Jan. 4, 1938.
`
`MEANS FOR THE PRODUCTION AND INHALATION OF TOBACCO FUMES
`
`W. J. MCCORMICK
`
`2,104,266
`
`Filed Sept. 23, 1935
`
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`Philip Morris Products, S.A.
`Exhibit 1021
`Page 001
`
`

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`Patented Jan. 4, 1938
`
`2,104,266
`
`UNITED STATES PATENT OFFICE
`
`2,104,266
`MEANS FOB THE PRODUCTION AND INHA­
`LATION OF TOBACCO FUMES
`William J. McCormick, Toronto, Ontario,
`Canada
`Application September 23, 1935, Serial No. 41,656
`(Cl. 131—12)
`12 Claims.
`comes a subconscious act, is also a prolific cause
`My invention relates to improvements in means
`of fires with resultant loss of life and property.
`for the inhalation of tobacco fumes, and par­
`In the past numerous devices have been in­
`ticularly to a form of tobacco pipe or cigarette
`vented with the object of entrapping or filtering
`holder for volatilizing tliezactive principles of
`out the undesirable by-products of combustion 5
`5 tobacco for inhalation, the volatilization being
`in tobacco pipes; but none of these has proved >
`effected by controlled heat of predetermined de­
`sufficiently practicable to obtain general adoption.
`gree, rather than by ignition and combustion as
`The main object of my present invention is to
`generally practiced heretofore.
`prevent to a great extent the formation of the
`Prior to this invention tobacco smoking has
`undesirable elements in the smoke at their source, 10
`10 been practiced for the past four hundred years
`by providing a means of liberating the active
`in substantially the same manner as that em­
`principles of tobacco by controlled heat, sufficient
`ployed originally by the American Indian, name­
`in degree to volatilize the nicotine and other allied
`ly:—by igniting a quantity of tobacco in a pipe
`ingredients, but not sufficient to produce combus­
`or tube and inhaling or puffing through the air
`tion of the remaining organic matter; and to 15
`15 passages of the mouth, nose and lungs the hot
`adapt the application of said means, in the form
`smoke and gases produced in the combustion of
`of a fireless substitute for the ordinary tobacco
`the same. By this means the burning portion of
`pipe and cigarette holder.
`tobacco provides sufficient heat in the closely
`Another object of my invention is to eliminate
`adjoining unburned portion to liberate by distilla-
`to a great extent the discomfort and annoyance 20
`20 tion the volatile active principles; and these, in
`caused to non-smokers by liberated tobacco smoke
`the form of smoke and vapour, together with the
`in closed buildings and conveyances.
`gaseous products of combustion, are carried by
`A further object of the invention is to reduce
`suction into the mouth and air passages.
`the fire hazard by eliminating to a great extent
`The active principles, or alkaloids, of tobacco
`the use of fire and matches in the use of tobacco. 25
`25 are four in number, namely: nicotine, nicotimine,
`With these objects in view, as well as others
`nicoteine and nicotelline, of which the first is
`that will become apparent from the following
`perhaps the most potent. All four are volatile,
`disclosure and appended claims, reference will be
`and are known to have narcotic properties. They
`had to the accompanying drawing, forming a part
`are generally recognized as the. ingredients in
`thereof, and in which—
`30 tobacco which provide such universal fascination
`Fig. 1 is a side elevational view, in section, of
`for its devotees. On the contrary the other ele­
`my invention as applied to an ordinary tobacco
`ments in the tobacco smoke, of which there are
`Pipe.
`a great many produced by combustion and con­
`Fig. 2 is a sectional view of the bowl of the pipe
`sequent high temperature distillation, have no
`along the line 2—2 as indicated in Fig. 1, showing 35
`35 desirable effects. Among these undesirable prod­
`construction not visible in Fig. 1.
`ucts may be mentioned carbon monoxide, hydro­
`Fig. 3 is a side elevational view of my invention
`gen sulphide, pyridine, ammonia, furfurol, car-
`as applied to an ordinary cigarette holder.
