FR2883483A1 - Fibrous reinforcing plate for table tennis racket, has fibrous reinforcing frames constituted of carbon, aramid fiber or glass plates, where plates are covered by foam and rubber plates and frames are impregnated with thermosetting resin - Google Patents
Fibrous reinforcing plate for table tennis racket, has fibrous reinforcing frames constituted of carbon, aramid fiber or glass plates, where plates are covered by foam and rubber plates and frames are impregnated with thermosetting resin Download PDFInfo
- Publication number
- FR2883483A1 FR2883483A1 FR0502840A FR0502840A FR2883483A1 FR 2883483 A1 FR2883483 A1 FR 2883483A1 FR 0502840 A FR0502840 A FR 0502840A FR 0502840 A FR0502840 A FR 0502840A FR 2883483 A1 FR2883483 A1 FR 2883483A1
- Authority
- FR
- France
- Prior art keywords
- plates
- fibrous reinforcing
- frames
- plate
- table tennis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000011521 glass Substances 0.000 title claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 10
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 10
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 7
- 229920001971 elastomer Polymers 0.000 title claims abstract description 6
- 239000006260 foam Substances 0.000 title claims abstract description 6
- 239000005060 rubber Substances 0.000 title claims abstract description 6
- 229920005989 resin Polymers 0.000 title claims abstract description 5
- 239000011347 resin Substances 0.000 title claims abstract description 5
- 229920001187 thermosetting polymer Polymers 0.000 title claims abstract description 4
- 229920006231 aramid fiber Polymers 0.000 title abstract 2
- 239000004744 fabric Substances 0.000 claims abstract description 9
- 230000002787 reinforcement Effects 0.000 claims description 12
- 229920000271 Kevlar® Polymers 0.000 claims description 8
- 239000004760 aramid Substances 0.000 claims description 8
- 229920003235 aromatic polyamide Polymers 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 8
- 239000004761 kevlar Substances 0.000 claims description 8
- 239000002023 wood Substances 0.000 claims description 6
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 238000006116 polymerization reaction Methods 0.000 claims description 2
- 238000010411 cooking Methods 0.000 claims 1
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000002390 adhesive tape Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000005007 epoxy-phenolic resin Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 102220057899 rs372068015 Human genes 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/04—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by at least one layer folded at the edge, e.g. over another layer ; characterised by at least one layer enveloping or enclosing a material
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B59/00—Bats, rackets, or the like, not covered by groups A63B49/00 - A63B57/00
- A63B59/40—Rackets or the like with flat striking surfaces for hitting a ball in the air, e.g. for table tennis
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B59/00—Bats, rackets, or the like, not covered by groups A63B49/00 - A63B57/00
- A63B59/40—Rackets or the like with flat striking surfaces for hitting a ball in the air, e.g. for table tennis
- A63B59/42—Rackets or the like with flat striking surfaces for hitting a ball in the air, e.g. for table tennis with solid surfaces
- A63B59/45—Rubber parts thereof; characterised by bonding between a rubber part and the racket body
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/10—Next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/10—Layered products comprising a layer of natural or synthetic rubber next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/245—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it being a foam layer
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2102/00—Application of clubs, bats, rackets or the like to the sporting activity ; particular sports involving the use of balls and clubs, bats, rackets, or the like
- A63B2102/16—Table tennis
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2209/00—Characteristics of used materials
- A63B2209/02—Characteristics of used materials with reinforcing fibres, e.g. carbon, polyamide fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0261—Polyamide fibres
- B32B2262/0269—Aromatic polyamide fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Laminated Bodies (AREA)
Abstract
Description
-1- 2883483-1- 2883483
La présente invention concerne une amélioration du revêtement traditionnel des raquettes de tennis de table en collant une plaque de renfort fibreux (9) carbone (3), Aramide (Kevlar) (4), ou verre (5) sur un corps bois (1). The present invention relates to an improvement of the traditional coating of table tennis rackets by gluing a fibrous reinforcement plate (9) carbon (3), Aramid (Kevlar) (4), or glass (5) on a wooden body (1) .
