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WO2008152414A1 - An article of footwear - Google Patents

An article of footwear Download PDF

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Publication number
WO2008152414A1
WO2008152414A1 PCT/GB2008/050401 GB2008050401W WO2008152414A1 WO 2008152414 A1 WO2008152414 A1 WO 2008152414A1 GB 2008050401 W GB2008050401 W GB 2008050401W WO 2008152414 A1 WO2008152414 A1 WO 2008152414A1
Authority
WO
WIPO (PCT)
Prior art keywords
footwear
article
heel
section
sole
Prior art date
Application number
PCT/GB2008/050401
Other languages
French (fr)
Inventor
Charles Bergmans
Original Assignee
C & J Clark International Limited
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 C & J Clark International Limited filed Critical C & J Clark International Limited
Priority to EP08750796A priority Critical patent/EP2160111A1/en
Publication of WO2008152414A1 publication Critical patent/WO2008152414A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/06—Shoes with flaps; Footwear with divided uppers
    • A43B3/08—Shoes with flaps; Footwear with divided uppers with rubber or elastic insertions or gussets
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B11/00—Footwear with arrangements to facilitate putting-on or removing, e.g. with straps
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/30—Footwear characterised by the shape or the use specially adapted for babies or small children

Definitions

  • the present invention relates to articles of footwear.
  • an article of footwear having a sole and an upper secured to the sole to receive therebetween in use a foot, the upper having a forward section and a separate heel section, the heel section being formed from an elastic material such that the heel section can be resiliently deformed downwardly relative to the sole about the junction between the sole and the heel section to enable a foot to be inserted into the forward section from the rear and upwardly to retain the foot in the article of footwear.
  • the heel section is formed from natural or synthetic rubber, such as a polyolefin or a polypropylene/SEBS mixture.
  • the heel section extends upwardly at both sides from the mid-sole towards its rearmost part.
  • a series of apertures are provided in the heel portion on both sides, the apertures being adjacent but spaced from a top edge of the heel section.
  • the apertures are substantially circular, the apertures are of varying size and the apertures get progressively larger towards the sole.
  • the elastic material of the heel section extends below the sole in the heel region. Often there are formations at the rearmost lowermost area of the heel section and with preferred arrangements the formations are in the form of concentric, circular corrugations which facilitate initiation of the resilient deformation of the heel section.
  • a heel liner element which is disposed inside the heel section when in use.
  • the heel liner element is secured to the sole at the rear of the article of footwear and is engaged between the foot and the heel section and ideally the heel liner element and the heel section have interengaging formations to ensure correct location of the heel liner element in use.
  • the heel liner element is cushioned and is shaped and dimensioned such that when the heel portion is in its upward position it keeps the heel portion from direct contact with the foot.
  • the sole is formed from the same material as the front section of the upper.
  • the sole and the forward sections of the upper are formed from leather panels and preferably the leather panels are stitched together.
  • the forward parts of the heel section overlap the rearmost parts of the forward section of the upper.
  • the forward section of the upper provides a foot receiving volume which is open at the rear but the forward section can be in abbreviated forms such as one or more straps or even simply an isolated toe-post.
  • a pull-tab may be provided at the rear of the heel section and a further pull tab may be provided at the uppermost rear edge of the forward section of the upper.
  • Figures 1 to 5 are perspective views of an article of footwear according to the present invention during the steps of its application
  • Figure 6 is a rear perspective view of the article of footwear shown in figure 1 .
  • Figure 7 is a view from below the article of footwear shown in figure 1,
  • Figure 8 is a side view of a heel section used in the article of footwear shown in figure 1,
  • Figure 9 is a section on line AA through the heel section of figure 7,
  • Figure 10 is a perspective view of an alternative article of footwear according to the present invention.
  • Figures 11 to 14 show sequential side views of a further alternative article of footwear during the steps of its application.
  • Figures 1 to 9 illustrate an article of footwear 10.
  • the article of footwear 10 is in the form of a 'pram boot' which is a small boot worn by babies, often in prams.
  • the boot 10 has a sole 11 and an upper comprising a forward section 12 and a heel section 13.
