EP1554945B1 - Dispositif pour boucler des cheveux - Google Patents

Dispositif pour boucler des cheveux Download PDF

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Publication number
EP1554945B1
EP1554945B1 EP05000157A EP05000157A EP1554945B1 EP 1554945 B1 EP1554945 B1 EP 1554945B1 EP 05000157 A EP05000157 A EP 05000157A EP 05000157 A EP05000157 A EP 05000157A EP 1554945 B1 EP1554945 B1 EP 1554945B1
Authority
EP
European Patent Office
Prior art keywords
barrel
hair
negative ion
cone
grip
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.)
Not-in-force
Application number
EP05000157A
Other languages
German (de)
English (en)
Other versions
EP1554945A1 (fr
Inventor
Itaru Saida
Hideki Tanaka
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of EP1554945A1 publication Critical patent/EP1554945A1/fr
Application granted granted Critical
Publication of EP1554945B1 publication Critical patent/EP1554945B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
    • A45D1/02—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with means for internal heating, e.g. by liquid fuel
    • A45D1/04—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with means for internal heating, e.g. by liquid fuel by electricity
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1427—Locking devices
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
    • A45D2001/008—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with vapor generation, e.g. steam
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D2200/00—Details not otherwise provided for in A45D
    • A45D2200/20—Additional enhancing means
    • A45D2200/202—Ionisation
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00—Miscellaneous
    • E02D2600/20—Miscellaneous comprising details of connection between elements

