Title:
喫煙品用フィルターユニット
Document Type and Number:
Japanese Patent JP7222986
Kind Code:
B2
Abstract:
A filter unit for a smoking article includes a tube having a first portion and a second portion, wherein an inner diameter of the first portion is different from an inner diameter of the second portion. The filter unit also includes a sleeve at least partially surrounding the tube. Also described are a smoking article having the filter unit and a kit including a smoking article and the filter unit.
Inventors:
Caldura, curl
Wiffen, Samuel
Wiffen, Samuel
Application Number:
JP2020517906A
Publication Date:
February 15, 2023
Filing Date:
September 28, 2018
Export Citation:
Assignee:
BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED
International Classes:
A24D3/04
Domestic Patent References:
| JP2015509706A | ||||
| JP2010520755A | ||||
| JP60248161A | ||||
| JP59203483A | ||||
| JP2014518079A | ||||
| JP6046821A | ||||
| JP2016501546A |
Foreign References:
| CN201299095Y | ||||
| DE19645563A1 |
Attorney, Agent or Firm:
Satoshi Todoroki