CN101060796A - Shock-absorbing device for shoes - Google Patents

Shock-absorbing device for shoes Download PDF

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Publication number
CN101060796A
CN101060796A CNA2005800386580A CN200580038658A CN101060796A CN 101060796 A CN101060796 A CN 101060796A CN A2005800386580 A CNA2005800386580 A CN A2005800386580A CN 200580038658 A CN200580038658 A CN 200580038658A CN 101060796 A CN101060796 A CN 101060796A
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CN
China
Prior art keywords
abscess
housing
main body
crosslinked foams
shock
Prior art date
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Pending
Application number
CNA2005800386580A
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Chinese (zh)
Inventor
朴章远
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Individual
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Individual
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Publication of CN101060796A publication Critical patent/CN101060796A/en
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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear 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
    • A43B7/1415—Footwear 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
    • A43B7/144—Footwear 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
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/12—Soles with several layers of different materials
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/187—Resiliency achieved by the features of the material, e.g. foam, non liquid materials
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/189—Resilient soles filled with a non-compressible fluid, e.g. gel, water
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/20—Pneumatic soles filled with a compressible fluid, e.g. air, gas
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear 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
    • A43B7/1415—Footwear 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
    • A43B7/1445—Footwear 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

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

The present invention provides a shock-absorbing device for shoes comprises a cross-linked foam having a body and at least one inner cavity formed in the body; and a housing containing the cross-linked foam. The shock-absorbing device of the present invention can easily be applied to soles of shoes having diverse sizes and shapes to effectively reduce an impact applied to a foot. Besides, the present invention can cut down a manufacturing cost greatly by simplifying a manufacturing process of the shock-absorbing device.