  • the sole 11 and the forward section 12 of the upper are both made from a soft, flexible material, ideally leather, and may be secured together by stitching, although in this particular embodiment the sole 11 actually extends around the front of the toe region to constitute a top section 14 of the forward section 12 of the upper.
  • the top section 14 also provides an optional pull- tab 15 to aid use of the boot.
  • the sole 11 may also incorporate some form of light stiffening insole.
  • the heel section also extends below the sole 11 as shown in figures 6 to 9.
  • the rearmost part of the heel section 13 is of a suitable height to capture and retain the wearer's heel and then tapers downwardly at each side of the boot 10. In this embodiment the front portions of the heel section 13 overlaps the rear portions of the forward section 12 but this is not critical.
  • the rearmost part also has a pull-tab 16 to aid use of the boot.
  • apertures 18 are generally circular and increase in size from rear to front of the boot 10. The relative sizes and shapes of the apertures could however be varied.
  • the heel section 13 At the rearmost, lowermost area of the heel section 13 are a series of concentric, generally circular formations 19 which are shown best in figures 6 to 9. In section, as shown in figure 9, the formations 19 provide a concentric pattern of somewhat circular corrugations.
  • Figure 1 shows the pram boot 10 prior to use.
  • the elastic heel section 13 is resiliently deformed downwardly about its junction with the sole to a position below the sole 11 so as to leave a clear rear opening to the forward section 12 of the upper as shown in Figure 2.
  • the wearer's foot 30 can then be inserted into the forward section 12 as shown in Figure 3.
  • Figure 4 shows the foot 30 fully inserted into the forward section 12 and the beginning of the elastic deformation of the heel section 13 back into its upwardly projecting condition as shown in Figure 5 in which the heel section is back in position above the sole to retain the foot 30 in the boot.
  • the wearer would be a baby and the baby's carer would insert the baby's foot 30 into the forward section 12 and would then elastically deform the heel section 13, perhaps using the tabs 15, 16 or using a smoothing action to stretch the elastic material, into its upwardly projecting condition.
  • the optional pull- tabs 15, 16 can assist in the manipulation of the boot 10 when being put on the foot 30.
  • the apertures 18 can assist in the manipulation of the heel section 13 by making it easier for the heel section to stretch in the region of the top edge 17.
  • the optional apertures 18 are shown as extending completely through the wall of the heel section 13, it will be appreciated that a similar effect could be obtained if the apertures were constituted by areas of reduced wall thickness. This may be desirable with some boot designs to avoid the visible presence of the apertures.
  • the optional concentric formations 19 in the lower heel region respond to thumb or finger pressure to facilitate the initiation of the elastic deformation both downwardly and upwardly. Although generally circular in shape, other shapes could produce a similar effect.
  • FIG 10 shows a boot 110 which is similar in many respects to that shown in Figures 1 to 9.
  • a heel liner element 40 which is hingedly connected to the sole 11 by means of stitching for example.
  • the heel liner element 40 can be of any suitable shape and may be made from any material or combination of materials.
  • the heel liner element 40 can be padded/cushioned for added comfort.
  • the heel liner element 40 could also be attached to the heel section 13 of the upper.
  • the heel liner element 40 has a rear lug 41 which engages with a rearmost aperture 18 to ensure correct positioning of the heel liner element 40 and to prevent slippage. Other location means could, however, be used instead.
  • FIGs 11 to 14 there are shown possibilities for the stages of application of a boot or shoe 50, primarily for children or adults rather than pram boots.
  • the heel section 13 is elastically deformed downwardly such that the shoe 50 sits on its toes and the rear of the inverted heel section 13.
  • the user's foot 30 is then inserted into the forward section 12 and the heel of the foot is pressed down towards the ground.
  • This downward movement initiates the elastic deformation of the rear section to its normal position in which it retains the foot 30 in the shoe as shown in Figure 4.
  • the downward movement of the heel deforms the heel section until it reaches an 'over centre' condition at which point the heel section snaps elastically back into its upstanding normal position.
  • the forward portion 12 has been shown as a rear opening pocket for receiving the forward part of the foot, the forward portion 12 can, however, take any form which retains part of the forward part of the foot. It could, therefore, be in the form of one or more straps to result in a sandal type shoe or even in the form of a toe-post to result in a flip flop type article of footwear. Other arrangements would be apparent to those skilled in the art.

