Case 1:20-cv-00393-LMB-WEF Document 1462-26 Filed 04/05/23 Page 1 of 11 PageID#
`39853
`
`Exhibit 27
`
`

`

`THIRUTTU TULLULITE
`
`US009814265B2
`
`( 12 ) United States Patent
`Rinker et al .
`
`( 10 ) Patent No . :
`( 45 ) Date of Patent :
`
`US 9 , 814 , 265 B2
`Nov . 14 , 2017
`
`( 71 )
`
`( * ) Notice :
`
`( 54 ) PERMEABLE ELECTRIC THERMAL
`RESISTOR FOIL FOR VAPORIZING FLUIDS
`FROM SINGLE - USE MOUTHPIECES WITH
`VAPORIZER MEMBRANES
`Applicant : PHILIP MORRIS PRODUCTS S . A . ,
`Neuchatel ( CH )
`( 72 ) Inventors : Arno Rinker , Hamburg ( DE ) ; Philipp
`Litzenberger , Hamburg ( DE )
`( 73 ) Assignee : PHILIP MORRIS PRODUCTS S . A . ,
`Neuchatel ( CH )
`Subject to any disclaimer , the term of this
`patent is extended or adjusted under 35
`U . S . C . 154 ( b ) by 854 days .
`14 / 344 , 026
`Sep . 27 , 2012
`PCT / EP2012 / 069135
`
`( 21 ) Appl . No . :
`( 22 ) PCT Filed :
`( 86 ) PCT No . :
`$ 371 ( c ) ( 1 ) ,
`Mar . 10 , 2014
`( 2 ) Date :
`( 87 ) PCT Pub . No . : W02013 / 045582
`PCT Pub . Date : Apr . 4 , 2013
`Prior Publication Data
`US 2014 / 0305454 A1 Oct . 16 , 2014
`Foreign Application Priority Data
`( 30 )
`Sep . 28 , 2011
`( EP )
`11183197
`( 51 ) Int . Ci .
`A24F 47 / 00
`H05B 3 / 26
`U . S . Cl .
`CPC .
`
`( 65 )
`
`( 52 )
`
`( 2006 . 01 )
`( 2006 . 01 )
`
`A24F 47 / 008 ( 2013 . 01 ) ; H05B 3 / 26
`( 2013 . 01 ) ; H05B 2203 / 013 ( 2013 . 01 )
`
`( 58 )
`
`Field of Classification Search
`CPC . . . . . . . . . A24F 47 / 00 ; A24F 47 / 008 ; H05B 3 / 26 ;
`HO5B 2203 / 013
`
`( 56 )
`
`CA
`
`( Continued )
`References Cited
`U . S . PATENT DOCUMENTS
`5 , 388 , 594 A
`2 / 1995 Counts et al .
`7 / 1997 Sprinkel et al .
`5 , 649 , 554 A
`( Continued )
`FOREIGN PATENT DOCUMENTS
`2 502 171 C
`1 / 2013
`2244307 Y
`1 / 1997
`( Continued )
`OTHER PUBLICATIONS
`Examination Report issued Jun . 27 , 2016 in the Gulf Cooperation
`Council Patent Application No . GC 2012 - 22390 .
`( Continued )
`Primary Examiner — Alison L Hindenlang
`Assistant Examiner – Mohamed K Ahmed Ali
`( 74 ) Attorney , Agent , or Firm — Oblon , McClelland ,
`Maier & Neustadt , L . L . P .
`( 57 )
`ABSTRACT
`A vaporizer device for vaporizing substances is provided ,
`containing active and / or aroma materials , including a
`mouthpiece with a fluid inlet and a fluid outlet , and includ
`ing : a heating device with a thermal resistor being a metallic
`foil or a thin sheet configured as a dual coil and / or sinuous
`line with two ends and dimensions of the cross - section of a
`cigarette or a small cigar , wherein the interspaces of the dual
`coil and / or sinuous line allow fluid flow therethrough , con
`tact tabs are connected to respective opposed ends of the
`dual coil and / or sinuous line and are not in direct contact
`with one another , and at least one permeable and wettable
`vaporizer membrane in large - area contact with the thermal
`resistor , wherein the thermal resistor and the at least one
`( Continued )
`
`Case 1:20-cv-00393-LMB-WEF Document 1462-26 Filed 04/05/23 Page 2 of 11 PageID#
`39854
`
`C - COED
`
`( 1 )
`
`

