巴西专利BR112014026390B1 device

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专利摘要:
APPLIANCE, METHOD FOR MANUFACTURING AN APPLIANCE AND METHOD FOR HEATING SMOKEABLE MATERIAL. The present invention relates to an apparatus comprising a film heater configured to heat the smokable material to volatilize at least one component of the smokable material for inhalation.
公开号:BR112014026390B1
申请号:R112014026390-6
申请日:2013-04-11
公开日:2021-03-09
发明作者:Fozia Saleem；Thomas Woodman
申请人:Nicoventures Trading Limited；
IPC主号:

专利说明:

Field
[0001] The invention relates to a smokable heating material. Background
[0002] Smoking articles such as cigarettes and cigars burn tobacco during use to create tobacco smoke. Attempts have been made to provide alternatives to these smoking articles, creating products that release compounds without creating tobacco smoke. Examples of such products are the so-called unburned heat products that release compounds by heating, but not burning, tobacco. summary
[0003] According to the invention, an apparatus is provided which comprises a film heater configured to heat the smokable material to volatilize at least one component of the smokable material for inhalation.
[0004] The film heater can be a polyimide film heater.
[0005] The heater can be less than 1 mm thick.
[0006] The heater can be less than 0.5 mm thick.
[0007] The heater can have a thickness between about 0.2 mm and 0.0002 mm.
[0008] The device may comprise thermal insulation integrated with the heater.
[0009] The device may comprise thermal insulation in line with the heater.
[0010] The device may comprise thermal insulation separated from the heater by a barrier.
[0011] The barrier may include a layer of stainless steel.
[0012] Thermal insulation may include a core region, which is evacuated to a lower pressure than an external insulation.
[0013] The wall sections of the insulation on both sides of the core region can converge to a sealed gas outlet.
[0014] The thickness of the insulation can be less than about 1 mm.
[0015] The thickness of the insulation can be less than about 0.1 mm.
[0016] The thickness of the insulation can be between approximately 1 mm and 0.001 mm.
[0017] The apparatus may comprise a mouthpiece for inhaling volatilized components of the smokable material.
[0018] The device can be configured to heat the smokable material without combustion of the smokable material.
[0019] According to the invention, there is provided a method of manufacturing the apparatus and a method for heating the smokable material using the apparatus.
[0020] The insulation can be located between a heating chamber for the smokable material and an exterior of the appliance to reduce heat loss from the heated smokable material.
[0021] The insulation can be located coaxially around the heating chamber.
[0022] The smokable material heating chamber may comprise a substantially tubular heating chamber and the insulation may be located around a longitudinal surface of the tubular heating chamber.
[0023] The insulation may comprise a substantially tubular insulating body located around the heating chamber.
[0024] The heating chamber of smokable material can be located between the insulation and a heater.
[0025] A heater can be located between the smokable material heating chamber and the insulation.
[0026] The insulation can be located on the outside of the heater.
[0027] The heater can be located co-axially around the heating chamber and the insulation can be located co-axially around the heater.
[0028] The insulation may comprise an infrared radiation reflective material to reduce the spread of infrared radiation through the insulation.
[0029] The insulation may comprise an outer wall that surrounds the core region.
[0030] An internal surface of the wall may comprise an infrared radiation reflective coating to reflect infrared radiation within the core region.
[0031] The wall may include a layer of stainless steel with a thickness of at least about 100 microns.
[0032] Wall sections on both sides of the core region can be connected by a junction wall section that follows an indirect path between the sections on both sides of the core region.
[0033] The pressure in the core region can be between about 0.1 and about 0.001 mbar.
[0034] An insulation heat transfer coefficient can be between about 1.10 W / (m2K) and about 1.40 W / (m2K) when an insulation temperature is in the range of 150 degrees Celsius to 250 degrees Celsius.
[0035] The core region can comprise a porous material.
[0036] Converging wall sections can converge on an end region of the insulation.
[0037] The heater can be activated electrically.
[0038] For purposes of example only, embodiments of the invention are described below with reference to the accompanying figures, in which: Brief description of the figures
[0039] Figure 1 is a schematic illustration, in cross section of an apparatus configured to heat the smokable material to release aromatic compounds and / or nicotine from the smokable material;
[0040] Figure 2 is a perspective illustration, partly in section, of an apparatus configured to heat the smokable material to release aromatic compounds and / or nicotine from the smokable material;
[0041] Figure 3 is a perspective illustration, partially in section of an apparatus configured to heat the smokable material, in which the smokable material is supplied around an elongated ceramic heater divided into radial heating sections;
[0042] Figure 4 is a partial exploded sectional view of an apparatus configured to heat the smokable material, in which the smokable material is supplied around an elongated ceramic heater divided into radial heating sections;
[0043] Figure 5 is a flow diagram showing a method of activating heating regions and opening and closing valves of the heating chamber during the smoke, in which steps S1 to S12 are as follows: S1 - detect swallowed; S2 - heat the first section of smokable material; S3 - open the opening of the heating chamber and outlet valves; S4 - close the opening of the heating chamber and outlet valves; S5 - detect puff; S6 - heat the second section of smokable material; S7 - open the opening of the heating chamber and outlet valves; S8 - close the opening of the heating chamber and outlet valves; S9 - detect puff; S10 - heat the third section of smokable material; S11 - open the opening of the heating chamber and outlet valves; S12 - close the opening of the heating chamber and outlet valves;
[0044] Figure 6 is a schematic illustration of a gas flow through an apparatus configured to heat the smokable material;
[0045] Figure 7 is a graphic illustration of a heating pattern that can be used to heat the smokable material using a heater;
[0046] Figure 8 is a schematic illustration of a smokable material compressor configured to compress smokable material during heating;
[0047] Figure 9 is a schematic illustration of a smokable material expander configured to expand smokable material during the puff;
[0048] Figure 10 is a flow diagram showing a method of compressing smokable material during heating and expansion of smokable material for puff in which steps P1 to P5 are as follows: P1 - compress smokable material; P2 - heat smokable material; P3 - detect the limit temperature of the smokable material; P4 - expand the smokable material; P5 - allow external air to enter the heating chamber by opening hermetically sealable valves;
[0049] Figure 11 is a schematic cross-sectional illustration of a vacuum insulation section configured to isolate heated smokable material from heat loss;
[0050] Figure 12 is another schematic cross-sectional illustration of a vacuum insulation section configured to isolate heated smokable material from heat loss;
[0051] Figure 13 is a schematic cross-sectional illustration of a heat resistive thermal bridge that follows an indirect path from a higher temperature insulation wall to a lower temperature insulation wall;
[0052] Figure 14 is a schematic cross-sectional illustration of a heat shield and a heat-transparent window that are movable relative to a body of the smokable material to selectively allow thermal energy to be transmitted to different sections of the smokable material through the window;
[0053] Figure 15 is a schematic cross-sectional illustration of part of an apparatus configured to heat the smokable material, in which a heating chamber is hermetically sealed by check valves; and
[0054] Figure 16 is a schematic cross-sectional illustration of a partial section of deep vacuum insulation configured to thermally insulate an apparatus configured to heat smokable material. Detailed Description
[0055] As used herein, the term "smokable material" includes any material that provides components volatilized by heating and includes any material containing tobacco and may, for example, include one or more tobacco, tobacco derivatives, expanded tobacco, tobacco reconstituted tobacco substitutes.
[0056] An apparatus 1 for heating smokable material comprises an energy source 2, a heater 3 and a heating chamber 4. The energy source 2 may comprise a battery, such as a lithium ion battery, Ni batteries, alkaline and / or similar batteries, and is electrically coupled to heater 3 to supply electrical power to heater 3 when needed. The heating chamber 4 is configured to receive the smokable material 5 so that the smokable material 5 can be heated in the heating chamber 4. For example, the heating chamber 4 can be located adjacent to the heater 3, so that the energy from the heater 3 heats the smokable material 5 to volatilize aromatic compounds and nicotine in the smokable material 5 without burning the smokable material 5. A nozzle 6 is provided through which a user of the apparatus 1 can inhale the volatilized compounds during use of the apparatus 1. The smokable material 5 may comprise a tobacco blend.
