EP0325920B1 - Cigarette à extinction rapide ou automatique - Google Patents

Cigarette à extinction rapide ou automatique Download PDF

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Publication number
EP0325920B1
EP0325920B1 EP89100190A EP89100190A EP0325920B1 EP 0325920 B1 EP0325920 B1 EP 0325920B1 EP 89100190 A EP89100190 A EP 89100190A EP 89100190 A EP89100190 A EP 89100190A EP 0325920 B1 EP0325920 B1 EP 0325920B1
Authority
EP
European Patent Office
Prior art keywords
cigarette
zones
paper
impressed
cigarette according
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.)
Expired - Lifetime
Application number
EP89100190A
Other languages
German (de)
English (en)
Other versions
EP0325920A1 (fr
Inventor
Edgar Mentzel
Wolfgang Wildenau
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.)
Reemtsma Cigarettenfabriken GmbH
Original Assignee
HF and PhF Reemtsma GmbH and Co
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 HF and PhF Reemtsma GmbH and Co filed Critical HF and PhF Reemtsma GmbH and Co
Publication of EP0325920A1 publication Critical patent/EP0325920A1/fr
Application granted granted Critical
Publication of EP0325920B1 publication Critical patent/EP0325920B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

  • the invention relates to quick or self-extinguishing cigarettes, the tobacco rod of which is surrounded by a casing made of cigarette paper, which has areas with lower and higher air permeability in the form of pattern-like, preferably ring-like zones.
  • Such cigarettes are known, for example, from DE-OS 2559071, the cigarette paper being said to have zones of lower porosity in a range up to 100 and zones of higher porosity in a range from 150 to 2000 with an average porosity of 50 to 500 units, these units being in cm3min ⁇ 1 each 10 cm2 and at a pressure of 10 cm water column were determined.
  • a controlled burning rate and / or an increased number of puffs should be made possible by the ring-like zones of changing porosity.
  • the air permeability P is now given according to DIN ISO 2965 as the amount of air in cm3 per minute, per cm2 and per kPa; it is calculated from the ratio of the volume flow of air in cm3 / min that crosses the test sample to the product of the test surface of the test sample in cm2 and the pressure difference between the two surfaces of the test sample in kPa and was previously also called the "Coresta value" specified.
  • a cigarette paper is used whose areas of lower porosity correspond to an air permeability value of up to 10 P and preferably 5 P, while the areas of higher porosity have a value of 15 to 200 P with a total porosity of this cigarette paper of 5 to 50 P to have.
  • the reduction in porosity in the areas of lower porosity can be achieved starting from paper with high porosity by applying gel-forming agents, such as glue, methyl cellulose, gums or lacquers and varnishes; it is also possible to perforate the cigarette papers with a porosity of about 3.6 P, which are said to be slightly porous, electrostatically or by pressure rollers or marking presses in order to achieve zones of higher porosity, the average porosity being approximately 24 P.
  • gel-forming agents such as glue, methyl cellulose, gums or lacquers and varnishes
  • the smoldering speeds of one of these known cigarettes is, for example, 3.2 mm / min with a number of puffs of 9.7, while the corresponding comparative cigarette with conventional paper with an average porosity of about 26 P has a higher smoldering speed of 4.2 mm / min and one has a lower number of moves of 7.5.
  • DE-PS 1761500 It is also known from DE-PS 1761500 to compact areas in the form of a lattice or waffle-like pattern, e.g. a silicate paste, and to reinforce the crossing points with an incombustible material, in particular to prevent the ash from falling off.
  • a lattice or waffle-like pattern e.g. a silicate paste
  • the object of the invention is therefore to propose a cigarette whose glowing zone goes out automatically after a glow time without train of less than about 210 seconds or after a glow of less than 6 mm. Furthermore, the cigarette should also have a lower sidestream smoke, whereby the overall behavior of the cigarette with regard to the number of puffs and the smoldering speed from batch to batch should be constant and correspond to conventional cigarettes in all other properties, and ultimately the quality of the tobacco aroma entering the mouth should not be impaired .
