EP0474940B2 - Konzentrischer Rauchfilter mit Filtriermedien aus Fadenmaterial und Bahnmaterial - Google Patents

Konzentrischer Rauchfilter mit Filtriermedien aus Fadenmaterial und Bahnmaterial Download PDF

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Publication number
EP0474940B2
EP0474940B2 EP90313555A EP90313555A EP0474940B2 EP 0474940 B2 EP0474940 B2 EP 0474940B2 EP 90313555 A EP90313555 A EP 90313555A EP 90313555 A EP90313555 A EP 90313555A EP 0474940 B2 EP0474940 B2 EP 0474940B2
Authority
EP
European Patent Office
Prior art keywords
filter
smoking
plug
central core
tow
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
EP90313555A
Other languages
English (en)
French (fr)
Other versions
EP0474940A1 (de
EP0474940B1 (de
Inventor
Cynthia W. Arterbery
W. Timothy Callaham
Gus D. Keritsis
Morris F. White, Jr.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philip Morris Products SA
Philip Morris Products Inc
Original Assignee
Philip Morris Products SA
Philip Morris Products Inc
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24285429&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0474940(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Philip Morris Products SA, Philip Morris Products Inc filed Critical Philip Morris Products SA
Publication of EP0474940A1 publication Critical patent/EP0474940A1/de
Application granted granted Critical
Publication of EP0474940B1 publication Critical patent/EP0474940B1/de
Publication of EP0474940B2 publication Critical patent/EP0474940B2/de
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
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
    • A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/16—Use of materials for tobacco smoke filters of inorganic materials
    • A24D3/163—Carbon

Definitions

  • filtering media other than cellulose acetate.
  • One such medium is an appropriate sheet or web material.
  • the web material which is gathered into a cylindrical plug, can be paper or any other web material, including cellulose acetate in sheet form. When such web materials are used as filters, they are frequently corrugated before being gathered. Paper webs may also be creped to improve tensile strength.
  • segment 52 is constructed like filter 12, but has a length of only 18-20 mm, while segment 53 is a 7-9 mm long plug of 2.6/42000 cellulose acetate for tow having a denier per fiber of 2.6, a total denier of 42,000, and a "Y" cross-sectional shape.
  • Total filter RTD is between about 125 mm W.G. and about 175 mm W.G., preferably about 141 mm W.G.
  • the RTD of segment 53 is between about 15 mm W.G. and about 45 mm W.G., preferably about 36 mm W.G.
  • the RTD of segment 52 is between about 85 mm W.G.
  • the cigarette also exhibited a pattern of visible deposition of filtrate on the end of the filter much more like a tow filter as opposed to a web filter, even though most of the filtrate was deposited on the web core. This is believed to be the result of the smoke being forced into core 21 as the ventilation air is introduced at holes 15, and then trying to spread back into peripheral tow layer 20 through permeable wrapper 23.
  • the filter of this invention will improve the taste of low delivery cigarettes. It is also possible that the filter of this invention may offer similar performance at higher deliveries. For example, a medium delivery cigarette may be perceived as a full-flavor cigarette.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Filtering Materials (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Claims (21)

