CN114128927B - Moistureproof paper tube for baking cigarette - Google Patents
Moistureproof paper tube for baking cigarette Download PDFInfo
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- CN114128927B CN114128927B CN202111321922.9A CN202111321922A CN114128927B CN 114128927 B CN114128927 B CN 114128927B CN 202111321922 A CN202111321922 A CN 202111321922A CN 114128927 B CN114128927 B CN 114128927B
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- tobacco
- layer
- moisture
- dislocation sealing
- sealing layer
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Abstract
The invention provides a moistureproof paper tube for a baked cigarette, which comprises a filter tube section and a tobacco shred tube section, wherein a moistureproof cigarette outlet structure and a moisture absorption structure are arranged between the filter tube section and the tobacco shred tube section; the moistureproof smoke outlet structure comprises a dislocation sealing part and an axial displacement part, the dislocation sealing part comprises a first dislocation sealing layer and a second dislocation sealing layer which are mutually adhered, the first dislocation sealing layer and the second dislocation sealing layer are respectively provided with a first smoke outlet and a second smoke outlet which are correspondingly arranged, and the first smoke outlet and the second smoke outlet are in butt joint communication or dislocation sealing through rotation of the sliding sleeve structure; the moisture absorption structure extends into the tobacco pipe section. The first smoke outlet and the second smoke outlet are in butt joint communication or dislocation sealing with each other by utilizing the axial displacement component, so that the sealing arrangement of the tobacco pipe section is realized when the tobacco pipe is not needed to be used, the tobacco pipe section and the filter tip pipeline are communicated with each other when the tobacco pipe is needed to be used, and the overall dryness of tobacco is further guaranteed through the moisture absorption structure.
Description
Technical Field
The invention relates to the technical field of electronic cigarettes, in particular to a moistureproof paper tube for a baked cigarette.
Background
The cigarette is one of tobacco products, and along with the improvement of the health consciousness of people, cigarette lovers gradually start to realize the harm brought by the cigarette, but due to the fact that the withdrawal difficulty of the cigarette is high, more and more cigarette lovers start to use auxiliary tools so as to reduce the harm to the body caused by smoking.
The baking type electronic cigarette is used as a cigarette auxiliary tool, and is different from the using method of the traditional cigarette, the cigarette is baked to generate smoke, and the cigarette is smoked through a cigarette holder. When the traditional electronic cigarette is used, the interior of the cigarette holder is easy to be moist, if the cigarette is in a moist environment, the cigarette can absorb moisture, and the cigarette cannot be normally used after absorbing the moisture, meanwhile, bacteria are easy to grow in the moist environment, and the use effect is poor.
Therefore, it is necessary to design a paper tube to realize the moisture-proof function of the electronic cigarette and improve the use effect.
Disclosure of Invention
The invention provides a moistureproof paper tube for a baked cigarette, which is used for solving the technical problems.
The invention provides a moistureproof paper tube for a baked cigarette, which comprises a filter tube section filled with filter silk cotton and a tobacco shred tube section filled with tobacco shreds, wherein a moistureproof cigarette outlet structure and a moisture absorption structure are arranged between the filter tube section and the tobacco shred tube section;
the moistureproof smoke outlet structure comprises a dislocation sealing part and an axial displacement part, wherein the dislocation sealing part comprises a first dislocation sealing layer and a second dislocation sealing layer which are mutually adhered, the first dislocation sealing layer and the second dislocation sealing layer are respectively provided with a first smoke outlet and a second smoke outlet which are correspondingly arranged, the axial displacement part is used for enabling axial rotary displacement to occur between a filter tip pipe section and a tobacco shred pipe section, and the first smoke outlet and the second smoke outlet are in butt joint communication or dislocation sealing through rotation of the sliding sleeve structure;
the moisture absorption structure extends into the tobacco pipe section.
