EP0746726B1 - Feuerzeug mit gefärbter flamme und farbzusammensetzung dafür - Google Patents

Feuerzeug mit gefärbter flamme und farbzusammensetzung dafür Download PDF

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Publication number
EP0746726B1
EP0746726B1 EP95902815A EP95902815A EP0746726B1 EP 0746726 B1 EP0746726 B1 EP 0746726B1 EP 95902815 A EP95902815 A EP 95902815A EP 95902815 A EP95902815 A EP 95902815A EP 0746726 B1 EP0746726 B1 EP 0746726B1
Authority
EP
European Patent Office
Prior art keywords
lighter
flame
lighter according
tank
axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP95902815A
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English (en)
French (fr)
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EP0746726A1 (de
Inventor
Jean-Pierre Rosada
Christine Lapene
Christian Authie
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rivonia Trading Lda
Original Assignee
Rivonia Trading Lda
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR9314300A external-priority patent/FR2713313B1/fr
Priority claimed from FR9402768A external-priority patent/FR2713314B1/fr
Priority claimed from FR9408754A external-priority patent/FR2713315B1/fr
Application filed by Rivonia Trading Lda filed Critical Rivonia Trading Lda
Publication of EP0746726A1 publication Critical patent/EP0746726A1/de
Application granted granted Critical
Publication of EP0746726B1 publication Critical patent/EP0746726B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23Q—IGNITION; EXTINGUISHING-DEVICES
    • F23Q2/00—Lighters containing fuel, e.g. for cigarettes
    • F23Q2/34—Component parts or accessories
    • F23Q2/345—Scent-distribution or flame-colouring devices

