RU96100057A - HEATER FOR USE IN A SMOKING PRODUCT WITH A SOURCE OF ELECTRIC POWER FOR HEATING TOBACCO FRAGRANCE, HEATER FOR USING IN A SMOKING PRODUCT WITH A SOURCE OF ELEGEROGENI ELEGEROGENI ELEGEROGEN - Google Patents

HEATER FOR USE IN A SMOKING PRODUCT WITH A SOURCE OF ELECTRIC POWER FOR HEATING TOBACCO FRAGRANCE, HEATER FOR USING IN A SMOKING PRODUCT WITH A SOURCE OF ELEGEROGENI ELEGEROGENI ELEGEROGEN

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Publication number
RU96100057A
RU96100057A RU96100057/12A RU96100057A RU96100057A RU 96100057 A RU96100057 A RU 96100057A RU 96100057/12 A RU96100057/12 A RU 96100057/12A RU 96100057 A RU96100057 A RU 96100057A RU 96100057 A RU96100057 A RU 96100057A
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Russia
Prior art keywords
heating element
paragraphs
heater according
blades
tube
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RU96100057/12A
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Russian (ru)
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RU2132629C1 (en
Inventor
Р.Хаялигол Махаммад
С.Фляйшхауэр Грир
С.Диви Ситхарама
Т.Хиггинс Чарльз
Х.Хейз Патрик
Герман Герберт
В.Гэнсерт Роберт
Л.Коллинз Альфред
Дж.Кин Билли (младший)
С.Лэрой Бернард
Лилли А.Клинтон (младший)
Original Assignee
Филип Моррис Продактс Инк.
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Priority claimed from US08/370,125 external-priority patent/US5665262A/en
Application filed by Филип Моррис Продактс Инк. filed Critical Филип Моррис Продактс Инк.
Publication of RU96100057A publication Critical patent/RU96100057A/en
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Publication of RU2132629C1 publication Critical patent/RU2132629C1/en

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Claims (49)

1. Нагреватель для использования в курительном изделии с источником электроэнергии для нагрева табачной ароматной среды, отличающийся тем, что он содержит:
- подложку из электрически проводящего материала;
- электрический изолятор, нанесенный по меньшей мере на часть подложки, и
- электрический резистивный нагревательный элемент, нанесенный на электрический изолятор, причем первый конец нагревательного элемента подсоединен к электрически проводящей подложке, второй конец нагревательного элемента и часть нагревательного элемента между первым и вторым концами нагревательного элемента электрически изолированы от электрически проводящей подложки изолятором,
при этом подложка и второй конец нагревательного элемента выполнены с возможностью электрического подсоединения к источнику электроэнергии, а резистивная нагревательная цепь с возможностью нагревания нагревательного элемента который, в свою очередь, нагревает табачную ароматную среду.1. The heater for use in a smoking product with a source of electricity for heating tobacco aromatic environment, characterized in that it contains:
- a substrate of electrically conductive material;
an electrical insulator applied to at least a portion of the substrate, and
- an electric resistive heating element deposited on an electrical insulator, the first end of the heating element being connected to an electrically conductive substrate, the second end of the heating element and part of the heating element between the first and second ends of the heating element being electrically isolated from the electrically conductive substrate by an insulator,
wherein the substrate and the second end of the heating element are configured to be electrically connected to an electric power source, and the resistive heating circuit is capable of heating a heating element which, in turn, heats the tobacco aromatic environment. 2. Нагреватель для использования в курительном изделии с источником электроэнергии для нагрева цилиндрической сигареты, отличающийся тем, что он содержит:
- цилиндрическую трубку из электрически проводящего материала, снабженную множеством проходящих через нее зазоров, формирующих а) множество электрически проводящих лопаток, определяющих приемник для приема вставляемой цилиндрической сигареты и в) электрически проводящую общую концевую втулку, поддерживаемую внутри курительного изделия, при этом лопатки направлены от концевой втулки;
- электрический изолятор, нанесенный по меньшей мере на одну из множества электрически проводящих лопаток;
- электрический резистивный нагревательный элемент, нанесенный на изолятор, причем первый конец нагревательного элемента электрически подсоединен по меньшей мере к одной из множества электрически проводящих лопаток, а второй конец нагревательного элемента и часть нагревательного элемента между первым и вторым концами электрически изолированы от по меньшей мере одной электрически проводящей лопатки изолятором,
