, 90 preferably have the same outer diameter as the cigarette filter system 40 and can be made of plastic, metal, foamed cellulose or a paper material of desired thickness.
  • the number of orifices 72, 92 as well as their size and position in the upstream and downstream plates 80, 90 can be any suitable number to provide a desired resistance to draw (RTD), pressure drop, ventilation levels, and particulate efficiency for the impaction filter 44. If more than one upstream and downstream plate 80, 90 is used, the spacing between the plates 80, 90 can vary depending on the desired efficiency.
  • FIG. 15 shows another embodiment of a smoking article 10 having a filter system 40 comprising an upstream plug 42 of filtering material, an impaction filter 44, a hollow acetate tube filter 100 and a downstream plug 46 of filtering material.
  • the impaction filter 44 is comprised of the upstream plate 80 having a plurality of orifices and a downstream plate 90 having a singe orifice 92.
  • the hollow acetate tube filter 100 is positioned between the impaction filter 44 and the downstream plug 46 of filtering material, (i.e. downstream side of the impaction filter 44).
  • the hollow acetate tube filter 100 is preferably comprised of a cellulose acetate filter 104 with a central or concentric opening 102.
  • the filtering material 104 can be optionally surrounded by a porous wrap 106.
  • the filtering material 104 can also include carbon or other suitable materials.
  • the filter system 40 is preferably comprised of a an upstream plug 42 of cellulose acetate tow of about 7.0mm in length, an impaction filter of about 5.0mm in length, a hollow acetate tube filter 100 of about 15mm in length with a filtering material 104 of cellulose acetate mixed with carbon, and a downstream plug 46 of cellulose acetate tow of about 6.0mm to 8.0mm in length and more preferably about 7.0mm in length.
  • FIG. 16 shows another embodiment of the smoking article 10 having an impaction filter 44 having upstream and downstream plates 80, 90.
  • the downstream plate 90 is coated with microencapsulated flavorants 130.
  • the microencapsulated flavorants 130 are released into the smoke stream.
  • the microencapsulated flavorants 130 are released as a result of the kinetic and other related forces from the high velocity smoke impacting the downstream plate 90.
  • the filter system 40 is comprised of an upstream plug 42 of carbon- on-tow, an impaction filter 44 and a downstream plug 46 of cellulose acetate.
  • the impaction filter 44 is comprised of the upstream plate 80 (FIG. 18) having a plurality of orifices 72 and a downstream plate 90 (FIG. 17) having a single orifice 92 with microencapsulated flavorants 130.
  • the plurality of orifices 72 for the upstream plate 80 preferably are about 2 to 12 in number and more preferably 4 to 8, and most preferably 4 and having a diameter of about 0.2mm to 0.6mm and more preferably about 0.4mm.
  • the single orifice 92 is preferably concentrically or centrally positioned within the downstream plate 90 and has a diameter of about 0.5mm to 4mm, more preferably about 1.0mm to 2.0mm.
  • the upstream plug 42 of carbon-on-tow has a length of about 10mm to 20mm and more preferably about 14mm to 16mm.
  • the impaction filter 44 preferably has a total length of about 5.0mm with a separation of about 0.5mm to 2.0mm and more preferably about 1.0mm between the upstream plate 80 and the downstream plate 90.
  • the downstream plug 46 of filtering material in the form of cellulose acetate has a length of about 10mm to 20mm and more preferably about 15mm.
  • the microencapsulated flavorants 130 can include any suitable material that generates flavor upon impaction from the mainstream smoke. Alternatively, heat from the mainstream smoke can also release the flavorants 130 as a result of expansion, evaporation, distillation, decomposition or other suitable reactions to the mainstream smoke.
  • the flavorants 130 can be a single component or a multi-flavored component that is suitable for use in cigarette manufacturing such as menthol and vanillin.
  • the flavorants 130 can be an aroma of choice, such as peppermint, coconut, roasted, and/or toasted aromas. However, almost any flavor oil or composition can be used.
  • the concentration of flavorants 130, on the downstream plate 90 can be adjusted or modified to provide the desired amount of flavorants 130.
  • the concentration of the flavorants 130, on the downstream plate 90 can vary depending on the desired aroma and/or organoleptic qualities of the tobacco smoker.
  • the flavorants 130 can be encapsulated as a coating or film or within an outer shell wall in the form of a capsule having a suitable shell material such as cyclo-dextrine or other suitable shell material, wherein the capsule is located in the upstream or downstream plugs 42, 46.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

