EP0361988B1 - Schischuh mit Heizeinrichtung - Google Patents

Schischuh mit Heizeinrichtung Download PDF

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Publication number
EP0361988B1
EP0361988B1 EP89402163A EP89402163A EP0361988B1 EP 0361988 B1 EP0361988 B1 EP 0361988B1 EP 89402163 A EP89402163 A EP 89402163A EP 89402163 A EP89402163 A EP 89402163A EP 0361988 B1 EP0361988 B1 EP 0361988B1
Authority
EP
European Patent Office
Prior art keywords
shoe
shoe according
gas
burner
branch
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
EP89402163A
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English (en)
French (fr)
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EP0361988A1 (de
Inventor
Philippe Billet
Jean-Louis Demarchi
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.)
Salomon SAS
Original Assignee
Salomon SAS
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Filing date
Publication date
Application filed by Salomon SAS filed Critical Salomon SAS
Priority to AT89402163T priority Critical patent/ATE87439T1/de
Publication of EP0361988A1 publication Critical patent/EP0361988A1/de
Application granted granted Critical
Publication of EP0361988B1 publication Critical patent/EP0361988B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/02Footwear with health or hygienic arrangements with heating arrangements 
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00Footwear characterised by the shape or the use
    • A43B3/34Footwear characterised by the shape or the use with electrical or electronic arrangements
    • A43B3/38Footwear characterised by the shape or the use with electrical or electronic arrangements with power sources
    • A43B3/42Footwear characterised by the shape or the use with electrical or electronic arrangements with power sources where power is generated by conversion of mechanical movement to electricity, e.g. by piezoelectric means

Definitions

  • the present invention relates to an alpine or touring ski boot provided with a heating device.
  • Ski boots are already known in which are incorporated, in order to improve the comfort of the wearer, heating devices either of the electric type, with heating resistance, or of the solid fuel type, or even of the liquid fuel type. or gaseous, using, in this case, a fuel tank and a burner housed in the shoe.
  • heating devices either of the electric type, with heating resistance, or of the solid fuel type, or even of the liquid fuel type. or gaseous, using, in this case, a fuel tank and a burner housed in the shoe.
  • a boot and in particular a ski boot which is provided with a solid fuel heating device.
  • the fuel is in the form of a bar housed, in a removable manner, in a combustion chamber provided in the upper part of the upper of the shoe and which can be easily replaced when the fuel is exhausted.
  • Liquid or gaseous fuel heating devices have the advantage, compared to electric devices, of obtaining greater autonomy and ensuring, for a relatively long period of time, the desired comfort temperature at inside of the shoe.
  • Heating devices using liquid fuel generally include a rechargeable liquid fuel burner, which is arranged under a diffusion plate heat incorporated into the sole of the shoe so as to extend as close as possible to the foot of the wearer of the shoe.
  • Other heaters that use gaseous fuel comprise a gas reservoir supplying, through a valve, a catalytic burner, all of these elements also being housed entirely in the sole of the shoe.
  • gaseous fuel heating devices are described, for example, in the Italian utility model 196850 and in the international patent application WO86 / 05663.
  • These gas fueled heating devices are of the type with a rechargeable gas tank and it is therefore necessary to provide, in the sole of the shoe which contains the tank, an orifice through which the internal gas tank can be connected to a external gas recharge source.
  • the present invention aims to remedy these drawbacks by providing a shoe provided with a heating device of particularly simple design, with high energy efficiency, long service life and particularly convenient use.
  • this alpine or touring ski boot provided with a heating device, comprising a heating assembly housed in the sole of the boot, this heating assembly comprising a catalytic burner and a heat diffusion plate placed in the support area of the foot of the shoe wearer, a source of combustible gas connected to the catalytic burner by means of a regulator, and a device heating control, is characterized in that the fuel gas source consists of an interchangeable gas cartridge engaged in a receiving housing provided on the rear part of the upper of the shoe, outside or inside of the latter, this receiving housing being produced in the form of a prismatic or cylindrical housing open at its upper end and in which the cartridge is engaged from top to bottom, with its gas outlet orifice directed downwards.
  • Figure 1 is a schematic elevational view, partially in section, of an alpine ski boot provided with a heating device according to the invention.
  • Figure 2 is a sectional view taken along line II-II of Figure 1.
  • Figure 3 is a perspective view, taken from the rear of an alpine ski boot of the rear entry type.
  • Figure 4 is a vertical and longitudinal sectional view of the heating assembly housed in the sole of a shoe according to the invention.
  • Figure 5 is a vertical and longitudinal sectional view, on a larger scale, of an embodiment of the control device of the heating device, in the open position of the gas supply valve.
  • FIG. 6 is a perspective view of the control device of FIG. 5.
  • Figure 7 is a vertical and longitudinal sectional view of an alternative embodiment of the heating device control device.
  • FIG. 8 is a schematic view of an embodiment of a device for regulating the temperature by controlling the opening of the gas.
  • Figures 9.9A and 9B are schematic views of an alternative embodiment of a temperature control device, during different operating phases.
  • Figures 10,10A and 10B are schematic views of an alternative embodiment of a temperature control device, during different operating phases.
  • Figures 11, 12 and 13 are views in vertical and transverse section illustrating various devices for visualizing the operation of the burner.
  • FIG. 14 is a plan view of the bimetal control system used in the embodiment illustrated in FIG. 13.
  • the alpine ski boot 1 which is shown diagrammatically in FIGS. 1 to 4, comprises, in its sole 1, a heating assembly 2 which essentially consists of a catalytic burner 3 associated with a heat diffusion plate 4.
  • L heating assembly 2 is housed in a suitably shaped recess which is provided in the upper part of the sole 1 of the shoe, this recess being shaped so that the heat diffusion plate 4 which constitutes the upper part of the assembly heating 2, covers most of it of the foot support area.
  • the burner 3 is fixed to the diffusing plate 4 by any appropriate means, in particular by welding and it is integral with the underside of the plate 4, that is to say that which is opposite to that in contact with the inner sole 5 which needs to be heated.
  • the catalytic burner 3 can be of any known type ensuring the combustion of a gas by catalysis.
  • the burner 3 is connected to a gas supply pipe 7.
  • an electrode 9 forming part of an ignition device, for example of the piezoelectric type.