  • the surprising fulfillment of the task requirements is based on the knowledge that two criteria are essential for the characterization of conventional cigarette papers and for the cigarettes produced with them, namely the porosity or air permeability and the glow rate or glow time.
  • the porosity determines the degree of ventilation, the glow rate of the paper and the speed of the glow of the cigarette as well as the combustion rate and therefore the number of puffs, provided that the smoking conditions are standardized.
  • the porosity refers only to the paper, while at the glow rate a distinction must be made between paper and cigarette smoldering speed.
  • the multiple batonning brings the porosity in the batonned areas to almost zero, while the total porosity of the cigarette paper, which is batonned in some areas, is below 4 P.
  • This total porosity lies considerably below the minimum values of conventional cigarette paper and below those of the preferred ring-like areas according to the state of the art, which are considered to be low permeability and which were regarded as the lower limit with regard to their just sufficient glow rate in order to maintain consumer-friendly smokability.
  • the bathing can be done on one or on the other side of the paper, or on both sides.
  • the zones compacted by the batonning are preferably ring-shaped, the formation of embossing zones along the cigarette axis, in particular in the case of linear embossing zones, is technologically easier to handle because of the control of the discrete zones to be batonned multiple times, since the possibility of multiple batonning transversely to the running direction of the cigarette paper there is that the embossing rollers do not exactly hit the same embossed area previously embossed. You then get the cigarette instead of a discontinuous glow rate with cigarette paper with transverse batons, a continuous glow rate with cigarette paper with longitudinal batons. This can, however, be compensated for by zig-zag or wave-shaped patterns.
  • the advantage of batonning in the longitudinal direction is the avoidance of so-called glow bridges, although an irregularity in the burn-up zone must be accepted, which, however, only interferes optically.
  • the constancy of the glow rate of the cigarette paper batinated in accordance with the invention in the lower porosity range is particularly surprising.
  • the glow rate increases with increasing porosity, but the increase in the range from air permeability values to 5 P corresponds to a very steep curve which only changes into a proportionally increasing straight line at higher P values. Since these values fluctuate from batch to batch with conventional cigarette paper with low air permeability, even small changes of 1/10 P have a considerable influence on the glow rate.
  • a cigarette paper with air permeability values of 15 P which is reduced by batonning below 4 P, the small manufacturing-related changes in the P values play practically no role.
  • Another advantage of the cigarettes according to the invention is that the cigarette properties can be controlled without additives to the tobacco or the wrapper. Furthermore, the configuration of the cigarette paper according to the invention with compression zones can be included in the manufacturing process of the paper and the cigarette, so that this measure for controlling cigarette properties can be carried out extremely inexpensively.
  • Batoning cigarette paper is known per se and e.g. mentioned in "Tobacco Encyclopedia” by E. Voges (1984); it is done by embossing the paper on filigree calender. The paper is guided between an embossing roller and a more flexible or elastic hard paper roller, the dry or semi-dry paper being compressed at the embossed points.
