WO2008044088A1 - Ball for sports - Google Patents
Ball for sports Download PDFInfo
- Publication number
- WO2008044088A1 WO2008044088A1 PCT/IB2006/003284 IB2006003284W WO2008044088A1 WO 2008044088 A1 WO2008044088 A1 WO 2008044088A1 IB 2006003284 W IB2006003284 W IB 2006003284W WO 2008044088 A1 WO2008044088 A1 WO 2008044088A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- panels
- ball
- panel
- sports
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B41/00—Hollow inflatable balls
- A63B41/08—Ball covers; Closures therefor
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B45/00—Apparatus or methods for manufacturing balls
- A63B45/02—Marking of balls
Definitions
- the present application for a Ball Invention Patent for Sports refers to a Ball that is designed to be used in different sports games.
- the peripheral portion of the panel edge of leather is folded inwards by about 180 degrees to 90 degrees.
- a groove is formed in the folded portion of the leather panel. The thickness is adjusted with a woven fabric shock absorbing.
- the object of the present invention patent application is to produce a Sports Ball that maintains its resistance, offering great softness for the game, especially for the game of football and related sports in plays in which the use of the head of the player, offering very low water absorption and having great dimensional stability.
- the Sports Ball object of the Invention Patent application has the following advantages in relation to the State of the Art, such as:
- a flat woven fabric in the form of a pentagon which has small cuts on its surface that increase its elasticity providing great softness, when these fabrics are placed crossed the resistance required to maintain dimensional stability is obtained, these pieces of fabric are joined by overlapping their edges and sticking them by means of glues.
- the ball is made up of two different layers of yarn of different weight between the pieces of woven fabric and the rubber layer, which provides greater resistance without losing softness, unlike known balls that only carry a single layer with great amount of thread
- the outer layer is made up of hexagonal and / or pentagonal and / or triangular pieces that join each other overlapping their edges and by means of glues form a perfectly sealed continuous layer that prevents the passage of water. This layer may or may not be attached to the underlying rubber layer.
- Figure 1 Section view of the Sports Ball of the invention.
- Figure 2. Front view of a woven fabric panel.
- the present application for a Ball Invention Patent for Sports is made up of the following parts: a) A tire 1 of hollow spherical elastic material; b) A layer of nylon 2 thread; c) Two layers of woven fabric 3; d) A layer of nylon 4 thread; e) A layer of spongy rubber 5 and f) A cover of material such as leather, synthetic leather. 6.
- the fabric 3 is made of flat fabric, of nylon and / or polyester fibers Ia which is cut in pentagon-shaped panels, each one has small horizontal and vertical cut 7 on its surface forming several rows of pentagons, as can be seen in Figure 2.
- the nylon 2 layer and the nylon 5 layer have a maximum weight of 5 grams; These layers harden the ball, whereby the smallest possible amount is placed so as not to harden it and remain as smooth as possible, without losing the resistance to deformation necessary in a Sports Ball.
- the cover 6 is formed by panels in the form of a pentagon and / or hexagon and / or triangle and / or any other shape, made of leather material, synthetic leather, be it PVC (polyvinyl chloride) or PU (polyurethane).
- the Sports Ball object of the Invention Patent application is assembled as follows:
- a layer of nylon thread 2 is placed around the tire 1, then two layers of woven fabric panels 3 are glued taking into account that the panels are crossed on the surface and does not match the overlap of the first layer with that of the second layer; in order that the resistance of the fabric complement each other to achieve greater elasticity without losing resistance.
- a layer of nylon thread 4 is placed to obtain a more even surface, then a layer of spongy rubber 5 is glued and finally the outer panels that make up the cover 6 are glued onto the spongy rubber layer 5 with a high elastic bond overlapping and gluing the edges of a panel with the adjacent one, to give elasticity, softness and resistance to deformation and impermeability, to the product.