  • the upper 11 of the shoe which can be made in one or more parts, carries, on its rear wall, a housing 12 intended for receiving and maintaining an interchangeable gas cartridge 13.
  • the ski boot is of the rear boot type and its upper 11 consists of two parts, namely a front cuff 11a and a rear cover 11b hinged at the bottom, around a horizontal and transverse axis .
  • the receiver housing 12 for the gas cartridge 13 is provided on the rear face of the rear cover 11b and it advantageously comes from molding with the latter, if the latter is made of molded plastic.
  • the receiving housing 12 is preferably made in the form of a prismatic or cylindrical housing open at its upper end and in which the cartridge 13 can be engaged from top to bottom, with its gas outlet orifice directed downwards.
  • an assembly 15 forming a pressure reducer and a valve to which an ambient air inlet device 16 is connected, to form downstream a gas-air mixture suitable for combustion.
  • the heating device also comprises an ignition device which comprises, for example, a piezoelectric igniter 17 excited by action on a pusher 18 and which is connected by a conductor 19 to the electrode 9 in order to produce a spark of ignition by means of this electrode.
  • an ignition device which comprises, for example, a piezoelectric igniter 17 excited by action on a pusher 18 and which is connected by a conductor 19 to the electrode 9 in order to produce a spark of ignition by means of this electrode.
  • the upper external end of the gas cartridge 13 is housed in a movable cap 21 which is slidably engaged in the upper part of the housing 12.
  • this cap 21 is in abutment on the one hand on the upper bottom of the gas cartridge 13 and on the other hand on the pusher 18 of the piezoelectric igniter 17.
  • the lower or internal end of the gas cartridge 13 is supported on a piston 22 slidably mounted in the housing 12 and which is pushed elastically upwards by a compression spring 23 disposed between the piston 22 and the bottom of the housing 12
  • This piston 22 carries, in its central part, the pressure reducing valve 15 whose outlet is connected to the air intake 16.
  • This air intake 16 is advantageously constituted by a venturi in the axis of which the mixture is injected gaseous exiting the regulator 15, in order to cause the suction of air, by induction, from the outside.
  • the venturi constituting the air intake 16 is connected to the pipe 7 which is flexible, at least in part, so as to be able to follow the angular movement of the rear cover 11b during the opening and closing movement of the latter.
  • the space in which the air intake 16 is housed communicates with the outside by means of one or more openings 24 formed in the wall of the housing 12 containing the cartridge 13. Across each inlet opening d 'air 24 extends a filter element made of any material permeable to air but impermeable to foreign bodies from the environment, in particular to snow.
  • the wearer of the boot first opens the regulator-tap assembly 15, placing it in a start-up or choke position in which a high flow rate of mixture of combustible gas and air is supplied by the hose. 7 to the burner 3. Then the wearer of the shoe presses on the cap 21 so as to push the gas cartridge 13 towards the bottom of the housing 12, against the spring 23. This movement results in the depression of the pusher 18 and consequently by the emission, by the piezoelectric igniter 17, of an electric pulse transmitted to the electrode 9 which then produces a spark. This spark causes the ignition of the combustible gas in the catalytic burner 3 and the formation of a flame.
  • the interchangeable gas cartridge 13 is mounted inside the rear wall of the upper 11 of the shoe which, in this embodiment, consists of 'only one part.
  • the valve-regulator assembly 15 to which the pipe 7 supplying the burner 3 of the heating assembly 2 is connected.
  • the heating control device comprises a control button 25 which can slide "vertically""outside the rear wall of the rod 11. In the description which follows, the direction of the rear wall of the rod 11 will be considered to be” vertical ", whereas this wall may in fact be slightly inclined forward.
  • the control button 25 is fixed to a tab 26 extending through a vertical slot 27 formed in the rear wall of the rod 11.
  • the tab 26 constitutes the external extension of the upper horizontal wing of a voluntary unlocking plate 28 C-shaped open rearward, extending vertically.
  • the voluntary unlocking plate 28 carries, at its upper end, a bracket 29 which is fixed to the plate by a vertical wing and whose horizontal wing extends a short distance, in the gas closed position, which is shown on Figure 6, above the pusher upper 18 of the piezoelectric igniter 17 fixed to the rod 11.
  • the lower horizontal wing of the voluntary unlocking plate 28 is extended downwards by a bar ending in an unlocking ramp 31 which acts on the core upper horizontal 32a of a locking spring 32 in the form of a loop or an inverted U. This locking spring 32 is fixed to the lower part of the upper 11 or to the bottom of the boot shell.
  • the heating control device also comprises a second locking plate 33 which is attached to the voluntary unlocking plate 28 and which has a C shape open towards the rear.
  • the two plates 28 and 33 are coupled to each other by means of guide pins 34 provided on the core of one of the plates, in this case on that of the voluntary unlocking plate 28, which are engaged in slots 35 formed in the core of the other plate 33, these slots 35 being aligned and elongated vertically.
  • the lower horizontal wing of the locking plate 33 is extended downwards by a bar which ends, by a locking hook 36 capable of coming to grip under the core 32a of the locking spring 32.
  • the plate locking 33 carries, at its lower part, a projecting tab 33a which actuates from below, a finger 15a for controlling the valve 15 controlling the opening and closing of this valve, this finger being urged towards its lower opening position by a spring 15b housed in the valve body.
  • the two plates 28, 33 as well as the piezoelectric igniter 17 are advantageously mounted on a support 37 fixed inside the rod 11 and which has a support shoulder 38 for a return spring 39.
  • This spring of reminder 39 is a compression spring bearing, at its lower end, on the shoulder 38, and, at its upper end, both under the upper horizontal wings of the plates 28 and 33.
  • the spring 39 thus constantly biases the two plates 28.33 upwards and their movement in this direction is limited by the abutment of the lower wings of the plates 28, 33 under the support shoulder 38.
  • the control button 25 can occupy, in the lumen 27, three different vertical positions, namely an upper extreme position I, corresponding to the closing of the gas supply, an intermediate position II, corresponding to the opening of the supply. in gas, and a lower extreme position III, corresponding to the actuation of the piezoelectric igniter 17, these three positions I, II, III being indicated in phantom in Figure 5.
  • the upper closed position I the different parts of the heating control device are in the position illustrated in Figure 6.