`

`US 9 , 814 , 265 B2
`Page 2
`
`vaporizer membrane are arranged orthogonally or at an
`angle to the direction of the fluids passing through the
`mouthpiece .
`
`17 Claims , 2 Drawing Sheets
`
`EP
`EP
`EP
`JP
`JP
`JP
`RU
`wo
`wo
`WO
`
`| 013046 B1
`2 260 733
`2 359 705 A1
`7 - 184627 A
`2012 - 533313 A
`2013 - 516159 A
`2 360 583 Ci
`WO 2007 / 042941 A2
`WO 2009 / 134164 Al
`2012 006722
`
`2 / 2010
`12 / 2010
`8 / 2011
`7 / 1995
`12 / 2012
`5 / 2013
`7 / 2009
`4 / 2007
`11 / 2009
`1 / 2012
`
`OTHER PUBLICATIONS
`International Search Report Issued Mar . 28 , 2013 in PCT / EP12 /
`069135 Filed Sep . 27 , 2012 .
`Office Action issued Sep . 21 , 2015 in Kazak Patent Application No .
`2014 / 1579 . 1 ( with English language translation ) .
`Korean Office Action issued Apr . 14 , 2016 in Patent Application No .
`10 - 2014 - 7003526 ( with English translation ) .
`Combined Office Action and Search Report issued Sep . 15 , 2015 in
`Chinese Patent Application No . 201280045111 . 3 ( with English
`language translation ) .
`German language International Preliminary Report on Patentability
`( IPRP ) with English translation issued in International application
`No . PCT / EP2012 / 069135 ( 18 pages ) .
`* cited by examiner
`
`( 58 ) Field of Classification Search
`USPC . . . . . . . . . . . . . . . . 128 / 202 . 21 , 17 ; 131 / 329 ; 338 / 294
`See application file for complete search history .
`References Cited
`U . S . PATENT DOCUMENTS
`5 , 750 , 964 A
`5 / 1998 Counts et al .
`2002 / 0078951 A1 *
`6 / 2002 Nichols
`2011 / 0005535 A1
`1 / 2011 Xiu
`2011 / 0155153 AL
`6 / 2011 Thorens et al .
`2012 / 0193343 AL
`8 / 2012 Johnson
`FOREIGN PATENT DOCUMENTS
`2 / 2005
`1575673 A
`101262786 A
`9 / 2008
`2 / 1970
`1 565 641
`
`( 56 )
`
`CN
`CN
`DE
`
`A61M 11 / 041
`128 / 200 . 22
`
`Case 1:20-cv-00393-LMB-WEF Document 1462-26 Filed 04/05/23 Page 3 of 11 PageID#
`39855
`
`

`

`U . S . Patent
`
`atent
`
`Fig . 1
`
`Nov . 14 , 2017
`
`Sheet 1 of 2
`
`US 9 , 814 , 265 B2
`
`Detail A
`
`Case 1:20-cv-00393-LMB-WEF Document 1462-26 Filed 04/05/23 Page 4 of 11 PageID#
`
`39856
`
`

`

`atent
`
`Nov . 14 , 2017
`
`Sheet 2 of 2
`
`US 9 , 814 , 265 B2
`
`Fig . 2
`
`a )
`
`) ,
`
`Com
`
`IL ( D ) .
`
`Case 1:20-cv-00393-LMB-WEF Document 1462-26 Filed 04/05/23 Page 5 of 11 PageID#
`39857
`
`

