EP0797931A1 - Dual section ventilated cigarette filter with flavour containing sleeve - Google Patents

Dual section ventilated cigarette filter with flavour containing sleeve Download PDF

Info

Publication number
EP0797931A1
EP0797931A1 EP97400514A EP97400514A EP0797931A1 EP 0797931 A1 EP0797931 A1 EP 0797931A1 EP 97400514 A EP97400514 A EP 97400514A EP 97400514 A EP97400514 A EP 97400514A EP 0797931 A1 EP0797931 A1 EP 0797931A1
Authority
EP
European Patent Office
Prior art keywords
section
cigarette
filter
cigarette according
tobacco
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.)
Granted
Application number
EP97400514A
Other languages
German (de)
French (fr)
Other versions
EP0797931B1 (en
Inventor
Jean-Claude Battard
Daniel Prigent
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.)
Societe Nationale dExploitation Industrielle des Tabacs et Allumettes SAS
Original Assignee
Societe Nationale dExploitation Industrielle des Tabacs et Allumettes SAS
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 Societe Nationale dExploitation Industrielle des Tabacs et Allumettes SAS filed Critical Societe Nationale dExploitation Industrielle des Tabacs et Allumettes SAS
Publication of EP0797931A1 publication Critical patent/EP0797931A1/en
Application granted granted Critical
Publication of EP0797931B1 publication Critical patent/EP0797931B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04Tobacco smoke filters characterised by their shape or structure
    • A24D3/043Tobacco smoke filters characterised by their shape or structure with ventilation means, e.g. air dilution
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24BMANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18Treatment of tobacco products or tobacco substitutes
    • A24B15/28Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/281Treatment of tobacco products or tobacco substitutes by chemical substances the action of the chemical substances being delayed
    • A24B15/282Treatment of tobacco products or tobacco substitutes by chemical substances the action of the chemical substances being delayed by indirect addition of the chemical substances, e.g. in the wrapper, in the case
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04Tobacco smoke filters characterised by their shape or structure
    • A24D3/048Tobacco smoke filters characterised by their shape or structure containing additives

Definitions

  • hyperlighter cigarettes having a tar content of the order of 0.5 and 1 mg and a draft resistance (RT) greater than 65 mm of EC, preferably close to 90 mm of CE, and delivering a primary smoke having an aromatic character considered equivalent to earlier products having a much higher tar content.
  • RT draft resistance
  • the object of the invention is to achieve the objectives set out above while avoiding the drawbacks of all these known solutions.
  • the cigarette consists of a cylindrical tobacco section T 1 housed in a paper envelope E 1 , of a filter whose two sections T 2 , T 3 are axially contiguous, of a flavored thick cladding G 1 which surrounds the filter section T 3 located on the mouth side, an assembly cladding G 2 of the two filter sections T 2 , T 3 and a microperforated assembly sleeve M 1 , of the filter on the tobacco section T 1 .
  • the filter section T 3 located on the mouth side is made of cellulose acetate or an equivalent product preferably of low resistance to draft, for example of the order of 15 to 20 mm of CE, and of negligible tar retention. This resistance to draft could however be increased up to 30 mm of CE.
  • the filter section T 2 located on the tobacco side which can be produced from paper has, for its part, a high resistance to draft, for example of the order of 110 to 180 mm of EC, (preferably 150 for a cigarette of 0, 5 and 130 for a 1 mg cigarette) and is highly retentive in tar: tar retention could drop to 65% for a 1 mg cigarette but would preferably be greater than 80% for a 0.5 mg cigarette.
  • the assembly cladding G 2 of the two filter sections T 2 , T 3 can be of the same nature as the cladding G 1 . It can also be loaded with aromatic compounds.
  • the cuff M 1 is a conventional perforated or porous assembly cuff giving ventilation of the cigarette of the order of 60 to 80%, preferably of the order of 72% for a cigarette of 0.5 mg and 65 % for a 1 mg cigarette, the perforations P being located in an area located substantially at the junction between the two sections T 2 , T 3 (for example 13 mm from the end of the cigarette, mouth side) .
  • the invention is not limited to the embodiment described above.
  • two flavored cladding G 1 , G 2 which can be impregnated with two respective sets of different aromatic compounds whose different partial adsorption on paper and acetate would modify the perception by the smoker.
  • adsorbents such as, for example, carbon into the paper filter part. active, either in the paper matrix, or during the manufacture of the filtering section by welding, or even gluing.

Abstract

The cigarette has a filter attached to the end of its section (T1) containing the tobacco, the filter being made in two sections (T2, T3), joined to one another and to the section with the tobacco by an outer sleeve (M1) with perforations (P). The filter section (T3) nearest the mouth has a lower resistance to draw, while the section (T2) between it and the tobacco has a higher resistance to draw. The two sections of the filter are joined together end to end with no gap between, and the portion of the filter after the perforations is surrounded by a thick porous sleeve (G1) impregnated with aromatic substances. The second portion (T3) of the filter is made from a material such as cellulose acetate and has a negligible tar retention capacity, while the first section (T2) is of paper and has a high tar retention capacity.

Description

La présente invention concerne une cigarette à filtre ventilé à double tronçon de filtrage, aromatisée par le gainage du filtre, et conçue de manière à délivrer une fumée présentant une teneur en goudron relativement basse, par exemple au plus de l'ordre de 1 mg.The present invention relates to a ventilated filter cigarette with a double filtering section, flavored by the sheathing of the filter, and designed so as to deliver a smoke having a relatively low tar content, for example at most of the order of 1 mg.

Elle concerne plus particulièrement, mais non exclusivement, des cigarettes dites hyperlégères ayant une teneur en goudron de l'ordre 0,5 et 1 mg et une résistance au tirage (RT) supérieure à 65 mm de CE, de préférence voisine de 90 mm de CE, et délivrant une fumée primaire ayant un caractère aromatique jugé équivalent à des produits antérieurs ayant une teneur en goudron beaucoup plus importante.It relates more particularly, but not exclusively, to so-called hyperlighter cigarettes having a tar content of the order of 0.5 and 1 mg and a draft resistance (RT) greater than 65 mm of EC, preferably close to 90 mm of CE, and delivering a primary smoke having an aromatic character considered equivalent to earlier products having a much higher tar content.