Definitions

  • the present invention relates to the field of flame lighters colorful.
  • a first way consists in spraying on the flame an agent coloring, for example a metallic species dissolved in a solution alcoholic, this being contained in a specific tank distinct from the one containing the combustible liquid.
  • an agent coloring for example a metallic species dissolved in a solution alcoholic, this being contained in a specific tank distinct from the one containing the combustible liquid.
  • a second way is to directly mix the coloring with combustible liquid used to produce the flame of the lighter. This process is more difficult to implement than the previous one, especially if we want to use as combustible liquid a volatile flammable liquid stored under pressure, because it is necessary to ensure both a perfect mixture of the coloring agent in the flammable volatile liquid used and the correct and regular training of the coloring agent outside the lighter. in particular avoiding premature dissociation of the mixture during its relaxation, likely to cause fouling problems of the burner or irregular flame coloring.
  • Japanese publication JP-A-63 058 021 describes a lighter containing, in its tank, a coloring composition and a gas liquefied forming a distinct phase of the coloring composition and supernatant on it.
  • Document US-A-4895511 describes a colored flame lighter or fragrant comprising a compartment formed by a flexible bag containing an odorous or coloring liquid, a tank surrounding this bag and containing pressurized fuel, and lines to direct the fuel and the coloring or odorant liquid to an ignition station.
  • the present invention first relates to a new lighter allowing to use, for coloring the flame, a coloring agent mixed with a volatile flammable liquid stored under pressure in a same tank as the coloring agent.
  • the mixture of coloring agent and flammable volatile liquid does not form only one liquid phase in the tank.
  • the lighter includes a porous filter capable of relaxing the flammable mixture sent outside the tank at least partially in the liquid state to burn and means for feeding said porous filter with said mixture to liquid state.
  • a porous filter capable of relaxing the flammable mixture sent outside the tank at least partially in the liquid state to burn and means for feeding said porous filter with said mixture to liquid state.
  • at least one capillary is arranged in series with the porous filter.
  • a porous filter fed with the mixture flammable in liquid state and preferably associated with at least one capillary, makes it possible to bring the mixture at least partially to the state liquid outside the tank and thus avoids problems above by ensuring correct training of the coloring agent in outside the tank.
  • the relaxed mixture through the porous filter is sent to a vaporization duct located at the outside of the tank, and subjected when using the lighter to heat released by the flame.
  • the lighter comprises a capillary extending downstream of the porous filter to send the mixture to outside the tank after passing through the porous filter.
  • the internal diameter of the capillary extending downstream of the porous filter is between 0.25 and 0.4 mm.
  • the vaporization duct is formed by a tube connected end to end at one end to the capillary extending downstream of the porous filter, this tube having an internal diameter greater than the internal diameter of the capillary.
  • the tube has a curvilinear portion extending around the axis of the flame upwards and a free end opening into the axis of the flame.
  • the tube has, between its free end and said curvilinear portion a portion inclined downwards, so that said free end is located in below a plane perpendicular to the axis of the flame and tangent to said curvilinear portion.
  • the internal diameter of the tube is between 0.5 and 1 mm.
  • the conduit of vaporization is integrated into a part forming a flame guard.
  • the vaporization conduit is formed between two sheets stamped inserts against one another of the part forming a flame guard.
  • the capillary located downstream of the porous filter is connected at one end to the spray duct. The latter extends according to a convex curve towards the flame axis and connects to an outlet tube emerging along the axis of the flame, below a plane perpendicular to the axis of the flame and tangent above said curve.
  • the conduit of vaporization is traversed internally by a conducting wire of the heat, extending out of the conduit to the heart of the flame during use lighter.
  • the vaporization conduit is formed in a lighter shutter body.
  • compositions have been proposed for color the flame of a lighter.
  • the composition of the lighter according to the invention can include in solution in an alcohol a coloring agent suitable for giving by burning a desired color with a flame.
  • a coloring agent suitable for giving by burning a desired color with a flame.
  • the alcohol considered is advantageously methanol or ethanol.
  • the coloring agent can be a metal or alkali metal salt, a derivative of boric acid or a alkali metal oxide.
  • This composition can be used as such, mixed with butane from a gas lighter in the tank thereof, to be brought simultaneously with the gas outside the tank to burn; in variant, it can also undergo a treatment intended for its gelling for then be used as a gel in the gas outlet pipe of a lighter, to charge the gas with coloring agent in its passage; she can still serve to impregnate a support, for example a porous substance, placed in the lighter's gas outlet pipe to charge as it passes the gas as a coloring agent.
  • the invention also relates to a butane gas lighter incorporating such a composition, and a refill element for such lighter, in the form of a refill of liquid gas incorporating the composition, a gel or a support impregnated with the composition.
  • the composition contains between 19 g / l and 160 g / l of orthoboric acid in solution in methanol with a purity greater than or equal to 99.8%.
  • this composition is mixed directly with butane in the tank of the lighter, preferably 30% by mass of liquefied butane and 70% of a 40 g / l solution of orthoboric acid in methanol.
  • a solution of lithium formate in methanol with a concentration between 7 g / l and 10 g / l.
  • Methanol is preferably methanol whose purity level is 99.8% minimum.
  • compositions make it possible to give the flame a particularly stable color.
  • the composition is also perfectly stable, which makes it possible in particular to gel it, or to use it to impregnate a support.
  • combustion products are not toxic for the compositions described, giving the colors green and red.
  • the four lighters 100, 300, 500 and 700 according to the invention shown respectively in Figures 1, 3, 5 and 7 all show the same tank 10.
  • the three lighters shown respectively on the Figures 8, 11 and 14 each have a tank 1000. All these tanks are intended to contain a flammable mixture L stored under pressure, constituted in the present case by 30% by mass of liquefied butane and 70% of a 40 g / l solution of orthoboric acid in methanol. This mixture is intended to give the flame a green color, but we can of course choose, according to the color to be given to the flame, a composition different.
  • the reservoir 10 is formed by the union of a lower body of tank 11, symmetrical in revolution about an axis of symmetry X, open at its upper part, and an upper tank body 12 also symmetrical of revolution around the same axis, screwed onto the lower body 11.
  • a brick joint 13 is interposed radially between the upper body 12 and the lower body 11 to ensure the tight closure of the reservoir 10.