`. bolic acid arid prussic acid. These not only in­
`Fig. 4 is a sectional view of the bowl of the
`crease the toxicity of the tobacco fumes, but they
`cigarette holder along the line 4—4 as indicated 40
`40 are known to have a definitely irritant action
`in Fig. 3, showing construction not visible in Fig.
`on the air passages, resulting in bronchitis and
`3, and similar to that shown in Fig. 2.
`cough. The tarry ingredients in the smoke are
`Fig. 5 is an enlarged view, partly in section, of
`even believed to predispose to. cancer of the lip
`the thermostatic switch indicated by the numeral
`4g and tongue, which are more frequently observed
`6 in Fig. 1 and Fig. 3 showing the working parts 45
`in smokers.
`of same in detail.
`Aside from the deleterious effects of tobacco
`Similar numerals refer to similar parts through­
`smoke on the subject who smokes, the liberated
`out the several views.
`smoke is often a source of annoyance, discomfort
`Referring to the drawing:
`50 and even physical injury to the non-smoker, who
`In Fig. 1 and Fig. 3 the numeral I designates 50
`of necessity may be intimately associated with the
`the outer shell of the bowl of an ordinary to­
`smoker, as for instance in the case of the tobacco
`bacco pipe or cigarette holder, as the case may
`smoking mother and her young child.
`be, and 2 designates the stem or mouth-piece of
`The careless dropping of lighted matches and
`the same, which is provided with a central suc­
`55 cigarette butts, which to the heavy smoker be-
`tion tube 4, which communicates with the bowl. 55
`
`3q
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`Philip Morris Products, S.A.
`Exhibit 1021
`Page 002
`
`

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`2,104,266
`of the bowl or heating chamber 3 is drawn into
`r heating chamber, 3 which serves as a recepta­
`the mouth and air passages of the respiratory
`cle for the tobacco or cigarette. Numeral 5 des­
`tract, while at the same time new air is drawn
`ignates a metallic resistance coil adapted for the
`through the inlets 8 and 13 into the subdivisions
`transmission of a suitable electric current for the
`of the insulated chamber 9. The air entering 5
`production of heat, which may be wound on a
`at inlet 8 passes in the direction of the arrows
`tube of porcelain or other suitable insulating and
`over that portion of the heating coil 5 in one of
`heat resisting material, and is contained in an
`insulated chamber 9 the central cavity of the said
`the subdivisions of the chamber 9 where it is
`preheated, and enters the bowl 3 through the out­
`tube providing the aforesaid bowl or heating
`chamber. Numeral 6 designates a thermostatic
`let 10. This preheated air then passes along 10
`through the heated tobacco or cigarette, result­
`switch which is serially connected with the said
`ing in a more even distribution of heat through
`coil, and is adjusted to control or regulate within
`the same than would be otherwise possible, and
`a predetermined degree of variation the heat
`produced. No. 7 designates the electric termi­
`consequently liberating more completely the vola­
`nals of the heating circuit which may be adapted
`tile ingredients.' The air entering at inlet 13 15
`passes in the direction of the arrows over that
`for connection with a suitable source of electrical
`portion of the heating coil 5 in the other subdi­
`energy either by flexible cord as indicated or by
`vision of the chamber 9 where it is preheated,
`a fixed plug and detachable cord connector se­
`cured to the base of the tobacco pipe or cigarette
`and enters the suction tube 4 at the outlet 14 to
`holder. The insulated chamber 9 is divided into
`serve as a means of diluting the tobacco fumes 20
`before entering the respiratory tract. The pre­
`two portions by the partitions 11 which extend
`heating of this latter air current serves to mini­
`the full length of the ;coil 5, on either side of the
`mize condensation of the fumes in the stem 2.
