CA2490408A1 - Shoe having an inflatable bladder - Google Patents

Shoe having an inflatable bladder Download PDF

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Publication number
CA2490408A1
CA2490408A1 CA 2490408 CA2490408A CA2490408A1 CA 2490408 A1 CA2490408 A1 CA 2490408A1 CA 2490408 CA2490408 CA 2490408 CA 2490408 A CA2490408 A CA 2490408A CA 2490408 A1 CA2490408 A1 CA 2490408A1
Authority
CA
Canada
Prior art keywords
footwear
article
compartment
bladder
inflation mechanism
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
CA 2490408
Other languages
French (fr)
Other versions
CA2490408C (en
Inventor
William Marvin
Paul M. Davis
Geoff Swales
Paul E. Litchfield
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.)
Reebok International Ltd
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 CA2490408A1 publication Critical patent/CA2490408A1/en
Application granted granted Critical
Publication of CA2490408C publication Critical patent/CA2490408C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/20—Check valves specially designed for inflatable bodies, e.g. tyres
    • F16K15/202—Check valves specially designed for inflatable bodies, e.g. tyres and with flexible valve member
    • 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
    • A43B13/186—Differential cushioning region, e.g. cushioning located under the ball of the foot
    • 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
    • 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
    • A43B13/203—Pneumatic soles filled with a compressible fluid, e.g. air, gas provided with a pump or valve
    • 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
    • A43B13/206—Pneumatic soles filled with a compressible fluid, e.g. air, gas provided with tubes or pipes or tubular shaped cushioning members
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/02—Uppers; Boot legs
    • A43B23/0245—Uppers; Boot legs characterised by the constructive form
    • A43B23/028—Resilient uppers, e.g. shock absorbing
    • A43B23/029—Pneumatic upper, e.g. gas filled
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/07—Linings therefor
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/06—Footwear with health or hygienic arrangements ventilated
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/06—Footwear with health or hygienic arrangements ventilated
    • A43B7/08—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures
    • A43B7/084—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures characterised by the location of the holes
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/06—Footwear with health or hygienic arrangements ventilated
    • A43B7/08—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures
    • A43B7/084—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures characterised by the location of the holes
    • A43B7/085—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures characterised by the location of the holes in the upper
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C11/00—Other fastenings specially adapted for shoes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7879—Resilient material valve
    • Y10T137/7888—With valve member flexing about securement
    • Y10T137/789—Central mount
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87265—Dividing into parallel flow paths with recombining
    • Y10T137/87378—Second valve assembly carried by first valve head
    • Y10T137/87394—Carried valve is direct response valve [e.g., check valve, etc.]

Abstract

An article of footwear including a sole and an upper with an exterior and interior surface, and one or more bladders (1430) which comprises at least one of the exterior or interior surfaces of the upper. The bladder (1430) comprising sheets of polyurethane or polyester film attached together to form an airtight seal. The article of footwear also includes a inflation mechanism (1460) for selectively introducing air in the one or more bladders (1430). The inflation mechanism (1460) is located under the foot of the wearer to be activated by the normal action of the wearer to inflate the one or more bladders (1430). The article of footwear may also include an assembly for connecting several tubes to one under foot inflation mechanism. The article of footwear may also include inflatable laces that are inflated by an underfoot inflation mechanism.

Claims (90)

