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JP4058137B2 |
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JP4054971B2 |
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JP4058144B2 |
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JP4058136B2 |
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JP4058242B2 |
The present invention provides a golf ball and a method for making the ball. Two cups are molded from an elastomer separately from a center. In one embodiment of the method, the cups are molded on both sides of a center mold plate with h...
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JP4057035B2 |
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JP4052712B2 |
The present invention relates to a multi-piece solid golf ball comprising a core consisting of an inner core and an outer core formed on the inner core, and one or more layers of cover covering the core, wherein the inner core has a diam...
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JP4051374B2 |
A golf ball component, such as a golf ball cover layer, formed from a high or increased melt index thermoplastic polyurethane, polyurea or polyurethane/polyurea is disclosed. The cover layer may be relatively thin (i.e., 0.075 or less, p...
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JP4047804B2 |
A method and device for marking golf balls that allows for the placement of a putting directional indicator (PDI) along the dynamic axis of a ball. While golfers could use the device to mark individual balls after they have been purchase...
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JP2008023332A |
To provide a material having good thermal stability, fluidity and formability to be suited for injection molding, and being optimum for constituting a high-performance golf ball excellent in durability, scuff resistance, flexibility, etc...
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JP4038625B2 |
A solid golf ball has a solid core and a cover formed of a resin composition comprising the reaction product of a thermoplastic polyurethane elastomer with an isocyanate compound. The ball is efficiently moldable and meets such requireme...
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JP4039477B2 |
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JP2008012297A |
To enable the ball to be reliably and smoothly positioned, thus making it possibly to reliably and smoothly carry out subsequent treatment such as seam line processing and marking, so that the overall efficiency of the golf ball manufact...
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JP4035674B2 |
An injection mold for golf balls defines a spherical cavity therein and has a parting plane extending coplanar with the equator of the cavity. A plurality of molding material injecting gates are arranged in the mold body along or near th...
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JP2008006302A |
To provide a golf ball which has controlled moment of inertia and a controlled spin rate.The golf ball 30 comprises an inner core 32, a thin mantle 34, and an outer cover 36. The thin mantle 34 is formed of a high density layer of polybu...
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JP4033364B2 |
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JP4031687B2 |
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JP4028910B2 |
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JP3138289U |
To provide a baseball ball in which a pattern is firmly engraved on a surface, the thickness of an inner sphere wall is uniform, and the center of gravity is not biased. Two hemispherical inner spheres and a hemispherical outer sphere ar...
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JP4025938B2 |
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JP3138076U |
To provide a marking device for a golf ball which can be easily put in and taken out, can hold the golf ball stably while drawing a line or a mark, and can draw a clear mark without bleeding or deviation. To do. A marking device 1 has an...
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JP4024870B2 |
Electron beam radiation curing of inks on game balls, golf balls and the like is disclosed. Production inks, logo inks and methods for forming production prints and logos on golf balls, game balls and the like are disclosed. To form an e...
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JP4024655B2 |
An attitude adjusting device (1) comprises a first roller (3), a second roller (5), a first stopper (7) and a second stopper (9). A golf ball (G) having a spew (B) is mounted on the first roller (3) and the second roller (5). Each of the...
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JP4019233B2 |
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JP4021380B2 |
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JP4019242B2 |
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JP4019002B2 |
A golf ball with a layer formed of a composite material is disclosed. The composite layer can be the outermost cover layer, an intermediate layer, or a layer of a center of the ball. The composite layer includes a filament material embed...
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JP4015998B2 |
A method and apparatus for making and/or decorating bowling balls and the like includes flexible transfer sheets with heat-activated ink applied to at least portions thereof. A form or mold with opposite halves, which shift between open ...
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JP4014244B2 |
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JP2007282990A |
To insert a core material to a foamed body without leaving a conspicuous scar on the surface. A funnel shape cone (16) with a steel ball (18) put therein is put through a spherical body (10) composed of foaming polyurethane to a prescrib...
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JP4002399B2 |
A low compression, resilient golf ball having a center and a cover, made from a polybutadiene reaction product having polybutadiene, a cis-to-trans catalyst including an aromatic component, and a free radical source. The reaction product...
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JP4002397B2 |
A low compression, resilient golf ball having a center and a cover, wherein at least a portion of the ball is formed from the conversion reaction of an amount of polybutadiene, a free radical source, and a cis-to-trans catalyst including...
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JP3999842B2 |
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JP4002398B2 |
A low compression, resilient golf ball having a center and a cover, made from a polybutadiene reaction product having polybutadiene, a cis-to-trans catalyst including a Group VIA element, such as at least one of sulfur, polymeric sulfur,...
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JP3995988B2 |
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JP2007268265A |
To provide a golf ball and a golf ball mold which can distinguish the position and direction of the seam line of a ball surface easily and can work smoothly and dominantly in a visual examination process and a marking process as a post-p...
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JP2007260356A |
To provide a method for forming a mark on the surface of a golf ball, in which the mark can be formed in a simple process using ink jet printing, and attachment force of the mark is improved. The surface of the golf ball is cleaned to el...
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JP3985162B2 |
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JP3985105B2 |
The solid golf ball of the invention is a one-piece golf ball or a multi-piece golf ball having a solid core enclosed directly in a cover or with an intermediate layer disposed therebetween. The one-piece golf ball or the solid core and/...
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JP3986620B2 |
A golf ball includes a spherical outer-layer core having a concentric spherical inner cavity and having a wall thickness of 5-10 mm. A spherical inner-layer core having a diameter smaller than that of the spherical cavity is disposed wit...
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JP2007244669A |
To provide a holder for simply and easily setting golf balls in specified positions with respect to the holder when various marks are printed on the surface of golf balls by an ink-jet marking device, or when undercoating is applied on t...
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JP3980317B2 |
Golf ball 1 includes a core 2 and a cover 3 . The core 2 has two layers including a center 4 and a mid layer 5 . The mid layer 5 is formed by covering the center 4 with two half shells comprising a rubber composition, and by compression ...
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JP3981783B2 |
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JP3981809B2 |
A golf ball includes a multiplicity of dimples on a spherical surface of the golf ball. The dimples are rotation-symmetric of a specific angle about a rotational axis which connects both poles of the golf ball to each other while passing...
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JP2007216015A |
To produce rubber moldings with high rebound resilience and high quality at high efficiency. The molded rubber material for golf balls is obtained by molding and curing a rubber compound composed of base rubber and such ingredients as co...
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JP2007215862A |
To provide a manufacturing method of a golf ball and the golf ball which enables the effective reuse of the runner generated during forming a cover and is excellent in scratch resistance and controllability. The manufacturing method of t...
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JP2007202764A |
To provide a sewing method, with which neither needle thread nor bobbin thread can appear easily on a contact surface of separated/opened two sheets of sewn materials sewn up by a sewing machine. A sewn product 10 is obtained by making m...
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JP3958833B2 |
To improve the driving feeling and durability without losing the repulsive performance by holding a pressure higher than the atmospheric pressure within a core, and forming a core outer layer part from a vulcanized molding of a rubber co...
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JP2007190365A |
To acquire the drag coefficient Cd and lift coefficient Cl of the golf ball optimal for the hitting initial conditions of each golf ball and the taste of each golfer, and to allow a golf ball to be made to order, which has dimples optima...
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JP2007190355A |
To provide a simple method for marking a line for indicating the direction of a swing on a golf ball when putting. One face of a soft transparent film 10 is formed with a releasing layer 11, a marker M having a shape corresponding to a l...
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