  • the upper body 12 of the reservoir 10 is crossed by a tapping 12f centered on the X axis, intended for mounting a burner part referenced respectively 130, 330 and 530 for the lighters represented on Figures 1, 3 and 5.
  • the internal thread 12f leads to a counterbore 12g at its end opposite to reservoir 10.
  • the burner part 130 shown in isolation in the figure 2B, has a generally symmetrical shape of revolution around a Y axis coinciding with the X axis when the trap 130 engages with the tapping 12f by means of a thread extending over a portion 131 of its length, from its lower front face 130a, and opening into the tank 10.
  • the part 130 has a collar 132 intended to come axially in abutment in the bottom of the counterbore 12g and, above the flange 132, a collar 137 of smaller radius than it, defining, with a shoulder 139 extending axially the collar 132 opposite the face lower frontal 130a, an annular recess 133 for receiving a seal sealing ring 150, intended to ensure a sealed closure of the burner as will be explained below.
  • Exhibit 130 presents above the flange 137 a cylindrical upper part 135.
  • Exhibit 130 is crossed along its length along the Y axis by a longitudinal channel 134 intended to receive a capillary 110. This longitudinal channel 134 opens onto the face upper frontal 130b, flat and perpendicular to the Y axis, of the part 130 to feed with flammable mixture L taken from the bottom of the tank 10 a porous filter 160 attached to the front face 130b.
  • the porous filter 160 is constituted in the example described by a ceramic tablet 160 bonded to the upper front face 130b.
  • This ceramic tablet 160 has a cylindrical shape of revolution around the Y axis, delimited axially by two plane front faces and perpendicular to the Y axis and extends the outer cylindrical surface of the upper part 135.
  • the ceramic tablet 160 is supplied with a mixture L via the capillary 110, straight and extending along the axis X, the lower end 110a of which is situated slightly above the bottom 11g of the tank 10 remains immersed in the mixture L until the virtual exhaustion of this last.
  • the capillary 110 extends in the channel 134 passing through the part 130 and its upper end 110b is located immediately under the patch in ceramic 160.
  • the capillary 110 is held axially in the channel 134 at by means of a drop of glue 120 placed in a cylindrical recess 138 formed on the lower front face 130a of the part 130.
  • the capillary 110 is a copper tube
  • the pellet in ceramic 160 has a height, measured along the Y axis between 1 and 5 mm and a diameter equal to 5 mm.
  • a stopper 140 covers the surface of the ceramic tablet 160 exposed to the open air to avoid departure of the mixture L.
  • This plug 140 shown in isolation in FIG. 2A, is internally stepped, fits tightly on the pad in ceramic 160 and the upper part 135 of part 130, and tightens so seal the seal 150, as shown in FIG. 1.
  • the flange 132 of the part 130 present on its front face upper two recesses 136, shown in top view according to the arrow It in FIG. 2C, diametrically opposite and intended for the engagement of complementary projections of a screwing tool for the part 130 in the tapping 12f.
  • the part 130 is preferably made of metal to resist the flame heat.
  • the tank 10 is filled, in the example of realization which has just been described as in the three others which will follow, starting by filling the interior of the lower body 11 with the solution alcoholic, then the upper body 12 being screwed in, injecting under pressure liquid butane in the tank 10 by means of a device filling known in itself and shown very schematically.
  • a device filling known in itself and shown very schematically.
  • This the latter includes a nozzle 20 communicating with the interior of the tank 10 and a non-return valve 30, supplied during filling by a pipe 40 in butane under pressure. After filling, the pipe 40 can be disconnected, the valve 30 opposing the departure of the mixture L contained in the tank 10.
  • the porous filter 160 is supplied with a flammable mixture by means of a capillary 110. This on the one hand, due to the pressure drop of the mixture, the running through, supplying the filter with a lower pressure than that prevailing inside the tank and on the other hand it avoids dissociation premature mixture circulating inside, keeping butane at liquid state.
  • the part 330 is threaded on a part 331 of its length for mounting in the thread 12f, and has a flange 332 intended to come axially into abutment in the bottom of the counterbore 12g with interposition of a sealing washer 14.
  • This collar 332 has, on its upper front face, two diametrically opposite recesses 336, shown in plan view according to arrow IV in FIG. 4C, for the engagement of complementary projections a screwing tool, not shown, of the part 130 in the internal thread 12f.
  • the collar 332 is extended axially, on the side opposite to threaded part 331, by a shoulder 339 defining with a second flange 337 a annular recess 333 for mounting an O-ring seal 350.
  • the part 330 has a planar upper face 330b and perpendicular to the axis Y ', and between the latter and the collar 337, a part cylindrical 335.
  • the part 330 is internally bored from its face lower front 330a to form a cylindrical housing 330c intended for receive a porous filter 360 and mounting means and supply of flammable mixture L thereof, as will be explained below.
  • the bottom of the housing 330c is located axially at the level of the flange 332, and communicates with the outside of the lighter through a channel 334 extending along the axis Y 'and opening at its upper end on the face frontal 330b.
  • the part 330 has a threaded part 338 extending axially between the lower end of the threaded part 331 and the face lower frontal 330a, projecting inside the tank 10, and used to mount a rod 310 for supplying flammable mixture L of the porous filter 360.
  • the rod 310 appears in the example described under the shape of a generally cylindrical body of revolution around the X axis, tapped at its upper end to engage by screwing on the part threaded 338. The latter of course has a diameter less than that of the threaded part 331 to allow the introduction of the part 330 in the internal thread 12f.
  • the length of the rod 310 is chosen so that its face lower front 310a cleaning with the bottom 11g of the tank 10 a space allowing the lower end 312 of a longitudinal channel 311 formed in the rod 310 to communicate with the interior of the reservoir 10.
  • the channel longitudinal 311, extending along the X axis, has a sufficiently large diameter large to oppose a reduced pressure drop to the mixture traversing it and opens at its upper end 313 into the bottom of the internal thread 314 receiving part 330.
  • the porous filter 360 is held inside the housing 330c between a lower support 390 and an upper support 370 both having a radially outer cylindrical surface, fitting tightly on the cylindrical surface of the housing 330c.
  • the support lower 390 is delimited axially by two front faces applying respectively against the bottom of the tapping 338 against the porous filter 360, and it is crossed along the X axis by a channel 391.
  • the upper support 370 shown in isolation in FIG. 4D, has a planar lower front face 372 perpendicular to the X axis, intended to rest on the porous filter 360, and a conical housing 371, open on the upper front face 373 of the support 370.
  • the section of the housing 371 narrows away from the upper front face 373 and the bottom of the housing 371 opens out with a hole 374 on the front face lower 372.