D'une manière générale, on sait qu'on a déjà proposé de fabriquer des cigarettes ayant un rendement en goudron voisin de 1 mg en ajoutant dans le mélange de tabac des substances aromatiques destinées à renforcer le goût de la fumée délivrée. Il s'avère que pour obtenir un rendement de ce type, il est nécessaire d'utiliser un filtre fortement rétentif en goudron et présentant, de ce fait, une forte résistance au tirage et de prévoir une très forte ventilation. Or, cette nécessité de ventiler très fortement ne permet pas de réduire la teneur en goudron sans altérer la force aromatique de la fumée, laquelle devient rapidement inacceptable par le consommateur pour des rendements en goudron inférieurs à 1 mg. Par ailleurs, ces solutions présentent l'inconvénient de nécessiter l'emploi de quantités importantes d'arôme.In general, it is known that it has already been proposed to manufacture cigarettes having a tar yield close to 1 mg by adding aromatic substances intended to enhance the taste of the smoke delivered to the tobacco mixture. It turns out that to obtain a return of this type, it is necessary to use a highly retentive tar filter and therefore having a high resistance to draft and to provide very strong ventilation. However, this need to ventilate very strongly does not reduce the tar content without altering the aromatic strength of the smoke, which quickly becomes unacceptable to the consumer for tar yields of less than 1 mg. Furthermore, these solutions have the drawback of requiring the use of large quantities of flavor.

Dans le but de supprimer cet inconvénient, on a également proposé de concentrer les substances aromatiques dans le filtre. Ainsi, les brevets FR 2 368 905 et EP 0 225 742 proposent d'utiliser le gainage du filtre (réalisé en matériau microporeux) comme support d'arôme. Toutefois, les solutions décrites dans ces deux documents ne permettent pas d'aboutir aux résultats recherchés, notamment en ce qui concerne le compromis rendement en goudron/résistance au tirage/aromatisation.In order to eliminate this drawback, it has also been proposed to concentrate the aromatic substances in the filter. Thus, the patents FR 2 368 905 and EP 0 225 742 propose to use the sheathing of the filter (made of microporous material) as a flavor support. However, the solutions described in these two documents do not allow the desired results to be obtained, in particular with regard to the tar yield / resistance to draft / flavoring compromise.

Le brevet EP 0101 173 divulgue, quant à lui, des cigarettes à filtre ventilé dans lequel les deux tronçons sont espacés l'un de l'autre et présentent un bon coefficient de transfert de l'agent aromatisant mélangé au tabac. Cette solution présente, elle aussi, l'inconvénient de nécessiter des quantités relativement importantes de produits aromatisants.Patent EP 0101 173 discloses, for its part, ventilated filter cigarettes in which the two sections are spaced from one another and have a good coefficient of transfer of the flavoring agent mixed with tobacco. This solution also has the disadvantage of requiring relatively large quantities of flavoring products.

L'invention a pour but d'atteindre les objectifs précédemment exposés en évitant les inconvénients de toutes ces solutions connues.The object of the invention is to achieve the objectives set out above while avoiding the drawbacks of all these known solutions.

Elle propose, à cet effet, une cigarette comprenant :

  • un filtre assemblé à un tronçon tabac par une manchette d'assemblage comprenant une zone de ventilation, et présentant, côté bouche, un tronçon de filtre à faible résistance au tirage et, côté tabac, un tronçon de forte résistance au tirage, ces deux tronçons étant assemblés bout à bout sans intervalle, par l'intermédiaire d'un gainage d'assemblage, et
  • un gainage poreux épais chargé de substances aromatiques qui entoure au moins la partie du filtre située au droit ou en aval de la zone de ventilation,
  • le gainage d'assemblage et la manchette d'assemblage étant perméables à l'air au moins sur une partie de leur surface qui n'est pas en contact avec la bouche du fumeur.
To this end, it offers a cigarette comprising:
  • a filter assembled to a tobacco section by an assembly sleeve comprising a ventilation zone, and having, on the mouth side, a section of filter with low draft resistance and, on the tobacco side, a section of high draft resistance, these two sections being joined end to end without gap, by means of an assembly sheath, and
  • a thick porous cladding loaded with aromatic substances which surrounds at least the part of the filter situated at the right or downstream of the ventilation zone,
  • the assembly cladding and the assembly cuff being permeable to air at least over a part of their surface which is not in contact with the mouth of the smoker.

Grâce à ces dispositions, et comme cela sera décrit dans la suite, quand la fumée entre dans la bouche du fumeur, elle est "canalisée" par de l'air aromatisé (à aromatisation constante).Thanks to these provisions, and as will be described below, when the smoke enters the mouth of the smoker, it is "channeled" by flavored air (with constant flavoring).

Il importe de noter que l'invention permet la réalisation d'une cigarette à rendement en goudron très faible (< 1 mg), par exemple compris entre 0,5 et 1 mg et présentant cependant une bonne résistance au tirage et un goût sensiblement constant, quel que soit le débit de fumée, aspirée par le fumeur.It is important to note that the invention makes it possible to produce a cigarette with a very low tar yield (<1 mg), for example between 0.5 and 1 mg and nevertheless having good resistance to draft and a substantially constant taste. , whatever the flow of smoke, sucked in by the smoker.

Toutefois, l'invention ne se limite pas à la réalisation de cigarettes hyperlégères présentant des rendements en goudron < 1 mg. En effet, l'invention s'applique également à la réalisation de cigarettes légères dont le rendement en goudron peut s'élever jusqu'à 3 à 5 mg. Dans ce cas, la ventilation et la résistance au tirage du tronçon situé côté tabac doivent être adaptées.However, the invention is not limited to the production of light cigarettes having tar yields <1 mg. Indeed, the invention also applies to the production of light cigarettes whose tar yield can be up to 3 to 5 mg. In this case, the ventilation and the draft resistance of the section located on the tobacco side must be adapted.

Des modes d'exécution de l'invention seront décrits ci-après, à titre d'exemples non limitatifs, avec référence aux dessins annexés dans lesquels :

  • La figure 1 est une coupe axiale schématique d'une cigarette, qui met en relief les effets et les résultats obtenus grâce aux dispositions selon l'invention ;
  • Les figures 2 à 4 sont trois demi-coupes axiales schématiques de trois variantes d'exécution de la cigarette selon l'invention.
Embodiments of the invention will be described below, by way of nonlimiting examples, with reference to the appended drawings in which:
  • Figure 1 is a schematic axial section of a cigarette, which highlights the effects and results obtained through the arrangements according to the invention;
  • Figures 2 to 4 are three schematic axial half-sections of three alternative embodiments of the cigarette according to the invention.

