Granted Patent
B2
US 12,604,931 · App. 17/498,491 · Granted Apr 21, 2026
Heating device for apparatus for heating smokable material and method of manufacture
Assignee:
Nicoventures Trading Limited
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Abstract
Described herein is a heating device for use with apparatus for heating smokable material to volatilize at least one component of the smokable material. The heating device includes a heating element, and smokable material bonded to the heating element. The heating element includes a layer of electrically-conductive material, a first layer of polyimide, and a second layer of polyimide. The layer of electrically-conductive material is located between the first and second layers of polyimide. Also described are cartridges including the heating device, apparatus including the heating device, and methods of manufacturing the heating device.
Claims (25)
1 . A heating device for use with an apparatus for heating smokable material to volatilize at least one component of the smokable material, the heating device comprising:
a heating element; and
smokable material around the heating element;
wherein the heating element comprises a body of electrically-conductive material, a first body of heat-resistive material, and a second body of heat-resistive material, and wherein the body of electrically-conductive material is located between the first body of heat-resistive material and the second body of heat-resistive material.
2 . The heating device according to claim 1 , wherein the body of electrically-conductive material is a metal or a metal alloy.
3 . The heating device according to claim 1 , wherein the body of electrically-conductive material is selected from the group consisting of: steel, stainless steel, copper and nichrome.
4 . The heating device according to claim 1 , wherein the body of electrically-conductive material is a body of patterned electrically-conductive material.
5 . The heating device according to claim 1 , wherein the body of electrically-conductive material is a body of etched or printed electrically-conductive material.
6 . The heating device according to claim 1 , wherein the body of electrically-conductive material is a foil layer.
7 . The heating device according to claim 1 , wherein the body of electrically-conductive material is in contact with the first body of heat-resistive material and the second body of heat-resistive material.
8 . The heating device according to claim 1 , wherein the heat-resistive material of at least one of the first body of heat-resistive material or the second body of heat-resistive material is polyimide.
9 . The heating device according to claim 1 , wherein the smokable material is bonded to at least one of the first body of heat-resistive material or the second body of heat-resistive material.
10 . The heating device according to claim 1 , wherein the first and second bodies of heat-resistive material each comprise adhesive.
11 . The heating device according to claim 1 , wherein the smokable material comprises tobacco.
12 . The heating device according to claim 11 , wherein the first body of heat-resistive material is a first layer of adhesive and the second body of heat-resistive material is a second layer of adhesive, wherein at least one of said first and second layers of adhesive comprises a polysaccharide.
13 . A cartridge for use with an apparatus for heating smokable material to volatilize at least one component of the smokable material, the cartridge comprising the heating device according to claim 1 .
14 . The cartridge according to claim 13 , further comprising a housing defining a chamber, wherein the heating device is located within the chamber.
15 . An apparatus for heating smokable material to volatilize at least one component of the smokable material, the apparatus comprising the heating device according to claim 1 and being arranged to heat the smokable material to volatilize the at least one component of the smokable material without combusting the smokable material.
16 . The apparatus according to claim 15 , further comprising a cartridge, the cartridge comprising the heating device.
17 . The heating device according to claim 1 , wherein the first body of heat-resistive material is a first layer of heat-resistive material and the second body of heat-resistive material is a second layer of heat-resistive material.
18 . A method of manufacturing a heating device for use with an apparatus for heating smokable material to volatilize at least one component of the smokable material, the method comprising:
locating a body of electrically-conductive material between a first body of heat-resistive material and a second body of heat-resistive material to form a heating element; and
arranging smokable material around the heating element.
19 . The method according to claim 18 , further comprising patterning electrically-conductive material to form the body of electrically-conductive material.
20 . The method according to claim 19 , wherein locating the body of electrically-conductive material between the first and second bodies of heat-resistive material comprises applying, in fluid form, the first and second bodies of heat-resistive material to the body of electrically-conductive material so as to at least partially coat the body of electrically-conductive material.
Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Feb 21, 2025
From: BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED
To: NICOVENTURES TRADING LIMITED
Reel/Frame 070291/0011 →
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Sep 21, 2022
From: ROBINSON, JOE; LITTEN, NEIL; SINGH, HARPAL; PA HOLDINGS LIMITED; PA CONSULTING SERVICES LIMITED
To: BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED
Reel/Frame 061166/0939 →
Priority Claims (1)
GB 1423312
· Dec 29, 2014
· national
Continuity (3)
Continuation
15540761
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