`bowl 3. No. 8 desighates an air inlet communi­
`cating with one portion of the chamber 9, which
`In order to regulate the degree of concentra­
`in turn has an outlet 10 communicating with
`tion of the tobacco fumes the relative flow of air 25
`through the two inlets, 8 and 13, may be regu­
`the bowl 3. No. 12 designates a closely fitting re­
`lated by partially closing either inlet with the
`movable cover cap for the bowl 3, which may
`fingers or by means of small adjustable dampers;
`be hinged to the same or otherwise held in posi­
`or the relative size of these inlets may be fixed
`tion. No. 13 designates another air inlet which
`to suit the requirements of the average tobacco 30
`communicates with the other portion or subdivi­
`user.
`sion of the chamber 9, which in turn has an out­
`When the volatile elements in the tobacco have
`let 14 communicating with the suction tube 4
`been thus exhausted the cover cap 12 may be
`near its connection to base of the bowl 3.
`taken off, the residue removed, and a fresh supply
`The thermostatic switch, as shown in Fig. 5,
`inserted in the heating chamber.
`is of the type in general use for the heat conti il
`The pronounced advantages and possibilities of
`of small heating appliances, and consists essen­
`tially of a thermosensitive bimetallic element 16,
`practical adaption of this invention are read­
`ily apparent. The selective action of thermo­
`brass on one side 17 and iron on the other side 18.
`statically controlled heat, whereby the active
`A non-corrosive metallic terminal contact point-
`15 is adjusted for contact with a metallic insert
`principles of tobacco in volatile form are liberated 40
`for inhalation without combustion is of prime
`of like material positioned directly opposite in the
`importance for the reasons previously mentioned.
`bimetallic element, whereby make and break of
`By the installation of a system of special electric
`the electric current is effected within a predeter­
`wiring to each seat in public halls and convey­
`mined range of temperature variation as a result
`ances, as for instance in theatres, motor buses 45
`of the uneven expansion of the constituents of the
`and railway trains, the use of this invention could
`bimetallic element. One end of this element is
`be made the means of preventing mutual dis­
`secured in fixed position by the screw 19 to which
`comfort of tobacco habitues and non-smokers;
`is attached the wire terminal 20, the other wire
`since by this invention the habitual user of to­
`terminal being connected at 15 as shown. No.
`21 designates an insulating plate to prevent short
`bacco could practice his accustomed indulgence 50
`without material discomfort to others, while the
`circuiting in the switch.
`elimination of fire and matches would be a great
`In the following description of the operation
`factor in public safety.
`of my invention the attainment of my objectives
`is obviously shown:
`Another pronounced advantage of the practice
`of this invention is the material economy effected 53
`The bowl 3 of the pipe or cigarette holder Is
`in the consumption of tobacco. The tobacco is
`filled with tobacco or a cigarette, as the case may
`be. The cover cap 12 is then placed in position
`fully utilized until all the volatile ingredients are
`over the top or distal end, and an electric connec­
`exhausted, there being no discarded portions as
`tion is made with a suitable source of electrical
`is the case with cigar and cigarette smoking.
`energy through the agency of the terminal 7.
`Likewise, in momentary intervals when the de- 60
`The metallic coil 5, which is adapted to transmit
`vice is not in use the tobacco does not continue to
`a suitable wattage of electrical current, then de­
`be consumed as is the case with the burning
`velops heat, which is maintained within a prede­
`cigar or cigarette; but instead, the volatile in­
`termined range of temperature by the action of
`gredients are retained in a closed chamber and
`the thermostatic switch 6. The heat thus pro­
`utilized only as required. By this invention a 03
`duced is transmitted by conduction to the tobacco
`given quantity of tobacco can be made to pro­
`contained in the bowl 3, resulting in the volatili­
`duce the effect of a much larger quantity smoked
`zation of the nicotine and allied ingredients of
`in the ordinary way.
`While the practice of this Invention is shown
`the tobacco. In practice a temperature approxi­
`mating the boiling point of nicotine between 200’
`and described as adapted to the construction of 70
`and 225° centigrade, is found to be sufficient to
`the ordinary tobacco pipe or cigarette holder,
`produce this result without producing the com­
`this is merely the preferred form of the inven­
`bustion of the tobacco proper. If, then, suction
`tion as applied to existing practices. It is readily
`conceivable that various modifications of the in­
`is applied to the mouthpiece, after the ordinary
`vention are feasible to meet varying require- 75
`manner of tobacco smoking, the volatile content
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`2o
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`35
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`5
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`10
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`15
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`20
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`25
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`30
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`35
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`40
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`45
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`50
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`55
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`60
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`65
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`70
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`75
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`Philip Morris Products, S.A.