Landscapes

  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

There is provided an article of footwear in the form of a boot which is ideally suited for use as a pram boot for babies. The boot has a forward section (12), a sole (11) and a heel section (13). The sole and forward section may be made from a flexible material such as leather and the heel section is made from an elasticmaterial such as natural or synthetic rubber. The heel section can be resiliently deformed downwardly to a position below the sole to allow easy insertion of the foot into the forward section and can be resiliently deformed upwardly to a position above the sole which retains the foot in the boot.

Description

An Article of Footwear
The present invention relates to articles of footwear.
According to the present invention there is provided an article of footwear having a sole and an upper secured to the sole to receive therebetween in use a foot, the upper having a forward section and a separate heel section, the heel section being formed from an elastic material such that the heel section can be resiliently deformed downwardly relative to the sole about the junction between the sole and the heel section to enable a foot to be inserted into the forward section from the rear and upwardly to retain the foot in the article of footwear. Usually the heel section is formed from natural or synthetic rubber, such as a polyolefin or a polypropylene/SEBS mixture.
Ideally, the heel section extends upwardly at both sides from the mid-sole towards its rearmost part. Preferably a series of apertures are provided in the heel portion on both sides, the apertures being adjacent but spaced from a top edge of the heel section. Preferred features are that the apertures are substantially circular, the apertures are of varying size and the apertures get progressively larger towards the sole.
In some embodiments the elastic material of the heel section extends below the sole in the heel region. Often there are formations at the rearmost lowermost area of the heel section and with preferred arrangements the formations are in the form of concentric, circular corrugations which facilitate initiation of the resilient deformation of the heel section.
With some preferred embodiments there is provided a heel liner element which is disposed inside the heel section when in use. Often the heel liner element is secured to the sole at the rear of the article of footwear and is engaged between the foot and the heel section and ideally the heel liner element and the heel section have interengaging formations to ensure correct location of the heel liner element in use. Preferably the heel liner element is cushioned and is shaped and dimensioned such that when the heel portion is in its upward position it keeps the heel portion from direct contact with the foot.
Sometimes the sole is formed from the same material as the front section of the upper. Often the sole and the forward sections of the upper are formed from leather panels and preferably the leather panels are stitched together.
In some arrangements the forward parts of the heel section overlap the rearmost parts of the forward section of the upper.
Normally, the forward section of the upper provides a foot receiving volume which is open at the rear but the forward section can be in abbreviated forms such as one or more straps or even simply an isolated toe-post.
For convenience a pull-tab may be provided at the rear of the heel section and a further pull tab may be provided at the uppermost rear edge of the forward section of the upper.
Embodiments of the present invention will now be described in more detail. The description makes reference to the accompanying drawings in which:
Figures 1 to 5 are perspective views of an article of footwear according to the present invention during the steps of its application,
Figure 6 is a rear perspective view of the article of footwear shown in figure 1 ,
Figure 7 is a view from below the article of footwear shown in figure 1,
Figure 8 is a side view of a heel section used in the article of footwear shown in figure 1,
Figure 9 is a section on line AA through the heel section of figure 7,
Figure 10 is a perspective view of an alternative article of footwear according to the present invention, and
Figures 11 to 14 show sequential side views of a further alternative article of footwear during the steps of its application. Figures 1 to 9 illustrate an article of footwear 10. In this embodiment the article of footwear 10 is in the form of a 'pram boot' which is a small boot worn by babies, often in prams.
The boot 10 has a sole 11 and an upper comprising a forward section 12 and a heel section 13. The sole 11 and the forward section 12 of the upper are both made from a soft, flexible material, ideally leather, and may be secured together by stitching, although in this particular embodiment the sole 11 actually extends around the front of the toe region to constitute a top section 14 of the forward section 12 of the upper. The top section 14 also provides an optional pull- tab 15 to aid use of the boot. The sole 11 may also incorporate some form of light stiffening insole.