Un article à fumer (10) comprend un système de filtre disposant d'un bouchon en amont (42) de substance filtrante, d'un filtre d'impaction (44) et d'un bouchon en aval (46) de substance filtrante. Le filtre d'impaction comprend au moins une plaque dotée d'au moins un orifice.
EP07804996A 2006-07-12 2007-07-12 Article à fumer avec impacteur à plaques Withdrawn EP2043464A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US83010406P 2006-07-12 2006-07-12
PCT/IB2007/002869 WO2008010091A2 (fr) 2006-07-12 2007-07-12 Article à fumer avec impacteur à plaques

Publications (1)

Publication Number Publication Date
EP2043464A2 true EP2043464A2 (fr) 2009-04-08

Family

ID=38894053

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07804996A Withdrawn EP2043464A2 (fr) 2006-07-12 2007-07-12 Article à fumer avec impacteur à plaques

Country Status (14)

Country Link
US (1) US20080047571A1 (fr)
EP (1) EP2043464A2 (fr)
JP (1) JP2009542249A (fr)
KR (1) KR20090037908A (fr)
CN (1) CN101534664A (fr)
AU (1) AU2007274728B2 (fr)
CO (1) CO6160278A2 (fr)
EA (1) EA015282B1 (fr)
MX (1) MX2009000426A (fr)
MY (1) MY150202A (fr)
NO (1) NO20090644L (fr)
NZ (1) NZ573730A (fr)
UA (1) UA95964C2 (fr)
WO (1) WO2008010091A2 (fr)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8240315B2 (en) * 2005-12-29 2012-08-14 Philip Morris Usa Inc. Smoking article with improved delivery profile
US7987856B2 (en) 2005-12-29 2011-08-02 Philip Morris Usa Inc. Smoking article with bypass channel
NZ571453A (en) 2006-03-28 2011-09-30 Philip Morris Prod Smoking article with a restrictor that reduces carbon monoxide but maintains a high resistance to draw
US8353298B2 (en) * 2006-07-12 2013-01-15 Philip Morris Usa Inc. Smoking article with impaction filter segment
US8424539B2 (en) * 2006-08-08 2013-04-23 Philip Morris Usa Inc. Smoking article with single piece restrictor and chamber
US8235056B2 (en) * 2006-12-29 2012-08-07 Philip Morris Usa Inc. Smoking article with concentric hollow core in tobacco rod and capsule containing flavorant and aerosol forming agents in the filter system
TW200900014A (en) * 2007-03-09 2009-01-01 Philip Morris Prod Smoking article filter with annular restrictor and downstream ventilation
TW200911141A (en) * 2007-03-09 2009-03-16 Philip Morris Prod Super recessed filter cigarette restrictor
TW200911138A (en) * 2007-03-09 2009-03-16 Philip Morris Prod Smoking articles with restrictor and aerosol former
TW200911143A (en) * 2007-03-09 2009-03-16 Philip Morris Prod Restrictor attachment for unfiltered smoking article
RU2585247C2 (ru) * 2008-02-07 2016-05-27 Филтрона Интернэшнл Лимитед Фильтр для курения табака
EP2113178A1 (fr) * 2008-04-30 2009-11-04 Philip Morris Products S.A. Système de fumée chauffé électriquement avec une portion de stockage liquide