Description

Shock-absorbing device for shoes
Technical field
The present invention relates to a kind of shock-absorbing device for shoes, more particularly, relate to a kind of like this shock-absorbing device for shoes, it mainly has: the crosslinked foams with abscess (inner cavity) at least one; And housing, this housing holds described crosslinked foams to effectively reduce the impact that is applied to pin.
Background technology
We stand by the footwear on the pin the common most of the time.Footwear are developed into protection people's naked foot.Yet people more and more emphasize the importance of footwear now.Therefore, the function of footwear has been brought up to and has been used to protect backbone, knee joint, ankle-joint and pin.When the people walked or performs physical exercise, the impact meeting that is passed to pin from ground caused very major injury to human body, therefore need increase attachment device to reduce impact for footwear.According to prior art, can reduce to be delivered to the impact of pin by the damping device that is mounted to footwear, this damping device utilizes the air of certain pressure to reduce to impact.
Although utilize the damping device of the injection air of certain pressure can reduce to a certain extent to impact, yet because this damping device uses the atypic injection air that flows, thereby be difficult to keep the size and dimension of this damping device.Consider not to be under normal pressure but to inject air in the damping device that this problem becomes more serious with the certain pressure that surpasses normal pressure.
The damping device of prior art is expelled to the edge that connects housing in the housing then by the air with certain pressure and forms.Because the shape of damping device can be out of shape by the pressure of injection air, thereby during manufacture process, must control the amount and the pressure of injection air.In order to overcome this difficulty, improved method has been proposed.That is: make up and down in the mid portion of housing and edge that case material is connected, even so that when the air of injection certain pressure, also can keep the shape of housing.Although injected the influence of the amount of air and pressure according to the shape of the damping device of said method little, yet must form the footwear parts corresponding to the out-of-flatness of housing, thereby be difficult to make the footwear parts corresponding to the shape of housing.
In addition, make the air injection process that damping device need add.Be difficult to make the each several part of damping device to have different colours and physical characteristic.Yet because injection air itself is used to reduce impact, thereby in case because housing damages or the connection ovfl of housing leaks into outside the housing air, damping device is just lost its function as damper probably.
Summary of the invention
Technical problem
Therefore, consider the problems referred to above that take place in the prior art and make the present invention, and the object of the present invention is to provide a kind of shock-absorbing device for shoes, this shock-absorbing device for shoes can form various sizes, thickness and shape, thereby can be installed in any part of footwear.
Another object of the present invention is to provide a kind of shock-absorbing device for shoes, this shock-absorbing device for shoes can make the each several part of sole have different elasticity capacities.
This shock-absorbing device for shoes another object of the present invention is to provide a kind of shock-absorbing device for shoes, even also can be used as damper when the injection air loss of certain pressure.
Another object of the present invention is to provide a kind of shock-absorbing device for shoes, this shock-absorbing device for shoes can absorb the impact of the various piece that is applied to footwear more effectively and need not inject air in housing.
Another object of the present invention is to provide a kind of shock-absorbing device for shoes, this shock-absorbing device for shoes has more various CF.
Technical scheme
In order to realize these and other advantage, and according to implement and the purpose of the present invention of general description, a kind of shock-absorbing device for shoes comprises: crosslinked foams, this crosslinked foams have main body and are formed on abscess in this main body at least one; And the housing that holds described crosslinked foams.
In such scheme, described crosslinked foams can have a plurality of disconnected each other interior abscesses.
In such scheme, described crosslinked foams can have a plurality of interior abscesses that communicate with each other.
In such scheme, described crosslinked foams can have abscess in many groups, and interior abscess is communicated with adjacent interior abscess in same group.
In such scheme, described crosslinked foams can have abscesses in many groups, disconnected each other second group of abscess communicated with each other in abscess was divided into wherein in described many groups first group and wherein interior abscess.
In such scheme, described main body can have local different color.
In such scheme, abscess can be exposed to the outside at least one.
In such scheme, at least one abscess can be filled with gas, liquid and with the identical or different material of described main body at least a.
In such scheme, can be inserted with in abscess at least one by with the identical or different material of described main body at least a moulding material that forms.
In such scheme, described housing can be filled with gas, liquid and with the identical or different material of described main body at least a.
In such scheme, can be inserted with in the described housing by with the identical or different material of described main body in the moulding material that forms of at least a material.
In such scheme, abscess can be communicated with at least one outer surface of described main body at least one.
In such scheme, on described housing, can be formed with at least one hollow space.
In such scheme, the opposite side that described hollow space can be connected to this housing by the side with described housing forms.
In such scheme, the connection of the described hollow space of described housing can connect by high frequency, ultrasonic wave connects and a kind of carry out of hot compression in connecting.
In such scheme, on the part on the whole surface of described crosslinked foams or surface, can be formed with jockey, be used for this crosslinked foams is connected to the inner surface of described housing.
In such scheme, the sealing of described housing can connect by high frequency, ultrasonic wave connects, hot compression connects and blow a kind of the carrying out of penetrating in the forming method.
