CN104780799A

CN104780799A - Article of footwear

Info

Publication number: CN104780799A
Application number: CN201280076552.XA
Authority: CN
Inventors: 傅大卫
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-08-21
Filing date: 2012-09-10
Publication date: 2015-07-15
Also published as: HK1206216A1; WO2014030025A1; HK1205652A1; US20150230547A1; EP2887831A4; EP2887831A1

Abstract

An article of footwear (100) comprising: a substantially elongated sole (110) for binding and supporting a human foot, a foot restraint (20) for binding the article of footwear (100) to a human foot, the sole (110) having: a top surface, a bottom surface (114), a first portion (116) that interacts with at least a heel region of the person's foot, a second portion (118) that interacts with at least the ground when the person walks, and a third portion (115) disposed between the top and bottom surfaces (114). The article of footwear is characterized. The first portion (116) of the sole (110) comprises a first material having a first material characteristic, the second portion (118) of the sole (110) comprises a second material having a second material characteristic, and the third portion (115) of the sole (110) comprises a third material having a third material characteristic. The first portion (116) and the second portion (118) extend at least to an upper surface of the sole (110). The first material property provides damping of impact loads applied to the person's foot when the article of footwear (100) contacts the ground. The third material property is viscoelasticity for providing controlled deformation when the article of footwear (100) is in contact with the ground and returning to an initial state when the impact is removed.

Description

Article of footwear

Technical field

The present invention relates to article of footwear technical field, particularly relate to the footwear of synthesized form.

Background technology

As everyone knows, the vibrational loading applied the sole of people by the sole of article of footwear and vibration force, have long-term impact to the sound of human synovial, but, particularly when the shoe is worn between long time, sometimes also cause pain and uncomfortable.

In addition, as everyone knows, the downside that the most of load impacted is delivered to the heel portion of the people's pin wearing footwear is produced to people's pin.

Article of footwear of the prior art adopts the comfortableness of the pin improving user in various manners and the adaptability to it, comprising: absorption of vibrations insert, various types of foam rubber and air cushion thing.This article of footwear needs increase manufacturing cost and manufacture processing usually, therefore, adds the complexity of production.

The invention provides a kind of article of footwear, which overcome, or at least some defect that the article of footwear at least substantially improving prior art presents.

Summary of the invention

According to first aspect, the invention provides a kind of article of footwear, it comprises:

Be essentially longilineal sole, for fettering and supporting people's pin, described sole has: upper surface, lower surface, at least and the interactional Part I of the heel area of this people's pin, walk up to less and the synergistic Part II in ground and the Part III that is arranged between described upper surface and lower surface people; And

Bundle heel piece, for this article of footwear is strapped in people's pin,

The feature of this article of footwear is, the Part I of this sole comprises first material with the first material behavior, the Part II of this sole comprises second material with the second material behavior, and the Part III of this sole comprises the 3rd material with the 3rd material behavior

And described Part I and described Part II at least extend to the upper surface of this sole; When this article of footwear kiss the earth, the first material behavior provides vibration damping to the impact load being applied to this people's pin; Described 3rd material behavior is viscoplasticity, and it for providing in check distortion when described article of footwear and earth surface, and returns to original state after removal is impacted.

The length that described Part III extends and width are substantially equal to length and the width of described sole.

The viscoplasticity of described Part III is uneven in the horizontal.The mode at middle part and sidepiece that the viscoplasticity of the middle body of described Part III makes this middle body be greater than described Part III with amplitude of deformation is out of shape, so that relative to the transverse shifting of described sole to anti-human pin during walking.

The viscoplasticity of described Part III is uneven in the vertical.Preferably, described Part II can at least interact with the metatarsal area of people's pin.

Preferably, this Part I also provides and interacts with the arch of foot of this user, and supports the arch of foot of this user at least in part.

Preferably, this Part I substantial lateral ground extends across this sole.

Alternatively, this Part I is provided as first district's sheet and second district's sheet, and is spaced laterally apart, and outside making the heel of this firstth district sheet and user, lower interacts, and in the middle part of the heel of this secondth district sheet and this user, lower interacts.Preferably, first district's sheet of this Part I and the size of second district's sheet and the selection of material enable to provide lateral stability, and make power load distributing at the heel of people.

This first material behavior is different from this second material behavior.This first material, this second material are different mutually.The density of this first material, this second material is different mutually.

This Part I, this Part II are preferably selected from the group comprising polymeric material, rubber, elastomeric material and organic material or their compound.

Preferably, this first material, this second material be from comprise thermoplastic, polymeric materials, copolymer and mixing copolymer blend group select.

Preferably, this first material, this second material select from the group comprising polyurethane, ethylene-vinyl acetate, polyvinyl acetate etc.

This first material, this second material and the 3rd material provide in the gel-type mode of expansion type, compact or its compound.

Preferably, this first material is polyurethane gle, and this second material is foaming poly vinyl acetate material.

Preferably, this first material is polyurethane gle, and this second material is polyurathamc.

Preferably, described Part III is set to shape memory foamable polymer and selects viscosity and density, makes described Part III provide described viscoplasticity in conjunction with described 3rd material behavior.Preferably, the 3rd material is polyurethane.

