US20190373981A1 - Sole structure and the manufacturing method thereof - Google Patents

Sole structure and the manufacturing method thereof Download PDF

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Publication number
US20190373981A1
US20190373981A1 US16/480,343 US201816480343A US2019373981A1 US 20190373981 A1 US20190373981 A1 US 20190373981A1 US 201816480343 A US201816480343 A US 201816480343A US 2019373981 A1 US2019373981 A1 US 2019373981A1
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US
United States
Prior art keywords
sole layer
sole
layer
spikes
openings
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.)
Abandoned
Application number
US16/480,343
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English (en)
Inventor
Yih-Ping Luh
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
Assigned to QINGYUAN GLOBAL TECHNOLOGY SERVICES LTD. reassignment QINGYUAN GLOBAL TECHNOLOGY SERVICES LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LUH, YIH-PING
Publication of US20190373981A1 publication Critical patent/US20190373981A1/en
Abandoned 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 generally relates to a sole structure, in particular for a sole structure having spikes.
  • Shoes provide protection for their user's feet. For sports shoes, they should not only provide protection but also stabilize the feet and provide better contact with the ground. Take football shoes as an example. Because the user runs for a long time, the soles are prone to wear and tear. It is necessary to have a wear-resistant sole structure. Furthermore, to reduce fatigue, the weight of the shoes also should be lightened. In a conventional sole structure, spikes are inserted directly into the sole structure. When treading on ground, especially while running, such a structure increases the risk of injury due to increased impact to the foot. Therefore, the conventional sole structure needs to be improved.
  • the present invention provides a sole structure and the manufacturing method for the sole structure to improve overall elasticity and durability.
  • the sole structure comprises a first sole layer, a second sole layer and spikes.
  • the first sole layer has an upper surface and a lower surface, and there are a plurality of openings penetrating the upper surface.
  • the spikes are located at the side close to the lower surface and correspond to the openings. There is a gap between each of the spikes and its corresponding opening.
  • the second sole layer envelops the first sole layer, wherein a portion of the second layer is attached to the upper surface, and another portion of the second sole layer is attached to the lower surface. The part of the second sole layer located adjacent to the side of the lower surface extends into the openings and connects to the spikes.
  • the first sole layer has a plurality of tubular walls surrounding the peripheries of the openings respectively, and such tubular walls extend to the side of the lower surface, and the end of the tubular wall away from the openings contracts towards the center of the opening, and the second sole layer envelops the tubular walls.
  • the gap is located between the end of the tubular walls away from the lower surface and the spikes.
  • the first sole layer is a hard-fiber sole layer and the second sole layer is a thermoplastic-elastic sole layer.
  • the second sole layer and the spikes are identical in material.
  • the first sole layer is a carbon-fiber sole layer
  • the second sole layer is a thermoplastic polyurethane sole layer
  • a method for manufacturing the sole structure comprises steps below: forming a plurality of spikes in the mold; placing a first sole layer in the mold, with the first sole layer having an upper surface and a lower surface, and a plurality of openings penetrating the upper surface; placing the spikes at the side close to the lower surface and making them correspond to the openings, with a gap between each of the spikes and its corresponding opening.
  • the manufacturing method further comprises: dispensing an uncured second sole layer in the mold, wherein, a portion of the second sole layer is attached to the upper surface, and another portion of the second sole layer is attached to the lower surface, and the side of the second sole layer located on the lower surface extends into the openings and connects to the spikes.
  • the first sole layer has a plurality of tubular walls surrounding the peripheries of the openings respectively, and such tubular walls extend to the side of the lower surface, and the end of the tubular walls away from the openings contracts towards the center of the opening, and the second sole layer envelops the tubular walls.
  • the gap is located between the end of the tubular walls away from the lower surface and the spikes.
  • the first sole layer is a hard-fiber sole layer and the second sole layer is a thermoplastic-elastic sole layer.
  • the second sole layer and the spikes are identical in material.
  • the first sole layer is a carbon-fiber sole layer and the second sole layer is a thermoplastic polyurethane sole layer.
  • FIG. 1 is a schematic view of an embodiment of the first sole layer of the present invention.
  • FIG. 2A is a sectional view of an embodiment of the sole structure.
  • FIG. 2B is a partially enlarged view of the location of the spikes on the sole structure.
  • FIG. 3 is a flow chart of the manufacturing procedure of the sole structure.
  • FIGS. 4 and 5 are schematic views of the manufacturing procedure of the sole structure.
  • FIG. 6A is a schematic view of the dispensing of the second sole layer.
  • FIG. 6B is a schematic view of the bonding of the second sole layer with the spikes.
  • FIG. 7 is a schematic of an embodiment of the spikes.
  • FIG. 1 is a schematic view of an embodiment of the first sole layer 110 of the sole structure 10 .
  • the sole structure 10 includes a first sole layer 110 .
  • the first sole layer 110 has an upper surface 112 and a plurality of openings 116 penetrating the upper surface 112 .
  • the first sole layer 110 has an upper surface 112 and a lower surface 114 .
  • the openings 116 on the first sole layer 110 penetrate the upper surface 112 and the lower surface 114 .
  • the sole structure 10 includes a second sole layer 120 and spikes 130 .
  • the spikes 130 are disposed at a side close to the lower surface 114 and correspond to the openings 116 .
  • each of the openings 116 corresponds to a spike 130 .
  • the second sole layer 120 envelops the first sole layer 110 , wherein a part of the second sole layer 120 adheres to the upper surface 112 , and a part of the second sole layer 120 adheres to the lower surface 114 .
  • the second sole layer 120 is penetrated by the spike 130 and attached to the lower surface 114 .
  • FIG. 2B is a partially enlarged view of the location of the spikes 130 on the sole structure 10 .
  • FIG. 2B only illustrates the spike 130 and a portion adjacent to the opening 116 of the first sole layer 110 and does not illustrate the second sole layer.
  • the first sole layer 110 has the opening 116 .
  • the openings 116 have peripheries 118 , wherein each of the openings 116 has a tubular wall 111 surrounding the periphery 118 of opening 116 , and the tubular wall extends towards the lower surface 114 . More specifically, the tubular wall 111 has a first end 111 a and a second end 111 b.
