EP2241208A1 - Sole for shoes enabling exchange of shock-absorbing member - Google Patents

Sole for shoes enabling exchange of shock-absorbing member Download PDF

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Publication number
EP2241208A1
EP2241208A1 EP09177475A EP09177475A EP2241208A1 EP 2241208 A1 EP2241208 A1 EP 2241208A1 EP 09177475 A EP09177475 A EP 09177475A EP 09177475 A EP09177475 A EP 09177475A EP 2241208 A1 EP2241208 A1 EP 2241208A1
Authority
EP
European Patent Office
Prior art keywords
shock
absorbing member
sole
hollow space
space portion
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.)
Withdrawn
Application number
EP09177475A
Other languages
German (de)
English (en)
French (fr)
Inventor
Hyung Chul Kang
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.)
FSC Co Ltd
Original Assignee
FSC 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
Application filed by FSC Co Ltd filed Critical FSC Co Ltd
Publication of EP2241208A1 publication Critical patent/EP2241208A1/en
Withdrawn legal-status Critical Current

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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
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/28—Soles; Sole-and-heel integral units characterised by their attachment, also attachment of combined soles and heels
    • A43B13/36—Easily-exchangeable 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
    • A43B13/143—Soles; Sole-and-heel integral units characterised by the constructive form provided with wedged, concave or convex end portions, e.g. for improving roll-off of the foot
    • A43B13/145—Convex portions, e.g. with a bump or projection, e.g. 'Masai' type shoes
    • 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
    • A43B13/182—Helicoidal springs
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/187—Resiliency achieved by the features of the material, e.g. foam, non liquid materials
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/20—Pneumatic soles filled with a compressible fluid, e.g. air, gas
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B21/00—Heels; Top-pieces or top-lifts
    • A43B21/36—Heels; Top-pieces or top-lifts characterised by their attachment; Securing devices for the attaching means
    • A43B21/42—Heels with replaceable or adjustable parts, e.g. top lift
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1455—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties
    • A43B7/1464—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties with adjustable pads to allow custom fit

