FR2670369A1 - Device for ventilating the feet, by means of the introduction of fresh air, in closed shoes - Google Patents

Device for ventilating the feet, by means of the introduction of fresh air, in closed shoes Download PDF

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Publication number
FR2670369A1
FR2670369A1 FR9015663A FR9015663A FR2670369A1 FR 2670369 A1 FR2670369 A1 FR 2670369A1 FR 9015663 A FR9015663 A FR 9015663A FR 9015663 A FR9015663 A FR 9015663A FR 2670369 A1 FR2670369 A1 FR 2670369A1
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France
Prior art keywords
bellows
valve
air
pipe
fresh air
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Granted
Application number
FR9015663A
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French (fr)
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FR2670369B1 (en
Inventor
Colesnicenco Niculae
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Individual
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Individual
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Priority to FR9015663A priority Critical patent/FR2670369B1/en
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    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/06Footwear with health or hygienic arrangements ventilated

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

The invention relates to a device which produces a cycle of alternating successions of admissions and evacuations of fresh air using the mechanical force of the heel, produced during walking. It is provided with: air filter (1), linking pipe (2), inlet valve (3), bellows (4) equipped with a spring (5), discharge pipe (6), and discharge valve (7). The bellows (4) is subjected by the heel of the user to the intake of fresh air alternating with its discharge, by virtue of the valves (3) and (7) which cause the fresh air to advance inside the shoe. The device is intended for the shoe industry for use in eliminating the unpleasant odour of sweat.

Description

DISPOSITIF POUR L'AERATION DES PIEDS, PAR L INTRODUCTION DE L'AIR ERARS , DANS LES CHIIUSSURES FERMEES.  DEVICE FOR THE AERATION OF FEET, BY THE INTRODUCTION OF AIR ERARS, IN CLOSED CHIIUSSURES.

La présente invention concerne un dispositif conçu pour l'aérage des pieds dans des chaussures fermées. The present invention relates to a device designed for the ventilation of the feet in closed shoes.

Grâce à cette invention on réussit à éliminer totalement le désagrement de la transpiration. With this invention it is possible to completely eliminate the disruption of perspiration.

Au point de vue des possibilités d'aérage , les chaussures , traditionnellement , sont soit découpées soit munies des orifices latérals d'aération ou des pérforations , ces possibilités n'étant pas suffisantes pour supprimer l'indésirable transpiration. From the point of view of the ventilation possibilities, the shoes, traditionally, are either cut out or provided with lateral vents or perforations, these possibilities not being sufficient to suppress undesirable transpiration.

Le dispositif selon cette invention permet de remédier cet inconvénient. The device according to this invention overcomes this disadvantage.

Ce dispositif peut être inclus dans le domaine téchnique de l'industrie du cuir et de la chaussure et,en même temps,il peut faire partie de la production des petites ateliérs. This device can be included in the technical field of the leather and footwear industry and at the same time it can be part of the production of small workshops.

Il est possible soit qu'on incorpore le dispositif dans l'anssamble de la chaussure,soit qu'on le confectionne à part et on l'intr,oduise ulterieurement dans la chaussure traditionnelle. It is possible either to incorporate the device in the shoes of the shoe, or it is made apart and intr, later ulcerieur in the traditional shoe.

Le dispositif selon l'invention comporte les éléments principaux suivants: - un tuyau vertical d'aspiration prévu en haut d'un filtre; - une soupape d'aspiration; - un soufflet pourvu d'un ressort hélicoidal; - un tuyau horizontal d'évacuation muni d'une soupape qui s'ouvre au moment d'arrivée de la valeur de la pression de l'air du tuyau orienté horizontalement jusqu'à la valeur établie par des calculs, ça se passant par augmentation
Selon les modalités particuliéres de la réalisation:
- la soupape d'admission peut faire partie soit du filtre, soit du tuyau d'admission - le tuyau vértical - soit du soufflet de ce dispositif;
- le soufflet peut être pourvu soit de deux ressorts latérals situés sur les deux côtés, la côté gauche et la côté droite, du soufflet, soit avec un ressort hélicoidal,situé centralement.
The device according to the invention comprises the following main elements: a vertical suction pipe provided at the top of a filter; - a suction valve; a bellows provided with a helical spring; - a horizontal evacuation pipe equipped with a valve which opens at the moment of arrival of the value of the air pressure of the horizontally oriented pipe up to the value established by calculations, it is done by increasing
According to the particular modalities of the realization:
- the inlet valve can be part of either the filter, the inlet pipe - the vertical pipe - or the bellows of this device;
- the bellows may be provided with either two lateral springs located on both sides, the left and right sides, of the bellows, or with a helicoidal spring, located centrally.

