US20220248800A1 - Shoe Sole And Support Elements - Google Patents

Shoe Sole And Support Elements Download PDF

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Publication number
US20220248800A1
US20220248800A1 US17/618,613 US202017618613A US2022248800A1 US 20220248800 A1 US20220248800 A1 US 20220248800A1 US 202017618613 A US202017618613 A US 202017618613A US 2022248800 A1 US2022248800 A1 US 2022248800A1
Authority
US
United States
Prior art keywords
support elements
cavities
support
shoe
shoe sole
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.)
Pending
Application number
US17/618,613
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English (en)
Inventor
Bodo Lambertz
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.)
X Technology Swiss GmbH
Original Assignee
X Technology Swiss GmbH
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 CH00799/19A external-priority patent/CH716312A1/de
Application filed by X Technology Swiss GmbH filed Critical X Technology Swiss GmbH
Assigned to X-TECHNOLOGY SWISS GMBH reassignment X-TECHNOLOGY SWISS GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LAMBERTZ, BODO
Publication of US20220248800A1 publication Critical patent/US20220248800A1/en
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/181—Resiliency achieved by the structure of the sole
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/12—Soles with several layers of different materials
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B1/00—Footwear characterised by the material
    • A43B1/0009—Footwear characterised by the material made at least partially of alveolar or honeycomb material
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/12—Soles with several layers of different materials
    • A43B13/125—Soles with several layers of different materials characterised by the midsole or middle layer
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/12—Soles with several layers of different materials
    • A43B13/125—Soles with several layers of different materials characterised by the midsole or middle layer
    • A43B13/127—Soles with several layers of different materials characterised by the midsole or middle layer the midsole being multilayer
    • 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
    • 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
    • A43B13/141—Soles; Sole-and-heel integral units characterised by the constructive form with a part of the sole being flexible, e.g. permitting articulation or torsion
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/24—Collapsible or convertible
    • A43B3/246—Collapsible or convertible characterised by the sole
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1455—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties
    • A43B7/1463—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties with removable pads to allow custom fit
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1455—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties
    • A43B7/1464—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties with adjustable pads to allow custom fit
    • 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
    • A43B13/188—Differential cushioning regions
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes

Definitions

  • the present invention describes a shoe sole comprising an outsole layer and a support layer in a region between a heel area and a shoe toe, and a plurality of support elements.
  • DE102013202306 discloses a shoe with a shoe sole that ensures increased rigidity, whereby the damping properties of the shoe sole are also improved compared to the prior art.
  • the shoe soles are made of ethylene vinyl acetate (EVA), thermoplastic polyurethane (TPU), rubber, polypropylene (PP) or polystyrene (PS) or mixtures thereof. Materials with high damping properties and low weight are preferred.
  • EVA ethylene vinyl acetate
  • TPU thermoplastic polyurethane
  • PP polypropylene
  • PS polystyrene
  • reinforcing elements are partially cast into the sole body over an area, which is preferably carried out in the area of the heel, where higher damping effects are desired.
  • the reinforcing elements can also be bonded to the underside of the shoe sole, outside the shoe sole in selected areas, for example in the area of the midfoot. Reinforcement takes place during the manufacture of the shoe or shoe sole and is adjusted by the manufacturer to known requirements for each pair of shoes, calculated on the shoe size. Such reinforcement can help to relieve the musculoskeletal system (e.g., foot, ankle, knee, tendons, ligaments, etc.) for example, during jogging on uneven terrain or in case of overpronation of the foot. Locally or areally molded-in reinforcing elements and other elements that are fixedly introduced into a shoe sole during the manufacturing process are evident from U.S. Pat. No. 9,930,928.
  • a shoe bottom or multi-layer shoe sole is designed with a central support layer, wherein the central support layer is shaped such that different areas have different predetermined damping properties. These damping areas are once adjusted to the needs of the shoe wearer and thus permanent fixed damping properties of the shoe sole are achieved by the support layer.
  • the reinforcing elements once inseparably bonded or molded into the sole of the shoe, remain in this predetermined location.
  • this may not be sufficient, even though the user chooses the appropriate shoe size with the corresponding sole size.
  • the result is reinforced shoe soles that, although the shoe upper fits the user exactly, deliver their damping effects in misplaced locations.
  • the present invention has stated the object of creating shoes or shoe soles that allow a locally defined mechanical damping that can be optimized and changed individually for each user.
  • the damping properties of different areas of the shoe bottom should be easy to adjust independently to the needs of the user, even by the user himself.
  • the adjustment must be achievable without the use of special tools and must also be reversible, so that the shoe sole can also be optimized for different applications.
  • the present invention relates to a shoe sole with a support layer and matching, attachable support elements, according to the features of claim 1 a set of a shoe sole together with such support elements is claimed, from which the user can create a finished shoe sole with individually desired; changeable damping.
  • FIG. 1 shows an exploded view of a set according to the invention, comprising a shoe with interchangeable support elements
  • FIG. 2 shows the set of FIG. 1 in the finished state, with the support elements inserted
  • FIGS. 3 a to 3 d show sections through different support layers or at different heights or planes through support layers, wherein different support elements can be inserted and removed in different directions relative to the longitudinal sole axis or transverse direction.
  • FIGS. 1 and 2 show a set comprising a shoe 1 with a shoe upper 2 and a shoe bottom, which is referred to as a shoe sole 3 , which is designed here with multiple layers. The different layers can also be combined into one layer, printed or encapsulated. Since the connection between the shoe upper 2 and the shoe sole 3 is known and is not the core of the invention, no further details are given.
  • the shoe sole 3 extends from a shoe toe S to the heel area F.
  • the set also includes support elements 4 , which will be discussed later.
  • the shoe sole 3 Seen from the side remote from the shoe upper 2 , the shoe sole 3 comprises here an outsole layer 30 , a support layer 31 and a cover sole layer 32 , on which an inner sole not shown rests.
  • the inner sole is usually arranged on the cover sole layer 32 inside the shoe upper 2 and is usually replaceable.
  • the other layers are joined together during manufacture and then the shoe upper 2 is fixed to them.
  • the layers of the shoe sole 3 are made of plastics, some of which are cast in foamed form. However, additive manufacturing techniques are also available, especially with 3 D printers.
  • the outsole layer 30 has a profile 300 , as shown in FIG. 2 . It increases the slip resistance of the shoe sole 3 .
  • the support layer 31 is molded here as a structure made of plastic.
  • the cover sole layer 32 is an optional shoe sole layer, which is intended to prevent the user from getting pressure points on the sole of the foot. However, depending on the shape of the surface of the support layer 31 facing the shoe upper 2 , the cover sole layer 32 may be dispensed with.
  • the insole is a user-selectable and replaceable sole layer that may include synthetic or natural fibers or leather like the other sole layer.
  • the support layer 31 is essential here, while the other layers may even be omitted or inseparably connected or formed on.
  • the support layer 31 is made of ethylene vinyl acetate (EVA), thermoplastic polyurethane (TPU), rubber, polypropylene (PP), or polystyrene (PS), or as a blend of several materials mentioned herein.
  • EVA ethylene vinyl acetate
  • TPU thermoplastic polyurethane
  • PP polypropylene
  • PS polystyrene
  • the support layer 31 has a structure with a plurality of cavities 310 .
  • the cavities 310 are configured to extend linearly or curvedly in one direction to form a structure in the support layer 31 .
  • the cavities 310 are spaced apart from each other, preferably parallel to each other and/or at regular intervals. An optimum damping effect is achieved when several cavities 310 run regularly next to each other and sometimes also on top of each other.
  • the cavities 310 have identical, constant cavity cross-sectional areas, wherein the lengths of the cavities 310 are greater than their widths and heights.
  • at least one end face of each cavity 310 is recessed, whereby a structure of cavities 310 open on at least one side is created in the support layer 31 .