Dans l'exemple représenté sur la figure 1, la cigarette se compose d'un tronçon tabac cylindrique T1 logé dans une enveloppe papier E1, d'un filtre dont les deux tronçons T2, T3 sont axialement jointifs, d'un gainage épais aromatisé G1 qui entoure le tronçon de filtre T3 situé côté bouche, d'un gainage d'assemblage G2 des deux tronçons de filtre T2, T3 et d'une manchette d'assemblage microperforée M1, du filtre sur le tronçon tabac T1.In the example shown in FIG. 1, the cigarette consists of a cylindrical tobacco section T 1 housed in a paper envelope E 1 , of a filter whose two sections T 2 , T 3 are axially contiguous, of a flavored thick cladding G 1 which surrounds the filter section T 3 located on the mouth side, an assembly cladding G 2 of the two filter sections T 2 , T 3 and a microperforated assembly sleeve M 1 , of the filter on the tobacco section T 1 .

Le tronçon tabac T1 comprend un mélange tabac + tabac expansé (TE) comprenant environ de 40% à 100% de TE. Le tronçon T1 a une vitesse de combustion allant de 7 à 10 mm/mn, de façon à délivrer de 5 à 7 bouffées normalisées, de préférence de 5,5 à 6 bouffées.The tobacco section T 1 comprises a tobacco + expanded tobacco (TE) mixture comprising approximately from 40% to 100% of TE. The section T 1 has a combustion speed ranging from 7 to 10 mm / min, so as to deliver from 5 to 7 standardized puffs, preferably from 5.5 to 6 puffs.

L'enveloppe papier E1 qui entoure le tabac est fortement perméable, la porosité pouvant aller de 40 à 120 pers, de préférence 40 à 80 pers pour un rendement de respectivement 0,5 à 1 mg. Elle est imprégnée de 1,5 à 3% de citrate de sodium et est fortement chargée (de 29 à 35% de Ca CO3).The paper envelope E 1 which surrounds the tobacco is highly permeable, the porosity possibly ranging from 40 to 120 people, preferably 40 to 80 people for a yield of 0.5 to 1 mg respectively. It is impregnated with 1.5 to 3% of sodium citrate and is highly charged (from 29 to 35% of Ca CO 3 ).

Le tronçon de filtre T3 situé côté bouche est réalisé en acétate de cellulose ou en un produit équivalent de préférence de faible résistance au tirage, par exemple de l'ordre de 15 à 20 mm de CE, et de rétention goudron négligeable. Cette résistance au tirage pourrait cependant être portée jusqu'à 30 mm de CE. Le tronçon de filtre T2 situé côté tabac qui est réalisable en papier présente, quant à lui, une forte résistance au tirage, par exemple de l'ordre de 110 à 180 mm de CE, (de préférence 150 pour une cigarette de 0,5 et 130 pour une cigarette de 1 mg) et est fortement rétentif en goudron : la rétention goudron pourrait descendre à 65% pour une cigarette de 1 mg mais serait de préférence supérieure à 80% pour une cigarette de 0,5 mg.
Le gainage G1 est réalisé en matière poreuse préalablement chargée de substances aromatiques (par exemple par héliogravure), de préférence sur la face interne du filtre. Ce gainage G1 peut consister en un gainage poreux épais, référence "Stiff 200" de la Société "De Mauduit" imprégné par héliogravure d'une composition aromatique à raison de 0,4 à 1,1 g/m2 sous forme d'une solution ou suspension. Ce gainage poreux G1 pourrait consister en tout autre papier ou matière poreuse végétale ou synthétique de caractéristique équivalente.
The filter section T 3 located on the mouth side is made of cellulose acetate or an equivalent product preferably of low resistance to draft, for example of the order of 15 to 20 mm of CE, and of negligible tar retention. This resistance to draft could however be increased up to 30 mm of CE. The filter section T 2 located on the tobacco side which can be produced from paper has, for its part, a high resistance to draft, for example of the order of 110 to 180 mm of EC, (preferably 150 for a cigarette of 0, 5 and 130 for a 1 mg cigarette) and is highly retentive in tar: tar retention could drop to 65% for a 1 mg cigarette but would preferably be greater than 80% for a 0.5 mg cigarette.
The cladding G 1 is made of porous material previously charged with aromatic substances (for example by gravure printing), preferably on the internal face of the filter. This cladding G 1 can consist of a thick porous cladding, reference "Stiff 200" from the Company "De Mauduit" impregnated by rotogravure with an aromatic composition at a rate of 0.4 to 1.1 g / m 2 in the form of a solution or suspension. This porous cladding G 1 could consist of any other paper or porous vegetable or synthetic material of equivalent characteristic.

Le gainage d'assemblage G2 des deux tronçons de filtre T2, T3 peut être de même nature que le gainage G1. Il peut être également chargé de composés aromatiques.The assembly cladding G 2 of the two filter sections T 2 , T 3 can be of the same nature as the cladding G 1 . It can also be loaded with aromatic compounds.

La manchette M1 est une manchette d'assemblage perforée ou poreuse classique donnant une ventilation de la cigarette de l'ordre de 60 à 80%, de préférence de l'ordre de 72% pour une cigarette de 0,5 mg et de 65% pour une cigarette de 1 mg, les perforations P se trouvant disposées dans une zone située sensiblement au niveau de la jonction entre les deux tronçons T2, T3 (par exemple à 13 mm de l'extrémité de la cigarette, côté bouche).The cuff M 1 is a conventional perforated or porous assembly cuff giving ventilation of the cigarette of the order of 60 to 80%, preferably of the order of 72% for a cigarette of 0.5 mg and 65 % for a 1 mg cigarette, the perforations P being located in an area located substantially at the junction between the two sections T 2 , T 3 (for example 13 mm from the end of the cigarette, mouth side) .

Le phénomène exploité grâce à la cigarette précédemment décrite est alors le suivant :The phenomenon exploited thanks to the cigarette previously described is then the following:

Lorsque le fumeur fume la cigarette, il exerce, pendant la phase d'aspiration de la fumée, une dépression sensiblement constante sur toute la section d'entrée du tronçon de filtre T3 situé côté bouche.When the smoker smokes the cigarette, he exerts, during the smoke suction phase, a substantially constant depression over the entire inlet section of the filter section T 3 located on the mouth side.