`

`US 9 , 814 , 265 B2
`
`PERMEABLE ELECTRIC THERMAL
`RESISTOR FOIL FOR VAPORIZING FLUIDS
`FROM SINGLE - USE MOUTHPIECES WITH
`VAPORIZER MEMBRANES
`
`by a vacuum switch or a vacuum governor when a puff is
`taken from the electronic cigarette , whereby the fluid ( liq
`uid ) evaporates .
`The main components of the electronic cigarette are the
`5 following ones : the battery unit with vacuum switch or
`vacuum governor and LED for optically simulating the
`CROSS REFERENCE TO RELATED
`glowing end of a lit cigarette , the vaporizer unit ( atomizer )
`APPLICATION
`with heating coil and capillaries as well as the mouthpiece
`This application is a national phase application based on
`with the fluid reservoir .
`PCT / EP2012 / 069135 , filed on Sep . 27 , 2012 .
`The three components are normally cylindrical and , when
`assembled , their shape imitates a cigarette . In the interior of
`TECHNICAL FIELD
`these components a flow channel is formed , which extends
`through all three components . When a puff is taken from the
`The present invention relates in general to a device for is electronic cigarette , an air current is sucked into the battery
`optimized smoke - free inhalation of nicotine and / or additives 15 unit , whereby the vacuum switch or vacuum governor is
`with electronic cigarettes .
`operated . This has the effect that the heating coil provided in
`the downstream vaporizer unit is activated .
`GENERAL INTRODUCTION
`The helical heating coil is wound around a fiber strand ,
`When a conventional cigarette is smoked , tobacco is 20 which , through capillaries , is connected directly or via a
`burned and the smoke arising during this combustion is
`metal braid to a fluid reservoir located downstream in the
`inhaled ( mainstream smoke ) or discharged into the sur
`mouthpiece and which is impregnated with fluid , said fiber
`strand being arranged orthogonally to the flow direction .
`rounding environment ( sidestream smoke ) .
`Mainstream smoke is the crucial factor in damaging the
`Due to the activation of the heating coil , fluid is vaporized
`health of the consumer , but is what gives him / her the desired 25 and transferred to the air current .
`pleasure . Sidestream smoke is the crucial factor in damaging
`The reservoir itself , which is filled with the fluid to be
`11
`the health of passive smokers and is desired neither by the
`vaporized , is not directly exposed to the flow in the flow
`channel , but is arranged in a lateral pocket of the mouth
`passive smokers nor by the consumer .
`Over 4800 different substances have been identified in
`piece . The fiber strand is thus supplied through the capil
`cigarette smoke , of which around 70 are demonstrably 30 laries of the metal braid and the glass fiber strand , without
`carcinogenic .
`non - vaporized fluid from the reservoir arriving inevitably in
`The aim of methods and devices based thereon for smoke -
`the consumer ' s mouth . The reservoir normally consists of a
`free inhalation of nicotine and / or additives is to offer the
`small piece of non - woven fabric .
`consumer a substitute for the conventional cigarette which
`In addition to the reservoir , the mouthpiece only com
`causes significantly less harm to the consumer and third 35 prises a flow channel and the air outlet in the form of a small
`parties , preferably no harm at all to the consumer and third
`hole in the end face thereof . The air current , which has added
`parties , while however retaining the consumer experience of
`thereto the vaporized fluid , flows into the consumer ' s oral
`cavity through said air outlet .
`a conventional cigarette .
`The battery unit and the vaporizer unit are releasably
`PRIOR ART
`40 connected to one another via a thread . The end face of the
`thread and the threaded surface are electrically conductive
`At present , so - called e - cigarettes ( electronic cigarettes )
`and insulated from one another , so that , when the battery
`establish themselves on the market as a substitute for
`unit and the vaporizer unit have been connected via the
`conventional cigarettes . Among different approaches , the
`thread , an electric current can flow between them and the
`approach described hereinbelow has become accepted in 45 heating coil can be supplied by the battery when the vacuum
`view of its comparatively easy technical realizability in
`switch or vacuum governor has been activated . In the
`combination with its convincing functionality ( vaporization
`demounted condition , the battery unit can be connected to a
`battery charger via the same thread .
`rate , nicotine output )
`Patent DE69017371T2 , which dates back to 1990 ,
`The mouthpiece is attached via a cylindrical flange to the
`describes a smoking article comprising a flavor - generating 50 vaporizer unit end located opposite the thread . The reservoir
`medium , an electric heating element and means for applying
`in the mouthpiece comes thus into contact with the metal
`electrical energy , the flavor - generating medium being releas -
`braid of the vaporizer unit and the transport of fluid from the
`able from the electric heating element , characterized in that
`reservoir into the interior of the heating coil is initiated .
`big disadvantage of this embodiment of electronic
`the electric heating element is in thermal contact with the
`flavor - generating medium , that the means for applying elec - 55 cigarettes having a separate , reusable vaporizer unit is that
`trical energy applies electrical energy to the heating element
`the vaporizer unit will get increasingly contaminated during
`thereby causing the heating element to heat said flavor -
`its service life . Since many reservoirs comprising each 200
`generating medium and to release flavor components , and
`puffs are normally consumed before the vaporizer unit is
`that a control means is provided for controlling the amount
`exchanged and since the capillaries are not cleaned , there is
`of electrical energy applied by the means for applying 60 the potential risk of vaporizing microorganisms and unde
`electrical energy
`sired harmful substances . A vaporizer unit can be used up to
`This basic principle has been developed to marketability
`6 months .
`and optimized in the last two decades , as described herein -
`Another drawback of the increasing contamination of the
`vaporizer unit is the potential loss of quality during the
`below .
`A fluid to be vaporized is supplied from a reservoir to a 65 consumption period . For example , when a mouthpiece is
`small heating coil due to the capillary effect of a metal braid
`being exchanged , the fluid to be vaporized contained in the
`or a glass fiber wick . The heating coil is normally activated
`new mouthpiece will mix with the fluid residues that are still
`
`Case 1:20-cv-00393-LMB-WEF Document 1462-26 Filed 04/05/23 Page 6 of 11 PageID#
`
`39858
`
`