  • both end faces of each cavity 310 are recessed, whereby continuous channels are formed.
  • the support elements 4 can be inserted into the cavities 310 of the support layer 31 , as shown in FIG. 1 .
  • the support elements 4 are designed as rods and have identical, constant cross-sectional areas; the same as the cavities 310 . This allows them to be positively insertable and removable into the cavities 310 .
  • the support elements 4 are present in different strengths, so that the damping of the shoe sole 3 can be changed by the choice of the support elements 4 introduced.
  • the strength determines the damping effect when a user occurs.
  • Strength is therefore understood here as the compression resistance that can be measured when a transverse force is applied to the rod-shaped support elements.
  • these cross-sectional areas are circular, oval, triangular, pentagonal, or hexagonal.
  • honeycomb cross-sectional areas are advantageous, as shown in FIGS. 1 and 2 , because they can be arranged close to each other.
  • the support elements 4 are designed internally without structure from a homogeneous mass so that their cross-sections are uniformly filled. Twisting of the support elements 4 during insertion is thus irrelevant for damping. In addition, such support elements 4 can be manufactured at low cost.
  • the support elements 4 can be reversibly inserted and removed into the provided cavities 310 in the support layer 31 . In FIG. 1 they are shown partially inserted, in FIG. 2 they are shown fully inserted.
  • the cavities 310 are preferably formed in different planes of the support layer 31 , as shown in FIGS. 1 and 2 . They are partially superimposed so that some lines of force flow pass through two or more cavities 310 when the shoe sole 3 is loaded by a user. This gives the user a greater opportunity to optimally adjust the damping: the more support elements 4 a force flow line crosses while running, the softer the tread is cushioned there. In the heel area, where the greatest forces and impacts on the foot occur, there are accordingly the most planes arranged one above the other, in which there are cavities 310 with support elements 4 .
  • the support elements 4 which here are in the form of rods, must be cut to the lengths of the cavities 310 so that they do not or only minimally protrude from the support layer 31 . They should also not be too short so that, if possible, dirt does not accumulate in the free areas of the cavities 310 . Therefore, the support elements 4 are configured to be cut to length by a user so that they end at the end face of the cavity 310 .
  • the set also includes a simple, suitable tool with which the cutting to length can be carried out safely and cleanly. This can be a knife or scissors, which are usually present in every household.
  • the strength of the support elements 4 must be designed accordingly, or nominal cutting points can be provided at which the shortening can be carried out more easily, e.g., by twisting off, shearing or by cutting off.
  • the support elements 4 In order to achieve a damping effect, the support elements 4 must have suitable mechanical properties, wherein the stiffness of the support elements 4 is of particular interest. Synthetic polymers are preferably used as the material for the support elements 4 , whereby thermoplastics, thermosets or elastomers can be used. The flexural rigidity of the support elements 4 must be such that they can be inserted into the elongated cavities 310 . By means of additives, such as plasticizers, suitable support elements 4 can be produced.
  • the support elements 4 can be in the form of rods that are as long as possible and can be cut to length by the user as required. Therefore, there must be at least one support element 4 of each strength. Since both shoes are usually equipped in the same way, it makes sense to provide at least two support elements 4 of each strength in the set.
  • the cavities 310 in the shoe sole 3 can extend in different directions. On the one hand, they can run in the direction Q, across the direction of travel L and horizontally. In FIG. 3 a , the support elements 4 are shown laterally before being inserted into the corresponding cavities 310 .
  • FIG. 3 b further support elements 4 are additionally shown in the heel area, which can be inserted into cavities 310 that extend in the running direction L.
  • FIG. 3 c shows that cavities 310 are configured in different directions in different planes that are substantially parallel to each other and to the substrate (horizontal): planes with cavities 310 in running direction L alternate with planes with cavities 310 transverse to running direction Q.
  • the arrows indicate the insertion directions.
  • the support elements 4 lie only inserted and thus positively connected held in the elongated cavities 310 . Casting or gluing is not necessary. Due to the positive connection, the support elements 4 are adequately secured.
  • the support elements 4 are made of materials of varying hardness, wherein plastics and plastic composite materials are used.
  • the cavities 310 can be linear or curved, i.e., in this case wave-like or s-shaped along their length or more U-shaped. These curved cavities 310 can also be oriented at different angles to the longitudinal sole axis L or transverse direction Q, but remain in a horizontal plane that extends substantially parallel to the subgrade and thus normal to the force flow planes. Here, too, several vertically offset planes can be provided in which cavities 310 are formed.
  • the support elements 4 are inserted into the elongated cavities 310 in the direction of the arrow. In the corrugated embodiment, the support elements 4 may still be twisted, i.e., rotated or warped.
  • the set may comprise a tubular thin stocking of sufficient length. Before insertion, the support element 4 is wrapped with this stocking, which protrudes over the support element 4 on at least one side. At this end, the stocking is pulled through the cavity 310 , wherein its other end is at the same time held. This stretches the support element 4 and narrows its cross-section, preventing jamming. The stocking is then cut off.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Public Health (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
US17/618,613 2019-06-13 2020-06-12 Shoe Sole And Support Elements Pending US20220248800A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CH00799/19A CH716312A1 (de) 2019-06-13 2019-06-13 Schuhsohle und Stützelemente.
CH00799/19 2019-06-13
CH13792019 2019-10-31
CH01379/19 2019-10-31
PCT/EP2020/066339 WO2020249754A1 (de) 2019-06-13 2020-06-12 Schuhsohle und stützelemente

