WO2019104080A1 - Dispositif pour chaussures à talons hauts et procédé de fabrication d'une chaussure à talon haut - Google Patents

Dispositif pour chaussures à talons hauts et procédé de fabrication d'une chaussure à talon haut Download PDF

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Publication number
WO2019104080A1
WO2019104080A1 PCT/US2018/062086 US2018062086W WO2019104080A1 WO 2019104080 A1 WO2019104080 A1 WO 2019104080A1 US 2018062086 W US2018062086 W US 2018062086W WO 2019104080 A1 WO2019104080 A1 WO 2019104080A1
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WO
WIPO (PCT)
Prior art keywords
wearer
shoe
heel
larger
calcaneus
Prior art date
Application number
PCT/US2018/062086
Other languages
English (en)
Inventor
Brian G.R. Hughes
Howard Dananberg
Original Assignee
Hbn Shoe, Llc
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 US15/819,951 external-priority patent/US10477915B2/en
Application filed by Hbn Shoe, Llc filed Critical Hbn Shoe, Llc
Priority to EP18881596.3A priority Critical patent/EP3675671A4/fr
Priority to PE2020000400A priority patent/PE20201451A1/es
Priority to CA3083245A priority patent/CA3083245A1/fr
Priority to AU2018370855A priority patent/AU2018370855B2/en
Priority to JP2020539044A priority patent/JP2021504067A/ja
Priority to CN201880021501.4A priority patent/CN110505815A/zh
Publication of WO2019104080A1 publication Critical patent/WO2019104080A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/02—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient
    • A43B17/023—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient wedge-like
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/38—Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process
    • 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
    • A43B7/141—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 having an anatomical or curved form
    • 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
    • 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
    • A43B7/142—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 medial arch, i.e. under the navicular or cuneiform bones
    • 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
    • A43B7/1425—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 ball of the foot, i.e. the joint between the first metatarsal and first phalange
    • 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
    • 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
    • A43B7/1445—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 midfoot, i.e. the second, third or fourth metatarsal
    • 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
    • A43B7/22—Footwear with health or hygienic arrangements with foot-supporting parts with fixed flat-foot insertions, metatarsal supports, ankle flaps or the like
    • 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
    • A43B7/22—Footwear with health or hygienic arrangements with foot-supporting parts with fixed flat-foot insertions, metatarsal supports, ankle flaps or the like
    • A43B7/223—Footwear with health or hygienic arrangements with foot-supporting parts with fixed flat-foot insertions, metatarsal supports, ankle flaps or the like characterised by the constructive form
    • 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
    • A43B7/24—Insertions or other supports preventing the foot canting to one side , preventing supination or pronation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/14—Special medical insertions for shoes for flat-feet, club-feet or the like

