IT201800005052A1 - Mobile midsole, which facilitates forward movement on the sagittal plane and absorbs the impact with the ground, with air bearings. - Google Patents

Mobile midsole, which facilitates forward movement on the sagittal plane and absorbs the impact with the ground, with air bearings. Download PDF

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Publication number
IT201800005052A1
IT201800005052A1 IT102018000005052A IT201800005052A IT201800005052A1 IT 201800005052 A1 IT201800005052 A1 IT 201800005052A1 IT 102018000005052 A IT102018000005052 A IT 102018000005052A IT 201800005052 A IT201800005052 A IT 201800005052A IT 201800005052 A1 IT201800005052 A1 IT 201800005052A1
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IT
Italy
Prior art keywords
midsole
mobile
walking
semi
rectangular
Prior art date
Application number
IT102018000005052A
Other languages
Italian (it)
Inventor
Stefano Francesco Di
Original Assignee
Stefano Francesco Di
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 Stefano Francesco Di filed Critical Stefano Francesco Di
Priority to IT102018000005052A priority Critical patent/IT201800005052A1/en
Publication of IT201800005052A1 publication Critical patent/IT201800005052A1/en

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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
    • A43B17/03—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient filled with a gas, e.g. air
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B1/00—Footwear characterised by the material
    • A43B1/0018—Footwear characterised by the material made at least partially of flexible, bellow-like shaped material
    • 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
    • A43B13/16—Pieced soles
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B9/00—Footwear characterised by the assembling of the individual parts
    • 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
    • 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

Description

DESCRIZIONE DESCRIPTION

TITOLO TITLE

Intersuola mobile, che facilita il movimento in avanti sul piano sagittale e ammortizza l’impatto con il suolo, con cuscinetti ad aria. Mobile midsole, which facilitates forward movement on the sagittal plane and absorbs the impact with the ground, with air bearings.

SETTORE TECNICO TECHNICAL FIELD

La presente invenzione si riferisce al campo delle calzature, nello specifico per le calzature ortopediche. The present invention relates to the field of footwear, specifically for orthopedic footwear.

STATO DELLA TECNICA STATE OF THE TECHNIQUE

A differenza delle intersuole per calzature convenzionali, come quelle delle scarpe sportive o simili, oltre ad ammortizzare l’impatto con il suolo, la presente invenzione, aggiunge un centro di rotazione supplementare, che ha la caratteristica di supplire al movimento rotatorio dell’articolazione della caviglia, per chi ha l’artrodesi o movimento limitato dell’articolazione della caviglia, facilitando il movimento sagittale in avanti e permette alla persona di camminare con un andatura più corretta, corre e affini, compensando la flessione dorsale della caviglia bloccata o limitata nel movimento. Unlike midsoles for conventional footwear, such as those for sports shoes or the like, in addition to cushioning the impact with the ground, the present invention adds an additional center of rotation, which has the characteristic of compensating for the rotational movement of the joint of the ankle, for those with arthrodesis or limited movement of the ankle joint, facilitating forward sagittal movement and allowing the person to walk with a more correct gait, runs and the like, compensating for the dorsal flexion of the ankle blocked or limited in movement .

Inoltre, i vantaggi della presente invenzione sono quelli di ridurre lo sforzo alle articolazioni minori del piede, tarsi e metatarsi, in particolare alle persone che hanno problemi all’articolazione della caviglia, come chi ha l’artrodesi o movimento limitato all’articolazione della caviglia. Furthermore, the advantages of the present invention are to reduce the strain on the minor joints of the foot, tarsus and metatarsus, in particular for people who have problems with the ankle joint, such as those who have arthrodesis or movement limited to the ankle joint. .

La presente invenzione può essere inserita solo nella scarpa dove l’articolazione della caviglia è limitata o bloccata. The present invention can be inserted only in the shoe where the ankle joint is limited or blocked.

