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Tubular heating element suitable for aerosolizable material

專利號
US12156319B2
公開日期
2024-11-26
申請人
Nicoventures Trading Limited(GB London)
發(fā)明人
Martin Daniel Horrod; Julian Darryn White
IPC分類
A24F40/465; A61M15/06; H05B6/10; A61M11/04
技術(shù)領(lǐng)域
heating,material,in,coils,coating,element,tubular,article,or,spiral
地域: London

摘要

Disclosed is a tubular heating element for use in an apparatus for heating aerosolizable material to volatilize at least one component of the aerosolizable material. The tubular heating element further includes a heating material layer that is heatable by penetration with a varying magnetic field on a tubular support. The tubular heating element has a wall thickness of no more than one millimeter. Further, the tubular heating element can include a protective layer. The heating layer includes a ferromagnetic material based on cobalt or nickel.

說明書

PRIORITY CLAIM

The present application is a Continuation of U.S. patent application Ser. No. 15/733,326, filed Jun. 26, 2020, which is a National Phase entry of PCT Application No. PCT/EP2018/085684, filed Dec. 18, 2018, which claims priority from GB Patent Application No. 1722183.9, filed Dec. 28, 2017, each of which is hereby fully incorporated herein by reference.

TECHNICAL FIELD

The present disclosure relates to tubular heating elements for use in apparatus for heating aerosolizable material to volatilize at least one component of the aerosolizable material, to apparatus for heating aerosolizable material to volatilize at least one component of the aerosolizable material, and to systems comprising such apparatus and an article comprising the aerosolizable material.

BACKGROUND

Smoking articles such as cigarettes, cigars and the like burn tobacco during use to create tobacco smoke. Attempts have been made to provide alternatives to these articles by creating products that release compounds without combusting. Examples of such products are so-called “heat not burn” products or tobacco heating devices or products, which release compounds by heating, but not burning, material. The material may be, for example, tobacco or other non-tobacco products, which may or may not contain nicotine.

SUMMARY

權(quán)利要求

1
The invention claimed is:1. An apparatus for heating aerosolizable material to volatilize at least one component of the aerosolizable material, the apparatus comprising:a heating zone for receiving one or more articles comprising aerosolizable material;a heating element comprising heating material that is heatable by penetration with a varying magnetic field to heat the heating zone, wherein the heating element is encircled by the heating zone;a magnetic field generator for generating a varying magnetic field that penetrates the heating element in use; anda body of heat resistant plastics material, wherein a portion of the heating element is embedded in the body.2. The apparatus of claim 1, wherein the heating element extends parallel to, or coaxially with, the longitudinal axis of the heating zone.3. The apparatus of claim 1, wherein the apparatus is a tobacco heating product.4. The apparatus of claim 1, wherein the heating material comprises one or more materials selected from the group consisting of: an electrically-conductive material, a magnetic material, and a magnetic electrically-conductive material.5. The apparatus of claim 1, wherein the heating material comprises a metal or a metal alloy.6. The apparatus of claim 1, wherein the heating material comprises one or more materials selected from the group consisting of: steel, plain-carbon steel, mild steel, stainless steel, and ferritic stainless steel.7. A system for heating aerosolizable material to volatilize at least one component of the aerosolizable material, the system comprising:the apparatus according to claim 1; andthe article comprising aerosolizable material and for locating in the heating zone of the apparatus.8. The apparatus of claim 1, wherein the body is free from air inlets.9. The apparatus of claim 1, wherein the body is a plug.10. The apparatus of claim 1, wherein the portion of the heating element that is embedded in the body is outside the heating zone.
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