Definitions

  • the present invention relates to a shoe that is easily constructed and provides greater comfort to the wearer without affecting the fit or style of the shoe.
  • the invention has particular utility in connection with high-heeled shoes and will be described in connection with such utility, although the invention also has utility in connection with low heel footwear products as well.
  • FIG. 1 is a diagrammatic view of the bones of the foot and the portions of a shoe that underlie the sole of the foot.
  • FIG. 1 the following briefly describes the anatomy of the foot and the basics of shoe construction.
  • FIG. 1 is a diagrammatic medial side view of the bones of the human foot 10.
  • references to rearward mean in the direction of the rear of the foot or heel 20; references to forward or toeward mean in the direction of the front of the foot 30 where the toes or phalanges 31 are located; references to medial mean the side of the foot where the arch 40 is located; references to lateral mean the outside of the foot; and references to upper or top and lower, bottom or under assume the foot or shoe is oriented in an upright position.
  • the heel 20 (also known as the tarsus) includes the talus 21 and the calcaneus 22 bones.
  • the rear lower surface of the calcaneus 22 has a slight protuberance 23 known as the calcaneal tuberosity.
  • the calcaneus is an irregularly shaped quadrangular bone also called the heel bone or os calcis.
  • the medial side of the calcaneal tuberosity i.e. the lower part of the posterior surface of the calcaneus is not precisely on the same ground or plane as the lateral tuberosity. This slight difference in calcaneal anatomy leads to ankle instability particularly for wearers of high heel shoes.
  • the bones of the foot also include the navicular 41 , the cuneiform 42, the metatarsals 45 and the phalanges, or toes, with the big toe 31 visible in FIG. 1.
  • the metatarsal heads 46 are located at the forward end of the metatarsal shafts 47.
  • the metatarsals are numbered 1 to 5, with 1 designating the big toe.
  • FIG. 1 Also depicted in FIG. 1 is a partially exploded view of the portions of a conventional high-heeled shoe 50 that underlie the sole of the foot.
  • Shoe 50 has a heel 51 which is generally attached to the lower surface of sole 52 of shoe 50, with the sole 52 in turn supporting the insole board 53 on which the sock liner 54 is placed.
  • the insole board is typically of relatively rigid construction from the region underlying the wearer's heel to the heads of the metatarsals.
  • Sock liners are commonly very flexible and generally are very thin, typically no more than half a millimeter thick.
  • the sock liner is the surface upon which the sole of the foot normally rests.
  • the last is the form around which the shoe is constructed.
  • the lower surface of the last sits on the upper surface of insole board, and the shoe upper is then shaped around the last and attached to the insole board.
  • the lower surface of the last and the upper surface of the insole board fit together smoothly in order to properly manufacture shoes. If there is any convexity on the lower surface of the last or the upper surface of the insole board
  • a corresponding concavity must be present in the insole board or last respectively. To be assured of a quality shoe construction, any such convexity and corresponding concavity must be carefully aligned during shoe manufacture, thereby introducing added complexity and/or quality control issues to shoe manufacture.
  • a conventional high-heeled shoe such as shown in FIG. 1 places the rearward part of the wearer's foot essentially on an inclined plane. As a result, the foot is urged forward by gravity into the toe box in standing or walking. This results in pressure on the ball or forefoot regions and toe jamming which often gives rise to a burning sensation in these areas of the foot, as well as fatigue and discomfort in the foot and other areas of the body.
  • the present invention provides a device for insertion into heeled shoes and the corresponding method of constructing shoes using the device.
  • the device comprises a rear region positioned to underlie the calcaneal tuberosity the wearer.
  • the rear region is shaped to accommodate the plantar surface of the calcaneal tuberosities and includes first and second essentially ellipsoid shaped depressions to accommodate the calcaneal tuberosity of the wearer.
  • medial/inside of the device i.e., under the medial tuberosity
  • the depression on the medial/inside is 2-5 times larger than the depression on the lateral/outside preferably 2- 4 times larger, more preferably 21 ⁇ 2 - 3 times larger, most preferably about 2.7 times larger in plan
  • the base level of the depression under the lateral tuberosity is slightly higher, e.g., about 0.1-3 mm higher, more preferably 0.1-2 mm higher, most preferably about 0.3 mm higher over the base level of the depression under the medial tuberosity to accommodate the calcaneal tuberosity of the wearer.
  • the toeward portions of the first and second depressions gradually rise to crescent shaped apices lying under the area forward of the tuberosity of the calcaneus.
  • the device also includes a forward region positioned to underlie at least a portion of the shafts of the metatarsals, the upper surface of said forward region having a portion which gradually rises to an apex positioned to underlie the shafts of the second and third metatarsals.
  • the device has a bridging or middle region which connects the forward and rear regions, the device is flexible and the upper surface of the device is smoothly contoured between all regions.
