WO2009027831A2 - Papier à cigarette à anneaux ondulées - Google Patents

Papier à cigarette à anneaux ondulées Download PDF

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Publication number
WO2009027831A2
WO2009027831A2 PCT/IB2008/002994 IB2008002994W WO2009027831A2 WO 2009027831 A2 WO2009027831 A2 WO 2009027831A2 IB 2008002994 W IB2008002994 W IB 2008002994W WO 2009027831 A2 WO2009027831 A2 WO 2009027831A2
Authority
WO
WIPO (PCT)
Prior art keywords
leading edge
smoking article
wrapper
merlons
crenels
Prior art date
Application number
PCT/IB2008/002994
Other languages
English (en)
Other versions
WO2009027831A3 (fr
WO2009027831A8 (fr
Inventor
Marc W. Rose
Original Assignee
Philip Morris Products S.A.
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40387940&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2009027831(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to CN200880024668.2A priority Critical patent/CN101742930B/zh
Priority to MX2009013837A priority patent/MX2009013837A/es
Priority to NZ581985A priority patent/NZ581985A/xx
Priority to JP2010522470A priority patent/JP5417330B2/ja
Priority to KR1020097026520A priority patent/KR101503550B1/ko
Priority to MYPI20095363A priority patent/MY163992A/en
Priority to EP20080828447 priority patent/EP2180799B1/fr
Application filed by Philip Morris Products S.A. filed Critical Philip Morris Products S.A.
Priority to ES08828447.6T priority patent/ES2544820T3/es
Priority to BRPI0814516-4A2A priority patent/BRPI0814516A2/pt
Priority to AU2008291834A priority patent/AU2008291834B2/en
Priority to CA2691970A priority patent/CA2691970C/fr
Publication of WO2009027831A2 publication Critical patent/WO2009027831A2/fr
Publication of WO2009027831A8 publication Critical patent/WO2009027831A8/fr
Publication of WO2009027831A3 publication Critical patent/WO2009027831A3/fr
Priority to IL202767A priority patent/IL202767A/en

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
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers
    • A24D1/025—Cigars; Cigarettes with special covers the covers having material applied to defined areas, e.g. bands for reducing the ignition propensity
    • 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
    • A24D1/10—Cigars; Cigarettes with extinguishers

