| Document |
Document Title |
|
JP2558410B2 |
PURPOSE: To improve a restitution force and a control function of a batted ball for the gut stringing method on the racket head, by forming lengthwise and breadthwise guts independently and uniformizing elasticity distribution on the net...
|
|
JP2548877B2 |
PURPOSE: To provide a string having a good balance together with excellent hitting performance, long durability and high stretchability are provided by using fibers containing fluorine as fibers at least in a part constituting a sheath s...
|
|
JP2548848B2 |
PURPOSE: To provide the gut which has high durability and can be easily extended to a racket by building insert yarn consisting of monofilament yarn or multifilament yarn around core yarn and between the braiding structures of skin yarn....
|
|
JPH08280850A |
PURPOSE: To provide a string excellent in the durability by forming a core from specific monofilament, winding round a specific fiber as an intermediate covering layer, winding thereover a side thread consisting of a specific monofilamen...
|
|
JPH08280851A |
PURPOSE: To protect a gut and frame and facilitate sigmoidal stretched setting of the gut by enforcing to the frame such a gut setting adapter system that the part serving for stretched setting of the gut and formation of gut meshing is ...
|
|
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...
|
|
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...
|
|
JPH08187307A |
PURPOSE: To provide a synthetic gut blank having excellent repulsive force and durability, the impact absorbability, spinnability and ball hitting feel similar to those of natural gut and excellent long-term stability of performance. CON...
|
|
JP2508947B2 |
PURPOSE: To upgrade spinning efficiency significantly by enabling the maximizing of a tension ratio of main to cross strings. CONSTITUTION: A string stretching portion 11 of a frame is formed in a ring with a vertical width (W1) of a str...
|
|
JPH08112376A |
PURPOSE: To provide gut for rackets which has a good ball hitting feel and is highly strong, inexpensive and durable without adopting a Yarn winding structure by incorporating persimmon tannin or tannin component into a polyamicle based ...
|
|
JPH0898903A |
PURPOSE: To provide a gut vibration damping device, by which an increase in the number of parts can be held down and the damping effect can be improved. CONSTITUTION: A gut vibration damping device comprises an elastic and flexible annul...
|
|
JPH0880361A |
PURPOSE: To provide a clamping mechanism for gut stretching device capable of lessening the wear down at the angle of a semicircular recessed part formed at the joint of a base part by partly cutting away the right and left side faces of...
|
|
JPH0822320B2 |
|
|
JPH0838652A |
PURPOSE: To effectively lessen the air resistance at the time of swinging a racket by providing this racket with a head frame delineating a gut extension part and a shaft including a grip part and forming plural pieces of recesses on the...
|
|
JPH0833741A |
PURPOSE: To improve the change force and stability of a ball so as to enjoy various shots such as a spin shot, a slice shot and so on by stretching a gut obliquely with a tennis racket standing upright so as to form diamond-shaped meshes...
|
|
JPH0824372A |
PURPOSE: To decrease impulse applied to a tennis player and to provide a required ball hitting effect by providing two gut planes at an interval on the ball hitting plane of one tennis racket. CONSTITUTION: On the ball hitting plane of o...
|
|
JPH08500034A |
A string for sports application, in particular for tennis, badminton, racquetball and squash racquets or the like comprises a center core and at least one ribbon-like wrap made of a highly abrasion resistant material which exhibits a hig...
|
|
JPH08771A |
PURPOSE: To make a work of untwisting unnecessary when a gut is strung, by housing a gut for a racket ball game in a package in a state where the gut is overlappingly wound so as to draw a numerical letter 8. CONSTITUTION: When a gut 1 u...
|
|
JPH07112500B2 |
|
|
JPH07289667A |
PURPOSE: To provide a tennis racket allowing the easy stroke of a ball via the fast and slow, and strong and weak control thereof. CONSTITUTION: String insertion holes 3 are drilled through the frame 2 of a tennis racket 1 in double stat...
|
|
JPH07275401A |
PURPOSE: To enable a player to select ball repulsion performance and to attain compatibility of the excellent repulsion performance with high spin performance. CONSTITUTION: This racket is provided with a frame 1 for segmenting a gut ext...
|
|
JPH07265466A |
PURPOSE: To easily and quickly exercise a toss before a game by exposing a rotary roller which displays selectively either the surface or back plane over a grip head and supporting the roller in the inside of a grip rotatably and so as t...
|
|
JPH07255878A |
PURPOSE: To provide a racket which is excellent in a ball hitting feeling and by which a spin can be easily put. CONSTITUTION: In a racket 20, an opening edge part on the outside surface side of a belt part 24 of an inside hole of a cyli...
|
|
JPH0741482Y2 |
|
|
JPH0783778B2 |
|
|
JPH0736689Y2 |
|
|
JPH07194744A |
PURPOSE: To improve the impact resistance of guts to be used for rackets of tennis and badminton by imparting flexibility to this gut while maintaining the low elongation and high strength of the gut. CONSTITUTION: Several pieces of monm...