In such scheme, described housing can be formed by thermoplastic polyolefin-like resin or TPU.
Should be understood that above-mentioned general description and the following detailed description all are exemplary and explanat, and aim to provide of the present invention further specifying as claimed in claim.
Beneficial effect
According to the present invention, the crosslinked foams that has a plurality of interior abscesses by utilization can freely be controlled size, thickness and the shape of damping device, thereby makes this damping device can be applicable to any part of footwear.
Owing to mainly realize shock-absorbing function by physical characteristic variable crosslinked foams rather than air, thereby the various piece that damping device of the present invention can be sole provides different elasticity capacities.
Because this damping device can not need the injection air of certain pressure and realize shock-absorbing function satisfactorily, thereby in the manufacture process of this damping device, do not need the air injection process that adds.Therefore, manufacture process can be simplified, thereby manufacturing cost can be reduced.
Because air do not play a crucial role for damping in the present invention, even thereby the injection air in described housing because the damage of this housing when leaking, also can be kept the shock-absorbing function of described damping device.
Can be contained in the color of the crosslinked foams in the described housing and shape and the color that differently changes damping device of the present invention by abscess in filling with different materials by change.
Description of drawings
From detailed description below in conjunction with accompanying drawing, will be expressly understood above and other objects of the present invention, feature and other advantage more, in the accompanying drawings:
Fig. 1 is the stereogram according to the damping device of the embodiment of the invention;
The various modifications of the embodiment of Fig. 2 presentation graphs 1;
Fig. 3 is the stereogram of damping device according to another embodiment of the present invention;
The various modifications of the embodiment of Fig. 4 presentation graphs 3;
Fig. 5 is the cutaway view of damping device according to another embodiment of the present invention; And
Fig. 6 is the cutaway view that expression has the sole of damping device of the present invention.
The specific embodiment
Now the preferred embodiments of the present invention shown in the accompanying drawing are described in detail.
Fig. 1 is the stereogram according to the damping device of the embodiment of the invention, and Fig. 2 (a) is to the various modifications of the embodiment of (d) presentation graphs 1.As shown in fig. 1, damping device of the present invention mainly comprises crosslinked foams 100 and the housing 200 that holds this crosslinked foams 100.Crosslinked foams 100 is the main devices that absorb the external impact that is applied to damping device, and mainly has main body 110 and at least one the interior abscess 120 that is formed in this main body 110.Main body 110 can make various expanded material foaming as known in the art by utilizing various foaming method as known in the art.It is desirable to, can select to have ethene-vinyl acetate (EVA) resinoid of different vinyl acetate contents (VA%) or have the raw material of polyethylene (PE) resinoid of different densities as expanded material.Yet expanded material is not limited to these materials.
Main body 110 can form Any shape, thereby the shape of main body is not limited to the shape of Fig. 2.The shape of main body 110 can be according to the thickness of sole and shape and is freely changed, as shown in Figure 6.Fig. 6 is the cutaway view that expression has the sole of damping device of the present invention.The color of main body 110 can freely change.That is, can make main body 110 have solid color or each several part has different colors by suitable control pigment.Interior abscess 120 can be formed in the main body 110 with different shape, is applied to the impact of damping device with absorption.That is, interior abscess 120 is the spaces by being formed on the internal shaping face 121 in the main body and separating with main body 110.
If in main body 110, be formed with a plurality of in abscess 120, then a plurality of interior abscesses 120 can have different structure, for example the mixed structure of closed type cavity structure, connected type cavity structure and these structures.In closed type cavity structure, abscess all is independently formed in the main body 110 in each in a plurality of interior abscesses 120, and the gas that is captured in each interior abscess 120 is used for absorbing independently impact.In connected type cavity structure, abscess 120 communicates with each other in each, thereby the gas in the interior abscess 120 is used for absorbing impact when passing the interior abscess 120 of connection.In mixed type cavity structure, a plurality of interior abscesses 120 form closed type cavity structure and connected type cavity structure.(a) of Fig. 2, (c) and (d) show the various examples of closed type cavity structure, and Fig. 2 (b) shows the example of mixed type cavity structure.The invention is not restricted in these structures any.
Abscess 120 can be formed at least one surface of main body 110 at least one, thereby be exposed to the outside of this main body 110, perhaps abscess 120 can be communicated with at least one surface of main body 110 at least one, thus the gas by permission air and so on abscess at least one 120 and be formed on crosslinked foams 100 and housing 200 between the zone between the space in flow freely and increase cushioning ability.
Fig. 5 is the cutaway view of damping device according to another embodiment of the present invention.As shown in this Fig, in main body 10, be formed with at least one air duct with different shape 130, so that interior abscess is communicated with the surface of main body 110.
In at least one abscess can be filled with gas (for example, air), liquid and with the identical or different material of main body at least a, to improve the absorbability and the aesthetic values of crosslinked foams 100.Example as an alternative, can with by with the identical or different material of main body 110 at least a moulding material that forms put at least one abscess.
Can by on the surface that is formed on main body 110 and the air duct that is communicated with interior abscess 120 packing material is filled in the abscess 120.Can be by in the abscess 120 in after the part of cutting main body 110 moulding material being expelled to and moulding material is put into abscess 120.Yet fill method and injecting method are not limited thereto.Put into all abscesses 120 or some abscesses 120 wherein in case will have the packing material or the moulding material of different qualities and function, the various piece of damping device just can have different cushioning abilities.