[0057] A housing 7 may contain components of apparatus 1, such as power source 2 and heater 3. As shown in figure 1, housing 7 may comprise an approximately cylindrical tube with energy source 2 located in the direction from its first end 8 and the heater 3 and the heating chamber 4 located towards its second opposite end 9. The power source 2 and the heater 3 extend along the longitudinal axis of the housing 7. For example, as shown in figure 1, the power source 2 and the heater 3 can be aligned along the longitudinal central axis of the housing 7 in a substantially end-to-end arrangement such that an end face of the power source 2 faces an end face of heater 3. The length of housing 7 can be approximately 130mm, the length of the power source can be approximately 59mm, and the length of heater 3 and the region of water. Cement 4 can be about 50 mm. The diameter of the housing 7 can be between about 15 mm and about 18 mm. For example, the diameter of the first end of the housing 8 can be 18 millimeters, while the diameter of the nozzle 6 at the second end of the housing 9 can be 15 millimeters. The diameter of heater 3 can be between approximately 2.0 millimeters and approximately 6.0 millimeters. The diameter of the heater 3 can, for example, be between about 4.0 millimeters and about 4.5 millimeters or between approximately 2.0 millimeters and approximately 3.0 millimeters. Alternatively, heater diameters and thicknesses outside these limits can be used. For example, the diameter of the housing 7 and the size of the apparatus 1 as a whole can be significantly reduced by using the film heater 3 and vacuum insulation 18 described below. The depth of the heating chamber 4 can be about 5 millimeters and the heating chamber 4 can have an outer diameter of about 10 millimeters on its outwardly facing surface. The diameter of the power source 2 can be between approximately 14.0 mm and approximately 15.0 mm, such as 14.6 mm. However, a power source 2 with a smaller diameter could be used as an alternative.
[0058] Thermal insulation can be provided between the power source 2 and the heater 3 to avoid direct heat transfer from one to the other. The nozzle 6 can be located at the second end 9 of the housing 7, adjacent to the heating chamber 4 and the smokable material 5. The housing 7 is suitable to be gripped by a user when using the apparatus 1, so that the user can inhaling the volatilized compounds of smokable material from the nozzle 6 of the apparatus 1.
[0059] The heater 3 can comprise a film heater 3, such as a polyimide film heater 3. An example is a Kapton® polyimide heater 3. Other materials can be used alternatively. The film heater 3 has high tensile strength and high tear resistance. The dielectric strength of heater 3 can be approximately 1000VAC. The film heater 3 has a small thickness, such as less than 1 mm, which can significantly contribute to the reduction of the size of the apparatus 1 compared to the use of other types of heaters. An example of the thickness of the film 3 is approximately 0.2 millimeters, although heaters 3 with smaller and larger thickness dimensions can be used alternatively. For example, the thickness of the film heater 3 can be as low as about 0.0002 millimeters. The output power of heater 3 can be between about 5W / cm2 and about 8W / cm2, although the output power can be lower and can be controlled, if necessary, over time. The film heater 3 can optionally be transparent, thus allowing an easy inspection of its internal structure. This ease of inspection can be beneficial for quality control and maintenance tasks. The film heater 3 can incorporate one or more engraved sheet heating elements to heat the smokable material in the heating chamber 4. The operating temperature of the heater 3 can, for example, be up to about 260 ° C. 1 can comprise a Resistance Temperature Detector (RTD) or a thermocouple for use with heater temperature control 3. The sensors can be mounted to a surface of heater 3, which are configured to send resistance measurements to a controller 12, so that controller 12 can maintain or adjust the temperature of heater 3 as needed. For example, controller 12 can switch heater 3 at a predetermined temperature for a predetermined period of time or it can vary the temperature according to a heating regime. Controller 12 and examples of heating regimes are described in more detail below. The film heater 3 has a low mass and, therefore, its use can help to reduce the total mass of the apparatus 1.
[0060] As shown in figure 1, the heater 3 can comprise a plurality of individual heating regions 10. The heating regions 10 can be operable independently of each other, so that different regions 10 can be activated at different times. different to heat the smokable material 5. The heating regions 10 can be arranged in heater 3 in any geometric arrangement. However, in the example shown in figure 1, the heating regions 10 are geometrically arranged in the heater 3 so that different heating regions 10 are arranged to heat predominantly and independently different regions of the smokable material 5.
[0061] For example, with reference to figures 1 and 2, the heater 3 may comprise a plurality of heating regions 10 axially aligned in a substantially elongated arrangement. The regions 10 can each comprise an individual element of the heater 3. The heating regions 10 can, for example, all be aligned with each other along a longitudinal axis of the heater 3, thus providing a plurality of zones of independent heating elements along the length of the heater 3.
[0062] With reference to figure 1, each of the heating regions 10 can comprise a hollow heating cylinder 10, which can be a ring 10, with a finite length that is significantly less than the length of the heating apparatus 3 as a whole. The arrangement of axially aligned heating regions 10 defines the exterior of the heating chamber 4 and is configured to heat the smokeable material 5 located in the heating chamber 4. Heat is applied inwardly, predominantly in the direction of the central longitudinal axis of the heating chamber. heating 4. The heating regions 10 are arranged with their radial or otherwise transverse surfaces, facing each other along the length of the heater 3. The transverse surfaces of each heating region 10 can be separated from the transverse surfaces of the (s) your neighboring heating region (s) 10 by thermal insulation 18, as shown in figure 1 and described below.
[0063] As shown in figure 2, the heater 3 can alternatively be located in a central region of the housing 7 and the heating chamber 4 and the smokeable material 5 can be located around the longitudinal surface of the heater 3. In this device, the energy The thermal energy emitted by the heater 3 travels outwards from the longitudinal surface of the heater 3 into the heating chamber 4 and the smokable material 5.
[0064] The heating regions 10 can each comprise an individual element of the heater 3. As shown in figures 1 and 2, each of the heating regions 10 can comprise a heating cylinder 10 having a finite length that is significantly less than the length of heater 3 as a whole. However, other heater configurations 3 can, alternatively, be used and therefore it is not necessary to use cylindrical sections of film heater 3. The heating regions 10 can be arranged with their transverse surfaces facing each other along the length of the heater 3. The transverse surfaces of each of the regions 10 can touch the transverse surfaces of their neighboring regions 10. Alternatively, a thermal insulation or heat reflective layer may be present between the transverse surfaces of the regions 10 so that the thermal energy emitted from each of the regions 10 does not substantially heat the neighboring regions 10 and instead travels predominantly into the heating chamber 4 and smokable material 5. Each heating region 10 can have basically the same dimensions other regions 10.
[0065] In this way, when one of the particular heating regions 10 is activated, it supplies thermal energy to the smoking material 5 located adjacent, for example, radially adjacent, the heating region 10 without substantially heating the rest of the smoking material 5 Referring to Figure 2, the heated region of smokable material 5 may comprise a ring of smokable material 5 located around the heating region 10 that has been activated. The smokable material 5 can therefore be heated in independent sections, for example, substantially solid rings or cylinders, where each section corresponds to the smokable material 5 located directly adjacent to one of the particular heating regions 10 and has a mass and volume which are significantly smaller than the body of smokable material 5 as a whole.
[0066] Additionally or alternatively, heater 3 may comprise a plurality of elongated heating regions 10 that extend longitudinally positioned at different locations around the central longitudinal axis of heater 3. The heating regions 10 may be of different lengths, or they can be substantially of the same length, so that each extends substantially along the entire length of the heater 3.