  • a feature and advantage of the device of the present invention is that the device may universally be applied to conventional heeled shoes without the need to otherwise modify the shoes or the shoe last.
  • a shoe may be constructed with the device according to the present invention by incorporating the device into the shoe during the manufacturing process or the device may be applied post-manufacture by the wearer.
  • FIG. 1 is a diagrammatic cross-sectional view of the foot bones and a partially exploded view of the portions of a conventional high-heeled shoe that underlie the sole of the foot.
  • FIG. 1A is a rear view of the calcaneus.
  • FIG. 2A and 2B are top plan views of an embodiment of the device of the present invention showing right (Fig. 2A) and left (Fig. 2B) shoe devices.
  • FIG. 3 is a side cross-sectional view of the device of the present invention shown in FIG. 2B, taken along plane "III-III.”
  • FIG. 4 is a contour drawing of the device of Fig. 2A.
  • FIG. 5 is a diagrammatic cross-sectional view of the foot bones and a partially exploded view of the portions of a conventional high-heeled shoe that underlie the sole of the foot into which the device of the present invention shown in FIG. 2 has been inserted.
  • FIGs. 6A-6D are views, similar to Figs 2A and 2B, of an alternative embodiment of the invention.
  • heeled shoes shall include high heeled shoes, low heeled shoes and flats.
  • the present invention provides a device which improves comfort and is easily installed in heeled shoes.
  • heeled shoes include all footwear having a heel which is about one inch or higher.
  • the benefits of the invention are achieved when a device is positioned in a shoe to underlie the metatarsal shafts and calcaneus of the wearer.
  • the device is positioned on the insole board or sock liner of a heeled shoe.
  • the device is sufficiently flexible so that it readily conforms to the upper surface of the insole board or sock liner on which it is positioned.
  • the device may be formed of any materials known to those of ordinary skill in the art that can be molded or shaped and that will produce a device flexible under normal conditions of use of a shoe, while retaining sufficient dimensional stability to retain the benefit of the invention.
  • the device is shaped to underlie at least (i) the portion of the heel extending from the edge of the tuberosity of the calcaneus to the portion of the heel that is immediately forward of the tuberosity of the calcaneus, and (ii) the area under the second and third metatarsal shafts.
  • the device may extend beyond these areas and may be shaped to conform to the shape of the sock liner or insole board.
  • the device is narrower than the sock liner when it is to be positioned under the sock liner. This narrower size allows the edge of the sock liner to be adhered to the insole board along the edges of the device of the invention. Depending on the style of the shoes this narrower configuration may be particularly desirable.
  • the device has two distinct areas: a first distinct heel area that underlies the calcaneal tuberosities of the wearer, and which has two depressed areas shaped generally to accommodate respectively the lateral and medial tuberosities of the wearer’s calcaneal anatomy.
  • the depressed areas rise from their respective forward edges of the tuberosity of the calcaneus to a crescent-shaped apices underlying the calcaneus in the area forward of the tuberosity of the calcaneus of the wearer's foot.
  • the device also includes a second distinct raised area located within a shoe to underlie the metatarsal shafts of the wearer's foot, with its apex under or between the second and third metatarsal shafts.
  • references to narrow and wide mean the side-to-side dimensions of the shoe or device while references to raised, lowered, thinness, depth or height mean the vertical dimensions of the device.
  • FIGS. 2-5 illustrate an exemplary embodiment of a device 100 consistent with the invention.
  • the device 100 is fonned from a flexible material, e.g., molded flexible plastic or rubber, such as polyurethane, thermoplastic elastomer (TPE), thermoplastic rubber (TPR), polyvinyl chloride (PVC) or ethylene vinyl acetate (EVA).
  • the raised areas of the device have a Shore A hardness between about 15 and 70, and preferably have a Shore A hardness of about 20 to 50, and most preferably about 35.
  • the entire device preferably but not necessarily is of the same hardness.
  • the device 100 has a forward region 1 10 and a rear region 120.
  • the device includes three raised areas 130, 135 and 140.
  • Raised areas 130 and 135, located in the rear region, are generally crescent-shaped and positioned in a shoe to underlie the area immediately in front of the tuberosity 23 of the heel bone or calcaneus 22 of the wearer's foot.
  • the crescent-shaped raised areas 130 and 135 rise from depressions as will be described below found in the heel portion of the device so that the crescents are oriented as shown in FIGS. 2-5.
  • the device includes a lop sided generally cardioid shaped depression including a first depressed area 136 located directly under the lateral tuberosity of the wearer’s calcaneal anatomy, and a second depressed area 138 located under the medial tuberosity of the wearer’s calcaneal anatomy.
  • the base level of depressed area 136 under the lateral tuberosity is slightly higher, typically about 0.1-3 mm higher, preferably about 0.1-2 mm higher, most preferably about 0.3 mm higher, over the base level of depressed area 138 under the medial tuberosity to