причем концевая втулка выполнена с возможностью нахождения в электрическом контакте с источником электроэнергии, а второй конец нагревательного элемента выполнен с возможностью нахождения в электрическом контакте с источником электроэнергии, при этом резистивная нагревательная цепь образована с возможностью нагрева электрически резистивного нагревательного элемента, который, в свою очередь, нагревает вставленную сигарету.2. A heater for use in a smoking article with an electric power source for heating a cylindrical cigarette, characterized in that it comprises:
- a cylindrical tube of electrically conductive material, provided with a plurality of gaps passing through it, forming a) a plurality of electrically conductive vanes defining a receiver for receiving an inserted cylindrical cigarette and c) an electrically conductive common end sleeve supported inside the smoking article, with the vanes being directed away from the end bushings;
- an electrical insulator applied to at least one of the plurality of electrically conductive blades;
an electric resistive heating element deposited on the insulator, the first end of the heating element being electrically connected to at least one of the plurality of electrically conductive vanes, and the second end of the heating element and the part of the heating element between the first and second ends are electrically isolated from at least one electrically conductive blade insulator,
moreover, the end sleeve is configured to be in electrical contact with an electric power source, and the second end of the heating element is configured to be in electrical contact with an electric power source, while the resistive heating circuit is configured to heat an electrically resistive heating element, which, in turn, heats the inserted cigarette. 3. Нагреватель по п. 2, отличающийся тем, что электрический изолятор нанесен на наружную поверхность трубки, противоположную поверхности трубки, обращенной к вставленной сигарете. 3. The heater according to claim 2, characterized in that the electrical insulator is applied to the outer surface of the tube opposite to the surface of the tube facing the inserted cigarette. 4. Нагреватель по любому из пп. 2 и 3, отличающийся тем, что по меньшей мере одна лопатка, нанесенный изолятор и связанный с ними нагревательный элемент имеют соответствующие резистивные коэффициенты теплового расширения, выбранные с возможностью компенсации теплового расширения при нагревании нагревательного элемента. 4. The heater according to any one of paragraphs. 2 and 3, characterized in that at least one blade, the applied insulator and the associated heating element have corresponding resistive thermal expansion coefficients selected to compensate for thermal expansion when the heating element is heated. 5. Нагреватель по любому из пп. 2 - 4, отличающийся тем, что зазоры размещены в продольном направлении относительно трубки для формирования множества идущих в продольном направлении лопаток. 5. The heater according to any one of paragraphs. 2 to 4, characterized in that the gaps are placed in the longitudinal direction relative to the tube to form a plurality of blades extending in the longitudinal direction. 6. Нагреватель по любому из пп. 2 - 4, отличающийся тем, что зазоры имеют спиральный вид. 6. The heater according to any one of paragraphs. 2 to 4, characterized in that the gaps have a spiral shape. 7. Нагреватель по любому из пп. 2 - 6, отличающийся тем, что зазоры имеют размеры, выбранные с возможностью минимизации тепловых потерь от нагретого нагревательного элемента и связанной с ним лопатки на соседнюю лопатку. 7. The heater according to any one of paragraphs. 2 - 6, characterized in that the gaps have sizes selected with the possibility of minimizing heat loss from the heated heating element and the associated blades on the adjacent blade. 8. Нагреватель по любому из пп.2 - 6, отличающийся тем, что зазоры имеют размеры, выбранные с возможностью минимизации утечки паров, вырабатываемых нагретой сигаретой. 8. The heater according to any one of paragraphs.2 to 6, characterized in that the gaps are sized so as to minimize leakage of vapors produced by the heated cigarette. 9. Нагреватель по любому из пп.2 - 8, отличающийся тем, что трубка содержит впускное отверстие для вставления сигареты и относительно узкий участок для обеспечения близкого соприкосновения с вставленной сигаретой. 9. The heater according to any one of paragraphs.2 to 8, characterized in that the tube contains an inlet for inserting a cigarette and a relatively narrow portion to ensure close contact with the inserted cigarette. 10. Нагреватель по п. 9, отличающийся тем, что диаметр входного отверстия несколько больше вставляемой сигареты. 10. The heater according to claim 9, characterized in that the diameter of the inlet is slightly larger than the inserted cigarette. 11. Нагреватель по любому из пп.9 и 10, отличающийся тем, что трубка дополнительно содержит участок горловины между впускным отверстием и суженным участком, причем участок горловины имеет постепенно уменьшающийся диаметр от впускного конца к суженному участку. 