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.

A machine for making cigarette filters and which includes a forming beam having an internal channel whose transverse cross section changes shape along the main longitudinal direction of the channel. Porous conveyor means carry the tow along a feed path in the channel complying with the shape thereof and thereby being wrapped around the tow. At least one treatment station located along the feed path includes a nozzle for blowing a flow of steam into the channel. The nozzle includes a plurality of planar sectors positioned transversely to the channel and defining an overall planar flow orifice placed directly in communication with a steam feed duct. Each planar sector defines a respective planar flow orifice and at least two flow orifices have different thicknesses.

There is disclosed a mouth piece, filter element or cooling element for an aerosol generating article comprising: a first section comprising a longitudinally extending core of filtering material having an outer surface and an inner surface, the inner surface defining a channel extending longitudinally from an end of the first section; a second section comprising a longitudinally extending core of filtering material; wherein the first section and the second section are adjacent and integral; wherein the channel has a non-circular transverse cross section which varies in the longitudinal direction by rotating about a longitudinal axis of the first section.

A filter manufacturing machine includes a feed path (7) configured to continuously feed a sheet material containing filter fibers and provided with a first plasticizer addition unit (9); a forming device (3) connected to a terminating end of the feed path (7) and configured to form the sheet material (6) into a hollow rod-shaped continuous filter body (11), the forming device including a tubular forming path for forming the sheet material (6) into the continuous filter body (11), a heat treating section for heating the sheet material, and a second plasticizer addition unit (14) arranged near the inlet of the tubular forming path; and a wrapping device (4) configured to receive the continuous filter body (11) delivered from the forming device (3) and wrap the continuous filter body in a wrapper to form a filter rod (19).

The invention relates to a method for introducing elongated objects defining a longitudinal axis into a continuous flow of material, the method comprising the steps of: providing a reservoir for holding the elongated objects to be introduced into the continuous flow of material; introducing the elongated objects from the reservoir into a transfer chamber that is arranged such that the objects are aligned therein with their longitudinal axis parallel to each other; moving the elongated objects along a direction parallel to their longitudinal axis in a single line path from the transfer chamber to a delivery channel by a rotatable wheel, the rotatable wheel arranged adjacent the transfer chamber and adapted to move the elongated objects located in the transfer chamber by contacting the elongated objects with a peripheral surface of the rotatable wheel; inserting the elongated objects from the delivery channel to a location where the elongated objects are to be introduced into the continuous flow of material; and regulating an insertion speed of insertion of the elongated object from the delivery channel to a location where the elongated objects are to be introduced into the continuous flow of material on the basis of a speed of the continuous flow of material at the location in which the elongated object is to be introduced.

The invention relates to a filter manufacturing apparatus (1) to form a hollow filter body, the filter manufacturing apparatus comprising: a feed path adapted to continuously feed a filter material along a longitudinal transport direction (30); a forming device (4) connected to a terminating end of the feed path and adapted to form the filter material into a hollow rod-shaped filter body and deliver the formed filter body, the forming device including: .square-solid. a tubular forming element (8) adapted to allow the filter material to pass therethrough, .square-solid. a pin (34) extending longitudinally within the tubular forming element, the pin having a pin diameter;a diameter changing device (40), adapted to vary the pin diameter of the pin, so as to obtain a filter body having a through hole of variable diameter.

A flower cartridge for use with a portable electronic heating device for the smokeless delivery of active ingredients and volatile compounds released from heating natural consumables such as plant matter is disclosed. The cartridge contains a quantity of natural consumables and a constriction or obstruction, which together form a porous plug to which air flows freely but the consumables remain in place. The contents of the cartridge are liberated via hot air and active ingredients are delivered to the user via heating and not burning. The cartridge is made of disposable and/or biodegradable materials to reduce ecological impact.

An aerosol generating article includes a front-end plug configured to introduce external air into the aerosol generating article, a tobacco medium portion including a tobacco material in the form of granules, and a filter unit arranged at a position opposite the front-end plug across the tobacco medium portion, wherein the tobacco material has a pH value of 7 to 11. Other various embodiments may be identified by the disclosure

The present disclosure provides an aerosol-generating material including a reconstituted tobacco leaf slurry. wherein the reconstituted tobacco leaf slurry contains sugar crystals containing a gas therein, and provides a method for preparing the aerosol-generating material and an aerosol-generating article including the aerosol-generating material.

A molding apparatus, a cigarette filter rod and a preparation method thereof are disclosed. The molding apparatus comprises a single-screw extrusion system and a cooling setting system. The single-screw extrusion system comprises a feeder and an extruder. The feeder is arranged on the extruder. The extruder comprises a cylinder. A heater is arranged outside the cylinder. A screw is arranged inside the cylinder, and a mouth mold is arranged at one end of the cylinder. The cooling setting system comprises a round tube and a cooler. The cooler (6) is arranged outside the round tube. One end of the round tube is butted with the mouth mold of the extruder; and multiple groups of grooves are formed on threads of the head of the screw.