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JP3288004B2 |
To provide a tennis racket capable of accelerating a swing speed further and hitting a more repulsive and more speedy tennis ball. This tennis racket is constituted of a frame part 2, a shaft part 3 and a grip part 4. Near the lower end ...
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JP2002136623A |
To provide an excellent reinforcement of a racket frame.This racket frame has a tubular body 18. The tubular body 18 has an intermediate part 22, and a reinforcing means 26 is provided near the intermediate part. The reinforcing means fo...
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JP3272679B2 |
To control a tennis ball well through two-step flexible effects similar to those produced by the human elbow and wrist to drive the ball at sharp angles by providing first flexible parts at the upper end of a shaft and second flexible pa...
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JP3267901B2 |
To hold a swinging tool by a method wherein a holder for the swinging tool in a trial device for carrying out a swinging test such as a tennis racket or the like is brought close to a state that a person grips the swinging tool. A rubber...
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JP3264602B2 |
PURPOSE: To suppress vibration generated in a racket frame when a player strikes a ball, produce a comfortable sense of striking ball, prevent damage and enhance the repulsive characteristics. CONSTITUTION: In a position on a racket fram...
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JP2002506702A |
A removable grip (1) to fit over an existing grip of a handheld sporting article of the kind substantially encircled by the hand or hands of a user. The grip (1) includes well defined indentations (13 to 21) to dictate the exact position...
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JP2002058764A |
To provide a steel pipe for a golf shaft excellent in strength, light, high in torsional rigidity, and giving accurate directionality of a hitted ball.In this manufacturing method of the pipe for a golf club shaft made of marageing steel...
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JP2002048186A |
To provide a dynamic damper which can be used without worrying about degradation of safety or appearance aggravation and has enough relaxation/reduction actions against impulsive vibration.The appearance aggravation is prevented by emplo...
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JP2002035171A |
To provide a racket frame which achieves a higher restitution characteristic and a surface stability at hitting without degrading appearance.A mesh sheet 10 comprising metallic material with the specific gravity of 8.0 or more and furthe...
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JP2002035169A |
To provide a tennis racket which achieves a quick reference of shot touch and weight for higher convenience in purchase and use.The tennis racket has a display of characteristics having alphabet indicating shot touch and numerals corresp...
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JP2002035170A |
To provide a racket frame which achieves excellent restitution characteristic in addition to excellence in lighter weight and operability and moreover secures a sufficient strength to hold gut spread with a higher tension.An inner wall 1...
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JP2002027872A |
To provide a fishing or sport article member which maintains a strength, is light, has an excellent appearance, and does not cause the damage or peeling of a letter, a pattern, or the like formed on the surface.The surface of a tubular m...
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JP2002028263A |
To provide a racket frame which can achieve a good repulsion characteristic and controllability by reducing a impact to the hand of a player.The impact point P is set near a region of a node 8a of vibration existing on the top side of th...
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JP3248594B2 |
PURPOSE: To prepare the seal capable of stably adhering a leaf such as a gold leaf to an article and having a leaf pattern not deteriorated in its color and luster even after its storage and employment for a long period, and to provide a...
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JP2002001849A |
To provide a laminated tube which simplifies a manufacturing operation and has a large effect of decoration in terms of design.A high-brightness sheet (6) of a prescribe length is provided on the outer periphery of a tube body (2) of the...
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JP2002000782A |
To provide an article having a brilliant decoration part provided with contrast in an outer surface of the article keeping coordination with brilliant decoration.In the article having a brilliant decoration part 4, a synthetic resin laye...
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JP2002000770A |
To provide a badminton racket solving a problem such as unstable transmission of force to a head part connected to a shaft at a single spot and difficult to precisely hit a shuttlecock in a conventional one.In this badminton racket, a sh...
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JP2001353235A |
To provide a racket for competition capable of reducing impact by heightening the mobility of a string to the outside of the plane of a string head.This racket for competition has a support member at a head part of a frame, and the inner...
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JP2001346913A |
To provide a racket frame with which excellent vibration attenuatable in hitting may be obtained and appearance not to exert an odd feel during playing may be included while the racket frame is light in weight and is excellent in operabi...
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JP2001341126A |
To provide a metal-hybrid prepreg which gives a prepreg product excellent in strength. appearance, and touch in use.In the metal-hybrid prepreg, a reinforcing fiber prepreg of a 5-30 μm fiber diameter is made a base layer, metal wires o...
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JP2001327635A |
To provide a sporting tool improved in adhesion strength of a paint film layer formed on the surface of the sporting tool body thereof even if the sporting tool is formed of any material.The upper surface of a titanium alloy-made head bo...
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JP3233576B2 |
To obtain a light weight and an excellent appearance by a method wherein parts for fishing and sporting goods are composed of a fiber reinforced material in which reinforcing fibers arranged properly in a specific direction are impregnat...
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JP3230968B2 |
To make the color development due to interference visually recognizable by forming a finely roughened surface reflecting light on the surface, forming a transparent layer having a thickness causing interference on the rugged surface and ...
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JP2001299966A |
To provide a light and environmentally friendly racket frame having high strength and the excellent property of vibration damping. Metal powder 21 is mixed with a nonmetallic matrix material 22 composed of either of a resin, rubber and/o...
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JP3224006B2 |
PURPOSE: To prevent the bending of a product and to provide a tubular body to be easily manufactured by balancing with the bending moment generated due to temperature change owning to the irregularity in the thickness and the inclination...
