EP0054718A1 - Filtre pour l'introduction d'une cigarette - Google Patents

Filtre pour l'introduction d'une cigarette Download PDF

Info

Publication number
EP0054718A1
EP0054718A1 EP81109235A EP81109235A EP0054718A1 EP 0054718 A1 EP0054718 A1 EP 0054718A1 EP 81109235 A EP81109235 A EP 81109235A EP 81109235 A EP81109235 A EP 81109235A EP 0054718 A1 EP0054718 A1 EP 0054718A1
Authority
EP
European Patent Office
Prior art keywords
tubular body
filter
tube
cigarette
cavity
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
EP81109235A
Other languages
German (de)
English (en)
Other versions
EP0054718B1 (fr
Inventor
Peter May
Wolfgang Michel
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Priority to AT81109235T priority Critical patent/ATE16755T1/de
Publication of EP0054718A1 publication Critical patent/EP0054718A1/fr
Application granted granted Critical
Publication of EP0054718B1 publication Critical patent/EP0054718B1/fr
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
    • A24D1/045—Cigars; Cigarettes with mouthpieces or filter-tips with smoke filter means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F13/00—Appliances for smoking cigars or cigarettes
    • A24F13/02—Cigar or cigarette holders
    • A24F13/04—Cigar or cigarette holders with arrangements for cleaning or cooling the smoke
    • A24F13/06—Cigar or cigarette holders with arrangements for cleaning or cooling the smoke with smoke filters

Definitions

  • the innovation concerns clip-on filters for cigarettes intended for single use.
  • Cigarette holders with filter cartridges, which are filled with activated carbon, for example, are said to contain harmful substances contained in tobacco smoke when smoking cigarettes, and substances that are harmful to smokers when smoking are on the market.
  • the innovation is based on the task of proposing filters for single use to be placed on cigarettes, the length of which corresponds to the length of conventional cigarettes with integral mouthpieces, which are highly effective when used as intended due to the special filter insert.
  • the clip-on filter consists of a tubular body and a filter disk arranged in the tubular body cavity.
  • the tubular body preferably consists of plastic film, particularly preferably transparent plastic film.
  • the length of the hollow body advantageously corresponds to the length of cigarette-integral mouthpieces of commercially available cigarettes.
  • the inside diameter of the tube body is adapted to the outside diameter of the cigarette in such a way that the tube body can be pushed onto it, the tube body partially abutting the circumferential surface of the cigarette under slight tension.
  • the first end of the tubular body is the one from which the cigarette is inserted into the tubular body cavity when the filter is used as intended.
  • the second tubular body end is opposite the first; it comprises an abutment and support element which is integral with the tubular body and which partially displaces the mouth opening of the tubular body cavity at the second end of the tubular body, leaving a central opening free.
  • the tubular body can comprise a zone which is conical in such a way that the diameter of the tubular body is in the area thereof steadily enlarged up to the first pipe end.
  • the abutment and holding element integral to the tubular body at the second end of the tubular body serves to fix the position of the filter disk in the hollow space of the tubular body.
  • the technical meaning of the term “abutment and holding element” is intended to include both an end wall with a central circular opening at the second end of the tubular body and an annular flanged edge that is placed inside the hollow body cavity.
  • the abutment and holding element in its two specified structural variants fulfills the same function in relation to the filter disk, namely to determine its position in the tubular body cavity in such a way that when the cigarette is inserted into the tubular body cavity from the first end of the tubular body it is not pushed out of it.
  • the diameter of the tubular body is partially reduced in the region of the tubular body end wall with a central opening or the annular flange in such a way that the filter disk is fixed in position by the elements described.
  • the annular flanged edge which reduces the tube cavity diameter is created by converting an area near the end edge into a thermoformable state at the second end of the tube body and turning it over with an indentation flaps its entire circumference inwards and then cools down.
  • the filter disc has a porous, sponge-like structure and consists of regenerated cellulose (cellulose hydrate).
  • the porous, sponge-like structure of the filter disc makes it permeable to cigarette smoke. Due to its large surface area and the material with a high liquid retention capacity that forms it, the filter disk is highly capable of absorbing and retaining components of the cigarette smoke that are harmful to health or disturb the smoker.
  • the diameter of the filter disk arranged in the tubular body cavity is adapted to the inside diameter of the hollow body in such a way that the inside of the tubular body bears firmly against the circumferential surface of the filter disk which is circular in cross section with the action of a slight compressive force.
  • the filter disk advantageously adjoins with a surface directly on the abutment and holding element of the tubular body.
  • the filter disk has a thickness which advantageously corresponds to approximately a quarter of the length of the hollow body.
  • the Kunststoffolie.besteht from, for example, a tube made of unplasticized polyvinyl chloride, for example, a wall thickness of 100 / um has.
  • An end portion of the plastic tube is then heated to a temperature at which the tube is thermoformable.
  • the heated end section of the tube is then turned over the entire length of the circumference and turned inside the tube cavity in such a way that an annular, circumferential film flange with a central circular opening is formed at the plastic tube end treated in this way.
  • the heat-affected tube area or the flare formed is then allowed to cool.
  • a circular filter disk of the aforementioned design is inserted from the other end of the tube into its cavity and pushed so far in the direction of the second tube end that a surface of the filter disk adjoins the integral flange.
  • the clip-on filter for cigarettes intended for single use can either be pushed onto the mouthpiece side of the cigarette by the cigarette manufacturer or only by the buyer of the cigarette.
  • the clip-on filter for cigarettes is shown schematically and in cross-section as an example.
  • 1 means the tubular body
  • 2 the tubular body cavity
  • 3 the first tubular body end
  • 4 the second tubular body end
  • 5 a conically widening end part of the tubular body
  • 6 is a tubular body-integral, annular flange at the second tubular body end, which is an abutment and holding element integral to the tubular body the filter disc 7 arranged in the tubular body cavity 2 forms.
  • 8 is a cigarette inserted into the tubular body cavity.

