Abstract: A cigarette filter comprises a first filter portion comprising an irregularly folded and packed polymer sheet, and a first cigarette filter wrapping paper surrounding the polymer sheet, wherein the polymer sheet comprises a first polymer layer containing polyolefin or polyester and a second polymer layer positioned on the first polymer layer and containing polyolefin.

Abstract: A method of manufacturing a wrapper for a non-combustion-type cigarette used in an aerosol generating device, according to an embodiment, includes manufacturing a reconstituted tobacco sheet by mixing a tobacco material and first pulp, and manufacturing a wrapper by mixing the reconstituted tobacco sheet and second pulp. A wrapper for a non-combustion-type cigarette used in an aerosol generating device has a tensile strength of 3.0 kgf/15 mm or greater, and includes at least one of cigar leaf powder, cigar leaf pieces, and cigar leaves.

Abstract: The present disclosure provides an externally heated aerosol generation device and a cigarette that may provide a sufficient amount of atomization to allow a user to have a satisfactory smoking experience even during an initial puff because thermal energy is easily transferred to the cigarette.

Abstract: A cigarette for an aerosol generating device includes a tobacco rod including an aerosol generating substrate wrapped with a wrapper and a filter through which an aerosol generated from the aerosol generating substrate passes. The filter comprises cellulose acetate tow having a total denier of a preset value.

Abstract: An aerosol-generating article according to an embodiment may include a medium portion, a front end plug disposed to face an upstream end of the medium portion, and a filter portion disposed to face a downstream end of the medium portion, wherein the front end plug includes a channel extending from the upstream end to the downstream end.

Abstract: Provided herein are a smoking article filter and a smoking article including the same. The filter according to some embodiments of the present disclosure includes a filter plug including a filter material and a liquid material added to the filter plug. Here, a molecular weight of a hydrophilic group of the filter material may be larger than or equal to a molecular weight of a hydrophobic group thereof, and in this case, changes in physical properties of the filter due to adding the liquid material may be minimized.

Abstract: A filter included in an aerosol-generating article, according to embodiments, includes a first filter segment including a first filter element in which at least one heterogeneous material particle is contained, a second filter segment including a second filter element, and a wrapper wrapping the first filter segment and the second filter segment, wherein the first filter segment and the second filter segment are aligned in a longitudinal direction of the filter, and the first filter segment and the second filter segment are not physically separated.

Abstract: According to embodiments of the present invention, there is provided a tube filter production device including a tube filter exterior forming case into which one or more filter tows are introduced and from which a tubular rod formed from the one or more filter tows is discharged, a tube filter forming bar extending in an inner region of the tube filter exterior forming case in order to form a hollow of the tubular rod, and a steam chamber having at least one steam nozzle in communication with the inner region of the tube filter exterior forming case and configured to supply steam to the one or more filter tows through the steam nozzle, wherein the tube filter forming bar has a duct extending in a longitudinal direction of the tube filter forming bar and a flavoring nozzle formed in a downstream end region of the tube filter forming bar to deliver a flavoring liquid or a moisturizing liquid supplied through the duct to the hollow of the tubular rod.

Abstract: A method for determining a sharpness index of a pulse wave signal includes receiving a pulse wave signal; determining a first reference line starting point and a second reference line starting point on the basis of a curvature of the pulse wave signal; determining a first reference line connecting the first reference line starting point and a first reference line ending point by determining the first reference line ending point by applying an intersecting tangent method to the first reference line starting point, and determining a second reference line connecting the second reference line starting point and a second reference line ending point by determining the second reference line ending point by applying the intersecting tangent method to the second reference line starting point; and determining a sharpness index by using a peak point of the pulse wave signal, the first reference line, and the second reference line.

Abstract: The present disclosure relates to a smoking article including biodegradable cigarette paper.

