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WO2018137653A1 - 鞋底结构及其制作方法 - Google Patents

鞋底结构及其制作方法 Download PDF

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Publication number
WO2018137653A1
WO2018137653A1 PCT/CN2018/073979 CN2018073979W WO2018137653A1 WO 2018137653 A1 WO2018137653 A1 WO 2018137653A1 CN 2018073979 W CN2018073979 W CN 2018073979W WO 2018137653 A1 WO2018137653 A1 WO 2018137653A1
Authority
WO
WIPO (PCT)
Prior art keywords
sole
layer
sole layer
foot
opening
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.)
Ceased
Application number
PCT/CN2018/073979
Other languages
English (en)
French (fr)
Inventor
陆一平
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.)
Qingyuan Global Technology Services Ltd
Original Assignee
Qingyuan Global Technology Services Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingyuan Global Technology Services Ltd filed Critical Qingyuan Global Technology Services Ltd
Priority to US16/480,343 priority Critical patent/US20190373981A1/en
Priority to EP18745073.9A priority patent/EP3574788A4/en
Priority to JP2019540453A priority patent/JP2020505158A/ja
Publication of WO2018137653A1 publication Critical patent/WO2018137653A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/02—Football boots or shoes, i.e. for soccer, football or rugby
    • 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
    • A43B13/026—Composites, e.g. carbon fibre or aramid fibre; the sole, one or more sole layers or sole part being made of a composite
    • 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
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C15/00—Non-skid devices or attachments
    • A43C15/16—Studs or cleats for football or like boots
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C15/00—Non-skid devices or attachments
    • A43C15/16—Studs or cleats for football or like boots
    • A43C15/161—Studs or cleats for football or like boots characterised by the attachment to the sole
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C15/00—Non-skid devices or attachments
    • A43C15/16—Studs or cleats for football or like boots
    • A43C15/162—Studs or cleats for football or like boots characterised by the shape
    • 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
    • A43B13/181—Resiliency achieved by the structure of the sole
    • 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
    • A43B13/22—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer
    • A43B13/24—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer by use of insertions
    • A43B13/26—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer by use of insertions projecting beyond the sole surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00—Producing footwear
    • B29D35/12—Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
    • B29D35/14—Multilayered parts
    • B29D35/142—Soles

Definitions

  • the present invention relates to a sole structure; in particular, the present invention relates to a sole structure having a foot.
  • the shoes provide protection for the user's feet.
  • sporty shoes in addition to providing foot protection, they also stabilize the foot and provide better contact with the ground.
  • the sole is prone to wear and wear, and a wearable sole structure is required.
  • the weight of the shoes also needs to be lightweight.
  • the sole structure of the existing soccer shoes the foot nails are directly inserted into the sole structure, and when the ground is stepped on, especially in the running state, the impact on the foot is large, causing the user to be at risk of injury. Therefore, the existing sole structure still needs to be improved.
  • the sole structure includes a first sole, a second sole, and a foot.
  • the first sole layer has an upper surface and a lower surface, and has a plurality of openings extending through the upper surface.
  • the foot nail is disposed near one side of the lower surface and corresponds to the opening. There is a gap between the foot and the corresponding opening.
  • the second sole layer covers the first sole layer. Wherein a portion of the second sole is attached to the upper surface, and a portion of the second sole is attached to the lower surface, and the second sole on one side of the lower surface fills the opening and is coupled to the foot.
  • the first sole layer has a plurality of tube walls respectively surrounding the circumferences of the openings and extending toward one side of the lower surface, and the end of the tube wall away from the lower surface is converged toward the center of the opening, the first The bottom layer of the second shoe covers the wall of the tube.
  • the gap is between the end of the tube wall remote from the lower surface and the foot.
  • the first sole layer is a hard fiber sole layer
  • the second sole layer is a thermoplastic elastic sole layer
  • the second sole layer and the foot nail are of the same material.
  • the first sole layer is a carbon fiber sole layer
  • the second sole layer is a thermoplastic polyurethane sole layer
  • the method of making a sole structure includes the steps of forming a plurality of feet in the mold.
  • a first sole layer is disposed in the mold, wherein the first sole layer has an upper surface and a lower surface, and has a plurality of openings extending through the upper surface.
