The invention relates to an apparatus (10) for crimping a sheet (40) of material, the apparatus comprising a first and second facing crimping roller (11, 21) defining a first and second rotation axis, respectively, the first roller including: •a first plurality of circumferential ridges (16), each ridge defining a ridge amplitude; •wherein each of said first plurality of ridges is interrupted along its circumferential extension forming an interruption gap where for a given interruption angle an amplitude of the ridge differs from the ridge amplitude in the remaining circumferential extension of the ridge; •wherein said plurality of interruption gaps forms an interruption band defining a direction of extension, said direction of extension being angled with respect to a direction defined by the first rotation axis of an angle comprised between about 2° to about 25°. The invention also relates to a method for crimping a sheet of material as well as a crimped sheet of material and a rod made of a crimped sheet.

The invention relates to an apparatus (10) for crimping a sheet (40) of material, the apparatus comprising a first and second facing crimping roller (11, 21) defining a first and second rotation axis, respectively, the first roller including: •a first plurality of circumferential ridges (16), each ridge defining a ridge amplitude; •wherein each of said first plurality of ridges is interrupted along its circumferential extension forming an interruption gap where for a given interruption angle an amplitude of the ridge differs from the ridge amplitude in the remaining circumferential extension of the ridge; •wherein said plurality of interruption gaps forms an interruption band defining a direction of extension, said direction of extension being angled with respect to a direction defined by the first rotation axis of an angle comprised between about 2° to about 25°. The invention also relates to a method for crimping a sheet of material as well as a crimped sheet of material and a rod made of a crimped sheet.

The invention relates to a method or apparatus (10) for crimping a sheet (70) of material The apparatus comprises a transport device to transport the sheet of material along a transport direction (1), and a set of crimping rollers (11, 21). The set comprises a first (11) and a second (21) main crimping roller, defining a first (18) and a second (28) rotational axis and being faced one in front of the other, the first roller including a first plurality of ridges (17) across a portion of its width (16), and the second roller having a second plurality of ridges (27) across a portion of its width; and a pre-crimping roller facing the first roller and having a third plurality of ridges across a portion of its width, the pre-crimping roller having a diameter smaller than a diameter of the first and second main roller.

The invention relates to a method or apparatus (10) for crimping a sheet (70) of material The apparatus comprises a transport device to transport the sheet of material along a transport direction (1), and a set of crimping rollers (11, 21). The set comprises a first (11) and a second (21) main crimping roller, defining a first (18) and a second (28) rotational axis and being faced one in front of the other, the first roller including a first plurality of ridges (17) across a portion of its width (16), and the second roller having a second plurality of ridges (27) across a portion of its width; and a pre-crimping roller facing the first roller and having a third plurality of ridges across a portion of its width, the pre-crimping roller having a diameter smaller than a diameter of the first and second main roller.

An anti-condensation module including an atomizing cylinder, a first piece of cotton, a ceramic atomization core disposed in the atomizing cylinder, and a second piece of cotton. The first piece of cotton and the second piece of cotton are disposed on two ends of the ceramic atomization core, respectively, configured to adsorb condensates on the two ends of the ceramic atomization core, respectively.

An anti-condensation module including an atomizing cylinder, a first piece of cotton, a ceramic atomization core disposed in the atomizing cylinder, and a second piece of cotton. The first piece of cotton and the second piece of cotton are disposed on two ends of the ceramic atomization core, respectively, configured to adsorb condensates on the two ends of the ceramic atomization core, respectively.

A tubular element for an aerosol-generating article is provided, the tubular element having a longitudinal length and including: a first wrapper that forms a first longitudinal passageway; and a plurality of porous threads loaded with gel and running longitudinally, parallel to the longitudinal length of the tubular element, the gel including an aerosol former and an active agent, the aerosol former including between 60 percent and 95 percent by weight of glycerol, and the active agent including nicotine.

A tubular element for an aerosol-generating device, the tubular element including: a first longitudinal passageway; and a porous medium loaded with gel, the gel including an active agent, the porous medium loaded with gel being crimped, the gel including an active agent includes an aerosol former, the gel including the active agent includes between 60 percent and 95 percent by weight of glycerol, the active agent includes nicotine, and the porous medium includes cotton. An aerosol-generating article including a tubular element, and a method of manufacturing a tubular element, are also provided.

A tubular element for an aerosol-generating device, the tubular element including: a first longitudinal passageway; and a porous medium loaded with gel, the gel including an active agent, the porous medium loaded with gel being crimped, the gel including an active agent includes an aerosol former, the gel including the active agent includes between 60 percent and 95 percent by weight of glycerol, the active agent includes nicotine, and the porous medium includes cotton. An aerosol-generating article including a tubular element, and a method of manufacturing a tubular element, are also provided.

An aerosol-generating article is provided, including: a fluid guide having proximal and distal ends, and an inner longitudinal region including an inner longitudinal passageway between the distal end and the proximal end thereof, such that fluid can travel from the distal end to the proximal end, the fluid guide including a barrier between the inner and outer longitudinal passageways; a tubular element including a gel or a porous medium or a thread loaded or any combination, the gel or the medium or the thread or the combination includes an active agent, the tubular element having proximal and distal ends and disposed to a distal side of the fluid guide; an aperture to allow fluid to pass to the tubular element and exit the article at the proximal end; a combustible heat source at the distal end of the article; and a cavity between the fluid guide and the tubular element.