  • Depressed area 138 under the medial tuberosity is 2-5 times larger in plan, preferably 2-4 times larger, more preferably 2 1 ⁇ 2 -3 times larger, most preferably about 2.7 times larger in plan, than the area 136 under the lateral tuberosity. Both depressed areas 136 and 138 are generally ellipsoid in shape.
  • first and second depressed areas 136, 138 can be described as first and second depressed areas defined by the Boolean subtraction of the larger of two 3D ellipses from the smaller, the larger ellipse being 40 to 120 percent larger in volume than the smaller ellipse, preferably 60 to 100 percent larger in volume, more preferably about 80 percent larger in volume than the smaller ellipse with larger skewed to the medial side and the smaller skewed to the lateral, with the intersecting volume being 10 to 30 percent of the larger, more preferably about 20 of the larger, with the longer axis of both aligned with the heel/toe direction of the device, and with the medial/lateral axis of the smaller skewed slightly to the rear of the larger, and both rotated such that the toe-ward end is raised 1 to 10 degrees, preferably 3 to 8 degrees, more preferably about 5 degrees relative to the heel-ward end, such depressions being configured to accommodate respectively the lateral and medial tuberosities of the wearer’
  • a third raised area 140 is located in the forward region of the device which is canted to the medial side, and is positioned to underlie the metatarsal shafts 47 of the wearer's foot. Optimally, the apex of the third raised area 140 is located under or between the second and third metatarsal shafts.
  • the third raised area 140 comprises a generally rounded or ellipsoid shape that rises to an apex in the toeward direction of the metatarsal heads.
  • the forward raised area 140 preferably has a thinner aspect located towards the heel end and a wider aspect located towards the toeward end. Since the device includes a lop-sided section under the heel region, and the toeward region is canted to the medial side, the device is left/right shoe specific, the left and right pieces being mirror images of one another.
  • the apices of raised areas 130, 135 and 140 are 2 to 8 mm higher relative to the bottom surface of the device and, preferably 2 to 6 mm higher, more preferably 2.5 to 4.5 mm, most preferably about 3.8 mm higher relative to the bottom surface of the device measured immediately forward of the forward raised area under the metatarsal shafts and immediately rearward of the raised areas under the calcaneus.
  • each apex 130, 135 and 140 is approximately 3.3 mm high for a US size 1 women's shoe, approximately 3.9 mm higher for a US size 6 woman’s shoe, and
  • each apex 130, 135 and 140 is higher for higher heeled shoes and lower for lower heeled shoes. Also, each apex 130, 135 and 140 preferably is lower for smaller sized shoes and higher for larger sized shoes.
  • the size of raised areas 130, 135 and 140 also changes somewhat with shoe size with the size of the area increasing with increasing length and/or width.
  • the size of the raised areas both in terms of height and area is scaled to the shoe size with normal rules of scaling applying as the length and width of the shoes increases with increasing size.
  • the critical factor on the comfort achieved with the device of the invention appears to be the location of the two raised regions— under the calcaneus but forward of the tuberosity of the calcaneus, and under the middle metatarsals but rearward of the heads of the metatarsals, and the size and location of the depressed areas under the calcaneus tuberosity.
  • the depressed areas 136 and 138 under the calcaneus tuberosity may be made essentially the same for all foot sizes provided the area under the medial tuberosity 138 is far larger than under the lateral tuberosity 136, and the base level of the depressed area 136 under the lateral tuberosity is somewhat higher over the base level of the depressed area 137 under the medial tuberosity.
  • the proximal and the distal ends of the device, i.e., underlying the back of the heel and forward of raised area 140 are thin relative to the raised areas.
  • these proximal and distal ends have a depth that results in their being flush with the upper surface of the shoe upper where it wraps around the upper surface of the insole board.
  • the ends are also shaped to conform somewhat to the area extending between the edges of the upper that lie on the surface of the insole board.
  • the thickness of these ends of the device typically will be from 0.2 to 1 mm thick.
  • the bridging or middle section or area of the device between the first raised areas 130, 135 and the second raised area 140 is also preferably thin relative to the raised areas.
  • the thickness of this area is in part dictated by issues of structural integrity during the manufacturing process for the shoe. With stronger materials this area can, and ideally should be, no more than a millimeter thick.
  • this bridging or middle section or area must be thinner than the raised areas 130, 135 and 140, and preferably is no more than about 4 millimeters thick, more preferably about 2 mm thick for a US size 6 women's shoe and about 2 1/2 mm for a US size 10 women's shoe (or their equivalents in other size scales).
  • This thinner bridging or middle region allows the device to more easily conform to the shape of the insole.
  • the minimum width of this bridging or middle region is also dictated by manufacturing considerations with the optimal minimum width being that which will maintain the geometry of the forward and rear regions relative to each other. The maximum width is that which will not interfere with the appearance of the shoe.
