CH626238A5 - - Google Patents
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- Publication number
- CH626238A5 CH626238A5 CH990378A CH990378A CH626238A5 CH 626238 A5 CH626238 A5 CH 626238A5 CH 990378 A CH990378 A CH 990378A CH 990378 A CH990378 A CH 990378A CH 626238 A5 CH626238 A5 CH 626238A5
- Authority
- CH
- Switzerland
- Prior art keywords
- fibers
- sheet
- cellulose
- fibrous
- filters
- Prior art date
Links
- 235000019504 cigarettes Nutrition 0.000 claims description 12
- 229920002994 synthetic fiber Polymers 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 239000004014 plasticizer Substances 0.000 claims description 9
- 229920003043 Cellulose fiber Polymers 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical group CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 claims description 8
- 229920002301 cellulose acetate Polymers 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000000779 smoke Substances 0.000 claims description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 4
- 235000019506 cigar Nutrition 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 235000013773 glyceryl triacetate Nutrition 0.000 claims description 4
- 229960002622 triacetin Drugs 0.000 claims description 4
- 229920001747 Cellulose diacetate Polymers 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- 230000000391 smoking effect Effects 0.000 claims description 2
- 229920002678 cellulose Polymers 0.000 claims 3
- 239000001913 cellulose Substances 0.000 claims 3
- 238000010438 heat treatment Methods 0.000 claims 2
- 239000012943 hotmelt Substances 0.000 claims 2
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 241000208125 Nicotiana Species 0.000 description 5
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 5
- 239000004744 fabric Substances 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 1
- 229920006221 acetate fiber Polymers 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 229960002715 nicotine Drugs 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
- A24D3/0212—Applying additives to filter materials
- A24D3/022—Applying additives to filter materials with liquid additives, e.g. application of plasticisers
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Laminated Bodies (AREA)
- Filtering Materials (AREA)
- Nonwoven Fabrics (AREA)
Description
La présente invention permet de remédier à ces inconvénients et concerne à cet effet un procédé pour la réalisation de filtres à The present invention overcomes these drawbacks and to this end relates to a method for producing filters with
cigarettes ou cigares consistant à conformer une nappe fibreuse filtrante en boudin cylindrique pour créer des contacts entre différentes zones de cette nappe, ce procédé étant caractérisé en ce que l'on utilise une nappe constituée d'un mélange de fibres artificielles susceptibles d'être plastifiées et de fibres de cellulose naturelle, on applique sur cette nappe un plastifiant spécifique du matériau constitutif des fibres artificielles et on conforme cette nappe plastifiée en boudin avant la fin de la plastification de manière à créer un réseau de liaison interfibres dans la trame fibreuse artificielle de la nappe auquel se superpose un second réseau de liaison interfibres entre les zones en contact de la nappe conformée en boudin filtrant. cigarettes or cigars consisting of shaping a fibrous filter cloth into a cylindrical rod to create contacts between different zones of this cloth, this process being characterized in that a cloth made of a mixture of artificial fibers capable of being plasticized is used and natural cellulose fibers, a plasticizer specific to the material constituting the artificial fibers is applied to this sheet and this plastic sheet is shaped into a bead before the end of the plasticization so as to create an interfiber bonding network in the artificial fibrous weft of the sheet which is superimposed on a second interfiber bonding network between the areas in contact with the sheet shaped as a filter rod.
Suivant un exemple de réalisation, la proportion des fibres artificielles est constituée de fibres en diacétate de cellulose, le plastifiant utilisé étant, dans ce cas, du triacétate de glycérol. La nappe de matière fibreuse peut être obtenue par voie papetière classique ou également par la technique bien connue des non-tissés. Elle peut être utilisée crêpée ou non crêpée. Dans le premier cas, le crêpage peut être réalisé sur machine à papier ou hors machine. According to an exemplary embodiment, the proportion of artificial fibers consists of cellulose diacetate fibers, the plasticizer used being, in this case, glycerol triacetate. The sheet of fibrous material can be obtained by conventional papermaking or also by the well-known technique of nonwovens. It can be used crepe or non-crepe. In the first case, creping can be performed on a paper machine or outside the machine.