11. The heater according to any one of paragraphs.9 and 10, characterized in that the tube further comprises a neck section between the inlet and the narrowed section, and the neck section has a gradually decreasing diameter from the inlet end to the narrowed section. 12. Нагреватель по любому из пп. 9 - 11, отличающийся тем, что лопатки изогнуты внутрь для формирования суженного участка. 12. The heater according to any one of paragraphs. 9 to 11, characterized in that the blades are curved inward to form a narrowed area. 13. Нагреватель по любому из пп. 9 - 12, отличающийся тем, что входное отверстие расположено на конце трубки, противоположном общей концевой втулке, и определяется свободными концами лопаток. 13. The heater according to any one of paragraphs. 9 to 12, characterized in that the inlet is located at the end of the tube, opposite the common end sleeve, and is determined by the free ends of the blades. 14. Нагреватель по любому из пп. 9 - 13, отличающийся тем, что он содержит другую концевую втулку, расположенную на противоположном конце трубки от общей концевой втулки, причем другая концевая втулка определяет входное отверстие для вставления сигареты. 14. The heater according to any one of paragraphs. 9 to 13, characterized in that it contains another end sleeve located on the opposite end of the tube from the common end sleeve, and the other end sleeve defines an inlet for inserting a cigarette. 15. Нагреватель по любому из пп. 2 - 8, отличающийся тем, что он содержит вторую концевую втулку, расположенную на противоположном конце трубки от общей концевой втулки. 15. The heater according to any one of paragraphs. 2 to 8, characterized in that it contains a second end sleeve located on the opposite end of the tube from the common end sleeve. 16. Нагреватель по п. 15, отличающийся тем, что зазоры проходят между лопатками и другой концевой втулкой. 16. The heater according to claim 15, characterized in that the gaps pass between the blades and the other end sleeve. 17. Нагреватель по любому из пп. 2 - 16, отличающийся тем, что он содержит положительный электрический контакт, электрически соединенный с вторым концом нагревательного элемента. 17. The heater according to any one of paragraphs. 2 to 16, characterized in that it contains a positive electrical contact electrically connected to the second end of the heating element. 18. Нагреватель по любому из пп. 2 - 17, отличающийся тем, что он содержит по меньшей мере два электрических изолятора, соответственно нанесенных по меньшей мере на две из множества лопаток, и связанный с ними нагревательный элемент, нанесенный на каждый из изоляторов, при этом первый конец каждого связанного с ними нагревательного элемента подсоединен к соответствующей лопатке, причем общая концевая втулка служит в качестве электрической общей детали для соответствующих нагревательных элементов, а второй конец каждого соответствующего нагревательного элемента выполнен с возможностью соответствующего электрического соединения с источником электрической энергии. 18. The heater according to any one of paragraphs. 2 to 17, characterized in that it contains at least two electrical insulators, respectively deposited on at least two of the multiple blades, and a heating element associated therewith, deposited on each of the insulators, the first end of each associated heating element the element is connected to the corresponding blade, the common end sleeve serving as the electrical common part for the respective heating elements, and the second end of each corresponding heating element n with the possibility of an appropriate electrical connection to a source of electrical energy. 19. Нагреватель по п. 18, отличающийся тем, что изоляторы и связанные с ними нагревательные элементы нанесены на каждую вторую лопатку. 19. The heater according to claim 18, characterized in that the insulators and the associated heating elements are applied to each second blade. 20. Нагреватель по п. 18, отличающийся тем, что изоляторы нанесены на каждую из множества лопаток, а соответствующий нагревательный элемент нанесен на каждую вторую лопатку. 20. The heater according to claim 18, characterized in that the insulators are applied to each of the multiple blades, and a corresponding heating element is applied to each second blade. 21. Нагреватель по п.18, отличающийся тем, что множество лопаток, имеющих соответствующий нагревательный элемент, соответствует заранее установленному количеству затяжек вставленной сигареты. 21. The heater according to claim 18, characterized in that the plurality of vanes having a corresponding heating element corresponds to a predetermined number of puffs of the inserted cigarette. 22. Нагреватель по п. 18, отличающийся тем, что количество лопаток, имеющих соответствующие нагревательные элементы, равно заранее заданному количеству затяжек. 