1. Footwear, comprising:
a sole;
an upper attached to said sole, said upper including an exterior surface and an interior surface wherein said upper comprises a bladder wherein said bladder forms a portion of said interior surface; and an inflation mechanism for introducing air into said bladder.
2. The footwear of claim 1, wherein said bladder forms a portion of said exterior surface.
3. The footwear of claim 2, wherein said bladder extends under the foot of a wearer.
4. The footwear of claim 3, wherein said bladder comprises a medial side and a lateral side wherein said medial side and said lateral side are attached under the foot of a wearer.
5. The footwear of claim 4, wherein said medial side of said bladder and said lateral side of said bladder are stitched together along a stitching margin.
6. The footwear of claim 5, wherein said stitching margin is curved.
7. The footwear of claim 3, wherein a portion of said bladder which extends under the foot of the wearer is isolated from said inflation mechanism to prevent the portion of said bladder from having air introduced therein.
8. The footwear of claim 4, wherein a portion of said bladder which extends under the foot of the wearer is isolated from said inflation mechanism to prevent the portion of said bladder from having air introduced therein.
9. The footwear of claim 1, wherein said bladder is formed from a first film and a second film.
10. The footwear of claim 9, wherein said first film and said second film comprise urethane.
11. The footwear of claim 1, wherein said bladder is formed from at least one laminate material.
12. The footwear of claim 11, wherein said laminate material comprises a cloth laminae.
13. The footwear of claim 11, wherein said laminate material comprises a polyurethane laminae.
14. The footwear of claim 11, wherein said laminate material comprises a polyurethane layer and a cloth layer.
15. The footwear of claim 1, wherein said sole comprises a foam midsole.
16. The footwear of claim 15, wherein said midsole includes a top surface and wherein a cavity is formed in said top surface.
17. The footwear of claim 16, wherein a portion of said inflation mechanism is disposed within said cavity.
18. The footwear of claim 1, wherein said inflation mechanism is disposed under the foot of a wearer.
19. The footwear of claim 1, wherein said bladder is perforated to allow air to diffuse therethrough when air within said bladder exceeds preselected pressure.
20. The footwear of claim 18, wherein said inflation mechanism is positioned in a location which allows said inflation mechanism to automatically introduce air into said bladder as a wearer engages in an activity.
21. Footwear, comprising:
a sole;
an upper attached to said sole wherein at least 50% of said upper is formed by an inflatable bladder;
an inflation mechanism substantially permanently attached to said upper.
22. Footwear, comprising:
a sole;
an upper attached to said sole wherein at least 50% of said upper is formed by an inflatable bladder;
an inflation mechanism substantially permanently attached to said sole.
23. An article of footwear comprising:
a sole;
an upper, said upper having an outer surface and wherein at least a portion of said outer surface of said upper is formed from an inflatable bladder; and an inflation mechanism for selectively introducing air to said bladder, wherein said inflation mechanism is disposed in a location which allows operation by downward pressure of a user's foot exerting force on said inflation mechanism.
24. The article of footwear of claim 23, wherein said inflatable bladder comprises a sole compartment, a medial compartment, and a lateral compartment.
25. The article of footwear of claim 24, wherein said sole compartment is further divided into at least a first compartment and a second compartment.
26. The article of footwear of claim 25, wherein said first compartment is fluidly connected and adjacent to said medial compartment and said second compartment is fluidly connected to and adjacent said lateral compartment.
27. The article of footwear of claim 26, wherein said first compartment and said second compartment are not directly fluidly connected and are separated by a periphery weld line.
28. The article of footwear of claim 27, wherein said first compartment and said second compartment are permanently attached under the foot, such that said bladder forms a continuous cushion running from one side of an inserted foot, under said foot, to a second side of said foot.
29. The article of footwear of claim 28, wherein said bladder further comprises an heel portion fluidly connected and adjacent to both said medial compartment and lateral compartment.
30. The article of footwear of claim 29, wherein said heel portion is permanently attached to said sole compartment, such that said bladder forms a boot surrounding a heel of a foot when inserted into said shoe.
31. The article of footwear of claim 26, wherein said first compartment is an arch compartment.
32. The article of footwear of claim 31, wherein said second compartment further comprises a heel compartment.
33. The article of footwear of claim 32, wherein said second compartment further comprises a midfoot compartment, wherein said midfoot compartment is fluidly connected to one of said heel compartment, said medial compartment or said lateral compartment.
34. The article of footwear of claim 33, wherein said second compartment further comprises a forefoot compartment, wherein said forefoot compartment is fluidly connected to one of said midfoot compartment, said medial compartment or said lateral compartment.