Preferably, the first dislocation sealing layer is fixedly arranged on a port of one end of the cut tobacco pipe section, which faces the filter tip pipe section, and the second dislocation sealing layer is axially movably arranged relative to the first dislocation sealing layer through an axial displacement component.
Preferably, the axial displacement component comprises a sliding groove which is circumferentially arranged on the inner wall of the filter tip pipe section towards one end of the tobacco tip pipe section, and a sliding ring which is circumferentially arranged on the outer wall of the tobacco tip pipe section towards one end of the filter tip pipe section, wherein the sliding ring is axially movably nested in the sliding groove, the first dislocation sealing layer is fixedly arranged on the port of the tobacco tip pipe section towards one end of the filter tip pipe section, the second dislocation sealing layer is fixedly embedded on the inner wall of the filter tip pipe section towards one end of the tobacco tip pipe section, and when the filter tip pipe section and the tobacco tip pipe section are arranged in a sliding fit manner through the axial displacement component, the first dislocation sealing layer and the second dislocation sealing layer are mutually pasted.
Preferably, the axial displacement component comprises a stirring piece which is arranged between the filter tip pipe section and the tobacco shred pipe section and is fixedly connected with the circumferential outer edge of the first dislocation sealing layer or the second dislocation sealing layer in the radial direction, and a steering groove which is formed in the circumferential extension of the outer wall of the moisture-proof paper roll along the central shaft of the moisture-proof paper roll, and the stirring piece is arranged in the steering groove in a sliding sleeve matched mode.
Preferably, the diameter of the first smoke outlet is consistent with the diameter of the second smoke outlet.
Preferably, the first smoke outlet is circumferentially arranged on the first dislocation sealing layer, and the moisture absorption structure is arranged in the middle of the first dislocation sealing layer and is arranged deep into the tobacco pipe section.
Preferably, the moisture absorption structure comprises a moisture absorption cavity which is arranged in the middle of the first dislocation sealing layer and is internally provided with a moisture absorption material, and a moisture-proof empty column which is communicated with the moisture absorption cavity and vertically protrudes towards the tobacco pipe section relative to the first dislocation sealing layer to extend into the tobacco pipe section.
Preferably, the moisture absorption structure comprises a moisture absorption cavity which is arranged in the middle of the first dislocation sealing layer and is internally provided with a moisture absorption material, and a moisture proof strip, one end of which is embedded into the moisture absorption cavity, and the other end of which extends into the tobacco pipe section.
Preferably, the paper tube body of the tobacco tube section comprises a coating base layer, and a high-temperature resistant layer and a waterproof layer which are sequentially and symmetrically coated on the coating base layer from inside to outside.
Preferably, the high temperature resistant layer is arranged in concave-convex fit with the opposite side of the waterproof layer.
The moisture-proof paper tube for the baked cigarette has the advantages that the moisture-proof cigarette outlet structure is arranged between the filter tube section and the tobacco tube section, the first dislocation sealing layer and the second dislocation sealing layer can relatively rotate by utilizing the axial displacement component, and further the first cigarette outlet and the second cigarette outlet are mutually in butt joint communication or dislocation sealing, so that the sealed arrangement of the tobacco tube section is realized when the baked cigarette is not needed, the tobacco is prevented from being wetted by external air entering the tobacco tube section, the tobacco tube section and the filter tube are communicated and output by the moisture-proof paper tube when the baked cigarette is needed, and in addition, the integral dryness of the tobacco is further ensured from the inside of the tobacco by the moisture absorption structure extending into the tobacco tube section.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a cross-sectional view of a moisture resistant paper tube for a baked cigarette according to the present invention;
FIG. 2 is an enlarged schematic view of portion A in FIG. 1;
FIG. 3 is a schematic view of the structure of a first dislocated seal layer in a moisture resistant paper tube for baked tobacco rolls according to the present invention;
FIG. 4 is a schematic view of a second dislocated seal layer in a moisture resistant paper tube for baked tobacco rolls according to the present invention;