Definitions

  • a wrapper for a smoking article herein comprises a base web having a nominal permeability and a banded region with sufficient add-on material such that the wrapper has a permeability at the banded region less than the nominal permeability of the base web.
  • a leading edge of the banded region as seen by an advancing coal is crenellated.
  • FIG. 1 is a perspective view of a smoking article according to this disclosure
  • FIG. 2 is a schematic view of a wrapper paper having a first embodiment of a crenellated banded region
  • FIG. 3 is a schematic view of a wrapper paper having a second embodiment of a crenellated banded region
  • FIG 4 is a schematic view of a wrapper paper having a third embodiment of a crenellated banded region
  • FIG. 5 is a schematic view of a wrapper paper having a fourth embodiment of a crenellated banded region
  • FIG. 6 is a schematic view of a wrapper paper having a fifth embodiment of a crenellated banded region
  • FIG. 7 is a schematic view of a wrapper paper having a sixth embodiment of a crenellated banded region
  • FIG. 8 is a schematic view of a wrapper paper having a seventh embodiment of a crenellated banded region
  • FIG. 9 is a schematic view of a wrapper paper having a eighth embodiment of a crenellated banded region
  • FIG. 10 is a schematic view of a wrapper paper having a ninth embodiment of a crenellated banded region.
  • a smoking article 1 includes a tobacco rod 2.
  • the tobacco rod 2 may include a cut filler 3 of tobacco and is surrounded by wrapper paper 10.
  • One end of the smoking article may include a suitable filter 4 surrounded by suitable filter tipping paper.
  • the smoking article 1 typically may have a generally circular cross section over the length of the smoking article. Nevertheless, other cross-sectional shapes including, for example, oval, are within the scope of this description.
  • the tobacco rod 2 has a nominal length measured from the tipping paper to the free end of the tobacco rod along a longitudinal axis of smoking article. By way of example, that nominal length may lie in the range of about 60mm to about 100mm.
  • the wrapper paper 10 includes a base web which typically is permeable to air. Permeability of wrapper paper is normally identified in Coresta units. A Coresta unit measures paper permeability in terms of volumetric flow rate ⁇ i.e., cnrvVsec) per unit area (i.e., cm 2 ) per unit pressure drop (i.e., cm of water).
  • the base web for conventional wrapper paper also has well- known basis weights, measured in grams per square meter, abbreviated as "gsm”. The permeability and basis weight for the base web of typical smoking article papers commonly used in the industry are set out in the table below:
  • the base web of a preferred wrapper paper has a permeability of at least about 20 Coresta units. Most preferably, the wrapping paper has a permeability greater than about 30 Coresta, such as common base webs having nominal permeabilities of about 33 and about 46 Coresta with a basis weight of about 25 gsm. For some applications, the base web may have a permeability of greater than about 60 Coresta, or greater than about 80 Coresta, or even higher permeability values.
  • banded regions of add-on material as described herein are applied to the wrapper paper to obtain improved ignition propensity characteristics and also to obtain improved self-extinguishment characteristics.
  • Ignition propensity is a standard test conducted as set forth in ASTM E 2187-04, "Standard Test Method for Measuring the Ignition Strength of Smoking articles", which is incorporated herein in its entirety by this reference thereto. Ignition propensity measures the probability that a smoking article, when placed on a substrate, will generate sufficient heat to maintain static burning of the tobacco rod. Low values for ignition propensity are desirable as such values correlate with a reduced likelihood that a smoldering smoking article will cause combustion in an underlying substrate.
  • Self-extinguishment herein is a reference to smoldering characteristics of a smoking article under free burn conditions.
  • a laboratory test is conducted at a temperature of 23°C ⁇ 3°C and relative humidity of 55% ⁇ 5%, both of which should be monitored by a recording hygrothermograph. Exhaust hood(s) remove combustion products formed during testing.
  • smoking articles to be tested are conditioned at 55% ⁇ 5% relative humidity and 23°C ⁇ 3 0 C for 24 hours.
  • the smoking articles are placed in glass beakers to assure free air access.
  • Self-extinguishment testing takes place within an enclosure or test box.
  • a single port smoking machine or an electric lighter is used to ignite the smoking articles for the test.
  • an apparatus or "angle holder” holds the smoking articles to be tested by holding an end at angles of 0 degrees (horizontal), 45 degrees, and/or 90 degrees (vertical). Twenty (20) smoking articles are tested at each of the 0 degrees, 45 degrees, and 90 degrees positions. If more than one apparatus is used, the apparatuses are preferably positioned such that the smoking articles face away from each other to avoid cross interference.
  • an self-extinguishment value of 95% indicates that 95% of the smoking articles tested exhibited self-extinguishment under free burn conditions; while an self-extinguishment value of 20% indicates that only 20% of the smoking articles tested exhibited self-extinguishment under free burn conditions.