Publications (1)

Publication Number Publication Date
US20220248800A1 true US20220248800A1 (en) 2022-08-11

Family

ID=71094360

Family Applications (1)

Application Number Title Priority Date Filing Date
US17/618,613 Pending US20220248800A1 (en) 2019-06-13 2020-06-12 Shoe Sole And Support Elements

Country Status (5)

Country Link
US (1) US20220248800A1 (zh)
EP (1) EP3982782A1 (zh)
JP (1) JP2022536727A (zh)
CN (1) CN112075719A (zh)
WO (1) WO2020249754A1 (zh)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3785646A (en) * 1973-04-09 1974-01-15 S Ruskin Exercising device
US6502331B2 (en) * 1999-04-09 2003-01-07 William J. Hines Athletic training shoe inserts and method of fabrication
US20060010720A1 (en) * 2002-08-07 2006-01-19 Hee-Suk Kim Inner sole adjustable in weight
US7363732B1 (en) * 2004-12-14 2008-04-29 Tony Sergio Hernandez Weight sporters athletic shoe
US20140033574A1 (en) * 2011-04-19 2014-02-06 Guangzhou Zengwei Rubber Co., Ltd. Multifunctional gravity body shaping sole and shoes

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2904540C2 (de) * 1979-02-07 1990-06-21 Adidas Sportschuhfabriken Adi Dassler Kg, 8522 Herzogenaurach Sohle für Sportschuhe
DE3430845A1 (de) * 1983-12-09 1985-07-04 adidas Sportschuhfabriken Adi Dassler Stiftung & Co KG, 8522 Herzogenaurach Laufsohle fuer schuhe, insbesondere sportschuhe mit einstellbarer fersendaempfung
US5174049A (en) * 1989-06-12 1992-12-29 Tretorn Ab Shoe soles having a honeycomb insert and shoes, particularly athletic or rehabilitative shoes, utilizing same
US6983553B2 (en) * 2002-05-13 2006-01-10 Adidas International Marketing B.V. Shoe with tunable cushioning system
DE20320091U1 (de) * 2003-12-23 2005-05-12 Puma Aktiengesellschaft Rudolf Dassler Sport Schuh
CN102160701B (zh) * 2011-04-17 2012-08-08 茂泰(福建)鞋材有限公司 一种减震鞋底
US9468251B2 (en) 2012-05-30 2016-10-18 Nike, Inc. Sole assembly including a central support structure for an article of footwear
DE102013202306B4 (de) 2013-02-13 2014-12-18 Adidas Ag Sohle für einen Schuh
US9930928B2 (en) 2013-02-13 2018-04-03 Adidas Ag Sole for a shoe
US20150272272A1 (en) * 2014-03-27 2015-10-01 Chinook Asia Llc Footwear cushioning system
CN107242642A (zh) * 2017-08-07 2017-10-13 三六度(中国)有限公司 一种减震部件、减震鞋底及减震鞋

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3785646A (en) * 1973-04-09 1974-01-15 S Ruskin Exercising device
US6502331B2 (en) * 1999-04-09 2003-01-07 William J. Hines Athletic training shoe inserts and method of fabrication
US20060010720A1 (en) * 2002-08-07 2006-01-19 Hee-Suk Kim Inner sole adjustable in weight
US7337562B2 (en) * 2002-08-07 2008-03-04 Hee-Suk Kim Inner sole adjustable in weight
US7363732B1 (en) * 2004-12-14 2008-04-29 Tony Sergio Hernandez Weight sporters athletic shoe
US20140033574A1 (en) * 2011-04-19 2014-02-06 Guangzhou Zengwei Rubber Co., Ltd. Multifunctional gravity body shaping sole and shoes

Also Published As

Publication number Publication date
WO2020249754A1 (de) 2020-12-17
JP2022536727A (ja) 2022-08-18
EP3982782A1 (de) 2022-04-20
CN112075719A (zh) 2020-12-15

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