Cette dépression qui se reporte d'une façon hétérogène au niveau de la section d'entrée du tronçon de filtre T2, engendre à la fois :

  • un courant de ventilation annulaire VA dont l'intensité décroît en direction de l'axe central X, X', et
  • un courant de fumée VF provenant de la combustion du tabac et qui passe au travers du tronçon de filtre T2.
This depression, which is transferred in a heterogeneous manner at the level of the inlet section of the filter section T 2 , generates both:
  • an annular ventilation current V A whose intensity decreases towards the central axis X, X ', and
  • a current of smoke V F coming from the combustion of tobacco and which passes through the filter section T 2 .

Compte tenu du fait qu'au niveau de la section d'entrée du tronçon de filtre T2 la dépression n'est pas constante mais décroît à partir du centre vers la périphérie en raison de la présence du courant d'air de ventilation VA, le courant de fumée VF se concentre dans la région centrale du tronçon de filtre T3.Taking into account that at the level of the inlet section of the filter section T 2 the vacuum is not constant but decreases from the center towards the periphery due to the presence of the ventilation air stream V A , the smoke current V F is concentrated in the central region of the filter section T 3 .

Par contre, le courant de ventilation VA qui se propage dans une zone annulaire entourant le courant de fumée VF présente une intensité qui décroît de la périphérie, en direction de l'axe central X, X'.On the other hand, the ventilation current V A which propagates in an annular zone surrounding the smoke current V F has an intensity which decreases from the periphery, in the direction of the central axis X, X '.

En fait, ce flux de ventilation VA se propage dans la zone annulaire d'aromatisation du gainage poreux G1 dont le pouvoir aromatique décroît en allant vers l'axe central X, X'.In fact, this ventilation flow V A propagates in the annular aromatization zone of the porous cladding G 1 , the aromatic power of which decreases going towards the central axis X, X '.

L'aromatisation du flux d'air de ventilation VA s'effectue donc de façon optimale et, compte tenu du niveau de ventilation nécessaire à l'obtention du faible niveau de goudron recherche, le débit de ce flux VA est relativement important.The aromatization of the ventilation air flow V A is therefore carried out optimally and, taking into account the level of ventilation necessary for obtaining the low level of tar sought, the flow rate of this flow V A is relatively large.

Par ailleurs, le courant de fumée VF traversant le tronçon T2, qui se trouve donc à une température relativement élevée et qui circule dans la région centrale du tronçon T3, ne lèche au plus qu'une faible partie du gainage poreux G1. Ce gainage G1 (ou la partie du gainage G'1 selon la construction envisagée représentée figure 4) qui se trouve constamment ventilé, demeure à une température sensiblement constante (température de l'air ambiant). Il ne subit donc pas une élévation de température pouvant provoquer l'évaporation prématurée des substances aromatiques qu'il contient, de sorte que l'aromatisation du mélange gazeux aspiré par le fumeur demeure constante dans le temps et ne décroît pas rapidement, comme ce serait le cas si seul le courant de fumée chaud venait lécher la totalité du gainage poreux aromatisé G1, G'1.Furthermore, the smoke current V F passing through the section T 2 , which is therefore at a relatively high temperature and which circulates in the central region of the section T 3 , only licks a small part of the porous cladding G 1 . This cladding G 1 (or the part of the cladding G ′ 1 according to the envisaged construction shown in FIG. 4) which is constantly ventilated, remains at a substantially constant temperature (ambient air temperature). It therefore does not undergo a rise in temperature which can cause premature evaporation of the aromatic substances which it contains, so that the aromatization of the gas mixture sucked in by the smoker remains constant over time and does not decrease rapidly, as it would the case if only the current of hot smoke came to lick all of the porous cladding flavored G 1 , G ′ 1 .

En outre, une particularité de cette solution réside dans le fait que quand le mélange gazeux pénètre dans la bouche du fumeur, le courant de fumée VF est canalisé et en quelque sorte enveloppé par de l'air aromatisé du courant de ventilation qui vient en priorité au contact des papilles gustatives et olfactives. Le goût de cette cigarette est donc sensiblement indépendant de la quantité de tabac fumé, (le goût de la cigarette et son intensité étant essentiellement apportés par l'aromatisation du filtre).In addition, a peculiarity of this solution lies in the fact that when the gaseous mixture enters the mouth of the smoker, the smoke current V F is channeled and in a way enveloped by aromatized air from the ventilation current which comes in priority in contact with taste and olfactory taste buds. The taste of this cigarette is therefore substantially independent of the amount of smoked tobacco, (the taste of the cigarette and its intensity being essentially provided by the flavoring of the filter).

Dans le mode d'exécution représenté sur la figure 2, le filtre présente une longueur de 25 mm. Dans ce cas, le tronçon de filtre T2 à forte RT (en matériau filtrant très rétentif comme, par exemple, le papier ou un matériau filtrant vendu sous la marque CREST par la Société Filtrona International Ltd) présente une longueur de 16 mm, indispensable pour l'obtention d'une résistance au tirage (RT) suffisante. Les perforations P sont alors disposées suffisamment en retrait de l'extrémité côté bouche de la cigarette (environ 13 mm) et s'étendent axialement dans une zone annulaire de ventilation V de 6 mm de largeur. La zone de ventilation V s'étend partiellement au-dessus du tronçon de filtre T2 qui est équipé d'un gainage poreux G3. Le tronçon de filtre T3 est, quant à lui, recouvert d'un gainage poreux aromatisé G1.In the embodiment shown in Figure 2, the filter has a length of 25 mm. In this case, the filter section T 2 with a high RT (made of very retentive filter material such as, for example, paper or a filter material sold under the brand CREST by the company Filtrona International Ltd) has a length of 16 mm, essential to obtain sufficient draft resistance (RT). The perforations P are then placed far enough back from the mouth side end of the cigarette (about 13 mm) and extend axially in an annular ventilation zone V 6 mm wide. The ventilation zone V extends partially above the filter section T 2 which is equipped with a porous cladding G 3 . The filter section T 3 is covered with a porous, flavored cladding G 1 .

Dans le cas où on choisit un filtre de 30 mm (figure 3), les perforations peuvent être placées sur le tronçon T3 à faible RT et le gainage G3 du tronçon T2 à forte RT peut être imperméable.In the case where a 30 mm filter is chosen (FIG. 3), the perforations can be placed on the section T 3 at low RT and the cladding G 3 of the section T 2 at high RT can be waterproof.