- Figure 2 is the front view of the woven fabric panel 3 where the cuts 7 are made that are made to the fabric, forming pentagons on its surface
Abstract
The invention relates to a ball for sports, which is formed as follows: a hollow spherical elastic tyre (1) is inflated with compressed air; a layer of nylon wire (2) is placed around the tyre (1); two layers of woven fabric panels (3) are affixed thereto, such that the panels are positioned across one another on the surface but the first and second layers do not fully overlap; a layer of nylon wire (4) is positioned thereon such as to form a smoother surface; a layer of sponge rubber (5) is affixed thereto; and, finally, outer panels are applied to the rubber layer (5) using an adhesive such as to form a cover (6) thereon, the edges of one panel being affixed to and overlapping the edges of the adjacent panel.
Description
BALÓN PARA DEPORTES SPORTS BALL
INDICACIÓN DE LA ESFERA TECNOLÓGICA.INDICATION OF THE TECHNOLOGICAL SPHERE.
La presente solicitud de Patente de Invención Balón para Deportes se refiere a un Balón que está diseñado para ser utilizado en diferentes juegos deportivos.The present application for a Ball Invention Patent for Sports refers to a Ball that is designed to be used in different sports games.
ESTADO DE LA TÉCNICA.STATE OF THE TECHNIQUE.
Actualmente se conocen los siguientes documentos de patente:The following patent documents are currently known:
Patente de Invención Estados Unidos No. 6.503.162 titulada: "BALL FOR BALL GAME" a nombre de ADIDAS INT BV5 WIOLTEN CORP del 7 de enero de 2003. Se refiere a un balón conformado por un neumático elástico que tiene una forma de un cuerpo hueco generalmente esférico en el cual se carga el aire comprimido; una capa de tela alrededor del neumático y una pluralidad de paneles de cuero unidos sobre Ia capa de caucho, en donde una porción periférica del borde de cada panel de cuero se dobla hacia el interior, una capa reforzada enlazada sobre una parte posterior a los paneles del cuero, y de un grueso que ajusta al miembro que entra en contacto con Ia capa reforzada y siendo rodeada por Ia porción doblada del panel de cuero. La porción periférica del borde del panel de
cuero es doblada hacia el interior por cerca de 180 grados a 90 grados. Se forma una hendidura en Ia porción doblada del panel del cuero. El grueso se ajusta con una tela tejida absorbente del choque.United States Patent No. 6,503,162 entitled: "BALL FOR BALL GAME" in the name of ADIDAS INT BV 5 WIOLTEN CORP of January 7, 2003. It refers to a ball formed by an elastic tire that has a shape of a generally spherical hollow body in which the compressed air is charged; a layer of fabric around the tire and a plurality of leather panels joined on the rubber layer, wherein a peripheral portion of the edge of each leather panel is folded inwards, a reinforced layer bonded on a back to the panels of the leather, and of a thickness that adjusts the member that comes into contact with the reinforced layer and being surrounded by the folded portion of the leather panel. The peripheral portion of the panel edge of Leather is folded inwards by about 180 degrees to 90 degrees. A groove is formed in the folded portion of the leather panel. The thickness is adjusted with a woven fabric shock absorbing.
Patente de Invención Estados Unidos No. 6.685.585 titulada: "BALL FOR BALL GAME" a nombre de ADIDAS INT BV y MOLTEN CORP del 13 de noviembre de 2002, Ia cual se refiere a un Balón para juego de balón el cual comprende un neumático elástico que tiene Ia forma de un cuerpo hueco en el cual el aire comprimido es cargado, se forma una capa reforzada sobre Ia superficie entera del neumático, y una cantidad de paneles de cuero ligados directamente en Ia capa reforzada o a través de una capa cubierta de caucho, en Ia que una parte del borde periférico del panel de cuero es doblado hacia el interior y el miembro de ajuste de espesor es unido en Ia parte de atrás del panel de cuero rodeado por Ia parte doblada del panel de cuero. La parte periférica del panel de cuero se dobla hacia el interior en 180 grados o 90 grados. El panel de cuero es ligado a Ia unión con el panel adyacente de cuero y se forma una hendidura. El miembro de ajuste del espesor es hecho de una tela tejida y un miembro amortiguador.United States Patent No. 6,685,585 entitled: "BALL FOR BALL GAME" in the name of ADIDAS INT BV and MOLTEN CORP of November 13, 2002, which refers to a Ball for ball game which comprises a tire elastic that has the shape of a hollow body in which the compressed air is loaded, a reinforced layer is formed on the entire surface of the tire, and a number of leather panels bonded directly in the reinforced layer or through a covered layer of rubber, in which a part of the peripheral edge of the leather panel is folded inwards and the thickness adjustment member is attached at the back of the leather panel surrounded by the folded part of the leather panel. The peripheral part of the leather panel bends inwards in 180 degrees or 90 degrees. The leather panel is linked to the union with the adjacent leather panel and a groove is formed. The thickness adjustment member is made of a woven fabric and a cushion member.