  1. Raucherwaren-Filter mit einem Filterstopfen (12, 31, 52, 62), der einen Mittelkern (21, 40, 54, 64) aus einem ersten Filtermaterial und eine Umfangsschicht (20, 41, 55, 65) aus einem zweiten Filtermaterial hat, die den Mittelkern umgibt, und mit einem Mundstückpapier (14) um die Umfangsschicht herum, wobei eines der ersten und zweiten Materialien ein Faserstrang ist und das andere der ersten und zweiten Materialien ein zusammengezogenes, gewelltes Bahnmaterial ist, wobei das Mundstückpapier Löcher (15) für den Zugang von Luft in die Umfangsschicht hat, wobei der Filterstopfen einen Zugwiderstand von zwischen etwa 130 mm Wassersäule und etwa 195 mm Wassersäule hat, wobei der Mittelkern einen Zugwiderstand von zwischen etwa 285 mm Wassersäule und etwa 450 mm Wassersäule hat und wobei der Mittelkern in eine poröse Stopfenumhüllung (23, 43) gewickelt ist, um den Durchgang von Rauch zwischen der Umfangsschicht und dem Mittelkern zuzulassen.
  2. Raucherwaren-Filter nach Anspruch 1, bei dem das erste Filtermaterial (21) das Bahnmaterial und das zweite Filtermaterial (20) der Faserstrang ist.
  3. Raucherwaren-Filter nach Anspruch 2, bei dem das zweite Material ein Zelluloseacetatstrang ist, welcher ein Denier pro Filament von etwa 8,0 und eine Gesamt-Denier-Zahl von 25.000 bis 30.000, vorzugsweise etwa 30.000, hat.
  4. Raucherwaren-Filter nach Anspruch 1, bei dem das erste Filtermaterial (40) der Faserstrang ist und das zweite Filtermaterial (41) das Bahnmaterial ist.
  5. Raucherwaren-Filter nach Anspruch 4, bei dem das erste Fasermaterial ein Zelluloseacetatstrang ist, welcher ein Denier pro Filament von etwa 1,6 und eine Gesamt-Denier-Zahl von etwa 35.000 hat.
  6. Raucherwaren-Filter nach einem der Ansprüche 1 bis 5, bei dem das Bahnmaterial Papier ist.
  7. Raucherwaren-Filter nach Anspruch 6, bei dem das Papier gekrept wird, bevor es gewellt und zusammengezogen wird.
  8. Raucherwaren-Filter nach einem der Ansprüche 1 bis 5, bei dem das Bahnmaterial eine Vliesstoffbahn ist.
  9. Raucherwaren-Filter nach Anspruch 8, bei dem die Vliesstoffbahn ein Zelluloseacetatflächengebilde ist.
  10. Raucherwaren-Filter nach einem der Ansprüche 1 bis 9, bei dem das zusammengezogene, gewellte Bahnmaterial in eine Stopfenumhüllung (23, 42) gewickelt ist.
  11. Raucherwaren-Filter nach Anspruch 10, bei dem die Stopfenumhüllung (23) Aromastoffkomponenten enthält.
  12. Raucherwaren-Filter nach Anspruch 11, bei dem die Stopfenumhüllung (23) ein Tabak enthaltendes Material, wie aufgeschlossene Tabakblätter, aufweist.
  13. Raucherwaren-Filter nach Anspruch 11, bei dem die Stopfenumhüllung (23) ein Stopfenumhüllungspapier aufweist, auf dem Aromastoffkomponenten, vorzugsweise lösliche Tabakkomponenten, aufgebracht sind.
  14. Raucherwaren-Filter nach Anspruch 1, 2 oder 3, welchereinen Filterwirkungsgrad von etwa 61 % im unbelüfteten Zustand hat.
  15. Raucherwaren-Filter nach einem der vorangehenden Ansprüche, welcher eine Belüftungsrate zwischen 65 % und 75 % hat.
  16. Raucherwaren-Filter nach einem der vorangehenden Ansprüche, bei dem der Kern (21, 40) eine Querschnittsfläche hat, welche etwa 60 % der Gesamtquerschnittsfläche des Filters einnimmt.
  17. Raucherwaren-Filter nach Anspruch 1, 2 oder 3, bei dem der Filter einen Zugwiderstand von etwa 146 mm Wassersäule hat und der Mittelkern (21) einen Zugwiderstand von etwa 400 mm Wassersäule hat.
  18. Raucherwaren-Filter nach Anspruch 1, 4 oder 5, bei dem der Filter einen Zugwiderstand von zwischen etwa 165 mm Wassersäule und etwa 195 mm Wassersäule hat und der Mittelkern (40) einen Zugwiderstand von zwischen etwa 285 mm Wassersäule und etwa 385 mm Wassersäule hat.
  19. Raucherwaren-Filter nach einem der Ansprüche 1 bis 16, welcher ferner einen zweiten Filterstopfen (53) aus einem Zelluloseacetatstrang angrenzend an den erstgenannten Filterstopfen (52) aufweist.
  20. Raucherwaren-Filter nach einem der Ansprüche 1 bis 18, welcher ferner ein Mundstückpapier (14) aufweist, welches um denselben gewickelt ist, wobei das Mundstückpapier sich über ein Ende des Filterstopfens (62) hinaus zur Anbringung des Filters an einer Zigarette und über das gegenüberliegende Ende des Filterstopfens hinaus zur Bildung der mundstückseitigen Ausnehmung in dem Filter erstreckt.
  21. Raucherwaren-Filter nach einem der Ansprüche 1 bis 17, bei dem die Umfangsschicht (20) einen niedrigeren Zugwiderstand als der Mittelkern (21) hat.
EP90313555A 1990-08-24 1990-12-13 Konzentrischer Rauchfilter mit Filtriermedien aus Fadenmaterial und Bahnmaterial Expired - Lifetime EP0474940B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US57187890A 1990-08-24 1990-08-24
US571878 1990-08-24