  • This embossing embosses company or monopoly signs whereby the paper is denser in the embossed areas and the embossed sign appears dark on a light background when viewed from the cigarette and looks light on a white background when looking through the paper and gives the impression of an imitation Watermark results.
  • the intensity of the bathing can be influenced by setting the absolute paper moisture in a range from about 1 to 10%, by the pressure applied from about 5 to 3000 Newton / cm and at different temperatures in the range from room temperature up to 95 ° C.
  • an embossing calender which consists of an upper pressure roller, a counter-pressure roller arranged underneath and an embossing roller below this, a lower counter-pressure roller underneath and a rigidly arranged lower pressure roller.
  • the pressure rollers are mostly steel rollers with a diameter of 32.0 cm and a working width of 119 cm, while the counter-pressure rollers which come into engagement with the embossing roller are rollers with a diameter of 27.0 cm and a working width of 119 cm covered with paper.
  • the embossing roller itself is an engraved steel roller with a diameter of, for example, 19.4 cm and a working width of 118 cm, on the circumference of which there are provided raised webs which, depending on the desired coating, have a single width of 0.05 cm and a distance of, for example 0.05 cm, but also from Web to web can cause different embossing if the webs are wider or higher.
  • the cigarette paper is drawn in via a decoiler in a working width of 100 cm in the press nip between the embossing roller and the lower counter-pressure roller, the web running being continuously controlled via side regulation and paper guide rollers, and the paper is optionally wound up with an intermediate spreader after the batoning.
  • the rewind is usually carried out at a speed of 100 to 200 m / min, with the drive of the roller combination being synchronized. Particularly good results are achieved at working temperatures between 30 to 50 ° C and a paper moisture content of 5 to 7% in absolute terms.
  • Batoning the cigarette paper can also take place during the manufacture of the cigarette itself and is then carried out outside or directly in the cigarette machine, the embossing calenders having a much smaller working width corresponding to the finished cigarette paper and consequently also being smaller and a smaller working width corresponding to the finished have cut cigarette paper and manage with lower working pressures.
  • the zone attachment device is, for example, between the cigarette paper bobbin and the format finger of a conventional cigarette machine, so that cycle times or adjustments of the cigarette paper to be charged accordingly can be carried out more easily.
  • the stamping mechanism of the cigarette machine can also be coupled directly or synchronously with the charging attachment.
  • Cigarettes with a cigarette paper with an initial air permeability of approximately 2.5 P (Table A) and approximately 6.6 P (Table B) were adjusted to a low total air permeability by multiple batting.
  • the cigarette paper had a total fiber content of about 66% and a filler content of about 34%, which consisted essentially of calcium carbonate and a small amount of titanium oxide.
  • Sodium acetate was added as the glow salt.
  • a glow salt content of 0.7% and an ash content of about 18% this cigarette paper met the usual specifications.
  • This cigarette paper was batonned transversely to the direction of travel in zones of 0.4 mm width, each with a spacing of 1 mm.
  • the smoldering time could not be determined in seconds per 50 mm length of the cigarette, because the cigarette went out after 27 mm with non-baton paper and even after 6 to 1.5 mm with baton paper. With the values in Table B, however, these glow times could be measured until the second batonnier; the equivalent parameters, namely the extinction in mm and seconds, could only be measured after the third batonnier.
  • Table B also show a significant decrease in air permeability in accordance with the number of baton steps, as well as a significant increase in the glow time of the cigarette up to the self-extinguishing effect after the third baton step with a very constant number of puffs.