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
EP81109235A 1980-12-20 1981-10-29 Filtre pour l'introduction d'une cigarette Expired EP0054718B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81109235T ATE16755T1 (de) 1980-12-20 1981-10-29 Aufsteckfilter fuer zigaretten.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19808033972U DE8033972U1 (de) 1980-12-20 1980-12-20 Aufsteckfilter fuer zigaretten
DE8033972U 1980-12-20

Publications (2)

Publication Number Publication Date
EP0054718A1 true EP0054718A1 (fr) 1982-06-30
EP0054718B1 EP0054718B1 (fr) 1985-12-04

Family

ID=6721603

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81109235A Expired EP0054718B1 (fr) 1980-12-20 1981-10-29 Filtre pour l'introduction d'une cigarette

Country Status (3)

Country Link
EP (1) EP0054718B1 (fr)
AT (1) ATE16755T1 (fr)
DE (2) DE8033972U1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004026052A2 (fr) * 2002-09-18 2004-04-01 Michele Squeo Filtre supplementaire pour cigarettes
WO2011154697A1 (fr) * 2010-06-10 2011-12-15 Filtrona International Limited Filtre pour la fumée de tabac
WO2012053927A1 (fr) * 2010-10-18 2012-04-26 Titov Andrey Mikhailovich Filtre de cigarette
WO2013104616A1 (fr) * 2012-01-09 2013-07-18 Philip Morris Products S.A. Article à fumer présentant un capuchon à double fonction
EP3011846A4 (fr) * 2013-06-20 2016-06-22 Jianghong Liu Cigarette ayant un manchon d'hygiène, et son procédé de fabrication

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8033972U1 (de) * 1980-12-20 1981-05-27 Hoechst Ag, 6000 Frankfurt Aufsteckfilter fuer zigaretten
FR2596252B1 (fr) * 1986-04-16 1989-02-24 Nazzaro Sergio Filtre pour cigarettes apte a etre applique a l'interieur de la cigarette meme

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR425726A (fr) * 1911-02-08 1911-06-19 Eugene Jean Ambroise Portes Filtre à fumée à l'usage des fumeurs
FR1101759A (fr) * 1954-03-23 1955-10-11 Bout amovible filtrant perfectionné pour cigarette ou cigare
US3144023A (en) * 1963-02-06 1964-08-11 Marcel E Morceau Cigar filter
CH394680A (fr) * 1963-11-08 1965-06-30 Petignat Pierre Fume-cigarette ou fume-cigare
DE2722480A1 (de) * 1977-05-18 1978-11-23 Alexander Rudolf Winkler Filtermundstueck fuer zigaretten
US4226250A (en) * 1978-07-12 1980-10-07 Peterson Labs., Inc. Smoking system to filter tobacco smoke
DE8033972U1 (de) * 1980-12-20 1981-05-27 Hoechst Ag, 6000 Frankfurt Aufsteckfilter fuer zigaretten

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR425726A (fr) * 1911-02-08 1911-06-19 Eugene Jean Ambroise Portes Filtre à fumée à l'usage des fumeurs
FR1101759A (fr) * 1954-03-23 1955-10-11 Bout amovible filtrant perfectionné pour cigarette ou cigare
US3144023A (en) * 1963-02-06 1964-08-11 Marcel E Morceau Cigar filter
CH394680A (fr) * 1963-11-08 1965-06-30 Petignat Pierre Fume-cigarette ou fume-cigare
DE2722480A1 (de) * 1977-05-18 1978-11-23 Alexander Rudolf Winkler Filtermundstueck fuer zigaretten
US4226250A (en) * 1978-07-12 1980-10-07 Peterson Labs., Inc. Smoking system to filter tobacco smoke
DE8033972U1 (de) * 1980-12-20 1981-05-27 Hoechst Ag, 6000 Frankfurt Aufsteckfilter fuer zigaretten

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004026052A2 (fr) * 2002-09-18 2004-04-01 Michele Squeo Filtre supplementaire pour cigarettes
WO2004026052A3 (fr) * 2002-09-18 2004-07-08 Michele Squeo Filtre supplementaire pour cigarettes
WO2011154697A1 (fr) * 2010-06-10 2011-12-15 Filtrona International Limited Filtre pour la fumée de tabac
US11918035B2 (en) 2010-06-10 2024-03-05 Filtrona Filter Products Development Co. Pte. Ltd. Tobacco smoke filter
WO2012053927A1 (fr) * 2010-10-18 2012-04-26 Titov Andrey Mikhailovich Filtre de cigarette
WO2013104616A1 (fr) * 2012-01-09 2013-07-18 Philip Morris Products S.A. Article à fumer présentant un capuchon à double fonction
AU2013209060B2 (en) * 2012-01-09 2016-11-24 Philip Morris Products S.A. Smoking article with dual function cap
RU2604480C2 (ru) * 2012-01-09 2016-12-10 Филип Моррис Продактс С.А. Курительное изделие с колпачком двойной функции
US9801412B2 (en) 2012-01-09 2017-10-31 Philip Morris Products S.A. Smoking article with dual function cap
EP3011846A4 (fr) * 2013-06-20 2016-06-22 Jianghong Liu Cigarette ayant un manchon d'hygiène, et son procédé de fabrication

Also Published As

Publication number Publication date
EP0054718B1 (fr) 1985-12-04
DE3173153D1 (en) 1986-01-16
DE8033972U1 (de) 1981-05-27
ATE16755T1 (de) 1985-12-15

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