The heel section 13 of the upper is formed from an elastic material such as rubber or synthetic rubber. Examples of particular materials are polyolefin or polypropylene/SEBS mixture. (SEBS = Styrene-Ethylene- Butylene-Styrene block copolymer). The precise material must be elastic and deformable enough for operation yet rigid enough to retain the foot of the wearer. In this embodiment the heel section also extends below the sole 11 as shown in figures 6 to 9. The rearmost part of the heel section 13 is of a suitable height to capture and retain the wearer's heel and then tapers downwardly at each side of the boot 10. In this embodiment the front portions of the heel section 13 overlaps the rear portions of the forward section 12 but this is not critical. The rearmost part also has a pull-tab 16 to aid use of the boot.
On both sides of the heel section 13, adjacent but spaced from a top edge 17 thereof, are a series of apertures 18. In the embodiment shown, the apertures are generally circular and increase in size from rear to front of the boot 10. The relative sizes and shapes of the apertures could however be varied.
At the rearmost, lowermost area of the heel section 13 are a series of concentric, generally circular formations 19 which are shown best in figures 6 to 9. In section, as shown in figure 9, the formations 19 provide a concentric pattern of somewhat circular corrugations.
Figure 1 shows the pram boot 10 prior to use. The elastic heel section 13 is resiliently deformed downwardly about its junction with the sole to a position below the sole 11 so as to leave a clear rear opening to the forward section 12 of the upper as shown in Figure 2. The wearer's foot 30 can then be inserted into the forward section 12 as shown in Figure 3. Figure 4 shows the foot 30 fully inserted into the forward section 12 and the beginning of the elastic deformation of the heel section 13 back into its upwardly projecting condition as shown in Figure 5 in which the heel section is back in position above the sole to retain the foot 30 in the boot. In practise, the wearer would be a baby and the baby's carer would insert the baby's foot 30 into the forward section 12 and would then elastically deform the heel section 13, perhaps using the tabs 15, 16 or using a smoothing action to stretch the elastic material, into its upwardly projecting condition.
The optional pull- tabs 15, 16 can assist in the manipulation of the boot 10 when being put on the foot 30. The apertures 18 can assist in the manipulation of the heel section 13 by making it easier for the heel section to stretch in the region of the top edge 17. Although the optional apertures 18 are shown as extending completely through the wall of the heel section 13, it will be appreciated that a similar effect could be obtained if the apertures were constituted by areas of reduced wall thickness. This may be desirable with some boot designs to avoid the visible presence of the apertures.
The optional concentric formations 19 in the lower heel region respond to thumb or finger pressure to facilitate the initiation of the elastic deformation both downwardly and upwardly. Although generally circular in shape, other shapes could produce a similar effect.
Figure 10 shows a boot 110 which is similar in many respects to that shown in Figures 1 to 9. In boot 110, however, there is provided a heel liner element 40 which is hingedly connected to the sole 11 by means of stitching for example. After the foot has been inserted into the forward section 12, the heel section 13 is elastically deformed from the lower position as shown to its upper position in which the heel liner element 40 is retained between the foot and the heel section 13. The heel liner element 40 can be of any suitable shape and may be made from any material or combination of materials. The heel liner element 40 can be padded/cushioned for added comfort. Instead of being attached to the sole 11, the heel liner element 40 could also be attached to the heel section 13 of the upper. In the illustrated embodiment, the heel liner element 40 has a rear lug 41 which engages with a rearmost aperture 18 to ensure correct positioning of the heel liner element 40 and to prevent slippage. Other location means could, however, be used instead.
In Figures 11 to 14, there are shown possibilities for the stages of application of a boot or shoe 50, primarily for children or adults rather than pram boots. Firstly, the heel section 13 is elastically deformed downwardly such that the shoe 50 sits on its toes and the rear of the inverted heel section 13. The user's foot 30 is then inserted into the forward section 12 and the heel of the foot is pressed down towards the ground. This downward movement initiates the elastic deformation of the rear section to its normal position in which it retains the foot 30 in the shoe as shown in Figure 4. The downward movement of the heel deforms the heel section until it reaches an 'over centre' condition at which point the heel section snaps elastically back into its upstanding normal position.
Whilst much of the above description has related to pram boots, it will be appreciated that the same principle can also be applied to other articles of footwear from toddlers' crawling shoes through to adult shoes. The external design will change, more conventional soles can be added as appropriate and the underside of the heel section 13 can be provided with a more conventional sole formation.
Also, although the forward portion 12 has been shown as a rear opening pocket for receiving the forward part of the foot, the forward portion 12 can, however, take any form which retains part of the forward part of the foot. It could, therefore, be in the form of one or more straps to result in a sandal type shoe or even in the form of a toe-post to result in a flip flop type article of footwear. Other arrangements would be apparent to those skilled in the art.