Les dessins annexés illustrent l'invention selon le mode suivant:
- la figure numéro 1 représente en coupe transversale le filtre du dispositif selon l'invention;
- la figure numéro 2 représente en coupe vérticale le tuyau d'aspiration et la soupape d'admission du dispositif selon l'invention;
- la figure numero 3 représente en coupe transversale le tuyau d'évacuation avec la soupape laquelle fonctionne à une pression constante et avant-détérminée, représenté avec les orifices d'évacuation de l'air de ventilation;
- la figure numéro 4 représente en coupe transversale le soufflet avec le ressort hélicoidal, à l'intérieur,mis en position centrale; - la figure numéro 5 représente dispositif désassemblé
- la figure numéro 6 représente en coupe transversale le
dspositif selon l'invention;;
- la figure numero 7 représente le dispositif selon l'invention vue d'en haut;
- la figure numero 8 représente la semelle en état de repos;
- la figure numero,9 représente la semelle tensionée par
le talon.
The accompanying drawings illustrate the invention according to the following mode:
FIG. 1 shows in cross-section the filter of the device according to the invention;
FIG. 2 is a cross-sectional view of the suction pipe and the inlet valve of the device according to the invention;
FIG. 3 shows in cross-section the discharge pipe with the valve, which operates at a constant and pre-determined pressure, represented with the ventilation air outlet orifices;
- Figure 4 shows in cross section the bellows with the coil spring, inside, placed in the central position; - figure 5 represents disassembled device
FIG. 6 represents in cross-section the
device according to the invention;
FIG. 7 represents the device according to the invention seen from above;
FIG. 8 represents the soleplate in a state of rest;
- the figure number, 9 represents the sole tensioned by
the heel.

En référence à ces dessins, le dispositif comporte: le filtre d'air(1),situé au commençement du tuyau vertical d'admission(2),qui est pourvu intérieurement d'une soupape
d'admission(3) ,laquelle est située en bas, tout prés du soufflet(4),
le soufflet étant muni d'un ressort hélicoidal (5) situé
centralement.
With reference to these drawings, the device comprises: the air filter (1), situated at the beginning of the vertical intake pipe (2), which is internally provided with a valve
intake (3), which is located at the bottom, close to the bellows (4),
the bellows being provided with a helical spring (5) located
centrally.

A la continuité du soufflet(4) se trouve le tuyau horizontal d'évacuation(6),prévu d'une soupape d'évacuation (7), ce tuyau se finissant avec des petits orifices (7c) d'évacuation de l'air, ainsi liberé avec pression. To the continuity of the bellows (4) is the horizontal discharge pipe (6), provided with a discharge valve (7), this pipe ending with small orifices (7c) for evacuation of the air , thus released with pressure.

Le filtre d'air(1),représenté dans la figure 1 comprend:
- un manchon du caoutchouc (la) et un matériel filtrant (lob) comme feutre ou un autre matériel filtrant.
The air filter (1), shown in Figure 1 comprises:
- a sleeve of rubber (la) and a filter material (lob) as felt or other filtering material.

Le tuyau d'admision(2),représenté dans la figure numero 2, fait la liaison entre le filtre d'air(1)et la soupape d'admision(3). The inlet pipe (2), shown in figure 2, is the connection between the air filter (1) and the inlet valve (3).

Il est cofectionné du caoutchouc. It is made of rubber.

La soupape d'admission(3)est fixée à l'intérieur du tuyau vértical d'admission(2) et elle est confectionnée d'un mélange de caoutchouc et plastique. The inlet valve (3) is fixed inside the intake pipe (2) and is made of a mixture of rubber and plastic.

Lasoupape(3)contient à l'intérieur un canal avec conicité (3a) et une bille de polystiren(3b). Lasoupape (3) contains inside a channel with conicity (3a) and a ball of polystyrene (3b).