Described Part III is set to the form of the deformable subdivision be connected to each other, or the form of deformable subdivision disconnected from each other.

Preferably, described Part III is the shape memory sponge structure of foaming.

Preferably, described subdivision has the geometry of Part-spherical.

Preferably, described bundle heel piece is from comprising belt, sealing the group of part, hasp etc. and select.

Preferably, this sole is by this Part I of coforming and this Part II are formed unitary construction, this Part III of encapsulating in this sole together.Preferably, this sole is bonded together by bonding agent, contact cement pressure or heat-activated films etc. by this Part I and this Part II and is formed unitary construction.

Preferably, the upper surface of this sole is set to continuous print surface substantially, and by the Part I of this sole and being formed at least partially of Part II.Preferably, this Part I partly extends to the lower surface of this sole.Alternatively, this Part I extends through the lower surface of this sole to this sole.

Preferably, this upper surface is spill, and this sole comprises at least in part along the outward flange that the periphery of this sole extends, to provide the upper surface of the contour shape being configured to the bottom surface holding this people's pin.

The Part I of this sole is set to multilayer gel structure.

This sole also comprises Part IV, this Part IV extends to the upper surface of this sole and has when contact surface and the impact load be applied on this people's pin provides the material behavior of vibration damping, and described Part III at least interacts with the metatarsal area of this people's pin.

Preferably, this article of footwear is set to substantially not close, and more preferably, is set in the mode of " flip-flop " formula article of footwear.Alternatively, provide this article in the mode of " sandals " formula article of footwear, or these article provide as the article of footwear closed at least partly.

Alternatively, this article of footwear provides as high heel article, so that from this Part I to the direction of this Part II, the upper surface of this sole is tilting from this upper surface to the direction of this lower surface, and this Part III is positioned at the part substantially preventing or reduce this people's pin and move along the upper surface of this sole.This Part IV is positioned to adjacent with the big toe ball of the bottom surface of this people's pin.

Preferably, described first material is gel-like polymeric material, and described second material is expansion type polymeric material, sole preferably integrated structure, and described Part I and Part II form flexible sole jointly.

Preferably, a part for described Part I and a part for described Part II form the upper surface of described sole.

According to second aspect, the invention provides a kind of article of footwear, it comprises:

Substantially elongated sole, comprises Part I, Part II and Part III, and has upper surface and lower surface,

Described Part I be used for the bottom surface of directly this people's pin of contact at least partially and with its interaction, and to be formed by first polymeric material with the first density;

And described Part II forms this whole lower surface substantially, and directly kiss the earth and with this ground interaction, and to be formed by second polymeric material with the second density;

And described Part III is arranged between upper surface and lower surface, and formed by terpolymer material,

Substantially elongated softness bundle heel piece, for this article of footwear is bound to people's pin, described bundle heel piece at least directly engages with described Part II, and is configured to extend on the part above this people's pin;

Wherein this first polymeric material and this second polymeric material are selected, and this Part I and this Part II are sized and arrange, to make this sole substantially soft and have elasticity, thus in use and when people walks, this sole can longitudinally significantly bending and restore;

Wherein this first polymeric material and this second polymeric material are selected, and this Part I and this Part II are sized and arrange, provide vibration damping during to apply load when contacting this surface to this people's pin;

Wherein said 3rd material behavior is viscoplasticity, it is for providing in check distortion when described article of footwear and earth surface, and returns to original state after removal is impacted;

Wherein said sole forms unitary construction by this Part I of coforming and this Part II, is equipped with this Part III be encapsulated in this sole, and in order to carry out described coforming, suitably selects this first polymeric material and this second polymeric material.

Preferably, this first density is greater than this second density.Preferably, this first material provides with gel form, and this second polymeric material provides with foam forms.

According to preferred embodiment, described bundle heel piece is " flip-flop " formula bundle part, and in the mode of " flip-flop " formula article of footwear, provides this article of footwear.

The viscoplasticity of described Part III in the horizontal or longitudinally on be uneven.

The mode at middle part and sidepiece that the viscoplasticity of the middle body of described Part III makes this middle body be greater than described Part III with amplitude of deformation is out of shape, so that relative to the transverse shifting of described sole to anti-human pin during walking.This first polymeric material and this second polymeric material be from comprise thermoplastic, polymeric materials, copolymer and mixing blend polymer group select.Preferably, this first polymeric material and this second polymeric material select from the group comprising polyurethane, ethylene-vinyl acetate, polyvinyl acetate etc.

According to preferred embodiment, this first material is polyurethane gel material, and this second material is blown polyurethane materials.

Described Part III is set to shape memory foamable polymer and selects viscosity and density, makes described Part III provide described viscoplasticity in conjunction with described 3rd material behavior.Preferably, described 3rd material is polyurethane.

Described Part III is set to be connected to each other or the form of deformable subdivision disconnected from each other.

Preferably, described Part III is set to the shape memory sponge structure of foaming.

Preferably, described subdivision has the geometry of Part-spherical and is.

This Part I substantial lateral ground extends the upper surface across this sole, and substantially forms the rear portion of the upper surface of this sole.This Part II forms the front portion of the upper surface of this sole at least partially.