Claims

Claims
1. An article of footwear having a sole and an upper secured to the sole to receive therebetween in use a foot, the upper having a forward section and a separate heel section, the heel section being formed from an elastic material such that the heel section can be resiliently deformed downwardly relative to the sole about the junction between the sole and the heel section so that the heel portion is disposed below said junction to enable a foot to be inserted into the forward section from the rear and upwardly so that the heel portion is disposed above said junction to retain the foot in the article of footwear.
2. An article of footwear as claimed in claim 1 wherein the heel section is formed from natural or synthetic rubber.
3. An article of footwear as claimed in claim 2 wherein the heel section is formed from a polyolefin or a polypropylene/SEBS mixture.
4. An article of footwear as claimed in any one of claims 1 to 3 wherein the heel section extends upwardly at both sides from the mid-sole towards its rearmost part.
5. An article of footwear as claimed in claim 4 wherein a series of apertures are provided in the heel portion on both sides, the apertures being adjacent but spaced from a top edge of the heel section.
6. An article of footwear as claimed in claim 5 wherein the apertures are substantially circular.
7. An article of footwear as claimed in claim 5 or claim 6 wherein the apertures are of varying size.
8. An article of footwear as claimed in claim 7 wherein the apertures get progressively larger towards the sole.
9. An article of footwear as claimed in any one of claims 1 to 8 wherein the elastic material of the heel section extends below the sole in the heel region.
10. An article of footwear as claimed in claim 9 wherein there are formations at the rearmost lowermost area of the heel section.
11. An article of footwear as claimed in claim 10 wherein the formations are in the form of concentric, circular corrugations which facilitate initiation of the resilient deformation of the heel section.
12. An article of footwear as claimed in any one of claims 1 to 11 wherein there is provided a heel liner element which is disposed inside the heel section when in use.
13. An article of footwear as claimed in claim 12 wherein the heel liner element is secured to the sole at the rear of the article of footwear and is engaged between the foot and the heel section.
14. An article of footwear as claimed in claim 12 or claim 13 wherein the heel liner element and the heel section have interengaging formations to ensure correct location of the heel liner element in use.
15. An article of footwear as claimed in any one of claims 12 to 14 wherein the heel liner element is cushioned and is shaped and dimensioned such that when the heel portion is in its upward position it keeps the heel portion from direct contact with the foot.
16. An article of footwear as claimed in any one of claims 1 to 15 wherein the sole is formed from the same material as the front section of the upper.
17. An article of footwear as claimed in claim 16 wherein the sole and the forward sections of the upper are formed from leather panels.
18. An article of footwear as claimed in claim 17 wherein the leather panels are stitched together.
19. An article of footwear as claimed in any one of claims 1 to 18 wherein the forward parts of the heel section overlap the rearmost parts of the forward section of the upper.
20. An article of footwear as claimed in any one of claims 1 to 19 wherein the forward section of the upper provides a foot receiving volume which is open at the rear.
21. An article of footwear as claimed in any one of claims 1 to 20 wherein a pull-tab is provided at the rear of the heel section.
PCT/GB2008/050401 2007-06-13 2008-06-03 An article of footwear WO2008152414A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08750796A EP2160111A1 (en) 2007-06-13 2008-06-03 An article of footwear

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0711361.6 2007-06-13
GB0711361A GB0711361D0 (en) 2007-06-13 2007-06-13 An article of footwear

Publications (1)

Publication Number Publication Date
WO2008152414A1 true WO2008152414A1 (en) 2008-12-18

Family

ID=38331985

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2008/050401 WO2008152414A1 (en) 2007-06-13 2008-06-03 An article of footwear

Country Status (3)

Country Link
EP (1) EP2160111A1 (en)
GB (1) GB0711361D0 (en)
WO (1) WO2008152414A1 (en)

