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EP3338581A1 - Sole structure having distinguished three-dimensional patterns - Google Patents

Sole structure having distinguished three-dimensional patterns Download PDF

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Publication number
EP3338581A1
EP3338581A1 EP17174408.9A EP17174408A EP3338581A1 EP 3338581 A1 EP3338581 A1 EP 3338581A1 EP 17174408 A EP17174408 A EP 17174408A EP 3338581 A1 EP3338581 A1 EP 3338581A1
Authority
EP
European Patent Office
Prior art keywords
external layer
sole structure
connection part
wall
dimensional
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17174408.9A
Other languages
German (de)
French (fr)
Other versions
EP3338581B1 (en
Inventor
Shui Mu Wang
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.)
Chaei Hsin Enterprise Co Ltd
Original Assignee
Chaei Hsin Enterprise Co 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
Priority claimed from TW105219573U external-priority patent/TWM539816U/en
Application filed by Chaei Hsin Enterprise Co Ltd filed Critical Chaei Hsin Enterprise Co Ltd
Priority to PL17174408T priority Critical patent/PL3338581T3/en
Publication of EP3338581A1 publication Critical patent/EP3338581A1/en
Application granted granted Critical
Publication of EP3338581B1 publication Critical patent/EP3338581B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • A43B13/16—Pieced soles
    • 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
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
    • D06N3/0079—Suction, vacuum treatment

Definitions

  • the present invention relates to a sole structure which has distinguished three-dimensional patterns and abrasion resistance.
  • a conventional shoe sole is not waterproof and is abraded easily, thus decreasing service life. Furthermore, the conventional shoe sole fades easily after a period of using time.
  • An improved sole structure is disclosed in TW Publication No. 00583919 and contains a body and a thermoplastic polyurethane urethane (TPU) film which adheres with the body, after the TPU film is hot pressed and melts.
  • TPU thermoplastic polyurethane urethane
  • the TPU film cannot matingly adhere with the body, hence gaps produce between the TPU film and the body, and water flows into the gaps easily.
  • the TPU film is so thick that the improved sole structure cannot have distinguished patterns.
  • the present invention has arisen to mitigate and/or obviate the afore-described disadvantages.
  • the primary objective of the present invention is to provide a sole structure which has distinguished three-dimensional patterns and abrasion resistance.
  • Another objective of the present invention is to provide a sole structure which is water proof and avoids air trap.
  • a sole structure provided by the present invention contains: a body and at least one external layer.
  • the body is formed in a foam molding manner and corresponds to human foot, and the body includes multiple three-dimensional ribs and at least one three-dimensional pattern portion.
  • Each of the at least one external layer includes a protective part arranged on an outer wall thereof, and each external layer includes a connection part arranged on an inner wall thereof.
  • connection part is heated to melt and to adhere with an inner wall of the body, and the at least one external layer is fixed on the body and is heated and vacuumed so as to matingly adhere with the multiple three-dimensional ribs and the at least one three-dimensional pattern portion.
  • a sole structure according to a preferred embodiment of the present invention comprises: a body 10 and at least one external layer 20.
  • the body 10 is formed in a foam molding manner (such as infusion foaming, fill foaming, hot press foaming or injection foaming manner) and corresponds to human foot, and the body 10 includes multiple three-dimensional ribs 11 and at least one three-dimensional pattern portion 12.
  • the body 10 is made of any one of polyurethane (PU), ethylene vinyl acetate (EVA), thermoplastic polyurethane urethane (TPU), thermo plastic rubber (TPR), acrylonitrile butadiene styrene (ABS), polycarbonate (PC) and rubber.
  • Each of the at least one external layer 20 is an annular sheet and includes a protective part 21 arranged on an outer wall thereof and includes a connection part 22 arranged on an inner wall of each external layer 20.
  • the protective part 21 is made of any one of fabric, artificial leather, rubber film, plastic film, color film and animal leather (such as ostrich skin), and the connection part 22 is hot melt adhesive which is heated to melt and to adhere with an inner wall of the body 10.
  • the connection part 22 has multiple raised portions 23 formed on an inner wall thereof, and each of the multiple raised portions 23 is any one of a ball, an elongated strip, and a protrusion.
  • each external layer 20 is fixed on the body 10 and is heated and vacuumed so as to matingly adhere with the multiple three-dimensional ribs 11 and the at least one three-dimensional pattern portion 12.
  • a thickness of the protective part 21 is at least 10 ⁇ m (micrometre)
  • a hardness of the protective part 21 is Shore A30 to Shore D72, wherein the protective part 21 is heated by using an electric heater or a hot air heater.
  • each external layer 20 is in a U shape or in a sheet shape.
  • each external layer 20 when each external layer 20 is fixed on the body 10 and is heated and vacuumed, the multiple raised portions 23 abut against the body 10 so that multiple channels 24 are formed between the connection part 22 and the body 10, wherein the multiple channels 24 are in communication with one another, hence when the multiple raised portions 23 melt after being heated, air in the multiple channels 24 are vacuumed so that each external layer 20 matingly adheres with the multiple three-dimensional ribs 11 and the at least one three-dimensional pattern portion 12, thus avoiding air trap in the sole structure.
  • distinguished three-dimensional patterns produce between each external layer 20 and the body 10, as shown in FIG. 4 .
  • the sole structure of the present invention is waterproof and has abrasion resistance by way of each external layer 20.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Textile Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