  • the porous filter 360 is in the form of a pellet ceramic, similar to the pastille 160 described above, cylindrical of revolution around the X axis, of diameter smaller than the diameter of the housing 330c but greater than the diameter of the longitudinal channel 312. It is axially delimited by two flat front faces perpendicular to the X axis, applying respectively to the lower supports 390 and higher 370.
  • a support cone 381 is engaged in the housing 371, and has a form complementary to the latter. This cone 381 is crossed along the X axis by a straight capillary 380, the lower end of which located in hole 374 immediately above the porous filter 360 and the upper end of which opens onto the upper front face 330b of Exhibit 330.
  • the stack formed by the lower support 390, the filter porous 360, the upper support 370 and the support cone 381 is immobilized axially between the bottom of the housing 330c and the bottom of the internal thread 314 by screwing the rod 310 on the threaded portion 338.
  • a plug 340 of shape similar to the stopper 140 previously described avoids mixing L with escape when the lighter is not in use.
  • the part 530 forming a burner, equipping the lighter 500 has a generally symmetrical shape of revolution around a Y axis '' coinciding, when the part 530 is mounted on the upper body 12, with the X axis.
  • This part is threaded over a part 531 of its length, from its face lower front 530a, to be screwed into the internal thread 12f, and has a collar 532 intended to come axially into abutment in the bottom of the counterbore 12g, with the insertion of a sealing washer 14.
  • the part of the part 530 extending above the flange 532 is identical to the part of the part 330 extending above the collar 332 and will not be described in new.
  • the part 530 has a conical housing 530c below, opening onto the lower front face 530a, and the section of which narrows away from it.
  • a longitudinal channel 534 crosses along the Y axis '' the part 530 from its upper front face 530b to the bottom of the housing 530c.
  • the length of the threaded part 531 is greater than that of the internal thread 12f so that the part 530 projects internally into the reservoir 10, for mounting a capillary 510. More particularly, the mounting of the capillary 510 is carried out by means of a first support cone 555, partially inserted in housing 530c. This cone 555 is maintained in place by screwing a retaining ring 550 on the threaded part 531 of the part 530 and has at its lower part a section greater than the opening section of housing 530c, so that a tight tightening of the cone in the housing 530c by screwing the ring 550.
  • the latter has two diametrically opposite recesses 551, intended to receive complementary projections of a screwing tool.
  • the support cone 555 is crossed by the capillary 510, extending above the cone 555 to the upper front face 530b in the channel longitudinal 534, and under the cone 555, through a hole 552 in the ring 550, until near a porous filter 560.
  • the latter is held in place near the bottom of the tank 10 by a support 520 fixed by its front face lower than the bottom 11g of the tank 10.
  • the porous filter is received in an internal housing 521, cylindrical of revolution about a Z axis, coinciding when the support is placed in the tank 10 with the X axis, and the filter 560 is maintained axially bearing against the bottom of the housing 521 by a ring 522 interposed axially between the porous filter 560 and the bottom 11g of the tank 10.
  • the ring 522 has diametrically opposite radial channels 522a, as shown in bottom view in FIG.
  • the support 520 is perforated radially so as to allow the mixture L to reach the inside of the ring 522 and the lower front face of the porous filter 560.
  • the latter is presented as in the previous embodiment in the form of a ceramic tablet, cylindrical of revolution.
  • the support 520 has a conical housing 523 above, opening onto its upper front face 520b.
  • Housing section 523 tapers towards the lower front face 520a and the bottom of the housing 523 communicates with a hole 524 with the bottom of housing 521.
  • a support cone 556 is partially inserted in the housing 523 to hold the lower part of the capillary 510 in place.
  • This cone 556 has at its upper part an upper section to the opening section of the housing 523 so that its front face upper protrudes above the upper front face of the support 520.
  • the cone 556 can then be clamped in the housing 523 by screwing a ring identical to ring 550 previously described, on an external thread 527 of support 520.
  • the end upper part of part 530 is capped by a plug 540 identical to the stopper 340 previously described.
  • the porous filter 560 located near the bottom of tank, remains submerged and permeated by mixture L until near exhaustion of it.
  • the mixture L passes through the radial passages 522a of the ring 522 and the openings in the support 520, is relaxed by passing through the porous filter 560 and enters the lower end of the capillary 510 to open at its end upper outside the lighter 500, partially in liquid form.
  • the lighter 700 shown in Figure 7 differs from the lighter 300 represented in FIG. 3 by the fact that the rod 310 and the lower support 390 are deleted, the rod 310 being replaced by a capillary 710, maintained by a cone 755 identical to the cone 555 previously described, partially engaged in support 770 identical to support 370 but mounted upside down in housing 330c, the new assembly being retained axially in the housing 330c by screwing a ring 750 identical to ring 550.
  • the lower end 710a of the capillary 710 opens near the bottom of the tank 10, to withdraw mixture L until the virtual exhaustion of the latter.
  • the capillaries used in the exemplary embodiments described on Figures 1 to 7 show an internal diameter of 0.25 mm. We can naturally change this diameter to adjust the flow of the mixture to any desired value.
  • the tank 1000 of lighters shown in Figures 8, 11 and 14 is formed by the assembly by screwing of a lower tank body and an upper tank body, with interposition of an O-ring 1005 sealing.
  • the lower tank body is identical for lighters shown in Figures 8, 11 and 14 and bears the reference 1001. This the latter is elongated along a longitudinal axis and also the general axis of symmetry T for the embodiments of FIGS. 8 to 14. It is also possible, well heard, adopt for the lower body of tank 1001 a section non-circular, oval for example.
  • the lower body 1001 is traversed at its base by a filling duct 1002, leading to a end in the bottom 1003 of it and at the other end on its surface radially outermost lateral.
  • a known non-return valve and not shown is disposed inside the conduit 1002 for the filling the tank.
  • a porous filter holder 1010 is mounted at the bottom end a capillary referenced respectively 1015, 1115 and 1215 for the achievements of Figures 8, 11 and 14. This capillary plunges into the tank 1000 and opens at its upper end out of the tank.
  • the support 1010 for a porous filter has the general form of a cylinder of revolution around an axis of symmetry R, crossed internally along this axis by a central light 1011 in which is engaged the capillary.
  • the central light 1011 opens at one end to the upper front face of the support 1010 and widens at the other end to form a housing 1013 opening onto the lower front face of the support 1010 and intended to receive a porous filter 1020, of the same type as those previously described.
  • the axis of symmetry R of the support 1010 is slightly inclined with respect to the longitudinal axis T of the lower body of tank 1001 so as to provide a space 1014 between the front face lower of support 1010 and bottom 1003 of lower tank body 1001, intended to allow the liquid mixture L to reach the filter porous 1020.