  • the foot is disposed adjacent one side of the lower surface and corresponds to the opening, and has a gap between the foot and the corresponding opening.
  • the method of making further comprises the step of distributing the uncured second sole layer within the mold. Wherein a portion of the second sole is attached to the upper surface and a portion of the second sole is attached to the lower surface.
  • a second sole layer on one side of the lower surface fills the opening and is coupled to the foot.
  • the first sole layer has a plurality of tube walls respectively surrounding the circumferences of the openings and extending toward one side of the lower surface, and the end of the tube wall away from the lower surface is converged toward the center of the opening, the first The bottom layer of the second shoe covers the wall of the tube.
  • the gap is between the end of the tube wall remote from the lower surface and the foot.
  • the first sole layer is a hard fiber sole layer
  • the second sole layer is a thermoplastic elastic sole layer
  • the second sole layer and the foot nail are of the same material.
  • the first sole layer is a carbon fiber sole layer
  • the second sole layer is a thermoplastic polyurethane sole layer
  • FIG. 1 is a schematic view showing an embodiment of a first sole layer of a sole structure of the present invention
  • FIG. 2A is a cross-sectional view of an embodiment of a sole structure
  • 2B is a partial enlarged view of the sole structure at the position of the foot nail
  • Figure 3 is a flow chart of the sole structure
  • 4 and 5 are schematic views showing a manufacturing process of a sole structure
  • Figure 6A is a schematic view showing the distribution of the second sole layer
  • 6B is a schematic view showing the completion of the connection between the second sole layer and the foot nail
  • Figure 7 is a schematic illustration of another embodiment of a foot nail.
  • FIG. 1 is a schematic view of an embodiment of a first sole layer 110 of a sole structure 10 of the present invention.
  • sole structure 10 includes a first sole layer 110.
  • the first sole layer 110 has an upper surface 112 and has a plurality of openings 116 extending through the upper surface 112.
  • FIG. 2A the first sole layer 110 has an upper surface 112 and a lower surface 114, and an opening 116 in the first sole layer 110 extends through the upper surface 112 and the lower surface 114.
  • sole structure 10 includes a second sole 120 and a spike 130.
  • the foot nail 130 is disposed adjacent one side of the lower surface 114 and corresponds to the opening 116.
  • each opening 116 is provided with a corresponding foot pin 130.
  • the second sole layer 120 encloses the first sole layer 110, wherein a portion of the second sole layer 120 is attached to the upper surface 112 and a portion of the second sole layer 120 is attached to the lower surface 114.
  • a second sole 120 passes between the foot nail 130 and the lower surface 114 and is attached to the lower surface 114.
  • FIG. 2B is a partial enlarged view of the sole structure 10 at the position of the foot nail 130.
  • the first sole layer 110 has an opening 116.
  • the opening 116 has a perimeter 118, wherein each opening 116 has a tube wall 111 that surrounds the periphery 118 of the opening 116 and extends toward one side of the lower surface 114.
  • the tube wall 111 has a first end 111a and a second end 111b.
  • the first end 111a is coupled to the first sole layer 110, and the second end 111b is located opposite the first end 111a of the tube wall 111.
  • the tube wall 111 extends from the first end 111a toward one side of the lower surface 114, and the end of the tube wall 111 away from the lower surface 114 (ie, the second end 111b) is converged toward the center of the opening 116.
  • the opening 116 tapers as the tube wall 111 moves away from the lower surface 114 to form a sloped tube wall.
  • the tube wall is formed in a closed shape.
  • the tube wall 111 on the left side in FIG. 2B is rotated to the right side with the line of the foot nail-opening to form a closed cone shape (the lower still has a leading direction).
  • the opening of the foot nail may be of a semi-closed configuration, such as two tubes having a semi-circular cross section, with a gap between the two tube walls.
  • the shape of the opening 116 is not limited to a circular shape. In other embodiments, the opening shape may be triangular or may have different shapes depending on design requirements at different positions of the first sole layer.
  • the second sole layer 120 passes through the gap d and is attached to the lower surface 114.
  • the second sole layer 120 on one side of the lower surface 114 fills the opening 116 and is coupled to the foot pin 130.