  • this bridging or middle region is narrower than the sock liner 54 and, like the ends of the device, the bridging or middle region sits flush with the upper surface of the upper that wraps around the insole board and generally conforms to the shape of the area created by the edges of the upper on the insole board.
  • the upper surface of the device is smoothly contoured, with no sharp transitions or edges that could contribute to discomfort.
  • the transition between the apices of the raised areas and the surrounding areas of the device are filleted and smooth.
  • the invention contemplates a single flexible device into which both raised areas are incorporated.
  • the invention also contemplates two separate flexible devices, a heel area element 300 and a metatarsal area element 302, which together achieve the advantages of the invention.
  • FIGs. 6A and 6B shows an alternative embodiment of the device in which the metatarsal element 302 has a raised area 304 similar to raised area 140 of the FIG 2A/2B embodiment, and the heel area element has depressed areas 306/308 and raised areas 310, 312, similar to depressed 138/136 and 130/135 of the FIG 2A/2B embodiment.
  • the heel piece, and the metatarsal piece are individually positioned in a shoe.
  • the region between the two pieces of the device is integral with the insole board or the sock liner and need not be flexible.
  • a further manufacturing alternative is to incorporate one or both of the heel portion and metatarsal piece into the insole board.
  • Yet a further alternative is to incorporate one or both of the heel portion and the metatarsal piece into a sock liner.
  • a single device having the separate raised areas joined by a bridging or middle section is preferred.
  • the portions of the device that are mounted on the insole board of a shoe must be flexible enough to readily conform to the upper surface of the insole board on which they are mounted.
  • the invention also contemplates a single flexible device which embodies one or the other of the above raised areas and which is used in conjunction with a shoe or shoe part which incorporates the other raised area.
  • the invention also contemplates using only the heel area element 300 as a heel cup. This latter embodiment has particular utility in sport shoes, particularly where the wearer is subjected to a lot of lateral movement, such as tennis and basketball.
  • the invention contemplates shoes into which any of the foregoing described embodiments of the device has been incorporated.
  • the device 100 preferably is positioned in shoe 50 during the manufacturing process. Accordingly, this invention also provides a method of constructing a heeled shoe
  • a flexible device comprising: (a) assembling an upper, insole board and sole; (b) mounting above the insole board a flexible device comprising (i) a rear region positioned with its depressed areas to underlie the calcaneus tuberosity of the wearer; (ii) a forward region positioned to underlie at least a portion of the shafts of the metatarsals, the upper surface of said forward region having a portion which gradually rises to an apex positioned to underlie the shafts of the second and third metatarsals from a position behind the heads of metatarsals; (iii) a bridging or middle region which connects said forward and rear regions; and (iv) the upper surface of said device transitioning smoothly between all regions; and (c) affixing a sock liner to the insole board and to the device.
  • the device 100 is positioned on the insole board 53 of the shoe 50, and then a sock liner 54 is adhered to the top of the insole board and the device 100. It is also contemplated that the device 100 may be installed post manufacture or post-sale in certain embodiments, e.g., by being placed on the insole board 53 or sock liner 54 post-manufacture.
  • the device 100 may be attached to the insole board 53 and the sock liner 54 through means such as glue, pressure-sensitive adhesive (PSA), hook and loop fasteners, or mechanical fasteners such as nails or staples. In general, any means that will cause the raised areas of the device to remain in position may be used to position the device in the shoe.
  • Device 100 also need not be separate from the sock liner but may be integral with the sock liner.
  • the device may be provided with markings or structures that orient the device. These markings may be arrows or the device itself may be configured with points which serve to orient the device.
  • the device of the present invention provides unexpected advantages over the prior art. For example, although the device is only a few millimeters thick, the device causes the weight borne by the foot to be significantly shifted towards the heel and off the ball of the foot. As a result, the device reduces toe pain and general lower back pain associated with the wearing of heeled shoes. Thus, foot pain, endemic with the use of heeled shoes including specifically high-heeled shoes, is reduced or eliminated using the instant device. The device also improves ankle stability.
  • this device does not require any change in the lasts used to manufacture conventional shoes; rather, the device can simply be placed into the conventionally constructed shoe either by the manufacturer or by the wearer. Nor does this device significantly affect the fit of the shoe as it does not intrade substantially into the shoe and thereby diminish the space available for the foot.