  • the latter comes axially into abutment in the bottom of the housing 1013 and it is held therein by sealing means 1021 applying to the radially outer surface of the 1020 filter and the surface radially internal to the housing 1013.
  • sealing means 1021 are constituted, in the embodiments described in Figures 8, 11 and 14 by an annular layer of tin, the porous filter 1020 being constituted by a ceramic tablet, tinned on its radially outer surface and the support 1010 being made of copper.
  • the porous filter 1020 can be provided on its periphery of a ring in "Teflon", which would be force-fitted into the housing 1013.
  • the capillaries 1015, 1115 and 1215 of the lighters shown in FIGS. 8, 11 and 14 are held, on leaving the support 1010, by a drop of solder or glue 1022 added to the front top of support 1010.
  • the capillary 1015 crosses the upper tank body, referenced 1030, inside a mounting piece 1040, symmetrical in revolution about a parallel U axis to the longitudinal axis T of the lower body 1001 of the tank.
  • the piece of mounting 1040 is engaged in a counterbore 1041 opening out from below in tank 1000.
  • This counterbore 1041 is extended above by a internal thread 1042, opening outside the upper tank body 1030.
  • the mounting piece 1040 has a lower part 1047 fitting into counterbore 1041, having on its radially outer surface a groove in which is placed an O-ring seal 1043 radially interposed between mounting piece 1040 and the surface radially internal of the counterbore 1041.
  • the mounting piece 1040 comprises a threaded upper part 1043 screwed into the thread 1042.
  • the capillary 1015 internally crosses along the U axis the mounting piece 1040 in favor a central light 1044, and it is immobilized in the mounting part 1040 by means of a drop of glue or solder 1045 attached to the face lower front thereof.
  • Capillary 1015 leaves the mounting part 1040 outside the lighter to describe a portion of a coil 1052 intended to recover part of the heat emitted by the flame.
  • a tube 1055 having an internal diameter greater than that of the capillary 1015 is attached end to end thereon, to constitute a vaporization pipe of the mixture.
  • the tube 1055 used has an external diameter identical to that of capillary 1015.
  • FIG. 9 shows the portion of coil 1052 and the tube 1055 forming a vaporization conduit, which extends the latter.
  • the capillary 1015 leaves rectilinear, along the U axis, the mounting piece 1040.
  • the corresponding portion has been referenced 1051a.
  • the U axis corresponds to the intersection of two planes perpendicular to each other, delimiting four quadrants respectively designated by Q1, Q2, Q3 and Q4, clockwise around the axis U in FIG. 10.
  • the portion 1051a extends in the first dial Q1 by a curvilinear portion 1051b describing with a view to above a U whose branches are oriented perpendicular to the plane separating the quadrants Q1 and Q2.
  • the curvilinear portion 1051b extends into the second quadrant Q2 upwards by a portion 1053 describing substantially a helical arc at an angle of approximately 75 ° around the axis U.
  • the capillary 1015 cuts perpendicularly the plane separating the quadrants Q1 and Q2.
  • the junction plane between the capillary 1015 and the tube 1055 contains the axis of symmetry U and forms an angle of about 75 ° with the plan delimiting the Q1 and Q2 dials.
  • the 1053 portion is extended by a portion 1056 of the tube 1055 describing the same helix as the portion 1053, on an angle of approximately 115 ° around the U axis.
  • portions 1053 and 1056 describes approximately in top view a semicircle centered on the U axis and extends parallel to a plane P inclined on the U axis by 75 °.
  • the portion 1056 extends clockwise in Figure 10, from the junction plane between quadrants Q3 and Q4, by a curvilinear portion 1057 terminated by an outlet section 1059 coaxial with the U axis and it is located under the plane tangent to the union of portions 1053 and 1056 and parallel to plane P.
  • the output section 1059 is thus located below a plane P 'perpendicular to the axis U and tangent above the portion 1056 of the tube 1055.
  • the internal diameter of the tube 1055 forming a vaporization duct is between 0.5 and 1 mm and the internal diameter of the capillary is 0.33 mm.
  • the U axis also corresponds to the axis of the flame when the lighter is lit, this axis being vertical in normal conditions of use.
  • a push-button shutter 1061 is articulated around a axis 1062 on a support 1060 attached to the upper tank body 1030.
  • the axis 1062 is contained in a plane perpendicular to the axis longitudinal T.
  • the pusher 1061 has opposite the end 1061a, at handle by the user, a tab 1062 bent downwards to cover, when the pusher is at rest, the capillary 1015 and the tube 1055 and protect them.
  • This tab 1062 is provided on its lower surface with a seal 1063 being applied, when no pressure is exerted on the pusher 1061, on the outlet section 1059 of the tube 1055 to close it.
  • the angular movement of the pusher 1061 is worth 80 °.
  • the push-button 1061 is returned to the closed position, so known per se, by a spring not shown.
  • a wheel 1064 is rotatably mounted on the support 1060 around an axis parallel to the axis 1062 and a lighter stone 1066 is pressed under the knurl 1064, in a manner known per se, for producing ignition sparks when the wheel is rotated by the user.
  • the stone to 1066 lighter is slidably mounted in a 1067 blind bore in the upper tank body 1030 and it is called up against the wheel 1064 by a return spring not shown, working in compression between the bottom of the blind hole 1067 and the lateral face lighter stone bottom 1066.
  • the capillary, referenced 1115 passes through the upper tank body 1130 at the favor of a stepped passage 1131.
  • This passage 1131 cylindrical of revolution around an axis parallel to the T axis, opens at its upper end to the outside of the lighter and at its lower end widens to form a housing 1133 opening below into the tank 1000.
  • the housing 1133 accommodates a sealing part 1140 traversed axially by the capillary 1115.
  • the sealing part 1140 has a shape generally symmetrical of revolution, and it has on its surface radially external an annular groove intended to receive a seal O-ring seal 1142. The latter is inserted radially between the part 1140 and the housing 1133.
  • the seal between the capillary 1115 and part 1140 is provided by a drop of glue or solder 1141, applied on the capillary and the lower front face of the part 1140.
  • the capillary 1115 extends perpendicular to the longitudinal axis T at its exit from the body tank top 1130 on the outside of the lighter, then describes a bend at 90 ° to connect to an 1160 vaporization duct.
  • the capillary extends above the upper tank body 1130 parallel to a plane containing the longitudinal axis T and referenced P '' 'in Figure 13.
  • the vaporization conduit is formed in the embodiment example Figures 11 to 13 inside a flame protector 1150 showing in view from above, as shown more particularly in FIG. 13, the shape of a U whose concavity is turned towards an axis W parallel to the axis longitudinal T of the lower body of the tank 1001, and whose branches extend parallel to the plane P '' '.
  • the 1150 flame protector consists of two stamped sheets added against each other and forming between them the aforementioned vaporization conduit 1160. The latter has an internal diameter greater than that of the capillary and preferably between 0.5 and 1 mm.
  • the vaporization duct 1160 extends, in the curvilinear part of the U, parallel to a plane perpendicular to the W axis then, in the branch of the U opposite to that in which the capillary 1115, downward in approach to the upper body of tank 1130.