22. The heater according to claim 18, characterized in that the number of blades having respective heating elements is equal to a predetermined number of puffs. 23. Нагреватель по п. 18, отличающийся тем, что количество лопаток, имеющих соответствующие нагревательные элементы, в два раза больше заранее заданного количества требуемых затяжек вставленной сигареты. 23. The heater according to claim 18, characterized in that the number of blades having corresponding heating elements is two times greater than the predetermined number of required puffs of the inserted cigarette. 24. Нагреватель по п. 18, отличающийся тем, что две лопатки, имеющие соответствующий нагревательный элемент выполнены с возможностью одновременного резистивного нагревания. 24. The heater according to claim 18, characterized in that the two blades having a corresponding heating element are configured to simultaneously resistively heat. 25. Нагреватель по любому из пп. 18 - 24, отличающийся тем, что электрические изоляторы нанесены на наружную поверхность трубки, противоположную поверхности трубки, обращенной к вставленной сигарете. 25. The heater according to any one of paragraphs. 18 to 24, characterized in that the electrical insulators are deposited on the outer surface of the tube opposite to the surface of the tube facing the inserted cigarette. 26. Нагреватель по любому из пп. 2 - 25, отличающийся тем, что по меньшей мере через одну из лопаток выполнены перфорации. 26. The heater according to any one of paragraphs. 2 to 25, characterized in that at least through one of the blades perforations are made. 27. Нагреватель по любому из пп. 2 - 17, отличающийся тем, что электрический изолятор нанесен на внутренней поверхности трубки, при этом нагревательный элемент обращен к вставленной сигарете. 27. The heater according to any one of paragraphs. 2 to 17, characterized in that the electrical insulator is deposited on the inner surface of the tube, with the heating element facing the inserted cigarette. 28. Нагреватель по любому из пп.1 - 27, отличающийся тем, что электрически проводящий материал цилиндрической трубки выбран из группы, содержащей железо, алюминиды и алюминиды никеля, а нагревательный элемент содержит электрически резистивный материал, выбранный из группы, содержащей алюминиды железа и алюминиды никеля. 28. The heater according to any one of claims 1 to 27, characterized in that the electrically conductive material of the cylindrical tube is selected from the group consisting of iron, aluminides and nickel aluminides, and the heating element comprises an electrically resistive material selected from the group consisting of iron and aluminides nickel. 29. Нагреватель по любому из пп. 1 - 28, отличающийся тем, что электрически проводящая трубка или подложка содержит алюминид железа, электрический резистивный нагревательный элемент содержит алюминид железа, электрический изолятор выбран из группы, содержащей окись алюминия, двуокись циркония, мулит и смеси окиси алюминия и двуокиси циркония. 29. The heater according to any one of paragraphs. 1 to 28, characterized in that the electrically conductive tube or substrate contains iron aluminide, the electric resistive heating element contains iron aluminide, the electrical insulator is selected from the group consisting of alumina, zirconia, mulite and a mixture of alumina and zirconia. 30. Нагреватель по любому из пп. 1 - 29, отличающийся тем, что изолятор содержит двуокись циркония, частично стабилизированную окисью иттрия. 30. The heater according to any one of paragraphs. 1 to 29, characterized in that the insulator contains zirconia, partially stabilized with yttrium oxide. 31. Нагреватель по любому из пп. 1 - 30, отличающийся тем, что по меньшей мере одна из электрически проводящих подложек или трубка и резистивный нагревательный элемент содержит примерно 77,92% никеля, примерно 21,73% алюминия, примерно 0,34% циркония и примерно 0,01% бора. 31. The heater according to any one of paragraphs. 1 to 30, characterized in that at least one of the electrically conductive substrates or tube and the resistive heating element contains about 77.92% nickel, about 21.73% aluminum, about 0.34% zirconium and about 0.01% boron . 32. Нагреватель по любому из пп. 1 - 31, отличающийся тем, что электрически проводящая трубка или подложка содержит алюминид никеля, имеющий модификатор, выбранный из группы, содержащей цирконий и бор. 32. The heater according to any one of paragraphs. 1 to 31, characterized in that the electrically conductive tube or substrate contains nickel aluminide having a modifier selected from the group consisting of zirconium and boron. 33. Нагреватель по любому из пп.1 - 32, отличающийся тем, что нагревательный элемент содержит алюминид никеля, имеющий модификатор, выбранный из группы, содержащей цирконий и бор. 33. The heater according to any one of claims 1 to 32, characterized in that the heating element comprises nickel aluminide having a modifier selected from the group consisting of zirconium and boron. 