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JPH09500039A |
The device tests the pressure and the positioning of a player's hand on the grip of sports equipment. The device generates an audible signal of confirmation when a lower threshold of pressure at predetermined locations on the grip are ac...
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JP2521317Y2 |
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JPH08336627A |
PURPOSE: To absorb shock wave while holding pleasant sound of metal by filling a hollow cylindrical body with foam aluminum body and to reduce crack and break damage by improving pressure resisting strength in a metal bat composed of a h...
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JP2562118B2 |
PURPOSE: To make a stick easy in manufacture, simple in assembling, high in locking force and easy in the exchange of parts. CONSTITUTION: A holddown member 50 is fixed onto the tip of a fixed stick 31, and a locking main body 41, a lock...
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JPH08322972A |
To provide a method and a means for adjusting the weight of the swing part of a golf club head. In a golf club head that has a front wall 17 having a rear side 17a and a composite part adhered to the rear side, the composite part include...
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JPH08299513A |
PURPOSE: To buffer the impact waves of a metallic bat consisting of a hollow cylindrical body while maintaining the clear sound of metal and to improve its pressure resistance strength so as to lessen the crack and breakage thereof by pa...
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JPH08299512A |
PURPOSE: To provide a method for producing the head part of a metallic bat with simple stages without the possibility of removal of a front end cap. CONSTITUTION: The front end cap 10a formed on a disk shape having a toric recessed part ...
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JPH08280861A |
PURPOSE: To provide a golf club, which is in particular used favorably in playing a mallet golf, by reinforcing the shaft part near the base part for installing a head, and thereby making the shaft unlikely to break and also optimizing t...
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JP2547508B2 |
PURPOSE: To acquire the twist resistance at an impact and to execute the delayed transmission of the momentum to a golf ball during a stroke. CONSTITUTION: As materialized like the head of a metallic body 11, this club head is formed so ...
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JPH08509622A |
A biosensor feedback device for use in detecting grip pressure of a hand against the handle of a sporting implement (12). The device includes a flexible thin film substrate which is comfortable to the handle of the sporting implement (12...
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JPH08257187A |
PURPOSE: To make vibrations hard to transmit, improve the high-impact and instantaneous repulsion properties when a bat hits a ball, by a method wherein at least a part of the batting part is made of pure titanium or titanium alloy pipe,...
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JPH08243197A |
To provide a golf club shaft with lightness, flexibility and stiffness by separating the plural layers of peripheral wall with partition layer of isotropic material along the particular proportion of the length of the tubular form, and s...
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JPH08243199A |
PURPOSE: To naturally and three-dimensionally form objects consisting of raised cloth pictures and to enhance merchandise value by forming a base plate relatively longitudinally long, forming a clamping part relatively short and providin...
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JP2534963B2 |
PURPOSE: To assure the long-term use of the racket, and to make it possible to play comfortable ballgames by eliminating vibrations, by making the corresponding sleeve have a sleeve hole larger than the size inside the frame of the longi...
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JP2510886Y2 |
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JPH08229175A |
PURPOSE: To provide an excellent ping-pong tool for sound development of such a sport as ping-pong and for healthy growing of youth people by solving a problem which has occurred because of high content of an org. solvent being toxic to ...
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JP2509209Y2 |
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JPH08215360A |
PURPOSE: To provide a rubber for table tennis with high repulsion when a driving ball is hit and low resiliency when a cut ball is hit. CONSTITUTION: This rubber is constituted in such a way that the cylindrical projection 1 of a rubber ...
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JP2508460Y2 |
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JP2508248Y2 |
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JP2507397Y2 |
The stiffness of a tennis racket is adjusted so that the first mode of bending of the racket under free-free constraint conditions is between 170 Hz and 250 Hz preferably between 200 Hz and 210 Hz. The second mode of bending under clampe...
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JP2524265B2 |
PURPOSE: To increase the speed of recovery from elastic deformation by forming a core part arrayed with small spaces partitioned by ribs and an inside pipe in the ball hitting part in a bat body and decreasing the elastic deformation of ...
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JP2521514B2 |
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JPH08507228A |
A tennis racquet has a frame which includes a frame head portion with an outwardly facing stringing groove and an inwardly facing surface which is generally convex. The stringing groove includes a pair of angled side wall surfaces. A ser...
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JPH08196668A |
To improve distribution of the weight to the peripheral direction, by forming two recesses in a putter body extending length of face between the heel part and the toe part, and forming a shaft bore separated from respective recesses and ...
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JP2505497Y2 |
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JPH08191909A |
PURPOSE: To provide a process for producing an FRP bat capable of improving the moldability at the peripheral edge of the front end of the FRP bat produced by an RIM molding method and facilitating balance adjustment. CONSTITUTION: A rec...