A sole structure contains: a body (10) and at least one external layer (20). The body (10) is formed in a foam molding manner and corresponds to human foot, and the body (10) includes multiple three-dimensional ribs (11) and at least one three-dimensional pattern portion (12). Each of the at least one external layer (20) includes a protective part (21) arranged on an outer wall thereof, and each external layer (20) includes a connection part (22) arranged on an inner wall thereof. The connection part (22) is heated to melt and to adhere with an inner wall of the body (10), and the at least one external layer (20) is fixed on the body (10) and is heated and vacuumed so as to matingly adhere with the multiple three-dimensional ribs (11) and the at least one three-dimensional pattern portion (12).

Description

    FIELD OF THE INVENTION
  • The present invention relates to a sole structure which has distinguished three-dimensional patterns and abrasion resistance.
    • BACKGROUND OF THE INVENTION
  • A conventional shoe sole is not waterproof and is abraded easily, thus decreasing service life. Furthermore, the conventional shoe sole fades easily after a period of using time.
  • An improved sole structure is disclosed in TW Publication No. 00583919 and contains a body and a thermoplastic polyurethane urethane (TPU) film which adheres with the body, after the TPU film is hot pressed and melts. However, when the body has a bumpy outer surface or patterns, the TPU film cannot matingly adhere with the body, hence gaps produce between the TPU film and the body, and water flows into the gaps easily. Furthermore, the TPU film is so thick that the improved sole structure cannot have distinguished patterns.
  • The present invention has arisen to mitigate and/or obviate the afore-described disadvantages.
    • SUMMARY OF THE INVENTION
  • The primary objective of the present invention is to provide a sole structure which has distinguished three-dimensional patterns and abrasion resistance.
  • Another objective of the present invention is to provide a sole structure which is water proof and avoids air trap.
  • To obtain above-mentioned objectives, a sole structure provided by the present invention contains: a body and at least one external layer.
  • The body is formed in a foam molding manner and corresponds to human foot, and the body includes multiple three-dimensional ribs and at least one three-dimensional pattern portion.
  • Each of the at least one external layer includes a protective part arranged on an outer wall thereof, and each external layer includes a connection part arranged on an inner wall thereof.
  • The connection part is heated to melt and to adhere with an inner wall of the body, and the at least one external layer is fixed on the body and is heated and vacuumed so as to matingly adhere with the multiple three-dimensional ribs and the at least one three-dimensional pattern portion.
    • BRIEF DESCRIPTION OF THE DRAWINGS
    • FIG. 1 is a perspective view showing the exploded components of a sole structure according to a preferred embodiment of the present invention.
    • FIG. 2 is a perspective view showing the assembly of the sole structure according to the preferred embodiment of the present invention.
    • FIG. 3 is a cross sectional view showing the operation of the sole structure according to the preferred embodiment of the present invention.