`

`US 9 , 814 , 265 B2
`contained in the capillaries . This is particularly disadvanta
`The last mentioned method and the device based thereon
`geous , if the consumer wants to consume different aromas
`allow an optimum vaporization of substances containing
`with one vaporizer .
`active and / or aroma materials , without the above - mentioned
`Another disadvantageous aspect is that fluid leaks out
`drawbacks , such as hygienic problems , high manufacturing
`when the mouthpieces attached to the vaporizer are being 5 costs resulting from the particular design and excessively
`exchanged , whereby the consumer ' s skin often comes into
`long consumption time , of the electric systems available on
`contact with a fluid containing nicotine . Depending on the
`the market , i . e . said device is , in principle , ideal for use as
`respective nicotine content , the skin contact may lead to
`a mouthpiece of a smoke - free cigarette , but said method
`makes use of a fluid stream which has already been acted
`minor poisoning .
`Last but not least , this tripartite design has the drawback 10 upon by heat due to the combustion of liquefied gas and
`which is provided by means of the process described in
`that the resultant length can hardly be reduced still further ,
`WO2008 / 113420 , whereas it is not possible to accomplish a
`and this is adverse to the aim of not exceeding the overall
`purely electrical generation of an adequately hot fluid stream
`length of a king size cigarette to a substantial extent .
`in the space available in a cigarette or a small cigar because
`The above - mentioned drawbacks are partially remedied 15 there is not enough space for a heat exchanger .
`when the vaporizer unit is integrated in the mouthpiece ,
`WO2008 / 113420 describes a method for volatilizing
`since the escape of fluid and the resultant skin contact risk
`active and / or aroma substances for the purpose of releasing
`can be avoided and the aim of limiting the overall length
`an inhalable aerosol , wherein combustion gases of a flam
`approximately to that of a king size cigarette can be achieved
`mable gas , which is preferably combusted with an excess of
`more easily .
`20 air , are passed partially or entirely , optionally mixed with
`However , the threaded connection , which , together with
`ambient air , through an active and / or aroma substance
`reservoir and wherein a desired temperature is selectable by
`the vaporizer , has been transferred to the mouthpiece , now
`proves to be disadvantageous , and , in addition to the fact that
`the proportion of combustion gases and optionally by the
`a threaded connection is inconvenient to handle , this also
`mixing ratio of said combustion gases with ambient air .
`An essential disadvantage of this method is the use of
`leads to waste disposal problems in view of the compara - 25
`tively thick metal wall in the area of the thread and the now
`liquefied gas , which has the effect that , due to the supposed
`given single - use character of the combined product , espe
`explosion risk in the immediate vicinity of the consumer ' s
`cially since it is a mass production product , whereby the use
`face , even though this risk is only hypothetical and can be
`of an excessive amount of material increases exponentially
`governed by a fail - safe design , there will be security con
`For both the above - mentioned variants , i . e . the variant 30 cerns on the part of potential customers on the one hand and
`comprising a separate vaporizer as well as the variant having
`a high probability that products based on this principle will
`the vaporizer integrated in the mouthpiece , the refillability
`not be allowed aboard an aircraft on the other .
`of the respective reservoirs as well as the resultant refilling
