Title:
HIGH-EFFICIENCY TAR-REDUCING CIGARETTE FILTER, AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/092854
Kind Code:
A1
Abstract:
A high-efficiency tar-reducing cigarette filter, and a preparation method therefor and an application thereof. The cigarette filter comprises: a smoke inlet (1), a smoke outlet (2), an outer housing (3), and an inner housing (4) sleeved inside the outer housing (3); the outer housing (3) comprises a first outer housing and a second outer housing connected to each other; the cavity between the first outer housing and the inner housing (4) forms a first smoke channel (5); the cavity inside the second outer housing forms a second smoke channel (6); one end of the inner housing (4) is connected to one end of the first outer housing by means of a connecting surface; the smoke inlet (1) is disposed on the connecting surface and communicated with the first smoke channel (5); the smoke outlet (2) is communicated with the second smoke channel (6); the side wall of the second outer housing is provided with an air inlet (7); smoke passes through the smoke inlet (1) and the first smoke channel (5) in sequence, is mixed, in the second smoke channel (6), with the air flowing in from the air inlet (7), and then finally flows out of the filter through the smoke outlet (2).
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Inventors:
LI LIQUN (CN)
CHEN CHEN (CN)
QIAO YUEMEI (CN)
JI XUDONG (CN)
DU HE (CN)
XU YANRAN (CN)
GUO CHUNSHENG (CN)
CHAI YING (CN)
YE YAJUN (CN)
WANG WEIHUA (CN)
ZHAO SAIYUE (CN)
GAO LEI (CN)
LIU QIANG (CN)
GUO XIAOWEI (CN)
ZHANG LING (CN)
CHEN CHEN (CN)
QIAO YUEMEI (CN)
JI XUDONG (CN)
DU HE (CN)
XU YANRAN (CN)
GUO CHUNSHENG (CN)
CHAI YING (CN)
YE YAJUN (CN)
WANG WEIHUA (CN)
ZHAO SAIYUE (CN)
GAO LEI (CN)
LIU QIANG (CN)
GUO XIAOWEI (CN)
ZHANG LING (CN)
Application Number:
PCT/CN2022/073785
Publication Date:
June 01, 2023
Filing Date:
January 25, 2022
Export Citation:
Assignee:
INNER MONGOLIA KUNMING CIGARETTE LLC (CN)
International Classes:
A24D3/08; A24D3/02; C08K5/134; C08L23/12; C08L53/02; C08L91/06
Domestic Patent References:
| WO2013042609A1 | 2013-03-28 |
Foreign References:
| CN111567866A | 2020-08-25 | |||
| CN1594482A | 2005-03-16 | |||
| CN107224007A | 2017-10-03 | |||
| CN105686074A | 2016-06-22 | |||
| TW202008897A | 2020-03-01 | |||
| US20200107574A1 | 2020-04-09 |
Attorney, Agent or Firm:
BEIJING JUNHUI INTELLECTUAL PROPERTY AGENT OFFICE (ORDINARY PARTNERSHIP) (CN)
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