WO2003082039A1 - Catapult-type device for shoe production - Google Patents

Catapult-type device for shoe production Download PDF

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Publication number
WO2003082039A1
WO2003082039A1 PCT/ES2003/000121 ES0300121W WO03082039A1 WO 2003082039 A1 WO2003082039 A1 WO 2003082039A1 ES 0300121 W ES0300121 W ES 0300121W WO 03082039 A1 WO03082039 A1 WO 03082039A1
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WIPO (PCT)
Prior art keywords
sole
foot
heel
catapult
trotines
Prior art date
Application number
PCT/ES2003/000121
Other languages
Spanish (es)
French (fr)
Inventor
Abraham Martinez Diaz
Original Assignee
Abraham Martinez Diaz
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 Abraham Martinez Diaz filed Critical Abraham Martinez Diaz
Priority to AU2003214272A priority Critical patent/AU2003214272A1/en
Publication of WO2003082039A1 publication Critical patent/WO2003082039A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B21/00—Heels; Top-pieces or top-lifts
    • A43B21/24—Heels; Top-pieces or top-lifts characterised by the constructive form
    • A43B21/26—Resilient heels
    • 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
    • A43B13/183—Leaf springs

Definitions

  • the metatarsophalangeal joint supports an overload of weight and pressure due to the effort caused by inflammations in the toes, and limitations in walking.
  • the foot is a first-angle angular lever and as such a lever system is formed by a power arm and a resistance arm.
  • the power arm goes from the calcaneal tendon to the ankle joint, and the resistance arm goes from the ankle to the metatarsophalangeal joint.
  • the first form there is a first load or a first support of the calcaneus followed by the metatarsus and the phalanges.
  • a muscular work is carried out that consists in the contraction of the posterior muscles of the thigh (biceps femoris) at the same time as the elongation of the previous ones that regulate the advancement of the body.
  • the trot works like a catapult that throws a weight and describes a parable in its trajectory. It is a combination of a first-gen lever and a weight scale. Both combined, take advantage of the inertia of descent as a force of ascent, thanks to the existence in the system of two springs located in the places where the pressure is made, one in the heel and another from the leading area of the shoe extending the latter to the central area of it. Thanks to the combined system, the muscular effort of both the anterior and posterior muscles of the legs is reduced since by releasing the springs the tensions in a rhythmic and accompanied way, they raise the body upwards while moving it forward parabolic
  • Fig. 1 perspective view of the left foot trotter. It consists of a tongue 1 that protects and fastens the foot to the arch of the anatomical sole 2, on which the sole of the foot rests without weight overloads. Sole 3 located in the heel area and half sole 4 in the front area. Block of synthetic rubber or similar 5 located between 2-3 and block of synthetic rubber or similar 6 located between 3-4.
  • Fig. 2 perspective view of the left foot trotter. Tongue 1 that protects and fastens the foot to the arch of the anatomical sole 2, rear sole 3 or heel consisting of a spring of sheets of metallic material joined at its ends, which form a system of levers of the first gender.
  • Half sole 4 in a curved shape.
  • Fig. 3 profile view of the left foot with shoe.
  • the first support is made on the end 7 of the sole 3 or heel, which consists of a spring or crossbow that is tensioned by the weight and reduces the height, height that is limited thanks to the existence of the stop 5 made of synthetic rubber or similar.
  • the second support point is made on the point 8 of the sole 4 that fulfills a double function: faithful of a weight scale thus regulating the balance of the body, and in turn the function of the power arm of the sole 4. which is also equipped with a wedge that stops 6.
  • Figure 4 shows a variation with respect to fig. 3. This shows a variation in the size of the wedge 5, making it possible to adapt this sole to people with alterations in L ⁇ fig limb length. 5 profile view of the left shoe, corresponds to fig. 2, where you can see the support points or transverse axes all at the same distance with respect to the shortest arm of the lever or resistance arm indicated with the numbers 9,10,11,12.
  • the heel is supported on the point of the sole indicated with the number 7, where the weight of the body puts into operation the entire lever system, pressing the power arm and transmitting that energy from 12 to 11 and so on giving as a damping or staggered braking for a subsequent reverse energy release, the power arm 12 being the first to release the accumulated energy until it reaches 9.
  • Fig. 6 perpendicular view of the left trotter with the three superimposed soles inscribed in a rectangle that is divided into two symmetric halves, describing an isosceles triangle corresponding to the distribution of the individual's weight.
  • the point indicated with the number 13 is the center of the semicircle on which the heel rests and the points indicated with the numbers 14 and 15 maintain the balance of the body.
  • fig. 7 sole inscribed in a rectangle divided into two halves indicating with a continuous line the support area with the trotter system.
  • Line 17 shows a posterior anterior deviation with internal support and overload in the little and ring fingers of the left foot indicated with line 16 in Figure 8
  • FIG. 13 Perspective view of the anatomical sole lower arch arrow.
  • Fig. 14 according to arrow 21 ARC mm.
  • Fig. 15 according to arrow 22 PREVIOUS HIGH mm.
  • Figure 16 perspective drawing showing the realization of a woman's sandal corresponding to the left foot.
  • Figure 17 shows a tongue that protects the foot.
  • the material for manufacturing can be diverse but preferably aluminum. This tongue is welded to the sole 2 and both the sole and the leather-coated tongue can be fig. 18
  • the aluminum sole is equipped with an 8 mm flange. located on the edge that gives consistency and support to the foot.
  • Fig. 21 corresponds to the wedge 5 of synthetic rubber located between 2 and 3.
  • Fig. 23 corresponds to wedge 6 of synthetic rubber, serves as a support point between 2 and 3 ..
  • Fig. 25 corresponds to the sole 2 made with wooden sheets joined with contact glue.
  • Fig. 26 example of steel sheet heel.
  • Fig. 27 corresponds to the wedge 6 which together with the sole 3 are attached to the sole 2 by means of rivets on the toe and on the heel of the trotter.