  • the second sole layer 120 can enclose the first sole layer 110 and join the foot pins 130 via the gap d in a manner that fills the opening of the first sole layer 110.
  • the second sole layer 120 covers the tube wall 111, that is, the coating of the tube wall by attaching the upper and lower surfaces and filling the opening.
  • Figure 3 is a flow chart of the sole structure.
  • the manufacturing method of the sole structure includes the step S10: forming a plurality of foot nails. A plurality of feet are formed in the mold first.
  • the first sole layer is disposed, and a gap is maintained between the first sole layer and the foot.
  • the sole structure can be formed using a mold.
  • the mold 20 includes an upper module 21 and a lower module 22.
  • the upper module 21 has a plurality of flow passages 24 for injection molding.
  • the manufacturing process begins by forming the foot pins 130 in the mold 20 and then placing the first sole layer 110 into the mold 20.
  • the first sole layer 110 has an opening 116 and a gap is maintained between the foot nail 130 and the corresponding opening 116.
  • the second sole layer is distributed on the first sole layer.
  • An uncured second sole layer is distributed within the mold and distributed over the upper and lower surfaces of the first sole.
  • the uncured second sole layer is injected from the flow path and distributed over the upper surface 112 and the lower surface 114 of the first sole layer 110.
  • the uncured second sole layer is injected from the flow passage 24 (or 24a) of the corresponding opening 116, and the uncured second sole layer is distributed on the upper surface 112 of the first sole layer 110, and may also flow to the lower portion via the opening 116.
  • One side of the surface 114 is distributed over the lower surface 114 of the first sole layer 110.
  • the second sole layer 120 After the second sole layer 120 is cured, a portion of the second sole 120 is attached to the upper surface 112, and a portion of the second sole 120 is attached to the lower surface 114.
  • the second sole 120 on one side of the lower surface 114 is a filling opening and is coupled to the foot nail 130.
  • a flow path (eg, 24b) at a different location than the opening may be added to inject the uncured second sole to adjust the injection speed.
  • a small hole may be formed in the first sole layer 110 through the upper and lower surfaces, for example, a position corresponding to the flow passage 24b, thereby allowing the uncured second sole layer to pass through the opening and the first sole edge. The other position flows to the lower surface to adjust the uniformity of the injection distribution.
  • Figure 6A is a schematic illustration of a distribution of a second sole.
  • the uncured second sole layer reaches the first sole layer 110 from the path r1 and is distributed on the upper surface 112 via the path r11 and the path r12. Additionally, the uncured second sole may pass from the path r1 through the opening to the lower surface 114. As shown in FIG. 6A, the uncured second sole layer is distributed to the lower surface 114 through the gap d between the foot nail 130 and the first sole layer 110 via the path r21 and the path r22.
  • the partially uncured second sole layer can be guided to flow toward one side of the lower surface 114, and the flow of the uncured second sole layer near the gap d is prevented from being blocked to provide uncured
  • the second sole layer has better fluidity when distributed on the lower surface via the gap.
  • FIG. 6B is a schematic view showing the completion of the connection of the second sole layer to the foot nail.
  • the second sole 120 is filled with a second sole 120 at a position corresponding to the opening, in addition to the upper surface 112 and the lower surface 114.
  • the second sole layer 120 filled in the opening is connected to the foot nail 130 along the tube wall 111 via a gap.
  • the first sole layer is a hard fiber sole layer
  • the second sole layer is a thermoplastic elastic sole layer.
  • the second sole layer can provide elasticity from the lower surface along the tube wall to the portion of the foot nail, in addition, the portion of the second sole layer filled in the opening will be attached to the side of the lower surface and the attached upper surface.
  • One side is connected in one piece to provide flexibility and durability, and it can reduce the impact force when stepping on the ground and improve the protection effect.
  • the foot nail can be made of the same material as the second sole layer, so that the second sole layer and the foot nail have a similar deformation amount to ensure the structure is stable, but the material of the foot nail is not limited thereto.
  • the first sole may be a carbon fiber sole
  • the second sole may be a thermoplastic polyurethane (TPU) sole.
  • TPU thermoplastic polyurethane
  • the use of a carbon fiber sole as the first sole allows for a lighter overall weight.
