CN219982100U

CN219982100U - Cigarette filter stick

Info

Publication number: CN219982100U
Application number: CN202321540764.0U
Authority: CN
Inventors: 梅小明; 陈飞宇; 聂浩文; 邓鹏�; 蓝文骏; 陈勇; 谢伟; 朱娟
Original assignee: Changde Furong Daya Chemical Fiber Co ltd
Current assignee: Changde Furong Daya Chemical Fiber Co ltd
Priority date: 2023-06-16
Filing date: 2023-06-16
Publication date: 2023-11-10
Anticipated expiration: 2033-06-16

Abstract

The utility model relates to the technical field of cigarettes and discloses a cigarette filter stick which comprises at least one filter tip section formed by wrapping transparent forming paper, wherein the filter tip section comprises a hole-containing filter section, a cavity section and a solid filter section, the cavity section is arranged between the hole-containing filter section and the solid filter section, filter elements for filtering smoke are arranged on the hole-containing filter section and the solid filter section, and at least one row of through holes are formed in the hole-containing filter section by the transparent forming paper. Because the transparent forming paper is provided with at least one row of through holes at the hole-containing filter section, compared with the existing hole-free cavity filter stick, the existence of the through holes obviously improves the ventilation rate of cigarettes, reduces the content of harmful substances such as tar, carbon monoxide and the like in the smoke, and has the advantages of tar reduction, harm reduction and attractive appearance.

Description

Cigarette filter stick

Technical Field

The utility model relates to the technical field of cigarettes, in particular to a cigarette filter stick.

Background

The existing cavity filter stick is formed by high gram weight forming paper, the cavity in the filter stick is invisible to naked eyes, harmful substances such as tar and carbon monoxide in smoke generated during combustion of the prepared cigarette are generally high, and the requirements of tar reduction and harm reduction are difficult to meet.

In summary, how to reduce the content of harmful substances such as tar in the smoke of cigarettes made of the cavity filter rod is a problem to be solved by those skilled in the art.

Disclosure of Invention

In view of the above, the utility model aims to provide a cigarette filter stick, and the transparent forming paper is provided with at least one row of through holes in the pore-containing filter section, so that the ventilation rate of cigarettes is obviously improved, the content of harmful substances such as tar in smoke is reduced, and the requirements of tar reduction and harm reduction are met.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides a cigarette filter stick, includes at least one by transparent shaping paper wrap shaping filter tip section, filter tip section is including containing hole section of straining, cavity section and solid section of straining, the cavity section is located contain hole section of straining with between the solid section of straining, contain hole section of straining with solid section of straining all is equipped with the filter core that is used for filtering the flue gas, transparent shaping paper is in contain hole section of straining to be equipped with at least one row of through-hole.

Preferably, the through holes in the same row are uniformly distributed along the circumferential direction of the filter section containing the holes.

Preferably, the arc distance between the circle centers of two adjacent through holes in the same row is 3-4mm.

Preferably, the filter section with holes is provided with two rows of through holes, and the two rows of through holes are staggered in double rows.

Preferably, the solid filter segments of two adjacent filter segments are connected, and the porous filter segments of two adjacent filter segments are connected.

Preferably, the solid filter segments of the filter segments are connected to the porous filter segments of adjacent filter segments.

Compared with the existing nonporous cavity filter rod, the through holes obviously improve the ventilation rate of cigarettes, reduce the content of harmful substances such as tar, carbon monoxide and the like in smoke and have the advantages of tar reduction, harm reduction and attractive appearance.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a cigarette filter rod provided by the utility model;

FIG. 2 is a schematic view of the structure of a cigarette after being rolled out of the forming paper;

FIG. 3 is a schematic view of an assembly of a cigarette filter rod with a single row of through holes with a tobacco segment;

FIG. 4 is a schematic view of an assembly of a cigarette filter rod with a tobacco segment having a double row of through holes;

fig. 5 is a schematic structural view of a first embodiment of a cigarette filter rod;

fig. 6 is a schematic view of a cigarette filter rod with a second embodiment;

fig. 7 is a schematic structural view of a third embodiment of a cigarette filter rod;

fig. 8 is a schematic structural view of a fourth embodiment of a cigarette filter rod.