Vi è quindi una mancanza di questa invenzione, intersuola mobile, che integra la suddetta funzione. There is therefore a lack of this invention, a movable midsole, which integrates the above function.

Al fine di rendere questa invenzione interessante e stimolare il camminare a chi ha problemi articolari è necessario che la presente invenzione sia di qualità eccellente. In order to make this invention interesting and to stimulate walking for those with joint problems it is necessary that the present invention be of excellent quality.

PRESENTAZIONE DELL’INVENZIONE PRESENTATION OF THE INVENTION

Lo scopo principale della presente invenzione è quello di realizzare una intersuola per calzature che agevola la camminata, per persone con movimento limitato o bloccato dell’articolazione della caviglia, quindi aiutare le persone che vogliono riappropriarsi di un’andatura più corretta nel camminare, nel fare sport, correre e affini, come menzionato nello stato della tecnica, invece di camminare con zoppia. The main purpose of the present invention is to make a midsole for footwear that facilitates walking, for people with limited or blocked movement of the ankle joint, thus helping people who want to regain a more correct gait in walking, in doing sports, running and the like, as mentioned in the state of the art, instead of walking with a limp.

L’intersuola mobile adempie alla sua funzione grazie a tre cuscinetti d’aria, due hanno la funzione di ammortizzare l’impatto con il suolo, la parte inferiore e superiore e l’altro cuscinetto nella parte centrale di sollevarsi e abbassarsi, gonfiandosi e sgonfiandosi. Questi cuscinetti sono uniti in un unico pezzo e sono tenuti in posizione nell’incavo a semi cerchio all’interno della parte superiore e della parte inferiore dell’intersuola. The mobile midsole fulfills its function thanks to three air cushions, two have the function of cushioning the impact with the ground, the lower and upper part and the other cushion in the central part to raise and lower, inflating and deflating . These pads are joined in a single piece and are held in place in the semi-circle hollow inside the upper and lower part of the midsole.

Gli elementi dell’intersuola superiore e inferiore hanno una forma specifica, e insieme al cuscinetto d’aria centrale, permettono alla parte anteriore e posteriore dell’intersuola di abbassarsi e di sollevarsi, così da inserire un centro di rotazione supplementare sul piano sagittale, che supplisce in parte il movimento dell’articolazione della caviglia, guadagnando una certa ampiezza angolare definita. The elements of the upper and lower midsole have a specific shape, and together with the central air cushion, allow the front and back of the midsole to lower and rise, so as to insert an additional center of rotation in the sagittal plane, which it partially compensates for the movement of the ankle joint, gaining a certain defined angular width.

Quando il peso viene portato sulla parte anteriore dell’intersuola, i due cuscinetti d’aria superiore e inferiore ammortizzano l’impatto con il suolo, il cuscinetto d’aria centrale si sgonfia nella parte anteriore, abbassandosi, e si gonfia nella parte posteriore, sollevandosi, rendendo la intersuola cuneiforme. When weight is carried to the front of the midsole, the two upper and lower air cushions cushion the impact with the ground, the center air cushion deflates in the front, lowering, and inflates in the back, lifting up, making the midsole wedge-shaped.

Quando il peso viene portato sulla parte posteriore dell’intersuola, i due cuscinetti d’aria superiore e inferiore ammortizzano l’impatto con il suolo, il cuscinetto d’aria centrale si sgonfia nella parte posteriore, e si gonfia nella parte anteriore, portando la parte superiore dell’intersuola parallelamente al suolo. When weight is carried to the back of the midsole, the two upper and lower air cushions cushion the impact with the ground, the center air cushion deflates in the back, and inflates in the front, bringing the upper part of the midsole parallel to the ground.

Tale scopo viene raggiunto secondo l’invenzione con le caratteristiche specificate nelle rivendicazioni e saranno meglio compresi nella seguente descrizione dettagliata di una forma di realizzazione, con riferimento ai disegni annessi. This object is achieved according to the invention with the characteristics specified in the claims and will be better understood in the following detailed description of an embodiment, with reference to the attached drawings.