  • the first end 111 a connects to the first sole layer 110 .
  • the second end 111 b is the end of the tubular wall 111 opposite to the first end 111 a.
  • the tubular wall 111 extends from the first end 111 a toward the side of the lower surface 114 and projects out.
  • the end of the tubular wall 111 away from the lower surface 114 also known as the second end 111 b, contracts toward the center of the opening 116 .
  • the opening 116 tapers along the direction that the tubular wall 111 projects from the lower surface 114 to form an oblique tubular wall.
  • the tubular wall encircles to form a closed type.
  • the tubular wall 111 in FIG. 2B forms a closed cone with an opening to the spike in the lower part by spinning from the left side of the tubular wall 111 to its right side on an axis drawn from the spike to the opening.
  • the tubular wall may be a semi-closed type.
  • the shape of the opening 116 is not limited to circular. In other embodiment, the shape of the opening may be triangular or of different shapes based on design needs on different places 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 is located on the side of the lower surface 114 that extends into the opening 116 and connects with the spike 130 . Therefore, the second sole layer 120 envelops the first sole layer 110 and connects with the spike 130 through the gap d by extending into the openings of the first sole layer 110 .
  • the second sole layer 120 envelops the tubular wall 111 ; that is, it envelops the tubular wall by attaching itself to the upper surface and the lower surface and extending into the openings.
  • FIG. 3 is a flow chart of the manufacturing procedure of the sole structure.
  • the manufacturing method of the sole structure comprises step S 10 : forming a plurality of spikes in a mold, step S 20 : placing a first sole layer and leaving a gap between the first sole layer and the spikes.
  • FIG. 4 an illustration of the manufacturing procedure for the sole structure.
  • the sole structure is formed in a mold.
  • the mold 20 comprises an upper die 21 and a lower die 22 .
  • the upper die 21 has a plurality of channels 24 for injection molding.
  • the manufacturing procedure includes forming the spikes 130 in the mold 20 first and then placing the first sole layer 110 inside the mold 20 .
  • the first sole layer 110 has openings 116 and there is a gap between each spike 130 and its corresponding opening 116 .
  • step S 30 involves dispensing a second sole layer on the first sole layer; more specifically, dispensing an uncured second sole layer to the upper surface and the lower surface of the first sole layer in the mold.
  • the uncured second sole layer dispenses onto the upper surface 112 of the first sole layer 110 and also flows to the side of the lower surface 114 via the openings 116 and dispenses onto the lower surface 114 of the first sole layer 110 .
  • the second sole layer 120 cures, a portion of the second sole layer 120 is attached to the upper surface 112 , and another portion of the second sole layer 120 is attached to the lower surface 114 .
  • the second sole layer 120 located at the side of the lower surface 114 extends into the openings and connects with the spikes 130 .
  • the sole structure of the present invention improves the overall elasticity and durability.
  • additional channels for example 24 b, at different locations instead of corresponding to the openings are added to adjust the injection speed when the uncured second sole layer is injected.
  • small holes penetrating the upper surface and the lower surface are added to the first sole layer 110 , for example, at the location 24 b.
  • the uncured second sole layer flows to the lower surface via the openings and the locations other than the borders of the first sole layer to adjust the uniformity of the dispensing.
  • FIG. 6A is a schematic view of the dispensing of the second sole layer.
  • the uncured second sole layer flows onto the first sole layer via the path r 1 and dispenses onto the upper surface 112 via the paths r 11 and r 12 .
  • the uncured second sole layer flows onto the lower surface 114 through the openings via the path r 1 .
  • the uncured second sole layer dispenses onto the lower surface 114 through the gap d between the spikes 130 and the first sole layer 110 via the paths r 21 and r 22 .
  • the oblique tubular wall 111 guides the uncured second sole layer to flow towards the side of the lower surface 114 and prevents it from obstructing the flow of the uncured second sole layer near the gap d to provide a better flow when the uncured second sole layer is dispensed onto the lower surface through the gap.
  • FIG. 6B is a schematic view of connecting the second sole layer with the spikes.
  • the second sole layer 120 is not only attached to the upper surface 112 and lower surface 114 but also extends into the locations corresponding to the openings.
  • the second sole layer 120 extended into the openings connects to the spikes 130 through the gap by flowing along the tubular wall 111 .
  • the first sole layer is a hard-fiber sole layer and the second sole layer is a thermoplastic-elastic sole layer. Therefore, the sole structure has better elasticity. The user's foot is not easily fatigued because the design is a thermoplastic-elastic sole layer enveloping a hard-fiber sole layer.
  • the portion of the second sole layer which extends from the lower surface to the spikes along the tubular wall provides elasticity.
  • the portion of the second sole layer which extends into the openings connects the side attached to the lower surface and the side attached to the upper surface to form an integral piece to provide elasticity and durability and to reduce impact when stepping on the ground, which improves protection to the feet.
  • the second sole layer and the spikes may be identical in material so that the strain on the second sole layer is similar to that on the spikes' to keep the structure stable. However, the material of the spikes is not limited to what is mentioned above.
  • the first sole layer is a carbon-fiber sole layer and the second sole layer is a thermoplastic polyurethane (PTU) sole layer.
  • PTU thermoplastic polyurethane
  • Applying the carbon-fiber sole layer as the first sole layer decreases the overall weight.
  • Applying the TPU sole layer as the second sole layer enveloping the first sole layer improves the durability of the sole structure and provides a good anti-bending effect while running
  • FIG. 7 shows another embodiment of the spikes 130 , forming different spikes at different locations of the structure.
  • the spikes 130 not only have the base part 132 as in the aforementioned embodiment but also have the protruding part 134 which protrudes from the base part 132 and extends towards the upper surface.
  • the sole structure of the present invention provides bounciness and shock absorption through its second sole layer (PTU sole layer), and on the other hand, provides support to maintain the sole structure through its first sole layer (carbon-fiber sole layer) to prevent deformation from the force returned from ground via the spikes while running