US20100059072A1 (en) * 2008-09-09 2010-03-11 Steve Woodson Ventilated smoking material perforation apparatus, method and product
US20100059075A1 (en) * 2008-09-09 2010-03-11 Steve Woodson Ventilated smoking material perforation apparatus and method
GB0821803D0 (en) * 2008-12-01 2009-01-07 British American Tobacco Co Smoking article filter
ZA200901679B (en) 2009-03-09 2015-08-26 Tobacco Res And Development Institute (Pty) Ltd Apparatus for introducing objects into filter rod material
US8424540B2 (en) * 2009-10-09 2013-04-23 Philip Morris Usa Inc. Smoking article with valved restrictor
US20110083687A1 (en) * 2009-10-09 2011-04-14 Philip Morris Usa Inc. Cigarette filter to reduce smoke deliveries in later puffs
AR080556A1 (es) 2009-10-09 2012-04-18 Philip Morris Prod Diseno de filtro para mejorar el perfil sensorial de articulos para fumar con boquilla de filtro de carbono
US8905037B2 (en) * 2009-10-15 2014-12-09 Philip Morris Inc. Enhanced subjective activated carbon cigarette
EP2319334A1 (fr) * 2009-10-27 2011-05-11 Philip Morris Products S.A. Système de fumage ayant une partie de stockage de liquide
TW201204272A (en) * 2010-03-26 2012-02-01 Philip Morris Prod Smoking articles with significantly reduced gas vapor phase smoking constituents
ZA201008663B (en) 2010-12-01 2014-08-27 Tobacco Res And Dev Inst (Pty) Ltd Feed mechanism
CN102389164A (zh) * 2011-08-08 2012-03-28 红塔烟草(集团)有限责任公司 设有半球形吸阻棒的导流滤棒
CN102389165A (zh) * 2011-08-08 2012-03-28 红塔烟草(集团)有限责任公司 设有吸阻片的香烟滤棒
MX358384B (es) * 2011-12-08 2018-08-16 Philip Morris Products Sa Un dispositivo generador de aerosol con boquillas de flujo de aire.
US9854839B2 (en) 2012-01-31 2018-01-02 Altria Client Services Llc Electronic vaping device and method
UA116199C2 (uk) 2012-02-22 2018-02-26 Олтріа Клайєнт Сервісиз Інк. Електронний виріб для паління та поліпшений нагрівальний елемент
AT513411B1 (de) * 2012-09-17 2015-05-15 Tannpapier Gmbh Mundstückbelagspapier für eine Filterzigarette
US20160146900A1 (en) * 2014-11-24 2016-05-26 Hyundai Mobis Co., Ltd. Battery sensor assembly for vehicle
EP3284354B1 (fr) 2015-04-06 2022-05-04 Japan Tobacco Inc. Inhalateur d'arôme
CN106490678A (zh) * 2016-10-26 2017-03-15 中国烟草总公司郑州烟草研究院 一种滤嘴中设有挡板的卷烟
KR20210021291A (ko) * 2018-06-22 2021-02-25 필립모리스 프로덕츠 에스.에이. 에어로졸 발생 기재의 중공형 로드를 포함하는 에어로졸 발생 물품
KR20240091093A (ko) 2018-06-26 2024-06-21 차이나 토바코 후난 인더스트리얼 코포레이션 리미티드 냉각 필터 로드 및 그 적용
GB201817584D0 (en) * 2018-10-29 2018-12-12 Nerudia Ltd Smoking substitute consumable
GB201817558D0 (en) * 2018-10-29 2018-12-12 Nerudia Ltd Smoking substitute consumable
GB201817569D0 (en) * 2018-10-29 2018-12-12 Nerudia Ltd Smoking substitute consumable
CN111920089B (zh) * 2020-09-14 2022-05-24 河南中烟工业有限责任公司 一种增香滤棒及其制备方法
KR102581005B1 (ko) * 2021-01-12 2023-09-21 주식회사 케이티앤지 흡연물품용 팁페이퍼의 코팅방법 및 이에 따라 제조된 흡연물품