  • the two plates 28,33 are in the upper extreme position, being pushed back into this position by the return spring 39, their movement upwards being limited by the abutment of their lower wings against the support shoulder 38.
  • the horizontal wing of the bracket 29 is located at low d istance above the pusher 18 of the piezoelectric igniter 17.
  • the unlocking ramp 31 and the locking hook 36 are situated a little above the upper horizontal core 32a of the locking spring 32.
  • the control button 25 drives with it the voluntary unlocking plate 28 with which it is integral and the latter in turn immediately drives the locking plate 33, owing to the fact that the guide pins 34 which are integral with the plate 28, are in contact with the lower ends of the openings 35 formed in the plate 33.
  • the two plates 28, 33 are thus moved jointly downwards, against the action of the return spring 39.
  • the locking hook 36 slides along the core 32a of the spring 32 by pushing it back somewhat, after which it comes to be placed under this core for as secure the lock.
  • the unlocking ramp 31 naturally accompanies this movement.
  • the tab 33a of the plate 33 releases the control finger 15a from the tap 15 so that this tap opens. Consequently, as soon as the control button 25 reaches the intermediate position II, the valve 15 is open and the gas contained in the interchangeable cartridge 13 can then flow through the pipe 7 towards the burner of the heating assembly.
  • the skier presses the control button 25 fully so as to bring it into its lower extreme position III.
  • the horizontal wing of the bracket 29 which was then, in the intermediate position II, just in contact with the upper end of the pusher 18, pushes this pusher downwards and causes l actuation of the piezoelectric igniter 17 which emits an electrical pulse giving rise to an ignition spark produced by the electrode 9.
  • the unlocking ramp 31 and the hook 36 are moved slightly below the core 32a of the spring 32.
  • the control button 25 When the skier wishes to stop the heating, he pulls the control button 25 upwards to return it to its extreme upper closed position I. During this closing phase, the control button 25 firstly causes the sole voluntary release plate 28 to slide upwards, due to the coupling produced by the guide pins 34 and the slots 35, these pins 34 then moving alone upwards in the slots 35 remaining stationary. Consequently, only the voluntary unlocking plate 28 is moved upwards and its lower unlocking ramp 31, which slides in contact with the upper core 32a of the spring 32, progressively pushes this soul inwards, thereby progressively removing the spring until the locking hook 36 can escape.
  • the slope of the unlocking ramp 31 and its length are chosen such that the escape of the locking hook 36 occurs before the guide pins 34 reach the upper ends of the slots 35.
  • the heating control device also includes the two adjoining vertical plates 28, 33, coupled together by means of the guide pins 34 housed in the elongated slots 35
  • the lower horizontal wing of the voluntary unlocking plate 28, which extends below the support shoulder 38 is placed just above the upper pusher 18 of the piezoelectric igniter 17 which is fixed to the lower part of the rod 11, below the support shoulder 38.
  • the locking plate 33 carries, at its upper end part, a locking pawl 41 which is pivotally mounted on the plate 33, around a horizontal and transverse axis 42.
  • This pawl 41 comprises two branches, namely a short lower branch 41a with which is in contact the upper end of a vertical tab 28a extending the platinum release 28 upwards.
  • the pawl 41 also has a longer upper branch 41b which extends upwards and which can engage under a tooth 43 provided on the internal face of the rear wall of the rod 11.
  • the pawl 41 is resiliently biased in clockwise, by means of a spring 44 hooked respectively, at its two ends, to the plate 33 and to the pawl 41 so that the upper branch 41b of the pawl 41 is pressed constantly against the rear wall of the upper 11 of the shoe.
  • the control button 25 as well as the two plates 28, 33 are in the extreme upper position I and the pawl 41 is retracted, its upper branch 41b extending freely above the tooth of locking 43. Furthermore, the lower wing of the unlocking plate 28 is situated just below the shoulder 38 with which it is in contact, thus being at a distance from the pusher 18 of the piezoelectric igniter 17.
  • the control button 25 When the skier wants to turn on the heating device, he presses the control button 25 to move it into the intermediate opening position II which is that shown in FIG. 7. During its downward movement, the plate voluntary unlocking 28 which is driven directly by the control button 25, drives with it the unlocking plate 33 and therefore the pawl 41 carried by the latter. At some point the end of the upper branch 41b of the pawl 41 passes below the tooth 43 and then the pawl swings clockwise around the pivot axis 42, under the action of the return spring 44. From this moment the pawl 41 is engaged under the tooth 43 and it opposes any movement of the plate 33 upwards.
  • the skier wants to switch off the heating of the boot, he pulls up on the control button 25 to bring it back to the extreme upper position I.
  • the force exerted upwards on the control button 25 is transmitted to the plate. 28 and the tab 28a of the latter then acts on the small lower branch 41a of the pawl 41, so as to rotate this pawl anticlockwise.
  • the upper branch 41b of the pawl escapes from the tooth 43 and the two plates 28, 33 can then go back to the upper extreme position I under the action of the return spring 39.
  • the shoe heating device according to the invention can advantageously be provided with an automatic temperature regulation device.
  • an automatic temperature regulation device Non-limiting embodiments of such a temperature control device are illustrated in FIGS. 8, 9 and 10.
  • the temperature control device shown in Figure 8 has a closed circuit 45 filled with an expandable fluid.
  • This closed circuit 45 comprises, at one end, a bulb 46 located near the heat source constituted in this case by the catalytic burner 3, an intermediate capillary tube 47, and at its other end, a membrane actuator 48.
  • This actuator is fixed to the internal face of the rear wall of the rod 11, near the finger 15a for controlling the opening and closing of the gas supply valve 15.
  • the actuator 48 comprises a housing in which is formed a chamber separated into two parts by a deformable membrane 49.
  • the tube 47 containing the expandable fluid is connected to a working chamber 51 delimited by the deformable membrane 49 and the bottom of the housing.
  • a spring 52 for returning the diaphragm 49.
  • the diaphragm 49 is also extended by a plunger 53 fixed at the center of the diaphragm and exiting outside the actuator housing 48. At its outer end the plunger 53 is in contact with a lower branch 54a, extending downwards, of a lever 54 in the form of a square which is articulated around a horizontal and transverse axis 55.
  • This lever 54 comprises also a horizontal branch 54b extending towards the inside of the shoe and which is in contact under the finger 15a for controlling the opening and closing of the valve 15, which is constantly biased downwards by the spring of reminder 15b incorporated in the valve body 15.