  • the thermoplastic sole layer is used as the second sole layer covering the first sole layer, which can improve the wear resistance of the sole structure, and can also provide good tortuosity effect for running.
  • different foot pins 130 can be formed at different locations of the sole structure.
  • the foot nail 130 has a convex portion 134 that protrudes from the base portion 132 and protrudes toward the upper surface side in addition to the base portion 132 in the foregoing embodiment.
  • the portion in which the convex portion 134 and the second sole layer 120 are filled in the opening are combined with each other to improve the bonding effect of the foot nail 130 with the first sole layer 110 and the second sole layer 120.
  • the force from the ground for the foot nails to return to the ground during running can provide resilience and shock absorption through the second sole (thermoplastic polyurethane sole), and on the other hand
  • the carbon fiber sole layer (the first sole layer) provides support to maintain the sole structure from deformation.
  • the sole structure and the sole structure of the present invention can improve the overall elasticity and durability.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Mechanical Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

一种鞋底结构（10），包括第一鞋底层（110）、第二鞋底层（120）以及足钉（130）。第一鞋底层（110）具有上表面（112）及下表面（114），且具有多个开口（116）贯穿上表面（112）。足钉（130）设置于接近下表面（114）一侧且对应于开口（116）。足钉（130）与对应的开口（116）之间具有间隙。第二鞋底层（120）包覆第一鞋底层（110）。部分的第二鞋底层（120）贴附于第一鞋底层（110）的上表面（112），且部分的第二鞋底层（120）贴附于第一鞋底层（110）的下表面（114），位于第一鞋底层（110）下表面（114）一侧的第二鞋底层（120）填充开口（116）且与足钉（130）连接。

Description

鞋底结构及其制作方法 技术领域
本发明是关于一种鞋底结构；具体而言，本发明是关于一种具足钉的鞋底结构。
背景技术
鞋子可提供使用者足部的保护，以运动用途的鞋子来说，除了要能提供足部保护，还要能稳定足部、以及提供与地面较佳的接触效果。以足球鞋为例，由于使用者长时间的奔跑，鞋底容易产生磨损，须要有耐磨的鞋底结构。另外，为减少使用者的疲惫感，鞋子的重量也需要轻量化。此外，现有的足球鞋的鞋底结构，足钉是直接套入鞋底结构中，在踩踏地面时，特别是奔跑状态下，对足部的冲击较多，造成使用者容易有受伤的风险。因此现有的鞋底结构仍有待改进。
