The invention relates to a method for monitoring the temperature of the sleeve part of a tool holder, which sleeve part is inserted into the induction coil of a contraction device, wherein the instantaneous inductance of the induction coil is measured during the inductive heating and the current supply to the induction coil is influenced if the instantaneous inductance approaches, reaches, or exceeds a specified value.

The invention relates to a method for monitoring the temperature of the sleeve part of a tool holder, which sleeve part is inserted into the induction coil of a contraction device, wherein the instantaneous inductance of the induction coil is measured during the inductive heating and the current supply to the induction coil is influenced if the instantaneous inductance approaches, reaches, or exceeds a specified value.

A mold for coating a pipeline section with molten coating material from an injection molding machine, wherein the mold comprises a shell of impervious material reinforced by an exoskeleton of non-distensible material. An assembly for supporting a mold comprising a plurality of mutually separable shell bodies for coating a pipeline section, wherein the assembly comprises motorized opening and closing of the shell bodies in a straight line. An assembly for supporting a bent pipeline section wherein the assembly comprises a base and a pair of arms extending from the base, wherein each arm comprises a respective clamping collar for clamping a bent pipe section between the arms. A vehicle for induction heating a bent pipeline section, wherein the vehicle comprises: a helical induction coil; and wheels arranged to guide movement of both ends of the induction coil through a tubular inside face of a bent pipeline section.

A mold for coating a pipeline section with molten coating material from an injection molding machine, wherein the mold comprises a shell of impervious material reinforced by an exoskeleton of non-distensible material. An assembly for supporting a mold comprising a plurality of mutually separable shell bodies for coating a pipeline section, wherein the assembly comprises motorized opening and closing of the shell bodies in a straight line. An assembly for supporting a bent pipeline section wherein the assembly comprises a base and a pair of arms extending from the base, wherein each arm comprises a respective clamping collar for clamping a bent pipe section between the arms. A vehicle for induction heating a bent pipeline section, wherein the vehicle comprises: a helical induction coil; and wheels arranged to guide movement of both ends of the induction coil through a tubular inside face of a bent pipeline section.

An aerosol provision device includes at least one inductor coil for generating a varying magnetic field and a susceptor assembly arranged to receive aerosol generating material. The susceptor assembly is heatable by penetration with the varying magnetic field and includes a first portion defining an opening at one end of the susceptor assembly, where the opening has a first internal cross section. The susceptor assembly further includes a second portion adjacent to the first portion. The second portion has a second internal cross section that is less than the first internal cross section.

An aerosol provision device includes at least one inductor coil for generating a varying magnetic field and a susceptor assembly arranged to receive aerosol generating material. The susceptor assembly is heatable by penetration with the varying magnetic field and includes a first portion defining an opening at one end of the susceptor assembly, where the opening has a first internal cross section. The susceptor assembly further includes a second portion adjacent to the first portion. The second portion has a second internal cross section that is less than the first internal cross section.

A cartridge for an electrically heatable aerosol-generating system is provided, the system including an aerosol-generating device, the cartridge configured to be used with the device, the device including a device housing defining a cavity to receive the cartridge, an inductor coil around or adjacent to the cavity, and a power supply connected to the coil and to provide a high-frequency oscillating current; the cartridge including: a cartridge housing to engage the device housing and containing an aerosol-forming substrate, the cartridge housing having an external surface, at least part of which is formed by a fluid permeable susceptor element that is electrically isolated from any other electrically conductive components; a first capillary material in the cartridge housing in contact with the susceptor element; and a second capillary material in the cartridge housing in contact with the first material, the first material having a higher thermal decomposition temperature than the second material.

A cartridge for an electrically heatable aerosol-generating system is provided, the system including an aerosol-generating device, the cartridge configured to be used with the device, the device including a device housing defining a cavity to receive the cartridge, an inductor coil around or adjacent to the cavity, and a power supply connected to the coil and to provide a high-frequency oscillating current; the cartridge including: a cartridge housing to engage the device housing and containing an aerosol-forming substrate, the cartridge housing having an external surface, at least part of which is formed by a fluid permeable susceptor element that is electrically isolated from any other electrically conductive components; a first capillary material in the cartridge housing in contact with the susceptor element; and a second capillary material in the cartridge housing in contact with the first material, the first material having a higher thermal decomposition temperature than the second material.

There is described an aerosol-forming substrate for use in combination with an inductive heating device. The aerosol-forming substrate comprises a solid material which is capable of releasing volatile compounds that can form an aerosol upon heating of the aerosol-forming substrate and at least a first susceptor material for heating the aerosol-forming substrate. The at least first susceptor material is arranged in thermal proximity of the solid material. The aerosol-forming substrate further comprises at least a second susceptor material which has a second Curie-temperature which is lower than a first Curie-temperature of the first susceptor material. The second Curie-temperature of the second susceptor material corresponds to a predefined maximum heating temperature of the first susceptor material. There is also described an aerosol-delivery system.

There is described an aerosol-forming substrate for use in combination with an inductive heating device. The aerosol-forming substrate comprises a solid material which is capable of releasing volatile compounds that can form an aerosol upon heating of the aerosol-forming substrate and at least a first susceptor material for heating the aerosol-forming substrate. The at least first susceptor material is arranged in thermal proximity of the solid material. The aerosol-forming substrate further comprises at least a second susceptor material which has a second Curie-temperature which is lower than a first Curie-temperature of the first susceptor material. The second Curie-temperature of the second susceptor material corresponds to a predefined maximum heating temperature of the first susceptor material. There is also described an aerosol-delivery system.