Patente de Invención Estados Unidos No. 6.971.965 titulada: "BALL FOR BALL GAME AND METHOD FOR
MANUFACTURING THE SAME" a nombre de ADIDAS INTERNATL MARKETING BV del 6 de diciembre de 2005, Ia cual se refiere a un Balón que incluye un neumático; una capa de Ia tela alrededor del neumático; y una capa externa de cuero hecha de una pluralidad de paneles; en donde Ia capa de Ia tela se forma de pedazos de tela donde los bordes marginales se sobreponen, y se cosen junto con un hilo de rosca radialmente dispuesto, en donde Ia posición de los paneles de Ia capa de tela corresponde por Io menos con Ia posición de los paneles de Ia capa externa del cuero. Los paneles de Ia tela abarcan una forma seleccionada del grupo que consiste en un pentágono, un hexágono, un triángulo y combinaciones de estos. La capa de Ia tela se forma de un laminado de dos telas tejidas tales que las deformaciones respectivas de las dos telas tejidas son perpendiculares.United States Patent No. 6,971,965 entitled: "BALL FOR BALL GAME AND METHOD FOR MANUFACTURING THE SAME "in the name of ADIDAS INTERNATL MARKETING BV of December 6, 2005, which refers to a Ball that includes a tire; a layer of the fabric around the tire; and an outer layer of leather made of a plurality of panels; wherein the layer of the fabric is formed of pieces of fabric where the marginal edges overlap, and are sewn together with a radially arranged thread, where the position of the panels of the fabric layer corresponds to at least with the position of the panels of the outer layer of the leather.The panels of the fabric cover a form selected from the group consisting of a pentagon, a hexagon, a triangle and combinations thereof.The layer of the fabric is formed of a laminate of two woven fabrics such that the respective deformations of the two woven fabrics are perpendicular.
Patente de Invención Estados Unidos No. 6491595 titulada: "METHOD OF MANUFACTURING A SPORT BALL HAVING A SELF-CONTAINED INFLATION MECHANISM" a nombre de SPALDING SPORTS WORLDWIDE INC del 10 de diciembre de 2002 Ia cual consiste en un Balón conformado por un neumático elástico; una capa de Ia tela alrededor del neumático; y una capa externa de una pluralidad de paneles de cuero; en donde Ia capa de Ia tela se forma de pedazos de Ia tela donde los bordes marginales se sobreponen, y se cosen junto con un hilo de rosca substancialmente radialmente
dispuesto, en donde una posición de una porción unida de los pedazos de Ia tela en Ia capa de Ia tela corresponde por Io menos substancialmente con una posición de una porción unida de los paneles en Ia capa externa del cuero.Invention Patent United States No. 6491595 entitled: "METHOD OF MANUFACTURING A SPORT BALL HAVING A SELF-CONTAINED INFLATION MECHANISM" in the name of SPALDING SPORTS WORLDWIDE INC of December 10, 2002 which consists of a Ball formed by an elastic tire; a layer of the fabric around the tire; and an outer layer of a plurality of leather panels; wherein the layer of the fabric is formed from pieces of the fabric where the marginal edges overlap, and are sewn together with a thread substantially radially arranged, wherein a position of a joined portion of the pieces of the fabric in the layer of the fabric corresponds at least substantially with a position of a joined portion of the panels in the outer layer of the leather.