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JPH08188754A |
PURPOSE: To obtain the subject product capable of firmly fixing rubber on a racket face in using, readily separating from the racket face and the rubber in renewing of rubber and readily washing stuck dust, etc., on the adhered face by c...
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JPH08182785A |
PURPOSE: To provide a racket for table tennis which can increase the speed and rotation of a ball in the attack and surely drive back the ball without being led astray by the opponent's speed ball and rotating ball in the defence. CONSTI...
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JPH08182796A |
PURPOSE: To rapidly produce a profile pole by one process using a metal pipe as a material. CONSTITUTION: A pair of molding roller 2a, 2b each having a molding groove having an almost U-shaped cross section formed on the peripheral surfa...
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JPH08173581A |
PURPOSE: To enhance a scooping-up quantity of a ball by improving an entrance of a stick head to a ball in both reverse stroke play and fore stroke play in hockey play. CONSTITUTION: A hockey stick is manufactured in such a way that on t...
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JPH08168543A |
PURPOSE: To provide a mallet golf club with which erroneous shot as rubbing the land with a head can not be performed and the central part of the hitting plane of the head can be easily matched with a ball. CONSTITUTION: A mallet golf cl...
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JPH08168542A |
PURPOSE: To considerably extend the flying distance of a ball by longitudinally forming a lot of respective grind line shaped spots along the lengthwise direction of the metallic bat. CONSTITUTION: Concerning this bat 1, a lot of grind l...
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JPH08164230A |
PURPOSE: To provide a grip which is excellent in wetness and firmness without deteriorating the physical properties such as elongation and hardness. CONSTITUTION: A grip is made of a rubber composition in which 10 to 150wt. parts of petr...
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JP2500935Y2 |
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JP2505667B2 |
A squash racket has a frame with a head portion (22), a throat portion (23), and a shaft portion (24) which terminates in a handle portion (25). The racket is lighter than prior squash rackets, and the balance point or center of gravity ...
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JPH08141124A |
PURPOSE: To provide a double-sided pressure sensitive adhesive sheet capable of safely and quickly bonding the rubber of a table tennis racket without impairing the flexibility of the rubber. CONSTITUTION: This double-sided pressure sens...
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JP2501073B2 |
PURPOSE: To provide a racket which has a frame member to support a net whose tension is kept by elastic bands, and in which the impact energy between a ball and the net can be effectively transmitted to the ball. CONSTITUTION: The net 38...
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JPH08504351A |
A monoshaft tennis racquet has a frame head that circumscribes a stringing area, and a shaft connected to the opposite ends of the head. Either the head or the shaft, and preferably both, are formed of a composite material. The racquet p...
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JPH08103520A |
To provide a blade for an indoor bandy stick which is capable of silently retaining and moving a ball, and capable of releasing the ball in a watch-out direction correctly. The blade has top-edge and bottom edge lengthwise reinforcing ri...
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JPH0898909A |
PURPOSE: To provide a swing training bat, by which on swinging the bat, as if a ball is batted, a response and an impact sound are generated so as to enjoy swing training alone. CONSTITUTION: An orbital cylinder 2 is disposed along the l...
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JPH0832800B2 |
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JPH08502677A |
PCT No. PCT/SE93/00875 Sec. 371 Date Jul. 17, 1995 Sec. 102(e) Date Jul. 17, 1995 PCT Filed Oct. 26, 1993 PCT Pub. No. WO94/09864 PCT Pub. Date May 11, 1994A racket handle for a racket includes grooves for positioning a player's fingers ...
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JPH0824730B2 |
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JPH0857095A |
PURPOSE: To provide a hit practicing machine by which simulation of pitching condition becomes possible by throwing a ball in a constant and repeatable throwing orbit against a hitter in order to increase an effect of hitting training. C...
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JPH0852245A |
PURPOSE: To provide a training means for table tennis which enables a player to do training to have a ball hitting feel and to catch a ball hitting point similar to those with training having an opponent for training by actually hitting ...
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JPH08501712A |
PCT No. PCT/EP93/02707 Sec. 371 Date Mar. 31, 1995 Sec. 102(e) Date Mar. 31, 1995 PCT Filed Oct. 4, 1993 PCT Pub. No. WO94/07577 PCT Pub. Date Apr. 14, 1994A tennis practice device comprises a housing made of two oval elements. The two e...
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JPH0847554A |
PURPOSE: To surely prevent dislodgment of a sole plate of a golf club head mounted with this sole part so as to cover an aperture opened in the sole part of a metallic head body by forming a supporting part which has plural holes and wit...
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JPH08501476A |
The invention is a baseball bat having a handle portion and an end portion, the end portion having a generally cylindrical surface, and a striking portion, the surface of the striking portion impressed with a plurality of shallow depress...
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JPH088939B2 |
A grip for use on the extending end of the shaft of a golf club is provided with an especially configured array of longitudinally extending grooves which are in direct opposition to the rotation of the golf club about the longitudinal ax...
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