Abstract

The invention relates to catapult-type devices for shoe production. The inventive devices comprise a mechanical articulation which acts as the metatarsophalangeal joint. The invention is characterised in that the aforementioned device operates in a similar way to a catapult which launches a weight that follows a parabolic path along the trajectory thereof and which uses the downward inertia as an upward force. Moreover, said devices are characterised in that they are anatomical and orthopaedic and that they comprise a rigid sole (2), an impulse spring heel (3) and a middle sole (4) which balances the body. Furthermore, two combined wedges are characterised in that they are made from synthetic rubber and a spring is characterised in that it forms a system of levers with steel sheets.

Description

TROTINES PARA LA FABRICACIÓN DE CALZADO TROTINES FOR MANUFACTURE OF FOOTWEAR
DESCRIPCIÓNDESCRIPTION
La articulación metatarsofalángica soporta una sobrecarga de peso y presión por el esfuerzo que puede producir inflamaciones en los dedos de los pies, y limitaciones para andar. El pie es una palanca angular de primer género y como tal sistema de palanca está formado por un brazo de potencia y uno de resistencia. El brazo de potencia va desde el tendón calcáneo hasta la articulación del tobillo, y el brazo de resistencia va desde el tobillo hasta la articulación metatarsofalángica.The metatarsophalangeal joint supports an overload of weight and pressure due to the effort caused by inflammations in the toes, and limitations in walking. The foot is a first-angle angular lever and as such a lever system is formed by a power arm and a resistance arm. The power arm goes from the calcaneal tendon to the ankle joint, and the resistance arm goes from the ankle to the metatarsophalangeal joint.
Dependiendo de la fisiología del pie, existen diferentes formas de pisada tales como la pronadora y la supinadora. Este hecho lleva al resultado de la existencia de dos formas de caminar:Depending on the physiology of the foot, there are different forms of footfall such as the pronator and supinerator. This fact leads to the result of the existence of two ways of walking:
• Una primera forma en la que el individuo apoya por completo la planta del pie sobre el que realiza el apoyo, mientras que el otro pie queda suspendido totalmente en el aire.• A first way in which the individual fully supports the sole of the foot on which the support is made, while the other foot is totally suspended in the air.
• Una segunda forma en el que el individuo no apoya de forma completa la planta del pie sobre el que realiza el apoyo, sino que apoya sólo el talón seguido de la punta del mismo, como si de un pequeño salto se tratase. En este tipo de paso la zona central del pie solo hace la función de propagador de presión del talón a la punta. Esta forma de apoyo se efectúa en carrera, ya que la inercia del cuerpo y la velocidad de ejecución de los pasos es rápida y así lo requiere.• A second way in which the individual does not fully support the sole of the foot on which the support is made, but only supports the heel followed by the tip of the foot, as if it were a small jump. In this type of step the central area of the foot only acts as a pressure propagator from the heel to the toe. This form of support is done in the race, since the inertia of the body and the speed of execution of the steps is fast and requires it.
En la primera forma hay una primera carga o un primer apoyo del calcáneo seguido del metatarso y las falanges. Simultáneamente al anterior, se lleva a cabo un trabajo muscular que consiste en la contracción de los músculos posteriores del muslo ( bíceps femoral ) al mismo tiempo que la elongación de los anteriores que regulan el avance del cuerpo.In the first form there is a first load or a first support of the calcaneus followed by the metatarsus and the phalanges. Simultaneously to the previous one, a muscular work is carried out that consists in the contraction of the posterior muscles of the thigh (biceps femoris) at the same time as the elongation of the previous ones that regulate the advancement of the body.
