JPWO2020174026A5

JPWO2020174026A5 -

Info

Publication number: JPWO2020174026A5
Application number: JP2021549829A
Authority: JP
Publication date: 2023-03-07

Claims

An induction heated aerosol-forming rod for use in an aerosol-generating article, said aerosol-forming rod comprising:
- one cylindrical core portion comprising at least one of a first aerosol-forming substrate and a first flavoring material;
- at least one elongated susceptor laterally abutting the cylindrical core portion along the longitudinal axis of the aerosol-forming rod in a non-bonded manner;
- a sleeve portion disposed around said core portion and said susceptor, said sleeve comprising at least one of a filler material, a second aerosol-forming substrate and a second flavoring material; and an induction heated aerosol-forming rod.

The core portion is
- a porous substrate or foam based on tobacco fibers, wherein said tobacco fibers at least partially form said first aerosol-forming substrate;
- a porous substrate or foam based on plant fibers, said plant fibers at least partially forming said first aerosol-forming substrate;
- a filler comprising cut tobacco material, wherein said cut tobacco material at least partially forms said first aerosol-forming substrate;
- a filler comprising chopped plant material, said chopped plant material at least partially forming said first aerosol-forming substrate;
- a liquid-retaining material comprising an aerosol-forming liquid, said aerosol-forming liquid at least partially forming said first aerosol-forming substrate;
- a liquid-retaining material comprising at least one flavoring substance, said flavoring substance at least partially forming said first flavoring material;
- at least one cellulosic or cellulosic fiber comprising a flavorant, wherein the flavorant at least partially forms the first aerosol-forming substrate; 2. The aerosol-forming rod of claim 1.

The sleeve portion
- a porous substrate or foam based on tobacco fibers, wherein said tobacco fibers at least partially form said second aerosol-forming substrate;
- a porous substrate or foam based on plant fibers, said plant fibers at least partially forming said second aerosol-forming substrate;
- a filler comprising cut tobacco material, wherein said cut tobacco material at least partially forms said second aerosol-forming substrate;
- a filler comprising chopped plant material, said chopped plant material at least partially forming said second aerosol-forming substrate;
- a liquid-retaining material comprising an aerosol-forming liquid, said aerosol-forming liquid at least partially forming said second aerosol-forming substrate;
- a liquid-retaining material comprising at least one flavoring substance, said flavoring substance at least partially forming said second flavoring material;
- cellulosic or cellulosic fibres,
- a cellulosic or cellulosic fiber comprising a flavoring substance, said flavoring substance at least partially forming said second flavoring material,
- acetate tow expanded fibers,
- vegetable expanded fiber, or
- paper.

An aerosol-forming rod according to any preceding claim, wherein said second aerosol-forming substrate is different from said first aerosol-forming substrate.

An aerosol-forming rod according to any preceding claim, wherein the susceptor comprises an expanded metal sheet, the expanded metal sheet comprising a plurality of openings therethrough.

An aerosol-forming rod according to any preceding claim, wherein the cylindrical core portion has a rectangular cross-section, or a square cross-section, or a semi-elliptical cross-section, or a semi-circular cross-section.

The cylindrical core portion is arranged symmetrically with respect to the longitudinal central axis of the aerosol-forming rod, or the cylindrical core portion is arranged so that the longitudinal central axis of the aerosol-forming rod is in the contact plane. or arranged to be coaxial with the line of contact between the cylindrical core and the susceptor abutting the cylindrical core rod.

8. Any of claims 1 to 7, wherein the susceptor is strip-shaped and the width dimension of the strip-shaped susceptor is constant or varies along the central longitudinal axis of the aerosol-forming rod. An aerosol-forming rod according to paragraph 1.

An aerosol-generating article comprising an induction-heated aerosol-forming rod according to any one of claims 1-8.

A forming apparatus for use in the manufacture of an induction heated aerosol-forming rod according to any one of claims 1 to 8, said forming apparatus comprising:
- of said first aerosol-forming substrate and said first flavoring material such that the continuous core strand has a cross-sectional shape corresponding to the cross-sectional shape of said cylindrical core portion as it passes through the core-forming device; said core forming device configured to assemble into said continuous core strand a core material comprising at least one of
- a longitudinal guide for arranging a continuous susceptor profile against said continuous core strand so as to laterally abut said continuous core strand as it passes through said core forming device; a longitudinal guide, said longitudinal guide extending downstream into at least an upstream section of said core forming device;
- the filler material disposed around at least the downstream section of the core forming device such that, on passage through the sleeve forming device, the continuous sleeve strand has a cross-sectional shape corresponding to the cross-sectional shape of the sleeve portion; , a sleeve material comprising at least one of said second aerosol-forming substrate and said second flavoring material onto said continuous sleeve strand around said continuous core strand and said continuous susceptor profile; and the sleeve forming apparatus configured to assemble with.

11. The molding apparatus of claim 10, wherein the longitudinal guide only extends downstream into the upstream section of the core forming apparatus.

12. Molding apparatus according to any one of claims 10 or 11, wherein the core forming device comprises an inner funnel and the sleeve forming device comprises an outer funnel.

- a first translation stage for adjusting the position of the longitudinal guide relative to the core forming device in at least one direction;
- a second translation stage for adjusting the position of the core forming device relative to the sleeve forming device in at least one direction. molding equipment.

Molding according to any one of claims 10 to 13, further comprising one or more guide fins disposed on at least one of the inner surface of the sleeve forming device and the outer surface of the core forming device. Device.

15. The molding apparatus of claim 14, wherein the one or more guide fins are helically twisted with respect to the direction of movement of the sleeve material through the molding apparatus.