发明的公开
本发明的一目的在于提供一种鞋底结构及鞋底结构的制作方法，可提高整体的弹性与耐用性。
鞋底结构包含第一鞋底层、第二鞋底层、以及足钉。第一鞋底层具有上表面及下表面，且具有多个开口贯穿上表面。足钉设置接近下表面的一侧且对应于开口。足钉与对应的开口之间具有间隙。第二鞋底层包覆第一鞋底层。其中，部分的第二鞋底层贴附于上表面，且部分的第二鞋底层贴附于下表面，位于下表面一侧的第二鞋底层填充开口且与足钉连接。
于一实施例中，该第一鞋底层具有多个管壁分别围绕该些开口周缘，并朝该下表面的一侧延伸，该管壁远离下表面的一端朝该开口中心收束，该第二鞋底层包覆该管壁。
于一实施例中，该间隙位于该管壁远离下表面的一端与足钉之间。
于一实施例中，该第一鞋底层为硬质纤维鞋底层，该第二鞋底层为热塑性弹性鞋底层。
于一实施例中，该第二鞋底层与足钉为相同材质。
于一实施例中，该第一鞋底层为碳纤维鞋底层，该第二鞋底层为热塑性聚氨酯鞋底层。
鞋底结构的制作方法包含以下步骤：于模具内形成多个足钉。于模具内设置第一鞋底层，其中第一鞋底层具有上表面及下表面，且具有多个开口贯穿上表面。足钉设置接近下表面的一侧且对应于开口，且足钉与对应的开口之间具有间隙。制作方法还包含步骤：于模具内分布未固化的第二鞋底层。其中，部分的第二鞋底层贴附于上表面，且部分的第二鞋底层贴附于下表面。位于下表面一侧的第二鞋底层填充开口且与足钉连接。
于一实施例中，该第一鞋底层具有多个管壁分别围绕该些开口周缘，并朝该下表面的一侧延伸，该管壁远离下表面的一端朝该开口中心收束，该第二鞋底层包覆该管壁。
于一实施例中，该间隙位于该管壁远离下表面的一端与足钉之间。
于一实施例中，该第一鞋底层为硬质纤维鞋底层，该第二鞋底层为热塑性弹性鞋底层。
于一实施例中，该第二鞋底层与足钉为相同材质。
于一实施例中，该第一鞋底层为碳纤维鞋底层，该第二鞋底层为热塑性聚氨酯鞋底层。
附图的简要说明
图1为本发明鞋底结构的第一鞋底层的实施例示意图；
图2A为鞋底结构的实施例剖面图；
图2B为鞋底结构于足钉位置的局部放大图；
图3为鞋底结构制作流程图；
图4及图5为鞋底结构制作过程示意图；
图6A为分布第二鞋底层的示意图；
图6B为第二鞋底层与足钉连接完成的示意图；
图7为足钉的另一实施例示意图。
主要元件符号说明：
10鞋底结构
20模具
21上模块
22下模块
24,24a,24b流道
110第一鞋底层
111管壁
111a第一端
111b第二端
112上表面
114下表面
116开口
118周缘
120第二鞋底层
130足钉
132基部
134凸部
r1、r11、r12、r21、r22路径
d间隙
实现本发明的最佳方式
本发明提供一种鞋底结构，具弹性设计，可提高对足部的保护。本发明 的鞋底结构可运用于运动鞋，例如足球鞋，但不限于此。请参考图1。图1为本发明鞋底结构10的第一鞋底层110的实施例示意图。如图1所示，鞋底结构10包含第一鞋底层110。第一鞋底层110具有上表面112，且具有多个开口116贯穿上表面112。请参考图2A的剖面图。如图2A所示，第一鞋底层110具有上表面112及下表面114，第一鞋底层110上的开口116贯穿上表面112与下表面114。
此外，鞋底结构10包含第二鞋底层120以及足钉130。足钉130设置接近下表面114的一侧且对应于开口116。举例而言，每一开口116设置对应一个足钉130。第二鞋底层120包覆第一鞋底层110，其中，部分的第二鞋底层120贴附于上表面112，且部分的第二鞋底层120贴附于下表面114。如图2A所示，在下表面114的一侧，第二鞋底层120穿过足钉130与下表面114之间并贴附于下表面114。