En la segunda forma, en carrera "dando saltos" hay un mayor desgaste muscular para mantener suspendido el peso del cuerpo, a diferencia del paso lento y acompasado en que se hace el mínimo esfuerzo. Empieza el salto con el apoyo del talón del pie sobre el suelo donde el cuadríceps femoral realiza el primer esfuerzo. Seguidamente el apoyo se desplaza hacia la punta del pie donde se realiza un empuje gracias al tibial y los gemelos .músculos de la parte anterior y posterior de la pierna respectivamente, para quedar este último ( gemelos ) para finalizar el impulso hasta que se despega la punta del suelo. La base del metatarso junto con las cabezas de las falanges sufren el mayor desgaste por sobrecarga de peso y presión.In the second way, in the "jumping" race there is a greater muscular wear to keep the body weight suspended, unlike the slow and rhythmic step in which the minimum effort is made. The jump begins with the support of the heel of the foot on the ground where the quadriceps femoris makes the first effort. Then the support moves to the tip of the foot where a thrust is made thanks to the tibial and the twins .Muscles of the front and back of the leg respectively, to remain the latter (twins) to finish the impulse until the tip of the ground is detached. The base of the metatarsus together with the phalange heads suffer the greatest wear due to weight and pressure overload.
El trotín funciona como una catapulta que lanza un peso y describe una parábola en su trayectoria. Se trata de al combinación de una palanca de primer género y una balanza de pesas. Ambas combinadas, aprovechan la inercia de descenso como fuerza de ascenso, gracias a la existencia en el sistema de dos muelles situados en los lugares donde se realiza la presión, uno en el tacón y otro desde la zona puntera del zapato prolongándose este último hasta la zona central del mismo. Gracias a el sistema combinado, se reduce el esfuerzo muscular tanto de los músculos anteriores como los posteriores de las piernas ya que al liberar los muelles las tensiones de una forma rítmica y acompasada, elevan el cuerpo hacía arriba al mismo tiempo que lo desplazan hacia adelante de forma parabólica.The trot works like a catapult that throws a weight and describes a parable in its trajectory. It is a combination of a first-gen lever and a weight scale. Both combined, take advantage of the inertia of descent as a force of ascent, thanks to the existence in the system of two springs located in the places where the pressure is made, one in the heel and another from the leading area of the shoe extending the latter to the central area of it. Thanks to the combined system, the muscular effort of both the anterior and posterior muscles of the legs is reduced since by releasing the springs the tensions in a rhythmic and accompanied way, they raise the body upwards while moving it forward parabolic
BREVE DESCRIPCIÓN DE LOS DIBUJOSBRIEF DESCRIPTION OF THE DRAWINGS
La fig. 1 vista en perspectiva del trotín del pie izquierdo . Consiste en una lengüeta 1 que protege y ciñe el pie al arco de la suela anatómica 2, en la que se apoya la planta del pie sin sobrecargas de peso. Suela 3 situada en la zona del tacón y media suela 4 en la zona delantera. Taco de caucho sintético o similar 5 situado entre 2 - 3 y taco de caucho sintético o similar 6 situado entre 3-4. La fig. 2 vista en perspectiva del trotín del pie izquierdo. Lengüeta 1 que protege y ciñe el pie al arco de la suela anatómica 2 , suela trasera 3 o tacón que consistente en un muelle de láminas de material metálico unidas en sus extremos, las cuales forman un sistema de palancas de primer género. Media suela delantera 4 de forma curva.Fig. 1 perspective view of the left foot trotter. It consists of a tongue 1 that protects and fastens the foot to the arch of the anatomical sole 2, on which the sole of the foot rests without weight overloads. Sole 3 located in the heel area and half sole 4 in the front area. Block of synthetic rubber or similar 5 located between 2-3 and block of synthetic rubber or similar 6 located between 3-4. Fig. 2 perspective view of the left foot trotter. Tongue 1 that protects and fastens the foot to the arch of the anatomical sole 2, rear sole 3 or heel consisting of a spring of sheets of metallic material joined at its ends, which form a system of levers of the first gender. Half sole 4 in a curved shape.