Les fibres d'acétate de cellulose entrant dans le mélange de la nappe fibreuse peuvent provenir de la découpe en courte longueur, par exemple de 5 à 25 mm, de filaments sans fin d'acétate de cellulose, frisés ou non, constituant la mèche, ou câble, communément utilisée pour la réalisation des filtres à cigarettes en acétate. Selon un mode de réalisation préférentiel, les fibres d'acétate entrant dans la composition de la nappe représentant 25% en poids sec par rapport au mélange fibreux total, le complément étant constitué de 75% de fibres de cellulose naturelle. The cellulose acetate fibers entering the mixture of the fibrous web can come from the short-length cutting, for example from 5 to 25 mm, of endless filaments of cellulose acetate, crimped or not, constituting the wick, or cable, commonly used for the production of acetate cigarette filters. According to a preferred embodiment, the acetate fibers used in the composition of the sheet representing 25% by dry weight relative to the total fibrous mixture, the balance consisting of 75% of natural cellulose fibers.
Cette nappe fibreuse peut se présenter sous la forme de bobines et sa transformation préalablement à sa conformation en filtres à cigarettes nécessite les étapes suivantes: This fibrous sheet can be in the form of coils and its transformation prior to its conformation into cigarette filters requires the following steps:
— dévidage de la bobine, - reel unwinding,
— humidification de la nappe par de l'eau si nécessaire en fonction de la qualité du produit à obtenir, - humidification of the sheet with water if necessary depending on the quality of the product to be obtained,
— gaufrage sous forme de fines cannelures longitudinales ou crêpage en long, - embossing in the form of fine longitudinal grooves or lengthwise creping,
— séchage éventuel, - possible drying,
— application par un quelconque des moyens connus dans le domaine de la fabrication des filtres en acétate, par exemple par projection, d'un plastifiant spécifique du matériau constitutif des fibres artificielles mises en œuvre dans la nappe. - Application by any of the means known in the field of the manufacture of acetate filters, for example by spraying, of a specific plasticizer of the material constituting the artificial fibers used in the sheet.
Dans le cas de fibres en acétate de cellulose, le plastifiant retenu peut être du triacétate de glycérol et sa proportion est nécessairement inférieure à 20% par rapport au poids total du filtre à obtenir. In the case of cellulose acetate fibers, the plasticizer used may be glycerol triacetate and its proportion is necessarily less than 20% relative to the total weight of the filter to be obtained.
La nappe fibreuse ainsi imprégnée de plastifiant est conformée géométriquement ou de façon aléatoire, en boudin cylindrique filtrant, la plastification commençant dès le dépôt du plastifiant sur la nappe et se prolongeant bien au-delà de la conformation de la nappe, ce qui crée, d'une part, un réseau de liaison interfibres dans la trame fibreuse artificielle de la nappe et, d'autre part, un réseau de liaison interfibres entre les faces, zones ou points en contact de la nappe conformée en boudin. The fibrous sheet thus impregnated with plasticizer is geometrically or randomly shaped into a filtering cylindrical rod, the plasticization starting from the deposition of the plasticizer on the sheet and extending well beyond the conformation of the sheet, which creates, d on the one hand, an interfiber bonding network in the artificial fibrous web of the web and, on the other hand, an interfiber connecting network between the faces, zones or points in contact with the web shaped into a bead.
Le pourcentage des fibres artificielles dans la nappe peut être de 20 à 30% en poids sec par rapport au mélange fibreux, le complément étant constitué de 80 à 70% de fibres de cellulose naturelle. The percentage of artificial fibers in the web may be 20 to 30% by dry weight relative to the fibrous mixture, the balance being made up of 80 to 70% of natural cellulose fibers.
