EP0930024A1 - Filterelement zum Einbauen im unrauchbaren Teil einer Zigarette - Google Patents

Filterelement zum Einbauen im unrauchbaren Teil einer Zigarette Download PDF

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Publication number
EP0930024A1
EP0930024A1 EP99100744A EP99100744A EP0930024A1 EP 0930024 A1 EP0930024 A1 EP 0930024A1 EP 99100744 A EP99100744 A EP 99100744A EP 99100744 A EP99100744 A EP 99100744A EP 0930024 A1 EP0930024 A1 EP 0930024A1
Authority
EP
European Patent Office
Prior art keywords
smoke
filter
filtering element
chamber
path
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.)
Withdrawn
Application number
EP99100744A
Other languages
English (en)
French (fr)
Inventor
Giuseppe Votta
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.)
IMMOBILIARE PISCO Srl
Original Assignee
IMMOBILIARE PISCO Srl
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 IMMOBILIARE PISCO Srl filed Critical IMMOBILIARE PISCO Srl
Publication of EP0930024A1 publication Critical patent/EP0930024A1/de
Withdrawn legal-status Critical Current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
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure

Definitions

  • the object of this model is to get the aim that was searched since a long time and wished by many persons of having a filter that approaches to a perfect filter that allows to smoke a cigarette without breathing the greatest part of carbonised elements generated by combustion of tobacco and paper that form the cigarette.
  • this invention can be contained in a part of usual filter made of cellulose fibres, occupying a volume equal to one third of this normal filter and does not influence the aspect and tactile feeling of the cigarette and it seems to have a freeing effect on the smoker's psychology with the collateral effects that can be easily imagined.
  • the invention principle is substantially to create a labyrinth chamber of various embodiments, that allows to increase the permanence time of the smoke within the labyrinth chamber and then to deposit a greater quantity of carbonised materials, higher than the quantity deposited during the crossing of an usual cellulose filter. Further the smoke humidity is reduced as the smoke exits out of proposed filter with a temperature lower than the usual temperature owing to the longer smoke path within the filter. Further the labyrinth layout allows to get a further filter having very reduced dimensions that has a limited cost, as it can be obtained by injection molding of plastic material or cellulose-based material having low cost.
  • the labyrinth chamber collecting the smoke is here termed as hyperbaric chamber, as it is believed that it is caused an increase of partial smoke pressure within this chamber owing to greater resistance to the smoke passage during its outlet from the cigarette.
  • this filter holds at least 80% of the total tar contained in the smoke of cigarette and it reduces the nicotine to low levels so that it is not harmful to health.
  • the running principle of the proposed filter is to generate some chambers with smoke path in serpentine or zigzag form, that reduces the smoke temperature and then its carbon deposits.
  • FIG. 1 is a section of a cigarette 1 with the part TA holding tobacco and the traditional filter F with the new cartridge KA made of cellulose material or incombustible plastic material that can be porous and with rough surfaces for a better collection of carbonised materials.
  • This cartridge KA is limited superiorly by a superior circular wall 2 and by an equal lower wall 3 and by a cylindrical wall 4 that surrounds the whole internal chamber CA.
  • the walls 2 and 4 are crossed by two pipes C1 and C2 projecting towards the inside of chamber CA and having a length higher than the half of the thickness of cartridge KA.
  • the walls 2 and 3 are not necessarily plate, but can be slightly conical with vertex towards the inside of the chamber CA.
  • the path of smoke S through the pipe C1, the chamber CA and the pipe C2 is shaped in the serpentine or zigzag form. In this manner the smoke is cooled and causes a certain internal pressure increase within the chamber CA, condensing a great part of its burnt carbon content. Probably the major part of carbon formed in the combustion will be deposited on the raw internal walls of cartridge KA and then the smoke crosses the normal cigarette cellulose filter. As it can be seen in Figure 1A (section A-A1 of Figure 1), the pipes C1 and C2 are diametrically opposed for maximising the smoke path within the filter KA, reducing in this manner the heavy carbon content to the minimum possible value.
  • the Figure 2 shows a section of another filter KA formed by the superior and lower walls 2, 3, and by the cylindrical wall 4 and by a central element 5 having a truncated conical form.
  • the superior wall 2 has a central hole 7, while the lower wall 3 has two opposed holes 8, 9, diametrically opposed and near to the filter periphery.
  • the central body 5 is arranged on the cigarette axis, but has a cavity 6 suitable to deviate the smoke along the path included from the two holes 8, 9 and the hole 7, so that it is increased the smoke path in a certain extent within the filter, this path having a conical spiral form, therefore it is guaranteed a longer permanence time within the internal chamber CA, that allows a better absorption of tar.
  • the proposed filter can be molded in three parts, a part forming the housing sing 3, 4, another part made by the truncated cone 5 and the third part forming the superior cover 2.
  • the initial passage holes 8,9 let pass a certain smoke quantity, that in the following is braked by the presence of a sole outlet hole 7, therefore it is caused a limited pressure increase in the filter inside. Even if it is necessary to use adhesives, it will be clear to the skilled technicians that this element can be made easily by automatic machines and then its fabrication is economical.
  • the Figure 3 shows a third filter type with two plate walls 2,3 and cylindrical wall 4.
  • the internal volume of filter KA cylinder holds a certain number of elements 10, substantially having a cylindrical form, supplied with protuberances 11 of various forms, but substantially in the form of ship bow, that form superiorly a plate cavity 12, therefore it is caused a high deviation of the smoke flow within the chamber KA and then the outlet from the central hole 13.
  • a certain number of these elements 10 are overlapped, then it is generated a long serpentine path, that allows a greater carbon deposit within the internal chamber.
  • the efficiency of this solution will be more efficacious, although its cost is greater than the preceding solutions.

