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Multi-filter for a smoking product

A technology for filters and tobacco products, which is applied in the field of ventilation multi-filters, which can solve the problems of unfavorable influence and removal of cigarette taste, and achieve the effect of long-lasting shape stability

Inactive Publication Date: 2011-10-05
BRITISH AMERICAN TOBACCO (INVESTMENTS) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time certain substances that are welcome in cigarette smoke, like flavors for example, may also be detrimentally removed from cigarette smoke
This may have an adverse effect on the taste of the cigarette

Method used

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  • Multi-filter for a smoking product
  • Multi-filter for a smoking product
  • Multi-filter for a smoking product

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] figure 1A filter tip for smoking products according to the present invention is shown, and the whole of the smoking products is indicated by reference numeral 1 . Arranged at the end of the smoking article 1 facing the smoker is a filter 8 which in turn comprises filter sections 2 and 3 . The filter section 2 is adjacent to the filter outlet 4 through which the smoke delivered to the smoker flows out of the smoking article. The filter segment 2 comprises a filter base element 2a made of cellulose acetate tow and a base envelope 2b arranged on the circumference of the filter segment 2, the latter being connected to the filter base element 2a through a first The filter segment 2 is glued on almost the entire cylindrical circumference. In addition, it is evenly distributed on the circumference of the filter segment 2, forming three voids 9 arranged parallel to the central longitudinal axis of the smoking article 1, which are used to guide the ventilation air and to guide...

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PUM

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Abstract

Filter for a smoking product (1), comprising a first filter segment (2) and a second filter segment (3), wherein the first filter segment (2) comprises a component that is given off into a smoke stream passing through a filter outlet opening (4), and the second filter segment (3) comprises a sorption means (6) that absorbs a component from a smoke stream passing through the filter inlet opening (5).

Description

technical field [0001] The present invention relates to a ventilated multi-filter for smoking articles, having at least two filter segments, at least one filter segment comprising a component to be discharged into the smoke stream and at least one other filter segment comprising a An absorbent that absorbs a component of the smoke stream, and at least one filter segment has at least one void on the circumference. Background technique [0002] Cigarette filters are known in the technical background, which are filled, for example, with activated charcoal which absorbs undesirable substances from cigarette smoke. At the same time certain substances which are favored in cigarette smoke, such as flavors for example, can also be detrimentally removed from cigarette smoke. This may adversely affect the taste of the cigarette. Contents of the invention [0003] The object of the present invention is to provide a filter for smoking products and also to propose a method for produc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A24D3/04
CPCA24D3/043A24D3/048A24D1/045A24D3/0287
Inventor H.格尔聪卡M.肖斯尼希E.尼卡P.奥利维拉M.杜克J.理查森M.尼科莱瓦
Owner BRITISH AMERICAN TOBACCO (INVESTMENTS) LTD