Alternatively, Part I forms the front portion of the upper surface of this sole at least partially, and this Part II forms the rear portion of the upper surface of this sole at least partially.

According to optional embodiment, this Part I forms the whole upper surface of this sole substantially.

This Part I also provides and to interact with the arch of foot of this user and to support the arch of foot of this user at least in part.

According to other embodiments, this Part I comprises the first district's sheet and second district's sheet that are spaced laterally apart, and outside making the metatarsal district of this firstth district sheet and this people's pin, lower interacts, and in the middle part of the metatarsal district of this secondth district sheet and this people's pin, lower interacts.First district's sheet of this Part I and the size of second district's sheet and the selection of material enable to provide lateral stability, and make power load distributing at the heel of people.

According to other embodiments, this upper surface is spill, and this sole comprises at least in part along the outward flange that the periphery of this sole extends, to provide the upper surface of the contour shape being configured to the bottom surface holding this people's pin.

Accompanying drawing explanation

As an example, below with reference to the accompanying drawings, the preferred embodiments of the present invention are described in further detail, wherein:

Fig. 1 a is the plane of the exemplary embodiments according to article of footwear of the present invention;

Fig. 1 b is the side view of the embodiment of the present invention shown in Fig. 1 a;

Fig. 1 c is the side view of the amplification of the part disassembly diagram of embodiment in Fig. 1 a and Fig. 1 b;

Fig. 1 d describes the article of footwear being in stationary state of the embodiment in Fig. 1 a;

Fig. 2 a shows the exemplary embodiment of the Part III of article of footwear of the present invention;

The sectional view that the linearly E-E that Fig. 2 b shows the embodiment in Fig. 2 a cuts;

Fig. 2 c shows another exemplary embodiment of the Part III of article of footwear of the present invention;

The sectional view that the linearly F-F that Fig. 2 d shows the embodiment in Fig. 2 c cuts;

Fig. 3 a shows the sectional view of the first schematic diagram of article of footwear of the present invention;

Fig. 3 b shows the sectional view of the second schematic diagram of article of footwear of the present invention;

Fig. 3 c shows the sectional view of the 3rd schematic diagram of article of footwear of the present invention;

Fig. 3 d shows the sectional view of the 4th schematic diagram of article of footwear of the present invention;

Fig. 3 e shows the sectional view of the 5th schematic diagram of article of footwear of the present invention;

Fig. 3 f shows the sectional view of the 6th schematic diagram of article of footwear of the present invention;

Fig. 3 g shows the sectional view of the 7th schematic diagram of article of footwear of the present invention;

The sectional view of the first schematic diagram that Fig. 3 h shows article of footwear of the present invention linearly A-A;

The sectional view of the 3rd schematic diagram that Fig. 3 i shows article of footwear of the present invention linearly B-B;

The sectional view of the second schematic diagram that Fig. 3 j shows article of footwear of the present invention linearly C-C;

The sectional view of the 7th schematic diagram that Fig. 3 k shows article of footwear of the present invention linearly D-D;

Fig. 4 a is the plane of the another exemplary embodiments according to article of footwear of the present invention;

Fig. 4 b is the upward view of the embodiment of the present invention shown in Fig. 4 a;

Fig. 4 c is the side view of the embodiment of the present invention shown in Fig. 4 a and 4b;

Fig. 5 a is the plane of another graphic representation of the embodiment of the present invention;

Fig. 5 b is the plane of another second graphic representation of the embodiment of the present invention;

Fig. 5 c is the plane of another graphic representation of the embodiment of the present invention;

Fig. 5 d is the plane of the another graphic representation of the embodiment of the present invention;

Fig. 6 a is the plane of the first graphic representation of another embodiment of the present invention;

Fig. 6 b is the plane of the second graphic representation of another embodiment of the present invention;

Fig. 6 c is the plane of the 3rd graphic representation of another embodiment of the present invention;

Fig. 7 a illustrates another embodiment again according to article of footwear of the present invention;

Fig. 7 b illustrates another embodiment again according to article of footwear of the present invention;

Fig. 8 illustrates the another kind of embodiment according to article of footwear of the present invention;

Fig. 9 illustrates the another kind of again embodiment according to article of footwear of the present invention.

Detailed description of the invention

With reference to figure 1a to 1d, show the exemplary embodiments according to article of footwear 100 of the present invention.In the present embodiment, the article of footwear 100 provided is " flip-flop " formula article forms, but such as sandals, nothing are with other article of slippers etc. or other embodiments or variant embodiment to be also applicable to the present invention.

Article 100 provide substantially elongated sole 110, in the present invention, sole 110 provides three parts: Part I 116, Part II 118 and configuration Part III 115 between the first and second, but those skilled in the art understand, without departing from the present invention, article 100 can also provide more parts.

The invention provides bundle heel piece 120, it is arranged is in order to together with making article 100 and people's pin coordinate to be strapped in.Although show typical case's " flip-flop " to restraint pin thing, those skilled in the art understand, other bundle pin things of such as belt, hasp, inter-access piece etc., are equally also applicable to the present invention.Coordinate with sole 110, article 110 are strapped on people's pin by bundle heel piece 120.