Publications (3)

Publication Number Publication Date
EP0474940A1 EP0474940A1 (de) 1992-03-18
EP0474940B1 EP0474940B1 (de) 1994-12-14
EP0474940B2 true EP0474940B2 (de) 1999-10-06

Family

ID=24285429

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90313555A Expired - Lifetime EP0474940B2 (de) 1990-08-24 1990-12-13 Konzentrischer Rauchfilter mit Filtriermedien aus Fadenmaterial und Bahnmaterial

Country Status (17)

Country Link
EP (1) EP0474940B2 (de)
JP (1) JP2767322B2 (de)
KR (1) KR0175139B1 (de)
AT (1) ATE115369T1 (de)
AU (1) AU635095B2 (de)
CA (1) CA2031727C (de)
DE (1) DE69015185T3 (de)
DK (1) DK0474940T4 (de)
ES (1) ES2066157T5 (de)
FI (1) FI94385C (de)
GR (2) GR3015326T3 (de)
HK (1) HK162995A (de)
HU (1) HU212772B (de)
NO (1) NO176464C (de)
PL (1) PL166314B1 (de)
RU (1) RU1836040C (de)
TR (1) TR25717A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101999755A (zh) * 2010-12-17 2011-04-06 南通烟滤嘴有限责任公司 纸芯同轴滤棒

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5746230A (en) * 1990-08-24 1998-05-05 Philip Morris Incorporated Concentric smoking filter having discrete tow and web filter media
US5365951A (en) * 1990-08-24 1994-11-22 Philip Morris Incorporated Concentric smoking filter having cellulose acetate tow periphery and carbon-particle-loaded web filter core
US5622190A (en) * 1990-08-24 1997-04-22 Philip Morris Incorporated Concentric smoking filter having cellulose acetate tow periphery and carbon-particle-loaded web filter core
EP0638248A1 (de) * 1993-08-12 1995-02-15 Philip Morris Products Inc. Verfahren und Einrichtung zur Herstellung von konzentrischen Filtern aus zwei oder mehreren Materialien
GB9321536D0 (en) * 1993-10-19 1993-12-08 British American Tobacco Co Smoking articles
DE19718296B4 (de) * 1997-04-30 2006-06-29 British American Tobacco (Germany) Gmbh Ventilierte Filtercigarette mit einem koaxialen Filterelement
DE19722812C2 (de) * 1997-05-30 2003-02-13 Bat Cigarettenfab Gmbh Ultraleicht-Koaxialcigarette mit mehrteiligem Filter
JP3387055B2 (ja) * 1997-11-13 2003-03-17 レーンツマ シガレッテンファブリーケン ゲゼルシャフト ミット ベシュレンクテル ハフツング 気相を減らした紙巻きタバコ
DE10009829A1 (de) * 2000-03-01 2001-09-20 Reemtsma H F & Ph Rauchartikel
GB0713905D0 (en) † 2007-07-17 2007-08-29 British American Tobacco Co Cellulose acetate thread in filter
GB0811552D0 (en) * 2008-06-24 2008-07-30 British American Tobacco Co Filter for a smoking article
GB0816933D0 (en) * 2008-09-16 2008-10-22 British American Tobacco Co Filter for a smoking article
ES2706772T3 (es) 2013-03-28 2019-04-01 Philip Morris Products Sa Artículo para fumar que incluye un miembro de suministro del saborizante
CN104188106A (zh) * 2014-08-28 2014-12-10 云南中烟工业有限责任公司 一种高截留效率的卷烟滤嘴及应用
EP3643185A4 (de) * 2017-06-19 2021-05-26 Japan Tobacco, Inc. Rauchartikelfilter und herstellungsverfahren dafür
KR102391290B1 (ko) * 2020-04-22 2022-04-26 주식회사 케이티앤지 흡연 물품용 마우스피스 및 이를 포함하는 흡연 물품 조립체와 흡연 물품 패키지