  • the plunger 53 of the membrane actuator 48 carries, outside the housing of this actuator, two radially opposite radial fingers 56, 57.
  • the finger 56 keeps immobilized, between this finger 56 and the wall of the actuator housing 48, a horizontal wing 58a of a control fork 58 comprising a vertical wing 58b extending upwards.
  • This vertical wing 58b is pierced with an opening through which extends the straight branch of a lever 59 articulated around a horizontal axis 60 perpendicular to the plane of the drawing sheet.
  • the left arm of the lever 59 extends above the outer end of the plunger 53, at a distance therefrom.
  • the end of the right arm of the lever 59 is connected to a vertical control slide 61 which is urged upwards by a return spring 62 and which can be applied to a seat 63 located below it, which constitutes the orifice of a gas inlet duct 64.
  • the seat 63 is interposed on the gas flow path from the inlet duct 64 to the burner 3. Furthermore, the regulating device shown in FIG.
  • a gas opening control cam 65 returned to the horizontal position by a return spring not shown, which is rotatably mounted about an axis 66, below the radial finger 57 of the plunger 53 extending beyond beyond the housing of the actuator 48, so as to be able to lift this finger 57 and consequently the plunger 53 by manual rotation of the cam 65 in a vertical position.
  • the drawer 61 then moves away from the seat 63 so that the gas can flow through this seat and can reach the burner 3 where it is ignited by means of the piezoelectric ignition device as indicated above.
  • the membrane 49 extends horizontally, as does the control lever 59 which is then pressed by its left branch against the upper end of the pusher 53.
  • the regulating device intervenes to cut off the gas supply when the temperature exceeds a predetermined threshold value.
  • the expansion of the gas contained in the closed circuit 45 is such that the pressure produced in the lower working chamber 51 causes an upward deformation of the membrane 49 as shown in FIG. 9B.
  • the pusher 53 is then pushed further outwards, against the return spring 52 and this vertical upward movement of the pusher 53 causes the control lever 59 to pivot in the clockwise direction around the axis 60.
  • the right arm of this lever 59 then lowers by lowering on the one hand the control fork 58, the horizontal wing 58a of which again comes to bear against the upper wall of the actuator housing 48, and on the other hand the control slide 61 which then closes the seat 63.
  • the gas supply to the burner 3 is cut off.
  • the spring 52 pushes the membrane 49 and the pusher 53 down, the lever 59 is then released and the return spring 62 pushes the drawer 61 upwards, opening the seat 63, to restore the gas supply to the burner 3.
  • FIG. 10A and 10B is shown an alternative embodiment of the regulating device which uses a bimetallic strip 68 which is anchored at its fixed lower end 68a and which is inclined on one side relative to the vertical, this is that is to say to the left in the drawing, while being in contact, in the stop position shown in FIG. 10, with a closed retaining finger 67a secured to the left end of a horizontal operating rod 67.
  • an actuating cam 65 which can be operated manually, is arranged in the immediate vicinity of the upper part of the bimetallic strip in order to straighten the latter in a rectilinear vertical position.
  • the lower operating rod 67 is mounted with horizontal sliding and its straight end is articulated at the end of the lower branch of a lever 69 articulated around a horizontal axis 71 perpendicular to the plane of the drawing sheet.
  • the upper branch of the lever 69 is connected, at a point along its length, to an upper operating rod 72 mounted with horizontal sliding.
  • the upper branch of the lever 69 is coupled, at its upper end to a piston 73 mounted to slide horizontally in a bore formed in a valve body 74. This piston 73 is constantly biased towards the outside by a return spring 75.
  • the piston 73 carries, on its internal front face, a seal 76 which can close off a valve seat 77 provided at the location of the orifice of a gas inlet duct 78 formed in the body 74, coaxially with the piston 73. In the bore in which this piston 73 slides opens a lateral duct 79 connected to the burner 3.
  • the skier When the skier wishes to turn on the heating device, he manually rotates the cam 65 by 90 ° so as to bring it into the horizontal position shown in FIG. 10A.
  • the cam 65 is rotated in the horizontal position just for the period of time necessary for ignition, after which it is brought back to the vertical rest position by a suitable return spring, not shown.
  • the cam 65 pushes the bimetallic strip 68 relative to its rest position, to bring it into a vertical rectilinear position.
  • the bimetallic strip 68 then releases the retaining finger 67a, and consequently the lower operating rod 67 and the lever 69.
  • FIG. 10B illustrates the regulation operation.
  • the bimetallic strip 68 gradually deforms and tilts more and more to the right.
  • the temperature reaches a predetermined threshold value
  • the deformation of the bimetallic strip 68 is sufficient for it to push, by its upper part, the upper operating rod 72 to the right.
  • This rod then causes the lever 69 to pivot clockwise, so that the piston 73 is pushed to the right in the bore of the body 74 until its seal 76 comes to close the seat 77 From this moment the gas supply is cut off and the burner 3 goes out.
  • the bimetallic strip 68 deforms in the direction of its vertical position, it then releases the operating rod 72 and the piston 73 can be pushed outwards, under the action of the return spring 75, in then re-establishing communication between the conduits 78 and 79 and the gas supply to the burner 3.
  • the temperature control device which has been described with reference to FIGS. 10, 10A and 10B, has the advantage of ensuring an automatic cut-off of the gas supply in the event of a combustion stop.
  • the bimetallic strip 5 cools and it deforms to return to occupy its rest position illustrated in FIG. 10. This is made possible by the fact that the cam 65 has moved to the horizontal position only to cause the initial opening of the gas supply circuit and that it then returns to the vertical position, as shown in FIG. 10B.
  • the cam 65 has moved to the horizontal position only to cause the initial opening of the gas supply circuit and that it then returns to the vertical position, as shown in FIG. 10B.
  • the bimetallic strip 68 in the rest position it comes into contact with the retaining finger 67a and then it drives this finger and the lower operating rod 67 to the left. This then causes the lever 69 to pivot clockwise and consequently to close the valve seat 77 by the piston 73.
  • the display device shown in FIG. 11 comprises an optical sensor 81 which is arranged next to the burner 3, and which is connected, by an optical fiber 82, to an observation point 83 which is provided on the top of the part anterior of the bottom of the boot shell as shown in FIG. 1 and which constitutes a luminous point due to the incandescence of the gas at the location of the burner. The skier can thus easily check that the burner 3 is indeed in operation.