Bundle heel piece 120 is by being fixed on the sole 110 of these article through the through hole of sole 110, and this bundle heel piece 120 has the downside 114 for being resisted against sole 110 and is positioned at the appearance of the groove of the downside 114 of sole 110.In addition, those skilled in the art understand, as long as be suitable for, various bundle heel piece can also otherwise be bound on sole 110.

Arrange Part I 116, and be suitable for by when standing people or walk the material heel of people being provided to buffering or vibration damping, form this Part I 116.Front portion or the bone part of Part II 118 pairs of people's pin provide supporting.

Part III 115 has viscoplasticity, and it for providing in check distortion when described article of footwear and earth surface, and returns to original state after removal is impacted.

The Part I 116 of sole 110 is made up of gel-like polymeric material, is polyurethane gel material in the present embodiment, can provide buffering and vibration damping for the heel portion of user.

The Part II 118 of sole 110 is made up of another kind of polymeric material, is blown polyurethane materials in the present embodiment, and Part II 118 is one-body molded with Part I 110.The Part II of the present embodiment forms the main body of sole.When user walks, the flexibility of Part II and suitable size thereof can provide significant bending for sole, thus strengthen the comfortableness of user.

In the present embodiment 100, the length that Part III 115 extends and width are substantially equal to length and the width of described sole.But it will be appreciated by those skilled in the art that in other embodiments, the viscoplasticity of described Part III is uneven in the horizontal.

Such as, the mode at the viscoplasticity of the middle body of the described Part III middle part and sidepiece that make this middle body be greater than described Part III with amplitude of deformation is out of shape, so that relative to the transverse shifting of described sole to anti-human pin during walking.

This can contribute to the probability preventing or at least reduce user to slide from middle part and the sidepiece of article of footwear to a certain extent.This can provide following advantages: the load of the heel portion of article of footwear is uniformly distributed, thus extends life of product.Should be appreciated that the viscoplasticity of described Part III can be uneven in the vertical, this depends on the desired physical considerations of article of footwear.

In a preferred embodiment, such as in the present embodiment, described Part III is set to shape memory foamable polymer and selects viscosity and density, makes described Part III provide described viscoplasticity in conjunction with described 3rd material behavior.Preferably, described 3rd material is polyurethane.

In the present embodiment 100, Part I 116 and Part II 118 one-body molded by co-molded operation, Part III 115 is arranged in this model, thus can be encapsulated in the sole 110 of article of footwear 100.

In addition, this common mode operation makes Part I 116 and Part II 118 can be continuous, thus forms junction surface but not interface between Part I 116 and Part II 118.This formation process is the adhesion providing suitable reinforcement between Part I 116 and Part II 118.

As is known by those skilled in the art, common mode operation refers to and is molded together by each several part, and is usually formed by common die.

Sole 110 is formed by common mode, sole 110 is the invention enables to become continuous, thus the structure formed as one, and then make the manufacture of shape become simple, also make the upper surface 112 of sole become continuous simultaneously, also the bottom surface of the pin of user can be allowed directly to contact sole, make shaping and manufacture become simpler like this.In addition, by providing the structure of one, sole 110 being formed by Part I 116 and Part II 118 substantially, so just reaching and simplifying object that is shaping and that manufacture.

In other embodiments, if be suitable for, this sole 110 is formed by this Part I 116 and this Part II 118 being bonded together by bonding agent, contact cement pressure or heat-activated films etc.

Although in the present embodiment, Part I 116, Part II 118 are be made up of polyurethane gle, expansion type polyurethane material and shape memory polyurethane viscoelastic material respectively, but those skilled in the art are to be understood that, also other polymeric materials or thermo-plastic polymeric material can be used, such as poly vinyl acetate material or other suitable polymeric materials.

Alternatively, in other embodiments, it will be appreciated by those skilled in the art that and also can use other materials, such as rubber, elastomeric material and organic material or their compound, and copolymer, the polymeric blend of mixing and compound thereof.In addition, when not exceeding scope of the present invention, described material can be compact polymer, expansion type polymeric material, gel rubber material or its compound.In addition, sole 110 can be made up of the homogenous material of Density inhomogeneity, thus provides the Part I with appropriate pooling feature, and other parts of sole are then made with the form of expansion type, can make structural integrity like this.

In other embodiments, buffer unit can be set in sole, such as " air cushioning " parts, to provide extra buffering for the pin of user.

The schematic exemplary embodiment of Part III 200a, 200b of the present invention is shown see Fig. 2 a and Fig. 2 b, Fig. 2 a to Fig. 2 d.Part III 200a, 200b can be provided as polymeric sheet, or other have suitable Viscoelastic Deformation part 210a, the film of 210b, and as shown in the figure, Viscoelastic Deformation part 210a, 210b are connected to each other by film 220a, 220b.

It will be appreciated by those skilled in the art that according to the present invention, various embodiments, material or structure can be used, as long as the viscoplasticity that Part III 200a, 200b need can be provided.

Preferably, Part III 200a, 200b are provided as expansion type shape memory sponge structure, such as, and expansion type polyurethane material.In addition, it will be appreciated by those skilled in the art that required other any similar materials viscoelastic can be provided to be equally applicable to the present invention.