Dés la soupape(3),représenté dans la figure numéro 2 ,dans le tuyau d'admission, commence le tuyau horizontal d'évacuation(6), muni à l'autre extrémité, de la soupape d'évacuation(7) et représenté avec la soupape et ses orifices dans la figure numéro 3. From the valve (3), shown in figure 2, in the intake pipe, begins the horizontal discharge pipe (6), provided at the other end, with the discharge valve (7) and shown with the valve and its orifices in figure 3.

La soupape (7) assure l'évacuation de l'air de ventilation à partir d'une valeur de la pression de l'air du tuyau horizontal (6) établie antérieurement. The valve (7) vents the ventilation air from an air pressure value of the previously established horizontal pipe (6).

Cette soupape présente un manchon de caoutchouc (7a),un orifice d'obturation(7b) et quatre orifices d'évacuation (7c). This valve has a rubber sleeve (7a), a closure port (7b) and four discharge ports (7c).

Le tuyau horizontal d'évacuation(6) se fini avec ces orifices qui assurent la distribution de l'air de ventilation fourni par le systéme qui réalise le pompage artificiel et conduit l'air du niveau du talon jusqu'au niveau des doigts du pied. The horizontal discharge pipe (6) is finished with these holes which ensure the distribution of the ventilation air provided by the system which performs the artificial pumping and conducts the air from the level of the heel to the level of the toes .

Le soufflet(4),représenté dans la figure 4 ,est fermé et confe-e- tionné d'une surface caoutchoutée ou du caoutchouc mince, ayant fixé à l'intérieur un ressort hélicoidal(5)centrale et confectionné du fil d'acier. Ce ressort, en état de tension,pendant le fonftionenent
du système, s'enfouit dans la masse du soufflet.
The bellows (4), shown in FIG. 4, is closed and is provided with a rubberized surface or thin rubber, having fixed inside a central helical spring (5) and made of steel wire . This spring, in a state of tension, during the fonftionenent
of the system, bury itself in the mass of the bellows.

Le principe de fonctionnement de ce dispositif est représenté par le pompage alternatif de l'air, produit par le mouvement du talon du pied pendant la marche.  The principle of operation of this device is represented by the alternative pumping of air, produced by the movement of the heel of the foot during walking.

Au début,le soufflet(4) se trouve en état de repos et il est rempli de l'air dans son volume entier. At first, the bellows (4) is in a state of rest and is filled with air in its entire volume.

C'est la situation qui caractérise l'état avant de l'introduc
tion du pied dans la chaussure munie de ce dispositif.
This is the situation that characterizes the state before the introduc
foot in the shoe provided with this device.

Au moment de l'introduction du pied dans cette chaussure, le ressort(5) est mis en état de tension et il provoque la diminution du volume du soufflet (4). Encet état,l'air du soufflet(4)est poussé avec pression. At the time of introduction of the foot in this shoe, the spring (5) is put in a state of tension and it causes the decrease of the volume of the bellows (4). In state condition, the air of the bellows (4) is pushed with pressure.

Il ferme la soupape d'admission(3) et il prend la direction permise, du tuyau d'évacuation(6),aprés il recontre la soupape d'évacuation(7)qui s'ouvre au moment ou' la valeur de la pression de l'air du tuyau (6),en augmentant, arrive à la valeur obtenue par des calculs. It closes the intake valve (3) and it takes the permitted direction of the discharge pipe (6), after it meets the evacuation valve (7) which opens at the moment when the value of the pressure the air of the pipe (6), increasing, arrives at the value obtained by calculations.

Au moment de la levéedu pied pendant la marche, le ressort(5) se détend grâce à l'energie potentielle accumulée antérieurement, enétat de tension, le volume du soufflet commence à augmenter et, à la suite, il a lieu la création d'une dépression dont l'effet ctest l'aspiration de l'air frais et filtré par l'ouverture de la soupape d'admission. When the foot is lifted during walking, the spring (5) relaxes thanks to the potential energy accumulated previously, in a state of tension, the volume of the bellows begins to increase and, as a result, the creation of a depression whose effect is the suction of fresh air and filtered by the opening of the intake valve.

