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PH12021550151A1 - Variable-ventilation filter tip and cigarette - Google Patents

Variable-ventilation filter tip and cigarette

Info

Publication number
PH12021550151A1
PH12021550151A1PH12021550151APH12021550151APH12021550151A1PH 12021550151 A1PH12021550151 A1PH 12021550151A1PH 12021550151 APH12021550151 APH 12021550151APH 12021550151 APH12021550151 APH 12021550151APH 12021550151 A1PH12021550151 A1PH 12021550151A1
Authority
PH
Philippines
Prior art keywords
phase
ventilation
change
filter element
cigarette
Prior art date
Application number
PH12021550151A
Inventor
Xi Liu
Feng Li
Yibo Liu
Jing Hu
Ruifeng Zhao
Rongfei Ye
Dan Li
Jing Shan
Original Assignee
China Tobacco Guangdong Ind Co
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 China Tobacco Guangdong Ind CofiledCriticalChina Tobacco Guangdong Ind Co
Publication of PH12021550151A1publicationCriticalpatent/PH12021550151A1/en

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Abstract

The invention discloses a variable-ventilation filter tip and a cigarette. The above filter tip includes a filter element including a smoke inlet end and a smoke release end and a coating layer wrapping the filter element; a phase-change ventilation area and a non-phase-change ventilation area are arranged on the coating layer, a plurality of first ventilation holes are arranged in the phase-change ventilation area, and a plurality of second ventilation holes are arranged in the non-phase-change ventilation area; outside air penetrates through the coating layer through the first ventilation holes and the second ventilation holes to enter a part of the filter element; a part in the filter element close to the smoke inlet end is provided with a starch tube; and a phase-change material is filled in the first ventilation hole; and a phase-change temperature of the phase-change material ranges from 45øC to 60øC.
PH12021550151A2019-07-242021-01-19Variable-ventilation filter tip and cigarettePH12021550151A1 (en)

Applications Claiming Priority (2)

Application NumberPriority DateFiling DateTitle
CN201910672151.4ACN110419773B (en)2019-07-242019-07-24Filter tip and cigarette of variable air volume
PCT/CN2019/102662WO2021012349A1 (en)2019-07-242019-08-27Mouthpiece filter and cigarette having variable ventilation

Publications (1)

Publication NumberPublication Date
PH12021550151A1true PH12021550151A1 (en)2021-09-13

Family

ID=68412133

Family Applications (1)

Application NumberTitlePriority DateFiling Date
PH12021550151APH12021550151A1 (en)2019-07-242021-01-19Variable-ventilation filter tip and cigarette

Country Status (8)

CountryLink
US (1)US20210177047A1 (en)
EP (1)EP3799729B1 (en)
JP (1)JP7539319B2 (en)
KR (1)KR102649730B1 (en)
CN (1)CN110419773B (en)
PH (1)PH12021550151A1 (en)
UA (1)UA127234C2 (en)
WO (1)WO2021012349A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
PL4017291T3 (en)*2019-08-232025-03-31Imperial Tobacco LimitedA substitute smoking consumable
CN111067135A (en)*2019-11-292020-04-28云南巴菰生物科技有限公司Plant starch paper cooling section for heating non-burning cigarettes
CN112385882A (en)*2020-04-302021-02-23湖北中烟工业有限责任公司Heating smokable articles and heating non-combustible systems
CN111920090B (en)*2020-09-142022-05-24河南中烟工业有限责任公司Aroma-enhancing and moisture-retaining filter stick and preparation method thereof
CN114587011A (en)*2022-04-072022-06-07河南中烟工业有限责任公司Graded ventilation cigarette and preparation method thereof

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US3526904A (en)*1968-05-101970-09-01Philip Morris IncFilm covered,apertured cigarette wrapper
US6206007B1 (en)*1997-06-162001-03-27Japan Tobacco Inc.Cigarette with a dual-structure filter
JP3181248B2 (en)*1997-10-062001-07-03日本たばこ産業株式会社 Cigarette with filter and filter for cigarette
CN1709169A (en)*2005-07-072005-12-21全传清Cigarette with openable-adjustable-closable venthole
MY177466A (en)*2006-03-282020-09-16Philip Morris Products SaSmoking article with a restrictor
PT1889550E (en)*2006-08-042009-10-26Philip Morris ProdMulti-component filter providing multiple flavour enhancement
GB0823669D0 (en)*2008-12-312009-02-04British American Tobacco CoVentilated smoking article
JP2011205917A (en)*2010-03-292011-10-20British American Tobacco Japan KkVentilation level-variable smoking article
GB201114897D0 (en)*2011-08-302011-10-12British American Tobacco CoSmoking article and method of manufacturing a smoking article
DE102012209544B4 (en)*2012-06-062014-01-16Hauni Maschinenbau Ag Perforation of filter cigarettes
GB201212822D0 (en)*2012-07-182012-09-05Filtrona Filter Prod Dev CoTobacco smoke filter
CN203538354U (en)*2013-09-062014-04-16湖南中烟工业有限责任公司Cigarette prepared with dual-ventilation technology
CN109924539B (en)*2017-12-152021-07-13湖南中烟工业有限责任公司 Forming paper, filter tip, cigarette with automatic ventilation rate regulation, and preparation and application thereof
CN109924542B (en)*2017-12-152021-07-13湖南中烟工业有限责任公司 Cigarette filter tip, cigarette, preparation and application of tipping paper coated phase change material capable of automatically adjusting ventilation rate
CN207653551U (en)*2017-12-152018-07-27湖南中烟工业有限责任公司It is a kind of can automatic ventilation cigarette filter and cigarette
CN207653554U (en)*2017-12-152018-07-27湖南中烟工业有限责任公司A kind of cigarette filter and cigarette of automatic lifting suction later stage ventilation rate
CN207912052U (en)*2018-01-102018-09-28广东中烟工业有限责任公司A kind of low resistance to suction is low to retain non-burning cigarette
CN109820244A (en)*2019-03-202019-05-31福建中烟工业有限责任公司 An aerosol cooling device

Also Published As

Publication numberPublication date
CN110419773A (en)2019-11-08
JP2021535736A (en)2021-12-23
EP3799729B1 (en)2023-12-13
KR102649730B1 (en)2024-03-19
US20210177047A1 (en)2021-06-17
EP3799729A4 (en)2021-11-24
UA127234C2 (en)2023-06-14
KR20210018949A (en)2021-02-18
EP3799729A1 (en)2021-04-07
JP7539319B2 (en)2024-08-23
CN110419773B (en)2022-04-29
WO2021012349A1 (en)2021-01-28

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