Definitions

  • the present invention is directed to a hair curling device, and more particularly to a hair curling device with a hair clamp for curling hair as well as a negative ion generator for imparting negative ions to the curled hairs.
  • negative ions to hairs is known to be effective to give a well finished hair styling.
  • the negative ions are widely recognized in the filed of air purification or environmental improvement to denote negatively charged airborne molecules mostly combined with moisture.
  • One typical example is a hair dryer in which the negative ions are applied to the hairs being heat-treated for supplementing the hair with moisture carried on the negative ions, in addition to neutralizing the positively-charged hairs.
  • the hair dryer is preferably designed to emit the negate ions relatively free from a hot shot of air blow in order to deliver the negative ions to the hairs without being deteriorated or collapsed by the heat.
  • the heat problem has to be considered when giving the effect of the negative ions to a hair curling device that applies a considerable amount of heat directly to the hair intended to be curled. This is particularly true for the curling device with a hair clamp, as disclosed in U.S. Patent No. 5, 243, 694 in which the hair clamp is placed over a heated barrel to clamp the hair therebetween for curling the hair by application of considerable amount of heat.
  • WO 03/061425 A1 proposes a hair iron device provided with a negative ion generator which emits the negative ions towards the volume of hair adjacent but not covered by a hair clamp.
  • one or more negative ion generators are located on the heating barrel at portions offset laterally from the hair clamp with respect to an axis of the barrel for emitting the negative ions generally in radial directions of the barrel towards the hair out of the hair clamp.
  • the negative ion generator is normally limited to give a small range or emission cone within which the negative ions propagate relative to an effective axial length of the barrel, i.e., the width of the strand of hair wound around the barrel, it is difficult to cover the full length of the barrel with a single negative ion generator on one side of the barrel. In other words, the single ion generator is not sufficient to give the negative ion bombardment to the hair over the entire length of the barrel. Further, since the ion generators are mounted on the barrel itself, the addition of the ion generators within the length of the barrel will certainly lead to an increased bulk and complexity of the barrel.
  • WO 03/101242 A2 discloses an ion generating device for hair care having a housing with at least one aperture, one or more iron generators for selectively generating concentrations of irons having different combinations of intensity and polarity.
  • the hair curling device in accordance with the present invention includes a hand grip, and a heating barrel extending from the hand grip to have a lengthwise axis.
  • the heating barrel is configured to wind user's hair therearound and to have a rounded curling surface on a part of its circumference.
  • the negative ion generator is mounted on the hand grip adjacent to the barrel with the cone emission axis oriented radially outwardly of the barrel at an inclination angle of less than 45° with respect to the axis of the barrel within a horizontal plane which is perpendicular to a vertical plane including a width center of the hair clamp and the axis of the barrel. Accordingly, the optimal negative ion treatment is expected, in addition to that the barrel can be free from mounting the negative ion generator and therefore can be made into a simple and compact structure for curling the hair.
  • the two negative ion generators may be mounted around the hand grip in a generally diametrically opposite relation to each other so as to apply the negative ions to the hair on both sides of the hair clamp.
  • the ion port is preferred to be spaced radially outwardly of the circumference of the barrel for directing the negative ions effectively to the volume of hair around the barrel out of the hair clamp.
  • the heating barrel may be provided with an end cap at its axial end opposite to the hand grip.
  • the negative ion generator may be mounted either solely on the end cap or both on the end cap and the hand grip for emitting the negative ions on the hairs over the length of the barrel.
  • the heading barrel is composed of a first barrel half and a second barrel half each shaped to have a semi-circular cross section with a top rounded outer surface and a flat straightening surface.
  • the top rounded surface of the first barrel half defines the curling surface.
  • the hand grip is composed of a first grip half and a second grip half which support the first barrel half and the second half barrel, respectively.
  • the first and second grip halves are pivotally connected to each other so as to move the first barrel half between a closed position of keeping the respective flat straightening surfaces in a closely adjacent relation for straightening the hairs entrapped therebetween and an open position of releasing the hair.
  • the first grip half is configured to carry the hair clamp as well as the negative ion generator.
  • the negative ion generator is arranged such that the emission cone is intersected by a mating plane defined between the straightening surfaces in the closed position of the barrel so as to cover a region immediately outwardly of the straightening surfaces.
  • the two negative ion generators are preferred to be mounted on opposite sides of the first grip half. Further, additional negative ion generator or generators are mounted on the second grip half to give a like emission cone which coves the region in an overlapping relation with the emission cone provided by the negative ion generator on the first second grip half.
  • the hair curling device includes a hand grip 10 , a heating barrel 20 extending coaxially from one axial end of the hand grip 10 to have a lengthwise axis, and a hair clamp 30 supported to the hand grip 10 for clamping user's hair on a portion of the heating barrel 20 .
  • the heating barrel 20 is made of a metal cylinder and incorporates an electric heater 40 for heating the entire circumference of the barrel.
  • the hair clamp 30 is composed of a metal-made tongue 34 extending substantially the full length of the barrel 20 and a handle 36 holding the one end of the tongue 34.
  • the handle 36 includes a pivot 38 which is supported to the hand grip 10 adjacent to the axial end of the barrel so that the hair clamp 30 is movable between a clamping position where the tongue 34 is placed over the peripheral portion of the barrel 20 for clamping the hair therebetween and a release position where the tongue 34 is away from the barrel for releasing the hair.
  • a bias spring 39 is provided inside of the handle 36 to urge the hair clamp towards to the clamping position.
  • the tongue 34 is curved in conformity with the portion of the circumference of the barrel 20 to clamp the hair around the portion of the barrel for curling the hair. In this sense, the curved portion of the barrel 20 is defined as a curling surface 24 .
  • An end cap 50 is provided at the distal axial end of the barrel 20 to constitute a water tank holding a volume of water which is supplied for contact with the heater 40 to thereby generate steam that is discharged through a plurality of vents formed in the barrel 20 to the clamped hair.
  • the tongue 34 of the clamp 30 is formed with escape holes 35 in staggered relation to the vents for escaping the steam.
  • the hand grip 10 is also configured to mount two negative ion generators 60 at its one end adjacent to the barrel 20 for spraying negative ions to the hairs being clamped for curling, particularly to the volume of hair out of the hair clamp 30 , i.e., the curling surface 24 of the barrel 20 in order to give smoothed finish to the curled hair.
  • a switch 14 is provided on the hand grip 10 to heat the barrel 20 with activating or deactivating the negative ion generators.
  • the negative ion generator 60 includes a dielectric base 62 carrying a needle electrode 70 and a ground electrode 74 , and a dielectric cover 80 which is assembled to the base to form a shell concealing therein the electrodes 70 and 74 .
  • the needle electrode 70 has a pointed tip at its front end and is provided at its rear end with a voltage terminal 71 for connection with a wire 72 leading to a voltage output of a high voltage generating circuit 90 accommodated within the grip 10.