Le soufflet s'est ainsi rempli de l'air de ventilation et, quand le talon descend , il exerce une pression sur celui-ci, par laquelle détermine la diminution de son volume et la fermeture de la soupape d'admission(3)
L'air de ventilation est obligé de suivre la direction du tube d'évacuation(6) et il arrive à la soupape(7), -cette condition étant concrétisé dans la nécessité de surmonter la résistence opposée par le manchon de caoutchouc(7a),résistence dont la valeur est choisie relativement à la valeur de la pression de l'air avant-determinée.
The bellows are thus filled with the ventilation air and, when the heel descends, it exerts a pressure on it, by which determines the decrease of its volume and the closing of the intake valve (3)
The ventilation air is obliged to follow the direction of the evacuation tube (6) and it reaches the valve (7), -this condition being concretized in the need to overcome the opposite resistance by the rubber sleeve (7a) , resistance whose value is chosen relative to the value of the air pressure before-determined.

Ces calculs sont déterminés d'un certain façon pour que la soupape(7)d'évacuationpuisse éliminer l'air de ventilation à une pression d'une valeur plus élevée, ayant comme but la provocation d'une élimination forcée du l'air propre et frais qui pousse à l'extérieur l'air vicié.  These calculations are determined in a certain way so that the discharge valve (7) can remove the ventilation air at a higher value pressure, with the aim of causing a forced removal of the clean air and fresh that grows outside the stale air.

Les quatre orifices d'aération (7c) sont placés entre tous les deux doigts du pied pour assurer une aire de dif
fusion , une extension suffisante de l'effet de ventilation.
The four ventilation holes (7c) are placed between all the two toes of the foot to provide a breathing area.
fusion, a sufficient extension of the ventilation effect.

A titre d'exemple non-limitatif , les dimensions peuvent être les suivantes
- le diamètre des tuyaux d'admission (2) et d'évacu ation (6) de 5 mm
- le diamètre du fil d'acier du ressort hélicoidal (5) d'un mm
Toutes les autres dimensions sont variables en fonction de la grandeur de la chaussure
As a non-limiting example, the dimensions may be as follows
- the diameter of the inlet (2) and outlet (6) pipes of 5 mm
- the diameter of the steel wire of the helical spring (5) of one mm
All other dimensions vary depending on the size of the shoe

Claims (5)

2. -Dispositif selon la revendication 1 , caractérisé en ce que le filtre (1) est placé à l'extrémité supérieure du tuyau vértical (2). 2. -Dispositif according to claim 1, characterized in that the filter (1) is placed at the upper end of the vertical pipe (2). 1.- Dispositif pour écarter entiérement,par venti lation , l'effet ennuyeux de la transpiration des pieds dans des chaussures fermées, caractérisé en ce qu'il comporte un filtre (1) , continué par un tuyau vértical d'admission (2) , pourvu d'une soupape d'admission (3) laquelle assure , par son fonctionnement la pénétration de l'air de ventilation dans le système et d'où commence le tuyau horizontal d'évacuation(6)muni de la soupape d'éva cuation(7) et de quatre orifices d'évacuation, dispositif caractérisé en ce qu'il comporte aussi le soufflet (4) prévu à l'intérieur d'un ressort hélicoidal (5),lequel produit la variation du volume du soufflet et de la pression de l'air qui se trouve à l'intérieur du système 1.- Device for completely removing, by ventilation, the annoying effect of perspiration of the feet in closed shoes, characterized in that it comprises a filter (1), continued by a suction pipe (2) , provided with an inlet valve (3) which, by its operation, ensures the penetration of the ventilation air into the system and from which the horizontal evacuation pipe (6) equipped with the vent valve begins. cuation (7) and four discharge ports, characterized in that it also comprises the bellows (4) provided inside a helical spring (5), which produces the variation of the volume of the bellows and the the air pressure inside the system REVENDICATIONS 3. -Dispositif selon les revendications 1 et 2,carac térisé en ce que , la soupape (3) est munie d'une bille (3b) située dans un canal avec conicité (3a) 3. -Dispositif according to claims 1 and 2, charac terized in that, the valve (3) is provided with a ball (3b) located in a channel with conicity (3a) 4. -Dispositif selon l'une quelconque des revendi cations précédentes , caractérisé en ce que le soufflet (4) présente un ressort hélicoidal (5) , confectionné d'un fil d'acier qui s'enfouit dans la masse du soufflet quand il est mis en état de tension 4. -Dispositif according to any one of the preceding revendi cations, characterized in that the bellows (4) has a helical spring (5), made of a steel wire which burrows into the mass of the bellows when it is put in a state of tension 5. -Dispositif selon l'une quelconque des revendi cations précédentes caractérisé en ce que la soupape (7a > est pourvue d'un manchon de caoutchouc qui assure son fonctionnement en rélation avec la pression , elle s'ouvrant à une valeur détérminé de la pression à laquelle s'était prévu que l'air puisse s'évacuer  5. -Dispositif according to any preceding revendi cations characterized in that the valve (7a> is provided with a rubber sleeve which ensures its operation in relation to the pressure, it opening to a fixed value of the pressure at which the air was expected to escape
FR9015663A 1990-12-14 1990-12-14 DEVICE FOR AERATION OF THE FEET, BY INTRODUCING FRESH AIR, INTO CLOSED SHOES. Expired - Fee Related FR2670369B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9015663A FR2670369B1 (en) 1990-12-14 1990-12-14 DEVICE FOR AERATION OF THE FEET, BY INTRODUCING FRESH AIR, INTO CLOSED SHOES.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9015663A FR2670369B1 (en) 1990-12-14 1990-12-14 DEVICE FOR AERATION OF THE FEET, BY INTRODUCING FRESH AIR, INTO CLOSED SHOES.