  • the display device comprises, in the immediate vicinity of the burner 3, a bulb 84 which is connected, by a capillary tube 85, to an indicator device 86 provided on the part anterior and superior of the bottom of hull.
  • the bulb 84 and the capillary tube 85 contain an expandable fluid and the expansion of this fluid, when the temperature of the burner 3 is high, causes the displacement of a movable index 86a in front of a window 86b of the indicating device 86.
  • the display device comprises a bimetallic strip 87 extending near the burner 3 so as to be able to be heated by the latter.
  • This bimetal rests on one end of a branch of a lever with two branches 88 articulated around an axis 89 and the other branch of which is connected to one end of a flexible cable 91.
  • This cable can slide in a sheath 92 which extends to an indicating device 93 placed on the upper and anterior part of the shell bottom.
  • the other end of the cable 91 is attached to a mobile indicator 94 which can move in front of a window 93a of the housing of the indicator device 93.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)

Claims (26)

  1. Alpiner oder Tourenskischuh mit einer Heizvorrichtung, welche eine heizende Gesamtheit enthält, die in der Sohle des Schuhs angeordnet ist, wobei diese heizende Gesamtheit einen katalytisch Brenner (3) und eine Diffusionsplatte der Wärme aufweist, welche im Abstützungsbereich des Fußes des Trägers des Schuhs angeordnet ist, mit einer Brenngasquelle (13), welche mit dem katalytischen Brenner (3) unter Zwischenschaltung eines Entspanners (15) verbunden ist, und mit einer Steuervorrichtung der Heizung, dadurch gekennzeichnet, daß die Brenngasquelle aus einer austauschbaren Gaspatrone (13) besteht, welche in eine Aufnahmekammer (12) eingreift, die am hinteren Teil des Schaftes (11) des Schuhs vorgesehen ist, außerhalb oder innerhalb des Schuhs, wobei die Aufnahmekammer (12) in Form eines prismatischen oder zylindrischen, an seinem oberen Ende offenen Kastens verwirklicht ist, in welchen die Patrone (13) von oben nach unten eingreift, wobei ihre Gasausgangsöffnung nach unten gerichtet ist.
  2. Schuh nach Anspruch 1, dadurch gekennzeichnet, daß die Aufnahmekammer (12) für die Gaspatrone (13) auf der Hinterseite einer hinteren Kappe (11b) des Schaftes (11) vorgesehen ist, welcher in seinem unterem Teil um eine horizontale und querverlaufende Achse angelenkt ist.
  3. Schuh nach Anspruch 2, dadurch gekennzeichnet, daß die Aufnahmekammer (12) bei der Formung der hinteren Kappe (11b) gebildet wird.
  4. Schuh nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß unter der Kammer (12) eine einen Entspanner und einer Hahn bildende Gesamtheit (15) angeordnet ist, mit welcher eine Eintrittsvorrichtung (16) von Umgebungsluft verbunden ist, um stromabwärts eine geeignete Gas-Luft-Mischung für die Verbrennung zu bilden.
  5. Schuh nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das obere äußere Ende der Gaspatrone (13) in einer bewegbaren Verschlußkappe (21) angeordnet ist, welche gleitbar in den oberen Teil der Kammer (12) eingreift, wobei sich diese Verschlußkappe (21) einerseits auf dem oberen Boden der Gaspatrone (13) und andererseits auf einem Drücker (18) einer Zündvorrichtung (17) abstützt, welche mit einer Zündelektrode (9) verbunden ist, die in der Nähe des Brenners (3) angeordnet ist.
  6. Schuh nach Anspruch 4 oder 5, dadurch gekennzeichnet, daß sich das untere oder innere Ende der Gaspatrone (13) auf einem Kolben (22) abstützt, der gleitbar in der Kammer (12) montiert ist und der elastische nach oben durch eine Druckfeder (23) zurückgestoßen wird, welche zwischen dem Kolben (22) und dem Boden der Kammer (12) angeordnet ist, wobei dieser Kolben (22) in seinem mittleren Teil einen Enstpanner-Hahn (15) trägt, dessen Ausgang mit der Lefteintrittsvorrichtung (16) verbunden ist.
  7. Schuh nach Anspruch 6, dadurch gekennzeichnet, daß der Raum, in welchem die Lufteintrittsvorrichtung (16) angeordnet ist, mit der Außenseite über eine oder mehrere Einlaßöffnungen (24) in Verbindung steht, welche in der Wand der Kammer (12) vorgesehen sind, welche die Patrone (13) enthält, und daß sich über jede Lufteinlaßöffnung (24) ein Filterelement erstreckt, welches aus luftdurchlässigem Material besteht, aber gegenüber aus der Umgebung stammenden Fremdkörper, insbesondere gegenüber Schnee undurchlässig ist.
  8. Schuh nach Anspruch 1, dadurch gekennzeichnet, daß die austauschbare Gaspatrone (13) im Inneren der hinteren Wand des Schaftes (11) des Schuhs montiert ist und daß die Steuervorrichtung der Heizung einen Steuerdruckknopf (25) aufweist, der im wesentlichen vertikal außerhalb der hinteren Wand des Schaftes (11) des Schuhs gleiten kann, wobei dieser Steuerdruckknopf (25) an einer Klaue (26) befestig ist, welche sich durch einen vertikalen Längsschlitz (27) erstreckt, der in der hinteren Wand der Schaftes (11) ausgenommen ist, und welche in dem Schlitz (27) drei verschiedene vertikale Positionen einnehmen kann, d.h., eine obere Endposition (I) entsprechend dem Verschluß der Gaszufuhr, eine mittlere Position (II) entsprechend der Öffnung der Gaszufuhr und eine untere Endposition (III) entsprechend der Betätigung einer piezoelektrischen Zündvorrichtung (17), welche mit der in der Nähe des Brenners (3) angeordneten Zündelektrode (9) verbunden ist.