Fig. 3 a to 3g shows the schematic cross sectional views of some alternate embodiment of article of footwear 300a to 300g of the present invention.According to special requirement and the required physical characteristic of article of footwear 300a to 300g, article of footwear 300a to 300g comprises the Part III 310a to 310g formed by different geometries.

It will be appreciated by those skilled in the art that Part III 300a to 300g can have different geometries and size, can extend different amounts on horizontal and vertical, to provide different viscoplasticity vibration dampings, this also depends on the purposes of article of footwear certainly.

Fig. 3 h to 3k is sectional view, shows Part III 310a, 310c, 310b and 310g of being encapsulated in article of footwear 300a, 300c, 300b and 300g.

Fig. 4 a to 4c shows another exemplary embodiment of article of footwear of the present invention.In the present embodiment, sole 410 has by the concave upper surface 412 of suitable profile appearance, thus cosily can be applicable to the pin of user when user's dress article 400.The periphery that outward flange 413 is set to along sole 410 extends, thus also provides that to give user comfortable and corresponding to pin.

In the present embodiment, Part I 416 extends further, forms mid portion 419, to provide arch support to people's pin.Those skilled in the art understand, without departing from the present invention, in other embodiments or variant embodiment, can arrange other geometries and the layout of this Part I 416, to provide cushion pad in the bottom surface of people's pin.

The graphic representation of embodiments of the invention is shown with reference to figure 5a to 5d.With reference to figure 5a, show embodiments of the invention 500a, facing to the metacarpal bone part of user's pin, Part IV 515a is set, to play cushioning effect to the front portion of user's pin.Part IV can be formed by material identical with Part I 516a in different materials.

In another embodiment of the article of footwear 500b shown in Fig. 5 b, Part I 516b and Part II 515b is formed integrally with housing casings, and they support the outside of user's foot plate surface synergistically.

With reference to figure 5c, show the embodiment of article of footwear 200c, the part 519c of Part I provides middle arch support.

In another embodiment according to article of footwear 500d of the present invention as fig 5d, Part I 516d is set to the district's sheet be separated at two that are spaced laterally apart, to increase intermediate support or outside supporting, and cushioning effect is played to the downside of the heel part of the pin of user.

With reference to figure 6a, 6b and 6c, show article of footwear 600a, 600b and the 600c with various bundle heel piece.Fig. 6 a illustrates bundle heel piece 620, and it is that the typical case of " flip-flop " restraints heel piece.Fig. 6 b illustrates " cross-over connection " formula bundle heel piece, and Fig. 6 c illustrates single tape formula bundle heel piece 620c.Those skilled in the art understand, without departing from the present invention, various types of bundle heel piece is also suitable for.

With reference to figure 7a, show another embodiment according to article of footwear 700 of the present invention.In the present embodiment, Part I 710 extends along the whole length of article 700, to provide whole upper surface 720.In this embodiment, Part I 710 is also formed by gel rubber material, with when being subject to impacting, together with forming the blown polymeric foam of Part II 720, provides vibration damping to the pin of user.

In addition, in the present embodiment, elongated slot 740 is laterally extending by the upper surface 720 of article 700.Groove 740 allows Part I 710 local deformation, plays additional damping effect so during use to the pin of user.In addition, laterally extending groove 4740 also plays the effect of " non-slip ", like this, during use, prevents the pin of user from skidding relative to another face 720.

With reference to figure 7b, show another embodiment according to article of footwear 700 of the present invention.Identical with the embodiment shown in Fig. 7 a, Part I 710 extends along the whole length of article of footwear 700, to form whole upper surface 720.In addition, Part II is formed by the foamed polymer material 720 of form of foam, and it extends along the whole length of article 700.

In the present embodiment, groove 740 is set, identical with the embodiment shown in Fig. 7 a, it allows Part I 710 local deformation, and due to the similar characteristics of gel, coordinate with the foamable polymer characteristic of Part II 730, during use, groove 740 can produce additional vibration damping and buffering to the pin of user.In addition, groove 740 also plays the effect of " non-slip ", and during use, the pin reducing user like this skids on the upper surface 720 of article 700.

With reference to figure 8, show another embodiment according to article of footwear 800 of the present invention.In the present embodiment, Part I 810 is also formed by gel rubber material, and in this embodiment, it is arranged on the front portion of article of footwear 800.Part I 810 forms a part for upper surface 820, and Part II 830 is also formed by foamed polymer material, and it forms the remainder of upper surface 820.

In the present embodiment, in use, Part I 810 provides vibration damping and absorption of vibrations in the front portion of the pin of user, and in addition, the Part I being positioned at this position makes the pin of user non-slip, and in use, prevents from sliding on upper surface 820.

Now, with reference to figure 9, show another embodiment according to article of footwear 900 of the present invention.In the present embodiment, Part I 910 is also formed with the form of gel rubber material, and Part II 930 is formed with the form of foamable polymer.Part I 910 extends along the whole length of article of footwear 900, to form the whole upper surface 920 of article 900.