I seguenti disegni di realizzazione della presente invenzione sono un esempio indicativo e non limitano i disegni di accompagnamento, in cui come riferimenti possono indicare elementi simili. The following embodiment drawings of the present invention are an indicative example and do not limit the accompanying drawings, in which similar elements can be indicated as references.

BREVE DESCRIZIONE DEI DISEGNI BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 vista laterale della presente invenzione, posizione parallela al suolo. Fig. 1 side view of the present invention, position parallel to the ground.

Fig. 2 vista superiore della parte inferiore dell’intersuola. Fig. 2 top view of the lower part of the midsole.

Fig. 3 vista sezione A-A della parte inferiore dell’intersuola. Fig. 3 A-A section view of the lower part of the midsole.

Fig. 4 vista superiore della parte superiore dell’intersuola. Fig. 4 top view of the upper part of the midsole.

Fig. 5 vista sezione A-A della parte superiore dell’intersuola. Fig. 5 A-A section view of the upper part of the midsole.

Fig. 6 vista laterale cuscinetti, cuscinetto centrale, anteriore gonfia, posteriore sgonfia. Fig. 7 vista laterale cuscinetti, cuscinetto centrale, anteriore sgonfia, posteriore gonfia. Fig. 8 vista superiore del cuscinetto d’aria inferiore. Fig. 6 bearing lateral view, central pad, anterior swollen, posterior deflated. Fig. 7 bearing side view, central pad, deflated anterior, swollen posterior. Fig. 8 top view of the lower air bearing.

Fig. 9 vista superiore del cuscinetto d’aria centrale. Fig. 9 top view of the central air bearing.

Fig. 10 vista superiore del cuscinetto d’aria superiore. Fig. 10 top view of the upper air bearing.

Fig. 11 vista laterale, dettaglio struttura tubolare cuscinetto d’aria inferiore e superiore. Fig. 12 vista sezione B-B della presente invenzione, posizione parallela al suolo. Fig. 11 side view, detail of the lower and upper air bearing tubular structure. Fig. 12 section view B-B of the present invention, position parallel to the ground.

Fig. 13 vista sezione C-C della presente invenzione, posizione parallela al suolo. Fig. 14 vista laterale della linguetta posteriore. Fig. 13 section view C-C of the present invention, position parallel to the ground. Fig. 14 side view of the rear flap.

Fig. 15 vista laterale della linguetta laterale posteriore. Fig. 15 side view of the rear lateral tab.

Fig. 16 vista laterale della linguetta laterale mediana. Fig. 16 lateral view of the median lateral tongue.

Fig. 17 vista laterale della linguetta laterale anteriore. Fig. 17 side view of the front side tab.

Fig. 18 vista laterale della linguetta anteriore. Fig. 18 side view of the anterior tab.

DESCRIZIONE DETTAGLIATA DI UNA FORMA DI REALIZZAZIONE DETAILED DESCRIPTION OF AN EMBODIMENT

Le figure 1-18 mostrano l’intersuola mobile realizzata nella presente invenzione, comprendente intersuola inferiore cuneiforme con sporgenze e incavi rettangolari e a semi cerchio 11, intersuola superiore con sporgenze e incavi rettangolari e a semi cerchio 12, tre cuscinetti d’aria 13-15, linguette perimetrali elastiche 16-20. Figures 1-18 show the movable midsole made in the present invention, comprising wedge-shaped lower midsole with rectangular and half-circle protrusions and grooves 11, upper midsole with rectangular and semi-circle protrusions and grooves 12, three air cushions 13-15, elastic perimeter tabs 16-20.

I cuscinetti d’aria 13-15 sono attaccati insieme mediante una sostanza adesiva, o unico pezzo, ad esempio ricavato mediante un unico processo di stampaggio. The air cushions 13-15 are attached together using an adhesive substance, or a single piece, for example obtained through a single molding process.