  9. Schuh nach Anspruch 8, dadurch gekennzeichnet, daß die Steuervorrichtung der Heizung im Inneren des Schaftes (11) des Schuhs eine freiwillige, nach hinten offene C-förmige Entriegelungsplatine (28) aufweist, welche sich im wesentlichen vertikal erstreckt, wobei der obere horizontale Schenkel sich nach außen im Verhältnis zum Schaft (11) des Schuhs durch die Klaue (26), welche den Steuerdruckknopf (25) aufträgt, verlängert, und daß eine Verriegelungsplatine (33), welche an der freiwilligen Entriegelungsplatine (28) angehängt ist, eine nach hinten offene C-Form aufweist und sich im wesentlichen vertikal erstreckt, daß die Verriegelungsplatine (33) ein Betätigungsorgan (33a) eines Steuerfingers (15a) eines Gaszufuhrhahnes (15) trägt sowie Verriegelungseinrichtungen (36, 41), welche mit Verhakungseinrichtungen (32, 43) zusammenwirken, welche auf dem Schaft (11) des Schuhs vorgesehen sind, um den Gaszufuhrbahn (15) in der Öffnungsposition zu halten, und daß die beiden Platinen (28, 33) nach oben durch eine Feder (39) zurückgestoßen sind und untereinander der Zwischenschaltung von Verbindungseinrichtungen (34, 35) verbunden sind, welche eine vertikale Bewegung nach oben mit beschränkter Amplitude der freiwilligen einzigen Entriegelungsplatine (28) im Verhältnis zur feststehenden Verriegelungsplatine (33) erlauben.
  10. Schuh nach Anspruch 9, dadurch gekennzeichnet, daß die Verbindungseinrichtungen zwischen den beiden Platinen (28, 33) aus Führungsstiften (34) bestehen, welche auf dem Kern einer der Platinen (28) vorgesehen sind und welche in Langlöcher (35) eingreifen, welche im Kern der anderen Platine (33) ausgenommen sind, wobei die Langlöcher (35) vertikal ausgerichtet und verlängert sind.
  11. Schuh nach Anspruch 9 oder 10, dadurch gekennzeichnet, daß die Rückstellfeder (39) der Platinen (28, 33) eine Druckfeder ist, welche sich zwischen einem Vorsprung (38), der auf der Innenseite des Schaftes (11) vorgesehen ist und auf welchem sich das untere Ende der Feder abstützt, und oberen Schenkel der beiden Platinen (28,33) erstreckt.
  12. Schuh nach Anspruch 11, dadurch gekennzeichnet, daß jede Platine (28, 33) einen unteren Schenkel aufweist, der sich unter einem festen Vorsprung (38) erstreckt, der von der Innenseite des Schaftes (11) getragen wird und der in der Verschlußposition mit diesem Vorsprung in Anschlag kommt.
  13. Schuh nach Ansprüche 9 bis 12, dadurch gekennzeichnet, daß das Betätigungsorgan (33a) des Steuerfingers (15a) des Gaszufuhrhahns (15) aus einer vorspringenden Klaue (33a) besteht, welche von unten den Steuerfinger (15a) betätigt, der in seine untere Öffnungsposition durch eine Feder (15b) welche in dem Gehäuse des Hahns angeordnet ist, vorgespannt ist.
  14. Schuh nach Ansprüche 9 bis 13, dadurch gekennzeichnet, daß die beiden Platinen (28, 33) sowie die piezoelektrische Zündvorrichtung (17) auf einem Träger (37) montiert sind, der im Inneren des Schaftes (11) befestigt ist und der den Vorsprung (38) aufweist, welcher eine Abstützschulter für die Rückstellfeder (39) bildet.
  15. Schuh nach einem der Ansprüche 9 bis 14, dadurch gekennzeichnet, daß die Verriegelungsplatine (33) an ihrem unteren Ende fest mit einem Verriegelungshaken (36) verbunden ist, der unter den oberen horizontalen Kern (32a) einer Verriegelungsfeder (32) in Schlaufenform oder umgekehrter U-Form eingreifen kann, welche am unteren Teil des Schaftes (11) oder des Schalenunterteils des Schuhs befestigt ist, und daß die freiwillige Entriegelungsplatine (28) an ihrem unteren Ende eine Entriegelungsrampe (31) trägt, deren Form derartig ist, daß während einer Bewegung der freiwilligen Entriegelungsplatine (28) nach unten diese Entriegelungsrampe (31) dem Kern (32a) der Feder (32) zurückstößt, um dem Verriegelungshaken (36) der Verriegelungsplatine (33) zu ermöglichen, sich von dem Kern der Verriegelungsfeder (32) zu befreien.
  16. Schuh nach Anspruch 15, dadurch gekennzeichnet, daß die freiwillige Entriegelungsplatine (28) an ihren oberen Enden einen Winkel (29) aufweist, der an der Platine über einen vertikalen Schenkel befestigt ist und dessen horizontaler Schenkel sich in der Verschlußposition des Gases in geringem Abstand über den oberen Drücker (18) der piezoelektrischen Zündvorrichtung (17), welche am Schaft (11) befestigt ist, erstreckt.
  17. Schuh nach einem der Ansprüche 9 bis 14, dadurch gekennzeichnet, daß der untere horizontale Schenkel der freiwilligen Entriegelungsplatine (28), welcher sich unter dem Vorsprung (38) erstreckt, knapp über dem oberen Drücker (18) der piezoelektrischen Zündvorrichtung (17) angeordnet ist, welche am unteren Teil des Schaftes (11) unter dem Abstützungsvorsprung (38) befestig ist, und daß die Verriegelungsplatine (33) an ihrem oberen Endteil eine Verriegelungsklinke (41) trägt, welche schwenkbar um eine horizontale und querverlaufende Achse (42) an der Platine (33) montiert ist, wobei diese Klinke (41) zwei Arme aufweist, d.h. einen unteren Arm (41a), mit welchem, das obere Ende einer Klaue (28a), welche die Entriegelungsplatine (28) nach oben verlängert, in Kontakt steht, und einen oberen Arm (41b), welcher sich nach oben erstreckt und welcher unter einen Zahn (43) eingreifen kann, der auf der Innenseite der hinteren Wand des Schaftes (11) vorgesehen ist, wobei die Klinke (41) mittels einer Feder (44) elastisch vorgespannt ist, die jeweils an ihren beiden Enden mit der Platine (33) und der Klinke (41) derart verhakt ist, daß der obere Arm (41b) der Klinke (41) konstant gegen die hintere Wand des Schaftes (11) des Schuhs gedrückt wird.
