A heater assembly for heating an aerosol generating material includes an accommodation portion configured to accommodate the aerosol generating material; an induction coil coupled to an outer surface of the accommodation portion; a susceptor located in the accommodation portion and configured to generate heat by an alternating magnetic field generated by a current flowing through the induction coil; and a support element coupled to the susceptor such that the suspector is spaced apart from an inner surface of the accommodation portion by the support element, wherein the induction coil includes a wire including a conductor, an insulator surrounding the conductor, and a bonding member surrounding the insulator.

A heater assembly for heating an aerosol generating material includes an accommodation portion configured to accommodate the aerosol generating material; an induction coil coupled to an outer surface of the accommodation portion; a susceptor located in the accommodation portion and configured to generate heat by an alternating magnetic field generated by a current flowing through the induction coil; and a support element coupled to the susceptor such that the suspector is spaced apart from an inner surface of the accommodation portion by the support element, wherein the induction coil includes a wire including a conductor, an insulator surrounding the conductor, and a bonding member surrounding the insulator.

Method and machine to manufacture a coil around a component of an article. A main conveyor moves, along a working path, a carriage provided with a seat designed to house the component; the component is arranged in the seat of the carriage in an input station arranged along the working path; and in a winding station arranged along the working path, a wire is directly wound around the component to form a series of turns making up the coil by making a movable finger, which engages the wire in a sliding manner, revolving around the component several times.

Method and machine to manufacture a coil around a component of an article. A main conveyor moves, along a working path, a carriage provided with a seat designed to house the component; the component is arranged in the seat of the carriage in an input station arranged along the working path; and in a winding station arranged along the working path, a wire is directly wound around the component to form a series of turns making up the coil by making a movable finger, which engages the wire in a sliding manner, revolving around the component several times.

A layered heater assembly for an aerosol generating device, comprising: a heat conduction layer operable to emit heat through an external surface of the layered heater assembly; a first electrically conductive track operable to generate heat; and an electrical insulation layer between the heat conduction layer and the first 5 electrically conductive track. A method for manufacturing the layered heater assembly, and an aerosol generating device incorporating the layered heater assembly.

A layered heater assembly for an aerosol generating device, comprising: a heat conduction layer operable to emit heat through an external surface of the layered heater assembly; a first electrically conductive track operable to generate heat; and an electrical insulation layer between the heat conduction layer and the first 5 electrically conductive track. A method for manufacturing the layered heater assembly, and an aerosol generating device incorporating the layered heater assembly.

A metal housing for an aerosol provision device is described and can include a printed circuit board mounted within the metal housing; a first contact spring providing an electrical connection between a first connection point on an inside of the metal housing and a ground connection of the printed circuit board; and a second contact spring providing an electrical connection between a second connection point on the inside surface of the metal housing and an antenna signal output for providing an antenna signal for transmission by the metal housing. The metal housing includes a radiating conductor element extending from a first surface element to a second surface element, wherein the first and second connection points are provided on the radiating conductor element and wherein a distance between the first and second surface elements is at least one quarter of a wavelength of the antenna signal transmission.

A metal housing for an aerosol provision device is described and can include a printed circuit board mounted within the metal housing; a first contact spring providing an electrical connection between a first connection point on an inside of the metal housing and a ground connection of the printed circuit board; and a second contact spring providing an electrical connection between a second connection point on the inside surface of the metal housing and an antenna signal output for providing an antenna signal for transmission by the metal housing. The metal housing includes a radiating conductor element extending from a first surface element to a second surface element, wherein the first and second connection points are provided on the radiating conductor element and wherein a distance between the first and second surface elements is at least one quarter of a wavelength of the antenna signal transmission.

A cartridge for an e-vaping device includes a reservoir configured to hold pre-vapor formulation, a vaporizer assembly configured to draw at least some of the pre-vapor formulation from the reservoir and vaporize the drawn pre-vapor formulation to form a vapor, and a superabsorbent polymer configured to absorb free water from pre-vapor formulation held in the reservoir. The superabsorbent polymer includes a cross-linked polyacrylate copolymer that is substantially inert to the pre-vapor formulation. The superabsorbent polymer may be included in a layer on one or more surfaces in the cartridge. The layer may include the superabsorbent polymer and a binder. The superabsorbent polymer may be included with the pre-vapor formulation in a formulation mixture. The superabsorbent polymer may be included in an interior of at least one element comprising the cartridge. The superabsorbent polymer may be included in a separate compartment in the reservoir.

A vaporiser assembly for an aerosol-generating system may include a capillary element made from porous glass. The capillary element has a first end and a second end. The vaporiser assembly further comprises a heater element. The first end of the capillary element is configured to be fluidically connected to a liquid storage portion. The heater element is provided at the second end of the capillary element. The pore size of the capillary element is configured to allow a liquid aerosol-forming substrate from the liquid storage portion to be conveyed from the first end to the second end of the capillary element by capillary action. The capillary element has a pore size gradient such that an average pore size of the capillary element transitions or varies from larger pores at the first end of the capillary element to smaller pores at the second end of the capillary element.