    • FIG. 4 is another cross sectional view showing the operation of the sole structure according to the preferred embodiment of the present invention.
    DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • With reference to FIGS. 1-4, a sole structure according to a preferred embodiment of the present invention comprises: a body 10 and at least one external layer 20.
  • The body 10 is formed in a foam molding manner (such as infusion foaming, fill foaming, hot press foaming or injection foaming manner) and corresponds to human foot, and the body 10 includes multiple three-dimensional ribs 11 and at least one three-dimensional pattern portion 12. The body 10 is made of any one of polyurethane (PU), ethylene vinyl acetate (EVA), thermoplastic polyurethane urethane (TPU), thermo plastic rubber (TPR), acrylonitrile butadiene styrene (ABS), polycarbonate (PC) and rubber.
  • Each of the at least one external layer 20 is an annular sheet and includes a protective part 21 arranged on an outer wall thereof and includes a connection part 22 arranged on an inner wall of each external layer 20. The protective part 21 is made of any one of fabric, artificial leather, rubber film, plastic film, color film and animal leather (such as ostrich skin), and the connection part 22 is hot melt adhesive which is heated to melt and to adhere with an inner wall of the body 10. The connection part 22 has multiple raised portions 23 formed on an inner wall thereof, and each of the multiple raised portions 23 is any one of a ball, an elongated strip, and a protrusion. Thereby, each external layer 20 is fixed on the body 10 and is heated and vacuumed so as to matingly adhere with the multiple three-dimensional ribs 11 and the at least one three-dimensional pattern portion 12. A thickness of the protective part 21 is at least 10µm (micrometre), and a hardness of the protective part 21 is Shore A30 to Shore D72, wherein the protective part 21 is heated by using an electric heater or a hot air heater. In this embodiment, each external layer 20 is in a U shape or in a sheet shape.
  • Referring to FIG. 3, when each external layer 20 is fixed on the body 10 and is heated and vacuumed, the multiple raised portions 23 abut against the body 10 so that multiple channels 24 are formed between the connection part 22 and the body 10, wherein the multiple channels 24 are in communication with one another, hence when the multiple raised portions 23 melt after being heated, air in the multiple channels 24 are vacuumed so that each external layer 20 matingly adheres with the multiple three-dimensional ribs 11 and the at least one three-dimensional pattern portion 12, thus avoiding air trap in the sole structure. Preferably, distinguished three-dimensional patterns produce between each external layer 20 and the body 10, as shown in FIG. 4.
  • In addition, the sole structure of the present invention is waterproof and has abrasion resistance by way of each external layer 20.
  • While the preferred embodiments of the invention have been set forth for the purpose of disclosure, modifications of the disclosed embodiments of the invention as well as other embodiments thereof may occur to those skilled in the art. Accordingly, the appended claims are intended to cover all embodiments which do not depart from the spirit and scope of the invention.

Claims (8)