Bien entendu, l'invention ne se limite pas au mode d'exécution précédemment décrit. Ainsi, il est possible d'utiliser deux gainages aromatisés G1, G2 qui peuvent être imprégnés de deux ensembles respectifs de composés aromatiques différents dont l'adsorption partielle différente sur le papier et l'acétate modifierait la perception par le fumeur. Par ailleurs, il est possible d'incorporer dans la partie filtre papier des adsorbants tels que par exemple du charbon actif, soit dans la matrice papier, soit pendant la fabrication du tronçon filtrant par soupoudrage, voire collage.Of course, the invention is not limited to the embodiment described above. Thus, it is possible to use two flavored cladding G 1 , G 2 which can be impregnated with two respective sets of different aromatic compounds whose different partial adsorption on paper and acetate would modify the perception by the smoker. Furthermore, it is possible to incorporate adsorbents such as, for example, carbon into the paper filter part. active, either in the paper matrix, or during the manufacture of the filtering section by welding, or even gluing.

De même, conformément au mode d'exécution illustré sur la figure 4, le filtre d'une longueur de 30 mm pourrait présenter, côté tabac, un tronçon T2 à forte RT de longueur d'une longueur de 23 mm et, côté bouche un tronçon T3 en acétate de cellulose, de longueur de 7 mm. Les perforations réalisées sur la manchette M1 qui s'étendent sur une longueur d'environ 6 mm sont disposées en regard du tronçon T2, dans une zone d'environ 6 mm située du côté du tronçon T3 (à 13 mm de l'extrémité côté bouche). Dans cet exemple, le gainage G'1 du tronçon T2, relativement épais et poreux, est aromatisé. Ce gainage G'1 s'étend sous la zone de ventilation de manière à être léché par le courant d'air de ventilation provenant des orifices de ventilation, sur une longueur suffisante pour aromatiser la fumée.Similarly, in accordance with the embodiment illustrated in FIG. 4, the filter with a length of 30 mm could have, on the tobacco side, a section T 2 with strong RT of length with a length of 23 mm and, on the mouth side a section T 3 of cellulose acetate, 7 mm long. The perforations made on the cuff M 1 which extend over a length of approximately 6 mm are arranged opposite the section T 2 , in an area of approximately 6 mm situated on the side of the section T 3 (at 13 mm from l 'mouth side end). In this example, the sheathing G ' 1 of the section T 2 , which is relatively thick and porous, is flavored. This cladding G ′ 1 extends under the ventilation zone so as to be licked by the current of ventilation air coming from the ventilation orifices, over a length sufficient to flavor the smoke.

Le gainage G1 du tronçon T1, plus mince et plus rigide, n'est pas nécessairement aromatisé. Il permet d'éviter que la bouche du fumeur ne vienne directement au contact du gainage G'1.The sheath G 1 of the section T 1 , thinner and more rigid, is not necessarily flavored. It makes it possible to prevent the smoker's mouth from coming directly into contact with the sheathing G ' 1 .

Bien entendu, la longueur du filtre pourrait être différente, par exemple de 20 mm, le rapport des longueurs des deux tronçons T2, T3 étant maintenu sensiblement constant.Of course, the length of the filter could be different, for example 20 mm, the ratio of the lengths of the two sections T 2 , T 3 being kept substantially constant.

Claims (21)