[0067] The heated sections of smoking material 5 may comprise longitudinal sections of smoking material 5 which are parallel and directly adjacent to the longitudinal heating regions 10. Therefore, as explained earlier, the smoking material 5 can be heated in independent sections.
[0068] As will be described later, the heating regions 10 can be activated, each one, individually and selectively.
[0069] The smokable material 5 can be comprised in a cartridge 11 which can be inserted in the heating chamber 4. For example, as shown in figure 1, the cartridge 11 can comprise a substantially solid body of smokable material 5 such as a cylinder fits into a recess of heater 3. In this configuration, the outer surface of the body of smokable material faces the heater 3. Alternatively, as shown in figure 2, cartridge 11 may comprise a tube of smokable material 11 that can be inserted around of the heater 3 so that the inner surface of the smokeable material tube 11 faces the longitudinal surface of the heater 3. The smokeable material tube 11 can be hollow. The diameter of the hollow center of the tube 11 can be substantially the same, or slightly larger than the diameter or otherwise transverse dimension of the heater 3, so that the tube 11 is a close fit around the heater 3. The length of the cartridge 11 it can be approximately equal to the length of the heater 3, so that the heater 3 can heat the cartridge 11 along its entire length.
[0070] The housing 7 of the apparatus 1 may comprise an opening through which the cartridge 11 can be inserted into the heating chamber 4. The opening may, for example, comprise an opening located at the second end of the housing 9, so that the cartridge 11 can be slid into the opening and pushed directly into the heating chamber 4. The opening is preferably closed when using the apparatus 1 to heat the smokable material 5. Alternatively, a section of the housing 7 at the second end 9 can be removed from the appliance 1, so that the smokable material 5 can be inserted into the heating chamber 4. The appliance 1 can optionally be equipped with a user-operated smokable material ejection unit, such as an internal mechanism configured to slide the used smoking material 5 out and / or away from the heater 3. The used smoking material 5 can, for example, be pushed back through the opening in the housing 7. A new cartridge 11 can then be inserted when necessary.
[0071] As mentioned earlier, apparatus 1 may comprise a controller 12, such as a microcontroller 12, which is configured to control the operation of apparatus 1. Controller 12 is electronically connected to the other components of apparatus 1, such as the source 2 and the heater 3, so that it can control its operation by sending and receiving signals. Controller 12 is, in particular, configured to control activation of heater 3 to heat smokable material 5. For example, controller 12 can be configured to activate heater 3, which may selectively comprise activating one or more heating regions 10, in response to a user bringing over the nozzle 6 of the apparatus 1. In this respect, the controller 12 can be in communication with a drag sensor 13 via a suitable communication coupling. The puff sensor 13 is configured to detect when a puff occurs at the nozzle 6 and, in response, it is configured to send a signal to the controller 12 indicative of the puff. An electronic signal can be used. The controller 12 can respond to the signal from the pinch sensor 13 by activating the heater 3 and thereby heating the smokable material 5. The use of a pinch sensor 13 to activate the heater 3 is not, however, essential and other means to provide a stimulus to activate heater 3 can be used alternatively. For example, controller 12 can activate heater 3 in response to another type of activation stimulus, such as the actuation of a user-operable actuator. The volatilized compounds released during heating can be inhaled by the user through the nozzle 6. The controller 12 can be located in any suitable position inside the housing 7. An exemplary position is that between the power source 2 and the heater 3 / chamber heating element 4, as shown in figure 4.
[0072] If heater 3 comprises two or more heating regions 10, as described above, controller 12 can be configured to activate heating regions 10 in a predetermined or standard order. For example, controller 12 can be configured to activate heating regions 10 sequentially along or around the heating chamber 4. Each activation of a heating region 10 can be in response to the detection of a puff by the puff sensor 13 or it can be triggered in an alternative way, as described below.
[0073] With reference to figure 5, an example of a heating method may comprise a first stage S1 in which an activation stimulus such as a first puff is detected, followed by a second stage S2 in which a first section of smokable material 5 it is heated in response to the first drag or another activation stimulus. In a third step S3, hermetically sealable inlet and outlet valves 24 can be opened to allow air to be drawn through the heating chamber 4 and out of the device 1 through the nozzle 6. In a fourth step, the valves 24 are closed. These valves 24 are described in more detail below with reference to figure 20 In the fifth S5, sixth S6, seventh S7 and eighth S8 steps, a second section of smokable material 5 can be heated in response to a second activation stimulus, such as a second puff, with a corresponding opening and closing of the heating chamber inlet and outlet valves 24. In the ninth S9, tenth S10, eleventh S11 and twelfth S12 steps, a third section of the smokable material 5 can be heated in response to a third activation stimulus such as a third drag with a corresponding opening and closing of the heating chamber inlet and outlet valves 24, and so on. As noted above, means other than a drag sensor 13 can be used instead. For example, a user of device 1 can trigger a control switch to indicate that he / she is taking another drag. In this way, a new section of smokable material 5 can be heated to volatilize nicotine and aromatic compounds for each new puff. The number of heating regions 10 and / or heatable sections independently of smoking material 5 may correspond to the number of inhalations for which the cartridge 11 is intended to be used. Alternatively, each section of independently heatable smokable material 5 can be heated by its corresponding heating region (s) 10 for a plurality of puffs, such as two, three or four puffs, so that a new section of smokable material 5 is heated only after a plurality of puffs have been made, while heating the previous section of smokable material.
[0074] Instead of activating each heating region 10 in response to an individual drag, heating regions 10 can alternatively be activated sequentially, one after the other, in response to a single initial drag on the nozzle 6. For example , the heating regions 10 can be activated at predetermined regular intervals, over the expected inhalation period for a particular cartridge of smokable material 11. The inhalation period can, for example, be between about one and about four minutes. Therefore, at least the fifth and ninth steps S5, S9 shown in figure 5 are optional. Each heating region 10 can be activated for a predetermined period corresponding to the duration of the plurality of puffs or single puff for which the corresponding section of independently heatable smokable material 5 is intended to be heated. Once all heating regions 10 have been activated by a particular cartridge 11, controller 12 can be configured to indicate to the user that cartridge 11 must be changed. Controller 12 can, for example, activate an indicator light on the outer surface of housing 7.
[0075] It should be noted that the activation of individual heating regions 10 in order instead of activating the entire heater 3 means that the energy required to heat the smokable material 5 is reduced to less than would be necessary if heater 3 had been activated entirely over the entire inhalation period of a cartridge 11. Consequently, the maximum required output power of power source 2 is also reduced. This means that a smaller and lighter power source 2 can be installed in the device 1.
[0076] Controller 12 can be configured in order to deactivate heater 3, or to reduce the power supplied to heater 3, between puffs. This saves energy and prolongs the life of the power source 2. For example, as a result of the device 1 being turned on by a user or in response to some other stimulus, such as the detection of a user placing his mouth against the nozzle 6 , controller 12 can be configured to cause heater 3, or the next heating region 10, to be used to heat the smokable material 5 to be partially activated so that it heats up in preparation to volatilize the smokable material components 5. Partial activation does not heat the smokable material 5 to a temperature sufficient to volatilize nicotine. An appropriate temperature can be approximately 100 ° C. In response to the detection of a puff by the puff sensor 13, the controller 12 can cause the heater 3 or the heating region 10 in question to heat the smokable material 5 even more, in order to quickly volatilize nicotine and other aromatic compounds for user inhalation. If the smokable material 5 comprises tobacco, an adequate temperature to volatilize nicotine and other aromatic compounds can be between 150 ° C and 250 ° C. Therefore, an example of complete activation temperature is 250 ° C. A super capacitor it can optionally be used to supply the peak current used to heat the smokable material 5 to the volatilization temperature. An example of a suitable heating pattern is shown in figure 7, in which the peaks can respectively represent the complete activation of the different heating regions 10. As can be seen, the smokable material 5 is kept at the volatilization temperature for the approximate period of swallow which, in this example, is two seconds.
