EP4305975A4 - Filter rod having hollow outer section and filled inner core, and processing method therefor - Google Patents

Filter rod having hollow outer section and filled inner core, and processing method therefor Download PDF

Info

Publication number
EP4305975A4
EP4305975A4 EP23772391.1A EP23772391A EP4305975A4 EP 4305975 A4 EP4305975 A4 EP 4305975A4 EP 23772391 A EP23772391 A EP 23772391A EP 4305975 A4 EP4305975 A4 EP 4305975A4
Authority
EP
European Patent Office
Prior art keywords
processing method
inner core
method therefor
outer section
filter rod
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
EP23772391.1A
Other languages
German (de)
French (fr)
Other versions
EP4305975B1 (en
EP4305975A1 (en
Inventor
Baoshan YUE
Zhenhua Yu
Yanfei Shen
Ying Zhang
Tao Wang
Hao Wang
Jiao XIE
Xu Wang
Wei Ding
Han ZHENG
Tingting Yu
Liwei Li
Yao Yu
Yongfa GUI
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.)
China Tobacco Yunnan Industrial Co Ltd
Original Assignee
China Tobacco Yunnan Industrial Co Ltd
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 Yunnan Industrial Co Ltd filed Critical China Tobacco Yunnan Industrial Co Ltd
Publication of EP4305975A1 publication Critical patent/EP4305975A1/en
Publication of EP4305975A4 publication Critical patent/EP4305975A4/en
Application granted granted Critical
Publication of EP4305975B1 publication Critical patent/EP4305975B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • A24D3/0229—Filter rod forming processes
    • 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
    • A24D3/025—Final operations, i.e. after the filter rod forming process
    • A24D3/0254—Cutting means
    • 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
    • A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
    • A24D3/0287—Manufacture of tobacco smoke filters for filters with special features for composite 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
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
    • A24D3/0291—Manufacture of tobacco smoke filters for filters with special features for hollow tipped filters, e.g. recess 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
    • A24D3/061—Use of materials for tobacco smoke filters containing additives entrapped within capsules, sponge-like material or the like, for further release upon smoking
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
EP23772391.1A 2022-05-24 2023-03-10 Filter rod having hollow outer section and filled inner core, and processing method therefor Active EP4305975B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210568132.9A CN114983017B (en) 2022-05-24 2022-05-24 Inner core filled outer hollow filter stick and processing method thereof
PCT/CN2023/080716 WO2023226522A1 (en) 2022-05-24 2023-03-10 Filter rod having hollow outer section and filled inner core, and processing method therefor

Publications (3)

Publication Number Publication Date
EP4305975A1 EP4305975A1 (en) 2024-01-17
EP4305975A4 true EP4305975A4 (en) 2024-05-15
EP4305975B1 EP4305975B1 (en) 2024-08-21

Family

ID=83027824

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23772391.1A Active EP4305975B1 (en) 2022-05-24 2023-03-10 Filter rod having hollow outer section and filled inner core, and processing method therefor

Country Status (3)

Country Link
EP (1) EP4305975B1 (en)
CN (1) CN114983017B (en)
WO (1) WO2023226522A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114983015A (en) * 2022-05-24 2022-09-02 云南中烟工业有限责任公司 Interlayer filled hollow triangular filter rod and processing method thereof
CN114983017B (en) * 2022-05-24 2023-08-22 云南中烟工业有限责任公司 Inner core filled outer hollow filter stick and processing method thereof
CN114983018A (en) * 2022-05-24 2022-09-02 云南中烟工业有限责任公司 Triangular-spaced full-hollow filter stick and forming method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0082734A2 (en) * 1981-12-23 1983-06-29 Filtrona Limited Smoke filters and their production
JP3002173B2 (en) * 1998-05-08 2000-01-24 日本たばこ産業株式会社 Manufacturing method and device for tobacco filter
WO2019110715A1 (en) * 2017-12-08 2019-06-13 Essentra Filter Products Development Co. Pte. Ltd. Tobacco smoke filter

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2955557B1 (en) * 1998-05-08 1999-10-04 日本たばこ産業株式会社 Sheath core type tobacco filter
JP2955556B1 (en) * 1998-05-08 1999-10-04 日本たばこ産業株式会社 Tobacco filter
WO2014080516A1 (en) * 2012-11-26 2014-05-30 日本たばこ産業株式会社 Method for producing filter cigarette, filter, and filter cigarette
CN203207180U (en) * 2013-02-05 2013-09-25 大亚科技股份有限公司 Carbon-added polypropylene cigarette tow and cellulose acetate tow composite filtering nozzle bar
CN103222682A (en) * 2013-04-09 2013-07-31 红云红河烟草(集团)有限责任公司 Binary composite filter rod for cigarettes and processing method and equipment thereof
GB201420733D0 (en) * 2014-11-21 2015-01-07 British American Tobacco Co Apparatus and method for filter manufacture
GB201501527D0 (en) * 2015-01-30 2015-03-18 British American Tobacco Co Apparatus and method for filter manufacture
CN105342005A (en) 2015-11-17 2016-02-24 南通烟滤嘴有限责任公司 Coaxial filter rod with double permeability
CN205432111U (en) * 2015-12-29 2016-08-10 蚌埠卷烟材料厂 Coaxial core filter rod of abnormal shape
CN110353303A (en) * 2018-04-09 2019-10-22 上海烟草集团有限责任公司 A kind of special-shaped coaxial core filter stick and preparation method thereof
CN109043657A (en) * 2018-06-29 2018-12-21 云南巴菰生物科技有限公司 It is a kind of for heating the temperature adjustment filter stick for the tobacco product that do not burn
CN210076559U (en) 2019-05-07 2020-02-18 牡丹江卷烟材料厂有限责任公司 Coaxial type special-shaped hollow filter rod
CN210382609U (en) 2019-05-07 2020-04-24 牡丹江卷烟材料厂有限责任公司 Coaxial hollow filter stick wrapped with groove paper
EP4051023A1 (en) * 2019-10-28 2022-09-07 JT International SA Filter component for an aerosol-generating article
CN113424986B (en) * 2021-07-26 2023-07-04 云南养瑞科技集团有限公司 Fragrant cooling filter tip rod and preparation method thereof
CN114983017B (en) * 2022-05-24 2023-08-22 云南中烟工业有限责任公司 Inner core filled outer hollow filter stick and processing method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0082734A2 (en) * 1981-12-23 1983-06-29 Filtrona Limited Smoke filters and their production
JP3002173B2 (en) * 1998-05-08 2000-01-24 日本たばこ産業株式会社 Manufacturing method and device for tobacco filter
WO2019110715A1 (en) * 2017-12-08 2019-06-13 Essentra Filter Products Development Co. Pte. Ltd. Tobacco smoke filter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023226522A1 *

Also Published As

Publication number Publication date
CN114983017A (en) 2022-09-02
CN114983017B (en) 2023-08-22
WO2023226522A1 (en) 2023-11-30
EP4305975B1 (en) 2024-08-21
EP4305975A1 (en) 2024-01-17

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