Il cuscinetto d’aria 15 nella parte centrale ha la funzione di sollevarsi e abbassarsi, gonfiandosi e sgonfiandosi sia nella parte posteriore che nella parte anteriore. The air cushion 15 in the central part has the function of raising and lowering, inflating and deflating both in the back and in the front.

I due cuscinetti d’aria 13 e 14, posizionati in alto e in basso hanno la funzione di ammortizzare l’impatto con il suolo. The two air cushions 13 and 14, positioned at the top and bottom, have the function of cushioning the impact with the ground.

Questi cuscinetti d’aria 13-15 vengono posizionati a incastro e tenuti in posizione nell’intersuola, mediante l’incavo interno a semi cerchio su tutto il perimetro dell’intersuola inferiore cuneiforme con sporgenze e incavi rettangolari e a semi cerchio 11 e dell’intersuola superiore con sporgenze e incavi rettangolari e a semi cerchio 12 e mediante sostanza adesiva, sia nella parte inferiore che nella parte superiore. These 13-15 air cushions are interlocking and held in place in the midsole, by means of the internal semi-circle recess around the entire perimeter of the lower wedge-shaped midsole with rectangular and 11 semi-circle protrusions and recesses and of the midsole upper with rectangular and semi-circular protrusions and grooves 12 and by means of an adhesive substance, both in the lower part and in the upper part.

I cuscinetti 13 e 14 sono rinforzati all’interno con strutture tubolari, affinché la deformazione sia minima, durante la compressione. Bearings 13 and 14 are internally reinforced with tubular structures, so that deformation is minimal during compression.

Il cuscinetto d’aria 15 ha delle pieghe a ventaglio nel perimetro e permettono di abbassarsi e sollevarsi mantenendo la forma, le stesse pieghe a ventaglio possono essere inserite anche all’interno, affinché la deformazione sia minima, durante il gonfiamento e lo sgonfiamento. The air cushion 15 has fan folds in the perimeter and allow it to lower and rise while maintaining the shape, the same fan folds can also be inserted inside, so that the deformation is minimal, during inflation and deflation.

Le linguette perimetrali elastiche 16-20, vengono inserite negli incavi rettangolari nella parte inferiore dell’intersuola inferiore 11 e nella parte superiore dell’intersuola superiore 12, collegate mediante sostanza adesiva, queste tengono insieme l’intersuola e permettono un certo movimento. The elastic perimeter tabs 16-20 are inserted into the rectangular recesses in the lower part of the lower midsole 11 and in the upper part of the upper midsole 12, connected by means of adhesive, these hold the midsole together and allow a certain movement.

Gli incavi rettangolari 111-115 nella parte inferiore dell’intersuola inferiore 11. The rectangular grooves 111-115 in the lower part of the lower midsole 11.

Gli incavi rettangolari 121-125 nella parte superiore dell’intersuola superiore 12. The rectangular recesses 121-125 in the upper part of the upper midsole 12.

L’incavo a semi cerchio 1111 dell’intersuola inferiore 11. The 1111 semi-circle recess of the lower midsole 11.

L’incavo a semi cerchio 1211 dell’intersuola superiore 12. The 1211 semi-circle recess of the upper midsole 12.

Altro Other

Il battistrada viene collegata alla parte inferiore dell’intersuola 11, mediante sostanza adesiva e tra le due parti può essere inserita una lastra flessibile anti foro, la tomaia viene collegata alla parte superiore dell’intersuola 12, mediante sostanza adesiva. The tread is connected to the lower part of the midsole 11, by means of an adhesive substance and a flexible anti-hole plate can be inserted between the two parts, the upper is connected to the upper part of the midsole 12, by means of an adhesive substance.