`practice which has already been widely adopted constitute a
`OBJECT OF THE INVENTION
`big problem in view of the potential risks that may be 35
`It is therefore an object of the present invention to provide
`entailed by fluids containing nicotine . Refill bottles may
`contain an amount of nicotine that may be lethal to children .
`a device for electronic cigarettes which guarantees a vapor
`In addition , the alleged hygienic advantage of the systems
`ization of nicotine and / or additives without reusable com
`comprising a vaporizer that is integrated in the mouthpiece
`ponents that come into contact with the fluid to be vaporized ,
`is nullified , since these systems are also often refilled in 40 and to preferably accomplish at the same time a substantial
`practice , although they frequently use , instead of the glass
`reduction of costs and ecological damage by reducing the
`fiber capillaries , fibers as capillaries , which carbonize when
`amount of material used and by optimizing machine proc
`they are used for a prolonged period of time .
`essability .
`Finally , a big disadvantage of the systems comprising a
`vaporizer integrated in the mouthpiece is to be seen in the 45
`GENERAL DESCRIPTION OF THE INVENTION
`impossibility of producing this product , which is a mass
`product , on fast - running machines in view of the compo
`According to the present invention , this object is achieved
`nents used , e . g . the screw flange which is produced by a
`by a heating device of the type described in claim 1 and a
`metal - cutting process and whose outer ring and whose end
`vaporizer device used for vaporizing fluids from permeable
`face are electrically separated , and the hardly automatable 50 vaporizer membranes ( similar to those described in
`mounting , e . g . the mounting of the heating coil which is
`WO2011 / 009920 ) and including such a heating device , said
`welded to the screw flange through wires and of the glass
`heating device comprising :
`fiber strand or natural fiber strand conducted through the
`a permeable thermal resistor foil configured as a dual coil
`heating coil .
`and / or sinuous line with two ends and dimensions of
`WO2011 / 009920 describes a method for volatilizing 55
`the cross - section of a cigarette or a small cigar , wherein
`active and / or aroma materials for the purpose of releasing an
`the interspaces of the dual coil and / or sinuous line of
`the thermal resistor ( 1 ) are open ( permeable ) and allow
`inhalable aerosol , wherein a fluid acted upon by thermal
`energy flows through a flow channel in a preferably cylin
`thus a flow of fluid therethrough .
`at least two electric contacts ( contact tabs ) which are
`drical hollow body and wherein the fluid in this flow channel
`entirely or in part flows through at least one vaporizer 60
`fixedly connected to the respective opposed end of the
`membrane , wherein the at least one vaporizer membrane has
`thermal resistor foil on one side thereof and which are
`been and / or is wetted with a substance containing active
`exposed on the other side thereof , which allows them to
`and / or aroma materials to be vaporized and wherein the fluid
`be releasably connected to a controlled or regulated
`additionally containing thermal energy , i . e . acted upon by
`voltage source , the thermal resistor foil and the electric
`thermal energy , vaporizes this substance or these substances 65
`contacts being preferably made of one piece .
`on flowing through the vaporizer membrane and supplies it
`In the sense of the present invention , the term permeable
`means for the thermal resistor foil as well as for the
`or them to the fluid stream .
`
`Case 1:20-cv-00393-LMB-WEF Document 1462-26 Filed 04/05/23 Page 7 of 11 PageID#
`
`39859
`
`

