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JP3516124B2 |
To provide a golf ball which provides a large carry, has excellent controllability, improves a feeling and contributes to an improvement in durability. This golf ball is constituted to have a solid core and covers consisting of two insid...
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JP3516123B2 |
To provide a golf ball which provides a large carry, has excellent controllability, improves a feeling and contributes to an improvement in durability. This golf ball is constituted to have a solid core and covers consisting of two insid...
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JP2004097504A |
To efficiently obtain uniform golf balls.A mold 8 consisting of a top die 9 including a semispherical projection part 11 and a bottom die 10 including a semispherical recess part 13 is prepared for manufacturing the golf balls. Release t...
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JP2004509675A |
Golf ball husks contain ionomers and certain block copolymers in a particular weight ratio range. The method also includes the step of blending the ionomer and the above-mentioned specific block copolymer within a specific range for prep...
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JP2004097803A |
To increase coefficient of restitution and initial speed of a ball even at high impact speeds.The golf ball comprises an inner core, an outer core, and a cover. The golf ball has a coefficient of restitution of at least 0.810 at a collis...
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JP3512814B2 |
The present invention is directed towards a multi-layer golf ball cover formed by a sandwich injection molding process, wherein said golf ball cover comprises an inner layer and an outer layer of a first material and an intermediate laye...
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JP2004089549A |
To provide a golf ball mold, excellent in durability and capable of providing a golf ball with excellent aerodynamical characteristics.The golf ball mold consists of an upper die 1 and a lower die 3. A number of projections 7 for forming...
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JP2004089363A |
To provide a golf ball requiring no undercoating processing when printing a marking, allowing direct printing on a surface of a golf ball body, having a superior external appearance, and printed with the marking superior in durability af...
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JP3508881B2 |
PURPOSE: To apply an adhesive economically and efficiently in a method for applying the adhesive to a melton material for a tennis ball by facilitating the utilization of punched wastes to other uses while lessening the unevenness of an ...
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JP3501687B2 |
To provide a seam detector of a tennis ball which is capable of detecting seam parts of not only white but red and blue as well, does not require the periodic exchange of parts and allows the inexpensive execution of the detection. This ...
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JP2004057698A |
To improve a carry performance and to provide soft ball driving feeling.When manufacturing the multi-piece solid golf ball, after a core inner layer 16 is coated with a raw material including polybutadiene and 2,5-di-tert-butyl hydroquin...
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JP2004505735A |
In a non-limiting exemplary embodiment of the present invention, a golf ball has a surface comprising a plurality of dimples arranged in an amorphous pattern. In an additional embodiment of the invention, a golf ball has a surface compri...
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JP3494441B2 |
A method of manufacturing a golf ball is disclosed. A cover is molded through use of either a thermoplastic resin having a group capable of reacting with an isocyanate group or a thermoplastic resin containing a compound having two or mo...
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JP2004033618A |
To provide a ball which has excellent durability to prevent the ball from being cracked and broken by repeated hitting.This ball is formed of synthetic resin. A gas such as air, carbon dioxide gas, nitrogen, etc. is filled into the ball....
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JP2004024834A |
To provide a golf ball excellent in both soft feeling and carry and also in damage resistance, and the method of efficiently manufacturing the same.The ball comprises a core, a cover and one or more intermediate layers between them. The ...
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JP2004016677A |
To provide a method for manufacturing a golf ball decreasing faults in the appearance by restraining an oxidation reaction of a melted resin.Pellets 18 inside a feed part 15 are melted and bit into a cylinder 10 by rotating a screw 11 of...
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JP2004013652A |
To provide a method for analyzing physical properties of a golf ball highly precisely in a short period of time.This model is obtained by mesh-dividing a golf ball. This model is provided with a plurality of elements 3. The outermost lay...
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JP3484368B2 |
To provide an apparatus for producing a golf ball which is capable of ameliorating a tension defect, lessening rubber thread breakage and improving the quality of a rubber thread wound core. This apparatus has a thread winding means 1 fo...
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JP3478303B2 |
PURPOSE: To provide a golf ball having the capability of improving the functions of straight forward motion and directional motion, as well as controllability, stability and a carry, based on a new dimple-land theory. CONSTITUTION: The s...
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JP3475966B2 |
PURPOSE: To obtain a covering material compsn. which gives a golf ball with a good appearance, spinning characteristics similar to those of a golf ball with a wound rubber thread, a soft feeling at impact, and excellent durability and re...
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JP3477509B2 |
To produce a golf ball having excellent uniformity by disposing an upper mold and lower mold which are internally formed with a spherical cavity and has a parting plane in the position corresponding to the equator thereof and providing t...
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JP2003339916A |
To provide a method for manufacturing a golf ball in which a defect caused by residual gas is reduced. A screw 11 of an injection mold machine 6 is rotated while moving backwards to the right such that a pellet 18 within a feeding part 1...
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JP2003339913A |
To provide a golf ball with a novel intermediate layer in order to improve ball characteristics. The intermediate layer of the golf ball essentially consists of a specific triblock copolymer or its hydrogenated product, and a specific bl...
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JP2003325705A |
To provide a method for producing a tennis ball at a lower cost with a reduced defective fraction.A half shell is formed when the tennis ball is produced (STP1). Ammonium chloride solution and sodium nitride solution are injected into th...