[0077] Three examples of heater 3 operating modes are described below.
[0078] In a first operation mode, during the complete activation of a specific heating region 10, all other heating regions 10 of the heater are deactivated. Therefore, when a new heating region 10 is activated, the previous heating region is deactivated. The power is only provided for the activated region 10.
[0079] Alternatively, in a second mode of operation, during the complete activation of a specific heating region 10, one or more of the other heating regions 10 can be partially activated. The partial activation of one or more of the other heating regions 10 may comprise heating the other heating region (s) 10 to a temperature that is sufficient to substantially prevent condensation of components, such as nicotine, volatilized at from the smokable material 5 in the heating chamber 4. The temperature of the heating regions 10 that are partially activated is lower than the heating temperature of the region 10 that is completely activated. The smokable material 10 located adjacent to the partially activated regions 10 is not heated to a temperature sufficient to volatilize the components of the smokable material 5.
[0080] Alternatively, in a third mode of operation, once a particular heating region 10 has been activated, it remains fully activated until heater 3 is switched off. Therefore, the power delivered to the heater 3 gradually increases as more of the heating regions 10 are activated during inhalation from the cartridge 11. As with the second method described above, the continuous activation of heating regions 10 substantially prevents the condensation of components, such as nicotine, volatilized from the smokable material 5 in the heating chamber 4.
[0081] The apparatus 1 may comprise a thermal shield 3a, which is located between the heater 3 and the heating chamber 4 / smokable material 5. The thermal shield 3a is configured to substantially prevent thermal energy from flowing through the thermal shield 3a and therefore can be used to selectively prevent the smokable material 5 from being heated, even when the heater 3 is activated and emitting thermal energy. With reference to figure 14, the heat shield 3a can, for example, comprise a cylindrical layer of heat reflective material that is located co-axially around the heater 3. Alternatively, if the heater 3 is located around the heating chamber 4 and the smokeable material 5 as previously described with reference to figure 1, the heat shield 3a may comprise a cylindrical layer of heat reflective material which is located co-axially around the heating chamber 4 and co-axially within the heater 3. The heat shield 3a may additionally, or alternatively, comprise a heat insulation layer configured to isolate the heater 3 from the smokable material 5.
[0082] The thermal shield 3a comprises a window substantially transparent to heat 3b that allows thermal energy to propagate through window 3b and into the heating chamber 4 and smokeable material 5. Therefore, the smokable material section 5 that is aligned with window 3b is heated while the rest of the smokable material 5 is not. The heat shield 3a and the window 3b can be rotatable or otherwise movable with respect to the smokable material 5 so that different sections of the smokable material 5 can be selectively and individually heated by rotation or movement of the heat shield 3a and window 3b. The effect is similar to the effect provided by selectively and individually activating the heating regions 10 mentioned above. For example, heat shield 3a and window 3b can be rotated or otherwise moved incrementally in response to a signal from the puff detector 13. Additionally, or alternatively, heat shield 3a and window 3b can be rotated or otherwise moved incrementally in response to a predetermined warm-up period having elapsed. The movement or rotation of heat shield 3a and window 3b can be controlled by electronic signals from controller 12. The relative rotation or other movement of heat shield 3a / window 3b and smokable material 5 can be driven by a stepper motor 3c under the controller control 12. This is illustrated in figure 14. Alternatively, heat shield 3a and window 3b can be rotated manually using a user control, such as an actuator in housing 7. Heat shield 3a does not need to be cylindrical and can optionally include one or more properly positioned longitudinally extending elements and / or plates.
[0083] It should be noted that a similar result can be obtained by rotating or moving the smokable material 5 in relation to heater 3, heat shield 3a and window 3b. For example, the heating chamber 4 can be rotated around the heater 3. If this is the case, the above description regarding the movement of the heat shield 3a can be applied instead of the movement of the heating chamber 4 in relation to the heat shield 3a.
[0084] The heat shield 3a may comprise a coating on the longitudinal surface of the heater 3. In this case, an area of the heater surface is left uncoated to form the heat-transparent window 3b. The heater 3 can be rotated or moved in another way, for example, under the control of the controller 12 or user controls, to cause different sections of the smokable material 5 to be heated. Alternatively, heat shield 3a and window 3b may comprise a separate shield 3a that can be rotated or otherwise movable with respect to both heater 3 and smokable material 5 under the control of controller 12 or other user controls.
[0085] The apparatus 1 can comprise the air intakes 14 that allow the external air to be drawn into the housing 7 and through the heated smoking material 5 during the puffs. The air inlets 14 can comprise openings 14 in the housing 7 and can be located upstream of the smokeable material 5 and heating chamber 4 towards the first end 8 of the housing 7. This is shown in figure 1. Another example is shown in the figure 6. The air drawn in through the inlets 14 travels through the heated smokeable material 5 and is enriched with smoky material vapors, such as aroma vapors, before being inhaled by the user at the mouthpiece 6. Optionally, as shown in figure 6, the The apparatus 1 may comprise a heat exchanger 15 configured to heat the air before entering the smokable material 5 and / or to cool the air before it is drawn through the nozzle 6. For example, the heat exchanger 15 can be configured to use the heat extracted from the air entering the nozzle 6 to heat the new air before entering the smokable material 5.
[0086] The apparatus 1 may comprise a smokable material compressor 16 configured to cause the smokable material 5 to compress upon activation of the compressor 16. The apparatus 1 may also comprise a smokable material expander 17 configured to make the material smoke 5 expands when activated when activating expander 17. Compressor 16 and expander 17 can, in practice, be implemented as the same unit, as will be explained below. The smokable material compressor 16 and expander 17 can optionally operate under the control of controller 12. In this case, controller 12 is configured to send a signal, such as an electrical signal, to compressor 16 or expander 17 which causes the compressor 16 or expander 17, respectively, compress or expand the smokable material 5. Alternatively, the compressor 16 and expander 17 can be driven by a user of the apparatus 1 using a manual control over the housing 7 to compress or expand the smokable material 5.
[0087] The compressor 16 is mainly configured to compress the smokable material 5 and, thus, increase its density during heating. The compression of the smokable material increases the thermal conductivity of the smokable material body 5 and, therefore, provides a faster heating and consequent rapid volatilization of nicotine and other aromatic compounds. This is preferable because it allows nicotine and aromatics to be inhaled by the user without considerable delay in response to the detection of a drag. Accordingly, the controller 12 can activate the compressor 16 to compress the smokable material 5 during a predetermined period of heating, for example, one second, in response to the detection of a puff. The compressor 16 can be configured to reduce the compression of the smokable material 5, for example, under the control of the controller 12, after the predetermined heating period. Alternatively, the compression can be reduced or automatically terminated in response to the smokable material 5 reaching a predetermined limit temperature. A suitable limit temperature can be in the range of approximately 150 ° C to 250 ° C, and can be user selectable. A temperature sensor can be used to detect the temperature of the smokable material 5.
[0088] The expander 17 is mainly configured to expand the smokable material 5 and, thus, decrease its density during the puff. The arrangement of the smokable material 5 in the heating chamber 4 becomes looser when the smokable material 5 has been expanded and this assists the gas flow, for example, air from the inlets 14, through the smokable material 5. The air is, therefore, better able to transport nicotine and volatilized aromatics to mouthpiece 6 for inhalation. The controller 12 can activate the expander 17 to expand the smokable material 5 immediately after the aforementioned compression period so that air can be drawn more freely through the smokable material 5. The activation of the expander 17 can be accompanied by a sound audible by the user or other indication to indicate to the user that the smoking material 5 has been heated and that the puff can begin.