In fig. 1-8:

10 is a filter tip section, 1 is a filter section with holes, 2 is a cavity section, 3 is a solid filter section, 4 is transparent forming paper, 5 is a through hole, 6 is a filter element, 20 is a tobacco shred section, and 30 is a tipping paper lap.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The core of the utility model is to provide a cigarette filter stick, at least one row of through holes are arranged outside a hole-containing filter section, so that the ventilation rate of cigarettes is obviously improved, the content of harmful substances such as tar in smoke is reduced, and the requirements of tar reduction and harm reduction are met.

Please refer to fig. 1-8.

The utility model provides a cigarette filter stick, which comprises at least one filter tip section 10 formed by wrapping transparent forming paper 4, wherein the filter tip section 10 comprises a hole-containing filter section 1, a cavity section 2 and a solid filter section 3, the cavity section 2 is arranged between the hole-containing filter section 1 and the solid filter section 3, filter elements 6 for filtering smoke are arranged on the hole-containing filter section 1 and the solid filter section 3, and at least one row of through holes 5 are arranged on the hole-containing filter section 1 of the transparent forming paper 4.

The cigarette filter rod is used for cutting to form a filter segment 10 so as to be connected with a tobacco shred segment 20 in a rolling way; the arrangement mode of the filter tip sections 10 in the cigarette filter stick is not limited, and the solid filter tip sections 3 of two adjacent filter tip sections 10 can be connected, and the porous filter tip sections 1 of two adjacent filter tip sections 10 are connected, as shown in figure 1; it is also possible to provide the solid filter segments 3 of a filter segment 10 to be connected to the porous filter segments 1 of an adjacent filter segment 10; of course, both arrangements may be used.

The actual number, length and arrangement of the filter segments 10 in the cigarette filter rod are determined according to the actual production requirements and are not described in detail herein.

The filter tip section 10 is formed by wrapping transparent forming paper 4, has attractive and novel appearance and mainly comprises a porous filter section 1, a cavity section 2 and a solid filter section 3. The filter section 1 with holes is connected with the tobacco shred section 20, and the filter section 1 with holes is provided with at least one row of through holes 5, so that air enters the filter section 10 through the through holes 5, the ventilation rate of cigarettes is improved, and the content of tar and other harmful substances in smoke is effectively reduced.

As shown in fig. 1, 4 and 5, the through holes 5 may be provided in any geometric shape such as a circle, a triangle, a rectangle, etc.; the number and the size of the through holes 5 of the hole-containing filter segment 1 determine the ventilation area of the hole-containing filter segment 1, and further influence the discharge of harmful substances such as tar in flue gas.

Preferably, in order to facilitate processing and ensure the ventilation rate of the cigarettes, the through holes 5 can be uniformly distributed along the circumferential direction of the filter section 1 containing the holes.

The cavity section 2 may be provided as a cavity in order to observe the effect of the flow of smoke in the cavity section 2; as shown in fig. 7 and 8, the cavity can be added with flavoring or other functional materials such as particles, powder, explosion beads and the like so as to enrich the appearance and the functions of the cigarette.

The solid filter section 3 is one end of the filter tip section 10 relatively far away from the tobacco shred section 20, and the filter tip 6 for filtering the smoke is arranged in the filter tip section 1 and is mainly used for filtering harmful substances such as tar in the smoke and further reducing tar and harmful substances.

The specific material and dimensions of the filter element 6 are determined according to the actual production requirements with reference to the prior art, and are not described in detail herein.