Fig. 3 vista de perfil del pie izquierdo con zapato. El primer apoyo se efectúa sobre el extremo 7 de la suela 3 o tacón, que consiste en un muelle o ballesta que se tensa por el peso y reduce la altura, altura que se ve limitada gracias a la existencia del tope 5 fabricado en caucho sintético o similar.Fig. 3 profile view of the left foot with shoe. The first support is made on the end 7 of the sole 3 or heel, which consists of a spring or crossbow that is tensioned by the weight and reduces the height, height that is limited thanks to the existence of the stop 5 made of synthetic rubber or similar.
El segundo punto de apoyo se efectúa sobre el punto 8 de la suela 4 que cumple una doble función: fiel de una balanza de pesas regulando de esta manera el equilibrio del cuerpo, y a su vez la función de brazo de potencia de la suela 4. que está dotada también con una cuña que hace de tope 6. La figura 4 presenta una variación con respecto a la fig. 3. En esta se aprecia una variación en el tamaño de la cuña 5, haciendo posible la adaptación de dicha suela a personas con alteraciones de longitud de las extremidades Lαfig. 5 vista de perfil del zapato izquierdo, corresponde a la fig. 2, donde se puede apreciar los puntos de apoyo o ejes transversales todos a la misma distancia con respecto al brazo más corto de la palanca o brazo de resistencia indicado con los números 9,10,11,12. Se apoya el tacón sobre el punto de la suela indicado con el número 7, donde el peso del cuerpo pone en funcionamiento todo el sistema de palancas, presionando el brazo de potencia y trasmitiendo esa energía de 12 a 11 y así sucesivamente dando como una amortiguación o frenado escalonado para una posterior liberación energética inversa siendo el brazo de potencia 12 el primero en liberar la energía acumulada hasta llegar al 9.The second support point is made on the point 8 of the sole 4 that fulfills a double function: faithful of a weight scale thus regulating the balance of the body, and in turn the function of the power arm of the sole 4. which is also equipped with a wedge that stops 6. Figure 4 shows a variation with respect to fig. 3. This shows a variation in the size of the wedge 5, making it possible to adapt this sole to people with alterations in Lαfig limb length. 5 profile view of the left shoe, corresponds to fig. 2, where you can see the support points or transverse axes all at the same distance with respect to the shortest arm of the lever or resistance arm indicated with the numbers 9,10,11,12. The heel is supported on the point of the sole indicated with the number 7, where the weight of the body puts into operation the entire lever system, pressing the power arm and transmitting that energy from 12 to 11 and so on giving as a damping or staggered braking for a subsequent reverse energy release, the power arm 12 being the first to release the accumulated energy until it reaches 9.
La fig.6 vista perpendicular del trotín izquierdo con las tres suelas superpuestas inscritas en un rectángulo que se encuentra dividido en dos mitades simétricas, describiendo un triángulo isósceles correspondiente a la distribución del peso del individuo. El punto indicado con el número 13 es el centro de la semicircunferencia en la que se apoya el talón y los puntos indicados con los números 14 y 15 mantienen el equilibrio del cuerpo. fig. 7 suela inscrita en un rectángulo dividido en dos mitades indicando con una linea continua la zona de apoyo con el sistema trotín. La línea 17 muestra una desviación anterior posterior con apoyo interior y sobrecarga en los dedos meñique y anular del pie izquierdo indicado con línea 16 en la figura 8Fig. 6 perpendicular view of the left trotter with the three superimposed soles inscribed in a rectangle that is divided into two symmetric halves, describing an isosceles triangle corresponding to the distribution of the individual's weight. The point indicated with the number 13 is the center of the semicircle on which the heel rests and the points indicated with the numbers 14 and 15 maintain the balance of the body. fig. 7 sole inscribed in a rectangle divided into two halves indicating with a continuous line the support area with the trotter system. Line 17 shows a posterior anterior deviation with internal support and overload in the little and ring fingers of the left foot indicated with line 16 in Figure 8
En la fíg. 10 se corrige la desviación desplazando la suela hacia fuera. Ambas líneas quedan superpuestas como consecuencia de dicha corrección.In the fig. 10 the deviation is corrected by moving the sole outwards. Both lines are superimposed as a result of said correction.