  • the self-extinguishment value may be referred to in terms of "self-extinguishment at 0 degrees value”, “ self-extinguishment at 45 degrees value”, or “ self-extinguishment at 90 degrees value”, each of which refers to the value of self-extinguishment at the specified tested angle.
  • the self-extinguishment value may be referred to in terms of " self- extinguishment average value", which refers to an average of the three angular positions: namely, an average of (i) the " self-extinguishment at 0 degrees value", (ii) the " self- extinguishment at 45 degrees value", and (iii) the " self-extinguishment at 90 degrees value”.
  • self-extinguishment value does not distinguish between self-extinguishment at 0 degrees, self-extinguishment at 45 degrees, self-extinguishment at 90 degrees, or self- extinguishment average values and may refer to any one of them.
  • the word 'undulated' as used herein to describe the leading edge of a banded region means that the leading edge has a wave like shape.
  • the wave like shape may be curved or composed of straight line segments, including rectangular or square, and the words encompass 'crenellated'.
  • the term "crenellated” refers to a pattern of multiple, regularly spaced, geometrically shaped spaces removed from an otherwise continuous solid banded region. A crenellated pattern or band can also be described as notched or appearing similar to a pulse wave.
  • crenels refers to openings, or valleys, in a crenellated edge, while “merlons” refer to raised portions, or plateaus of a crenellated edge, between crenels.
  • leading edge refers to the edge of a banded region that is closest to an approaching coal during smoldering of a smoking article whose wrapper contains the banded region
  • trailing edge refers to the edge of a banded region that is farthest from an approaching coal during smoldering of a smoking article whose wrapper contains the banded region.
  • the overall width "W" of the banded region is measured from the furthest forward extent of the leading edge to the furthest trailing extent of the trailing edge, as is illustrated in FIG. 6 with the width "W".
  • a wrapper for a smoking article comprises a base web 10 (see FIG. 2), having a nominal permeability and a plurality of banded regions 12 with sufficient add-on material such that the wrapper has a permeability at the banded region less than the nominal permeability of the base web.
  • a leading edge 14 of each banded region 12 is crenellated.
  • a trailing edge 16 of the banded region may also be crenellated.
  • the banded region 12 may have a leading edge 14 in which the crenels 20 are disposed between merlons 18.
  • the merlons 18 have a dimension in the transverse direction of the base web 10 which is substantially the same as the dimension in the transverse direction of the crenels 20.
  • the merlons 18 and associated crenels 20 may be generally rectangular. If desired, however, the merlons 18 and crenels 20 may have other geometric shapes including, without limitation, quadrilaterals, trapezoids, triangles, hexagons, and other regular or irregular geometric configurations.
  • the distance between the top of a merlon 18 and the bottom of an adjacent crenel 20 may lie in the range of about 2mm to about 5mm, and preferably may be about 3mm.
  • a similarly crenellated arrangement may also be provided.
  • a plurality of merlons 22 may be spaced transversely across the base web 10 and separated from one another by a corresponding plurality of crenels 24.
  • merlons 18 of the leading edge are transversely aligned with crenels 24 of the trailing edge and crenels 20 of the leading edge are transversely aligned with merlons 22 of the trailing edge.
  • the crenels 24 have a cross-web dimension substantially the same as the cross-web dimension of the merlons 18 at the leading edge 14 of the band.
  • the merlons 33 of the trailing edge 16 may have a cross-web dimension substantially the same as the cross-web dimension of the crenels 20 of the leading edge 14.
  • the distance between the top of a merlon 22 and the bottom of an adjacent crenel 24 at the trailing edge may also lie in the range of about 2mm to about 5mm, and preferably may be about 3mm.
  • the merlons 22 and crenels 24 of the trailing edge may be generally rectangular, generally quadrilateral, generally trapezoidal, generally triangular, generally hexagonal, or other geometric configurations.
  • the bottom 21 of the crenels 20 of the leading edge 14 is preferably spaced from the bottom 25 of the crenels 24 of the trailing edge by a distance x lying in the range of about 2 mm to about 5 mm, and preferably in the range of about 3 mm to about 4 mm. With such an arrangement, a substantially continuous band portion of width x extends transversely across the base web 10.
  • the bottom 21 of the crenels 20 of the leading edge correspond to a leading edge of the substantially continuous band portion "x"
  • the bottom of the crenels 24 of the trailing edge correspond to a trailing edge of the substantially continuous band portion "x”.
  • the continuous band portion "x" will provide a region of the base web where the wrapper paper of the smoking article experiences relatively decreased access to air, compared to regions lacking add-on material. Accordingly, the distance x may be adjusted to achieve a desired balance of ignition propensity performance and self-extinguishment performance.