  1. A sole structure comprising:
    a body (10) formed in a foam molding manner and corresponding to human foot, and the body (10) including multiple three-dimensional ribs (11) and at least one three-dimensional pattern portion (12);
    at least one external layer (20), each of the at least one external layer (20) including a protective part (21) arranged on an outer wall thereof, and each external layer (20) also including a connection part (22) arranged on an inner wall of each external layer (20);
    characterized in that the connection part (22) is heated to melt and to adhere with an inner wall of the body (10), and each external layer (20) is fixed on the body (10) and is heated and vacuumed so as to matingly adhere with the multiple three-dimensional ribs (11) and the at least one three-dimensional pattern portion (12).
  2. The sole structure as claimed in claim 1, wherein the foam molding manner is any one of infusion foaming manner, fill foaming manner, hot press foaming manner, and injection foaming manner.
  3. The sole structure as claimed in claim 1, wherein each external layer (20) is an annular sheet.
  4. The sole structure as claimed in claim 1, wherein each external layer (20) is in a U shape.
  5. The sole structure as claimed in claim 1, wherein each external layer (20) is in a sheet shape.
  6. The sole structure as claimed in claim 1, wherein the protective part (21) is made of any one of fabric, artificial leather, rubber film, plastic film, color film and animal leather.
  7. The sole structure as claimed in claim 1, wherein the connection part (22) is hot melt adhesive.
  8. The sole structure as claimed in claim 1, wherein the connection part (22) has multiple raised portions (23) formed on an inner wall thereof, and when each external layer (20) is fixed on the body (10), the multiple raised portions (23) abut against the body (10) so that multiple channels (24) are formed between the connection part (22) and the body (10), wherein the multiple channels (24) are in communication with one another, and when the multiple raised portions (23) melt after being heated, air in the multiple channels (24) are vacuumed so that each external layer (20) matingly adheres with the multiple three-dimensional ribs (11) and the at least one three-dimensional pattern portion (12).
EP17174408.9A 2016-12-22 2017-06-02 Sole structure having distinguished three-dimensional patterns Active EP3338581B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17174408T PL3338581T3 (en) 2016-12-22 2017-06-02 Sole structure having distinguished three-dimensional patterns

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW105219573U TWM539816U (en) 2016-12-22 2016-12-22 Shoe sole structure having surface with three-dimensional style and pattern
EP16207462 2016-12-30

Publications (2)

Publication Number Publication Date
EP3338581A1 true EP3338581A1 (en) 2018-06-27
EP3338581B1 EP3338581B1 (en) 2019-09-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP17174408.9A Active EP3338581B1 (en) 2016-12-22 2017-06-02 Sole structure having distinguished three-dimensional patterns

Country Status (3)

Country Link
EP (1) EP3338581B1 (en)
ES (1) ES2751876T3 (en)
PL (1) PL3338581T3 (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD874107S1 (en) 2017-09-14 2020-02-04 Puma SE Shoe
USD887113S1 (en) 2017-01-17 2020-06-16 Puma SE Shoe
USD910290S1 (en) 2017-09-14 2021-02-16 Puma SE Shoe
USD911683S1 (en) 2017-09-14 2021-03-02 Puma SE Shoe
USD911682S1 (en) 2017-09-14 2021-03-02 Puma SE Shoe
USD944504S1 (en) 2020-04-27 2022-03-01 Puma SE Shoe
US11291273B2 (en) 2017-08-11 2022-04-05 Puma SE Method for producing a shoe
IT202000026500A1 (en) * 2020-11-06 2022-05-06 S G M Suolificio S R L METHOD FOR CREATING A BOX SOLE FOR FOOTWEAR AND RELATIVE BOX SOLE
USD953709S1 (en) 1985-08-29 2022-06-07 Puma SE Shoe
USD975417S1 (en) 2017-09-14 2023-01-17 Puma SE Shoe
US11744322B2 (en) 2018-05-08 2023-09-05 Puma SE Sole of a shoe, particularly an athletic shoe
EP4239122A1 (en) * 2022-03-03 2023-09-06 Chaei Hsin Enterprise Co., Ltd. Method for manufacturing an artificial leather article
US11832684B2 (en) 2018-04-27 2023-12-05 Puma SE Shoe, in particular a sports shoe
US11926115B2 (en) 2018-05-08 2024-03-12 Puma SE Method for producing a sole of a shoe, in particular of a sports shoe
US12042001B2 (en) 2018-12-18 2024-07-23 Puma SE Shoe, in particular sports shoe, and method for producing same
US12109775B2 (en) 2021-12-22 2024-10-08 Puma SE Method for producing a sole of a shoe