Cigarette à filtre ventilé à double tronçon de filtrage, aromatisée par le gainage,
caractérisée en ce que le filtre qui est assemblé à un tronçon tabac (T1) par une manchette d'assemblage (M1) comportant une zone de ventilation comprend, côté bouche, un tronçon de filtre (T3) à faible résistance au tirage et, côté tabac, un tronçon (T2) de forte résistance au tirage, ces deux tronçons (T2, T3) étant assemblés bout à bout sans intervalle par l'intermédiaire d'un gainage d'assemblage (G2), au moins la partie (T3 ) du filtre située au droit ou en aval de la zone de ventilation étant entourée par un gainage poreux épais (G1, G'1) chargé de substances aromatiques, tandis que le gainage d'assemblage (G2) et la manchette d'assemblage (M1) sont perméables à l'air au moins sur une partie de leur surface qui n'est pas en contact avec la bouche du fumeur.
Cigarette with ventilated filter with double filtering section, flavored by cladding,
characterized in that the filter which is assembled to a tobacco section (T 1 ) by an assembly sleeve (M 1 ) comprising a ventilation zone comprises, on the mouth side, a filter section (T 3 ) with low draft resistance and, on the tobacco side, a section (T 2 ) of high draft resistance, these two sections (T 2 , T 3 ) being assembled end to end without gap by means of an assembly sheath (G 2 ), at least the part (T 3 ) of the filter located at the right or downstream of the ventilation zone being surrounded by a thick porous cladding (G 1 , G ′ 1 ) charged with aromatic substances, while the assembly cladding (G 2 ) and the assembly sleeve (M 1 ) are breathable at least over a part of their surface which is not in contact with the mouth of the smoker.
Cigarette selon la revendication 1,
caractérisée en ce qu'au moins le tronçon T3 situé côté bouche est entouré par un gainage poreux épais (G1) chargé de substances aromatiques, tandis que la gaine d'assemblage (G2) et la manchette d'assemblage (M1) sont perméables à l'air au moins sensiblement au niveau de la jonction entre les deux tronçons (T2, T3).
Cigarette according to claim 1,
characterized in that at least the section T3 situated on the mouth side is surrounded by a thick porous cladding (G 1 ) loaded with aromatic substances, while the assembly sheath (G 2 ) and the assembly cuff (M 1 ) are breathable at least substantially at the junction between the two sections (T 2 , T 3 ).
Cigarette selon la revendication 1,
caractérisée en ce que le tronçon (T2) situé côté tabac est gainé par un gainage poreux épais aromatisé (G'1) qui s'étend sous la zone de ventilation de manière à être léché par le courant d'air de ventilation provenant des orifices de ventilation.
Cigarette according to claim 1,
characterized in that the section (T 2 ) located on the tobacco side is sheathed by a thick porous flavored sheathing (G ′ 1 ) which extends under the ventilation zone so as to be licked by the current of ventilation air coming from the ventilation holes.
Cigarette selon la revendication 3,
caractérisée en ce que le gainage (G1) du tronçon (T1) n'est pas aromatisé.
Cigarette according to claim 3,
characterized in that the cladding (G 1 ) of the section (T 1 ) is not flavored.
Cigarette selon l'une des revendications précédentes,
caractérisée en ce que le tronçon tabac (T1) comprend un mélange de tabac et de tabac expansé dans une proportion de 40 à 100% et présente une vitesse de combustion de l'ordre de 7 à 10 mm/mn de façon à délivrer de 5 à 7 bouffées normalisées.
Cigarette according to one of the preceding claims,
characterized in that the tobacco section (T 1 ) comprises a mixture of tobacco and expanded tobacco in a proportion of 40 to 100% and has a combustion speed of the order of 7 to 10 mm / min so as to deliver 5 to 7 standard puffs.
Cigarette selon la revendication 5,
caractérisée en ce que le nombre de bouffées normalisées est compris entre 5,5 et 6.
Cigarette according to claim 5,
characterized in that the number of standardized puffs is between 5.5 and 6.
Cigarette selon l'une des revendications 1 à 5,
caractérisée en ce que le tronçon tabac (T1) est entouré par une enveloppe (E1) de porosite comprise entre 40 et 120 pers.
Cigarette according to one of claims 1 to 5,
characterized in that the tobacco section (T 1 ) is surrounded by an envelope (E 1 ) of porosity of between 40 and 120 pers.
Cigarette selon la revendication 7,
caractérisée en ce que la porosité de la susdite enveloppe est de 40 à 80 pers.
Cigarette according to claim 7,
characterized in that the porosity of the above envelope is 40 to 80 pers.
Cigarette selon l'une des revendications précédentes,
caractérisée en ce que le tronçon de filtre (T3) situé côté bouche présente une résistance au tirage de l'ordre de 15 à 30 mm de CE et une rétention de goudron négligeable.
Cigarette according to one of the preceding claims,
characterized in that the filter section (T 3 ) located on the mouth side has a draft resistance of the order of 15 to 30 mm WC and a negligible tar retention.
Cigarette selon la revendication 9,
caractérisée en ce que la susdite résistance au tirage est de l'ordre de 15 à 20 mm de CE.
Cigarette according to claim 9,
characterized in that the aforesaid resistance to drawing is of the order of 15 to 20 mm of CE.
Cigarette selon la revendication 9,
caractérisée en ce que le tronçon de filtre (T3) situé côté bouche est en une matière telle que l'acétate de cellulose.
Cigarette according to claim 9,
characterized in that the filter section (T 3 ) located on the mouth side is made of a material such as cellulose acetate.
Cigarette selon l'une des revendications précédentes,
caractérisée en ce que le tronçon de filtre (T2) situé côté tabac présente une résistance au tirage de l'ordre de 110 à 180 mm de CE et est fortement rétentif en goudron.
Cigarette according to one of the preceding claims,
characterized in that the filter section (T 2 ) located on the tobacco side has a draft resistance of the order of 110 to 180 mm WC and is highly retentive in tar.
Cigarette selon la revendication 12,
caractérisée en ce que la susdite résistance au tirage est de 150 pour une cigarette de 0,5 mg et de 130 pour une cigarette de 1 mg.
Cigarette according to claim 12,
characterized in that the above pull resistance is 150 for a 0.5 mg cigarette and 130 for a 1 mg cigarette.
Cigarette selon la revendication 13,
caractérisée en ce que la rétention goudron est de l'ordre de 65% pour une cigarette de 1 mg et est supérieure à 80% pour une cigarette de 0,5 mg.
Cigarette according to claim 13,
characterized in that the tar retention is of the order of 65% for a 1 mg cigarette and is greater than 80% for a 0.5 mg cigarette.
Cigarette selon la revendication 12,
caractérisée en ce que le tronçon de filtre (T2) situé côté tabac est en papier.
Cigarette according to claim 12,
characterized in that the filter section (T 2 ) located on the tobacco side is made of paper.
Cigarette selon l'une des revendications précédentes,
caractérisée en ce que le gainage poreux (G1) est imprégné par héliogravure de 0,4 à 1,1 g/m2 d'une composition aromatique.
Cigarette according to one of the preceding claims,
characterized in that the porous cladding (G 1 ) is impregnated by rotogravure from 0.4 to 1.1 g / m 2 of an aromatic composition.
Cigarette selon l'une des revendications précédentes,
caractérisée en ce que les deux tronçons de filtre (T2, T3) sont assemblés par un gainage d'assemblage (G2) de même nature que le susdit gainage (G1) également aromatisé.
Cigarette according to one of the preceding claims,
characterized in that the two filter sections (T 2 , T 3 ) are assembled by an assembly cladding (G 2 ) of the same nature as the above cladding (G 1 ) also flavored.
Cigarette selon l'une des revendications précédentes,
caractérisée en ce que le susdit filtre est assemblé au tronçon tabac (T1) par l'intermédiaire d'une manchette d'assemblage (M1) perforée ou poreuse donnant une ventilation de la cigarette de l'ordre de 60 à 80%.
Cigarette according to one of the preceding claims,
characterized in that the aforementioned filter is assembled to the tobacco section (T 1 ) by means of an assembly sleeve (M 1 ) perforated or porous giving ventilation of the cigarette of the order of 60 to 80%.
Cigarette selon la revendication 18,
caractérisée en ce que la susdite ventilation est de l'ordre de 72% pour une cigarette de 0,5 mg et de 65% pour une cigarette de 1 mg.
Cigarette according to claim 18,
characterized in that the above ventilation is of the order of 72% for a cigarette of 0.5 mg and 65% for a cigarette of 1 mg.
Cigarette selon la revendication 15,
caractérisée en ce que des adsorbants tels que du charbon actif sont incorporés au tronçon de filtre (T2) situé côté tabac.
Cigarette according to claim 15,
characterized in that adsorbents such as activated carbon are incorporated in the filter section (T 2 ) located on the tobacco side.
Cigarette selon la revendication 20,
caractérisée en ce que le susdit adsorbant est incorporé dans la matrice papier, ou même par soupoudrage ou collage au cours de la fabrication du susdit tronçon (T2).
Cigarette according to claim 20,
characterized in that the above adsorbent is incorporated into the paper matrix, or even by welding or gluing during the manufacture of the above section (T 2 ).
EP97400514A 1996-03-29 1997-03-06 Dual section ventilated cigarette filter with flavour containing sleeve Expired - Lifetime EP0797931B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9604094 1996-03-29
FR9604094A FR2746600B1 (en) 1996-03-29 1996-03-29 DOUBLE FILTER SECTION VENTILATED FILTER CIGARETTE, FLAVORED BY THE FILTER SHEATH.