Abstract

L'invention concerne un dispositif destiné à être inséré dans une chaussure à talon haut, ayant une région arrière positionnée de sorte à être sous-jacente à une tubérosité du calcanéus de la personne portant la chaussure, la région arrière étant formée pour recevoir une surface plane de la tubérosité du calcanéus de la personne portant la chaussure, une surface supérieure de ladite région arrière ayant une partie relevée sous-jacente à une zone du calcanéus de la personne portant la chaussure immédiatement à l'avant de la tubérosité du calcanéus de la personne portant la chaussure ; et une région avant positionnée de sorte à être sous-jacente à au moins une partie des corps des métatarsiens de la personne portant la chaussure, la seconde surface supérieure de ladite région avant présentant une partie relevée qui s'élève progressivement à une position de sommet pour être sous-jacente aux corps des deuxième et troisième métatarsiens de la personne portant la chaussure.
PCT/US2018/062086 2017-11-21 2018-11-20 Dispositif pour chaussures à talons hauts et procédé de fabrication d'une chaussure à talon haut WO2019104080A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP18881596.3A EP3675671A4 (fr) 2017-11-21 2018-11-20 Dispositif pour chaussures à talons hauts et procédé de fabrication d'une chaussure à talon haut
PE2020000400A PE20201451A1 (es) 2017-11-21 2018-11-20 Dispositivo para zapatos de tacon alto y metodo de construccion de un zapato de tacon alto
CA3083245A CA3083245A1 (fr) 2017-11-21 2018-11-20 Dispositif pour chaussures a talons hauts et procede de fabrication d'une chaussure a talon haut
AU2018370855A AU2018370855B2 (en) 2017-11-21 2018-11-20 Device for high-heeled shoes and method of constructing a high-heeled shoe
JP2020539044A JP2021504067A (ja) 2017-11-21 2018-11-20 ハイヒール靴用装置およびハイヒール靴を製作する方法
CN201880021501.4A CN110505815A (zh) 2017-11-21 2018-11-20 用于高跟鞋的装置和构造高跟鞋的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/819,951 2017-11-21
US15/819,951 US10477915B2 (en) 2016-03-01 2017-11-21 Device for high-heeled shoes and method of constructing a high-heeled shoe

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WO2019104080A1 true WO2019104080A1 (fr) 2019-05-31

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EP (1) EP3675671A4 (fr)
JP (1) JP2021504067A (fr)
CN (1) CN110505815A (fr)
AU (1) AU2018370855B2 (fr)
CA (1) CA3083245A1 (fr)
CL (1) CL2020000923A1 (fr)
PE (1) PE20201451A1 (fr)
WO (1) WO2019104080A1 (fr)

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US2826834A (en) * 1957-04-16 1958-03-18 Raymond R Ratcliff Cushion for insoles
US4955148A (en) * 1989-04-14 1990-09-11 Rigoberto Padilla Foot support assembly
US5787610A (en) * 1996-05-29 1998-08-04 Jeffrey S. Brooks, Inc. Footwear
US20170251749A1 (en) * 2016-03-01 2017-09-07 Hbn Shoe, Llc Device for high-heeled shoes and method of constructing a high-heeled shoe
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Also Published As

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EP3675671A4 (fr) 2021-06-16
AU2018370855B2 (en) 2020-05-28
AU2018370855A1 (en) 2020-05-21
EP3675671A1 (fr) 2020-07-08
JP2021504067A (ja) 2021-02-15
CA3083245A1 (fr) 2019-05-31
CN110505815A (zh) 2019-11-26
CL2020000923A1 (es) 2020-08-07
PE20201451A1 (es) 2020-12-15

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