`

`US 9 , 814 , 265 B2
`
`of the windings and / or the wall thickness of the foil or of the
`vaporizer membranes that they allow gas to pass there
`thin sheet , the power of the thermal resistor can be adapted
`through ( permeable to gas ) in the direction of their surface
`in the best possible way to various substances to be vapor
`normal .
`According to the present invention , a permeable thermal ized , which contain different materials .
`resistor foil consists of an electrically conductive foil , which 5
`By choosing adequate materials as well as adequate
`is preferably subjected to punching or laser cutting so as to
`geometrical parameters of the thermal resistor foil , the
`obtain a dual coil or a sinuous line shape or a combination
`electric resistance of the thermal resistor foil can be adjusted
`of dual coil and sinuous line shapes . In case of a combination
`in the range of 1 - 100 ( Ohm ) , whereby a spectrum of
`of dual coil and sinuous line shapes the thermal resistor may
`0 . 1 - 13 . 7 Watt heating power in the cross - section of a ciga
`include , for example , two partial areas with sinuous line 10
`rette mouthpiece can be covered with a possible nominal
`shapes having an interposed partial area in the form of a dual
`voltage of an attached battery unit of 1 . 2 V
`( NiCd ) - 3 . 7 V
`coil , or with a dual coil having a central partial area in the
`form of a sinuous line . Other combinations with additional ,
`( Li - ion ) .
`Another important advantage of the invention is that , by
`different partial areas are possible as well .
`The thermal resistor foil according to the invention con - 16 providing a local constriction ( narrowing ) , a safety fuse can
`sists of an electrically conductive material , preferably an
`be integrated in the contour of the thermal resistor foil .
`aluminum or high - quality steel alloy , and more preferably of
`When the fluid has been consumed , this safety fuse will be
`a food - safe pure aluminum , an AlMn alloy or stainless steel ,
`thermally destroyed due to the then no longer existing
`such as X5CrNi18 - 10 .
`cooling , and the mouthpiece will be rendered useless ,
`The wall thickness of a permeable thermal resistor foil
`a 20 whereby a single - use mouthpiece with a specific consump
`according to the present invention is between 0 . 01 mm and 20
`tion time of 5 - 20 puffs per 20 - 50 ml , preferably , however ,
`0 . 2 mm , preferably , however , it is between 0 . 02 mm and
`with 8 - 12 puffs per 35 ml , can be obtained in a particularly
`0 . 08 mm .
`Depending on the electric conductivity of the fluid to be
`easy manner .
`According to a further embodiment , the vaporizer device
`vaporized , the thermal resistor foil can be coated with a
`heat - resistant and electrically insulating plastic layer , pref - 25 additionally comprises a flange for releasably connecting a
`erably a layer of polyimide , micanite or silicone , thus
`controlled or regulated electric voltage source by the electric
`avoiding a short circuit if the electric resistance of the fluid
`poles , the contact tabs , which are connected to the respective
`to be vaporized should be too low in comparison with the
`opposed end of the dual coil and / or sinuous line of the
`resistance of the thermal resistor foil . Micanite in the sense
`thermal resistor , not being in direct contact with one another .
`of the present invention generally refers to artificial mica , 30 i . e . they are only in contact with one another via the thermal
`i . e . a composite material comprising broken bits of mica
`resistor . These contact tabs are adapted to be connected via
`( broken bits of layered silicate ) and artificial resin as a
`the flange to the electric poles of a controlled or regulated
`matrix system . Exemplary products : flexible micanite FLM
`electric voltage source .
`M
`& P ( consisting of at least 92 % of muscovite or , alter
`Preferably , an insulation foil covers the contact tabs
`natively , phlogopite , impregnated with a high temperature za
`i 35 towards a flange area on the inner side of the hollow cylinder