Family Cites Families (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2511898A (en) * 1950-06-20 Cigarette holder
US2547119A (en) * 1947-04-08 1951-04-03 James J Henderson Cigarette
US2764513A (en) * 1954-04-02 1956-09-25 Abe R Brothers Cigarette with means for removing deleterious products of combustion
US2954778A (en) * 1956-11-16 1960-10-04 Mac Farland Aveyard & Company Auxiliary filtration means for filter-type cigarettes
US2954772A (en) * 1957-05-28 1960-10-04 Mac Farland Aveyard & Company Removal of tar and other deleterious substances from tobacco smoke
US2954786A (en) * 1958-05-19 1960-10-04 Macfarland Aveyard & Company Tobacco tar removal structure
US2954783A (en) * 1958-06-12 1960-10-04 Mac Farland Aveyard & Company Filter type tobacco smoking structure for removal of tar
US3269394A (en) * 1963-11-26 1966-08-30 Jr Joseph A Curtis Smoking accessory
CH426594A (de) * 1964-03-10 1966-12-15 Ent Keller Hans Filteranordnung für Rauchwaren
US3323525A (en) * 1964-07-14 1967-06-06 Achilles Corp Cigarette holder
US3318312A (en) * 1964-07-27 1967-05-09 Jr Joseph A Curtis Cigarette assembly
US3234949A (en) * 1964-09-18 1966-02-15 Oswald C Svehaug Cigarette construction
US3389705A (en) * 1966-04-29 1968-06-25 Levavi David Cigarette smoke filter device
US3441028A (en) * 1967-03-27 1969-04-29 Byron T Wall Apparatus for and method of removing condensible compounds from tobacco smoke
US3496945A (en) * 1967-03-31 1970-02-24 Abraham Emil Tomkin Air-admixed cigarette utilizing restrictive-flow orifice
GB1265966A (fr) * 1968-11-27 1972-03-08
US3504677A (en) * 1969-02-19 1970-04-07 Max J Doppelt Cigarette and/or cigarette holder
US3599646A (en) * 1969-04-30 1971-08-17 American Filtrona Corp Cigarette filter
US3646941A (en) * 1969-09-15 1972-03-07 E A Carey Pipe Co Cigarette and/or cigarette holder
US3648712A (en) * 1970-01-29 1972-03-14 Celanese Corp Cigarette filter construction
US4197863A (en) * 1974-05-02 1980-04-15 Benjamin Clayton Tobacco smoke filter
US3877470A (en) * 1974-05-02 1975-04-15 Bio Gant Corp Smoker{3 s filter device
US4038994A (en) * 1975-11-10 1977-08-02 Aikman Leslie N Tobacco smoke filter unit
US4091821A (en) * 1976-11-02 1978-05-30 Scorzo Samuel P Smoking article having an ignition suppression disk
US4158364A (en) * 1977-09-22 1979-06-19 Albert P. Marinko Tobacco smoke filter
US4469112A (en) * 1980-09-08 1984-09-04 Celanese Corporation Compound filter
US4460001A (en) * 1980-09-08 1984-07-17 Celanese Corporation Process for preparing compound filter
US4343319A (en) * 1980-11-28 1982-08-10 Brown & Williamson Tobacco Corporation Cigarette filter
US5392793A (en) * 1981-10-25 1995-02-28 Rothmans International Services Limited Smoking article with means to raise temperature of smoke
US4564030A (en) * 1982-07-16 1986-01-14 Loew's Theatres, Inc. Cigarette filter assembly
GB8309451D0 (en) * 1983-04-07 1983-05-11 Gallaher Ltd Buccal and device for smoking rod
US4506683A (en) * 1983-05-09 1985-03-26 Brown & Williamson Tobacco Corporation Ventilated mouthpiece for a smoking article
US4559955A (en) * 1983-06-20 1985-12-24 Link Electronics Ltd Controlled air bleed cigarette holder