  • Adjacent banded regions 12 and 12' of the paper web 10 are spaced longitudinally from one another by a nominal spacing. That nominal spacing "S" (measured between the rearmost extent of a trailing edge 16 to the forward-most extent of the most-near leading edge 14) may lie in the range of about 10mm to about 30mm.
  • the band period which can be dependent upon the tobacco rod length of the smoking article, can be about 27mm, meaning the nominal spacing would be about 27mm minus the crenulated band width.
  • the spacing minimizes total coated area (i.e., area containing add-on material) in a smoking article, thereby reducing carbon monoxide (CO) levels in mainstream smoke.
  • the cross-directional dimensions of the merlons 18, 22 and the crenels 20, 24 may be substantially equal as depicted in FIG. 2.
  • an integral number of pairs of merlons 18 and crenels 20 have a cross-web dimension corresponding to the nominal circumference of a smoking article.
  • two sets of merlons 18 and crenels 20 may have cross-web dimensions of about 6.2mm so that two pairs of each have a total cross-web dimension of about 24.8mm, which corresponds to the nominal circumference of a smoking article.
  • the crenellated pattern of the banded region 12 will substantially perfectly overlap at a longitudinal seam making the tobacco rod.
  • the pattern when establishing a printing pattern for a roll of crenellated (or sawtooth) paper, the pattern should repeat itself across the roll according to a transverse dimension equal to the nominal circumference of the cigarette that is to bear the pattern, even though the roll may be slit at a slightly greater dimension than the nominal circumference of the cigarette (to provide edge portions for the seam along the tobacco rod). This practice will assure establishment of the pattern as intended on the cigarette regardless of where slitting is initiated or the dimensions of the seam.
  • the cigarette is to have a pattern of eight (8) merlons (or teeth) and the cigarette is to have a nominal circumference of the cigarette of 24.8mm
  • the roll of crenellated (or sawtoothed) paper would be slit every 27mm but the pattern of eight (8) merlons (or teeth) would repeat every 24.8mm.
  • the proportions of the merlons 44 and the crenels 46 of the leading edge 40 are different from the arrangement of FIG. 2.
  • the merlons 44 may have a cross-web dimension of about half the cross-web dimension of the associated crenel 46. Nevertheless, an integral number of pairs of merlons 44 and crenels 46 corresponds to the nominal circumference of smoking article, as discussed above.
  • the height of the merlons 44, or depth of the crenels 46 preferably lies in the same range of values as discussed in connection with FIG. 2.
  • the cross-web dimensions of the trailing edge merlons 50 and the trailing edge crenels 48 are different from the cross-web dimensions of the leading edge merlons 44 and the leading edge crenels 46.
  • an integral number of set of merlons 48 and crenels 50 have a cross web dimension corresponding to the nominal circumference of a smoking article.
  • the cross-web dimension of the crenels 48 is substantially less than the cross-web dimension of the merlons 44 on the opposed portion of the leading edge 40.
  • the depth of the crenels 48, or the height of the merlons 50 lies in the range of dimensions discussed above in connection with FIG. 2.
  • the spacing between the bottom of the crenels 46 on the leading edge and the bottom of the crenels 48 on the trailing edge also lies in the range of dimension discussed above in connection with FIG. 2. Spacing between adjacent banded regions 12 in FIG. 3 also lies in the same range discussed above in connection with FIG. 2.
  • the leading edge 14 of the banded region 12 may have substantially the same characteristics discussed above in connection with FIG. 2.
  • the trailing edge 64 may have merlons 60 having cross-web dimensions substantially greater than the cross-web dimensions of the opposed crenels 20 of the leading edge, while the cross-web dimensions of the trailing edge crenels 62 are substantially less than the cross-web dimensions of the corresponding opposed merlons 18 of the leading edge 14. Spacing between the crenellated leading and trailing edges in FIG. 4, and longitudinal spacing between adjacent banded regions 12 of FIG. 4 are substantially the same as described above in connection with FIG. 2.
  • FIG. 5 illustrates yet another embodiment of the crenellated banded regions in accordance with this disclosure.
  • the leading edge 14 may have the characteristics described above in connection with FIG. 2, or FIG. 3.
  • the trailing edge 70 of the crenellated banded region 12 may be straight. Spacing between the bottom of the crenels 20 and the trailing edge 70 may be selected the same as the spacing between the crenellated regions 20, 24 of FIG. 2.
  • adjacent banded regions 12 (FIG. 5) are preferably spaced as described in FIG. 2.
  • Merlons of the leading edge may have a transverse dimension in the range of about
  • merlons of the leading edge may have a transverse dimension of about 3.1mm, about 4.2mm, or about 6.2mm.
  • Crenels of the leading edge may have a transverse dimension in the range of about 3mm and about 7 mm.
  • crenels of the leading edge may have a transverse dimension of about 3.1 mm, about 4.2mm, about 5.2mm, or about 6.2mm.