The embodiment of the present invention described in superincumbent explanation, those skilled in the art understand, arrange article of footwear, with the whole sole making the sole of these article comprise these article, and sole is only strapped in the bottom of the pin of user by this bundle heel piece.There is different names in this article of footwear difference place in the world, comprises such as " flip-flop (flip flop) ", " flip-flop (thongs) " and " pinch slippers (jandals) ".

Those skilled in the art understand, in order to provide the article of footwear of flip-flop shoe, these article must be very soft, with in people's walking or when strolling, and can continuous bend.This sole is significantly different from the sole of traditional article of footwear, and therefore, with comparing with provided required by flip-flop shoe article of footwear, the amount of bow that the sole of conventional footwear article allows is less, and usually in a part for sole.

Those skilled in the art also understand, needing provides a kind of article, and these article, after repeatedly alternating bending, still keep its structural intergrity, and Part I and Part II are not separated or layering.

In addition; those skilled in the art also understand; claimed according to the present invention and the sole of flip-flop product illustrated in the accompanying drawings, only comprise upper part and low portion, as mentioned above; when not wearing socks; this upper part (that is, Part I) directly contacts the bottom surface of the pin of user, and low portion (namely; Part II) the direct contact people ground of walking or on the surface, and do not use additional external annex etc.

In addition, those skilled in the art understand and understand, flip-flop shoe footwear are because typical use often suffers rugged environment condition, such as water and long-term sunlight irradiate, and the material and the mode that coupled together by each several part that therefore form them must can tolerate this severe environmental conditions.

Like this, those skilled in the art understand, there is significant difference between the sole of article of footwear of the present invention and the sole of conventional footwear, and the sole of conventional footwear described in the prior is formed by multilayer.

Be understood that, because sole of the present invention only comprises Part I and Part II, so in view of above-described typical use, must in some way these two parts firmly be connected or be bonded together, because there is not outside footwear body, therefore, even if the insecure inner side being bonded to footwear of inner sole, also to remain in footwear.

Instant invention overcomes the problem of prior art such as layering, provide a kind of article of footwear, its sole is significantly different from the sole of conventional footwear, its sole must can tolerate very a large amount of bending and deformation, and keep the structural intergrity of sole.By adopting " coforming method ", gel rubber material and the polymeric material coforming foamed in some way, to realize continuity between gel-type material and foamed polymer material.This provides a kind of overall sole of unitary construction, the practical problem existed when which overcoming the bonding technology adopting and adopt in such as prior art and service life problem.Coforming method can provide structural intergrity, but also the bonding between the material of sole corner can be made to keep good, exceedes the amount of bow that conventional footwear is born.

In addition, coforming method simplifies production, makes easy to manufacture, and can reduce manual labor, does not need to form separately this two parts, and does not need the Final finishing process of assembling each several part.

Therefore, these two parts are shaping, and form overall structure, therefore, this sole is formed by " continuously " polymeric material, and without the need to adhesive etc., therefore, repeatedly bend in a large number even if exist, and also reduce uncombined incidence.Coforming method provides rapid and cost and time effectively manufacture, and decreases the quantity of waste of material, therefore, is also environmental benefits.

Although with reference to above-described example or preferred embodiment, describe the present invention, it should be understood that they help to understand example of the present invention, and there is no restrictive, sense.Apparent or obvious various modification or amendment and all should be counted as equivalent the present invention to the various improvement that they do for those skilled in the art.

In addition, although with reference to " flip-flop " formula article of footwear, explain the present invention, it should be understood that within the scope of General Principle, no matter whether the present invention be modified all can be applied to other footwear article.

Claims

1. an article of footwear, comprising:

Be essentially longilineal sole, it is for fettering and supporting people's pin, and described sole has: upper surface, lower surface, at least and the interactional Part I of the heel area of this people's pin, walk up to less and the synergistic Part II in ground and the Part III that is arranged between described upper surface and lower surface people; And

Bundle heel piece, it is for being strapped in people's pin by this article of footwear,

Described Part I and described Part II at least extend to the upper surface of this sole; When this article of footwear kiss the earth, the first material behavior provides vibration damping to the impact load being applied to this people's pin; Described 3rd material behavior is viscoplasticity, and it for providing in check distortion when described article of footwear and earth surface, and returns to original state after removal is impacted.

2. article of footwear according to claim 1, the length that wherein said Part III extends and width are substantially equal to length and the width of described sole.

3. the article of footwear according to any one in the claims, the viscoplasticity of wherein said Part III is uneven in the horizontal.

4. article of footwear according to claim 3, the mode at middle part and sidepiece that the viscoplasticity of the middle body of wherein said Part III makes this middle body be greater than described Part III with amplitude of deformation is out of shape, so that relative to the transverse shifting of described sole to anti-human pin during walking.

5. the article of footwear according to any one in the claims, the viscoplasticity of wherein said Part III is uneven in the vertical.

6. the article of footwear according to any one in the claims, wherein said Part II can at least interact with the metatarsal area of people's pin.

7. the article of footwear according to any one in the claims, wherein this Part I also provides and interacts with the arch of foot of this user, and supports the arch of foot of this user at least in part.

8. the article of footwear according to any one in the claims, wherein this Part I substantial lateral ground extends across this sole.