35. The article of footwear of claim 25, wherein said first compartment is a forefoot compartment.
36. The article of footwear of claim 35, wherein said second compartment further comprises a heel compartment.
37. The article of footwear of claim 36, wherein said second compartment further comprises a midfoot compartment wherein said midfoot compartment is fluidly connected to one or more of said heel compartment, said lateral compartment and said medial compartment.
38. The article of footwear of claim 23, further comprising a release valve, wherein said release vale provides communication between said bladder and the ambient atmosphere, whereby a user can reduce the amount of air in said bladder.
39. The article of footwear of claim 23, further comprising a check wherein said check valve provides communication between said bladder and the ambient atmosphere, whereby the pressure in said bladder is automatically released.
40. The article of footwear of claim 23, further comprising a combination check valve and release valve.
41. The article of footwear of claim 23, wherein said bladder comprises two sheets of urethane film which are welded together.
42. The article of footwear of claim 23, wherein said inflation mechanism defines a hole which acts as a one-way valve to enable air to be introduced into said inflation mechanism.
43. The article of footwear of claim 23, wherein said inflation mechanism is located substantially under the heel of the foot.
44. The article of footwear of claim 43, wherein said inflation mechanism further comprises a foam insert.
45. The article of footwear of claim 23, further comprising a plurality of inflation mechanisms.
46. The article of footwear of claim 45, wherein at least one of said plurality of inflation mechanisms is located substantially under the heel of the foot.
47. The article of footwear of claim 23, wherein said bladder is formed from a laminate.
48. The article of footwear of claim 47, wherein said laminate comprises a polyurethane film laminae.
49. The article of footwear of claim 47, wherein said laminate comprise a cloth laminae.
50. The article of footwear of claim 47, wherein said laminate comprises a cloth laminae and a polyurethane film laminae.
51. A combination check valve and release valve, comprising:
a cap;
a seating forming a first air-tight seal with said cap;
a check valve forming a second air-tight seal with said seating;
wherein downward pressure on said cap causes a separation between said seating and said cap releasing said first airtight seal.
52. An article of footwear comprising:
a sole;
an upper, said upper having an outer surface and wherein at least a portion of said outer surface of said upper is formed by at least one bladder; and an inflation mechanism for introducing air to at least one of said at least one bladder, wherein said inflation mechanism is disposed in a location which allows operation of said inflation mechanism by downward pressure of a user's foot when inserted in said article of footwear.
53. The article of footwear of claim 52, wherein air is directed into said inflation mechanism from a location outside of said article of footwear.
54. The article of footwear of claim 53, wherein air is directed into said inflation mechanism through a tube.
55. The article of footwear of claim 54, wherein said tube has a first end and a second end, said first end being fluidly connected to said inflation mechanism and said second end being open to an environment proximal to said article of footwear.
56. The article of footwear of claim 55, wherein said second end is open via a plurality of hole provided in a substantially vertical plane.
57. The article of footwear of claim 56, wherein said plurality of holes are provided in a cover into which said second end of said tube is inserted.
58. The article of footwear of claim 54, wherein said tube is flexible.
59. The article of footwear of claim 54, wherein said tube is rigid.
60. The article of footwear of claim 52, wherein said article of footwear comprises one bladder, said one bladder comprises a vamp compartment fluidly connected to a medial heel compartment that is fluidly connected to a heel compartment, wherein said one bladder and said vamp compartment, said medial heel compartment and said heel compartment are defined by a periphery weld line.
61. The article of footwear of claim 60, wherein said heel compartment is said inflation mechanism.
62. The article of footwear of claim 60, wherein said vamp compartment comprises a series of cross-hatched channel defined by said periphery weld line and a plurality of closed interior weld lines.
63. The article of footwear of claim 62, wherein said closed interior weld lines define an opening in said upper.
64. The article of footwear of claim 52, wherein said at least one bladder comprises two sheets of urethane film which are welded together.
65. The article of footwear of claim 52, wherein said at least one bladder comprises two sheets of polyester and polyurethane composite film.
66. The article of footwear of claim 65, wherein said polyester film is metallized polyester film.
67. The article of footwear of claim 52, wherein said at least one bladder comprises two sheets, wherein at least one of said sheets is a laminate of a urethane film and another material.
68. The article of footwear of claim 52, wherein said at least one bladder is fluidly connected to said inflation mechanism by a plurality of tubes.