Publications (2)

Publication Number Publication Date
EP0797931A1 true EP0797931A1 (en) 1997-10-01
EP0797931B1 EP0797931B1 (en) 1999-09-01

Family

ID=9490803

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97400514A Expired - Lifetime EP0797931B1 (en) 1996-03-29 1997-03-06 Dual section ventilated cigarette filter with flavour containing sleeve

Country Status (8)

Country Link
EP (1) EP0797931B1 (en)
JP (1) JP3866360B2 (en)
AT (1) ATE183893T1 (en)
DE (1) DE69700458T2 (en)
DK (1) DK0797931T3 (en)
ES (1) ES2136459T3 (en)
FR (1) FR2746600B1 (en)
GR (1) GR3031705T3 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0908110A1 (en) * 1997-10-06 1999-04-14 Japan Tobacco Inc. Filter-tipped cigarette and filter for a cigarette
DE19746664A1 (en) * 1997-10-23 1999-05-06 Reemtsma H F & Ph Thin cigarette
EP1377184A1 (en) * 2001-02-22 2004-01-07 Philip Morris Products Inc. Cigarette and filter with downstream flavor addition
EP1397965A1 (en) * 2002-09-11 2004-03-17 Hauni Maschinenbau AG Injection of a medium in filter segments
WO2006020098A2 (en) * 2004-07-29 2006-02-23 Brown & Williamson Holdings, Inc. Flavoring a cigarette by using a flavored filter plug wrap
EP1797780A1 (en) * 2005-12-15 2007-06-20 Gallaher Limited Smoking article
WO2009156269A1 (en) * 2008-06-24 2009-12-30 British American Tobacco (Investments) Limited Filter for a smoking article
WO2013045911A1 (en) * 2011-09-26 2013-04-04 British American Tobacco (Investments) Limited Smoking article and method of manufacturing a smoking article

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3420749B2 (en) 1998-05-12 2003-06-30 日本たばこ産業株式会社 Cigarette filter web, cigarette filter, and cigarette with filter
DK1889550T3 (en) 2006-08-04 2009-11-30 Philip Morris Prod Multicomponent filter that provides more flavor enhancements
JP5487359B2 (en) * 2011-03-31 2014-05-07 日本たばこ産業株式会社 cigarette
GB201421803D0 (en) * 2014-12-08 2015-01-21 British American Tobacco Co A smoking article, a filter and a method of manufacturing a smoking article

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2998820A (en) * 1959-05-01 1961-09-05 Viola G Ades Cigarette
FR2368905A1 (en) * 1976-10-28 1978-05-26 Olin Corp AIRY FLAVORED CIGARETTE
FR2524775A1 (en) * 1982-04-08 1983-10-14 Filtrona Ltd CIGARETTE FILTER
EP0225742A2 (en) * 1985-11-14 1987-06-16 R.J. Reynolds Tobacco Company Microporous materials in cigarette filter construction
GB2229078A (en) * 1989-03-14 1990-09-19 Rothmans Int Tobacco Flavouring cigarettes
EP0413536A1 (en) * 1989-08-15 1991-02-20 British-American Tobacco Company Limited Improvements relating to smoking articles
EP0532329A2 (en) * 1991-09-13 1993-03-17 R.J. Reynolds Tobacco Company Cigarette
FR2682263A1 (en) * 1991-10-14 1993-04-16 Cigarette Components Ltd TOBACCO SMOKE FILTER.
EP0608047A2 (en) * 1993-01-19 1994-07-27 Philip Morris Products Inc. Concentric smoking filter having cellulose acetate tow periphery and carbon-particle-loaded web filter core

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2998820A (en) * 1959-05-01 1961-09-05 Viola G Ades Cigarette
FR2368905A1 (en) * 1976-10-28 1978-05-26 Olin Corp AIRY FLAVORED CIGARETTE
FR2524775A1 (en) * 1982-04-08 1983-10-14 Filtrona Ltd CIGARETTE FILTER
EP0225742A2 (en) * 1985-11-14 1987-06-16 R.J. Reynolds Tobacco Company Microporous materials in cigarette filter construction
GB2229078A (en) * 1989-03-14 1990-09-19 Rothmans Int Tobacco Flavouring cigarettes
EP0413536A1 (en) * 1989-08-15 1991-02-20 British-American Tobacco Company Limited Improvements relating to smoking articles
EP0532329A2 (en) * 1991-09-13 1993-03-17 R.J. Reynolds Tobacco Company Cigarette
FR2682263A1 (en) * 1991-10-14 1993-04-16 Cigarette Components Ltd TOBACCO SMOKE FILTER.
EP0608047A2 (en) * 1993-01-19 1994-07-27 Philip Morris Products Inc. Concentric smoking filter having cellulose acetate tow periphery and carbon-particle-loaded web filter core

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6202650B1 (en) 1997-10-06 2001-03-20 Japan Tobacco Inc. Filter-tipped cigarette and filter for a cigarette
EP0908110A1 (en) * 1997-10-06 1999-04-14 Japan Tobacco Inc. Filter-tipped cigarette and filter for a cigarette
DE19746664A1 (en) * 1997-10-23 1999-05-06 Reemtsma H F & Ph Thin cigarette
EP1377184A4 (en) * 2001-02-22 2008-12-24 Philip Morris Prod Cigarette and filter with downstream flavor addition
EP1377184A1 (en) * 2001-02-22 2004-01-07 Philip Morris Products Inc. Cigarette and filter with downstream flavor addition
EP1397965A1 (en) * 2002-09-11 2004-03-17 Hauni Maschinenbau AG Injection of a medium in filter segments
WO2004032656A1 (en) * 2002-09-11 2004-04-22 Hauni Maschinenbau Ag Injection of a medium into a filter segment
WO2006020098A2 (en) * 2004-07-29 2006-02-23 Brown & Williamson Holdings, Inc. Flavoring a cigarette by using a flavored filter plug wrap
WO2006020098A3 (en) * 2004-07-29 2006-04-13 Brown & Williamson Holdings Flavoring a cigarette by using a flavored filter plug wrap
US7381277B2 (en) 2004-07-29 2008-06-03 R.U. Reynolds Tobacco Company Flavoring a cigarette by using a flavored filter plug wrap
AU2005274889B2 (en) * 2004-07-29 2008-07-24 Brown & Williamson Holdings, Inc. Flavoring a cigarette by using a flavored filter plug wrap
CN1988815B (en) * 2004-07-29 2012-03-14 布朗及威廉森控股公司 Flavoring a cigarette by using a flavored filter plug wrap
EP1797780A1 (en) * 2005-12-15 2007-06-20 Gallaher Limited Smoking article
WO2007068309A1 (en) 2005-12-15 2007-06-21 Gallaher Limited Smoking article
WO2009156269A1 (en) * 2008-06-24 2009-12-30 British American Tobacco (Investments) Limited Filter for a smoking article
WO2013045911A1 (en) * 2011-09-26 2013-04-04 British American Tobacco (Investments) Limited Smoking article and method of manufacturing a smoking article