FIG. 5 is a schematic view of another construction of a moisture resistant paper tube for a baked cigarette according to the present invention;
FIG. 6 is a schematic view of a moisture resistant paper tube for a baked cigarette according to another embodiment of the present invention;
fig. 7 is a schematic view showing the external structure of a moisture-proof paper tube of the baked tobacco stick shown in fig. 6.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
The invention provides a moistureproof paper tube for a baked cigarette, which comprises a filter tube section 1 filled with filter silk floss and a tobacco tube section 2 filled with tobacco shred; the moistureproof cigarette discharging structure is arranged between the filter tip tube section 1 and the tobacco shred tube section 2, the moistureproof cigarette discharging structure comprises a dislocation sealing part 3 and an axial displacement part 4, the dislocation sealing part 3 comprises a first dislocation sealing layer 31 and a second dislocation sealing layer 32 which are mutually adhered, a first cigarette discharging hole 311 and a second cigarette discharging hole 321 which are correspondingly arranged are respectively arranged on the first dislocation sealing layer 31 and the second dislocation sealing layer 32, the axial displacement part 4 is used for enabling the filter tip tube section 1 and the tobacco shred tube section 2 to axially rotate and displace, and the first cigarette discharging hole 311 and the second cigarette discharging hole 321 are in butt joint communication or dislocation sealing through rotation of the sliding sleeve structure. When the first smoke outlet 311 and the second smoke outlet 321 are in butt joint communication through the rotation of the sliding sleeve structure, smoke generated by baking in the tobacco pipe section 2 can pass through the first smoke outlet 311 and the second smoke outlet 321 to enter the filter pipe section 1, and the smoke is filtered by the filter pipe section 1 to reach the oral cavity of a user; when the first smoke outlet 311 and the second smoke outlet 321 are sealed in a staggered manner through the rotation of the sliding sleeve structure, smoke generated by baking in the tobacco pipe section 2 cannot pass through the second smoke outlet 321 to enter the filter pipe section 1, so that the tobacco pipe section 2 is sealed, and the tobacco is prevented from being wetted by external air entering the tobacco pipe section 2.
An embodiment of the present invention provides a moisture-proof paper tube for a baked cigarette, which includes a filter tube segment 1 filled with filter tow and a tobacco tube segment 2 filled with tobacco, as shown in fig. 1 to 7. The paper tube body of the tobacco pipe section 2 comprises a coating base layer 201, and a high temperature resistant layer 202 and a waterproof layer 203 which are sequentially and symmetrically coated on the coating base layer 201 from inside to outside. As shown in fig. 2, the high temperature resistant layer 202 is arranged in a concave-convex fit with the opposite side of the waterproof layer 203, and the concave-convex fit structure can increase the connection stability between the high temperature resistant layer 202 and the waterproof layer 203, so that the adhesion between the layers is larger and the stability is higher. Preferably, the high temperature resistant layer 202 is a polyphenylene sulfide high temperature resistant layer 202. The waterproof layer 203 is a polyurethane waterproof coating waterproof layer 203, or is made of polyurethane waterproof coating or is made of aqueous oxidized paraffin emulsion cured coating, and the outer surface of the aqueous oxidized paraffin emulsion cured coating is provided with polyurethane waterproof coating.
It is further preferable that a flame-retardant layer 204 is further filled between the coating base layer 201 and the high temperature resistant layer 202, and the flame-retardant layer 204 can have a fireproof flame-retardant effect on the coating base layer 201; the high temperature resistant layer 202 in combination with the flame retardant layer 204 may provide a better high temperature flame resistant effect.
It is further preferable that the outside of the outermost waterproof layer 203 is further provided with a moisture-proof layer 205. Preferably, the moisture-proof layer 205 is a polyurethane waterproof coating 203 or is formed by combining nano zinc oxide, nano carbon powder and phenolic resin. The dampproof layer 205 with dampproof effect is prepared by combining nano zinc oxide, nano carbon powder and phenolic resin, and the dampproof layer 205 is used on a dampproof paper tube, so that external moisture can be prevented from entering the inner side of the coating base layer 201 from the outer side of the coating base layer 201 to a great extent, and the effect of the tobacco material positioned on the inner side of the paper tube body is affected.