Housing 200 holds crosslinked foams 100 and this crosslinked foams 100 and its external environment condition is separated, thereby keeps the shape of this crosslinked foams 100 and realize shock-absorbing function.Although housing 200 can form different shape, however it is desirable to housing 200 have with its in the corresponding shape of shape of the crosslinked foams 100 that held.It is desirable to, housing 200 can be formed by thermoplastic polyolefin-like resin or thermoplastic polyurethanes resin.Yet case material is unrestricted, as long as it has enough durabilities and sealing is leaked to prevent packing material.
Can carry out the sealing of housing 200 by a kind of method in hot press method, ultrasonic wave method of attachment and the high frequency method of attachment.These methods of attachment are known in the art, thereby these methods are not elaborated here.Be filled with gas or liquid if hold the housing 200 of crosslinked foams 100, then when the user got on one's shoes, crosslinked foams 100 can float in housing 200 and move.In addition, the shock-absorbing function of damping device can be because the distortion of the crosslinked foams 100 that the local difference of institute's applied pressure cause and variation.In order to overcome this problem, can form jockey on the whole surface of crosslinked foams or on the part on the surface, this jockey is used for crosslinked foams 100 is connected to the inner surface of housing 200.Can crosslinked foams 100 be connected to the inner surface of the housing of being faced 200 by applying liquid or solid binder on the part on the whole surface of crosslinked foams 100 or surface.Also can utilize and be formed at least a jockey on the crosslinked foams 100 by a kind of in fabric and the case material and crosslinked foams 100 is connected to the inner surface of the housing of being faced 200.Described fabric need be easily connected to housing 200 and have low elasticity.Above-mentioned method of attachment only is an example, other various methods of attachment can be applied to the present invention.
Crosslinked foams 100 of the present invention is excellence aspect damping and shape maintenance.In addition, can improve the shock-absorbing function of crosslinked foams 100 by the effect of the gas in the abscess 120 in being trapped in.Therefore, can be in housing 200 extra injection gas and the shock-absorbing function of realizing ideal.
Yet, can in housing 200, fill a certain amount of gas (for example, air) or liquid with further raising shock-absorbing function.Can in housing, fill packing material rather than gas or the liquid identical or different with crosslinked foams 100.As selection, can in housing 200, insert by with the identical or different material of crosslinked foams 100 at least a moulding material that forms.As previously mentioned, in at least one abscess 120 can be filled with gas, liquid and with the identical or different material of main body 110 at least a, perhaps can with by with the identical or different material of main body 110 at least a moulding material that forms insert at least one in the abscess 120.Operation in material filled and be inserted in abscess 120 and the housing 200 is used to improve the shock-absorbing function of damping device.Thereby, can be optionally internally abscess 120 and housing 200 carry out and fill and insert operation, perhaps internally abscess 120 and housing 200 all carry out above-mentioned operation.For example, if gas or liquid are filled in the housing 200 that accommodates the crosslinked foams 100 with closed type cavity structure, then be filled in gas or the liquid in the housing 200 and be captured in gas in the abscess 120 all independently realize shock-absorbing function.If gas or liquid is filled into the housing 200 that includes the crosslinked foams 100 with connected type cavity structure and is formed in the air duct 130 on the main body 110, then gas of being filled or liquid are at the free-pouring shock-absorbing function of realizing simultaneously of interior abscess by being communicated with.
Simultaneously, if be filled in the housing 200 gas of certain pressure or a certain amount of fluid and sealing, then the part of housing 200 can be owing to the pressure that is formed in the housing 200 be out of shape, and so can not keep its shape.In order to overcome this problem, the invention provides another embodiment.Fig. 3 is the stereogram of damping device according to another embodiment of the present invention, and Fig. 4 (a) and (b) the various modifications of the embodiment of presentation graphs 3.In the present embodiment, different with above embodiment, in housing 200, be formed with at least one hollow space 210.Even when being filled into the gas of certain pressure or certain amount of fluid in the housing 200, hollow space 210 also can keep the shape of housing 200.It is desirable to, hollow space 210 can link together by the facing surfaces with housing 200 and form.In (a) of Fig. 4, on the end face of housing 200, form the hollow space 210 that at least one extends to the bottom surface of housing 200.Linking together of housing 200 with hollow space 210 corresponding end faces and bottom surface.In (b) of Fig. 4, at least one pair of relative hollow space 210 is respectively formed on the end face and bottom surface of housing 200, and the end face and the bottom surface between up and down hollow space 210 respect to one another of housing 200 link together.
When in housing 200, being formed with hollow space 210, must crosslinked foams 100 form a hole with hollow space 210 corresponding positions, to hold this hollow space 210.Thereby because the existence of this hole and hollow space 210, even when housing 200 is filled with gas or liquid, crosslinked foams 100 also can keep its position and realize shock-absorbing function.
Although not shown in the drawings, yet if crosslinked foams 100 is made of a plurality of crosslinked foams that separate, hollow space 210 can make a plurality of crosslinked foams separately separately and with its sealing.The same with the connection of housing 200, can connect by hot compression, ultrasonic wave connects and a kind of connection of carrying out hollow space 210 of high frequency in connecting, yet method of attachment is not limited thereto.
It will be apparent to those skilled in the art that and under the situation that does not deviate from the spirit or scope of the present invention, to carry out various modifications and variations described shock-absorbing device for shoes.Thereby if modification of the present invention and modification fall within the scope of claims and equivalent thereof, then the present invention ought to cover these modifications and modification.