Fig. 7 desviación exterior. Fig. 9 desviación interior.Fig. 7 external deviation. Fig. 9 internal deviation.
Fig. 11 según la flecha 10 LARGO mm.Fig. 11 according to arrow 10 LENGTH mm.
Fig. 12 según la flecha 20 LARGO mm.Fig. 12 according to arrow 20 LONG mm.
Fig. 13 vista en perspectiva de la suela anatómica arco inferior flecha.Fig. 13 Perspective view of the anatomical sole lower arch arrow.
Fig. 14 según la flecha 21 ARCO mm. Fig. 15 según la flecha 22 ALTO ANTERIOR mm.Fig. 14 according to arrow 21 ARC mm. Fig. 15 according to arrow 22 PREVIOUS HIGH mm.
Fig. 15 según la flecha 23 ALTO POSTERIROR mm. DESCRIPCIÓN DE UNA REALIZACIÓNFig. 15 according to arrow 23 HIGH POSTERIROR mm. DESCRIPTION OF AN EMBODIMENT
Figura 16 dibujo en perspectiva donde se muestra la realización de una sandalia de mujer correspondiente al pie izquierdo. Figura 17 muestra una lengüeta que protege al pie. El material para la fabricación puede ser diverso pero preferentemente aluminio. Esta lengüeta está soldada a la suela 2 pudiendo estar tanto la suela como la lengüeta recubierta de cuero fig. 18Figure 16 perspective drawing showing the realization of a woman's sandal corresponding to the left foot. Figure 17 shows a tongue that protects the foot. The material for manufacturing can be diverse but preferably aluminum. This tongue is welded to the sole 2 and both the sole and the leather-coated tongue can be fig. 18
Figura 19 plantilla de corcho de grosor aprox. de 6 mm. Fig. 20 suela de aluminio de 2mm. a la que se le une por la parte inferior la plantilla de corcho deFigure 19 cork template thickness approx. 6 mm Fig. 20 2mm aluminum sole. to which the cork template is attached at the bottom
6mm. La suela de aluminio está dotada de una pestaña de 8 mm. situada en el borde que le da consistencia y sujeción al pie.6mm The aluminum sole is equipped with an 8 mm flange. located on the edge that gives consistency and support to the foot.
Fig. 21 corresponde a la cuña 5 de caucho sintético situada entre 2 y 3. Fig. 22 tacón del trotín de acero con un refuerzo interior longitudinal que regula el peso. Fig. 23 corresponde a la cuña 6 de caucho sintético, sirve de punto de apoyo entre 2 y 3..Fig. 21 corresponds to the wedge 5 of synthetic rubber located between 2 and 3. Fig. 22 heel of the steel trotter with an internal longitudinal reinforcement that regulates the weight. Fig. 23 corresponds to wedge 6 of synthetic rubber, serves as a support point between 2 and 3 ..
Fig.24 media suela delantera de acero.Fig. 24 Half steel front sole.
DESCRIPCIÓN DE OTRA REALIZACIÓNDESCRIPTION OF ANOTHER EMBODIMENT
Fig. 25 corresponde a la suela 2 hecha con láminas de madera unidas con cola de contacto.Fig. 25 corresponds to the sole 2 made with wooden sheets joined with contact glue.
Fig. 26 ejemplo de tacón de láminas de acero.Fig. 26 example of steel sheet heel.
Fig. 27 corresponde a la cuña 6 que junto a la suela 3 van unidas a la suela 2 por medio de remaches en la puntera y en el tacón del trotín.Fig. 27 corresponds to the wedge 6 which together with the sole 3 are attached to the sole 2 by means of rivets on the toe and on the heel of the trotter.
No se considera necesario hacer mas extenso el contenido de la presente descripción para que un experto en la materia pueda comprender su alcance y las ventajas que contiene, así como llevar a cavo la realización práctica de la invención.It is not considered necessary to extend the content of the present description so that a person skilled in the art can understand its scope and the advantages it contains, as well as carry out the practical realization of the invention.
No obstante, debe entenderse que la invención ha sido descrita según una realización preferida de la misma, por lo que puede ser susceptible de modificaciones sin que suponga alteración alguna del funcionamiento de dicha invención pudiendo afectar tales modificaciones, en especial, a la forma, tamaño y/o a los materiales de fabricación del conjunto o de sus partes. However, it should be understood that the invention has been described according to a preferred embodiment thereof, so it may be subject to modifications without any alteration of the operation of said invention may affect such modifications, in particular, the shape, size and / or manufacturing materials of the assembly or its parts.