请参考图2B。图2B为鞋底结构10于足钉130位置的局部放大图。为方便说明，图2B中仅绘示足钉130与第一鞋底层110开口116附近的部分，未绘示第二鞋底层。如前所述，第一鞋底层110具有开口116。参考图1及图2B，开口116具有周缘118，其中每一开口116具有一管壁111围绕开口116周缘118，并朝下表面114的一侧延伸。详言之，管壁111具有第一端111a及第二端111b。第一端111a连接第一鞋底层110，第二端111b位于管壁111相反于第一端111a的位置。如图2B所示，管壁111自第一端111a朝下表面114的一侧延伸而出，管壁111远离下表面114的一端(即第二端111b)朝开口116中心收束。换言之，开口116随管壁111远离下表面114逐渐缩小，而形成倾斜状的管壁。
于一实施例，管壁是环绕形成封闭的型态，例如图2B中左侧的管壁111以足钉-开口的连线为转轴旋转至右侧而形成封闭锥状(下方仍具有通向足钉的开口)。在其它实施例，管壁可为半封闭的型态，例如两片横切剖面呈半圆形的管壁，在两片管壁之间夹有空隙。需补充的是，开口116的形状不限于圆形，在其他实施例，开口形状可为三角状，或是依设计需求在第一鞋底 层的不同位置而有不同的造型。
另外，如图2B所示，足钉130与对应的开口116之间具有间隙d。间隙d是位于管壁111远离下表面114的一端与足钉130之间，亦即，位于第二端111b与足钉130之间。参考图2A及图2B，第二鞋底层120穿过间隙d并贴附于下表面114。此外，位于下表面114一侧的第二鞋底层120填充开口116且与足钉130连接。由此，第二鞋底层120可包覆第一鞋底层110并且以填充第一鞋底层110开口的方式经由间隙d而连接足钉130。另一方面，第二鞋底层120包覆管壁111，亦即，通过贴附上下表面及填充开口的方式达成对管壁的包覆。
图3为鞋底结构制作流程图。如图3所示，鞋底结构的制作方法包含步骤S10：形成多个足钉。于模具内先形成多个足钉。在步骤S20：设置第一鞋底层，且第一鞋底层与足钉之间保持间隙。
请参考图4绘示鞋底结构的制作过程。如图4所示，鞋底结构可利用模具成型。模具20包含上模块21与下模块22。上模块21具有供射出成型的多个流道24。制作过程是先在模具20中形成足钉130，接着将第一鞋底层110置入模具20中。第一鞋底层110具有开口116，且足钉130与对应的开口116之间保持间隙。
如图3所示，在步骤S30：于第一鞋底层分布第二鞋底层。于模具内分布未固化的第二鞋底层，将其分布于第一鞋底层的上表面与下表面。如图5所示的制作过程，自流道注入未固化的第二鞋底层，将其分布于第一鞋底层110的上表面112与下表面114。例如，自对应开口116的流道24(或24a)注入未固化的第二鞋底层，未固化的第二鞋底层分布于第一鞋底层110的上表面112，亦可经由开口116流动到下表面114的一侧而分布于第一鞋底层110的下表面114。待第二鞋底层120固化成型后，部分的第二鞋底层120贴附于上表面112，且部分的第二鞋底层120是贴附于下表面114。位于下表面114一侧的第二鞋底层120是填充开口且与足钉130连接。采用本发明的鞋底结构，可提高整体的弹性与耐用性。
在不同实施例，亦可增设对应开口以外的不同位置的流道(例如24b)注入未固化的第二鞋底层，以调节注入速度。在其他实施例，可在第一鞋底层110上开设贯穿上下表面的小孔，例如，设置对应流道24b的位置，由此使未固化的第二鞋底层可经由开口与第一鞋底层边缘以外的位置流动至下表面，以调整注入分布的均匀性。
图6A为分布第二鞋底层的示意图。如图6A所示，未固化的第二鞋底层自路径r1到达第一鞋底层110，并经由路径r11及路径r12分布于上表面112。另外，未固化的第二鞋底层可自路径r1经开口到达下表面114。如图6A所示，未固化的第二鞋底层经由路径r21及路径r22穿过足钉130与第一鞋底层110之间的间隙d而分布于下表面114。此外，通过倾斜状的管壁111，可引导部分未固化的第二鞋底层朝下表面114的一侧流动，并且避免阻挡未固化的第二鞋底层在间隙d附近的流动，以提供未固化的第二鞋底层经由间隙而分布于下表面时具有较佳的流动性。
待第二鞋底层固化成型后，即完成鞋底结构的制作。图6B为第二鞋底层与足钉连接完成的示意图。如图6B所示，第二鞋底层120除了贴附上表面112与下表面114，在对应开口的位置亦填充有第二鞋底层120。填充于开口的第二鞋底层120沿管壁111经间隙而与足钉130连接。