Claims (18)

1, a kind of shock-absorbing device for shoes, this shock-absorbing device for shoes comprises:
Crosslinked foams, this crosslinked foams have main body and at least one the interior abscess that is formed in this main body; And
The housing that holds described crosslinked foams.
2, device according to claim 1 is characterized in that, described crosslinked foams has a plurality of disconnected each other interior abscesses.
3, device according to claim 1 is characterized in that, described crosslinked foams has a plurality of interior abscesses that communicate with each other.
4, device according to claim 1 is characterized in that, described crosslinked foams has abscess in many groups, and interior abscess is communicated with adjacent interior abscess in same group.
5, device according to claim 1 is characterized in that, described crosslinked foams has abscesses in many groups, disconnected each other second group of abscess communicated with each other in abscess was divided into wherein in described many groups first group and wherein interior abscess.
6, device according to claim 1 is characterized in that, described main body has local different color.
According to each described device in the claim 1 to 6, it is characterized in that 7, abscess is exposed to the outside at least one.
8, according to each described device in the claim 1 to 6, it is characterized in that, at least one abscess be filled with gas, liquid and with the identical or different material of described main body at least a.
9, according to each described device in the claim 1 to 6, it is characterized in that, be inserted with in abscess at least one by with the identical or different material of described main body in the moulding material that forms of at least a material.
10, according to each described device in the claim 1 to 6, it is characterized in that, described housing be filled with gas, liquid and with the identical or different material of described main body at least a.
11, according to each described device in the claim 1 to 6, it is characterized in that, be inserted with in the described housing by with the identical or different material of described main body in the moulding material that forms of at least a material.
According to each described device in the claim 1 to 6, it is characterized in that 12, abscess is communicated with at least one outer surface of described main body at least one.
13, device according to claim 1 is characterized in that, is formed with at least one hollow space on described housing.
14, device according to claim 13 is characterized in that, described hollow space forms by the opposite side that the side with described housing is connected to this housing.
15, device according to claim 14 is characterized in that, a kind of the carrying out during the connection of the described hollow space of described housing connects by high frequency connection, ultrasonic wave connection and hot compression.
16, device according to claim 1 is characterized in that, is formed with jockey on the part on the whole surface of described crosslinked foams or surface, is used for this crosslinked foams is connected to the inner surface of described housing.
17, device according to claim 1 is characterized in that, the sealing of described housing is by high frequency connection, ultrasonic wave connection, hot compression connection and blow a kind of the carrying out of penetrating in the forming method.
18, device according to claim 1 is characterized in that, described housing is formed by thermoplastic polyolefin-like resin or TPU.
CNA2005800386580A 2004-11-12 2005-04-13 Shock-absorbing device for shoes Pending CN101060796A (en)

Applications Claiming Priority (2)

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KR1020040092660 2004-11-12
KR1020040092660A KR100642662B1 (en) 2004-11-12 2004-11-12 Shock absorbing device for shoes

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CN101060796A true CN101060796A (en) 2007-10-24

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US (1) US20080066342A1 (en)
EP (1) EP1814416A1 (en)
JP (1) JP2008519643A (en)
KR (1) KR100642662B1 (en)
CN (1) CN101060796A (en)
BR (1) BRPI0517821A (en)
MX (1) MX2007005680A (en)
WO (1) WO2006052052A1 (en)

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KR100642662B1 (en) 2006-11-10
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US20080066342A1 (en) 2008-03-20
EP1814416A1 (en) 2007-08-08

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