69. The article of footwear of claim 69, wherein each of said plurality of tubes has a first end and a second end, each said first end being fluidly connected to said at least one bladder and each said second end forming a air tight seal with a single channel that is fluidly connected to said inflation mechanism.
70. The article of footwear of claim 69, wherein said inflation mechanism is located substantially under the heel of the foot.
71. The article of footwear of claim 70, further comprising a shank, said shank having a plurality of cavities for receiving one or more of said plurality of tubes.
72. The article of footwear of claim 69, comprising at least a first bladder and a second bladder.
73. The article of footwear of claim 72, wherein at least one of said plurality of tubes fluidly connects said first bladder to inflation mechanism and wherein said second bladder is fluidly connected to said first bladder through at least one of said plurality of tubes.
74. The article of footwear of claim 72, wherein at least one of said plurality of tubes connects said first bladder to said inflation mechanism and wherein at least one of said plurality of tubes connects said second bladder to said inflation mechanism.
75. The article of footwear of claim 52, further comprising at least one of a midsole and sockliner.
76. The article of footwear of claim 52, further comprising a deflation mechanism.
77. The article of footwear of claim 76, wherein said deflation mechanism comprises a cap;
a seating forming a first air-tight seal with said cap; and a check valve contained in said cap forming a second air tight seal with said seating;
wherein downward pressure on said cap causes a separation between said seating and said cap releasing said first air tight seal.
78. The article of footwear of claim 76, wherein said deflation mechanism comprises a base in fluid communication with said bladder;
a release valve having a flange and a plunger, said flange forming a first air tight seal with said base;
a check valve forming a second air tight seal with said base; and a cap covering said base, said cap used to depress said plunger releasing said first air tight seal.
79. An article of footwear, comprising a sole, an upper attached to said sole;
an inflation mechanism located generally in a heel area of said sole;
a plurality of tubes fluidly connected to said inflation mechanism, said tubes, when inflated tighten said upper around a foot inserted into said article of footwear.
80. The article of footwear of claim 79, wherein each of said plurality of tubes has a first end and a second end, each said first end and each said second end forming a air tight seal with a single channel that is fluidly connected to said inflation mechanism.
81. The article of footwear of claim 79, further comprising a shank, said shank having a plurality of cavities for receiving one or more of said plurality of tubes.
82. The article of footwear of claim 79, wherein at least one of said plurality of tubes extends across a vamp area of said article of footwear and at least one of said plurality of tubes extends across a heel area of said article of footwear.
83. The article of footwear of claim 82, wherein five tubes extend across a vamp area and three tubes extend across a heel area of said article of footwear.
84. The article of footwear of claim 79, further comprising a deflation mechanism.
85. A sockliner, comprising: an inflatable bladder and an inflation mechanism disposed in a location which allows operation of said inflation mechanism by downward pressure of a user's foot upon said sockliner.
86. The sockliner of claim 85, wherein said bladder comprises at least one heel compartment, at least one medial compartment, at least one forefoot compartment, at least one first plalanx compartment, at least one second to fifth phalanx compartment, and at least one lateral compartment, said compartments being defined by a periphery weld line and one or more interior weld lines.
87. The sockliner of claim 86, wherein said bladder comprises one heel compartment that is said inflation mechanism.
88. The sockliner of claim 86, wherein said bladder comprises a plurality of medial compartments, a plurality of forefoot compartments, a plurality of first phalanx compartments, a plurality of second to fifth phalanx compartments, and a plurality of lateral compartments.
89. The sockliner of claim 85, further comprising a deflation mechanism.
90. The sockliner of claim 89, wherein said deflation mechanism is at least one perforation in said bladder which is generally closed but opens when pressure within said bladder reaches a predetermined amount.
CA 2490408 2002-07-02 2003-07-02 Shoe having an inflatable bladder Expired - Lifetime CA2490408C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/186,717 US6785985B2 (en) 2002-07-02 2002-07-02 Shoe having an inflatable bladder
US10/186,717 2002-07-02
PCT/US2003/020815 WO2004004503A1 (en) 2002-07-02 2003-07-02 Shoe having an inflatable bladder

Publications (2)

Publication Number Publication Date
CA2490408A1 true CA2490408A1 (en) 2004-01-15
CA2490408C CA2490408C (en) 2012-03-13

Family

ID=29999313

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2490408 Expired - Lifetime CA2490408C (en) 2002-07-02 2003-07-02 Shoe having an inflatable bladder

Country Status (6)

Country Link
US (10) US6785985B2 (en)
EP (1) EP1534095B1 (en)
JP (1) JP2005532115A (en)
AU (1) AU2003247699B2 (en)
CA (1) CA2490408C (en)
WO (1) WO2004004503A1 (en)

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US7337560B2 (en) 2008-03-04
US20040003517A1 (en) 2004-01-08
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US20040211084A1 (en) 2004-10-28
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