  • the needle electrode 70 extends along the length of the base 62 with its pointed tip receded from the front edge of the base 62 .
  • the ground electrode 74 is disposed at the front end of the base 62 in a forwardly spaced relation to the pointed tip of the needle electrode 70 and is provided with a ground terminal 75 for connection with a ground wire 76 leading to a ground of the high voltage generating circuit 90 .
  • the high voltage generating circuit 90 applies a high voltage, for example, - 5 kV to the needle electrode 70 relative to the ground electrode 74 , thereby developing the corona discharge between the electrodes to negatively charge the particles present in the surrounding air for generating negatively charged ions around the pointed tip of the needle electrode 70 .
  • the negative ions are attracted towards the ground electrode 74 to move in a forward direction past the ground electrode 74 and is caused to emit through an ion port 82 formed in the front end of the cover 80 .
  • the negative ions are forced out through the ion port 82 and directed along a cone emission axis (E) to emit within an emission cone having a cone angle ( ⁇ ) of about 30° to 100°, as shown in FIGS. 1 and 2 .
  • the negative ion generator 60 may be configured to incorporate a fan which gives an additional force for emitting the negative ions out through the ion port.
  • the negative ion generators 60 are mounted on the hand grip 10 at portions offset axially from the barrel 20 , as shown in FIGS. 1 and 2 , and offset circumferentially from the hair clamp 30 , as shown in FIG. 4 , in order to emit the negative ions mainly along the axial length of the barrel 20 towards regions on opposite sides of the hair clamp 30 or the curling surface 24 .
  • the ion port 82 is offset radially outwardly by a distance (D) of 5 to 20 mm from the circumference of the barrel 20 and is oriented radially outwardly of the barrel 20 to have the cone emission axis (E) inclined at an angle ( ⁇ ) of 10° to 45° with respect to the axis of the barrel 20 within a horizontal plane, as shown in FIGS. 1 and 4 .
  • the horizontal plane is defined as a plane in which the two negative ion generators 60 are disposed or a plane perpendicular to a vertical plane passing through a width center of the tongue 34 of the hair clamp 30 and through the axis of the barrel 20 . As shown in FIG.
  • the cone emission axis is approximately aligned with the axis of the barrel 20 within the vertical plane.
  • the emission cone covers the region immediately outwardly of barrel 20 , particularly outwardly of the curling surface 24 and the hair clamp 30 , assuring to spray the negative ions over the hair out of the tongue 34 of the clamp 30 along the full length of the barrel 20 .
  • This arrangement can minimize the amount of the negative ions being unintentionally attracted to the heated barrel surface, thereby concentrating the negative ions to the hair.
  • the hand grip 10 is provided with a positive electrode 16 for direct contact with a user's hand holding the grip 10.
  • the positive electrode 16 is electrically connected to a voltage source within the grip 10 to charge the user's body to positive so that the negative ions can be attracted to the positively charged hair.
  • the device may be modified to have one or more negative ion generators 60 on the end cap 50 either in addition to or in place of those mounted on the hand grip 10 .
  • the negative ion generators 60 on the end cap 50 are arranged to have their respective ion ports directed mainly axially towards the hand grip 10.
  • the individual emission cones overlaps at the regions immediately outwardly of the tongue 34 of the clamp 30 over a major length of the barrel 20 , thereby applying the negative ions concentratedly to the volume of the hair just out of the clamp 30 .
  • the negative ion generators 60 on the end cap 50 are set to have their cone emission axes also inclined at an angle ( ⁇ ) of 10° to 45° with respect to the axis of the barrel 20 within the horizontal plane in much the same way as the ion generators on the hand grip 10 .
  • FIGS.10 to 12 illustrate an embodiment of the present invention which is basically identical to the above described device except that the device is added with a function of straightening the hair.
  • Like parts are designated by like reference numerals with a suffix letter of "A" and no duplicate explanation is deemed necessary.
  • the hand grip 10A is composed of two grip haves 11 and 12 which are pivotally connected to each other, while the barrel 20A is composed of two barrel halves 21 and 22 which extend respectively from the grip halves 11 and 12 .
  • Each of the barrel halves 21 and 22 is shaped to have a semi-circular cross section with a rounded surface and a flat surface, and accommodates therein the electric heater 40A .
  • the hair clamp 30A is pivotally supported to the grip half 11 to have its tongue 34A placed over the rounded surface of the barrel half 21 , precisely the curling surface 24A on a part of the rounded surface for curing the hairs clamped therebetween.
  • the barrel halves 21 and 22 assumes a closed position of bringing the individual flat surfaces in close relation with the each other to clamp the hair therebetween for straightening the hair, and an open position of releasing the hair.
  • the flat surfaces are referred to as the straightening surface and designated collectively by reference numerals "25" .
  • the barrel halves 21 and 22 are fitted at their distal end respectively with end caps 51 and 52 of dielectric material.
  • the end cap 51 is in the form of the water tank containing the volume of water which is supplied for contact with the heater 40A to generate the steam.
  • the tank 51 includes a wick 53 carrying the water and is slidable connected to the barrel half 21 with a spring interposed between. Upon the tank 51 being depressed, the wick 53 comes into contact with the heater 40A to generate the steam which goes through vents in the periphery of the barrel half 21 to moisten the hair clamped between the barrel half 21 and the tongue 34A of the clamp 30A.
  • the tongue 34A is formed with a plurality of escape holes which are staggered with the vents for escaping the steam.
  • the positive electrode 16A is formed on the grip half 11 for charging the user's hair to positive.
  • the negative ion generators 60A are mounted on the grip half 11 adjacent to the barrel half 21 at locations offset axially from the barrel half 21 and offset radially from the hair clamp 30A .
  • the ion port 82A is oriented to have its cone emission axis (E) inclined at an angle ( ⁇ ) of 10° to 45° with respect to the axis of the barrel 20 within the horizontal plane, as shown in FIG. 10 , and also inclined at a small angle ( ⁇ ) of 2° to 30° with respect to the axis of the barrel within the vertical plane, as shown in FIG. 11 . It is noted that the vertical plane is normal to a mating plane defined between the closed straightening surfaces 25 .
  • the cone emission axis (E) is naturally inclined at the small angle ( ⁇ ) of 2° to 30° with respect to the mating plane or a mating line between the straightening surfaces 25 .
  • the emission cone is intersected by the mating plane at an optimum angle and therefore can certainly cover a region immediately outwardly of the straightening surfaces for imparting the negative ion treatment successfully to the hair out of the straightening surfaces, in addition to cover the region outwardly of the tongue 34A.
  • the device may be modified to have additional negative ion generators 60A also on the grip half 12 adjacent to the associated barrel half 22 .
  • the additional negative ion generators 60A are oriented to have the individual cone emission axes inclined oppositely to the negative ion generators on the grip half 11 so that the emission cones provided by the generators on both of the grip halves 11 and 12 can overlap immediately adjacent to the straightening surfaces 25 , thereby concentrating the negative ions to the regions immediately outwardly of the straightening surfaces for optimal negative ion treatment.
  • the negative ion generators may be mounted either alone on the end cap or in addition to those on the hand grip.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Cleaning And Drying Hair (AREA)
  • Hair Curling (AREA)
  • Eye Examination Apparatus (AREA)
  • Devices For Medical Bathing And Washing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Claims (3)