Definitions

  • the present invention relates to a sole for shoes enabling exchange of a shock-absorbing member, and more particularly, to such a sole for shoes enabling exchange of a shock-absorbing member, in which a shock-absorbing member can be exchanged with one suited to each situation whenever necessary depending on the state of a wearer's feet, the condition of a road surface, the walking motion, or the like even in a state where a shoe has been manufactured and is worn by the wearer, thereby further improving convenience in use.
  • the basic purpose of a sole for a shoe is to allow the sole for the shoe to be attached to a bottom surface of the upper portion of the shoe surrounding the top of a wearer's foot so that the sole of the wearer's foot does not come into direct contact with the road surface to protect the sole of the wearer's foot as well as reduce a fatigue feeling even during a long walk.
  • a functional sole for a shoe which is designed to protect the wearer's foot from an impact exerted thereto during the walk.
  • a shock-absorbing member is embedded in a heel portion of the functional shoe sole so as to protect the wearer's foot from an impact occurring during the walk.
  • a functional shoe sole includes a shock-absorbing member built therein, it has an advantage of making the wearer's walk comfortable.
  • a representative example of the shock-absorbing member largely includes a cushion member made of a soft material, a spring and an air bag, each of which is built in a shoe sole or is formed integrally with the shoe sole, thus making it impossible to be separated from the shoe sole.
  • the cushion member is selected when a wearer wants a softer and more comfortable walk
  • the spring is selected when the wearer wants a lighter walk due to good resiliency
  • the air bag is selected when the wearer wants a walk giving a cushioning feeling of an intermediate level of the more comfortable walk and the lighter walk.
  • the present invention has been made in view of the above problems occurring in the prior art, and it is an object of the present invention to provide a sole for shoes enabling exchange of a shock-absorbing member, in which a shock-absorbing member can be exchanged with one suited to each situation whenever necessary depending on the state of a wearer's feet, the condition of a road surface, the walking motion, and the like even in a state where a shoe has been manufactured and is worn by the wearer, thereby further improving convenience in use.
  • the present invention provides a sole for shoes enabling exchange of a shock-absorbing member, the shoe sole being attached to a bottom surface of the upper portion of the shoe surrounding the top of a wearer's foot, and including at least one hollow space portion formed laterally at the inside of the shoe sole in such a fashion as to penetrate to the left and right sides, and a pair of opposed seating recesses formed on the ceiling surface and the bottom surface of the hollow spacing portion so as to prevent the escape of the shock-absorbing member exchangeably inserted into the hollow space portion, whereby the shock-absorbing member is inserted into the hollow space portion so as to absorb an impact exerted to the shoes during a walk such that it is exchangeable with one suited to each situation whenever necessary depending on the state of a wearer's feet, the condition of a road surface, the walking motion, or the like.
  • the shock-absorbing member is any one selected from the groups consisting of an air bag, a spring and a cushion member.
  • FIG. 1(a) is a schematic longitudinal side view illustrating a sole for shoes enabling exchange of a shock-absorbing member according to a preferred embodiment of the present invention
  • FIG. 1(b) is a schematic longitudinal cross-sectional view of FIG. 1(a) ;
  • FIG. 2(a) to 2(c) are perspective views illustrating a shock-absorbing member according to a preferred embodiment of the present invention
  • FIG. 3 (a) to (3c) are schematic longitudinal side views illustrating a state where a sole for shoes enabling exchange of a shock-absorbing member is in use according to a preferred embodiment of the present invention
  • FIG. 4 is a view illustrating a process of manufacturing a sole for shoes enabling exchange of a shock-absorbing member according to a preferred embodiment of the present invention
  • FIG. 5 is a view illustrating a process of manufacturing a sole for shoes enabling exchange of a shock-absorbing member according to another preferred embodiment of the present invention
  • FIG. 6 is a view illustrating a process of manufacturing a sole for shoes enabling exchange of a shock-absorbing member according to yet another preferred embodiment of the present invention.
  • FIG. 7 is a view illustrating a process of manufacturing a sole for shoes enabling exchange of a shock-absorbing member according to still another preferred embodiment of the present invention.
  • FIG. 1(a) is a schematic longitudinal side view illustrating a sole for shoes enabling exchange of a shock-absorbing member according to a preferred embodiment of the present invention
  • FIG. 1(b) is a schematic longitudinal cross-sectional view of FIG. 1(a)
  • FIG. 2(a) to 2(c) are perspective views illustrating a shock-absorbing member according to a preferred embodiment of the present invention.
  • a sole 100 for shoes enabling exchange of a shock-absorbing member of the present invention includes a hollow space portion 110 formed laterally at the inside thereof in such a fashion as to penetrate to the left and right sides.
  • the number of the hollow space portions 110 formed is at least one, and preferably the hollow space portion 110 is formed at the ball portion and the heel portion of the shoe sole, respectively.
  • the hollow space portion 110 is formed in an elliptical shape rather than a circular shape, the overall dimension thereof will increase and will be more stable.