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FR2670369A1 true FR2670369A1 (en) 1992-06-19
FR2670369B1 FR2670369B1 (en) 1993-10-22

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2692448A1 (en) * 1992-06-19 1993-12-24 Gostovic Milan Ventilated sole for shoe with pump under arch - has pump formed by air pocket and operated by movement of foot and having channels from air exit hole to holes under toes
WO1996024267A1 (en) * 1995-02-06 1996-08-15 Jeong Kun Yoon Shoes excellent in ventilation
US5983525A (en) * 1998-04-16 1999-11-16 Brown; Leon T. Vented shoe sole
US6044577A (en) * 1998-09-28 2000-04-04 Breeze Technology Self-ventilating footwear
WO2000018263A1 (en) * 1998-09-28 2000-04-06 Gregory Clark Self-ventilating insert for footwear
US6247248B1 (en) * 1998-06-15 2001-06-19 Breeze Technology Ventilation system and method for footwear
WO2002051275A1 (en) * 2000-12-22 2002-07-04 K-Swiss Inc. Footwear with enhanced temperature control
US6415529B1 (en) * 2000-09-01 2002-07-09 Daniel D. Kelley Shoe ventilation apparatus
GB2405780A (en) * 2003-09-09 2005-03-16 Mark Bowkett Ventilated footwear
US7051456B2 (en) * 2003-07-29 2006-05-30 Nike, Inc. Article of footwear incorporating an inflatable chamber
US7513067B2 (en) * 2002-07-02 2009-04-07 Reebok International Ltd. Shoe having an inflatable bladder
US7721465B2 (en) 2002-07-02 2010-05-25 Reebok International Ltd. Shoe having an inflatable bladder
EP2189075A1 (en) * 2008-11-21 2010-05-26 Laing Ban International Inc. Shoe sole with air ventilation device
US8677652B2 (en) 2002-07-02 2014-03-25 Reebok International Ltd. Shoe having an inflatable bladder

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020194747A1 (en) 2001-06-21 2002-12-26 Passke Joel L. Footwear with bladder filter