  • the pipe 1160 is connected to the base of the flame guard 1150, to an outlet tube 1155 describing a right angle bend, and the section of which outlet 1156 is coaxial with the axis W.
  • the seal between the capillary 1115 and the vaporization pipe 1160 formed inside the flame guard 1150 is done by clamping the capillary between stamped portions of the two sheets constituting it.
  • the exit section 1156 is located under the plan tangent above the spray duct 1160, so that this the latter is subjected, during the operation of the lighter, to the heat released by the flame.
  • a shutter actuated by push button 1161 is articulated around a axis 1162 on a support 1163 attached to the upper tank body 1130.
  • a wheel 1164 is mounted for rotation about an axis parallel to the axis 1162 for rubbing, in a manner known per se, on a lighter stone 1166 disposed in a blind bore 1167 of the upper tank body 1130. This stone 1166 is brought back against the wheel 1164 by a spring working in compression and not shown.
  • the 1161 pusher drives in rotation two branches 1161b which extend away from the part 1161a by the user, on either side of a median plane of the dial perpendicular to its axis. These two branches 1161b are joined by a bridge of material 1161c at their end opposite to part 1161a.
  • a joint 1163 intended to be applied to the outlet section 1156 of the tube 1155 for sealing it when the pusher is at rest, is disposed under the material bridge 1161c.
  • the pusher 1161 is returned to the closed position by a spring
  • the capillary 1215 is inserted at its upper end in a support piece 1240.
  • This piece support 1240 has a lower part 1245 and an upper part 1241 assembled by screwing, after mounting inside the two parts an internal valve body 1250 and a return spring 1252 of this latest.
  • the internal valve body 1250 is slidably guided by the support piece 1240 along an axis V parallel to the longitudinal axis T of the body lower of tank 1001.
  • the upper part 1241 has the general shape an internally and externally threaded sleeve, narrowed internally at its upper end through which the valve body passes 1250 to form a radially internal collar 1243.
  • the part 1241 is screwed into a 1233 thread on the upper body of tank 1230 up to axial stop against a transverse shoulder 1231 delimiting said thread from below.
  • This 1233 internal thread is extended by below the shoulder 1231 by a cylindrical surface 1232 of revolution around the y axis, having an internal diameter smaller than that of the internal thread 1233 and opening below into the tank 1000.
  • the lower part 1245 of the support piece 1240 is threaded to its upper end 1246 for engaging by screwing inside the upper part 1241. It was internally bored in 1247 from its front face, about a third of its length, to receive the end upper part of capillary 1215. The latter is held in bore 1247 by a drop of solder or glue 1248.
  • the lower part 1245 of the piece of support 1240 is internally bored in a stepped manner in 1249 from its face upper front for sliding guide of the internal valve body 1250.
  • a seal 1251, mounted at the lower end of the inner body of valve 1250, is recalled by the action of spring 1252 in the bottom of the bore 1249.
  • the capillary 1215 communicates with the bottom of the bore 1249 by a channel 1244 coaxial with the V axis and having a diameter equal to the diameter internal of the capillary 1215.
  • the internal valve body 1250 is bored internally in 1255 over its entire length from joint 1251 to its upper end of the mixture ejection.
  • joint 1251 is peeled off from the bottom of bore 1249, by action on a pusher 1270, as will be specified below, the mixture leaves the lighter through bore 1255 forming also vaporization duct.
  • the mixture in accordance with the invention, opens out of the tank 1000 via the capillary 1215, into the body valve interior 1250, at least partially in the liquid state.
  • a rod heat conductor 1260 intended to ensure complete vaporization of the mixture before this denarius leaves the internal valve body 1250 for burn, extends inside bore 1255 and has at its end lower one foot anchored in the internal valve body 1250.
  • the latter is externally shouldered to form a bearing surface for the end lower spring 1252, the upper end thereof retained by the internal collar 1243 of the upper part 1241 of the part support 1240.
  • a radial channel 1256 is provided to allow passage of mixture L in the central bore 1255 of the internal valve body when the latter is moved upwards by the pusher 1270 and that the seal 1251 no longer closes channel 1244.
  • the internal valve body 1250 is provided at its end upper extending outside the support piece 1240 of a flange radially projecting outwards, under which is applied the edge of a bore in a branch of pusher 1270, intended to lift the body 1250 and cause the mixture L to leave through the central bore 1255.
  • the control button 1270 is rotatably mounted on an attached support 1280 or come from training on the upper tank body 1230, around a axis perpendicular to the longitudinal axis T of the lower tank body 1001.
  • the lighter shown in FIG. 14 is equipped with a wheel 1290 and of a 1300 lighter stone identical to that previously described and of which the description will not be repeated.
  • the upper end of the rod 1260 protrudes above the inner valve body 1250 from so as to extract the heat from the heart of the flame.
  • the mixture arrives at least partially liquid outside the tank 1000 in the vaporization pipes 1055, 1160 and 1255 which have just been described, subjected to the heat of the flame.
  • These conduits have an internal diameter greater than that of the respective capillaries 1055, 1115 and 1215 located upstream of these conduits, so as to avoid overpressure, under the effect of the heat given off by the flame, which would lead to an extinction of the latter.
  • the porous filters described consist of pellets of ceramic advantageously having a porosity of between 1 and 10 ⁇ m, the porosity being defined here as the minimum particle size, contained in a liquid which would pass through the ceramic, which would retained by the latter. This porosity is high enough not to not filter the coloring agent used and sufficiently weak so that the crossing of the porous filter is accompanied by a pressure drop allowing properly relax the mixture.
  • the invention makes it possible to use to color the flame a lighter a coloring agent mixed with a volatile liquid flammable stored under pressure, thanks to the use of a porous filter to relax the mixture sent, at least partially in the liquid state, i.e. in the form of a gas-liquid mixture, outside the tank for burn.
  • This porous filter is fed by the mixture in the liquid state and under pressure, preferably by means forming a conduit withdrawing the liquid at the bottom of the tank as described.
  • Using a capillary upstream of the porous filter advantageously makes it possible to add a loss of additional charge and to decrease the pressure of the mixture L arriving on the porous filter.
  • the porous filter is preferably placed above the level of mixture L in the tank, when the lighter is in its normal position of use, i.e. with the vertical X axis, as shown in Figures 1, 3 and 7.
  • the porous filter is constantly submerged in the mixture.
  • the use, in the embodiments of Figures 3, 5 and 7 of a capillary downstream of the porous filter allows to add a pressure drop additional.
  • two capillaries placed respectively upstream and downstream of the filter, the appearance too high differential pressure on either side of the latter.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lighters Containing Fuel (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)