  • the hollow space portion 110 has a pair of opposed seating recesses 120a and 120b formed on the ceiling surface and the bottom surface thereof, respectively, so as to prevent a shock-absorbing member 200, which will be described, from escaping from the hollow space portion.
  • the shoe sole 100 includes a shank 130 embedded in the upper inner portion thereof so as to maintain the shape thereof and have an excellent shape-restoring force.
  • the shank 130 is typically widely used, and thus a separate description thereof will be omitted to avoid redundancy.
  • the shoe sole 100 includes a midsole 102 made of a soft material, and an outsole 104 attached to the bottom surface of the midsole 102 so as to come into direct contact with a ground surface and made of a material which is harder than that of the midsole 102 so that the hollow space portion 110 can be laterally formed at the inside of the midsole.
  • the midsole 102 and the outsole 104 are made of the same material so that the hollow space portion 110 can be laterally formed at the inside of the midsole so as not to specially divide the midsole 102 and the outsole 104.
  • a shock-absorbing member 200 is exchangeably inserted into the hollow space portion 110 formed laterally at the inside of the shoe sole 100 as constructed above so as to absorb an impact exerted to the shoes during a walk. Referring to FIG. 2 , there are shown a group of the shock-absorbing members 200 inserted into the hollow space portion 110.
  • the shock-absorbing member 200 of the present invention includes the group consisting of an air bag 210, a spring 220 and a cushion member 230 made of a soft material, which are sequentially shown in FIG. 2(a) to 2(c) . Any one selected, as the shock-absorbing member 200, from the group consisting of the air bag 210, the spring 220 and the cushion member 230 is inserted into the hollow space portion 110.
  • the cushion member 230 is selected and inserted into the shock-absorbing member 200 when a wearer wants a softer and more comfortable walk
  • the spring 220 is selected and inserted into the shock-absorbing member 200 when the wearer wants a lighter walk due to good resiliency
  • the air bag 210 is selected and inserted into the shock-absorbing member 200 when the wearer wants a walk giving a cushioning feeling of an intermediate level of the more comfortable walk and the lighter walk.
  • the inside of the air bag 210 is filled with air
  • the air bag 210 is preferably formed in the shape of a bellows tube so that it is seated in the pair of opposed seating recesses 120a and 120b formed on the ceiling surface and the bottom surface of the hollow space portion 110 so as to prevent the air bag from easily escaping from the hollow space portion 110.
  • the shoe sole 100 and the shock-absorbing member 200 are manufactured separately so that the shock-absorbing member 200 can be exchanged whenever necessary, which will be described hereinafter.
  • FIG. 3(a) to 3(c) are schematic longitudinal side views illustrating a state where a sole for shoes enabling exchange of a shock-absorbing member is in use according to a preferred embodiment of the present invention
  • the shoe sole 100 enabling exchange of the shock-absorbing member 200 is attached to the bottom surface of the upper portion 140 of the shoes, and the cushion member 230 made of a soft material is inserted into the hollow space portion 110 formed laterally at the inside of the shoe sole 100. That is, when a pedestrian wants a cozier and more comfortable walk, he or she inserts the cushion member 230 into the hollow space portion 110.
  • the spring 220 in order to more stably insert the spring 220, it is required that the spring 220 should be inserted into the hollow space portion 110 in such a fashion that the spring is seated in the opposed seating recesses 120a and 120b formed on the ceiling surface and the bottom surface of the hollow space portion 110.
  • the wearer wants a walk giving a cushioning feeling of an intermediate level of the more comfortable walk and the lighter walk depending on the state of the wearer's feet or the condition of a road surface, he or she pushes the spring 220 in one direction to remove it from the shoe sole, and then inserts the air bag 210 into the hollow space portion 110 as shown in FIG. 3(c) .
  • the air bag 210 is preferably seated in the opposed seating recesses 120a and 120b formed on the ceiling surface and the bottom surface of the hollow space portion 110.
  • the spring is inserted into one-side hollow space portion 110 and the cushion member 230 is inserted into the other-side hollow space portion 110 as shown in FIG. 2(b) , so that the shoe sole can be implemented to provide different cushioning feelings to the ball portion and the heel portion thereof.
  • a manufacturer side but a wearer side can use the shock-absorbing member 200 suited to himself or herself and can exchange it whenever necessary depending on the situations.
  • the cushion member 230 excellent in a cushioning feeling or the air bag 210 as the shock-absorbing member in a state where the wearer suffers from foot fatigue or at a place where a road surface is irregular and uneven.
  • the spring 220 as the shock-absorbing member when the road surface is regular and even or the wearer wants to take exercise.
  • the selection of the shock-absorbing member is arbitrarily determined by a user, and is not limited thereto.
  • the sole 100 for shoes enabling exchange of a shock-absorbing member according to the present invention includes the hollow space portion 110 formed laterally at the inside thereof, any one selected from the group consisting of the air bag 210, the cushion member 230 and the spring 220, which have an impact absorbing force or give a cushioning feeling, can be exchangeably employed as the shock-absorbing member 200 so to be suited to each situation whenever necessary depending on the state of a wearer's feet, the condition of a road surface, the walking motion, or the like, thereby further improving convenience in use.
  • FIG. 4 is a view illustrating a process of manufacturing a sole for shoes enabling exchange of a shock-absorbing member according to a preferred embodiment of the present invention