34. Нагреватель по п. 18, отличающийся тем, что цилиндрическая трубка дополнительно содержит общую лопатку из электрически проводящего материала, проходящую от общей концевой втулки, причем общая лопатка выполнена с возможностью электрического соединения с источником электрической энергии. 34. The heater according to claim 18, characterized in that the cylindrical tube further comprises a common blade of electrically conductive material extending from the common end sleeve, the common blade being made with the possibility of electrical connection with a source of electrical energy. 35. Нагреватель по п. 18, отличающийся тем, что общая втулка определяет впускное отверстие для вставления сигареты, первый конец нагревательного элемента является ближайшим к общей втулке, а второй конец нагревательного элемента является отдаленным от общей втулки. 35. The heater according to claim 18, wherein the common sleeve defines an inlet for inserting a cigarette, the first end of the heating element is closest to the common sleeve, and the second end of the heating element is remote from the common sleeve. 36. Нагреватель по п. 13, отличающийся тем, что первый конец нагревательного элемента является отдаленным относительно общей втулки, а второй конец нагревательного элемента является ближайшим относительно общей втулки. 36. The heater according to claim 13, characterized in that the first end of the heating element is remote relative to the common sleeve, and the second end of the heating element is closest to the common sleeve. 37. Способ изготовления нагревателя для использования в электрическом курительном изделии, предназначенном для нагрева цилиндрической сигареты, отличающийся тем, что
- обеспечивают электрически проводящий материал;
- формируют а) множество лопаток из электрически проводящего материала, имеющих между собой зазоры; и в) общую концевую часть, причем лопатки проходят от общей концевой части;
- формируют электрический изолятор по меньшей мере на одной из множества электрически проводящих лопаток;
- формируют электрический резистивный нагреватель на образованном электрическом изоляторе с возможностью расположения первого конца нагревателя в электрическом соприкосновении по меньшей мере с одной электрически проводящей лопаткой;
- формируют электрический контакт на втором конце образованного нагревателя, и
- формируют множество лопаток и общий участок в цилиндрическом приемнике для приема вставляемой сигареты.37. A method of manufacturing a heater for use in an electric smoking article intended for heating a cylindrical cigarette, characterized in that
- provide electrically conductive material;
- form a) a plurality of blades of electrically conductive material having gaps between them; and c) a common end portion, the blades extending from the common end portion;
- form an electrical insulator on at least one of the many electrically conductive blades;
- form an electric resistive heater on the formed electrical insulator with the possibility of arranging the first end of the heater in electrical contact with at least one electrically conductive blade;
- form an electrical contact at the second end of the formed heater, and
- form many blades and a common area in a cylindrical receiver for receiving an inserted cigarette. 38. Способ по п. 37, отличающийся тем, что формирование электрического изолятора и резистивного нагревателя выполняют посредством нанесения маскировочного покрытия и теплового напыления на соответствующий изолятор и на резистивные трафареты нагревателя. 38. The method according to p. 37, characterized in that the formation of an electrical insulator and a resistive heater is performed by applying a camouflage coating and thermal spraying on the corresponding insulator and on the resistive stencils of the heater. 39. Способ по любому из пп. 37 и 38, отличающийся тем, что при формировании множества лопаток осуществляют лазерное разрезание трубки из электрически проводящего материала для образования множества лопаток. 39. The method according to any one of paragraphs. 37 and 38, characterized in that when forming a plurality of blades, laser cutting of a tube of electrically conductive material is performed to form a plurality of blades. 40. Способ по любому из пп. 37 - 39, отличающийся тем, что множество лопаток формируют перед формированием электрического изолятора на трубке. 40. The method according to any one of paragraphs. 37 - 39, characterized in that many of the blades are formed before the formation of the electrical insulator on the tube. 41. Способ по любому из пп. 37 - 40, отличающийся тем, что при обеспечении электрически проводящего материала осуществляют штамповку листа электрически проводящего материала в виде трубки. 41. The method according to any one of paragraphs. 