`Exhibit 1021
`Page 003
`
`

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`3
`2,104,266
`heated by the heating means; and a second con­
`ments without departing from the basic principles
`duit also positioned to be heated by the heating
`of the same. To illustrate: A stationary unit,
`means, communicating with the atmosphere at
`embodying the essential features of this inven­
`one end and at its other end with that part of
`tion, might be located at the centre of a table,
`the first mentioned conduit through which pass 5
`5 and to this central unit a plurality of flexible
`air and fumes from the receptacle.
`tubes with individual mouthpieces could be at­
`7. Means for the production and inhalation of
`tached, so as to meet the requirements of all those
`tobacco fumes comprising a receptacle for to­
`seated about the table, thus eliminating the
`bacco; means adapted for the passage of, air -
`necessity for movable electric connections.
`through the said receptacle and for communica- 10
`1 ·> What I claim as my invention is:
`tion with the human respiratory tract; means
`1. Means for the production and inhalation
`for preheating the air before it passes through
`of tobacco fumes comprising a receptacle for
`the receptacle and for applying heat by conduc­
`tobacco; an air conduit whereby air may be drawn
`tion to the tobacco; means for controlling the heat
`through the receptacle for inhalation; electric
`to maintain the tobacco at a predetermined tem- 15
`15 means for conductively heating the tobacco in
`perature, sufficient in degree to liberate the vola­
`the receptacle; and automatic means adapted for1
`tile constituents of the tobacco but below the
`controlling the electric heating means to main­
`temperature for initiating combustion of the to­
`tain the tobacco at a temperature sufficient to
`bacco; and means for modifying the concentra­
`liberate volatile constituents but below the tem-
`tion of the volatile products prior to exit from 20
`20 peratuxe for initiating combustion.
`the device.
`2. Means for the production and inhalation of
`8. Means for the production and inhalation of
`tobacco fumes comprising a receptacle for tobac­
`tobacco fumes comprising a receptacle for to­
`co; an air conduit whereby air may be drawn
`bacco; means adapted for the passage of air
`through the receptacle for inhalation; and
`through the said receptacle and for communica- 25
`25 electric means for heating the tobacco in the re­
`tion with the human respiratory tract; an elec­
`ceptacle including a resistance element adapted
`tric heating element adapted to preheat the air
`to transmit heat conductively through the wall of
`before it passes through the receptacle and to
`the receptacle to the tobacco.
`transmit heat by conduction to the tobacco; a
`3. Means for the production and inhalation
`thermostatically controlled switch in circuit with 30
`30 of tobacco fumes comprising a receptacle for
`the heating element for controlling the heat· to
`tobacco; an air conduit whereby air may be drawn
`maintain the tobacco at a predetermined tem­
`through the'receptacle for inhalation; and elec­
`perature, sufficient in degree to. liberate the vola­
`tric means for heating the tobacco in the re­
`tile constituents of the tobacco but below the
`ceptacle including a resistance element adapted
`temperature for initiating combustion of the to- 35
`35 to transmit heat conductively through the wall
`bacco; and means for modifying the concentra­
`of the receptacle to the tobacco, the air conduit
`tion of the volatile products by the admixture
`including a portion leading to the inlet end of the
`of preheated air, prior to exit from the device.
`receptacle and positioned to be heated by the
`9. Means for the production and inhalation of
`resistance element.