  1. Appareil pour friser les cheveux comprenant:
    une poignée (10A);
    un corps cylindrique (20A) de chauffage s'étendant depuis ladite poignée pour avoir un axe dans le sens de la longueur; ledit corps cylindrique de chauffage étant configuré pour enrouler les cheveux d'un utilisateur autour de celui-ci et pour avoir une surface (24A) de frisage arrondie sur une partie de sa circonférence; et
    une pince à cheveux (30A) maintenue par ladite poignée pour être mobile entre une position de pincement pour pincer les cheveux sur ladite surface de frisage et une position de dégagement pour libérer les cheveux de la surface de frisage, ladite pince à cheveux étant incurvée en correspondance avec ladite surface de frisage afin de friser les cheveux pincés entre la pince à cheveux et le corps cylindrique;
    où
    ledit appareil inclut au moins un générateur (60A) d'ions négatifs avec un orifice (82A) d'ions pour émettre des ions négatifs depuis celui-ci, ledit générateur d'ions négatifs configuré pour avoir un axe d'émission conique le long duquel lesdits ions négatifs sont sortis à travers ledit orifice d'ions dans un cône d'émission;
    ledit orifice d'ions est situé à une partie axialement décalée par rapport audit corps cylindrique et également décalée de manière circonférentielle par rapport à ladite pince à cheveux avec ledit axe d'émission conique dirigé dans une direction telle que ledit cône d'émission s'étend principalement le long dudit axe du corps cylindrique pour couvrir une région sortante de ladite surface de frisage,
    ledit générateur d'ions négatifs est agencé de sorte qu'un plan conjugué, défini entre les surfaces de lissage dans la position fermée dudit corps cylindrique de manière à couvrir une région immédiatement sortante desdites surfaces de lissage, croise ledit cône d'émission,
    caractérisé en ce que
    ledit corps cylindrique (20A) de chauffage comprend une première moitié (21) de corps cylindrique et une deuxième moitié (22) de corps cylindrique chacune formée pour avoir une section transversale semi-circulaire avec une surface externe supérieure arrondie et une surface (25) de lissage plate, la surface arrondie supérieure de ladite première moitié de corps cylindrique procurant ladite surface de frisage,
    ladite poignée comprend une première moitié (11) de saisie et une deuxième moitié (12) de saisie qui soutiennent respectivement ladite première moitié de corps cylindrique et ladite deuxième moitié de corps cylindrique, lesdites première et deuxième moitiés de saisie étant raccordées l'une à l'autre de manière pivotante de façon à déplacer la première moitié de corps cylindrique entre une position fermée dans laquelle on garde les surfaces de lissage plates respectives dans une relation étroitement adjacente pour lisser les cheveux pris entre celles-ci et une position ouverte dans laquelle les cheveux sont libérés,
    ladite première moitié de saisie portant ladite pince à cheveux (30A) ainsi que ledit générateur (60A) d'ions négatifs,
    ledit générateur (60A) d'ions négatifs est monté sur ladite poignée de manière adjacente audit corps cylindrique avec ledit axe d'émission conique dirigé radialement vers l'extérieur par rapport audit corps cylindrique à un angle d'inclinaison (θ) de moins de 45° par rapport à l'axe dudit corps cylindrique dans un plan horizontal qui est perpendiculaire à un plan vertical qui est normal à un plan conjugué défini entre lesdites surfaces (25) de lissage fermées et traversant ledit axe du corps cylindrique, et
    ledit axe d'émission conique est également incliné à un angle d'inclinaison (ω) de moins de 30° par rapport à l'axe dudit corps cylindrique dans ledit plan vertical.
  2. Appareil pour friser les cheveux selon la revendication 1, dans lequel
    lesdits deux générateurs (60A) d'ions négatifs sont montés sur des côtés opposés de ladite première moitié (11) de saisie.
  3. Appareil pour friser les cheveux selon la revendication 1, dans lequel
    ladite deuxième moitié (12) de saisie porte un générateur (60A) d'ions négatifs identique qui donne un cône d'émission couvrant ladite région dans une relation de chevauchement avec ledit cône d'émission procuré par ledit générateur d'ions négatifs sur ladite première moitié de saisie.
EP05000157A 2004-01-19 2005-01-05 Dispositif pour boucler des cheveux Not-in-force EP1554945B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004011084A JP2005198984A (ja) 2004-01-19 2004-01-19 ヘアーアイロン
JP2004011084 2004-01-19

Publications (2)

Publication Number Publication Date
EP1554945A1 EP1554945A1 (fr) 2005-07-20
EP1554945B1 true EP1554945B1 (fr) 2008-11-05

Family

ID=34616950

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05000157A Not-in-force EP1554945B1 (fr) 2004-01-19 2005-01-05 Dispositif pour boucler des cheveux

Country Status (9)

Country Link
US (1) US20050172979A1 (fr)
EP (1) EP1554945B1 (fr)
JP (1) JP2005198984A (fr)
KR (1) KR100591981B1 (fr)
CN (2) CN2807872Y (fr)
AT (1) ATE413111T1 (fr)
DE (1) DE602005010761D1 (fr)
ES (1) ES2317085T3 (fr)
HK (1) HK1077173A1 (fr)

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KR20050076666A (ko) 2005-07-26
CN1647717A (zh) 2005-08-03
CN100355378C (zh) 2007-12-19
CN2807872Y (zh) 2006-08-23
ATE413111T1 (de) 2008-11-15
KR100591981B1 (ko) 2006-06-20
US20050172979A1 (en) 2005-08-11
EP1554945A1 (fr) 2005-07-20
JP2005198984A (ja) 2005-07-28
DE602005010761D1 (de) 2008-12-18
HK1077173A1 (en) 2006-02-10
ES2317085T3 (es) 2009-04-16

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