[0089] With reference to figures 8 and 9, the compressor 16 and the expander 17 may include a spring-driven driving rod, which is configured to compress the smokable material 5 in the heating chamber 4 when the spring is released from compression . This is shown schematically in figures 8 and 9, although it can be noted that other implementations can be used. For example, the compressor 16 may comprise a ring, having a thickness approximately equal to that of the tubular heating chamber 4 described above, which is driven by a spring or other means for the heating chamber 4 to compress the smokable material 5. Alternatively, the compressor 16 can be constituted as part of the heater 3, so that the heater 3 itself is configured to compress and expand the smokable material 5 under the control of the controller 12. A method of compression and expansion of the smokable material 5 is shown in figure 10.
[0090] The heater 3 can be integrated with the thermal insulation 18 mentioned above. For example, with reference to figure 1, the thermal insulation 18 may comprise a substantially elongated hollow body, such as a substantially cylindrical insulation tube 18, which is located coaxially around the heating chamber 4 and in which the heating regions 10 are integrated. The thermal insulation 18 may comprise a layer in which recesses in the profile of inward facing surfaces 21 are provided. The heating regions 10 are located in these recesses so that the heating regions 10 face the smokable material 5 in the heating chamber 4. The surfaces of the heating regions 10 facing the heating chamber 4 may be flush with the inner surface 21 of the thermal insulation 18 in the insulation regions 18 which are not recessed.
[0091] The integration of heater 3 with thermal insulation 18 means that heating regions 10 are substantially surrounded by insulation 18 on all sides of heating regions 10, except those facing inwards towards the smokable heating chamber 4. As such, the heat emitted by the heater 3 is concentrated in the smokable material 5 and does not dissipate elsewhere in the device 1 or into the atmosphere outside the housing 7.
[0092] The integration of heater 3 with thermal insulation 18 can also reduce the thickness of the combination of heater 3 and thermal insulation 18. This may allow the diameter of appliance 1, in particular the outer diameter of housing 7, to be further reduced. more reduced. Alternatively, the reduction in thickness provided by the integration of the heater 3 with the thermal insulation 18 may allow a larger smokable material heating chamber 4 to be accommodated in the apparatus 1, or the introduction of other components, without any increase in the total width of the accommodation 7.
[0093] Alternatively, heater 3 may be adjacent to insulation 18 instead of being integrated with it. For example, if heater 3 is located outside the heating chamber 4, the insulation 18 can be aligned with the film heater 3 around its inward facing surface 21. If the heater 3 is located inside the heating chamber 4, the insulation 18 can be aligned with the film heater 3 on its outwardly facing surface 22.
[0094] Optionally, a barrier may be present between heater 3 and insulation 18. For example, a layer of stainless steel may be present between heater 3 and insulation 18. The barrier may comprise a stainless steel tube that is fits between heater 3 and insulation 18. The thickness of the barrier may be small so as not to substantially increase the dimensions of the apparatus. An example of thickness is between approximately 0.1 mm and 1.0 mm.
[0095] In addition, a heat reflective layer may be present between the transverse surfaces of the heating regions 10. The arrangement of the heating regions 10 in relation to each other may be such that the thermal energy emitted from each of the heating regions. heating regions 10 does not substantially heat neighboring heating regions 10 and instead travels predominantly inward from the circumferential surface of heating region 10 to heating chamber 4 and smokable material 5. Each heating region 10 can have substantially the same dimensions as the other regions 10.
[0096] The heater 3 can be glued or otherwise fixed on the appliance 1 using a pressure sensitive adhesive. For example, heater 3 can be adhered to the insulation 18 or barrier mentioned above using a pressure sensitive adhesive. The heater 3 may alternatively be adhered to the cartridge 11 or an outer surface of the smokable material heating chamber 4.
[0097] As an alternative to the use of pressure sensitive adhesive, heater 3 can be fixed in position on device 1 using self-fusing tape or staples, which clamp heater 3 in place. All of these methods provide secure fixation for heater 3 and allow effective heat transfer from heater 3 to smokable material 5. Other types of fixation are also possible.
[0098] Thermal insulation 18, which is provided between the smokable material 5 and an external surface 19 of the housing 7 as described above, reduces the heat loss from the appliance 1 and, therefore, improves the efficiency with which the smokable material 5 is heated. For example, with reference to figure 1, a wall of the housing 7 may comprise an insulation layer 18 that extends around the outside of the heating chamber 4. The insulation layer 18 may comprise a substantially tubular length of insulation 18 located coaxially around the heating chamber 4 and smokable material 5. This is shown in figure 1. It should be noted that insulation 18 can also be constituted as part of the smokeable material cartridge 11, in which it would be located co-axially around the outside of the smoking material 5.
[0099] With reference to figure 11, insulation 18 may comprise vacuum insulation 18. For example, insulation 18 may comprise a layer that is bounded by a wall material 19, such as a metallic material. An inner region or core 20 of insulation 18 may comprise a porous open cell material, for example, comprising polymers, airgel or other suitable material, which is evacuated to a low pressure. The pressure in the internal region 20 can be in the range of 0.1-0.001 mbar. The wall 19 of the insulation 18 is strong enough to withstand the force exerted against it due to the pressure differential between the core 20 and the external surfaces of the wall 19, thus preventing the insulation 18 from collapsing. The wall 19 may, for example, comprise a stainless steel wall 19 having a thickness of approximately 100 µm. The thermal conductivity of insulation 18 can be in the range of 0.004-0.005 W / mK. The heat transfer coefficient of insulation 18 can be between about 1.10 W / (m2K) and about 1.40 W / (m2K) within a temperature range between about 150 degrees Celsius and approximately 250 degrees Celsius. The gaseous conductivity of the insulation 18 is negligible. A reflective coating can be applied to the internal surfaces of the wall material 19 to minimize heat losses due to the propagation of radiation through the insulation 18. The coating can, for example, comprise an aluminum reflective coating with a thickness of between about 0.3 μm and 1.0 μm. The evacuated state of the inner core region 20 means that the insulation 18 works even when the thickness of the core region 20 is very small. The insulating properties are substantially unaffected by its thickness. This helps to reduce the overall size of the device 1.
[0100] As shown in figure 11, the wall 19 may comprise an inward facing section 21 and an outward facing section 22. The inward facing section 21 substantially faces the smokable material 5 and the heating chamber 4. The facing section outward 22 faces substantially the exterior of housing 7. During operation of the apparatus 1, the inward-facing section 21 may be warmer due to the thermal energy from heater 3, while the outward-facing section 22 is cooler due to the insulation effect 18. The inward facing section 21 and the outward facing section 22 may, for example, comprise substantially parallel longitudinally extending walls 19 that are at least as long as the heater 3. The inner surface of the wall section outward facing 22, i.e., the surface facing the evacuated core region 20, may comprise a coating for absorbing gas in the core 20. A suitable coating is an oxide film that of titanium.
[0101] Thermal insulation 18 may comprise hyper-deep vacuum insulation, such as a Vacuum Thermal Barrier in the Form of Insulon®, as described in US 7,374,063. The overall thickness of such insulation 18 can be extremely small. An example of thickness is between approximately 1 mm and about 1 μm, such as about 0.1 mm, although other thicknesses greater or lesser are also possible. The thermal insulation properties of insulation 18 are substantially unaffected by its thickness, and therefore fine insulation 18 can be used without any substantial additional heat loss from apparatus 1. The very small thickness of thermal insulation 18 may allow the the size of the housing 7 and apparatus 1 as a whole is reduced beyond the sizes discussed above and may allow the thickness, for example, the diameter, of the device 1 to be approximately equal to smoking articles, such as cigarettes, cigars and cigarillos. The weight of device 1 can also be reduced, providing benefits similar to the aforementioned size reductions.