Il battistrada può avere le linguette perimetrali elastiche, sopra menzionate ed essere un unico pezzo e avere dei bordi esterni che salgono in alto, in tutto il perimetro dell’intersuola, questo può contenere la parte inferiore dell’intersuola 11, in questo caso la parte dell’intersuola inferiore 11, può essere ridotta solo alla parte cuneiforme posteriore dell’intersuola inferiore 11, cosi da diminuire l’altezza dell’intersuola, e il cuscinetto 13 del può essere modificato adattandolo alla forma nella parte inferiore, al battistrada con bordi e linguette, la base di entrambi vengono collegati direttamente al battistrada, mediante sostanza adesiva. The tread can have the elastic perimeter tabs, mentioned above and be a single piece and have external edges that rise up, around the perimeter of the midsole, this can contain the lower part of the midsole 11, in this case the part of the lower midsole 11, can be reduced only to the rear wedge-shaped part of the lower midsole 11, so as to decrease the height of the midsole, and the pad 13 of the can be modified by adapting it to the shape in the lower part, to the tread with edges and tabs, the base of both are connected directly to the tread, by means of an adhesive substance.

Claims (8)

RIVENDICAZIONI 1. L’intersuola mobile per camminare (1) correre e affini, comprendente: intersuola inferiore cuneiforme con sporgenze e incavi rettangolari e a semi cerchio (11), intersuola superiore con sporgenze e incavi rettangolari e a semi cerchio (12), tre cuscinetti d’aria 13-15, linguette perimetrali elastiche 16-20; caratterizzata dal fatto che il cuscinetto d’aria (15) e le parti dell’intersuola, inferiore (11) e superiore (12), inseriscono un centro di rotazione supplementare sul piano sagittale e ammortizzano i colpi bruschi nell’impatto con il suolo. CLAIMS 1. The mobile midsole for walking (1) running and related, comprising: wedge-shaped lower midsole with rectangular and semi-circle protrusions and grooves (11), upper midsole with rectangular and semi-circle protrusions and grooves (12), three d 'pads air 13-15, elastic perimeter tabs 16-20; characterized by the fact that the air cushion (15) and the parts of the midsole, lower (11) and upper (12), insert an additional center of rotation on the sagittal plane and cushion sudden blows in impact with the ground. 2. L’intersuola mobile per camminare (1), secondo la rivendicazione 1, in cui detti tre cuscinetti d’aria (13-15), formano un pezzo unico, mediante sostanza adesiva, o ad esempio ricavato mediante un unico processo di stampaggio, caratterizzati dal fatto che sono costituiti da un materiale flessibile, elastico e resistente. 2. The mobile midsole for walking (1), according to claim 1, in which said three air cushions (13-15), form a single piece, by means of an adhesive substance, or for example obtained by means of a single molding process , characterized by the fact that they are made of a flexible, elastic and resistant material. 3. L’intersuola mobile per camminare (1), secondo la rivendicazione 1, in cui detta intersuola inferiore cuneiforme con sporgenze e incavi rettangolari e a semi cerchio (11), caratterizzata dal fatto che è costituito da un materiale flessibile, elastico e resistente. 3. The mobile midsole for walking (1), according to claim 1, wherein said lower wedge-shaped midsole with rectangular and semi-circular protrusions and grooves (11), characterized in that it is made of a flexible, elastic and resistant material. 4. L’intersuola mobile per camminare (1), secondo la rivendicazione 1, in cui detta intersuola superiore con sporgenze e incavi rettangolari e a semi cerchio (12), caratterizzata dal fatto che è costituito da un materiale flessibile, elastico e resistente. 4. The mobile midsole for walking (1), according to claim 1, wherein said upper midsole with rectangular and semi-circular protrusions and grooves (12), characterized in that it is made of a flexible, elastic and resistant material. 