Un revêtement classique du corps bois composé de plaques mousse (6) et caoutchouc (7) ne permet pas d'optimiser les propriétés d'effet et de vitesse sur la balle. A conventional coating of the wood body consisting of foam plates (6) and rubber (7) does not optimize the effects and speed properties on the ball.
Les matériaux composites permettent grâce à leurs propriétés d'accélérer la vitesse de la balle et d'améliorer son contrôle. Cette amélioration technique permet d'optimiser les performances du joueur qu'il soit amateur ou confirmé. The composite materials allow thanks to their properties to accelerate the speed of the ball and improve its control. This technical improvement can optimize the performance of the player whether amateur or confirmed.
Le dispositif selon l'invention permet d'améliorer la qualité du jeu par le rajout d'une plaque carbone (3), aramide (kevlar) (4), verre (5) dans la composition sandwich de la raquette de tennis de table. The device according to the invention improves the quality of the game by the addition of a carbon plate (3), aramid (Kevlar) (4), glass (5) in the sandwich composition of the table tennis racket.
Les armatures de renfort fibreux (2) utilisées pour réaliser les plaques de l'invention (9) sont de type tissus 20 pré-imprégnés ou tissus sec. The fibrous reinforcing reinforcements (2) used to produce the plates of the invention (9) are of the pre-impregnated fabrics or dry fabrics type.
Les armatures en taffetas, satin, gaze, sergé, haut module serviront pour la production. Taffeta, satin, gauze, twill and high modulus reinforcement will be used for production.
Les plaques de l'invention (9) peuvent être également réalisées par une armature décrite précédemment et 25 imprégnées d'une résine thermodurcissable. The plates of the invention (9) can also be made by a reinforcement described above and impregnated with a thermosetting resin.
Les résines utilisées peuvent être de composition polyester, résine époxy ou résine phénolique. The resins used may be of polyester composition, epoxy resin or phenolic resin.
La plaque composite (8) est destinée à être façonnée, redimensionnée afin de pouvoir s'adapter à tous types de 30 raquettes standardisées {10). The composite plate (8) is intended to be shaped, resized to fit all types of standardized rackets {10).
Le résultat des opérations aboutira à finaliser la plaque évolutive de l'invention (9) suivant les dimensions et formes de raquettes commercialisées. The result of the operations will result in finalizing the evolutionary plate of the invention (9) according to the size and shape of rackets marketed.
L'armature de la plaque de carbone (3), d'aramide (kevlar) (4), ou de verre (5), dont le nombre de plis varie en fonction de l'effet escompté, devra être constituée de 1 à 7 plis d'une épaisseur de 0,1 mm à 2 mm et réalisée selon un procédé de moulage à chaud (étuve ou autoclave sousvide). The reinforcement of the carbon (3), aramid (kevlar) (4) or glass (5) plate, the number of plies of which varies according to the desired effect, should consist of 1 to 7 plies with a thickness of 0.1 mm to 2 mm and carried out by a hot molding process (sousvide oven or autoclave).
Cette solution technique permet de restituer toutes les propriétés des matériaux composites. This technical solution makes it possible to restore all the properties of the composite materials.
Les plaques de carbone (3), d'aramide (kevlar) (4), de 10 verre (5) seront ensuite recouvertes d'un revêtement classique existant (mousse (6) ou / et caoutchouc (7)). The carbon (3), aramid (Kevlar) (4) and glass (5) plates will then be covered with an existing conventional coating (foam (6) and / or rubber (7)).
L'encollage au bois (1) des plaques carbone (3), aramide (kevlar) (4), verre (5) est réalisé par l'application d'une colle adaptée (11). The wood gluing (1) carbon plates (3), aramid (Kevlar) (4), glass (5) is achieved by the application of a suitable glue (11).