37 - 40, characterized in that when providing an electrically conductive material, stamping a sheet of electrically conductive material in the form of a tube. 42. Способ по любому из пп. 37 - 41, отличающийся тем, что при формировании лопаток формируют лопатки, которые проходят параллельно относительно продольной оси трубки. 42. The method according to any one of paragraphs. 37 - 41, characterized in that when the blades are formed, blades are formed that extend parallel to the longitudinal axis of the tube. 43. Способ по любому из пп. 37 - 41, отличающийся тем, что при формировании лопаток формируют лопатки, которые проходят спиральным образом относительно продольной оси трубки из электрически проводящего материала. 43. The method according to any one of paragraphs. 37 - 41, characterized in that when the blades are formed, blades are formed that extend in a spiral manner relative to the longitudinal axis of the tube of electrically conductive material. 44. Способ по п. 43, отличающийся тем, что изготовленные в виде спирали лопатки образуют посредством вращения трубки с одновременным перемещением резака в продольном направлении относительно вращающейся трубки. 44. The method according to p. 43, characterized in that the blades made in the form of a spiral are formed by rotating the tube while moving the torch in the longitudinal direction relative to the rotating tube. 45. Способ по любому из пп. 37 - 44, отличающийся тем, что осуществляют вращение трубки из электрически проводящего материала во время формирования электрического изолятора. 45. The method according to any one of paragraphs. 37 to 44, characterized in that the rotation of the tube of electrically conductive material during the formation of the electrical insulator. 46. Способ по п. 45, отличающийся тем, что осуществляют вращение трубки между каждым этапом формирования электрически резистивного нагревателя. 46. The method according to p. 45, characterized in that the rotation of the tube between each stage of the formation of an electrically resistive heater. 47. Способ по любому из пп. 37 - 46, отличающийся тем, что осуществляют штамповку листа электрически проводящего материала для образования общего участка и множества лопаток, проходящих перпендикулярно от общего участка и разделенных друг от друга, и сворачивание общего участка для образования втулки с множеством идущих от нее лопаток, определяющих приемник для приема цилиндрической сигареты. 47. The method according to any one of paragraphs. 37 - 46, characterized in that the stamping sheet of electrically conductive material is carried out to form a common area and a plurality of blades extending perpendicularly from the common area and separated from each other, and folding the common area to form a sleeve with a plurality of blades extending from it defining a receiver for receiving a cylindrical cigarette. 48. Способ по любому из пп. 37 - 46, отличающийся тем, что осуществляют штамповку листа электрически проводящего материала для образования центральной втулки и множества лопаток, проходящих в радиальном направлении от нее, и сгибание лопаток в одном и том же направлении для определения приемника для вставления цилиндрической сигареты. 48. The method according to any one of paragraphs. 37 to 46, characterized in that the sheet is stamped with electrically conductive material to form a central sleeve and a plurality of vanes extending radially from it, and the vanes are bent in the same direction to define a receiver for inserting a cylindrical cigarette. 49. Способ по п. 48, отличающийся тем, что осуществляют сгибание части каждой лопатки примерно на 180o по направлению к образованной общей втулке, причем первый конец нагревателя формируют с возможностью его расположения вблизи к общей втулке, и дополнительно осуществляют образование электрического соединения от второго конца нагревателя вдоль согнутой второй лопатки по направлению к общей втулке.49. The method according to p. 48, characterized in that the part of each blade is bent by about 180 ° towards the formed common sleeve, the first end of the heater being formed so that it can be located close to the common sleeve, and additionally, an electrical connection is formed from the second the end of the heater along the bent second blade towards the common sleeve.
RU96100057A 1994-04-08 1995-04-06 Tobacco heater with electric power supply for heating tobacco aromatic medium, that for heating cylindrical cigarettes, and heater manufacturing process RU2132629C1 (en)

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US22484894A 1994-04-08 1994-04-08
US08/224,848 1994-04-08
US08/224.848 1994-04-08
US08/370.125 1995-01-09
US08/370,125 1995-01-09
US08/370,125 US5665262A (en) 1991-03-11 1995-01-09 Tubular heater for use in an electrical smoking article
PCT/US1995/004343 WO1995027412A1 (en) 1994-04-08 1995-04-06 Tubular heater for use in an electrical smoking article

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