Landscapes

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

Claims (12)

1. Cigarette à extinction rapide ou autonome, dont le rouleau de tabac est entouré par une enveloppe en papier à cigarette, qui présente des surfaces de perméabilité à l'air plus ou moins élevées se présentant sous forme de zones en forme de dessin, caractérisée en ce que le papier à cigarette a été réglé sur une perméabilité globale à l'air moyenne inférieure à 4 P par une ou plusieurs opérations d'estampage des zones en forme de dessin considérées au départ d'une perméabilité de sortie d'air inférieure à 15 P, P étant mesuré par le débit en cm³, par minute, en cm² et par kPa, d'air (selon la norme DIN 2965).
2. Cigarette selon la revendication 1, caractérisée en ce que le papier à cigarette, au départ d'une perméabilité de sortie d'air de 2 à 5 P, a été réglé par estampage linéaire à une perméabilité globale de l'air inférieure à 2 P.
3. Cigarette selon la revendication 1 ou 2, caractérisée en ce que les zones densifiées par estampage linéaire ont une forme annulaire.
4. Cigarette selon l'une des revendications 1 à 3, caractérisée en ce que les zones annulaires densifiées par estampage linéaire ont une largeur d'environ 0,1 à 8 mm et un écartement de 0,1 à 5 mm.
5. Cigarette selon la revendication 4, caractérisée en ce que les zones annulaires densifiées ont une largeur d'environ 0,3 à 0,5 mm et un écartement de 1 mm.
6. Cigarette selon les revendications 3 et 4, caractérisée en ce qu'aussi bien les largeurs d'estampage que les écarts entre ces zones annulaires estampées linéairement sur une cigarette sont de dimensions différentes.
7. Cigarette selon la revendication 6, caractérisée en ce que les largeurs d'estampage diminuent, avec des écarts égaux jusqu'au filtre.
8. Cigarette selon la revendication 6, caractérisée en ce que les largeurs d'estampage étant égales, les écarts augmentent jusqu'au filtre.
9. Cigarette selon les revendications 1 à 8, caractérisée en ce que les zones d'estampage sont, le cas échéant, en forme de lignes, d'ondes, de losanges ou de zigzags avec des interruptions.
10. Cigarette selon les revendications 1 et 2, caractérisée en ce que les zones d'estampage sont, le cas échéant, en forme de lignes, d'ondes, de losanges ou de zigzags, avec des interruptions dans le sens longitudinal de la cigarette.
11. Cigarette selon les revendications 1 à 10, caractérisée en ce que les zones d'estampage sont produites par estampage linéaire des deux faces du papier à cigarette.
12. Cigarette selon la revendication 3, caractérisée en ce que le nombre des zones estampées peut être choisi à volonté et qu'il peut également n'y avoir qu'une zone.
EP89100190A 1988-01-29 1989-01-07 Cigarette à extinction rapide ou automatique Expired - Lifetime EP0325920B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3802645A DE3802645A1 (de) 1988-01-29 1988-01-29 Schnell oder von selbst erloeschende cigarette
DE3802645 1988-01-29

Publications (2)

Publication Number Publication Date
EP0325920A1 EP0325920A1 (fr) 1989-08-02
EP0325920B1 true EP0325920B1 (fr) 1991-07-31

Family

ID=6346237

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89100190A Expired - Lifetime EP0325920B1 (fr) 1988-01-29 1989-01-07 Cigarette à extinction rapide ou automatique

Country Status (7)

Country Link
US (1) US4945932A (fr)
EP (1) EP0325920B1 (fr)
JP (2) JPH0265769A (fr)
AT (1) ATE65672T1 (fr)
AU (1) AU613144B2 (fr)
CA (1) CA1316067C (fr)
DE (1) DE3802645A1 (fr)

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JP5876220B2 (ja) * 2008-02-22 2016-03-02 シュヴァイツア マードゥイット インターナショナルインコーポレイテッドＳｃｈｗｅｉｔｚｅｒ Ｍａｕｄｕｉｔ Ｉｎｔｅｒｎａｔｉｏｎａｌ Ｉｎｃ．， 喫煙物品の発火性特性を低減するための巻紙上の処理領域
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AR091068A1 (es) 2012-05-16 2014-12-30 Altria Client Services Inc Diseño de envoltura de cigarrillo
EP2849585B1 (fr) 2012-05-16 2022-02-23 Altria Client Services LLC Nouveau papier à cigarette à bague doté de bagues de zone ouverte
JP6335180B2 (ja) 2012-10-11 2018-05-30 シュバイツァー モウドゥイ インターナショナル インコーポレイテッド 低減された着火傾向特性を有する巻装材

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Also Published As

Publication number Publication date
AU2884889A (en) 1989-08-03
DE3802645A1 (de) 1989-08-10
US4945932A (en) 1990-08-07
JPH01225473A (ja) 1989-09-08
CA1316067C (fr) 1993-04-13
DE3802645C2 (fr) 1990-06-07
EP0325920A1 (fr) 1989-08-02
AU613144B2 (en) 1991-07-25
JPH0265769A (ja) 1990-03-06
ATE65672T1 (de) 1991-08-15

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