于一实施例，第一鞋底层为硬质纤维鞋底层，第二鞋底层为热塑性弹性鞋底层。由此，整体具有较佳弹性，使用者脚底的一侧因热塑性弹性鞋底层包覆硬质纤维鞋底层的设计而不易疲劳。由此，第二鞋底层自下表面沿管壁延伸到足钉的部分可提供弹性，除此之外，第二鞋底层填充于开口的部分将贴附下表面的一侧与贴附上表面的一侧连接成一整体，以提供弹性及耐用性，并且可减少踩踏地面时的撞击力，提高保护效果。此外，足钉可与第二鞋底层采相同材质，使第二鞋底层与足钉间具有相近的变形量，确保结构稳定，但足钉的材质并不以此为限。
在其他实施例中，第一鞋底层可为碳纤维鞋底层，第二鞋底层可为热塑性聚氨酯(TPU)鞋底层。采用碳纤维鞋底层作为第一鞋底层可使整体重量较 轻。以热塑性聚氨酯鞋底层作为包覆第一鞋底层的第二鞋底层，可提高鞋底结构的耐磨性，对于跑动使用亦可提供良好的耐曲折效果。如图7所示足钉130的另一实施例，可在鞋底结构的不同位置形成不同的足钉130。例如图7所示，足钉130除了如前述实施例中的基部132外，还具有突出于基部132且朝上表面一侧伸出的凸部134。由凸部134与第二鞋底层120填充于开口的部分互相结合，提高足钉130与第一鞋底层110、第二鞋底层120的结合效果。整体而言，采用本发明的鞋底结构，对于跑动时足钉回传来自地面的作用力一方面可通过第二鞋底层(热塑性聚氨酯鞋底层)提供回弹性及吸震效果，另一方面可通过碳纤维鞋底层(第一鞋底层)提供支撑力，维持鞋底结构不易变形。
本发明已由上述相关实施例加以描述，然而上述实施例仅为实施本发明的范例。必需指出的是，已揭露的实施例并未限制本发明的范围。相反地，包含于申请专利范围的精神及范围的修改及均等设置均包含于本发明的范围内。
工业应用性
本发明的鞋底结构及鞋底结构的制作方法，可提高整体的弹性与耐用性。

Claims (12)

  1. 一种鞋底结构，其特征在于，包含：
    一第一鞋底层，具有一上表面及一下表面，且具有多个开口贯穿该上表面；
    多个足钉，设置接近该下表面的一侧且对应该些开口，每一足钉与对应的开口之间具有一间隙；
    一第二鞋底层，包覆该第一鞋底层；
    其中，部分的该第二鞋底层贴附于该上表面，且部分的该第二鞋底层是贴附于该下表面，位于下表面一侧的第二鞋底层是填充开口且与足钉连接。
  2. 如权利要求1所述的鞋底结构，其特征在于，该第一鞋底层具有多个管壁分别围绕该些开口周缘，并朝该下表面的一侧延伸，该管壁远离下表面的一端朝该开口中心收束，该第二鞋底层包覆该管壁。
  3. 如权利要求2所述的鞋底结构，其特征在于，该间隙位于该管壁远离下表面的一端与足钉之间。
  4. 如权利要求1所述的鞋底结构，其特征在于，该第一鞋底层为硬质纤维鞋底层，该第二鞋底层为热塑性弹性鞋底层。
  5. 如权利要求1所述的鞋底结构，其特征在于，该第二鞋底层与足钉为相同材质。
  6. 如权利要求1所述的鞋底结构，其特征在于，该第一鞋底层为碳纤维鞋底层，该第二鞋底层为热塑性聚氨酯鞋底层。
  7. 一种鞋底结构的制作方法，用于一模具间形成该鞋底结构，其特征在于，制作方法包含以下步骤：
    于该模具内形成多个足钉；
    于该模具内设置一第一鞋底层，该第一鞋底层具有一上表面及一下表面，且具有多个开口贯穿该上表面，该些足钉设置接近该下表面的一侧且对应该些开口，每一足钉与对应的开口之间具有一间隙；
    于该模具内分布未固化的一第二鞋底层；
    其中，部分的该第二鞋底层贴附于该上表面，且部分的该第二鞋底层贴附于该下表面，位于下表面一侧的第二鞋底层填充开口且与足钉连接。
  8. 如权利要求7所述鞋底结构的制作方法，其特征在于，该第一鞋底层具有多个管壁分别围绕该些开口周缘，并朝该下表面的一侧延伸，该管壁远离下表面的一端朝该开口中心收束，该第二鞋底层包覆该管壁。
  9. 如权利要求8所述鞋底结构的制作方法，其特征在于，该间隙位于该管壁远离下表面的一端与足钉之间。
  10. 如权利要求7所述鞋底结构的制作方法，其特征在于，该第一鞋底层为硬质纤维鞋底层，该第二鞋底层为热塑性弹性鞋底层。
  11. 如权利要求7所述鞋底结构的制作方法，其特征在于，该第二鞋底层与足钉为相同材质。
  12. 如权利要求7所述鞋底结构的制作方法，其特征在于，该第一鞋底层为碳纤维鞋底层，该第二鞋底层为热塑性聚氨酯鞋底层。
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