Le présent procédé offre les avantages suivants, au niveau des filtres à cigarettes obtenus: The present process offers the following advantages, in terms of the cigarette filters obtained:
— bonne compacité et bonne élasticité avant et pendant l'opération de fumage, en raison de la présence des deux réseaux de liaison interfibres qui, par leur rigidité et leur insensibilité vis-à-vis de l'humidité de la fumée de tabac et de la salive du fumeur, participent activement au renforcement de l'ossature du filtre, - good compactness and good elasticity before and during the smoking operation, due to the presence of the two interfiber bonding networks which, by their rigidity and their insensitivity to the humidity of tobacco smoke and the smoker's saliva, actively participate in strengthening the filter frame,
— bonne rétention des goudrons et de la nicotine de la fumée de tabac en raison de la forte proportion de fibres cellulosiques naturelles, - good retention of tar and nicotine from tobacco smoke due to the high proportion of natural cellulosic fibers,
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— rétention sélective de certains produits toxiques de la fumée de tabac, tels que les phénols, en raison de la présence du plastifiant choisi à cet effet, par exemple le triacétate de glycérol, - selective retention of certain toxic products from tobacco smoke, such as phenols, due to the presence of the plasticizer chosen for this purpose, for example glycerol triacetate,
— amélioration des propriétés organoleptiques de la fumée de tabac après son passage dans le filtre, notamment dans le cas du 5 - improvement of the organoleptic properties of tobacco smoke after it has passed through the filter, in particular in the case of 5
626238 626238
tabac blond flue cured en raison de la présence, dans la nappe, d'acétate de cellulose. flue cured blond tobacco due to the presence of cellulose acetate in the tablecloth.
Ainsi, le filtre obtenu allie les avantages d'un filtre à cigarettes classique en papier et les avantages d'un filtre en acétate tout en limitant les inconvénients respectifs de ces deux types de filtres. Thus, the filter obtained combines the advantages of a conventional paper cigarette filter and the advantages of an acetate filter while limiting the respective drawbacks of these two types of filters.
R R
Claims (6)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7738958A FR2412272A1 (en) | 1977-12-23 | 1977-12-23 | PROCESS FOR THE REALIZATION OF CIGARETTE FILTERS AND FILTERS THUS OBTAINED |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH626238A5 true CH626238A5 (en) | 1981-11-13 |
Family
ID=9199267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH990378A CH626238A5 (en) | 1977-12-23 | 1978-09-22 |
Country Status (20)
| Country | Link |
|---|---|
| JP (1) | JPS597312B2 (en) |
| AT (1) | AT366896B (en) |
| BE (1) | BE870184A (en) |
| CA (1) | CA1092932A (en) |
| CH (1) | CH626238A5 (en) |
| DE (1) | DE2841077A1 (en) |
| DK (1) | DK576978A (en) |
| ES (1) | ES473548A1 (en) |
| FI (1) | FI66112C (en) |
| FR (1) | FR2412272A1 (en) |
| GB (1) | GB2012553B (en) |
| GR (1) | GR64988B (en) |
| IT (1) | IT1192751B (en) |
| LU (1) | LU80358A1 (en) |
| NL (1) | NL7809454A (en) |
| NO (1) | NO148139C (en) |
| OA (1) | OA06066A (en) |
| PT (1) | PT68581A (en) |
| SE (1) | SE7810911L (en) |