Claims

REIVINDICACIONES
1- Trotines para la fabricación de calzado caracterizados por estar compuestos por una lengüeta que ciñe el pie por su parte superior, una suela donde se apoya el pie y por dos suelas situadas en la zona anterior y posterior de la planta del pie que transforman la energía del descenso en energía de ascenso.1- Trotines for the manufacture of footwear characterized by being composed of a tongue that girdles the foot by its upper part, a sole where the foot rests and by two soles located in the anterior and posterior area of the sole of the foot that transform the energy of the descent in energy of ascent.
2.- Trotines para la fabricación de calzado caracterizados por incorporar dos cuñas de caucho sintético. Una de ellas situada entre la suela superior o principal donde se apoya el pie y la suela muelle situada en la zona del talón. Y una segunda cuña, situada entre la suela situada en la punta y la suela principal.2.- Trotines for the manufacture of footwear characterized by incorporating two wedges of synthetic rubber. One of them located between the upper or main sole where the foot rests and the spring sole located in the heel area. And a second wedge, located between the sole located at the tip and the main sole.
3.- Trotines para la fabricación de calzado según reivindicación anterior, caracterizados por que las cuñas ejercen un doble papel amortiguador y tope.3.- Trotines for the manufacture of footwear according to the preceding claim, characterized in that the wedges exert a double buffer and stopper role.
4.- Trotines para la fabricación de calzado caracterizados porque las suelas secundarias situadas en la zona del talón y de la punta del pie, son tipo muelle fabricadas con láminas de acero que forman un sistema de palancas de primer género que amortiguan y liberan la energía de forma escalonada. 4.- Trotines for the manufacture of footwear characterized in that the secondary soles located in the area of the heel and the toe, are spring type made of steel sheets that form a system of levers of first gender that dampen and release energy Stepwise.
PCT/ES2003/000121 2002-04-02 2003-03-14 Catapult-type device for shoe production WO2003082039A1 (en)

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Application Number Priority Date Filing Date Title
AU2003214272A AU2003214272A1 (en) 2002-04-02 2003-03-14 Catapult-type device for shoe production

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200200823A ES2228209B1 (en) 2002-04-02 2002-04-02 TROTINES FOR THE MANUFACTURE OF FOOTWEAR.
ESP200200823 2002-04-02

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ES (1) ES2228209B1 (en)
WO (1) WO2003082039A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2310473B1 (en) * 2007-04-16 2009-12-03 Abraham Martinez Diaz TROTIN FOR FOOTWEAR.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3406039A1 (en) * 1984-02-20 1985-09-05 Reinhard 6203 Hochheim Schuster Shoe with an elastic substructure
EP0655206A1 (en) * 1993-11-25 1995-05-31 PARK, Youngsoul Exercising shoe sole
US5511324A (en) * 1994-04-01 1996-04-30 Smith; Roosevelt Shoe heel spring
EP1197159A1 (en) * 2000-10-13 2002-04-17 Juan Redin Gorraiz Process for manufacturing a shoe and shoe manufactured using said process

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3406039A1 (en) * 1984-02-20 1985-09-05 Reinhard 6203 Hochheim Schuster Shoe with an elastic substructure
EP0655206A1 (en) * 1993-11-25 1995-05-31 PARK, Youngsoul Exercising shoe sole
US5511324A (en) * 1994-04-01 1996-04-30 Smith; Roosevelt Shoe heel spring
EP1197159A1 (en) * 2000-10-13 2002-04-17 Juan Redin Gorraiz Process for manufacturing a shoe and shoe manufactured using said process

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AU2003214272A1 (en) 2003-10-13
ES2228209B1 (en) 2006-06-01
ES2228209A1 (en) 2005-04-01

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