  • Merlons of the trailing edge may have a transverse dimension in the range of about 6 mm and about 10 mm.
  • merlons of the trailing edge may have a transverse dimension of about 5.775mm, about 6.2mm, or about 6.775mm.
  • Crenels of the trailing edge may have a transverse dimension in the range of about 1 mm and about 7mm.
  • crenels of the trailing edge may have a transverse dimension of about 1 mm, about 2.1mm, or about 6.2mm.
  • the banded region of a smoking article can comprise an undulated leading edge so as to define an interdigitated leading edge zone 114 (shown between dashed lines z1 and z2) comprising alternating regions of increased 117 and decreased 115 permeability relative to each other.
  • the leading edge zone 1 14 can be crenellated, with the regions of relatively decreased permeability 115 being merlons of the crenellated leading edge zone 114 and the regions of relatively increased permeability being crenels 117 of the crenellated leading edge zone 114, which are preferably regions 117 of no or lesser applications of add-on material.
  • the path of the leading edge 14 is seen to undulate along the leading edge zone 114, and it is envisioned that these undulations could take other wave-forms, such as sinusoidal or triangular wave-forms, instead of a stepped wave form as shown in FIG. 5.
  • the frequency of the undulations may be adjusted to improve SE performance.
  • leading edge zone 114 will improve self-extinguishment performance with little to no impact on ignition propensity performance over a band of similar banded width.
  • the regions of increased permeability 117 are believed to increase airflow to a coal as it approaches the banded region 12.
  • a trailing edge portion of the banded region can also be undulated so as to define an interdigitated trailing edge zone 116 comprising alternating regions of increased 117 and decreased 115 permeability relative to each other.
  • the regions of relatively increased permeability can allow for relatively increased access of air to the base web of the wrapper paper of the smoking article, compared to the regions of relatively decreased permeability.
  • the crenellated band 12 of FIG. 6 has a different shape for the crenellated edges 80. More particularly, the crenellated edge 80 has merlons 18 that are substantially triangular. The triangular merlons 18 are separated by, and define, substantially triangular crenels 20.
  • the trailing edge 82 of the band may be straight. Preferably, however, the trailing edge 82 of the band 12 may also have the triangular crenellation configuration described above in connection with the leading edge 80.
  • the bottoms of the leading edge crenels 20 are spaced longitudinally along the paper web 10 from the bottoms of the trailing edge crenels 20' by a distance w.
  • the longitudinal spacing S between the peaks of merlons of the trailing edge 82 and the peaks of merlons of the subsequent leading edge 80' is greater than the width w of the continuous portion of each band 12.
  • the triangularly crenellated bands 12 are believed to function like conventional band in the region w.
  • the crenellations coupled with the longitudinal interband spacing S cooperate to reduce the carbon monoxide component of smoke in a smoking article fashioned from this wrapper paper.
  • the paper web 10 can be longitudinally slit without concern to the location of the cuts and the paper web 10 will overlay substantially precisely at a longitudinal seam of the wrapper paper.
  • the spacing z may also be adjusted to achieve a desired balance of ignition propensity performance and self-extinguishment performance for the smoking article.
  • the crenellated band 12 of FIG. 7 has a crenellated edge 80 having merlons 18 that are substantially triangular, the triangular merlons 18 separated by, and defining, substantially triangular crenels 20. While, the trailing edge 82 of the band may be straight, in FIG. 7, the trailing edge 82 of the band also has the same triangular crenellation configuration as the leading edge 80. As further illustrated in FIG. 7, the band may be divided into two band portions 112, 112' that are spaced from one another by a "slit" 81.
  • the slit 81 typically does not exceed the widths of the individual band portions 112, 112' as measured in a direction generally parallel to the axis of a smoking article having the bands.
  • the spacing feature provides a "slit" 81 (or discontinuity) in the band structure where there is a lesser amount of or no add-on material.
  • FIGs. 8 and 9 each shows a crenellated bands 12 similar to that of FIG. 7, but with the band divided into three band portions 112, 112', 112" that are spaced from one another along the axis of a smoking article by a pair of slits 81 , 83. Further, the slit 81 between the individual, divided band portions 112, 112' in FIG.
  • FIGs. 8 and 9 differ from each other in the widths of the individual, divided band portions 112, 112", 112", but not the width of the overall crenellated band W.
  • the band 12 has a different shape for the crenellated edges 80.
  • FIG. 10 shows a leading edge that is crenated (i.e., cut into rounded scallops).
  • the scallops 19 i.e., circle segments or angular projections
  • the trailing edge 82 of the band can be straight, crenellated (in accordance with any of FIGs. 1-6), or crenated. It is contemplated that the crenated band of FIG. 10 can further include a "slit" in the band structure, as illustrated in FIGs. 7-9.