  18. Schuh nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, das er eine automatische Temperatureinstellvorrichtung aufweist.
  19. Schuh nach Anspruch 18, dadurch gekennzeichnet, daß die Temperatureinstellvorrichtung einen geschlossenen Kreis (45) aufweist, der mit einem durch Wärme dehnbaren Fluid gefüllt ist, wobei dieser geschlossene Kreis (45) an einem Ende einen Wulst (46) aufweist, der in der Nähe des katalytischen Brenners (3) angeordnet ist, ein dazwischenliegendes kapillares Verbindungsrohr (47) und an seinem anderen Ende eine Membranbetätigungsvorrichtung (48), wobei diese Betätigungseinrichtung (48) ein Gehäuse aufweist, in welchem eine Kammer vorgesehen ist, welche durch eine verformbare Membrane (49) in zwei Teile getrennt ist, wobei das Rohr (47), welches das durch Wärme dehnbare Fluid enthält, mit einer Arbeitskammer (51) verbunden ist, welche durch die verformbare Membrane (49) und den Gehäuseboden begrenzt ist, während in der anderen Kammer eine Rückstellfeder (52) der Membrane (49) sowie ein Tauchkolben (53) angeordnet ist, der an der Membrane befestigt ist und nach außen in Bezug zum Gehäuse der Betätigungsvorrichtung (48) vortritt, und eine Verbindungsvorrichtung (54, 56-60) zwischen dem Tauchkolben (53) und einem bewegbaren Organ (15a, 61), welches die Gaszufuhr steuert.
  20. Schuh nach Anspruch 19, dadurch gekennzeichnet, daß die Betätigungsvorrichtung in der Nähe eines Fingers (15a) zum Steuern des Öffnens und Verschließens eines Gaszufuhrhahnes (15) befestigt ist und daß der Tauchkolben (53) an seinem äußeren Ende in Kontakt mit einem ersten Arm (54a) eines Hebels (54) steht, der um eine Achse (55) angelenkt ist, wobei der Hebel einen zweiten Arm (54b) aufweist, der sich in Richtung des Innenren des Schuhs erstreckt und der in Kontakt mit dem Finger (15a) zum Steuern des Öffnens und Verschließens des Hahns (15) steht, wobei der Finger durch eine im Hahngehäuse (15) eingebaute Rückstellfeder (15b) konstant in die Öffnungsposition vorgespannt ist.
  21. Schuh nach Anspruch 19, dadurch gekennzeichnet, daß der Tauchkolben (53) der Membranbetätigungsvorrichtung (48) außerhalb des Gehäuses dieser Betätigungsvorrichtung zwei Finger (56, 57) aufweist, wobei ein erster Finger (56) in Sperr- oder Verschlußposition des Gases einen horizontalen Schenkel (58a) einer Steuergabel (58) zwischen dem Finger (56) und der Wand des Gehäuses der Betätigungsvorrichtung (48) unbeweglich hält, wobei die Steuergabel einen vertikalen Schenkel (58b) aufweist, der sich nach oben erstreckt und der eine Öffnung aufweist, durch welche sich ein erster Arm eines Hebels (59) erstreckt, der um eine horizontale Achse (60) angelenkt ist und dessen anderer Arm sich über das äußere Ende des Tauchkolbens (53) im Abstand von diesem erstreckt, wobei das Ende des ersten Arms des Hebels (59) mit einem vertikalen Steuerschieber (61) verbunden ist, welcher durch eine Rückstellfeder (62) nach oben vorgespannt ist und welcher auf einen Sitz (63) aufgebracht werden kann, der unter ihm angeordnet ist und die Öffnung eines Gaszufuhrkanals (64) bildet und welcher eingefügt ist auf der Ausflußbahn des Gases vom Zufuhrkanal (64) bis zum Brenner (3), und daß die Einstellvorrichtung einen Gasöffnungssteuernocken (65) aufweist, der durch eine Rückstellfeder in Ruheposition rückgestellt ist und drehbar um eine Achse (66) unter dem zweiten Finger (57) des Tauchkolbens (53) montiert ist und sich über das Gehäuse der Betätigungsvorrichtung (48) erstreckt, derart, daß er diesen Finger (57) demzufolge den Tauchkolben (53) durch manuelle Drehung des Nockens (65) in vertikale Position anheben kann.
  22. Schuh nach Anspruch 18, dadurch gekennzeichnet, daß die Temperatureinstellvorrichtung ein Bimetall (68) aufweist, welches an seinem unteren festen Ende (68a) verankert ist und welches nach einer Seite geneigt ist im Verhältnis zur Vertikalen und in Kontakt steht in der Verschlußposition mit einem geschlossenen Haltefinger (67a), der fest mit einem ersten Ender einer horizontalen Betätigungsstange (67) verbunden ist, einen manuell betätigbaren Betätigungsnocken (65), welcher in unmittelbarer Nähe des oberen Teils des Bimetalls (68) angeordnet ist, um dieses in die vertikale geradlinige Position zurückdrücken zu können, wobei die untere Betätigungsstange (67) horizontal gleitbar montiert ist und ihr zweites Ende am Ende des unteren Armes eines Hebels (69) angelenkt ist, der um eine horizontale Achse (71) angelenkt ist und dessen oberer Arm an einem Punkt seiner Längserstreckung mit einer oberen Betätigungsstange (72) verbunden ist, welche horizontal gleitbar montiert ist gegenüber dem oberen Teil des Bimetalls (68), wobei der obere Arm des Hebels (69) mit einem Kolben (73) verkoppelt ist, der horizontal gleitbar montiert ist in einer Bohrung, die in einem Ventilgehäuse (74) gebildet ist und in welche ein seitlicher Kanal (79) mündet, der mit dem Brenner (3) verbunden ist, wobei der Kolben (73) konstant nach außen durch eine Rückstellfeder (75) vorgespannt ist und auf seiner inneren Frontseite einen Stoß (76) trägt, der einen Klappenventilsitz (57) abdecken kann, der am Ort der Öffnung eines Gaszufuhrkanals (78) vorgesehen ist, der im Gehäuse (74) koaxial mit dem Kolben (73) ausgenommen ist.
  23. Schuh nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß er eine Visualisierungsvorrichtung der Funktion des Brenners (3) aufweist, welche eine Anzeigevorrichtung (83, 86, 93) auf dem vorderen und oberen Teil des Blattes oder des Schalenunterteils des Schuhs aufweist.