[0102] Although the thermal insulation 18 described above may comprise a gas-absorbing material to maintain or assist with creating a vacuum in the core region 20, a gas-absorbing material is not used in deep vacuum insulation 18. A absence of gas-absorbing material helps to keep the insulation thickness 18 very low and therefore helps to reduce the overall size of the device 1.
[0103] The geometry of the hyper-deep insulation 18 allows the vacuum in the insulation to be deeper than the vacuum used to extract molecules from the core region 20 of the insulation 18 during manufacture. For example, the vacuum deep inside the insulation 18 may be deeper than that of the vacuum oven chamber in which it is created. The vacuum inside the insulation 18 can, for example, be in the order of 10-7 Torr. With reference to figure 16, one end of the core region 20 of the deep vacuum insulation 18 can taper as the outward-facing section 22 and the inward-facing section 21 converge to an outlet 25 through which the gas in the core 20 can be evacuated to create a deep vacuum during the manufacture of insulation 18. Figure 16 illustrates the outward facing section 22 converging in the direction of the inward facing section 21, but a reverse arrangement, in which the inward facing section 21 converges to the outward section 22, could be used as an alternative. The converging end of the insulation wall 19 is configured to guide the gas molecules in the core region 20 out of the outlet 25 and thus create a deep vacuum in the core 20. The outlet 25 is sealable in order to maintain the deep vacuum in core region 20 after region 20 has been evacuated. Outlet 25 can be sealed, for example, by creating a welded seal at outlet 25 by heating brazing material at outlet 25 after the gas has been evacuated from core 20. Alternative sealing techniques could be used.
[0104] In order to evacuate the core region 20, the insulation 18 can be placed in a low pressure, substantially evacuated environment such as a vacuum oven chamber so that gas molecules in the core region 20 flow into the low pressure environment outside the insulation 18. When the pressure inside the core region 20 becomes low, the conical geometry of the core region 20, and in particular the convergent sections 21, 22 mentioned above, become influential in the orientation of the remaining gas molecules out of the core 20 through outlet 25. Specifically, when the gas pressure in the core region 20 is low, the guiding effect of the inward and outward converging sections 21, 22 is effective to channel the remaining gas molecules inside the core 20 towards the outlet 25 and to make the probability of gas leaving the core 20 greater than the probability of gas entering the core 20 from the low pressure external environment. In this way, the geometry of the core 20 allows the pressure inside the core 20 to be reduced to below the ambient pressure outside the insulation 18.
[0105] Optionally, as previously described, one or more low-emissivity coatings may be present on the internal surfaces of the inward and outward facing sections 21, 22 of the wall 19 in order to substantially prevent radiation heat losses.
[0106] Although the shape of the insulation 18 is generally described herein as substantially cylindrical or similar, the thermal insulation 18 could be in another form, for example, in order to accommodate and isolate a different configuration of the apparatus 1, such as different shapes and sizes of heating chamber 4, heater 3, housing 7 or power source 2. For example, the size and shape of the deep vacuum insulation 18, such as the Insulon® Vacuum Thermal Barrier mentioned above, is substantially unlimited by its manufacturing process. Suitable materials to form the convergent structure described above include ceramics, metals, metalloids and combinations thereof.
[0107] With reference to the schematic illustration of figure 12, a thermal bridge 23 can connect the inward facing wall section 21 to the outward facing wall section 22 on one or more edges of the insulation 18 in order to completely cover and contain the low pressure core 20. The thermal bridge 23 may comprise a wall 19 formed of the same material as the inward and outward facing sections 21, 22. A suitable material is stainless steel, as discussed above. The thermal bridge 23 has a higher thermal conductivity than the insulating core 20 and, therefore, can undesirably conduct heat away from the apparatus 1 and, in doing so, reduces the efficiency with which the smokable material 5 is heated.
[0108] To reduce heat losses as a function of thermal bridge 23, thermal bridge 23 can be extended to increase its resistance to heat flow from the inward facing section 21 to the outward facing section 22. This is schematically illustrated in figure 13. For example, thermal bridge 23 can follow an indirect path between the inward facing section 21 of wall 19 and the outward facing section 22 of wall 19. This can be facilitated by providing insulation 18 over a longitudinal distance that is longer than the lengths of the heater 3, heating chamber 4 and smokeable material 5, so that the thermal bridge 23 can gradually extend from the inward facing section 21 to the outward facing section 22 along the indirect path, thus reducing the thickness of the core 20 to zero, in a longitudinal location in the housing 7 where the heater 3, the heating chamber 4 and the smokable material 5 are not present.
[0109] With reference to figure 15, as discussed above, the heating chamber 4 isolated by the insulation 18 may comprise inlet and outlet valves 24 that hermetically seal the heating chamber 4 when closed. Valves 24 can thus prevent air from entering and leaving undesirably from chamber 4 and can prevent smells of smoky material from leaving chamber 4. Inlet and outlet valves 24 can, for example, be provided in insulation 18. For for example, between puffs, the valves 24 can be closed by the controller 12 so that all volatile substances remain contained within the chamber 4 in the time between puffs. The partial pressure of volatilized substances between puffs reaches the saturated vapor pressure and the amount of evaporated substances, therefore, depends only on the temperature in the heating chamber 4. This helps to ensure that the supply of volatilized nicotine and aromatic compounds remains constant drag on drag. During the puff, the controller 12 is configured to open the valves 24 so that air can flow through the chamber 4 to transport the volatilized smokeable material components to the nozzle 6. A membrane can be located on the valves 24 to ensure that none oxygen enters chamber 4. Valves 24 can be triggered by breathing so that valves 24 open in response to the detection of a puff at the mouthpiece 6. Valves 24 can close in response to a detection that a puff has ended. Alternatively, valves 24 can then close after a predetermined period after opening. The predetermined period can be programmed by the controller 12. Optionally, a mechanical opening / closing means or other appropriate means can be present so that the valves 24 open and close automatically. For example, the gaseous movement caused by a user swallowing at the nozzle 6 can be used to open and close the valves 24. Therefore, the use of the controller 12 is not necessarily necessary to actuate the valves 24.
[0110] The mass of smokable material 5 that is heated by the heater 3, for example, for each heating region 10, can be in the range of 0.2 to 1.0 g. The temperature at which the smokable material 5 is heated can be controllable by the user, for example, for any temperature within the temperature range of 150 ° C to 250 ° C as previously described. The mass of the device 1 as a whole can be in the range of 70 to 125 g, although the mass of the device 1 may be less when incorporating the film heater 3 and / or deep vacuum insulation 18. A battery 2 with a capacity 1000 to 3000mAh and a voltage of 3.7 V can be used. The heating regions 10 can be configured to individually and selectively heat between approximately 10 and 40 sections of smokable material 5 for a single cartridge 11.
[0111] It should be noted that any of the alternatives described above can be used alone or in combination.
[0112] In order to address various issues and promote art, the entirety of this disclosure shows by way of illustration several embodiments in which the claimed invention (s) can be practiced and provide superior devices. The advantages and characteristics of the disclosure are of a representative sample of embodiments only, and are not exhaustive and / or exclusive. They are presented only to assist in understanding and teaching the claimed principles. It should be understood that the advantages, embodiments, examples, functions, characteristics, structures and / or other aspects of the disclosure should not be considered limitations of the disclosure as defined by the claims or limitations in equivalents to the claims, and that other embodiments can be used and modifications may be made without departing from the scope and / or spirit of this disclosure. Various embodiments can suitably comprise, consist of, or consist essentially of, different combinations of the described elements, components, characteristics, parts, steps, means, etc. In addition, the disclosure includes other inventions not currently claimed, but which may be claimed in the future.