OBJETIVO DE LA INVENCIÓN.OBJECTIVE OF THE INVENTION
El objeto de Ia presente solicitud de Patente de Invención es el de producir un Balón para Deportes que mantenga su resistencia, ofreciendo gran suavidad para el juego, especialmente para el juego del fútbol y deportes afines en jugadas en que interviene el uso de Ia cabeza del jugador, ofreciendo muy baja absorción de agua y teniendo gran estabilidad dimensional .The object of the present invention patent application is to produce a Sports Ball that maintains its resistance, offering great softness for the game, especially for the game of football and related sports in plays in which the use of the head of the player, offering very low water absorption and having great dimensional stability.
VENTAJAS DE LA INVENCIÓN.ADVANTAGES OF THE INVENTION
El Balón para Deportes objeto de Ia solicitud de Patente de Invención presenta las siguientes ventajas con relación a los del Estado de Ia Técnica, como son:The Sports Ball object of the Invention Patent application has the following advantages in relation to the State of the Art, such as:
> En el Balón de Ia invención se utiliza una tela tejida plana en forma de pentágono Ia cual tiene pequeños cortadas en su superficie que aumentan su elasticidad proporcionando gran suavidad, al colocarse estas telas
cruzadas se obtiene Ia resistencia requerida para mantener Ia estabilidad dimensional, estas piezas de tela se unen traslapando sus bordes y pegándolos por medio de pegantes.> In the Balloon of the invention a flat woven fabric in the form of a pentagon is used which has small cuts on its surface that increase its elasticity providing great softness, when these fabrics are placed crossed the resistance required to maintain dimensional stability is obtained, these pieces of fabric are joined by overlapping their edges and sticking them by means of glues.
> El balón esta conformado por dos capas diferentes de hilo de diferente peso entre las piezas de tela tejida y Ia capa de caucho, Io cual Ie proporciona mayor resistencia sin perder suavidad, a diferencia de los balones conocidos que solamente llevan una sola capa con gran cantidad de hilo .> The ball is made up of two different layers of yarn of different weight between the pieces of woven fabric and the rubber layer, which provides greater resistance without losing softness, unlike known balls that only carry a single layer with great amount of thread
> La capa exterior esta conformada por piezas hexagonales y/o pentagonales y/o triangulares que se unen una a otra traslapando sus bordes y por medio de pegantes forman una capa continua perfectamente sellada que impide el paso del agua. Esta capa podrá estar o no pegada a Ia capa se caucho subyacente> The outer layer is made up of hexagonal and / or pentagonal and / or triangular pieces that join each other overlapping their edges and by means of glues form a perfectly sealed continuous layer that prevents the passage of water. This layer may or may not be attached to the underlying rubber layer.
> La unión de las piezas de tela al caucho se lleva a cabo mediante el pegado de las piezas, Io cual Ie brinda un punto de fuerza de mayor resistencia a Ia cubierta.
BREVE DESCRIPCIÓN DE LAS FIGURAS.> The joining of the pieces of cloth to the rubber is carried out by gluing the pieces, which gives a point of strength of greater resistance to the cover. BRIEF DESCRIPTION OF THE FIGURES.
Figura 1. Vista en corte del Balón para deportes de Ia invención. Figura 2. Vista frontal de un panel de tela tejida.Figure 1. Section view of the Sports Ball of the invention. Figure 2. Front view of a woven fabric panel.
DESCRIPCIÓN DE LA INVENCIÓN.DESCRIPTION OF THE INVENTION
La presente solicitud de Patente de Invención Balón para Deportes, tal como se aprecia en Ia Figura 1 , esta conformado por las siguientes partes: a) Un neumático 1 de material elástico esférico hueco; b) Una capa de hilo nylon 2; c) Dos capas de tela tejida 3; d) Una capa de hilo nylon 4; e) Una capa de caucho 5 esponjoso y f) Una cubierta de material como cuero, cuero sintético. 6.The present application for a Ball Invention Patent for Sports, as seen in Figure 1, is made up of the following parts: a) A tire 1 of hollow spherical elastic material; b) A layer of nylon 2 thread; c) Two layers of woven fabric 3; d) A layer of nylon 4 thread; e) A layer of spongy rubber 5 and f) A cover of material such as leather, synthetic leather. 6.