  24. Schuh nach Anspruch 23, dadurch gekennzeichnet, daß die Visualisierungsvorrichtung einen optischen Meßfühler (81) aufweist, der auf der Seite des Brenners (3) angeordnet ist und der über ein optisches Faserkabel (82) mit einem erleuchteten Observationspunkt (83) verbunden ist.
  25. Schuh nach Anspruch 23, dadurch gekennzeichnet, daß die Visualisierungsvorrichtung in unmittelbarer Nähe des Brenners (3) einen Wulst (84) aufweist, welcher über ein Kapillarrohr (85) mit einer Anzeigevorrichtung (86) verbunden ist, wobei der Wulst (84) und das Kapillarrohr (85) ein durch Wärme dehnbares Fluid enthalten und die Dehnung dieses Fluids, wenn die Temperatur des Brenners (3) angehoben ist, die Verschiebung eines bewegbaren Zeigers (86a) vor einem Fenster (86b) der Anzeigevorrichtung (86) verursacht.
  26. Schuh nach Anspruch 23, dadurch gekennzeichnet, daß die Visualisierungsvorrichtung ein Bimetall (87) aufweist, das sich in der Nähe des Brenners (3) erstreckt, derart, daß es durch den Brenner erwärmbar ist, wobei dieses Bimetall sich auf einem Endes eines Armes eines zweiarmigen Hebels (88) abstützt, welcher um eine Achse (89) angelenkt ist und dessen anderer Arm mit einem Ende eines flexiblen Kabels (91) verbunden ist, welches in einer Umhüllung (92) gleitet und sich bis zu einer Anzeigevorrichtung (93) erstreckt, in welcher das andere Ende des Kabels (91) an einer bewegbaren Anzeige (94) befestigt ist, welche sich vor einem Fenster (93a) des Gehäuses der Anzeigevorrichtung (93) verschieben kann.
EP89402163A 1988-09-19 1989-07-28 Schischuh mit Heizeinrichtung Expired - Lifetime EP0361988B1 (de)

Priority Applications (1)

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AT89402163T ATE87439T1 (de) 1988-09-19 1989-07-28 Schischuh mit heizeinrichtung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8812197A FR2636541B1 (fr) 1988-09-19 1988-09-19 Chaussure de ski alpin ou de randonnee pourvue d'un dispositif de chauffage
FR8812197 1988-09-19

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EP0361988A1 EP0361988A1 (de) 1990-04-04
EP0361988B1 true EP0361988B1 (de) 1993-03-31

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EP (1) EP0361988B1 (de)
JP (1) JPH02109501A (de)
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JP3088127B2 (ja) * 1991-05-22 2000-09-18 謙治 岡安 携帯式熱伝達装置
US6230501B1 (en) 1994-04-14 2001-05-15 Promxd Technology, Inc. Ergonomic systems and methods providing intelligent adaptive surfaces and temperature control
US6098612A (en) * 1995-10-30 2000-08-08 Matsushita Electric Industrial Co., Ltd. Heating garment
TW200425849A (en) * 2003-05-16 2004-12-01 zhe-wei Lin Heat-generating shoes
US8087186B2 (en) * 2008-03-13 2012-01-03 Omnitek Partners Llc Piezoelectric-based toe-heaters for frostbite protection
DE202008011718U1 (de) 2008-09-03 2008-11-27 Krause, Heiko, Dipl.-Ing. Heizungssystem für Bekleidungsstücke
US9220315B2 (en) * 2012-08-29 2015-12-29 Nike, Inc. Article of footwear with an indicator for a heating system
SI24918A (sl) 2015-02-23 2016-08-31 Alpina, Tovarna Obutve, D.O.O. Obutev z integrirano ogrevalno napravo
US11278079B2 (en) * 2018-01-16 2022-03-22 Phantom Snow Industries Llc Adjustable and dual-suspension boot levers

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US156117A (en) * 1874-10-20 Improvement in heating attachments for boots and-shoes
US51492A (en) * 1865-12-12 Owen w
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CH58393A (fr) * 1911-09-18 1913-03-01 Leon Crouzat Dispositif de chauffage pour chaussures
FR2080146A5 (de) * 1970-02-25 1971-11-12 Bertincourt Michel
US3663796A (en) * 1970-03-04 1972-05-16 Timely Products Corp Electrically heated boot sock and battery supporting pouch therefor
US3585736A (en) * 1970-04-24 1971-06-22 Jeffery R Polichena Heated boots and shoes
US3977093A (en) * 1976-01-19 1976-08-31 The Raymond Lee Organization, Inc. Cold weather shoe
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US4180922A (en) * 1978-02-07 1980-01-01 Cieslak Leonard K Boot warmer
DE3342276A1 (de) * 1983-11-23 1985-06-05 Werner 7000 Stuttgart Maier Schuh mit waermeabgebendem element
SU1223883A1 (ru) * 1983-11-23 1986-04-15 Всесоюзный Ордена Трудового Красного Знамени Научно-Исследовательский Институт Железнодорожного Транспорта Устройство дл обогрева стопы ноги
US4579103A (en) * 1984-10-01 1986-04-01 Poffenbarger Perry S Foot warming device
SE8501450D0 (sv) * 1985-03-25 1985-03-25 Nils Sundh Uppvermningsanordning for skodon
IT209335Z2 (it) * 1986-06-30 1988-09-20 Nordica Spa Dispositivo di riscaldamento, particolarmente per scarpe da sci.
IT208028Z2 (it) * 1986-07-03 1988-03-31 Dolomite Spa Dispositivo di riscaldamento per scarpe da sci
US4685442A (en) * 1987-01-20 1987-08-11 Leonard Cieslak Portable heater for wearing apparel
US4736530A (en) * 1987-02-17 1988-04-12 Nikola Lakic Shoe with heat engine and reversible heat engine

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Publication number Publication date
EP0361988A1 (de) 1990-04-04
FR2636541B1 (fr) 1991-03-29
DE68905738T2 (de) 1993-10-07
FR2636541A1 (fr) 1990-03-23
JPH02109501A (ja) 1990-04-23
DE68905738D1 (de) 1993-05-06
US5062222A (en) 1991-11-05
ATE87439T1 (de) 1993-04-15

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