Also Published As

Publication number Publication date
ES2136459T3 (en) 1999-11-16
FR2746600B1 (en) 1998-04-30
FR2746600A1 (en) 1997-10-03
JPH104944A (en) 1998-01-13
GR3031705T3 (en) 2000-02-29
DK0797931T3 (en) 2000-03-20
DE69700458D1 (en) 1999-10-07
EP0797931B1 (en) 1999-09-01
JP3866360B2 (en) 2007-01-10
DE69700458T2 (en) 2000-01-20
ATE183893T1 (en) 1999-09-15

Similar Documents

Publication Publication Date Title
EP0797931B1 (en) Dual section ventilated cigarette filter with flavour containing sleeve
FR2669240A1 (en) SMOKE FILTER CONTAINING A PARTICULATE SMOKE MODIFICATION ADDITIVE.
JPH01265877A (en) Coaxial type cigarette
US8573230B2 (en) Smoking article with coaxial tobacco rod
CH656782A5 (en) TOBACCO SMOKE FILTER ELEMENT.
CH660446A5 (en) SMOKING ARTICLES.
LU84108A1 (en) IMPROVED CIGARETTE FILTER
LU83726A1 (en) CIGARETTE FILTER
FR2630626A1 (en) PROCESS FOR MAKING A CIGARETTE YOURSELF, IN PARTICULAR A CIGARETTE WITH A FILTERED END
LU85965A1 (en) IMPROVED CIGARETTE FILTER
FR2513093A2 (en) CIGARETTE FILTER
LU83832A1 (en) CIGARETTE FILTER
CH656508A5 (en) FILTER ELEMENTS FOR CIGARETTE, FILTER AND CIGARETTE PROVIDED WITH SUCH ELEMENTS.
FR2588727A1 (en) AIR FILTER FOR CIGARETTE AND CIGARETTE USING SUCH A FILTER
LU85765A1 (en) IMPROVED CIGARETTE FILTER
CH616321A5 (en)
CH660836A5 (en) CIGARETTE FILTER ELEMENT.
CH676911A5 (en)
EP0880906B1 (en) Cigarette with a very low level of tar and having a tabacco taste comparable with a normal cigarette having a high level of tar
BE1000493A5 (en) Improvements to smoking articles.
LU85667A1 (en) END FOR CIGARETTE AND CIGARETTE EQUIPPED WITH THIS END
LU84816A1 (en) CIGARETTE FILTER
US5954060A (en) Coaxial filter cigarette
CH649199A5 (en) CIGARETTE FILTER.
CH658573A5 (en) FILTER ELEMENT FOR TOBACCO SMOKE.

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19970320

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

17Q First examination report despatched

Effective date: 19990108

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

REF Corresponds to:

Ref document number: 183893

Country of ref document: AT

Date of ref document: 19990915

Kind code of ref document: T

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: A. MISRACHI

Ref country code: CH

Ref legal event code: EP

ITF It: translation for a ep patent filed

Owner name: ING. A. GIAMBROCONO & C. S.R.L.

REF Corresponds to:

Ref document number: 69700458

Country of ref document: DE

Date of ref document: 19991007

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19990922

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: FRENCH

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2136459

Country of ref document: ES

Kind code of ref document: T3

REG Reference to a national code

Ref country code: PT

Ref legal event code: SC4A

Free format text: AVAILABILITY OF NATIONAL TRANSLATION

Effective date: 19990908

REG Reference to a national code

Ref country code: DK

Ref legal event code: T3

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: CABINET MOUTARD

REG Reference to a national code

Ref country code: CH

Ref legal event code: PFA

Owner name: SOCIETE NATIONALE D'EXPLOITATION INDUSTRIELLE DES

Free format text: SOCIETE NATIONALE D'EXPLOITATION INDUSTRIELLE DES TABACS ET ALLUMETTES#53, QUAI D'ORSAY#75340 PARIS CEDEX 07 (FR) -TRANSFER TO- SOCIETE NATIONALE D'EXPLOITATION INDUSTRIELLE DES TABACS ET ALLUMETTES#53, QUAI D'ORSAY#75340 PARIS CEDEX 07 (FR)

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: LU

Payment date: 20120220

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20120223

Year of fee payment: 16

Ref country code: MC

Payment date: 20120224

Year of fee payment: 16

Ref country code: IE

Payment date: 20120224

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: PT

Payment date: 20120220

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20120227

Year of fee payment: 16

Ref country code: FI

Payment date: 20120223

Year of fee payment: 16

Ref country code: BE

Payment date: 20120224

Year of fee payment: 16

Ref country code: SE

Payment date: 20120327

Year of fee payment: 16

Ref country code: DK

Payment date: 20120227

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20120403

Year of fee payment: 16

REG Reference to a national code

Ref country code: CH

Ref legal event code: PCAR

Free format text: NEW ADDRESS: RUE DE LYON 75 - 4EME ETAGE, 1203 GENEVE (CH)

REG Reference to a national code

Ref country code: PT

Ref legal event code: MM4A

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 20130906

BERE Be: lapsed

Owner name: SOC. NATIONALE D'EXPLOITATION INDUSTRIELLE DES *TA

Effective date: 20130331

REG Reference to a national code

Ref country code: NL

Ref legal event code: V1

Effective date: 20131001

REG Reference to a national code

Ref country code: DK

Ref legal event code: EBP

Effective date: 20130331

Ref country code: DK

Ref legal event code: EBP

REG Reference to a national code

Ref country code: SE

Ref legal event code: EUG

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130307

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130331

Ref country code: FI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130306

Ref country code: PT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130906

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130331

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130331

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130331

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130306

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20131001

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130306

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130331

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20140110

Year of fee payment: 18

Ref country code: AT

Payment date: 20140224

Year of fee payment: 18

Ref country code: GR

Payment date: 20140218

Year of fee payment: 18

Ref country code: ES

Payment date: 20140320

Year of fee payment: 18

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20140317

Year of fee payment: 18

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20140522

Year of fee payment: 18

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130306

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 69700458

Country of ref document: DE

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 183893

Country of ref document: AT

Kind code of ref document: T

Effective date: 20150306

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20150306

REG Reference to a national code

Ref country code: GR

Ref legal event code: ML

Ref document number: 990402797

Country of ref document: GR

Effective date: 20151002

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20151130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20151002

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20151001

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150306

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150331

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150306

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20160427

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150307