  • FIG. 5 is a view illustrating a process of manufacturing a sole for shoes enabling exchange of a shock-absorbing member according to another preferred embodiment of the present invention
  • FIG. 6 is a view illustrating a process of manufacturing a sole for shoes enabling exchange of a shock-absorbing member according to yet another preferred embodiment of the present invention
  • FIG. 7 is a view illustrating a process of manufacturing a sole for shoes enabling exchange of a shock-absorbing member according to still another preferred embodiment of the present invention.
  • the shoe sole 100 is manufactured by being foam-molded integrally through a molding step (s100) in such a fashion as to have the hollow space portion 110 formed laterally at the inside thereof so as penetrate to the left and right sides and having a pair of opposed seating recesses 120a and 120b formed on the ceiling surface and the bottom surface of the hollow space portion. That is, when the shoe sole 100 is formed, the midsole and the outsole are made of the same material without being divided separately. Any one selected from the aforementioned exemplary group of the shock-absorbing member 200 is exchangeably inserted into the hollow space portion 110 of the thus formed shoe sole.
  • FIG. 5 there is shown a process of manufacturing the shoe sole 100 according to another preferred embodiment of the present invention.
  • the process of manufacturing the shoe sole 100 includes: a first molding step (s110) of foam-molding the midsole 102 having the hollow space portion 110 formed laterally at the inside thereof so as penetrate to the left and right sides and having a pair of opposed seating recesses 120a and 120b formed on the ceiling surface and the bottom surface of the hollow space portion; a second molding step (s120) of foam-molding the outsole 104 using a material identical to or different from that of the midsole 102; and an attaching step (s130) of attaching the outsole 104 to the bottom surface of the midsole 102. Any one selected from the aforementioned exemplary group of the shock-absorbing member 200 is exchangeably inserted into the hollow space portion 110 of the thus manufactured shoe sole 100.
  • FIG. 6 there is shown a process of manufacturing the shoe sole 100 according to yet another preferred embodiment of the present invention.
  • the process of manufacturing the shoe sole 100 includes: a first molding step (s110') of foam-molding a first midsole 102a having a concaved portion 106 which is opened at the left and right sides thereof and at the bottom thereof, has a seating recess 120a formed on the ceiling surface thereof and is formed in a semi-spherical or semi-elliptical shape; a second molding step (s120') of sequentially foam-molding a midsole 102b and an outsole 104 using a material identical to or different from that of the first midsole 102a in such a fashion that a seating recess 120b is formed on the top surface of the second midsole 102b so as to be opposed to the seating recess 120a; an attaching molding step (s130) of attaching the second midsole 102b to the bottom surface of the first midsole 102a so as to allow a hollow space portion 110 to be defined between the first midsole 102a and the second midsole 102b in a semi-sp
  • FIG. 7 there is shown a process of manufacturing the shoe sole 100 according to still another preferred embodiment of the present invention.
  • the process of manufacturing the shoe sole 100 includes: a first molding step (s110') of foam-molding a first midsole 102a having a concaved portion 106 which is opened at the left and right sides thereof and at the bottom thereof, has a seating recess 120a formed on the ceiling surface thereof and is formed in a semi-spherical or semi-elliptical shape; a second molding step (s120") of foam-molding a midsole 102b using a material identical to or different from that of the first midsole 102a in such a fashion that a seating recess 120b is formed on the top surface of the second midsole 102b so as to be opposed to the seating recess 120a form on the first midsole 102a; a third molding step (s140) of foam-molding an outsole 104 using a material identical to or different from that of the first midsole 102a; and an attaching molding step (s130) of attaching the second midsole 102b to the bottom surface of the first mid
  • the sole 100 for shoes enabling exchange of a shock-absorbing member according to the present invention may be integrally manufactured without separately dividing the midsole 102 and the outsole 104, and may be manufactured by separately dividing the midsole 102 and the outsole 104.
  • the shoe sole 100 may be manufactured in such a fashion that the midsole 102 is divided into two sections. Therefore, it is to be noted that the shoe sole 100 can be manufactured in various manners.
  • the shoe sole 100 includes the hollow space portion 110 formed laterally at the inside thereof.
  • the shoe sole 100 is constructed such that any one selected from the group consisting of the air bag 210, the spring 220 and the cushion member 230 is exchangeably inserted into the shock-absorbing member 200 as the shock-absorbing member whenever necessary.
  • the sole 100 for shoes enabling exchange of a shock-absorbing member according to the present invention includes the hollow space portion formed laterally at the inside thereof, any one selected from the group consisting of the air bag, the cushion member and the spring, which have an impact absorbing force or give a cushioning feeling, can be exchangeably employed as the shock-absorbing member so to be suited to each situation whenever necessary depending on the state of a wearer's feet, the condition of a road surface, the walking motion, or the like, thereby further improving convenience in use.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP09177475A 2009-04-16 2009-11-30 Sole for shoes enabling exchange of shock-absorbing member Withdrawn EP2241208A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090033089A KR100920630B1 (ko) 2009-04-16 2009-04-16 충격흡수부재의 교체가 가능하도록 된 신발용 밑창