| ZA (1) | ZA785665B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0092996A1 (en) * | 1982-04-26 | 1983-11-02 | Cristopher Ralph Bale | Tipping assembly for an elongate smoking article, and method for making the same |
| CA2213449A1 (en) * | 1995-03-06 | 1996-09-12 | Weyerhaeuser Company | Fibrous web having improved strength and method of making the same |
| GB2474694B (en) | 2009-10-23 | 2011-11-02 | Innovia Films Ltd | Biodegradable composites |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE524822A (en) * | 1952-12-05 | |||
| GB1014223A (en) * | 1961-07-03 | 1965-12-22 | Kurashiki Rayon Kk | Tobacco smoke filters and method of making the same |
| US3227164A (en) * | 1963-07-23 | 1966-01-04 | Eastman Kodak Co | Tobacco smoke filter |
| DE2127293C3 (en) * | 1971-06-02 | 1980-07-31 | Hauni-Werke Koerber & Co Kg, 2050 Hamburg | Device for applying a plasticizer to a continuous strip of spread filter rope for the manufacture of filters for rod-shaped articles in the tobacco processing industry |
| JPS5115120B2 (en) * | 1972-08-17 | 1976-05-14 | ||
| CH583529A5 (en) * | 1974-03-28 | 1977-01-14 | Hoechst Ag |
-
1977
- 1977-12-23 FR FR7738958A patent/FR2412272A1/en active Granted
-
1978
- 1978-09-04 BE BE190236A patent/BE870184A/en not_active IP Right Cessation
- 1978-09-11 GR GR57195A patent/GR64988B/en unknown
- 1978-09-18 NL NL7809454A patent/NL7809454A/en not_active Application Discontinuation
- 1978-09-21 DE DE19782841077 patent/DE2841077A1/en not_active Withdrawn
- 1978-09-21 PT PT68581A patent/PT68581A/en unknown
- 1978-09-21 ES ES473548A patent/ES473548A1/en not_active Expired
- 1978-09-22 CH CH990378A patent/CH626238A5/fr not_active IP Right Cessation
- 1978-10-03 OA OA56626A patent/OA06066A/en unknown
- 1978-10-06 ZA ZA00785665A patent/ZA785665B/en unknown
- 1978-10-10 LU LU80358A patent/LU80358A1/en unknown
- 1978-10-19 SE SE7810911A patent/SE7810911L/en unknown
- 1978-10-26 CA CA314,446A patent/CA1092932A/en not_active Expired
- 1978-10-27 FI FI783283A patent/FI66112C/en not_active IP Right Cessation
- 1978-10-27 IT IT83492/78A patent/IT1192751B/en active
- 1978-11-09 GB GB7843893A patent/GB2012553B/en not_active Expired
- 1978-11-10 NO NO783790A patent/NO148139C/en unknown
- 1978-12-04 JP JP53149897A patent/JPS597312B2/en not_active Expired
- 1978-12-22 DK DK576978A patent/DK576978A/en not_active Application Discontinuation
- 1978-12-27 AT AT0929378A patent/AT366896B/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BE870184A (en) | 1979-01-02 |
| FI783283A7 (en) | 1979-06-24 |
| AT366896B (en) | 1982-05-10 |
| NO148139B (en) | 1983-05-09 |
| FR2412272A1 (en) | 1979-07-20 |
| JPS597312B2 (en) | 1984-02-17 |
| DK576978A (en) | 1979-06-24 |
| LU80358A1 (en) | 1979-03-19 |
| NO783790L (en) | 1979-06-26 |
| FI66112B (en) | 1984-05-31 |
| PT68581A (en) | 1978-10-01 |
| ZA785665B (en) | 1979-09-26 |
| FR2412272B1 (en) | 1980-08-22 |
| FI66112C (en) | 1984-09-10 |
| IT7883492A0 (en) | 1978-10-27 |
| JPS54117099A (en) | 1979-09-11 |
| ES473548A1 (en) | 1979-04-01 |
| ATA929378A (en) | 1981-10-15 |
| OA06066A (en) | 1981-06-30 |
| IT1192751B (en) | 1988-05-04 |
| DE2841077A1 (en) | 1979-07-05 |
| GB2012553B (en) | 1982-06-16 |
| NL7809454A (en) | 1979-06-26 |
| NO148139C (en) | 1983-08-17 |
| CA1092932A (en) | 1981-01-06 |
| GB2012553A (en) | 1979-08-01 |
| SE7810911L (en) | 1979-06-24 |
| GR64988B (en) | 1980-06-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |