EP1536710A1 - Semelle interieure et chaussure pourvue d'une telle semelle interieure - Google Patents

Semelle interieure et chaussure pourvue d'une telle semelle interieure

Info

Publication number
EP1536710A1
EP1536710A1 EP03748000A EP03748000A EP1536710A1 EP 1536710 A1 EP1536710 A1 EP 1536710A1 EP 03748000 A EP03748000 A EP 03748000A EP 03748000 A EP03748000 A EP 03748000A EP 1536710 A1 EP1536710 A1 EP 1536710A1
Authority
EP
European Patent Office
Prior art keywords
insole
shoe
air
ventilation
grooves
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.)
Granted
Application number
EP03748000A
Other languages
German (de)
English (en)
Other versions
EP1536710B1 (fr
Inventor
Georg Ahlbäumer
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.)
Cetec AG, Vaduz
Original Assignee
Cetec AG, Vaduz
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 Cetec AG, Vaduz filed Critical Cetec AG, Vaduz
Publication of EP1536710A1 publication Critical patent/EP1536710A1/fr
Application granted granted Critical
Publication of EP1536710B1 publication Critical patent/EP1536710B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/14Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/142Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the medial arch, i.e. under the navicular or cuneiform bones
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/08Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined ventilated
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/06Footwear with health or hygienic arrangements ventilated
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/06Footwear with health or hygienic arrangements ventilated
    • A43B7/08Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/14Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/1425Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the ball of the foot, i.e. the joint between the first metatarsal and first phalange
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/14Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/143Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the lateral arch, i.e. the cuboid bone
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/14Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/1435Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the joint between the fifth phalange and the fifth metatarsal bone
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/14Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/144Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the heel, i.e. the calcaneus bone
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/14Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/1445Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the midfoot, i.e. the second, third or fourth metatarsal
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/14Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/145Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the toes, i.e. the phalanges

Definitions

  • the present invention relates to an insole that is essentially adapted to the profile of a human foot and has a dome-like, elastically deformable curvature facing the foot in the midfoot region. Furthermore, the present invention relates to a shoe with an insole.
  • Insoles especially insoles, for shoes have a variety of functions. They improve the comfort of shoes, e.g. by padding the areas facing the underside of the foot or by providing damping elements. They are also used in the medical field to correct mistakes in a person's gait or to relax or stabilize the foot.
  • insoles which, through a filled or provided with supporting elements, arching of the insole when wearing a shoe with such an insole, have a proprioceptive effect and thus strengthen a foot in its structure, whereby e.g. the risk of injury is reduced.
  • JP-2000106908A the internal ventilation of shoes, the ventilation in both cases being effected by a pump which is integrated in the insole.
  • the ventilation additionally has a line connected to the pump with ventilation openings through which the air in the pump is pumped into the shoe interior when it is compressed.
  • cypress chips in the pump, which are intended to aromatize the ventilation air.
  • EP-0 903 984-B1 shows an embodiment of a shoe interior ventilation, consisting of a shoe outsole, an insole and a corresponding midsole.
  • the invention has air chambers between the midsole and the shoe outsole in the front area of the foot, the air of which is guided into the interior of the shoe through locomotion through the deformation of these areas through holes in the insole in the front area of the foot.
  • the object of the present invention is to reduce costs and material outlay for the production of insoles compared to the prior art and to reduce the production costs of a shoe comprising these insoles. Furthermore, it is the task of improving the wearing comfort of a shoe by means of an insole, in particular by means of an insole, increasing the fit of the shoe by means of an insole and ventilating or venting the inside of the shoe with the aid of an insole.
  • the present invention is based on the finding that by designing a dome-like, elastically deformable curvature facing the foot, the wearing comfort of a shoe with an insole according to the invention can be considerably improved. Due to the formation of a curve on the top of the insole, the insole lies against the underside of the foot during the entire movement sequence when walking. This subjectively increases the comfort for the wearer of a shoe with an inner sole according to the invention.
  • the bulge is the insole in the middle area of the foot, the forces acting during locomotion can be used particularly advantageously for the deformation of the arch and thus for the air circulation (ventilation) in the shoe.
  • the insole is an insole, since it can be replaced if damaged or heavily worn.
  • the insole according to the invention has ventilation holes through which air is led into the interior of the shoe interior or is discharged therefrom. Due to the deformation of the unfilled bulging of the insole in the midfoot area, caused by walking, air is pumped into the shoe interior through ventilation openings.
  • a large number of holes in the insole, preferably 30, has proven to be advantageous since particularly good ventilation of the interior of the shoe can be achieved through a large number of holes.
  • the grooves on the underside of the insole run radially from the arch towards the outer edges of the insole.
  • the ventilation holes draw in the air from the inside of the shoe into the air chamber formed by the area between the arch and the sole of the shoe and, at the same time, fresh air from outside is directed into the air chamber through the ventilation grooves. This enables constant air exchange inside the shoe.
  • the wearing comfort can be increased by forming a curve on the insole and, at the same time, simple ventilation of the shoe interior can be achieved without great material and financial expenditure.
  • areas formed from a rubber mixture can be provided in the heel and ball area of the shoe sole.
  • the arch can be additionally stabilized by means of webs which are formed on the underside of the insole in the region of the arch, without reducing the ventilation effect.
  • the insole can be provided with at least one web.
  • a textile on the upper side of the insole facing the foot increases the wearing comfort even further.
  • the insole according to the invention can be used particularly effectively in a suitably adapted shoe. It makes sense for the shoe to allow the air to circulate inside the shoe, i.e. the supply and discharge of air via the ventilation grooves in the insole.
  • air channels can be provided on a lateral outer wall of the shoe, with which the grooves of the insole correspond. Via the air channels, the air ventilated via the grooves can be guided outwards along the outer side wall of the shoe.
  • a gas-permeable membrane has proven to be particularly advantageous, at least at the points of the ventilation grooves that end at the shoe, which enables an air exchange of the interior of the shoe via the ventilation grooves.
  • the membrane should prevent the penetration of liquids and dirt into the inside of the shoe and let the liquid out of the inside of the shoe.
  • GORE-TEX-like materials are suitable for the membrane.
  • the membrane is advantageously integrated into the outer material of the shoe.
  • FIG. 1 shows the top of an insole according to the invention facing the foot
  • FIG. 2 shows a side view of the insole from FIG. 1,
  • FIG. 3 shows a view of the underside of the insole from FIG. 1 facing the shoe sole
  • FIG. 5 shows a shoe with an insole according to the invention from FIG. 1,
  • FIG. 8 and FIG. 9 show two exemplary embodiments of the curvature of the inner sole from FIG. 1 in front view
  • 10A and 10B show an exemplary embodiment of the curvature of the insole in a front view and a side view, the curvature being stabilized with several webs.
  • FIG. 1 shows an example of a view of the upper side of an inner sole 1 facing the foot.
  • the shape of the shoe sole is essentially adapted to the profile of a human foot.
  • the inner sole 1 has a bulge 2 in its center, which is described again more clearly with reference to FIG. 2. Contour lines indicate the increase in curvature 2.
  • the curvature 2 has a plurality of ventilation openings 3, which are arranged transversely to the curvature surface 2 in the exemplary embodiment shown. Through the ventilation holes 3, the air from the air chamber formed by the arch 2 and the shoe insole can be pumped into the shoe interior or air from the shoe inner into the vault. In the exemplary embodiment shown, the ventilation openings 3 are formed by holes punched into the insole 1.
  • a plurality of radiating ventilation grooves 4 are formed on the curvature 2.
  • the ventilation grooves run along the underside of the insole 1 towards the outer edge of the insole 1, as will be explained in more detail with reference to FIG. 2.
  • an edge elevation 7 is provided on the outside of the insole 1, which essentially extends between the ball area and the heel area. The edge elevation makes it easier to insert the insole 1 into a shoe, if it is designed as an insole, and increases the wearing comfort.
  • a thin layer formed by a textile is attached to the top of the insole 1, which is indicated by the surface structure 8.
  • FIG. 2 shows a side view of the insole 1 from FIG. 1.
  • the cushioning 5, 6 can be seen in the ball area or heel area.
  • the ventilation grooves 4 are shown, which radiate from the arch 2 to the edge of the insole.
  • the curvature 2 which is provided with numerous ventilation holes 3.
  • the edge elevation 7 of the insole 1 is shown.
  • FIG. 3 shows the underside of an insole from FIG. 1 facing the shoe sole.
  • FIG. 3 essentially shows the same elements that are shown in FIG. 1.
  • the cushioning 5 is formed in the ball area and a further cushioning 6 in the heel area.
  • the cushioning 5, 6 can be formed both on the top of the insole 1 and on its underside.
  • a structure 9 is indicated in the toe area, which can serve, for example, to prevent the insole 1 from slipping in a shoe.
  • the edge elevation 7 can also be seen.
  • the arch 2 facing the foot forms an air chamber on the underside, facing the shoe.
  • the air from the interior of the shoe can be exchanged with the outside of the shoe via the ventilation holes 3 and the grooves 4. This ensures ventilation of the inside of the shoe.
  • the grooves 4 are not so deformable by a load on the human foot when walking that they can no longer exchange air. A certain stiffness of the grooves 4 is accordingly to be provided. In this context, it should also be ensured that any stiffening of the grooves 4 reduces the comfort of a shoe 12 with an insole 1.
  • FIG. 4 shows a section of the insole 1 along the section line A-A from FIG. 3.
  • the damping elements 5, 6 can be seen on the underside of the insole 1 facing the shoe.
  • the arch 2 with ventilation holes 3 can be seen in the middle of the sole on the upper side facing the foot.
  • the edge elevation 7 is formed towards the ball area and towards the heel area.
  • FIGS. 1 to 4 The advantages of the shoe sole according to the invention from FIGS. 1 to 4 and their ventilation function are explained in more detail below with reference to FIG. 5.
  • FIG. 5 shows a shoe with an inner sole according to the invention according to FIGS. 1 to 4.
  • the inner sole 1 is inserted into the shoe 12.
  • the arch 2 inside the shoe is alternately deformed and reshaped by the pressure of the foot.
  • the air in the air chamber formed by the curvature 2 is pumped through the ventilation grooves 4 to the outside of the insole 1.
  • the air discharged from the inner region of the shoe can be discharged to the outside through the membrane 10.
  • the air chamber formed by the curvature fills again with air. Fresh air is conducted through the membrane 10 through the membrane 10 from the outer area of the shoe 12 into the air chamber and air through the ventilation holes 3 inside the shoe is supplied to the air chamber.
  • the air mixture located in the air chamber, as described is partially pumped back into the inside of the shoe or released to the outside of the shoe. This allows ventilation of the inner area of the shoe to be achieved and, at the same time, fresh air from the outer area of the shoe is conducted via the membrane 10 and the grooves 4 into the inside of the shoe. This ensures a constant exchange of air inside the shoe.
  • the grooves must be designed in such a way that they do not deform as a result of the pressure load on the human foot, so that the air transport through the grooves 4 is prevented.
  • the plastic material must therefore be selected at least in the area of the grooves in such a way that the circulation of the air between the inside area of the shoe and the outside area of the shoe is ensured.
  • the membrane 10, which is attached in the area of the grooves 4, is to be selected accordingly so that it allows the air to circulate between the inside and outside of the shoe.
  • FIG. 6 shows a detailed view from FIG. 5, which is designated D in this figure.
  • insole 1 rests on the shoe sole 11, with the grooves 4 venting or ventilation channels between the under the Exercise 2 formed air chamber and the membrane 10 are formed.
  • the ventilation holes 3 are also shown.
  • FIG. 7 shows a detailed view of the area marked D in FIG. 5 in a top view of the upper side of the insole 1.
  • the curved area 2, the membrane 10 and a plurality of grooves 4 are indicated in the figure.
  • grooves 4 form the end or ventilation channels between the air chamber under the arch 2 and the outside of the insole 1 in contact with the membrane 10.
  • the arrows A, B and C exemplarily indicate the air flow that arises from the deformation or reshaping of the curvature 2 and thus the air chamber.
  • the elastic deformation of the curvature 2 leads to the ventilation effect described above and to the exchange of the air inside the shoe with the outside area of the shoe.
  • the membrane 10 When selecting the membrane 10, care must be taken that it is gas-permeable if possible and at the same time prevents the penetration of moisture or dirt into the interior of the shoe. At the same time, however, the membrane should allow moisture to be removed from the inside of the shoe to the outside of the shoe.
  • GORE-TEX materials or comparable materials can therefore be used advantageously.
  • the membrane 10 can only be formed in the area surrounding the grooves 4 or, for example, be part of the entire outer material of the shoe or itself only be a part of the shoe material, in the latter case it makes further sense if the shoe material into which the Membrane 10 is integrated, is gas and moisture permeable.
  • the configuration of the area of the shoe outer material that lies against the ventilation grooves is in accordance with the properties (for example with regard to hard-wearing ability, air permeability, liquid permeability, etc.) of the material and the nature of a membrane 10 which may be used.
  • air channels can also be provided in the lateral outer wall of the shoe 12, which correspond to the grooves 4 of the insole 1.
  • the ventilated air of the grooves 4 engaging in them can then be transported through the air channels to the outside of the shoe.
  • This allows the ventilated air outlet height, i.e. the distance from the floor to the outlet openings for the ventilated air on the shoe 12 can be varied.
  • FIGS. 8 and 9 show two exemplary embodiments of the curvature 2 of the insole 1 from FIG. 1 in a front view. Ventilation holes 3 are provided on both of the bulges 2 shown. As shown in Fig. 8, the curvature 2 has no internal structure. The lower wall of the arch 2 runs essentially parallel to that of the upper side. The underside of the curvature 2, as well as this itself, is essentially convex in shape.
  • the walls of the arch 2 on the underside of the insole 1 can also have a structure.
  • the dotted line indicates how the side walls 15, 16 converge to form a convex shape and are interrupted or hollowed out by an indentation 14 in the central region of the arch 2.
  • the indentation 14 is formed by two bevelled walls which run into a surface approximately parallel to the top of the arch 2.
  • the curvature 2 vary. This does not reduce the ventilation mechanism of the arch. Manufacturing-specific requirements also play an important role in the choice of the structure of the arch 2 on its inside.
  • 10A and 10B show an exemplary embodiment of the curvature 2 of the insole 1 in front view and side view, the curvature 2 being stabilized with a plurality of webs 13.
  • 10A shows the front view of the exemplary embodiment.
  • the structure of the arch 2 of the insole 1 on the underside is similar to that shown in FIG. 9.
  • the curvature 2 in an indentation 14 on the underside of the insole 1 has a plurality of webs 13 which run transversely to the The longitudinal direction of the insole 1 run.
  • the number and design of the webs 13, that is to say, for example, in their thickness, height, stiffness, graded view (for example transversely or along the longitudinal axis of the insole 1), are chosen such that they meet the individual requirements for comfort, rigidity and / or manufacture. meet specific requirements.
  • FIG. 10B shows a side view of the curvature 2 shown in FIG. 10A.
  • the figure shows a possible arrangement of the webs 13 in the curvature.

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP03748000A 2002-09-10 2003-09-10 Semelle interieure et chaussure pourvue d'une telle semelle interieure Expired - Lifetime EP1536710B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10241961 2002-09-10
DE10241961A DE10241961B4 (de) 2002-09-10 2002-09-10 Innensohle und Schuh mit Innensohle oder Einlegesohle
PCT/EP2003/010069 WO2004023916A1 (fr) 2002-09-10 2003-09-10 Semelle interieure et chaussure pourvue d'une telle semelle interieure

Publications (2)

Publication Number Publication Date
EP1536710A1 true EP1536710A1 (fr) 2005-06-08
EP1536710B1 EP1536710B1 (fr) 2009-06-17

Family

ID=31895770

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03748000A Expired - Lifetime EP1536710B1 (fr) 2002-09-10 2003-09-10 Semelle interieure et chaussure pourvue d'une telle semelle interieure

Country Status (7)

Country Link
US (1) US7617618B2 (fr)
EP (1) EP1536710B1 (fr)
AT (1) ATE433682T1 (fr)
AU (1) AU2003267336A1 (fr)
DE (2) DE10241961B4 (fr)
ES (1) ES2325068T3 (fr)
WO (1) WO2004023916A1 (fr)

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WO2009039902A1 (fr) 2007-09-19 2009-04-02 Cetec Ag Semelle intérieure comportant un élément de rigidification

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US20070169375A1 (en) * 2006-01-20 2007-07-26 Eddie Chen Shoe with ventilated arch support region
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US9930926B2 (en) * 2010-06-25 2018-04-03 Implus Footcare, Llc Contoured support insole
US10010131B2 (en) * 2011-02-02 2018-07-03 Implus Footcare, Llc Flow insole
US20130312280A1 (en) * 2011-02-09 2013-11-28 Roy Gardiner Dynamic arch stabilization and rehabilitative shoe insole device
ITVI20120011A1 (it) * 2012-01-13 2013-07-14 Engineering Team Srl Plantare per il miglioramento del ricambio dell'aria all'interno di calzature e relativo metodo di realizzazione
EP3302137A4 (fr) 2015-05-28 2019-01-23 Implus Footcare, LLC Semelle intérieure de chaussure à support profilé
CA2980463A1 (fr) 2015-05-28 2016-12-01 Implus Footcare, Llc Semelle interieure de chaussure a support profile
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DE10241961A1 (de) 2004-03-25
WO2004023916A1 (fr) 2004-03-25
ES2325068T3 (es) 2009-08-25
AU2003267336A1 (en) 2004-04-30
EP1536710B1 (fr) 2009-06-17
US20060137216A1 (en) 2006-06-29
DE10241961B4 (de) 2005-01-20
DE50311614D1 (de) 2009-07-30
ATE433682T1 (de) 2009-07-15
US7617618B2 (en) 2009-11-17

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