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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)
US16/480,343 2017-01-25 2018-01-24 Sole structure and the manufacturing method thereof Abandoned US20190373981A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201710061336.2A CN108338450B (zh) 2017-01-25 2017-01-25 鞋底结构及其制作方法
CN201710061336.2 2017-01-25
PCT/CN2018/073979 WO2018137653A1 (zh) 2017-01-25 2018-01-24 鞋底结构及其制作方法

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US20190373981A1 true US20190373981A1 (en) 2019-12-12

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US16/480,343 Abandoned US20190373981A1 (en) 2017-01-25 2018-01-24 Sole structure and the manufacturing method thereof

Country Status (7)

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US (1) US20190373981A1 (ja)
EP (1) EP3574788A4 (ja)
JP (1) JP2020505158A (ja)
KR (1) KR101992334B1 (ja)
CN (1) CN108338450B (ja)
TW (1) TWI646912B (ja)
WO (1) WO2018137653A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210219666A1 (en) * 2020-01-16 2021-07-22 Nike, Inc. Cleat structure for article of footwear
US11944158B2 (en) * 2019-09-03 2024-04-02 Adidas Ag Sole element

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111035114B (zh) * 2018-10-12 2022-03-25 隆典实业股份有限公司 复合材料鞋底的制备方法
CN114161750B (zh) * 2021-11-26 2022-06-21 中山市富达运动器材有限公司 一种碳纤维运动鞋底的复合成型方法

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11944158B2 (en) * 2019-09-03 2024-04-02 Adidas Ag Sole element
US20210219666A1 (en) * 2020-01-16 2021-07-22 Nike, Inc. Cleat structure for article of footwear
US11617422B2 (en) * 2020-01-16 2023-04-04 Nike, Inc. Cleat structure for article of footwear

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Publication number Publication date
WO2018137653A1 (zh) 2018-08-02
CN108338450B (zh) 2020-03-03
KR101992334B1 (ko) 2019-06-24
JP2020505158A (ja) 2020-02-20
EP3574788A1 (en) 2019-12-04
KR20180087829A (ko) 2018-08-02
TW201826962A (zh) 2018-08-01
CN108338450A (zh) 2018-07-31
TWI646912B (zh) 2019-01-11
EP3574788A4 (en) 2020-09-02

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