La tela 3 es de tejido plano, de fibras de nylon y/o poliéster Ia cual se corta en paneles en forma de pentágono, cada uno lleva en su superficie pequeñas cortadas 7 horizontales y verticales formando varias hileras de pentágonos, tal como se aprecia en Ia Figura 2.The fabric 3 is made of flat fabric, of nylon and / or polyester fibers Ia which is cut in pentagon-shaped panels, each one has small horizontal and vertical cut 7 on its surface forming several rows of pentagons, as can be seen in Figure 2.
La capa de hilo nylon 2 y Ia capa de hilo nylon 5 tienen máximo 5 gramos de peso; estas capas endurecen el balón por Io cual se coloca Ia menor cantidad posible para no endurecerlo y
quede lo más suave posible, sin que se pierda Ia resistencia a Ia deformación necesaria en un Balón para deportes.The nylon 2 layer and the nylon 5 layer have a maximum weight of 5 grams; These layers harden the ball, whereby the smallest possible amount is placed so as not to harden it and remain as smooth as possible, without losing the resistance to deformation necessary in a Sports Ball.
La cubierta 6 esta formada por paneles en forma de pentágono y/o hexágono y/o triangulo y/o de cualquier otra forma, de material de cuero, cuero sintético sea este de PVC (cloruro de polivinilo) o de PU (poliuretano).The cover 6 is formed by panels in the form of a pentagon and / or hexagon and / or triangle and / or any other shape, made of leather material, synthetic leather, be it PVC (polyvinyl chloride) or PU (polyurethane).
ENSAMBLAJE DEL BALÓN.BALL ASSEMBLY.
El Balón para Deportes objeto de Ia solicitud de Patente de Invención se ensambla de Ia siguiente manera:The Sports Ball object of the Invention Patent application is assembled as follows:
Primero se toma el neumático 1 se infla con aire comprimido, se coloca una capa de hilo nylon 2 alrededor del neumático 1, luego se pegan dos capas de paneles de tela tejida 3 teniendo en cuenta que queden cruzados los paneles sobre Ia superficie y no coincida el traslape de Ia primera capa con el de Ia segunda capa; con el fin de que Ia resistencia de Ia tela se complementen para lograr una mayor elasticidad sin perder resistencia. A continuación se coloca una capa de hilo nylon 4 para obtener una superficie más pareja, luego se pega una capa de caucho 5 esponjoso y finalmente se pegan los paneles exteriores que conforman Ia cubierta 6 sobre Ia capa de caucho 5 esponjoso con pegante de alta elasticidad traslapando y
pegando los bordes de un panel con el adyacente, para darle elasticidad, suavidad y resistencia a Ia deformación e impermeabilidad, al producto.First the tire 1 is taken inflated with compressed air, a layer of nylon thread 2 is placed around the tire 1, then two layers of woven fabric panels 3 are glued taking into account that the panels are crossed on the surface and does not match the overlap of the first layer with that of the second layer; in order that the resistance of the fabric complement each other to achieve greater elasticity without losing resistance. Next, a layer of nylon thread 4 is placed to obtain a more even surface, then a layer of spongy rubber 5 is glued and finally the outer panels that make up the cover 6 are glued onto the spongy rubber layer 5 with a high elastic bond overlapping and gluing the edges of a panel with the adjacent one, to give elasticity, softness and resistance to deformation and impermeability, to the product.