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US20170267847A1 (en) * 2016-03-15 2017-09-21 Nike, Inc. Foam compositions and uses thereof
US10512298B2 (en) 2017-05-23 2019-12-24 Nike, Inc. Footwear upper with lace-engaged zipper system
US10568382B2 (en) 2016-10-26 2020-02-25 Nike, Inc. Upper component for an article of footwear
US10602802B2 (en) 2016-10-26 2020-03-31 Nike, Inc. Hinged footwear sole structure for foot entry and method of manufacturing
US10687586B2 (en) 2017-05-25 2020-06-23 Nike, Inc. Rear closing upper for an article of footwear with front zipper to rear cord connection
US10758010B2 (en) 2017-04-17 2020-09-01 Nike, Inc. Increased access footwear
US10827803B2 (en) 2018-04-13 2020-11-10 Nike, Inc. Footwear fastening system
CN112568548A (en) * 2016-10-26 2021-03-30 耐克创新有限合伙公司 Heel spring device for shoes
JP2021053001A (en) * 2019-09-28 2021-04-08 太 川越 Special shoes
US11140941B2 (en) 2019-05-03 2021-10-12 Nike, Inc. Footwear upper with unitary support frame
US11172727B2 (en) 2017-05-23 2021-11-16 Nike, Inc. Rear access article of footwear with movable heel portion
US11185125B2 (en) 2018-12-28 2021-11-30 Nike, Inc. Footwear with jointed sole structure for ease of access
US11304477B2 (en) 2016-10-26 2022-04-19 Nike, Inc. Footwear heel spring device
US11304479B2 (en) 2017-02-28 2022-04-19 Nike, Inc. Footwear with laceless fastening system
US11439198B2 (en) 2018-06-04 2022-09-13 Nike, Inc. Two part sole structures and uses thereof
US11464287B2 (en) 2018-12-28 2022-10-11 Nike, Inc. Footwear element with locating pegs and method of manufacturing an article of footwear
US11523655B2 (en) 2018-12-03 2022-12-13 Nike, Inc. High energy return foam compositions having improved abrasion resistance and uses thereof
US11589653B2 (en) 2019-11-25 2023-02-28 Nike, Inc. Tension-retaining system for a wearable article
US11707113B2 (en) 2019-10-18 2023-07-25 Nike, Inc. Easy-access article of footwear with cord lock
US11910867B2 (en) 2022-03-28 2024-02-27 Nike, Inc. Article of footwear with heel entry device

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US10344150B2 (en) 2016-03-15 2019-07-09 Nike, Inc. Foam compositions and uses thereof
US12060478B2 (en) 2016-03-15 2024-08-13 Nike, Inc. Foam compositions and uses thereof
US11780997B2 (en) 2016-03-15 2023-10-10 Nike, Inc. Foam compositions and uses thereof
US11739201B2 (en) 2016-03-15 2023-08-29 Nike, Inc. Foam compositions and uses thereof
US11643535B2 (en) 2016-03-15 2023-05-09 Nike, Inc. Foam compositions and uses thereof
US20170267847A1 (en) * 2016-03-15 2017-09-21 Nike, Inc. Foam compositions and uses thereof
US11149138B2 (en) 2016-03-15 2021-10-19 Nike, Inc. Foam compositions and uses thereof
US10947371B2 (en) 2016-03-15 2021-03-16 Nike, Inc. Foam compositions and uses thereof
US10927242B2 (en) 2016-03-15 2021-02-23 Nike, Inc. Foam compositions and uses thereof
US11213097B2 (en) 2016-10-26 2022-01-04 Nike, Inc. Footwear heel spring device
US11213098B2 (en) 2016-10-26 2022-01-04 Nike, Inc. Footwear heel spring device
CN112568548A (en) * 2016-10-26 2021-03-30 耐克创新有限合伙公司 Heel spring device for shoes
US11484095B2 (en) 2016-10-26 2022-11-01 Nike, Inc. Footwear heel spring device
US10568382B2 (en) 2016-10-26 2020-02-25 Nike, Inc. Upper component for an article of footwear
US10602802B2 (en) 2016-10-26 2020-03-31 Nike, Inc. Hinged footwear sole structure for foot entry and method of manufacturing
US11612216B2 (en) 2016-10-26 2023-03-28 Nike, Inc. Footwear heel spring device
US11304477B2 (en) 2016-10-26 2022-04-19 Nike, Inc. Footwear heel spring device
US11304479B2 (en) 2017-02-28 2022-04-19 Nike, Inc. Footwear with laceless fastening system
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