Abstract: A smoking product includes: a smoking material portion which is wrapped by a smoking material wrapper; a filter portion whose upstream end portion is combined with the smoking material portion, which includes a capsule containing a flavoring, and which is wrapped by a filter wrapper; and a tipping wrapper which surrounds at least a partial region of the smoking material portion and the filter portion so that the smoking material portion and the filter portion are combined, wherein the tipping wrapper includes a first perforation region including a plurality of perforations formed along an outer circumferential surface of the tipping wrapper and a second perforation region including a plurality of perforations formed downstream of the first perforation region and along the outer circumferential surface of the tipping wrapper, and the capsule is disposed downstream of the first perforation region and upstream of the second perforation region.

Abstract: Provided herein is a smoking article from which sound is generated. The smoking article according to some embodiments of the present disclosure may include a filter portion and a smoking material portion, and a sound-generating material including a carbohydrate material may be added to the smoking material portion. The sound-generating material may generate sound as the material burns, and the sound may further provide an auditory effect during smoking. In this way, an improved smoking experience may be provided to the smoker.

Abstract: Disclosed is a cigarette filter including: natural plant based granules composed of a natural plant material and a binder; and a filter portion to accommodate therein the natural plant based granules, in which the binder is hydroxy propyl methyl cellulose (HPMC), and a weight ratio of the natural plant material and the binder is in a range of 95 to 99%:5 to 1%. Further, disclosed are a preparation method of the cigarette filter, and a cigarette including the cigarette filter.

Abstract: A method of manufacturing a wrapper for an aerosol generating article includes applying an adhesive to one surface of a metal layer and attaching a first paper layer thereto, applying the adhesive to the other surface of the metal layer and attaching thereto a second paper layer different from the first paper layer, and drying the adhesive applied between the metal layer and the first paper layer and the adhesive applied between the metal layer and the second paper layer.

Abstract: According to embodiments of the present invention, there is provided a tube filter production device including a tube filter exterior forming case into which one or more filter tows are introduced and from which a tubular rod formed from the one or more filter tows is discharged, a tube filter forming bar extending in an inner region of the tube filter exterior forming case in order to form a hollow of the tubular rod, and a steam chamber having at least one steam nozzle in communication with the inner region of the tube filter exterior forming case and configured to supply steam to the one or more filter tows through the steam nozzle, wherein the tube filter forming bar has a duct extending in a longitudinal direction of the tube filter forming bar and a flavoring nozzle formed in a downstream end region of the tube filter forming bar to deliver a flavoring liquid or a moisturizing liquid supplied through the duct to the hollow of the tubular rod.

Abstract: An embodiment of the present invention provides a tipping paper for smoking articles. The tipping paper includes a fragrance carrier including a fragrance material and a carrier material, the carrier material includes the fragrance material, and the fragrance material included in the carrier material is disseminated from the tipping paper in response to moisture, saliva, or friction, and the carrier material is a material soluble in ethanol.

Abstract: Provided herein are a smoking article filter and a smoking article including the same. The filter according to some embodiments of the present disclosure includes a filter plug including a filter material and a liquid material added to the filter plug. Here, a molecular weight of a hydrophilic group of the filter material may be larger than or equal to a molecular weight of a hydrophobic group thereof, and in this case, changes in physical properties of the filter due to adding the liquid material may be minimized.

Abstract: Provided are an external heating-type aerosol generating device and a cigarette used therein. Because heat energy is easily transferred to the cigarette, a sufficient amount of smoke may be provided to a user in initial puffs so that the user may have a satisfactory smoking experience.

Abstract: A method of manufacturing a wrapper for a non-combustion-type cigarette used in an aerosol generating device, according to an embodiment, includes manufacturing a reconstituted tobacco sheet by mixing a tobacco material and first pulp, and manufacturing a wrapper by mixing the reconstituted tobacco sheet and second pulp.

Abstract: A lyocell material for a cigarette filter and a method of manufacturing the same are disclose. The lyocell material which is biodegradable and eco-friendly can be manufactured by crimping lyocell multifilaments to obtain a crimped tow.