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 PDFInfo
- 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.)
- Pending
Links
- 238000003672 processing method Methods 0.000 title 1
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)
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 (2)
Publication Number | Publication Date |
---|---|
EP4305975A1 EP4305975A1 (en) | 2024-01-17 |
EP4305975A4 true EP4305975A4 (en) | 2024-05-15 |
Family
ID=83027824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP23772391.1A Pending EP4305975A4 (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) | EP4305975A4 (en) |
CN (1) | CN114983017B (en) |
WO (1) | WO2023226522A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2955556B1 (en) * | 1998-05-08 | 1999-10-04 | 日本たばこ産業株式会社 | Tobacco filter |
JP2955557B1 (en) * | 1998-05-08 | 1999-10-04 | 日本たばこ産業株式会社 | Sheath core type 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 |
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 |
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 |
WO2021083891A1 (en) * | 2019-10-28 | 2021-05-06 | 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 |
-
2022
- 2022-05-24 CN CN202210568132.9A patent/CN114983017B/en active Active
-
2023
- 2023-03-10 EP EP23772391.1A patent/EP4305975A4/en active Pending
- 2023-03-10 WO PCT/CN2023/080716 patent/WO2023226522A1/en unknown
Patent Citations (3)
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)
Title |
---|
See also references of WO2023226522A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2023226522A1 (en) | 2023-11-30 |
CN114983017A (en) | 2022-09-02 |
CN114983017B (en) | 2023-08-22 |
EP4305975A1 (en) | 2024-01-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP4305975A4 (en) | Filter rod having hollow outer section and filled inner core, and processing method therefor | |
GB202308693D0 (en) | Composite rod and manufacturing method therefor | |
GB2583352B (en) | Antiresonant hollow core fibre, preform therefor and method of fabrication | |
EP3954799A4 (en) | Steel, wire rod and manufacturing method of wire rod | |
EP3919245A4 (en) | Glue-laminated bamboo having infinite random length, and method for manufacturing same | |
EP4082969A4 (en) | Hierarchical porous zsm-5 molecular sieve, preparation method therefor, hzsm-5 molecular sieve prepared therefrom, and use of molecular sieve | |
EP4006742A4 (en) | Fork processing method and blockchain node | |
EP3993525A4 (en) | Amf node and method therefor | |
EP3993560A4 (en) | Amf node and method therefor | |
EP4241699A4 (en) | Embolic agent and preparation method therefor | |
EP3825036C0 (en) | Core for hollow product manufacture including multilayer filling material and method of manufacturing hollow product using the core | |
EP4043592A4 (en) | Motor core and production method for same | |
KR102231321B9 (en) | Composite rod and manufacturing method thereof | |
EP3874971A4 (en) | Molding apparatus, and cigarette filter rod and preparation method therefor | |
EP4170876A4 (en) | Layered core manufacturing method | |
EP4035800A4 (en) | Method for producing green compact and method for producing sintered body | |
EP4349843A4 (en) | Alpha-salidroside, and preparation method therefor and application thereof | |
EP3741212A4 (en) | Method for manufacturing fishing line guide, fishing line guide, and fishing rod including same | |
EP4046743A4 (en) | Wire rod for welding rods and method for manufacturing same | |
EP4140993A4 (en) | Efficient preparation method for tedizolid intermediate, and intermediate | |
GB2597231B (en) | Method for manufacturing hollow glass, and hollow glass | |
EP4235716A4 (en) | Wound core, method for manufacturing wound core, and wound core manufacturing device | |
EP4034789A4 (en) | Multilayer tube and method for making same | |
EP4109668A4 (en) | Cavity filter and manufacturing method therefor | |
EP4082746A4 (en) | Composite structure and manufacturing method therefor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20230927 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20240417 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: A24D 3/02 20060101ALI20240411BHEP Ipc: A24D 3/04 20060101AFI20240411BHEP |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
INTG | Intention to grant announced |
Effective date: 20240607 |