  • a band structure can comprise a crenulated (i.e., having an irregularly wavy or serrate outline) leading and/or trailing edge, the band optionally featuring one or more "slits".
  • a smoking article may comprise a tobacco rod and a wrapper as described herein.
  • the wrapper preferably has a dimension in cross-direction that takes into account a circumference of the tobacco rod and an overlapping seam. As a result, regardless of where the wrapper is slit, when forming the smoking article there is always an exact overlap of the crenellated pattern.
  • the leading edge of the banded region preferably comprises at least two crenels and at least two merlons.
  • the leading edge of the banded region can comprise two crenels and two merlons, three crenels and three merlons, or four crenels and four merlons.
  • the low permeability banded regions of add-on material provide areas of film-forming compound along the length of the tobacco rod which can cooperate with a substrate to extinguish the lit smoking article when it is placed on a substrate, yet these areas of film-forming compound do not cause the smoking article to self-extinguish when the smoking article is held by a smoker in a free burn condition.
  • the smoking article can exhibit a reduced ignition proclivity while retaining a desirable free-bum quality or low self-extinguishment value by applying banded regions of film-forming compound to the base web according to this description.
  • the add-on material can be applied to one or to both sides of the base web.
  • banded regions are applied to the base web of the wrapper paper.
  • An object of this description is to provide wrapper papers which, when formed into a tobacco rod, exhibit ignition propensity values no greater than 25 and self-extinguishment values no greater than 50. Even more preferred, is an ignition propensity value for the resulting smoking article no greater than about 15; and the most preferred ignition propensity value for the resulting smoking article is no greater than about 10. Lower self-extinguishment values are also desired. In this connection, a more preferred self-extinguishment value is less than about 25; while the most preferred self-extinguishment value is less than about 10.
  • the transverse dimensions of the wrapper paper are selected based on the diameter of the finished smoking article (about 7mm to about 10mm) and allowing for overlapping material at a longitudinal seam of about 1 mm to about 2mm.
  • the wrapper paper dimension in cross-direction may be about 27mm for a smoking article having a circumference of about 25.6mm.
  • the banded regions may be formed by applying one or more layers of an aqueous film- forming composition to the base web of the wrapper paper to reduce the permeability of the paper in those banded regions.
  • a cellulosic material may also be used to form the banded regions.
  • a film-forming composition preferably may include water and a high concentration of an occluding agent, e.g., 20% to about 50% by weight.
  • the film-forming compound can include one or more occluding agents such as starch, alginate, cellulose or gum and may also include calcium carbonate as a filler. Where starch is the film-forming compound, a concentration of about 24% may be advantageous.
  • the film-forming composition may be applied to the base web of the wrapper paper 24 using gravure printing, digital printing, coating or spraying using a template, or any other suitable technique.
  • the film-forming compounds and methods for applying film- forming compounds described in U.S. Application Publication No. 2007/0102017 A1 may be chosen for applying banded regions to the base web of the wrapper paper.
  • the banded regions of add-on material can be formed by printing multiple, successive layers, e.g., two or more successive layers registered or aligned with one another.
  • the material in layers may be the same of different. For example, one layer may be starch while the next layer may be starch and calcium carbonate.
  • the ability to extinguish the smoking article may depend more on providing minimum lengthwise extent of film-forming compound, rather than a particular weight per area of film-forming compound.
  • the amount of film-forming compound used may be increased without losing a free-bum quality if a burn accelerator is applied to the paper.
  • the banded regions of add-on material reduce permeability of the wrapper paper to the range of from about 0 to about 10 Coresta.
  • a multiple stage printing apparatus as described herein typically includes a reel, first gravure printing station, second gravure printing station, third gravure printing station, collection reel, rollers, impression cylinder, backing roller, nips, reservoir, pump, heat exchanger, applicator, bath, collector, drain, doctor blade, adjustment cylinders, and idler roller.
  • the banded regions, or stripes can be applied to a base web using the same cellulosic material that forms the base web.
  • the banded regions may comprise a slurry of highly refined fibrous cellulose (e.g., fibers, fibrils, microfibrils, or combinations thereof) or other add-on material applied using various spray or coating techniques, including application techniques that utilize a moving orifice applicator at the forming section of a paper-making machine as described in commonly owned US 5 997 691 and US 6 596 125, the contents of which are hereby incorporated by reference in their entirety.