9. the article of footwear according to any one in the claims, wherein this Part I is provided as first district's sheet and second district's sheet, and be spaced laterally apart, thus the outside lower of the heel of this firstth district sheet and this people interacts, and the middle part lower of the heel of this secondth district sheet and this user interacts.

10. article of footwear according to claim 9, wherein first district's sheet of this Part I and the size of second district's sheet and the selection of material enable to provide lateral stability, and make power load distributing at the heel of people.

11. article of footwear according to any one in the claims, wherein this first material behavior is different from this second material behavior.

12. article of footwear according to any one in the claims, wherein this first material, this second material are different mutually with the 3rd material.

13. article of footwear according to any one in the claims, wherein this first material, this second material and the 3rd material respectively have different density.

14. article of footwear according to any one in the claims, wherein this first material behavior, this second material behavior are different mutually with the 3rd material behavior.

15. article of footwear according to any one in the claims, wherein this Part I, this Part II and this Part III select from the group comprising polymeric material, rubber, elastomeric material and organic material or their compound.

16. article of footwear according to any one in the claims, wherein this first material, this second material and the 3rd material be from comprise thermoplastic, polymeric materials, copolymer and mixing copolymer blend group select.

17. article of footwear according to any one in the claims, wherein this first material, this second material and the 3rd material select from the group comprising polyurethane, ethylene-vinyl acetate, polyvinyl acetate etc.

18. article of footwear according to any one in the claims, wherein this first material, this second material and the 3rd material provide in the gel-type mode of expansion type, compact or its compound.

19. article of footwear according to any one in the claims, wherein this first material is polyurethane gle, and this second material is foaming poly vinyl acetate material.

20. article of footwear according to any one in the claims, wherein this first material is polyurethane gle, and this second material is polyurethane material.

21. article of footwear according to any one in the claims, wherein said Part III is set to shape memory foamable polymer and selects viscosity and density, makes described Part III provide described viscoplasticity in conjunction with described 3rd material behavior.

22. article of footwear according to claim 21, wherein said 3rd material is polyurethane.

23. article of footwear according to claim 21 or 22, wherein said Part III is configured to the form of the deformable subdivision be connected to each other.

24. article of footwear according to any one in claim 21 to 23, wherein said Part III is set to the shape memory sponge structure foamed.

25. article of footwear according to claim 21 or 22, wherein said Part III is set to the form of deformable subdivision disconnected from each other.

26. article of footwear according to claim 23 or 25, wherein said subdivision has the geometry of Part-spherical.

27. article of footwear according to any one in the claims, wherein said bundle heel piece is from comprising belt, sealing the group of part, hasp etc. and select.

28. article of footwear according to any one in the claims, wherein by this Part I of coforming and this Part II together, this sole is formed unitary construction, this Part III of encapsulating in this sole.

29. article of footwear according to any one in claim 1 to 27, wherein this sole is formed unitary construction, and this Part I and this Part II are bonded together by bonding agent, contact cement pressure or heat-activated films etc.

30. article of footwear according to any one in the claims, wherein the upper surface of this sole is set to continuous print surface substantially, and by the Part I of this sole and being formed at least partially of Part II.

31. article of footwear according to any one in the claims, wherein this Part I partly extends to the lower surface of this sole.

32. article of footwear according to any one in claims 1 to 30, wherein this Part I extends through the lower surface of this sole to this sole.

33. article of footwear according to any one in the claims, wherein this upper surface is spill, and this sole comprises at least in part along the outward flange that the periphery of this sole extends, to provide the upper surface of the contour shape being shaped to the bottom surface holding this people's pin.

34. article of footwear according to any one in the claims, wherein this sole also comprises Part IV, this Part IV extends to the upper surface of this sole, and have and provide the material behavior of vibration damping to the load be applied on this people's pin when contacting this surface, described Part III at least interacts with the metatarsal area of this people's pin.

35. article of footwear according to any one in the claims, wherein this Part I is set to multilayer gel structure.

36. article of footwear according to any one in the claims, wherein this bundle heel piece is set up, and is not substantially closed to make people's pin.

37. article of footwear according to any one in the claims, wherein provide this article in the mode of " flip-flop " formula article of footwear.

38. article of footwear according to any one in claims 1 to 35, wherein provide this article in the mode of " sandals " formula article of footwear.

39. article of footwear according to any one in claims 1 to 35, wherein these article provide as the article of footwear closed at least partly.

40. article of footwear according to claim 33, wherein this article of footwear provides as high heel article, so that from this Part I to the direction of this Part II, the upper surface of this sole is tilting from this upper surface to the direction of this lower surface, and this Part III is positioned at the part substantially preventing or reduce this people's pin and move along the upper surface of this sole.

41. article of footwear according to claim 34, wherein this Part III is positioned to adjacent with the big toe ball of the bottom surface of this people's pin.

42. article of footwear according to any one in the claims, wherein said Part I, Part II and Part III form flexible sole jointly.

43. article of footwear according to any one in the claims, wherein said Part II defines the whole lower surface of described sole, for direct contact surface; A part for described Part I and a part for described Part II define the whole upper surface of described sole, and described upper surface is used for the bottom surface directly contacting people's pin; Described Part I and Part II form whole sole.