US4646762A (en) * 1983-12-05 1987-03-03 Brown & Williamson Tobacco Corporation Cigarette having a mouthpiece
US4620553A (en) * 1984-05-22 1986-11-04 Imperial Group Public Limited Company Tobacco smoke filters
US4617946A (en) * 1984-11-09 1986-10-21 Brown & Williamson Tobacco Corporation Tobacco smoke mouthpiece and method of making same
CH665756A5 (de) * 1985-05-20 1988-06-15 Tobacco Res & Dev Zigarette.
CH669309A5 (fr) * 1985-08-26 1989-03-15 Baumgartner Papiers Sa
US4687008A (en) * 1986-04-17 1987-08-18 Philip Morris Incorporated Filter cigarette
US4700726A (en) * 1986-05-02 1987-10-20 R. J. Reynolds Tobacco Company Cigarette rods having segmented sections
US4949736A (en) * 1988-03-16 1990-08-21 R. J. Reynolds Tobacco Company Variable ventilation mouthpiece for a smoking article
GR1000349B (el) * 1989-07-21 1992-06-25 Bat Cigarettenfab Gmbh Φίλτρο Σιγαρέττου.
US5152304A (en) * 1989-10-31 1992-10-06 Philip Morris Incorporated Wrapper for a smoking article
GB9023368D0 (en) * 1990-10-26 1990-12-05 Rothmans International Ltd Smoking article
GB9214267D0 (en) * 1992-07-04 1992-08-19 British American Tobacco Co Improvements relating to smoking articles
US5435326A (en) * 1993-07-27 1995-07-25 R. J. Reynolds Tobacco Company Controlled delivery smoking article and method
DE19536505A1 (de) * 1995-09-29 1997-04-10 Biotec Biolog Naturverpack Biologisch abbaubares Filtermaterial und Verfahren zu seiner Herstellung
DE19718296B4 (de) * 1997-04-30 2006-06-29 British American Tobacco (Germany) Gmbh Ventilierte Filtercigarette mit einem koaxialen Filterelement
IT1297058B1 (it) * 1997-09-23 1999-08-03 Luparini Alessandro Leonetti Sigaretta dotata di dispositivo inerziale-ipobarico atto al trattenimento del catrame contenuto nel fumo di tabacco e/o
US6345625B1 (en) * 1997-12-06 2002-02-12 Kar Eng Chew Filter for secondary smoke and smoking articles incorporating the same
US7240678B2 (en) * 2003-09-30 2007-07-10 R. J. Reynolds Tobacco Company Filtered cigarette incorporating an adsorbent material
US20070261706A1 (en) * 2004-12-15 2007-11-15 Ashesh Banerjea Cigarette with carbon on tow filter
US8424539B2 (en) * 2006-08-08 2013-04-23 Philip Morris Usa Inc. Smoking article with single piece restrictor and chamber
TW200911141A (en) * 2007-03-09 2009-03-16 Philip Morris Prod Super recessed filter cigarette restrictor
TW200911143A (en) * 2007-03-09 2009-03-16 Philip Morris Prod Restrictor attachment for unfiltered smoking article
EP2253231A1 (fr) * 2009-05-18 2010-11-24 Philip Morris Products S.A. Article à fumer avec élément de restriction de flux amélioré

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2008010091A2 *

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EA200970117A1 (ru) 2009-06-30
WO2008010091A2 (fr) 2008-01-24
CO6160278A2 (es) 2010-05-20
AU2007274728B2 (en) 2012-06-28
WO2008010091A3 (fr) 2008-04-03
MY150202A (en) 2013-12-13
AU2007274728A1 (en) 2008-01-24
UA95964C2 (ru) 2011-09-26
JP2009542249A (ja) 2009-12-03
CN101534664A (zh) 2009-09-16
NZ573730A (en) 2011-03-31
KR20090037908A (ko) 2009-04-16
US20080047571A1 (en) 2008-02-28
MX2009000426A (es) 2009-01-29
EA015282B1 (ru) 2011-06-30
NO20090644L (no) 2009-03-06

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