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  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Paper (AREA)

Abstract

L'invention concerne un papier à enrouler un article à fumer, qui comprend une bande support (10) présentant une zone annelée (12) dont le bord avant (14) est ondulé. Le papier à cigarette présente, de préférence, à la fois une faible propension à l'inflammation et des taux d'auto-extinction réduits dans des conditions de combustibilité libre.
PCT/IB2008/002994 2007-08-29 2008-08-18 Papier à cigarette à anneaux ondulées WO2009027831A2 (fr)

Priority Applications (12)

Application Number Priority Date Filing Date Title
CA2691970A CA2691970C (fr) 2007-08-29 2008-08-18 Papier a cigarette a anneaux ondulees
EP20080828447 EP2180799B1 (fr) 2007-08-29 2008-08-18 Papier à cigarette à anneaux en créneaux
NZ581985A NZ581985A (en) 2007-08-29 2008-08-18 Cigarette wrapper with undulated zones of reduced permeability
JP2010522470A JP5417330B2 (ja) 2007-08-29 2008-08-18 波状帯付きシガレット紙
ES08828447.6T ES2544820T3 (es) 2007-08-29 2008-08-18 Papel para cigarrillo con bandas almenado
MYPI20095363A MY163992A (en) 2007-08-29 2008-08-18 Undulated banded cigarette paper
MX2009013837A MX2009013837A (es) 2007-08-29 2008-08-18 Papel para cigarro en banda ondulado.
CN200880024668.2A CN101742930B (zh) 2007-08-29 2008-08-18 波状加条带香烟纸
KR1020097026520A KR101503550B1 (ko) 2007-08-29 2008-08-18 파상의 밴드 궐련지
BRPI0814516-4A2A BRPI0814516A2 (pt) 2007-08-29 2008-08-18 Papel de enrolar cigarro com faixas onduladas
AU2008291834A AU2008291834B2 (en) 2007-08-29 2008-08-18 Undulated banded cigarette paper
IL202767A IL202767A (en) 2007-08-29 2009-12-16 Smoking item and wrapping paper for it

Applications Claiming Priority (2)

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JP (1) JP5417330B2 (fr)
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EP2404512A1 (fr) 2010-07-06 2012-01-11 TEWS Elektronik GmbH & Co. KG Dispositif de fabrication de cigarettes dans l'industrie de traitement du tabac et procédé correspondant
WO2011057743A3 (fr) * 2009-11-10 2012-08-30 Philip Morris Products S.A. Papier à cigarette conditionné sous bandes et aligné, cigarettes et procédé de fabrication
EP3111785A1 (fr) * 2015-07-03 2017-01-04 Reemtsma Cigarettenfabriken GmbH Article à fumer
IT201700023714A1 (it) * 2017-03-02 2018-09-02 Gd Spa Fascetta per l’avvolgimento di un articolo da fumo e metodo di realizzazione di un articolo da fumo mediante l’uso di detta fascetta.
RU2765149C2 (ru) * 2020-01-03 2022-01-26 Кейтиэндджи Корпорейшн Обертка материала для курения, содержащая шелуху зерна, курительное изделие, содержащее такую обертку, и способ производства курительного изделия