In order to further avoid the tobacco shred in the baked cigarette from being wetted, a dampproof cigarette outlet structure is arranged between the filter tip tube section 1 and the tobacco shred tube section 2 and comprises a dislocation sealing part 3 and an axial displacement part 4. As shown in fig. 3 to 6, the dislocation sealing member 3 includes a first dislocation sealing layer 31 and a second dislocation sealing layer 32 that are adhered to each other, the first dislocation sealing layer 31 and the second dislocation sealing layer 32 are respectively provided with a first smoke outlet 311 and a second smoke outlet 321 that are correspondingly arranged, and the diameter of the first smoke outlet 311 is consistent with the diameter of the second smoke outlet 321; the axial displacement component 4 comprises a sliding groove 41 circumferentially arranged on the inner wall of the filter tip pipe section 1 facing one end of the tobacco shred pipe section 2, and a sliding ring 42 circumferentially arranged on the outer wall of the tobacco shred pipe section 2 facing one end of the filter tip pipe section 1, wherein the sliding ring 42 is axially movably nested in the sliding groove 41 and can rotate around the central axis of the sliding groove 41, namely, the filter tip pipe section 1 and the tobacco shred pipe section 2 can rotate freely relatively.
The first dislocation sealing layer 31 is fixedly arranged on a port of one end of the cut tobacco pipe section 2 facing the filter tip pipe section 1, and the second dislocation sealing layer 32 is axially movably arranged relative to the first dislocation sealing layer 31 through the axial displacement component 4. Specifically as shown in fig. 5, the first dislocation sealing layer 31 is fixedly arranged on the port of the cut tobacco pipe section 2 facing one end of the filter tip pipe section 1, the second dislocation sealing layer 32 is fixedly embedded on the inner wall of the cut tobacco pipe section 1 facing one end of the cut tobacco pipe section 2, and the depth of embedding the second dislocation sealing layer 32 into the cut tobacco pipe section 1 is consistent with the depth of embedding the cut tobacco pipe section 2 into the cut tobacco pipe section 1, so that when the cut tobacco pipe section 1 and the cut tobacco pipe section 2 are arranged in a sliding fit manner through the axial displacement component 4, the first dislocation sealing layer 31 and the second dislocation sealing layer 32 are mutually attached. By rotating the filter segment 1 and the tobacco pipe segment 2 relative to each other, the first smoke outlet 311 and the second smoke outlet 321 can be connected to each other or sealed in a staggered manner.
In addition, the moistureproof sealing mechanism can also keep the filter tip pipe section 1 and the tobacco shred pipe section 2 motionless, and the stirring part drives the first dislocation sealing layer 31 and the second dislocation sealing layer 32 to rotate relatively. As shown in fig. 6 and 7, the first dislocation sealing layer 31 is fixedly disposed on a port of the cut tobacco pipe section 2 facing one end of the filter tip pipe section 1, an inner concave movable groove 43 is circumferentially disposed on an inner wall of the cut tobacco pipe section 1 facing one end of the cut tobacco pipe section 2, an outer edge of the second dislocation sealing layer is movably embedded in the inner concave movable groove 43, the axial displacement component 4 includes a stirring piece 44 fixedly connected with a circumferential outer edge of the second dislocation sealing layer in a radial direction, and a steering groove 45 extending along a central axis of the moisture-proof paper pipe in a circumferential direction of an outer wall of the cut tobacco pipe section 1, and the stirring piece 44 is disposed in the steering groove 45 in a sliding sleeve fit manner. The toggle piece 44 is toggled to enable the toggle piece to slide in the steering groove 45 in a reciprocating mode, and therefore butt joint communication or dislocation sealing of the first smoke outlet 311 and the second smoke outlet 321 is achieved.