Claims (25)

  1. Feuerzeug mit gefärbter Flamme, welches einen Behälter (10; 1000) aufweist, der dafür geeignet ist, ein unter Druck stehendes Gemisch (L) aus einem Färbemittel und einer entflammbaren, leicht flüchtigen Flüssigkeit aufzunehmen, dadurch gekennzeichnet, daß das Feuerzeug einen porösen Filter (160; 360; 560; 1020) umfaßt, welche geeignet ist, den Druck des nach außen von dem Bebälter geleiteten Gemlsches in wenigstens teilweise flüssigem Zustand zu reduzieren, uni zu brennen, und Vorrichtungen, um den porösen Falter mit dein Gemisch (L) in flüssigem Zustand zu versorgen.
  2. Feuerzeug gemäß Anspruch 1, dadurch gekennzeichnet, daß wenigstens eine Kapillare (110; 380; 510; 710; 1015; 1115; 1215) in Reiher mit dein porösen Filter angeordnet ist.
  3. Feuerzeug gemäß einem der Ansprüche 1 und 2, dadurch gekennzeichnet, daß der poröse Filter (560; 1015; 1115; 1215) in normaler vertikaler Position des Feuerzeugs in das Gemisch (L) des Behälters eingetaucht ist.
  4. Feuerzeug gemaß einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß es eine Kapillare (1015; 1115; 1215) aufweist welche sich unterstromig von dem porösen Filter erstreckt, um das Gemisch nach außen von dem Behälter zu leiten, nachdem es den porösen Filter durchquert hat.
  5. Feuerzeug gemäß Anspruch 4, dadurch gekennzeichnet, daß der Innendurchmesser der Kapillaren (1015; 1115; 1215), welche sich unterstromig von dem porösen Filter erstreckt, zwischen 0,25 und 0,4 nun liegt.
  6. Feuerzeug gemäß einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß es einen Zenstäubungskanal (1055; 1160; 1255) aufweist, welcher außerhalb des Behälters (1000) angeordnet ist und mit dem durch den porosen Filter (1020) vom Druck entlasteten Gemisch (L) versorgt wird, wobei dieser Zerstäubungskanai während der Benutzung des Feuerzeugs der Hitze der Flamme ausgesetzt wird.
  7. Feuerzeug gemäß den Ansprüchen 4, 5 und 6, dadurch gekennzeichnet, daß der Zerstäubungskanal von einer Röhre (1055) gebildet ist, welche an einem Ende stumpf gestoßen an die Kapillare (1015) angeschlosson ist; welche sich unterstromig von dem porösen Filter erstreckt, wobei diese Röhre (1055) einen Innendurchmesser aufwiest welcher größer als der Innendurchmesser der Kapillaren ist.
  8. Feuerzeug gemäß Anspruch 7, dadurch gekennzeichnet, daß die Röhre (1055) einen gebogenen Bereich (1056), welcher sich um die Achse (U) der Flamme nach oben erstreckt, und ein freies Ende (1059) aufweist, welches in die Achse (U) der Flamme mündet.
  9. Feuerzeug gemäß Anspruch 8, dadurch gekennzeichnet, daß die Röhre (1055) zwischen ihrem freien Bude (1059) und dem gebogenen Bereich (1056) einen nach unten geneigten Bereich (1057) aufweist, so daß sieh das freie Ende (1059) diesseits einer Ebene (P') anordnet, welche senkrecht zu der Achse (U) der Flamme und den gebogenen Bereich (1056) tangierend angeordnet ist.
  10. Feuerzeug gemäß einem der Ansprüche 8 und 9, dadurch gekennzeichnet daß der Innendurchmesser der Röhre (1055) zwischen 0,5 und 1 mm beträgt.
  11. Feuerzeug gemäß Anspruch 6, dadurch gekennzeichnet, daß der Zerstänbungskanal (1160) in ein Teil eingebaut ist, welches einen Flammenschutz (1150) bildet.
  12. Feuerzeug gemäß Anspruch 11, dadurch gekennzeichnet, daß der Zerstäubungskanal (1160) zwischen zwei aneinandergesetzten Buckelblechen des den Flammenschutz (1150) bildenden Teils anagebildet ist.
  13. Feuerzeug gemäß Anspruch 12, dadurch gekennzeichnet, daß die Kapillare (1115), welche unterstromig von dem porösen Filter angeordnet ist, an einem Ende an den Zerstäubungskanal (1160) angeschlossen ist, und daß dieser letzrore sich gemäß einer zu der Achse (W) der Flamme hin konvex ausgerichteten Kurve erstreckt und sich an eine Ausgangsröhre (1155) anschließt, weiche gemäß der Achse (W) der Flamme diesseits einer zu der Achse der Flamme senkrecht liegenden Ebene mündet und oberhalb die Kurve tangiert.
  14. Feuerzeug gemäß Anspruch 6, dadurch gekennzeichnet, daß der Zerstäubungskanal (1255) innen von einem - Leitungsdraht (1260) für die Wärme durchlaufen wird, welcher sich während der Benutzung des Feuerzeugs aus dem Kanal (1255) hinaus in die Mitte der Flamme erstreckt.
  15. Feuerzeug gemäß Anspruch 14, dadurch gekennzeichnet, daß der Zerstäubungskanal (1255) in einem Verschlußkörper für das Feuerzeug ausgebildet ist.
  16. Feuerzeug gemäß einem der Ansprüche 1 bis 15 mit einem Gemisch, welches von einer Zusammensetzung gebildet ist, welche in Lösung in einem Alkohol ein Färbemittel aufweist, welches geeignet ist, beim Bremen der Flamme die gewünschte Farbe zu verleihen, dadurch gekennzeichnet, daß sie direkt mix der entflammbaren, leicht flüchtigen Flüssigkeit, wie Butan, in dem Behälter gemischt wird.
  17. Feuerzeug gemäß Anspruch 16, dadurch gekennzeichnet, daß der Alkohol Methanol oder Ethanol, vorzugsweise Methanol ist, welches einen Reinheitsgrad von mehr als 99,8% aufweist.
  18. Feuerzeug gemäß einem der Ansprüche 16 und 17, dadurch gekennzeichnet, daß das Färbemittel ein Metallsatz oder Alkalimetall ist.
  19. Feuerzeug gemäß einem der Ansprüche 16 und 17, dadurch gekennzeichnet, daß es zwischen 19 g/l und 160 g/l Orthoborsäure in Lösung in Methanol aufweist, dessen Reinheitsgrad größer oder gleich 99,8% ist.
  20. Feuerzeug gemäß einem der Ansprüche 16 und 17, dadurch gekennzeichnet, daß es zwischen 7 g/l und 10 g/l Lithiumformat in Lösung in Methanol aufweist, dessen Reinheitsgrad größer oder gleich 99,8% ist
  21. Feuerzeug gemäß einem der Ansprüche 16 bis 20, dadurch gekennzeichnet, daß es 40 g/l Orthoborsäure in Lösung in Methanol aufweist, und daß das Butan in dem Behälter in einem Verhältnis von zwischen 20 und 80 Massenanteilen vorliegt.
  22. Feuerzeug gemäß Anspruch 21, dadurch gekennzeichnet, daß das Butan in dem Behälter in dem Verhältnis von 30 Massenanteilen und die Zusammensetzung in dein Verhältnis von 70 Massenanteilen vorliegt.
  23. Feuerzeug gemäß einem der Ansprüche 16 bis 20, dadurch gekennzeichnet daß die Zusammensetzung in Gelform verwendet wird.
  24. Feuerzeug gemäß einem der Ansprüche 16 bis 20, dadurch gekennzeichnet, daß die Zusammensetzung dafür verwendet wird, ein Trägormaterial zu imprägnieren.
  25. Nachfüllelement für Feuerzeug gemäß einem der Ansprüche 1 bis 24, welches eine Zusammensetzung, wie in einem der Ansprüche 16 bis 24 definiert, beinhaltet, entweder in Form einer flüssigen Gasnachfüllung, welche die Zusammensetzung beinhaltet, oder in Form eines Gels, oder auch in Form eines mir der Zusammensetzuung imprägnierten Nachfüllelements.
EP95902815A 1993-11-30 1994-11-30 Feuerzeug mit gefärbter flamme und farbzusammensetzung dafür Expired - Lifetime EP0746726B1 (de)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
FR9314300A FR2713313B1 (fr) 1993-11-30 1993-11-30 Briquet à flamme colorée.
FR9314300 1993-11-30
FR9402768A FR2713314B1 (fr) 1993-11-30 1994-03-10 Briquet perfectionné à flamme colorée.
FR9402768 1994-03-10
FR9408754 1994-07-13
FR9408754A FR2713315B1 (fr) 1993-11-30 1994-07-13 Composition pour colorer la flamme d'un briquet à gaz butane, briquet et élément de recharge incorporant une telle composition.
PCT/FR1994/001397 WO1995015464A1 (fr) 1993-11-30 1994-11-30 Briquet perfectionne a flamme coloree, composition colorante a cet usage et element de recharge