44. 1 kinds of article of footwear, comprising:

Substantially elongated sole, comprise Part I, Part II and Part III, and there is upper surface and lower surface, described Part I be used for the bottom surface of directly this people's pin of contact at least partially and with its interaction, and it is formed by first polymeric material with the first density; And described Part II forms this whole lower surface substantially, and directly contact surface and with this surface interaction, and to be formed by second polymeric material with the second density; And described Part III is arranged between upper surface and lower surface, and formed by terpolymer material,

Substantially elongated flexible bundle heel piece, for this article of footwear is bound to people's pin, described bundle heel piece at least directly engages with described Part II, and is formed, thus extends on a part for the upside of this people's pin;

Wherein this first polymeric material and this second polymeric material are selected, and this Part I and this Part II are sized and arrange, to make this sole substantially soft and have elasticity, thus in use and when people strolls, this sole can longitudinally significantly bending and restore;

Wherein said 3rd material behavior is viscoplasticity, and when described article of footwear and earth surface, and when impact is removed afterwards and described article of footwear returns to original state, described viscoplasticity can provide in check distortion;

Wherein pass through this Part I of coforming and this Part II together, this sole is formed unitary construction, be equipped with this Part III be encapsulated in this sole, and in order to carry out described coforming, suitably select this first polymeric material and this second polymeric material.

45. article of footwear according to claim 44, wherein this first density is greater than this second density.

46. article of footwear according to claim 44 or 45, wherein this first material provides with gel form, and this second polymeric material provides with foam forms.

47. article of footwear according to any one in claim 44 to 46, wherein said bundle heel piece is " flip-flop " formula bundle part, and in the mode of " flip-flop " formula article of footwear, provides this article of footwear.

48. article of footwear according to any one in claim 44 to 47, the length that wherein said Part III extends and width are substantially equal to length and the width of described sole.

49. article of footwear according to any one in claim 44 to 48, the viscoplasticity of wherein said Part III is uneven in the horizontal.

50. article of footwear according to claim 49, the mode at middle part and sidepiece that the viscoplasticity of the middle body of wherein said Part III makes this middle body be greater than described Part III with amplitude of deformation is out of shape, so that relative to the transverse shifting of described sole to anti-human pin during walking.

51. article of footwear according to any one in claim 44 to 50, the viscoplasticity of wherein said Part III is uneven in the vertical.

52. article of footwear according to any one in claim 44 to 51, wherein this first polymeric material and this second polymeric material be from comprise thermoplastic, polymeric materials, copolymer and mixing blend polymer group select.

53. article of footwear according to any one in claim 44 to 52, wherein this first polymeric material and this second polymeric material select from the group comprising polyurethane, ethylene-vinyl acetate, polyvinyl acetate etc.

54. article of footwear according to any one in claim 44 to 53, wherein this first material is polyurethane gel material, and this second material is blown polyurethane materials.

55. article of footwear according to any one in claim 44 to 54, wherein said Part III is set to shape memory foamable polymer and selects viscosity and density, makes described Part III provide described viscoplasticity in conjunction with described 3rd material behavior.

56. article of footwear according to claim 55, wherein said 3rd material is polyurethane.

57. article of footwear according to claim 55 or 56, wherein said Part III is set to the form of the deformable subdivision be connected to each other.

58. article of footwear according to any one in claim 55 to 57, wherein said Part III is the shape memory sponge structure of foaming.

59. article of footwear according to claim 55 or 56, wherein said Part III is set to the form of deformable subdivision disconnected from each other.

60. article of footwear according to claim 57 or 59, wherein said subdivision has the geometry of Part-spherical.

61. article of footwear according to any one in claim 44 to 60, wherein this Part I substantial lateral ground extends the upper surface across this sole.

62. article of footwear according to any one in claim 44 to 61, wherein Part I forms the rear portion of the upper surface of this sole substantially.

63. article of footwear according to claim 62, wherein this Part II forms the front portion of the upper surface of this sole at least partially.

64. article of footwear according to any one in claim 44 to 61, wherein Part I forms the front portion of the upper surface of this sole at least partially.

65. article of footwear according to claim 64, wherein this Part II forms the rear portion of the upper surface of this sole at least partially.

66. article of footwear according to any one in claim 44 to 65, wherein this Part I also provides and to interact with the arch of foot of this user and to support the arch of foot of this user at least in part.

67. article of footwear according to any one in claim 44 to 66, wherein this Part I forms the whole upper surface of this sole substantially.

68. article of footwear according to any one in claim 44 to 60, wherein this Part I comprises the first district's sheet and second district's sheet that are spaced laterally apart, outside making the metatarsal district of this firstth district sheet and this people's pin, lower interacts, and in the middle part of the metatarsal district of this secondth district sheet and this people's pin, lower interacts.

69. article of footwear according to claim 68, wherein first district's sheet of this Part I and the size of second district's sheet and the selection of material enable to provide lateral stability, and make power load distributing at the heel of people.

70. article of footwear according to any one in claim 44 to 69, wherein this upper surface is spill, and this sole comprises at least in part along the outward flange that the periphery of this sole extends, to provide the upper surface of the contour shape being configured to the bottom surface holding this people's pin.