Correspondingly, the first dislocation sealing layer 31 and the second dislocation sealing layer 32 can be simultaneously arranged in the filter tip pipe section 1, wherein the first dislocation sealing layer 31 is fixedly embedded on the inner wall of the filter tip pipe section 1 facing to one end of the tobacco shred pipe section 2, the outer edge of the second dislocation sealing layer is movably embedded in a concave movable groove 43 circumferentially arranged on the inner wall of the filter tip pipe section 1, a stirring piece 44 is radially and fixedly connected with the circumferential outer edge of the second dislocation sealing layer, and the stirring piece 44 is arranged in a steering groove 45 circumferentially extending on the outer wall of the filter tip pipe section 1 in a sliding sleeve matched manner. The deformation of the moisture-proof smoke outlet structure is quite large, and the deformation is not listed here, but the structure for realizing sealing and smoke outlet effects through the dislocation and butt joint of the apertures belongs to the protection content of the invention.
The staggered rotation angles and the communicated angles between the first dislocation sealing layer 31 and the second dislocation sealing layer 32 can be set in a limiting mode through limiting components, and the rotation marks can be set on the outer surface of the paper tube to prompt a user.
It is further preferred that the first smoke outlet 311 is circumferentially arranged on the first dislocation sealing layer 31, an absorbent structure 5 is arranged in the middle of the first dislocation sealing layer 31, and the absorbent structure 5 is arranged deep into the tobacco pipe section 2. As shown in fig. 5, the absorbent structure 5 includes an absorbent cavity 51 disposed in the middle of the first dislocation seal layer 31 and having an absorbent material disposed therein, and a moisture-proof hollow column 52 disposed in communication with the absorbent cavity 51 and protruding vertically into the cut tobacco pipe segment 2 with respect to the first dislocation seal layer 31. The moisture-proof hollow column 52 stretches into the tobacco pipe section 2, can absorb moisture inside the tobacco pipe section 2, and is further absorbed by a moisture absorbing material in the moisture absorbing cavity 51 communicated with the moisture-proof hollow column, so that the problems that the tobacco inside the tobacco pipe section 2 is damped and the moisture cannot be discharged are prevented, and the dryness of inner and outer tobacco shreds in the tobacco pipe section 2 is further ensured.
In addition, as a modified structure of the present invention, as shown in fig. 6, the moisture absorbing structure 5 may further include a moisture absorbing cavity 51 disposed at the middle of the first dislocation sealing layer 31 and having a moisture absorbing material therein, and a moisture proof strip 53 having one end embedded in the moisture absorbing cavity 51 and the other end extending into the cut tobacco pipe section 2. The moisture-proof strip 53 is made of a material which is easy to absorb water, and the material is flexible, so that the moisture-proof strip can be mixed with tobacco shreds and kneaded together, and is distributed at all positions in the tobacco shred tube section 2, but one end of the moisture-proof strip always stretches into the moisture-absorbing cavity 51, so that moisture absorbed by the moisture-proof strip 53 from the tobacco shreds is absorbed and dried through one end of the moisture-absorbing material stretching into the moisture-absorbing cavity 51, and the problem that the interior of the tobacco shreds in the tobacco shred tube section 2 is affected with moisture is prevented.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (5)
1. The moisture-proof paper tube for the baked cigarette is characterized by comprising a filter tip tube section filled with filter silk floss and a tobacco shred tube section filled with tobacco shreds, wherein a paper tube body of the tobacco shred tube section comprises a coating base layer, and a high-temperature-resistant layer and a waterproof layer which are sequentially and symmetrically coated on the coating base layer from inside to outside; the high temperature resistant layer is arranged in a concave-convex fit with the opposite side of the waterproof layer;
a flame-retardant layer is filled between the cladding base layer and the high-temperature resistant layer;
the outer side of the outermost waterproof layer is also provided with a dampproof layer;
a moisture-proof smoke outlet structure and a moisture absorption structure are arranged between the filter tip pipe section and the tobacco shred pipe section;