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US3396061A (en) * 1964-06-01 1968-08-06 Celanese Corp Smoke filters
US4034765A (en) * 1975-10-30 1977-07-12 Liggett & Myers Incorporated Tobacco smoke filter
US4082098A (en) * 1976-10-28 1978-04-04 Olin Corporation Flavored cigarette
AU4119078A (en) 1977-11-18 1980-05-08 Philip Morris Inc Filter system
US4355995A (en) * 1979-03-27 1982-10-26 American Filtrona Corporation Tobacco smoke filter providing tobacco flavor enrichment, and method for producing same
US4291711A (en) * 1979-03-27 1981-09-29 American Filtrona Corporation Tobacco smoke filter providing tobacco flavor enrichment, and method for producing same
AU556902B2 (en) * 1981-12-18 1986-11-27 Cigarette Components Limited Tobacco smoke filter
DE3207683C2 (de) * 1982-03-03 1986-06-05 B.A.T. Cigaretten-Fabriken Gmbh, 2000 Hamburg Filter für einen rauchbaren Artikel
GB2119221B (en) * 1982-04-05 1986-05-29 Filtrona Ltd Cigarette filter
DE3743597C1 (de) * 1987-12-22 1989-02-16 Bat Cigarettenfab Gmbh Koaxialcigarette
DE3901226C1 (de) * 1989-01-17 1990-07-26 B.A.T. Cigarettenfabriken Gmbh, 2000 Hamburg, De

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101999755A (zh) * 2010-12-17 2011-04-06 南通烟滤嘴有限责任公司 纸芯同轴滤棒

Also Published As

Publication number Publication date
DE69015185D1 (de) 1995-01-26
AU6774890A (en) 1992-02-27
EP0474940A1 (de) 1992-03-18
AU635095B2 (en) 1993-03-11
HK162995A (en) 1995-10-27
JP2767322B2 (ja) 1998-06-18
RU1836040C (ru) 1993-08-23
HU212772B (en) 1996-11-28
GR3032144T3 (en) 2000-04-27
TR25717A (tr) 1993-09-01
KR920003914A (ko) 1992-03-27
ATE115369T1 (de) 1994-12-15
PL166314B1 (pl) 1995-05-31
HUT64455A (en) 1994-01-28
DE69015185T3 (de) 2000-03-09
DE69015185T2 (de) 1995-05-24
FI94385B (fi) 1995-05-31
ES2066157T5 (es) 1999-12-16
GR3015326T3 (en) 1995-06-30
DK0474940T3 (da) 1995-04-03
KR0175139B1 (ko) 1999-02-18
EP0474940B1 (de) 1994-12-14
HU908366D0 (en) 1991-07-29
NO905639D0 (no) 1990-12-28
DK0474940T4 (da) 2000-04-03
FI906092L (fi) 1992-02-25
CA2031727C (en) 2001-04-10
NO905639L (no) 1992-02-25
JPH06269270A (ja) 1994-09-27
FI94385C (fi) 1995-09-11
FI906092A0 (fi) 1990-12-11
CA2031727A1 (en) 1992-02-25
ES2066157T3 (es) 1995-03-01
NO176464C (no) 1995-04-12
PL288311A1 (en) 1992-02-24
NO176464B (no) 1995-01-02

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