权利要求:
Claims (13)
[0001]
1. Apparatus (1) comprising a film heater (3) configured to heat a smokable material (5) to volatilize at least one component of the smokable material for inhalation in which the apparatus comprises thermal insulation (18), and in which the insulation The thermal element comprises a core region (20) which is evacuated to a lower pressure than an exterior of the insulation, characterized in that the insulation wall sections (18) on either side of the core region (20) converge to an outlet of sealed gas (25).
[0002]
Apparatus (1) according to claim 1, characterized in that the film heater (3) is a polyimide film heater.
[0003]
Apparatus (1) according to claim 1 or 2, characterized in that the heater (3) has a thickness of less than 1 mm.
[0004]
Apparatus (1) according to any one of claims 1 to 3, characterized in that the heater (3) has a thickness of less than 0.5 mm.
[0005]
Apparatus (1) according to any one of claims 1 to 4, characterized in that the heater (3) has a thickness of between 0.2 mm and 0.0002 mm.
[0006]
Apparatus (1) according to any one of claims 1 to 5, characterized in that the apparatus comprises thermal insulation (18) integrated with the heater (3).
[0007]
Apparatus (1) according to any one of claims 1 to 5, characterized in that the apparatus comprises thermal insulation (18) aligned with the heater (3).
[0008]
Apparatus (1) according to any one of claims 1 to 5, characterized in that the apparatus comprises thermal insulation (18) separated from the heater (3) by a barrier.
[0009]
Apparatus (1) according to claim 8, characterized in that the barrier comprises a layer of stainless steel.
[0010]
Apparatus (1) according to claim 1, characterized in that the thickness of the insulation (18) is less than 1 mm.
[0011]
Apparatus (1) according to claim 1, characterized in that the thickness of the insulation (18) is less than 0.1 mm.
[0012]
Apparatus (1) according to any one of claims 1 to 11, characterized in that the apparatus comprises a mouthpiece (6) for inhaling volatilized components of the smokable material (5).
[0013]
Apparatus (1) according to any one of claims 1 to 12, characterized in that the apparatus is configured to heat the smokable material (5) without combustion of the smokable material.