Une fois le revêtement de type sandwich achevé, une bande adhésive (12) coiffera l'ensemble de la composition. Les dessins annexés illustrent l'invention: La figure 1 représente la plaque composite de l'invention (9) évolutive découpée et finalisée. Once the sandwich-type coating is complete, an adhesive tape (12) will cover the entire composition. The accompanying drawings illustrate the invention: FIG. 1 represents the composite plate of the invention (9) scalable cut and finalized.
La figure 2 représente les dimensions de la plaque en composite polymérisée (168mm*168mm). Figure 2 shows the dimensions of the polymerized composite plate (168mm * 168mm).
La figure 3 représente en coupe les différentes couches des armatures: Coupe B-B1: carbone - Coupe B-B2 + détail: verre, aramide (kevlar), verre - Coupe B-B3: aramide (kevlar) - Coupe B-B4: verre. FIG. 3 shows in section the different layers of the reinforcements: B-B1 cut: carbon - B-B2 cut + detail: glass, aramid (Kevlar), glass - B-B3 cut: aramid (Kevlar) - Cut B-B4: glass.
La figure 4 représente une raquette classique (10) intégrant dans sa composition sandwich la plaque de renfort 30 fibreux de l'invention (9) ainsi que tous les autres corps constitutifs d'une raquette de tennis de table. FIG. 4 shows a conventional racket (10) incorporating in its sandwich composition the fibrous reinforcing plate of the invention (9) as well as all the other constituent bodies of a table tennis racket.
La figure 5 représente en coupe (A-A) la superposition des différents corps. Figure 5 shows in section (A-A) the superposition of the different bodies.
Pour détailler un mode de réalisation de l'invention (9), nous avons opté pour l'utilisation d'un moule en aluminium lisse de 500mm*500mm d'une épaisseur de 20mm enduit d'un agent démoulant préconisé. La découpe des renforts fibreux (2) préalablement imprégnés réalisée en usine avec une matrice dont la viscosité à froid a permis la mise en place des plis sur le moule. To detail an embodiment of the invention (9), we opted for the use of a smooth aluminum mold of 500mm * 500mm with a thickness of 20mm coated with a recommended release agent. The cutting of fibrous reinforcements (2) previously impregnated made in the factory with a matrix whose cold viscosity allowed the establishment of folds on the mold.
Pour l'invention de référence, nous avons opté pour un tissu pré-imprégné de carbone de deux plis M26T/50%/G939, avec une superposition de tissu d'arrachage, tissu perforé et feutrine. For the reference invention, we opted for a two-ply carbon prewoven fabric M26T / 50% / G939, with a superposition of tear-off fabric, perforated fabric and felt.
Les plis sont placés sur un moule à plat. On procède ensuite à la réalisation d'une poche sous-vide. Succède alors une phase de polymérisation à chaud avec cuisson autoclave à une température T> 120 C. The folds are placed on a flat mold. Subsequently, a vacuum bag is produced. Then follows a hot polymerization phase with autoclaving at a temperature T> 120 C.
Afin d'obtenir la plaque composite finalisée (9), il est nécessaire de numériser ou d'avoir les plans de la raquette (10) La plaque finalisée (9) a subit une découpe industrielle 20 par machine fraiseuse avec un outil diamant. In order to obtain the finalized composite plate (9), it is necessary to digitize or have the snowshoes plans (10) The finalized plate (9) has undergone an industrial cutting 20 by a milling machine with a diamond tool.
La plaque de l'invention est ensuite collée au corps bois (1) Les mousses (6) et caoutchoucs (7) sont enfin collés à la plaque composite finalisée (9). The plate of the invention is then glued to the wood body (1) The foams (6) and rubbers (7) are finally glued to the final composite plate (9).
L'ensemble de l'ouvrage technique est finalisé par un ruban adhésif (12). The entire technical work is finalized by an adhesive tape (12).