5. L’intersuola mobile per camminare (1), secondo la rivendicazione 1, in cui dette linguette perimetrali elastiche (16-20), caratterizzate dal fatto che sono costituite da materiale flessibile, elastico e resistente. 5. The mobile midsole for walking (1), according to claim 1, in which said elastic perimeter tabs (16-20), characterized by the fact that they are made of flexible, elastic and resistant material. 6. L’intersuola mobile per camminare (1), secondo la rivendicazione 1, in cui detto cuscinetto d’aria (15), caratterizzato dal fatto che la forma e il gonfiamento e lo sgonfiamento inseriscono un centro di rotazione supplementare sul piano sagittale. 6. The mobile midsole for walking (1), according to claim 1, in which said air cushion (15), characterized in that the shape and the swelling and the deflating insert an additional center of rotation on the sagittal plane. 7. L’intersuola mobile per camminare (1), secondo la rivendicazione 1, in cui dette intersuola inferiore cuneiforme con sporgenze e incavi rettangolari e a semi cerchio (11) e intersuola superiore con sporgenze e incavi rettangolari e a semi cerchio (12), caratterizzate dal fatto che le forme insieme inseriscono un centro di rotazione supplementare sul piano sagittale. The mobile midsole for walking (1), according to claim 1, wherein said wedge-shaped lower midsole with rectangular and semi-circle protrusions and grooves (11) and upper midsole with rectangular and semi-circle protrusions and grooves (12), characterized by the fact that the shapes together insert an additional center of rotation in the sagittal plane. 8. L’intersuola mobile per camminare (1), secondo la rivendicazione 1, in cui detti cuscinetti d’aria (13,14), caratterizzato dal fatto che ammortizzano i colpi bruschi nell’impatto con il suolo. 8. The mobile midsole for walking (1), according to claim 1, in which said air cushions (13,14), characterized in that they cushion sudden blows on impact with the ground.
IT102018000005052A 2018-05-03 2018-05-03 Mobile midsole, which facilitates forward movement on the sagittal plane and absorbs the impact with the ground, with air bearings. IT201800005052A1 (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4918838A (en) * 1988-08-02 1990-04-24 Far East Athletics Ltd. Shoe sole having compressible shock absorbers
JPH10155510A (en) * 1996-11-28 1998-06-16 Setsuko Manabe Shoe sole
US20030072909A1 (en) * 2001-10-11 2003-04-17 Hun-Fa Hung Airbag for shoes
EP1529456A1 (en) * 2003-11-10 2005-05-11 Otto Bock HealthCare GmbH Shoe, in particular orthopaedic shoe, and manufacturing method.
KR100698959B1 (en) * 2006-06-20 2007-03-26 주식회사 닥터 포 닥터 Air circulate type an impact of shock-absorbing sole of shoes
US20100186265A1 (en) * 2009-01-23 2010-07-29 Nike, Inc. Removable Heel Pad for Foot-Receiving Device
CN105520260A (en) * 2016-01-19 2016-04-27 杨忠桃 Corrosion-prevention high-temperature-resistant boosts used in high-risk chemical sites and manufacturing method therefor
US20180077997A1 (en) * 2015-09-24 2018-03-22 Nike, Inc. Particulate foam with other cushioning

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4918838A (en) * 1988-08-02 1990-04-24 Far East Athletics Ltd. Shoe sole having compressible shock absorbers
JPH10155510A (en) * 1996-11-28 1998-06-16 Setsuko Manabe Shoe sole
US20030072909A1 (en) * 2001-10-11 2003-04-17 Hun-Fa Hung Airbag for shoes
EP1529456A1 (en) * 2003-11-10 2005-05-11 Otto Bock HealthCare GmbH Shoe, in particular orthopaedic shoe, and manufacturing method.
KR100698959B1 (en) * 2006-06-20 2007-03-26 주식회사 닥터 포 닥터 Air circulate type an impact of shock-absorbing sole of shoes
US20100186265A1 (en) * 2009-01-23 2010-07-29 Nike, Inc. Removable Heel Pad for Foot-Receiving Device
US20180077997A1 (en) * 2015-09-24 2018-03-22 Nike, Inc. Particulate foam with other cushioning
CN105520260A (en) * 2016-01-19 2016-04-27 杨忠桃 Corrosion-prevention high-temperature-resistant boosts used in high-risk chemical sites and manufacturing method therefor

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