Publications (2)

Publication Number Publication Date
EP0746726A1 EP0746726A1 (de) 1996-12-11
EP0746726B1 true EP0746726B1 (de) 2000-05-10

Family

ID=27252833

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95902815A Expired - Lifetime EP0746726B1 (de) 1993-11-30 1994-11-30 Feuerzeug mit gefärbter flamme und farbzusammensetzung dafür

Country Status (7)

Country Link
US (1) US5984669A (de)
EP (1) EP0746726B1 (de)
AT (1) ATE192841T1 (de)
AU (1) AU701550B2 (de)
CA (1) CA2189966A1 (de)
DE (1) DE69424445D1 (de)
WO (1) WO1995015464A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2780769B1 (fr) * 1998-07-03 2000-09-29 Lacroix Soc E Briquet destine a generer une flamme de couleur controlee
US6532965B1 (en) 2001-10-24 2003-03-18 Brown & Williamson Tobacco Corporation Smoking article using steam as an aerosol-generating source
US11040568B1 (en) 2020-06-25 2021-06-22 Ch Hanson Co Convertible apparatus for sharpening marking instruments

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1036482A (fr) * 1951-05-04 1953-09-08 Dispositif applicable aux briquets, allumeurs, lampes et objets analogues
US3152460A (en) * 1962-08-29 1964-10-13 Firefly Lighter Inc Butane fueled lighter having throwaway plastic canister
AT253828B (de) * 1964-07-06 1967-04-25 Karat Werk Metall U Plastikwar Brennereinsatz für Gasfeuerzeuge
US3439993A (en) * 1967-08-25 1969-04-22 Isaac Neufeldt Vapourizing burner for pressurized liquid fuels
US3523005A (en) * 1968-05-20 1970-08-04 Butane Match Corp Of America Gas lighter construction
FR2137687B1 (de) * 1971-05-10 1975-03-21 Hattori Masanobu
FR2371633A1 (fr) * 1976-11-19 1978-06-16 Dupont S T Appareil a gaz liquefie, notamment briquet a gaz pour fumeurs
US4375954A (en) * 1979-12-26 1983-03-08 Roger Trudel Oil and gas combination nozzle
JPS6358021A (ja) * 1986-08-27 1988-03-12 Seibu Gas Kk ガスライタ−及びガスライタ−用燃料
FR2615597A1 (fr) * 1987-05-20 1988-11-25 Witzig Patrick Perfectionnements apportes aux briquets en vue d'obtenir une flamme de couleur franche
US4895511A (en) * 1988-10-24 1990-01-23 Schmid Ronald W Color or scent modified flame pocket lighters
FR2650370A1 (fr) * 1989-07-28 1991-02-01 Patrick Witzig Nebulisateur-etui pour colorer les flammes des briquets a hydrocarbures liquides ou gazeux
FR2650876A1 (fr) * 1989-08-14 1991-02-15 Witzig Patrick Bougie a gaz liquefie dont la cartouche de gaz contient un reservoir souple d'alcool + sels colorant la flamme, pour colorer celle-ci par pulverisation
JPH04240311A (ja) * 1991-01-23 1992-08-27 Vacuum Metallurgical Co Ltd ガスライター
FR2675243A1 (fr) * 1991-03-19 1992-10-16 Balland Benoit Coloration de la flamme d'un bruleur a hydrocarbure(s), liquefie(s), ou non.

Also Published As

Publication number Publication date
EP0746726A1 (de) 1996-12-11
DE69424445D1 (de) 2000-06-15
AU701550B2 (en) 1999-01-28
US5984669A (en) 1999-11-16
AU1192995A (en) 1995-06-19
ATE192841T1 (de) 2000-05-15
CA2189966A1 (fr) 1995-06-08
WO1995015464A1 (fr) 1995-06-08

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