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CA2833971A1 (fr) * 2011-05-16 2012-11-22 Altria Client Services Inc. Motifs alternes dans un papier de cigarette, article a fumer et procede
CN103017185B (zh) * 2011-09-21 2015-03-11 湖北中烟工业有限责任公司 一种用于卷烟引燃倾向测试的排烟装置
DE102013114012B3 (de) * 2013-12-13 2014-12-11 Delfortgroup Ag Umhüllungsmaterial für Rauchartikel mit richtungsabhängiger Diffusionskapazität
EP3501304A4 (fr) * 2016-08-17 2020-04-15 Japan Tobacco, Inc. Filtre et produit de tabac

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011057743A3 (fr) * 2009-11-10 2012-08-30 Philip Morris Products S.A. Papier à cigarette conditionné sous bandes et aligné, cigarettes et procédé de fabrication
CN102802452A (zh) * 2009-11-10 2012-11-28 菲利普莫里斯生产公司 对齐的有条带的香烟纸、香烟、及制造方法
EP2404512A1 (fr) 2010-07-06 2012-01-11 TEWS Elektronik GmbH & Co. KG Dispositif de fabrication de cigarettes dans l'industrie de traitement du tabac et procédé correspondant
DE102010026178A1 (de) 2010-07-06 2012-01-12 Tews Elektronik Gmbh & Co. Kg Vorrichtung zur Herstellung von Zigaretten in der tabakverarbeitenden Industrie sowie ein Verfahren hierzu
US9277767B2 (en) 2010-07-06 2016-03-08 Tews Elektronik Gmbh & Co. Kg Device for producing cigarettes in the tobacco processing industry and a method therefore
EP3111785A1 (fr) * 2015-07-03 2017-01-04 Reemtsma Cigarettenfabriken GmbH Article à fumer
WO2017005454A1 (fr) * 2015-07-03 2017-01-12 Reemtsma Cigarettenfabriken Gmbh Article à fumer
IT201700023714A1 (it) * 2017-03-02 2018-09-02 Gd Spa Fascetta per l’avvolgimento di un articolo da fumo e metodo di realizzazione di un articolo da fumo mediante l’uso di detta fascetta.
RU2765149C2 (ru) * 2020-01-03 2022-01-26 Кейтиэндджи Корпорейшн Обертка материала для курения, содержащая шелуху зерна, курительное изделие, содержащее такую обертку, и способ производства курительного изделия

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AU2008291834B2 (en) 2013-05-16
UA100028C2 (ru) 2012-11-12
CN101742930B (zh) 2013-05-08
CA2691970A1 (fr) 2009-03-05
TW200932130A (en) 2009-08-01
RU140921U1 (ru) 2014-05-20
JP2010537628A (ja) 2010-12-09
MX2009013837A (es) 2010-03-25
ES2544820T3 (es) 2015-09-04
NZ581985A (en) 2013-02-22
RU2010111778A (ru) 2011-10-20
BRPI0814516A2 (pt) 2015-02-03
MY163992A (en) 2017-11-15
EP2180799B1 (fr) 2015-05-13
KR101503550B1 (ko) 2015-03-17
ZA200908850B (en) 2010-09-29
IL202767A0 (en) 2010-06-30
TWI435698B (zh) 2014-05-01
CA2691970C (fr) 2016-04-12
PT2180799E (pt) 2015-09-08
WO2009027831A3 (fr) 2009-07-09
WO2009027831A8 (fr) 2009-05-07
EP2180799A2 (fr) 2010-05-05
AU2008291834A1 (en) 2009-03-05
KR20100046108A (ko) 2010-05-06
JP5417330B2 (ja) 2014-02-12
CN101742930A (zh) 2010-06-16
IL202767A (en) 2014-11-30

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