`tobacco fumes comprising a receptacle for to- 40
`4. Means for the production and inhalation
`bacco; a suction tube communicating with the
`of tobacco fumes comprising a receptacle for
`lower end of the receptacle; an air chamber about
`tobacco; an air conduit whereby air may be drawn
`the said receptacle divided longitudinally by par­
`through the receptacle for inhalation; electric
`titions into two parts, one part having an air
`means for heating the tobacco in the receptacle
`inlet adjacent its lower end and at its upper end 45
`45 including a resistance element adapted to trans­
`communicating with the upper end of the re­
`mit heat conductively through the wall of the
`ceptacle, while the other part has also an air
`receptacle to the tobacco, the air conduit includ­
`inlet and at its lower end communicates with the
`ing a portion leading to the inlet end of the
`suction tube; and an electric heating element
`receptacle and positioned to be heated by the re-
`positioned in said air chamber adapted to heat air 50
`50 sistanCe element; and a second air conduit also
`passing through the chamber and to transmit
`positioned to be heated by the resistance element,
`heat conductively to the tobacco in the recep­
`communicating with the atmosphere at one end
`tacle.
`·
`and at its other end with that part of the first
`10. Means for the production and inhalation
`mentioned conduit through which pass air and
`of tobacco fumes comprising a receptacle for to- 55
`55 fumes from the receptacle.
`bacco; a suction tube communicating with the
`5. Means for the production and inhalation of
`lower end of the receptacle; an air chamber
`tobacco fumes comprising a receptacle for to-
`about the said receptacle divided longitudinally
`1 bacco; an air conduit whereby air may be drawn
`by partitions into two parts, one part having an
`through the receptacle for inhalation; electric
`air inlet adjacent its lower end and at its upper 60
`60 means for heating the tobacco in the receptacle,
`end communicating with the upper end of the
`the air conduit including a portion leading to
`receptacle while the other part has also an air
`the inlet end of the receptacle and positioned
`inlet and at its lower end communicates with the
`to be heated by the heating means; and auto­
`matic means adapted for controlling the electric
`suction tube; an electric heating element posi­
`65 heating means to maintain the tobacco at a
`tioned in said air chamber adapted to heat air 65
`passing through the chamber and to transmit
`temperature sufficient to liberate volatile con­
`heat conductively to the tobacco in the recep­
`stituents but below the temperature for initiating
`combustion of the tobacco.
`tacle; and a thermostatically controlled switch in
`the said chamber and in circuit with the heating
`6. Means for the production and inhalation of
`element for controlling the heat to maintain 70
`70 tobacco fumes comprising a receptacle for to­
`bacco; an air conduit whereby air may be drawn
`the tobacco at a temperature sufficient to liberate
`through the receptacle for inhalation; electric
`volatile constituents but below the temperature
`means for heating the tobacco in the receptacle,
`for initiating combustion.
`11. Means for the production and inhalation
`. the air conduit including a portion leading to the
`75 inlet end of the receptacle and positioned to be
`of tobacco fumes comprising a receptacle for to- 75
`
`40
`
`Philip Morris Products, S.A.
`Exhibit 1021
`Page 004
`
`

`

`4b
`
`9,104,366
`acco; an air conduit whereby air may be drawn
`bacco; means adapted for the passage of air
`through the receptacle for inhalation; and elec­
`through the said receptacle and for communica­
`tion with the human respiratory tract; means for
`tric means for heating the tobacco in the recep­
`preheating the air before it passes through the
`tacle including a resistance element transmit-
`5 ting heat conductively through the wall of the
`receptacle and for applying heat by conduction 5
`receptacle to the tobacco, the air conduit includ­
`to the tobacco; and means for controlling the heat
`ing a portion leading to the inlet end of the re­
`to maintain the tobacco at a predetermined tem­
`perature, sufficient in degree to liberate the vola­
`ceptacle and positioned to be heated by the re­
`sistance element, the air conduit also having a
`tile constituents of the tobacco but below the tem­
`sq wall part displaceable to give access to the in­
`perature for initiating combustion.
`terior of the receptacle.
`12. Means for the production and inhalation
`WILLIAM J. McCORMICK.
`of tobacco fumes comprising a receptacle for to­
`
`10
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`Philip Morris Products, S.A.
`Exhibit 1021
`Page 005
`
`