CA2483699A1 - Footwear sole component with a single sealed chamber - Google Patents

Footwear sole component with a single sealed chamber Download PDF

Info

Publication number
CA2483699A1
CA2483699A1 CA002483699A CA2483699A CA2483699A1 CA 2483699 A1 CA2483699 A1 CA 2483699A1 CA 002483699 A CA002483699 A CA 002483699A CA 2483699 A CA2483699 A CA 2483699A CA 2483699 A1 CA2483699 A1 CA 2483699A1
Authority
CA
Canada
Prior art keywords
chamber
bladder
elastomeric material
sole component
shape
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
CA002483699A
Other languages
French (fr)
Other versions
CA2483699C (en
Inventor
John F. Swigart
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.)
Nike Innovate CV USA
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2483699A1 publication Critical patent/CA2483699A1/en
Application granted granted Critical
Publication of CA2483699C publication Critical patent/CA2483699C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • A43B7/1415—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 characterised by the location under the foot
    • A43B7/144—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 characterised by the location under the foot situated under the heel, i.e. the calcaneus bone
    • 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
    • A43B13/14—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
    • A43B13/189—Resilient soles filled with a non-compressible fluid, e.g. gel, water
    • 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

Abstract

A sole component for footwear combining the desirable response characteristics of a fluid filled chamber and an elastomeric material. The chamber (14, 14') can be formed as a single bladder chamber (14, 16) in contact with an elastomeric midsole (12), or a single chamber formed by a sealing (19) a void in elastomeric material. The interface between the chamber and elastomeric material is sloped and gradual so that the shape of the chamber and its placement in a midsole determine the combination of response characteristics in the sole component. The chamber (14, 14') has a relatively simple shape with one axis of symmetry with a rounded portion (27) and a narrow portion (29). Varying the placement of the chamber in the elastomeric material can simulate the impact response of more complex and expensive systems with only a single chamber shape that needs to be stocked. The chamber has a relatively large volume, is devoid of internal connections, and has an internal pressure within 5 psi if ambient pressure, and preferably at ambient pressure. Since air is used as the fluid, no specialized gases are required. No specialized films or bladder materials are required where the chamber is formed as a bladder, since the bladder is not highly pressurized. Manufacture is simplified and design flexibility enhanced with only one type of air chamber.
CA002483699A 2002-05-09 2003-05-08 Footwear sole component with a single sealed chamber Expired - Lifetime CA2483699C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/143,745 US6796056B2 (en) 2002-05-09 2002-05-09 Footwear sole component with a single sealed chamber
US10/143,745 2002-05-09
PCT/US2003/014399 WO2003094645A1 (en) 2002-05-09 2003-05-08 Footwear sole component with a single sealed chamber

Publications (2)

Publication Number Publication Date
CA2483699A1 true CA2483699A1 (en) 2003-11-20
CA2483699C CA2483699C (en) 2009-02-17

Family

ID=29400213

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002483699A Expired - Lifetime CA2483699C (en) 2002-05-09 2003-05-08 Footwear sole component with a single sealed chamber

Country Status (10)

Country Link
US (3) US6796056B2 (en)
EP (2) EP1501384B1 (en)
KR (1) KR100753881B1 (en)
CN (1) CN100434005C (en)
AT (1) ATE365476T1 (en)
AU (1) AU2003230299A1 (en)
CA (1) CA2483699C (en)
DE (1) DE60314622T2 (en)
HK (1) HK1077716A1 (en)
WO (1) WO2003094645A1 (en)

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US6796056B2 (en) 2004-09-28
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US7243443B2 (en) 2007-07-17
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US20030208930A1 (en) 2003-11-13
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EP1803365B1 (en) 2017-10-18
CA2483699C (en) 2009-02-17
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DE60314622D1 (en) 2007-08-09
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WO2003094645A1 (en) 2003-11-20
US20050278978A1 (en) 2005-12-22

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