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FR429501A (en) * 1911-05-08 1911-09-25 Robert Koelliker Ventilation shoe
GB331280A (en) * 1930-02-03 1930-07-03 Hyman Markovitch Improvements in or relating to footwear
US2086790A (en) * 1936-11-06 1937-07-13 Leo W Wroten Air cooled shoe
FR54688E (en) * 1946-02-22 1950-07-27 Footwear ventilation process
US2552711A (en) * 1949-09-22 1951-05-15 Dunker Martha Sole to permit circulation of air in rubber footwear
US3029530A (en) * 1961-07-05 1962-04-17 Clare N Eaton Ventilated boot
US3060599A (en) * 1960-10-14 1962-10-30 Okuyama Ryoji Ventilated rubber shoe
FR1315297A (en) * 1962-01-18 1963-01-18 Self-ventilating shoe
FR1598123A (en) * 1968-12-24 1970-06-29
AU2658571A (en) * 1971-03-16 1972-09-21
FR2185920A5 (en) * 1972-05-24 1974-01-04 Louis Andre
DE7611551U1 (en) * 1976-04-13 1976-08-19 Goblirsch, Josef, 8783 Hammelburg Ventilation device for shoes
DE2846507A1 (en) * 1978-10-25 1980-04-30 Jakob Westermeier Automatic shoe ventilator in heel - has self-cleaning flexible filter with air pump and stop-piece to hold filter
GB2195074A (en) * 1986-09-18 1988-03-30 Lee Tzai Lin Ventilating sole for footwear
US4760651A (en) * 1987-01-29 1988-08-02 Pon Tzu Chi Air-ventilating shoe pad having shoe-lift effect
US4835883A (en) * 1987-12-21 1989-06-06 Tetrault Edward J Ventilated sole shoe construction

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR429501A (en) * 1911-05-08 1911-09-25 Robert Koelliker Ventilation shoe
GB331280A (en) * 1930-02-03 1930-07-03 Hyman Markovitch Improvements in or relating to footwear
US2086790A (en) * 1936-11-06 1937-07-13 Leo W Wroten Air cooled shoe
FR54688E (en) * 1946-02-22 1950-07-27 Footwear ventilation process
US2552711A (en) * 1949-09-22 1951-05-15 Dunker Martha Sole to permit circulation of air in rubber footwear
US3060599A (en) * 1960-10-14 1962-10-30 Okuyama Ryoji Ventilated rubber shoe
US3029530A (en) * 1961-07-05 1962-04-17 Clare N Eaton Ventilated boot
FR1315297A (en) * 1962-01-18 1963-01-18 Self-ventilating shoe
FR1598123A (en) * 1968-12-24 1970-06-29
AU2658571A (en) * 1971-03-16 1972-09-21
FR2185920A5 (en) * 1972-05-24 1974-01-04 Louis Andre
DE7611551U1 (en) * 1976-04-13 1976-08-19 Goblirsch, Josef, 8783 Hammelburg Ventilation device for shoes
DE2846507A1 (en) * 1978-10-25 1980-04-30 Jakob Westermeier Automatic shoe ventilator in heel - has self-cleaning flexible filter with air pump and stop-piece to hold filter
GB2195074A (en) * 1986-09-18 1988-03-30 Lee Tzai Lin Ventilating sole for footwear
US4760651A (en) * 1987-01-29 1988-08-02 Pon Tzu Chi Air-ventilating shoe pad having shoe-lift effect
US4835883A (en) * 1987-12-21 1989-06-06 Tetrault Edward J Ventilated sole shoe construction

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2692448A1 (en) * 1992-06-19 1993-12-24 Gostovic Milan Ventilated sole for shoe with pump under arch - has pump formed by air pocket and operated by movement of foot and having channels from air exit hole to holes under toes
WO1996024267A1 (en) * 1995-02-06 1996-08-15 Jeong Kun Yoon Shoes excellent in ventilation
US5983525A (en) * 1998-04-16 1999-11-16 Brown; Leon T. Vented shoe sole
US6247248B1 (en) * 1998-06-15 2001-06-19 Breeze Technology Ventilation system and method for footwear
US6044577A (en) * 1998-09-28 2000-04-04 Breeze Technology Self-ventilating footwear
WO2000018263A1 (en) * 1998-09-28 2000-04-06 Gregory Clark Self-ventilating insert for footwear
US6079123A (en) * 1998-09-28 2000-06-27 Breeze Technology Self-ventilating insert for footwear
US6415529B1 (en) * 2000-09-01 2002-07-09 Daniel D. Kelley Shoe ventilation apparatus
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US8677652B2 (en) 2002-07-02 2014-03-25 Reebok International Ltd. Shoe having an inflatable bladder
US9474323B2 (en) 2002-07-02 2016-10-25 Reebok International Limited Shoe having an inflatable bladder
US10251450B2 (en) 2002-07-02 2019-04-09 Reebok International Limited Shoe having an inflatable bladder
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FR2670369B1 (en) 1993-10-22

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