the moistureproof smoke outlet structure comprises a dislocation sealing part and an axial displacement part, wherein the dislocation sealing part comprises a first dislocation sealing layer and a second dislocation sealing layer which are mutually adhered, the first dislocation sealing layer and the second dislocation sealing layer are respectively provided with a first smoke outlet and a second smoke outlet which are correspondingly arranged, the axial displacement part is used for enabling axial rotary displacement to occur between a filter tip pipe section and a tobacco shred pipe section, and the first smoke outlet and the second smoke outlet are in butt joint communication or dislocation sealing through rotation of a sliding sleeve structure;
the first smoke outlet holes comprise 6 holes in total and are circumferentially arranged on the first dislocation sealing layer;
the staggered rotation angles and the communicated angles between the first dislocation sealing layer and the second dislocation sealing layer are limited by a limiting component, and a rotation mark is arranged on the outer surface of the paper tube to prompt a user;
the moisture absorption structure is arranged in the middle of the first dislocation sealing layer and is arranged deep into the tobacco pipe section;
the moisture absorption structure comprises a moisture absorption cavity which is arranged in the middle of the first dislocation sealing layer and is internally provided with a moisture absorption material, and a moisture-proof empty column or a moisture-proof strip;
the moistureproof hollow column is communicated with the moisture absorption cavity and vertically protrudes towards the tobacco pipe section relative to the first dislocation sealing layer to extend into the tobacco pipe section;
one end of the moisture-proof strip is embedded into the moisture absorption cavity, and the other end of the moisture-proof strip extends into the tobacco pipe section.
2. The moisture resistant paper tube of a baked cigarette of claim 1, wherein the first dislocated seal layer is fixedly disposed on a port of the tobacco pipe section toward one end of the filter pipe section, and the second dislocated seal layer is axially movable relative to the first dislocated seal layer by an axial displacement member.
3. The moisture-proof paper tube of a baked cigarette according to claim 1, wherein the axial displacement component comprises a chute circumferentially arranged on the inner wall of the filter tube section facing one end of the tobacco tube section and a slip ring circumferentially arranged on the outer wall of the tobacco tube section facing one end of the filter tube section, the slip ring is axially movably nested in the chute, the first dislocation sealing layer is fixedly arranged on the port of the tobacco tube section facing one end of the filter tube section, the second dislocation sealing layer is fixedly embedded on the inner wall of the filter tube section facing one end of the tobacco tube section, and when the filter tube section and the tobacco tube section are arranged in a sliding fit manner through the axial displacement component, the first dislocation sealing layer and the second dislocation sealing layer are mutually pasted.
4. The moisture resistant paper tube of baked tobacco rolls of claim 1, wherein the axial displacement member comprises a toggle member disposed between the filter tube segment and the tobacco tube segment and fixedly connected radially to the peripheral outer edge of the first or second dislocated seal layers, and a turning groove extending circumferentially along the central axis of the moisture resistant paper tube at the outer wall of the moisture resistant paper roll, the toggle member being slidably disposed in the turning groove.
5. The moisture resistant paper tube of baked tobacco items of claim 1, wherein the diameter of the first smoke outlet is consistent with the diameter of the second smoke outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111321922.9A CN114128927B (en) | 2021-11-09 | 2021-11-09 | Moistureproof paper tube for baking cigarette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111321922.9A CN114128927B (en) | 2021-11-09 | 2021-11-09 | Moistureproof paper tube for baking cigarette |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114128927A CN114128927A (en) | 2022-03-04 |
| CN114128927B true CN114128927B (en) | 2023-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111321922.9A Active CN114128927B (en) | 2021-11-09 | 2021-11-09 | Moistureproof paper tube for baking cigarette |
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| CN (1) | CN114128927B (en) |
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| CN114128927A (en) | 2022-03-04 |
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