Publications (1)

Publication Number Publication Date
EP2241208A1 true EP2241208A1 (en) 2010-10-20

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Family Applications (1)

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EP09177475A Withdrawn EP2241208A1 (en) 2009-04-16 2009-11-30 Sole for shoes enabling exchange of shock-absorbing member

Country Status (4)

Country Link
US (1) US20100263228A1 (ja)
EP (1) EP2241208A1 (ja)
JP (1) JP5207555B2 (ja)
KR (1) KR100920630B1 (ja)

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EP2556763A3 (de) * 2011-08-11 2013-11-13 Hermann Oberschneider Konstruktion, Herstellung und Verwendung eines neuartigen Schuhsohlensystems
WO2014207423A1 (en) * 2013-06-24 2014-12-31 Natalie Lee-Sang An article of footwear

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JP6786595B2 (ja) * 2015-10-02 2020-11-18 ナイキ イノベイト シーブイ 履物のための発泡体を伴う板
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KR102206248B1 (ko) * 2017-02-01 2021-01-22 나이키 이노베이트 씨.브이. 밑창 구조체를 위한 적층형 완충 장치
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WO2005060781A1 (de) * 2003-12-23 2005-07-07 Puma Aktiengesellschaft Rudolf Dassler Sport Schuh
WO2006065047A1 (en) * 2004-12-15 2006-06-22 Ho-Hyoung Lee A health footwear having improved heel
WO2007113595A2 (en) * 2006-04-01 2007-10-11 C & J Clark International Limited Sole unit and footbed for an article of footwear
WO2008050090A1 (en) * 2006-10-27 2008-05-02 Keith Alexander Derek Maunder Shoe
US20080189986A1 (en) * 2007-02-13 2008-08-14 Alexander Elnekaveh Ventilated and resilient shoe apparatus and system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2556763A3 (de) * 2011-08-11 2013-11-13 Hermann Oberschneider Konstruktion, Herstellung und Verwendung eines neuartigen Schuhsohlensystems
WO2014207423A1 (en) * 2013-06-24 2014-12-31 Natalie Lee-Sang An article of footwear
US10631592B2 (en) 2013-06-24 2020-04-28 Natalie Chereen Sarah Lee-Sang Article of footwear

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JP2010246891A (ja) 2010-11-04
US20100263228A1 (en) 2010-10-21
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