`resistant silicone binding agent ) , flexible micanite FLM 521
`of the mouthpiece . The insulation foil includes , preferably in
`P , etc .
`the region of said flange area , at least two axially displaced
`Such a heating device can be used e . g . as an electric
`contact openings , said contact openings being preferably
`thermal resistor in
`a vaporizer device for vaporizing sub
`configured such that they are axially located in one plane and
`stances containing active and / or aroma materials , e . g . in a
`disposable , single - use mouthpiece for an electronic ciga - 40 expose each only one contact tab . The poles of a controlled
`or regulated electric voltage source are e . g . two axially
`rette . By simply attaching the heating device to a battery unit
`including a vacuum switch or vacuum governor , the elec
`displaced rings , and , in the connected condition of the
`tronic cigarette will be ready for use . When the current
`mouthpiece and the voltage source , a respective pole of the
`circuit is closed by the vacuum switch or vacuum governor ,
`voltage source is connected via the contact openings to the
`the thermal resistor foil will heat and vaporize the fluid from
`45 contact tabs and via the contact tabs to a respective end of
`the vaporizer membrane .
`the dual coil and / or the sinuous line of the thermal resistor .
`Another aspect therefore concerns a vaporizer device for
`According to
`a further embodiment , the contact tabs
`vaporizing substances containing active and / or aroma mate
`and / or the flange area preferably include at least one locating
`rials , preferably configured as a mouthpiece in the form of
`groove and / or locating projection , said locating groove
`a hollow cylinder with a fluid inlet and a fluid outlet . The 50 and / or locating projection having a complementary coun
`vaporizer device comprises a heating device of the type
`terpart configured as at least one locating projection and / or
`described here and at least one vaporizer membrane which
`locating groove on the controlled or regulated electric volt
`is in large - area contact with the thermal resistor . The vapor
`age source . In the connected condition of the mouthpiece
`izer membrane is also permeable to flowing fluids and is
`and the voltage source , a respective pole of the voltage
`either wetted or can be wetted with a substance containing 55 source is connected to the contact tabs and via the contact
`active and / or aroma materials to be vaporized . The thermal
`tabs to a respective end of the dual coil and / or the sinuous
`resistor and the vaporizer membrane ( s ) are preferably
`line of the thermal resistor .
`arranged orthogonally or at an angle to the direction of the
`According to another preferred embodiment , at least one
`fluids passing through the mouthpiece .
`pointed and / or sharp - edged opening tab consisting of a
`The above - described structural design of the vaporizer
`The above - described structural design of the vaporizer
`device achieves not only a very high vaporizing efficiency 60 metallic foil or a thin sheet , preferably ( but not coercively )
`of the same metallic foil , respectively same thin sheet , as the
`but also the highest possible degree of vaporization unifor
`mity due to fact that the invention provides the largest
`thermal resistor , extends , with its pointed and / or sharp
`possible contact area between the thermal resistor foil and
`edged side first , from the thermal resistor axially in the
`direction of the flange of the mouthpiece and is implemented
`the vaporizer membrane or vaporizer membranes .
`Another essential advantage of the invention is that , by 65 such that , when the mouthpiece and the voltage source are
`varying the geometrical configuration of the thermal resistor
`being connected , a sealing foil of a storage cartridge
`foil , e . g . by varying the number of coil windings , the width
`between the thermal resistor and the flange is punctured
`
`Case 1:20-cv-00393-LMB-WEF Document 1462-26 Filed 04/05/23 Page 8 of 11 PageID#
`
`39860
`
`