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JP2001293108A |
To provide a flexible racket for practice, which can make a player acquire a form advantageous for controlling ball hitting without harming the joints. This flexible racket 1 for practice, preferably a part, is constituted of a low rigid...
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JP3219242B2 |
To improve the strength of a tubular body by setting a continuous reeling length of a main fiber of a pre-preg in its longitudinal direction at a twice-reeling length or less. A first pair of pre-pregs C1, C1' in which carbon fiber is us...
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JP2001279194A |
To reduce the vibration and impact of a tennis racket made of a fiber reinforced plastic in use and to render the racket lightweight. A vibration damper 14 having a viscoelastic material 16 made of a thermoplastic elastomer and a mass-in...
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JP2001276280A |
To provide a racket frame allowing a comfortable sense of stroking a ball to be obtained at the time of stroke and making fatigue hard to cause to the wrist, elbow, and the like, of a player by reducing the shock and vibration propagated...
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JP2001516632A |
The present invention relates generally to grips for sports equipment such as golf clubs, tennis racquets, baseball bats and the like and relates to swelling solvents and the use of swelling solvents to expand a generally tubular or cyli...
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JP2001269424A |
To eliminate shortcomings such that for a force applied to a racket frame at the time of a ball-hitting, a force wherein forces in the in-plane direction and the inplane direction of the ball-hitting surface are synthesized is applied, a...
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JP2001269423A |
To provide a racket wherein the replacement of a gut can be easily and simply performed. This racket 1 comprises a frame 11 and a ball-hitting surface section 21. In this case, for the frame 11, an opening 14 which expands on the vertica...
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JP3204627B2 |
To provide a fiber-reinforced plastic molding having excellent strength and vibration damping properties in the molding having matrix resin made of epoxy resin. Four composite sheets (23A to 23D) each obtained by adhering an ionomer film...
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JP2001231900A |
To provide a tubular body having a laminated structure effectively utilizing excellent compression strength of metal fibers to the maximum degree to improve bend strength, and provided with a high strength to weight, and around which a h...
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JP2001512171A |
The invention concerns an object with improved grip, whereof at least one part designed to be in contact with the hand is coated with an effective amount of a polymer further comprising a main chain, lateral perfluoroalkyl groups and lat...
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JP3079318U |
A game racket frame is formed of a main body and a wooden layer. The main body is formed of an annular head with string holes, a handle, and a neck connecting the head and the handle. The head and the neck are made of a plurality of fabr...
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JP2001204852A |
To provide a racket superior in vibration absorbing characteristic by improving a paint to be applied to the racket. This racket having a head portion, a throat portion, a shaft portion, a grip portion and a yoke comprises a coating, con...
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JP3187836B2 |
A sheet material which includes an apertured top layer formed of a non-absorbant, thermally non-conductive thermoplastic material, a non-woven layer having a first portion formed of a mixture of moisture-wicking and moisture-absorbent fi...
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JP2001170219A |
To provide a tennis racket which is free of an odd feel in its appearance and shape, is wide in a sweet area and has high strength.A face part 2C of the tennis racket 1C has an outer peripheral edge of a round shape and its inner periphe...
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JP3179247B2 |
PURPOSE: To provide a resin molding material having a high specific gravity suitable as the wt. adjusting material of a sports related member, especially, a golf head. CONSTITUTION: Fine metal particles having a specific gravity of 11 or...
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JP2001149509A |
To improve the power and control of a racket.This sporting racket 1 includes a handle 4 and a frame 5 and the frame includes a head portion 6, an intermediate portion 7, a throat element 8 and a shank element 9. Further, the racket inclu...
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JP3172453B2 |
To locate lead, for attachment to a grip of a tennis racket, on the end of the grip in a concentrative manner. In a fiber-reinforced resin racket frame, a part 12 of lead to be located on a grip 11 as a weight balance is integrally molde...
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JP2001137390A |
To provide a badminton racket that has an appropriate lightweight mass, has an appropriately increased moment of inertia, is easy to swing through, helps gain a force, and helps secure the stability of the face. A badminton racket having...
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JP2001112900A |
To provide a racket for table tennis wherein a ball can be hit by the forehand or backhand in a stable manner regardless of 'penholder type' or 'shake-hands type' and regardless of a beginner or a skilled player. In the racket, a bar-sha...
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JP3159592B2 |
PURPOSE: To provide an article having light weight and high strength and reliability free from generation of crack and peeling, holding a decoration having excellent appearance and useful for fishing gear, etc. CONSTITUTION: A synthetic ...
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JP2001106800A |
To obtain a resin composition for a fiber-reinforced composite material excellent in impact resistance, interlaminar shear strength, molding processability, etc., and suitable for sports uses. This resin composition for the fiber-reinfor...
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JP2001095949A |
To provide a racket frame, which can ensure a sufficient strength to hold a gut being stretched by a high tension, while being a racket frame which is lightweight and is excellent in operability. A gap W for the internal walls 12a and 12...
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JP2001070490A |
To make it possible easily mold a grip part of sporting goods, such as a golf club, so as to meet a user and to use the sporting goods in an optimum state by forming the grip part of a thermoplastic resin having a softening temperature h...
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JP2001070481A |
To obtain a badminton racket having power, good control performance and high strength over the entire part. The badminton racket is formed by adding a fitting pipe 50 different from a middle pipe 20 to the front end of a handle 40 and co...
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JP2001061998A |
To design a lightweight racket and to improve its repulsive efficiency by determining a specific value of a number of gut holes providing at a gut spreading section surrounding a face surface as a hitting surface. A frame of a tennis rac...
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