Le dispositif selon l'invention est particulièrement destiné à l'amélioration des raquettes de tennis de table. The device according to the invention is particularly intended for the improvement of table tennis rackets.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0502840A FR2883483A1 (en) | 2005-03-22 | 2005-03-22 | Fibrous reinforcing plate for table tennis racket, has fibrous reinforcing frames constituted of carbon, aramid fiber or glass plates, where plates are covered by foam and rubber plates and frames are impregnated with thermosetting resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0502840A FR2883483A1 (en) | 2005-03-22 | 2005-03-22 | Fibrous reinforcing plate for table tennis racket, has fibrous reinforcing frames constituted of carbon, aramid fiber or glass plates, where plates are covered by foam and rubber plates and frames are impregnated with thermosetting resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2883483A1 true FR2883483A1 (en) | 2006-09-29 |
Family
ID=35355144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR0502840A Withdrawn FR2883483A1 (en) | 2005-03-22 | 2005-03-22 | Fibrous reinforcing plate for table tennis racket, has fibrous reinforcing frames constituted of carbon, aramid fiber or glass plates, where plates are covered by foam and rubber plates and frames are impregnated with thermosetting resin |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2883483A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013139856A1 (en) * | 2012-03-21 | 2013-09-26 | Michael Schneider | Two-dimensional element for forming part of a sports device or musical instrument |
| WO2015192768A1 (en) * | 2014-06-16 | 2015-12-23 | 艺爵包装有限公司 | Table tennis bat |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1436436A (en) * | 1973-11-03 | 1976-05-19 | Dunlop Ltd | Table-tennis bats |
| GB1514625A (en) * | 1975-07-24 | 1978-06-14 | Nissei Co Ltd | Table tennis bat |
| EP0259121A2 (en) * | 1986-09-02 | 1988-03-09 | Toray Industries, Inc. | Light-weight composite material |
| JPH01256983A (en) * | 1988-04-06 | 1989-10-13 | Hidetaro Okada | Ping-pong racket |
| DE3826986A1 (en) * | 1988-08-09 | 1990-02-15 | Jean Werner Dequet | Table tennis bat |
| JPH0731702A (en) * | 1993-07-21 | 1995-02-03 | Tamasu:Kk | Racket for table tennis |
| EP1473064A1 (en) * | 2003-04-30 | 2004-11-03 | Tamasu Co., Ltd | Blade of a table tennis racket and table tennis racket |
-
2005
- 2005-03-22 FR FR0502840A patent/FR2883483A1/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1436436A (en) * | 1973-11-03 | 1976-05-19 | Dunlop Ltd | Table-tennis bats |
| GB1514625A (en) * | 1975-07-24 | 1978-06-14 | Nissei Co Ltd | Table tennis bat |
| EP0259121A2 (en) * | 1986-09-02 | 1988-03-09 | Toray Industries, Inc. | Light-weight composite material |
| JPH01256983A (en) * | 1988-04-06 | 1989-10-13 | Hidetaro Okada | Ping-pong racket |
| DE3826986A1 (en) * | 1988-08-09 | 1990-02-15 | Jean Werner Dequet | Table tennis bat |
| JPH0731702A (en) * | 1993-07-21 | 1995-02-03 | Tamasu:Kk | Racket for table tennis |
| EP1473064A1 (en) * | 2003-04-30 | 2004-11-03 | Tamasu Co., Ltd | Blade of a table tennis racket and table tennis racket |
Non-Patent Citations (2)
| Title |
|---|
| PATENT ABSTRACTS OF JAPAN vol. 014, no. 014 (C - 674) 12 January 1990 (1990-01-12) * |
| PATENT ABSTRACTS OF JAPAN vol. 1995, no. 05 30 June 1995 (1995-06-30) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013139856A1 (en) * | 2012-03-21 | 2013-09-26 | Michael Schneider | Two-dimensional element for forming part of a sports device or musical instrument |
| WO2015192768A1 (en) * | 2014-06-16 | 2015-12-23 | 艺爵包装有限公司 | Table tennis bat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |
Effective date: 20141128 |