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JP3468154B2 |
To form a resin layer of a uniform thickness by specifying an area occupancy rate of all protrusions of the cross sectional area of a base end as compared with the wall of a cavity and a volume occupancy rate as the percentage of the vol...
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JP2003320057A |
To easily and efficiently manufacture a tennis ball at a low cost without using a melton.An adhesive is applied on an outer surface of a core 2, fibers 3 are flocked by electrostatic filling to form a fiber layer 4, and the tennis ball 1...
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JP3466590B2 |
To predict the performance under actual using conditions, of a product comprising visco-elastic material having nonlinear material properties, accurately by simulation. Ever-changing values of a strain, a strain rate and stress developed...
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JP3466583B2 |
To accurately predict a performance of a product made of a viscoelastic material which indicates nonlinearity in material physical properties under practically using conditions. A method for simulating to predict the performance of the p...
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JP3462415B2 |
To provide a manufacturing device for a golf ball with a simple structure that can wind an initial end of a rubber thread effectively. A golf ball manufacturing device has a bobbin means that winds a rubber thread G on a core ball B and ...
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JP3462417B2 |
To provide an apparatus for production of a golf ball which is simplified in its structure and improves working efficiency. A plurality of thread winding means 1... for winding of rubber threads on a core ball are circumferentially arran...
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JP2003531700A |
To provide a ball for ball game and a method for manufacturing the ball having superior sphericity, an ability to retain its original shape, durability, and soft feel. The fabric layer ( 12 ) is formed by sewing with a sewing machine for...
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JP3453024B2 |
To provide different hitting feels to a player in accordance with directions of external force applied to a golf ball at the time of hitting in a golf ball comprising at least a pair of coaxial solid layers in which rigidities of the coa...
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JP2003260151A |
To provide a golf ball which provides an excellent distance and flight uniformity.The golf ball is arranged with a plurality of dimples on its surface, in which 7% or more of the total number of pieces of the dimples comprise noncircular...
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JP2003245378A |
To provide a method for manufacturing a golf ball 1 by which the golf ball can be obtained at a low cost.The golf ball 1 is provided with a core 2 and a cover 3. In core 2 molding, a rubber composite material is extruded from an extruder...
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JP2003525649A5 |
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JP2003525649A |
(57) [Summary] The present invention provides a golf ball formed from a plastomer having a molecular weight distribution of 4 or less. Plastomers can be included in the core of multi-piece balls and the mantle of multi-layer golf balls i...
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JP2003210617A |
To provide a golf ball formed with markings having excellent lusterousness, durability and weatherability by compounding metallic powder coated with a resin on the surface and pigments as indispensable components with the inside of an in...
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JP3430055B2 |
To provide a manufacturing device and method for golf ball with a simple structure which can fix a terminal of a thread spool core easily and quickly. A treatment means for rubber thread terminal 2 which fixes a terminal of a rubber thre...
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JP2003521263A |
The present invention relates to methods for making golf balls having adhesion between adjacent layers. In particular, the golf balls of the present invention comprise a cover, a core and optionally one or more intermediate layers dispos...
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JP3426212B2 |
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JP2003190332A |
To provide a solid golf ball which has high repulsion, and a favorable controlling property and durability keeping a soft putting feeling, and can stably be injection-molded even when the cover is thin.This golf ball is composed with a c...
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JP2003190333A |
To provide a golf ball containing a solution blended polymeric composite material, and its manufacturing method.This golf ball 10 has a portion or layer which is formed from the polymeric composite material preferably containing at least...
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JP2003520619A |
Disclosed herein is a golf ball comprising a spherical shell (88, 102) which includes at least an inner first layer (94, 108), a second layer (90, 104), and a third layer (92, 106), the second layer being sandwiched between the first lay...
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JP3424864B2 |
PURPOSE: To provide a golf ball which has an excellent ball hitting feel, has high repulsive performance and long driving distance. CONSTITUTION: A thermoplastic elastomer formed by dispersing cross-linked diene based rubber particles ha...
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JP2003169864A |
To provide a method for analyzing physical properties of a golf ball by a simulation based on a useful mesh division.First of all, a golf ball model 11 is obtained by dividing the golf ball equipped with a core, intermediate thin layers ...
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JP2003169863A |
To provide a golf ball having a multi-layer core to function for improving stiffness, high specific gravity or moisture barrier property, and which increases fun of playing golf.The multi-layered core golf ball comprises a center, a cove...
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JP2003159352A |
To provide a golf ball compositions which can optimize most of the performance properties of a golf ball without making the other properties worse.The golf balls and compositions to use for ball cores, covers and intermediate layers cont...
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JP2003154038A |
To provide a marker line drawing device for golf balls which facilitates the drawing of a marker line on the surface of a golf ball serving as a reference for the direction of hitting the ball in the putting in the golf with correct stra...
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JP2003154036A |
To provide a golf ball which has a resistance to the permeation thereof with steam.The golf ball contains a core, an intermediate layer and a cover. The intermediate layer has a steam permeation rate lower than that of the cover and the ...
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JP3409283B2 |
To provide manufacture for a golf ball which can do pretreatment installation for improvement of adherence inexpensively and safely than that of conventional method and also can apply to a batch method, i.e., a present manufacturing syst...
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