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4026044A (en) * 1974-05-24 1977-05-31 Citc Industries, Inc. Article of footwear and method of making same
US20020178612A1 (en) * 2000-11-27 2002-12-05 Jimmy Tsen Shoe
US20160295958A1 (en) * 2015-04-08 2016-10-13 Nike, Inc. Article of Footwear With Sole Structure Having Interconnected Fluid-Filled Chambers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4026044A (en) * 1974-05-24 1977-05-31 Citc Industries, Inc. Article of footwear and method of making same
US20020178612A1 (en) * 2000-11-27 2002-12-05 Jimmy Tsen Shoe
US20160295958A1 (en) * 2015-04-08 2016-10-13 Nike, Inc. Article of Footwear With Sole Structure Having Interconnected Fluid-Filled Chambers

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD953709S1 (en) 1985-08-29 2022-06-07 Puma SE Shoe
USD1054656S1 (en) 2017-01-17 2024-12-24 Puma SE Shoe
USD960541S1 (en) 2017-01-17 2022-08-16 Puma SE Shoe
USD887113S1 (en) 2017-01-17 2020-06-16 Puma SE Shoe
US11291273B2 (en) 2017-08-11 2022-04-05 Puma SE Method for producing a shoe
USD975417S1 (en) 2017-09-14 2023-01-17 Puma SE Shoe
USD874107S1 (en) 2017-09-14 2020-02-04 Puma SE Shoe
USD910290S1 (en) 2017-09-14 2021-02-16 Puma SE Shoe
USD911683S1 (en) 2017-09-14 2021-03-02 Puma SE Shoe
USD911682S1 (en) 2017-09-14 2021-03-02 Puma SE Shoe
USD921342S1 (en) 2017-09-14 2021-06-08 Puma SE Shoe
USD922042S1 (en) 2017-09-14 2021-06-15 Puma SE Shoe
USD875362S1 (en) 2017-09-14 2020-02-18 Puma SE Shoe
USD907344S1 (en) 2017-09-14 2021-01-12 Puma SE Shoe
USD909723S1 (en) 2017-09-14 2021-02-09 Puma SE Shoe
USD885724S1 (en) 2017-09-14 2020-06-02 Puma SE Shoe
USD953710S1 (en) 2017-09-14 2022-06-07 Puma SE Shoe
USD875361S1 (en) 2017-09-14 2020-02-18 Puma SE Shoe
US11832684B2 (en) 2018-04-27 2023-12-05 Puma SE Shoe, in particular a sports shoe
US11744322B2 (en) 2018-05-08 2023-09-05 Puma SE Sole of a shoe, particularly an athletic shoe
US11926115B2 (en) 2018-05-08 2024-03-12 Puma SE Method for producing a sole of a shoe, in particular of a sports shoe
US12042001B2 (en) 2018-12-18 2024-07-23 Puma SE Shoe, in particular sports shoe, and method for producing same
USD944504S1 (en) 2020-04-27 2022-03-01 Puma SE Shoe
USD1040491S1 (en) 2020-04-27 2024-09-03 Puma SE Shoe
IT202000026500A1 (en) * 2020-11-06 2022-05-06 S G M Suolificio S R L METHOD FOR CREATING A BOX SOLE FOR FOOTWEAR AND RELATIVE BOX SOLE
US12109775B2 (en) 2021-12-22 2024-10-08 Puma SE Method for producing a sole of a shoe
US11965285B2 (en) 2022-03-03 2024-04-23 Chaei Hsin Enterprise Co., Ltd. Method for manufacturing leather article
KR20230130508A (en) * 2022-03-03 2023-09-12 차에이 흐신 엔터프라이즈 컴퍼니 리미티드 Method for manufacturing leather article
EP4239122A1 (en) * 2022-03-03 2023-09-06 Chaei Hsin Enterprise Co., Ltd. Method for manufacturing an artificial leather article

Also Published As

Publication number Publication date
PL3338581T3 (en) 2020-03-31
ES2751876T3 (en) 2020-04-02
EP3338581B1 (en) 2019-09-11

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