`

`US 9 , 814 , 265 B2
`
`5
`
`10
`
`15
`15
`
`25
`
`and / or cut open by said opening tab , said storage cartridge
`corresponding preferably to the so - called cork paper of
`being filled with a substance containing active and / or aroma
`cigarette filters and the paperboard being coated with a
`plastic film on the inner surface thereof ,
`materials .
`Hence , the present invention not only allows the provision
`a permeable thermal resistor foil 1 in the form of a dual
`of a combination of storage and vaporization functions in a
`coil 101 punched from an aluminium foil , the perme
`single - use mouthpiece which , in comparison with known
`able thermal resistor foil 1 being coated with a insu
`devices of this type , provides a more efficient vaporization
`lating layer 11 of polyimide ,
`and a reduction of the amount of resources consumed , but it
`two electric contacts 13 in the form of contact tabs 13 on
`also offers a precisely defined , temporally limited consumer
`the thermal resistor foil 1 , which extend longitudinally
`experience .
`within the hollow cylinder 31 along the inner surface
`Due to the fact that the above - described thermal resistor
`thereof from the thermal resistor foil 1 up to and into
`foil is preferably produced by means of punching or die
`the flange 33 , each of the contacts having a cross
`bending , this production can excellently be integrated in a
`sectional shape corresponding to a quarter circle ,
`fast - running manufacturing process , and this constitutes
`two permeable vaporizer membranes 32 which are
`another essential advantage of the present invention .
`arranged such that , in axial the direction , one vaporizer
`membrane 32 is disposed upstream of and the other
`BRIEF DESCRIPTION OF THE FIGURES
`vaporizer membrane 32 is disposed downstream of the
`In the following , advantages and advantageous further
`permeable thermal resistor foil 1 to be in direct large
`developments of the invention will be described making
`area contact therewith , part of said vaporizer mem
`reference to the figures enclosed .
`branes being in direct contact with one another ,
`FIG . 1 shows two variants of a preferred embodiment of
`a vaporizer buffer store 321 in the form of a ring of an
`the heating device described in the present invention , in the
`absorptive non - woven fabric across which the vapor
`case of which the thermal resistor 1 , the contact tabs 13 and
`izer membranes 32 are spanned like a drumhead ,
`two opening tabs 14 are produced from a single piece of
`two opening tabs 14 in the form of spikes projecting from
`metal foil .
`the contact tabs 13 into the flow channel 31 and
`a ) A dual coil 101 as a thermal resistor 1 .
`extending axially from the thermal resistor foil 1
`b ) A sinuous line 102 as a thermal resistor 1 having
`towards the flange 33 ,
`additionally integrated therein a safety fuse 12 .
`an insulation foil 2 extending longitudinally within the
`FIG . 2 shows how a mouthpiece 3 according to a pre
`hollow cylinder 31 and within the contact tabs 13 along
`ferred embodiment of the present invention is connected to 30
`the inner surface thereof from the thermal resistor foil
`a voltage source 4 , the two annular poles 41 of the voltage
`1 up to and into the flange 33 with two axially displaced
`source 4 coming into contact with the contact tabs 13 via the
`contact openings 21 , the inner surface of the insulation
`contact openings 21 provided in the insulation foil 2 ,
`foil 2 and the contact tab areas exposed through the
`whereby the thermal resistor 1 can be supplied with current ,
`the storage cartridge 36 being axially displaced within the ne
`contact openings 21 representing the flange area 331 of
`35
`the flange 33 located on the side of the mouthpiece ,
`hollow cylinder 31 towards the buffer storage 321 through
`the end face of the flange 33 of the voltage source 4 ,
`an axially movable annular storage cartridge 36 within the
`whereby the sealing foil 361 of the storage cartridge 36 is
`insulation foil 2 of the hollow cylinder 31 , said storage
`cartridge 36 containing a substance which contains
`torn open by the opening tabs 14 , whereupon the substance
`active and / or aroma materials and being sealed by a
`containing active and / or aroma materials flows into the
`buffer storage 321 and from there into the vaporizer mem - 40
`sealing foil 361 , and said sealing foil 361 being
`destroyed when the storage cartridge 36
`is moved
`branes 32 .
`a ) Mouthpiece in inactive storage condition with intact
`towards the thermal resistor foil 1 to such an extent that
`sealing foil 361 and storage cartridge 36 at the original
`the opening tabs 14 penetrate the sealing foil 361 .
`position , voltage source 4 not yet attached .
`The above - described preferred embodiment of the present
`b ) Mouthpiece in activated conditio