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
EP99100744A 1998-01-19 1999-01-16 Filterelement zum Einbauen im unrauchbaren Teil einer Zigarette Withdrawn EP0930024A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI980022U 1998-01-19
IT1998MI000022U IT243724Y1 (it) 1998-01-19 1998-01-19 Elemento filtrante da incorporare nella sezione non fumabile dellasigaretta

Publications (1)

Publication Number Publication Date
EP0930024A1 true EP0930024A1 (de) 1999-07-21

Family

ID=11378522

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99100744A Withdrawn EP0930024A1 (de) 1998-01-19 1999-01-16 Filterelement zum Einbauen im unrauchbaren Teil einer Zigarette

Country Status (2)

Country Link
EP (1) EP0930024A1 (de)
IT (1) IT243724Y1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105433436A (zh) * 2015-11-24 2016-03-30 云南养瑞科技集团有限公司 一种含有过滤器的三元复合滤棒
CN106820262A (zh) * 2017-04-14 2017-06-13 成都市开悦化纤有限公司 使用在抽烟状态下的过滤嘴
JP2019513388A (ja) * 2016-04-20 2019-05-30 湖北中煙工業有限責任公司 煙の低温化及び喫味の向上が可能な新型タバコ
KR20190089886A (ko) * 2016-12-19 2019-07-31 필립모리스 프로덕츠 에스.에이. 모듈형 조립체를 포함하는 에어로졸 발생 시스템
KR102247018B1 (ko) * 2020-11-09 2021-04-30 문남혁 궐련형 전자담배용 냉각 필터
CN117861345A (zh) * 2024-03-12 2024-04-12 杭州良环科技有限公司 一种工业废气除尘装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL39439C (de) *
US1890920A (en) * 1930-12-13 1932-12-13 James A Strawn Smoking pipe
FR2040837A5 (de) * 1969-04-15 1971-01-22 Amzalak Edward
DE2152122A1 (de) * 1970-10-21 1972-04-27 Blasius Brot Filter fuer Rauchergegenstaende,insbesondere Zigaretten,Zigarren,Zigarettenspitzen,Tabakpfeifen usw.
US3800805A (en) * 1971-10-11 1974-04-02 Brown & Williamson Tobacco Smoking articles
FR2250265A5 (en) * 1973-11-07 1975-05-30 Leroyer Marc Cigarette holder and filter - has two conical smoke passages separated by a filter disc
US4638820A (en) * 1986-02-03 1987-01-27 R. J. Reynolds Tobacco Company Puff control cigarette

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL39439C (de) *
US1890920A (en) * 1930-12-13 1932-12-13 James A Strawn Smoking pipe
FR2040837A5 (de) * 1969-04-15 1971-01-22 Amzalak Edward
DE2152122A1 (de) * 1970-10-21 1972-04-27 Blasius Brot Filter fuer Rauchergegenstaende,insbesondere Zigaretten,Zigarren,Zigarettenspitzen,Tabakpfeifen usw.
US3800805A (en) * 1971-10-11 1974-04-02 Brown & Williamson Tobacco Smoking articles
FR2250265A5 (en) * 1973-11-07 1975-05-30 Leroyer Marc Cigarette holder and filter - has two conical smoke passages separated by a filter disc
US4638820A (en) * 1986-02-03 1987-01-27 R. J. Reynolds Tobacco Company Puff control cigarette

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105433436A (zh) * 2015-11-24 2016-03-30 云南养瑞科技集团有限公司 一种含有过滤器的三元复合滤棒
JP2019513388A (ja) * 2016-04-20 2019-05-30 湖北中煙工業有限責任公司 煙の低温化及び喫味の向上が可能な新型タバコ
EP3446574A4 (de) * 2016-04-20 2019-12-18 Hubei China Tobacco Industry Co., Ltd. Neuartige zigarette mit verminderter tabakdampftemperatur und verbessertem geschmack
KR20190089886A (ko) * 2016-12-19 2019-07-31 필립모리스 프로덕츠 에스.에이. 모듈형 조립체를 포함하는 에어로졸 발생 시스템
KR102590701B1 (ko) 2016-12-19 2023-10-18 필립모리스 프로덕츠 에스.에이. 모듈형 조립체를 포함하는 에어로졸 발생 시스템
US12053021B2 (en) 2016-12-19 2024-08-06 Altria Client Services Llc Aerosol-generating system comprising a modular assembly
CN106820262A (zh) * 2017-04-14 2017-06-13 成都市开悦化纤有限公司 使用在抽烟状态下的过滤嘴
KR102247018B1 (ko) * 2020-11-09 2021-04-30 문남혁 궐련형 전자담배용 냉각 필터
CN117861345A (zh) * 2024-03-12 2024-04-12 杭州良环科技有限公司 一种工业废气除尘装置
CN117861345B (zh) * 2024-03-12 2024-05-24 杭州良环科技有限公司 一种工业废气除尘装置

Also Published As

Publication number Publication date
IT243724Y1 (it) 2002-03-06
ITMI980022U1 (it) 1999-07-19

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