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同族专利:

公开号 | 公开日

GB201207039D0|2012-06-06|

KR20210095241A|2021-07-30|

JP2018108082A|2018-07-12|

AU2020202198A1|2020-04-16|

EP2840914B1|2020-02-19|

JP2017079762A|2017-05-18|

AU2016204192A1|2016-07-14|

KR20190121888A|2019-10-28|

AU2020202198B2|2022-01-06|

KR20200099627A|2020-08-24|

EP3685691A1|2020-07-29|

KR102147968B1|2020-08-25|

HUE049188T2|2020-09-28|

RU2685060C2|2019-04-16|

US20150040925A1|2015-02-12|

CA2865967A1|2013-10-31|

KR20150016265A|2015-02-11|

BR112014026390A2|2017-06-27|

RU2641882C2|2018-01-22|

HK1207264A1|2016-01-29|

CL2014002840A1|2014-12-26|

US10881138B2|2021-01-05|

WO2013160112A2|2013-10-31|

JP2015513922A|2015-05-18|

UA122416C2|2020-11-10|

KR20180083445A|2018-07-20|

CN104244751B|2018-10-09|

PH12014502022A1|2014-11-24|

US20210120876A1|2021-04-29|

CN109123801A|2019-01-04|

JP2020171294A|2020-10-22|

AU2013251940A1|2014-09-18|

RU2018101312A|2019-02-21|

JP6062033B2|2017-01-18|

PL2840914T3|2020-07-13|

PH12014502022B1|2014-11-24|

UA116883C2|2018-05-25|

KR102284066B1|2021-07-29|

MY167281A|2018-08-15|

RU2018101312A3|2019-02-21|

RU2014146797A|2016-06-10|

EP2840914A2|2015-03-04|

KR20170036139A|2017-03-31|

CA3122958A1|2013-10-31|

AU2013251940B2|2016-03-31|

AU2018201483B2|2020-01-02|

CN104244751A|2014-12-24|

SG11201406815UA|2014-11-27|

MX2014011283A|2014-10-13|

ES2788753T3|2020-10-22|

KR102185218B1|2020-12-01|

JP6763508B2|2020-09-30|

AU2018201483A1|2018-03-22|

WO2013160112A3|2014-04-03|

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法律状态:
2018-12-04| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|

2019-12-03| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|

2020-08-25| B06A| Patent application procedure suspended [chapter 6.1 patent gazette]|

2020-12-15| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|

2021-03-02| B25A| Requested transfer of rights approved|Owner name: NICOVENTURES TRADING LIMITED (GB) |

2021-03-09| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 11/04/2013, OBSERVADAS AS CONDICOES LEGAIS. |

优先权:

申请号 | 申请日 | 专利标题

GBGB1207039.7A|GB201207039D0|2012-04-23|2012-04-23|Heating smokeable material|

GB1207039.7|2012-04-23|

PCT/EP2013/057539|WO2013160112A2|2012-04-23|2013-04-11|Heating smokeable material|

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