La Figura 2 es Ia vista frontal del panel de tela tejida 3 donde se aprecian los cortes 7 que se hacen a Ia tela, formando pentágonos sobre su superficie
Figure 2 is the front view of the woven fabric panel 3 where the cuts 7 are made that are made to the fabric, forming pentagons on its surface
Claims
1. Balón para Deportes CARACTERIZADO se toma el neumático 1 se infla con aire comprimido, se coloca una capa de hilo nylon 2 alrededor del neumático 1, luego se pegan dos capas de paneles de tela tejida 3 teniendo en cuenta que queden cruzados los paneles sobre Ia superficie y no coincida el traslape de Ia primera capa con el de Ia segunda capa; a continuación se coloca una capa de hilo nylon 4 para que quede una superficie más pareja, luego se pega una capa de caucho 5 esponjoso y finalmente se pegan los paneles exteriores que conforman Ia cubierta 6 sobre Ia capa de caucho 5 con pegante traslapando y pegando los bordes de un panel con el adyacente.1. CHARACTERIZED Sports Ball the tire 1 is taken inflated with compressed air, a layer of nylon thread 2 is placed around the tire 1, then two layers of woven fabric panels 3 are glued taking into account that the panels are crossed over The surface and the overlap of the first layer does not coincide with that of the second layer; then a layer of nylon thread 4 is placed so that a more even surface is left, then a spongy rubber layer 5 is glued and finally the outer panels that make up the cover 6 are glued onto the rubber layer 5 with glue overlapping and gluing the edges of a panel with the adjacent one.
2. Balón para Deportes de Ia Reivindicación 1 , CARACTERIZADO PORQUE los paneles que conforman Ia cubierta 6 tienen los bordes traslapados y pegados con el panel adyacente.2. Sports Ball of Claim 1, CHARACTERIZED BECAUSE the panels that make up the cover 6 have the overlapping edges and glued with the adjacent panel.
3. Balón para Deportes de Ia Reivindicación 1 , 
los paneles de Ia tela tejida 3 cada uno lleva "joquenas cortadas 7 horizontales y verticales formando varias hileras de pentágonos en su superficie.3. Sports Ball of Claim 1, the panels of the woven fabric 3 each have "horizontal cut-out jumpers 7 and vertical forming several rows of pentagons on its surface.
4. Balón para Deportes de Ia Reivindicación 1 , CARACTERIZADO PORQUE Ia capa de hilo nylon 2 y Ia capa de hilo nylon 5 tienen máximo 5 gramos de peso. 4. Sports Ball of Claim 1, CHARACTERIZED BECAUSE the layer of nylon thread 2 and the layer of nylon thread 5 have a maximum weight of 5 grams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IB2006/003284 WO2008044088A1 (en) | 2006-10-10 | 2006-10-10 | Ball for sports |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IB2006/003284 WO2008044088A1 (en) | 2006-10-10 | 2006-10-10 | Ball for sports |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2008044088A1 true WO2008044088A1 (en) | 2008-04-17 |
Family
ID=39282467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/IB2006/003284 WO2008044088A1 (en) | 2006-10-10 | 2006-10-10 | Ball for sports |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2008044088A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB538809A (en) * | 1939-03-06 | 1941-08-18 | Milton Benjamin Reach | An improved spherical inflatable, athletic game ball and method of making same |
| US4660831A (en) * | 1985-09-16 | 1987-04-28 | Figgie International Inc. | Inflatable padded game ball |
| JPH06292741A (en) * | 1993-04-08 | 1994-10-21 | Molten Corp | Ball for ball game |
| US20020187887A1 (en) * | 2001-06-11 | 2002-12-12 | Szu-Jen Chen | Exercise ball with an air layer |
| US20030104885A1 (en) * | 2001-11-30 | 2003-06-05 | Duksung Co., Ltd. | Dual embossed cover material for sporting goods and method of making same |
-
2006
- 2006-10-10 WO PCT/IB2006/003284 patent/WO2008044088A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB538809A (en) * | 1939-03-06 | 1941-08-18 | Milton Benjamin Reach | An improved spherical inflatable, athletic game ball and method of making same |
| US4660831A (en) * | 1985-09-16 | 1987-04-28 | Figgie International Inc. | Inflatable padded game ball |
| JPH06292741A (en) * | 1993-04-08 | 1994-10-21 | Molten Corp | Ball for ball game |
| US20020187887A1 (en) * | 2001-06-11 | 2002-12-12 | Szu-Jen Chen | Exercise ball with an air layer |
| US20030104885A1 (en) * | 2001-11-30 | 2003-06-05 | Duksung Co., Ltd. | Dual embossed cover material for sporting goods and method of making same |
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