|
|
JPH07194741A |
PURPOSE: To provide a racket frame which is lightweight, is highly strong, is formed with gut holes simultaneously with frame molding and is improved in production efficiency. CONSTITUTION: A tube blank consisting of a thermoplastic synt...
|
|
JPH07185046A |
PURPOSE: To improve the durability accompanying impact of a gut used in a racket for tennis and badminton. CONSTITUTION: As a core thread 1 constituting a gut, an aromatic polyamide fiber multifilament is used, a core winding thread 2 co...
|
|
JPH07178203A |
PURPOSE: To provide a process for production of a gut for a racket formed by using an adhesive having less problems in terms of hygiene and environment. CONSTITUTION: This process for production of the gut composed of core yarn and side ...
|
|
JPH07155408A |
PURPOSE: To provide the optimum play characteristics, and elongate a service life of a string by disposing the minimum diameter part of the string in a head of a racket frame to be disposed at a center of a string bed, and setting the di...
|
|
JPH07148285A |
PURPOSE: To improve the durability of gut by curing a synthetic resin coating layer formed on the surface of a cord body formed of core yarn and side yarn consisting of synthetic fiber yarn by irradiation with electron beams or using the...
|
|
JPH07150434A |
PURPOSE: To obtain a string almost independent of moisture, minimized in slackness, excellent in rebounding force, not feeling change in striking feeling and having excellent striking performance when it is utilized as a gut. CONSTITUTIO...
|
|
JPH07108071A |
PURPOSE: To facilitate manufacture, and enhance the degree of freedom of frame form by forming a frame having a guide groove for gut or capable of installing a guide adaptor, stringing a gut to wind it on the outer edge without extending...
|
|
JPH0722764U |
[Purpose] By arranging synthetic resin yarns having different diameters as core winding yarns or core winding yarns and side winding yarns around the core yarns and coloring the synthetic resin coating layer formed on them, the hues are ...
|
|
JPH0796053A |
PURPOSE: To provide the string having excellent durability without impairing the ball fitting feel and repulsive property of the string by using a nylon resin having excellent wear resistance for the side yarn and resin coating layer of ...
|
|
JPH0796052A |
PURPOSE: To obtain an excellent ball fitting feed and repulsive property and to improve durability by providing the intermediate layer of the string consisting of a synthetic fiber used for tennis, etc., with a specific high elastic moud...
|
|
JPH0767988A |
PURPOSE: To provide a gut protective body suitable for a frame wherein a gut penerating hole is directed from a frame outer peripheral side center position to a frame inner peripheral side off-center position by providing an opening part...
|
|
JPH0713364U |
[Purpose] In sports rackets, distributing dynamic tension prevents catgut damage, improves ball orientation, prevents batter's hand and arm injuries, and reduces head frame damage. With the goal. [Constitution] The large number of throug...
|
|
JPH0751410A |
PURPOSE: To easily change the tension of gut by forming a frame having an outer peripheral recessed part, hermetically closing the outer peripheral aperture in an arbitrary range thereof with a tire, winding the gut on the outer peripher...
|
|
JPH0751414A |
PURPOSE: To lessen change in the basic angle of a gut surface near a frame with the frame at the time of hitting a ball so as to prevent the breakage of gut and to increase a ball return probability by constituting a gut hanging part osc...
|
|
JPH0751412A |
PURPOSE: To make it possible to easily recognize the actual condition of gut tension in an practical use state by constituting the gut stethoscope in such a manner as to generate sound of the interval that a racket generates in a general...
|
|
JPH0739608A |
PURPOSE: To form a frame having deep outer peripheral recessed parts as a combination of two sheets of curved flat plates and to easily form the frame by molding this frame and subjecting the frame having the outer peripheral recessed pa...
|
|
JPH0716315A |
PURPOSE: To provide a tennis racket in which a sweet spot is at a position close to a remote end of a head of the racket by integrally attaching a handle to a frame which is in the shape of protrusion bow continuously and eliminating a y...
|
|
JPH071957U |
[Purpose] We provide a catgut tensioning machine with extremely high work efficiency that allows catgut tensioning even in a sitting position. [Constitution] For the work of fixing the racket to the catgut tensioning machine and tensioni...
|
|
JPH07116B2 |
A generally oval tennis racket characterized in that its strung surface comprises five zones: a central zone (A) including the geometric center (M) and the center of percussion (P) and having at least three cross strings; and on either s...
|
|
JPH07117B2 |
|
|
JPH0686756U |
[Purpose] Improves resilience when hitting a gut used for rackets such as tennis and badminton. [Constitution] A spun yarn 2 or a shrink-processed yarn 4 was twisted directly on the outer circumference of the core yarn 1 or together with...
|
|
JPH06335537A |
PURPOSE: To facilitate the extension operation of gut by pulling the gut clamped in a clamper by horizontally moving a supporting base by rotational operation of a handle and acting braking force on this supporting base when prescribed t...
|
|
JPH06319833A |
PURPOSE: To omit a process for making many slender gut holes and facilitate the gut spreading work by forming size of a gut hole or a gut guide groove larger than the extent that guts of a specific number of pieces can pass through simul...
|