In this embodiment, at least one row of through holes 5 is arranged outside the porous filter section 1, and air can enter the filter section 10 through the through holes 5 when sucking cigarettes, compared with the existing pore-free cavity filter rod, the through holes 5 remarkably improve the ventilation rate of cigarettes, reduce the content of harmful substances such as tar and carbon monoxide in the smoke, and have the advantages of tar reduction, harm reduction and attractive appearance.

The filter segment 10 and the tobacco segment 20 are rolled by the tipping paper, and the white latex at the tipping paper lap 30 may cover the through holes 5 of the filter segment 10 due to the variable position of the tipping paper lap 30 during the rolling process, as shown in fig. 3 and 4.

In order to reduce the influence of the tipping paper lap opening 30 on the ventilation rate of the cigarettes, preferably, two rows of through holes 5 are arranged outside the pore-containing filter section 1, and the two rows of through holes 5 are arranged in a staggered manner, so that the stability of the coverage area of the through holes of the tipping paper lap opening 30 is controlled, the stability of the ventilation rate of the cigarettes is improved, and the quality stability of the smoke of the cigarettes is further improved.

The shapes and the sizes of the two rows of through holes 5 can be the same or different; to facilitate the processing of the filter segments 10, two rows of through holes 5 are typically provided, both in shape and size.

In one specific embodiment, the cigarette filter stick adopts gram weight of 38-42g/m ² The transparent forming paper 4 with the thickness of 35-45 mu m is manufactured; the diameter of the through holes 5 of the hole-containing filter section 1 is 1.5mm, the axial distance between the circle centers of two adjacent rows of through holes 5 is 1.5-3mm, and the arc distance between the circle centers of two adjacent through holes 5 in the same row is 3-4mm; acetate fiber core rods prepared from diacetate fiber tows are arranged in the pore-containing filter section 1 and the solid filter section 3, the diacetate fiber tows Shan Dan are 2.3-6.0, the total denier is 22000-35000, and the acetate fiber core rods are prepared from high-permeability forming paper with the air permeability of 12000-30000 CU.

Compared with cigarettes formed by rolling and connecting the filter tip sections 10 formed by the cigarette filter sticks with the tipping paper of 800CU, compared with cigarettes formed by rolling and connecting the filter tip sections with the same specification and the pore-free cavity, the ventilation rate of the cigarettes is improved by 185%, the tar content of the cigarettes is reduced by 32%, other harmful components such as carbon monoxide, nicotine and the like are also reduced to different degrees, and the tar and harm reducing effects are remarkable.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The cigarette filter stick provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. The utility model provides a cigarette filter stick, its characterized in that includes at least one filter tip section (10) by transparent shaping paper (4) wrap shaping, filter tip section (10) are including containing hole section of straining (1), cavity section (2) and solid section of straining (3), cavity section (2) are located contain hole section of straining (1) with between the solid section of straining (3), contain hole section of straining (1) with solid section of straining (3) all are equipped with filter core (6) that are used for filtering the flue gas, transparent shaping paper (4) are in contain hole section of straining (1) are equipped with at least one row of through-hole (5).

2. A cigarette filter rod according to claim 1, characterized in that the through holes (5) of both rows are evenly distributed along the circumferential direction of the hole containing filter segment (1).

3. A cigarette filter according to claim 2, wherein the arc distance between the centers of two adjacent through holes (5) in the same row is 3-4mm.

4. The cigarette filter rod according to claim 1, wherein two rows of through holes (5) are arranged outside the hole-containing filter section (1), and the two rows of through holes (5) are arranged in a staggered manner.

5. A cigarette filter rod according to any one of claims 1-4, wherein the solid filter segments (3) of two adjacent filter segments (10) are connected and the pore-containing filter segments (1) of two adjacent filter segments (10) are connected.

6. A cigarette filter rod according to any one of claims 1-4, wherein the solid filter segments (3) of the filter segments (10) are connected to the pore-containing filter segments (1) of adjacent filter segments (10).