Hirokazu Okamoto
Hirokazu Okamoto, Amagasaki-Shi JP
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20100144468 | PAINTED GOLF BALL AND METHOD FOR PRODUCING THE SAME - An object of the present invention is to provide a painted golf ball which is excellent in the gloss and the evenness of the paint thickness as well as the adhesion of the paint film to the golf ball body. The method for producing the golf ball of the present invention comprises applying a two-component curing type urethane-based aqueous paint including an aqueous polyol composition (A) and an aqueous polyisocyanate (B) to a golf ball body in a specific method, wherein (A) the aqueous polyol composition contains (a-1) an aqueous acrylic polyol, (a-2) an aqueous urethane polyol and (a-3) an aqueous urethane resin. | 06-10-2010 |
20100167847 | TWO-COMPONENT CURING TYPE URETHANE-BASED AQUEOUS GOLF BALL PAINT - An object of the present invention is to provide a two-component curing type urethane-based aqueous golf ball paint, which is excellent in gloss of a paint film and evenness of the film thickness. Another object of the present invention is to provide a two-component curing type urethane-based aqueous golf ball paint, which is excellent in adhesion to the surface of a golf ball body. | 07-01-2010 |
20110105247 | CURING TYPE POLYURETHANE AQUEOUS GOLF BALL PAINT AND PAINTED GOLF BALL USING THE SAME - An object of the present invention is to provide a golf ball which is excellent in the gloss and the evenness of the paint film and a golf ball aqueous paint therefor. The golf ball of the present invention has a paint film which is formed from a curing type polyurethane aqueous golf ball paint, comprising (A) an aqueous polyol composition and (B) an aqueous polyisocyanate, wherein (A) the aqueous polyol composition contains (a-1) an aqueous acrylic polyol, (a-2) an aqueous urethane polyol and (a-3) an aqueous polyurethane resin; a molar ratio (NCO/OH) of an isocyanate group of (B) the aqueous polyisocyanate to a hydroxyl group of (A) the aqueous polyol composition ranges from 1.25 to 2.50; and a content of a high boiling point solvent having a boiling point of 150° C. or more in the aqueous golf ball paint is more than 0 mass % and 10 mass % or less. | 05-05-2011 |
20110244989 | GOLF BALL - An object of the present is to provide a golf ball having a high spin rate on approach shots under the wet condition and rough condition. The present invention provides a golf ball comprising a golf ball body, and a paint film formed on a surface of the golf ball body, wherein the paint film has a martens hardness of 2.0 mgf/μm | 10-06-2011 |
Hirokazu Okamoto, Otsu-Shi JP
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20110045239 | GLASS FILM LAMINATE - The glass film laminate comprises a glass film and a supporting glass. The glass film and the supporting glass have surfaces being brought into contact with each other, and each of the surfaces has a surface roughness Ra of 2.0 nm or less. | 02-24-2011 |
Hirokazu Okamoto, Takatsuki-Shi JP
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20090286077 | One-pack type adhesive precoating composition - The present invention relates to a one-pack type adhesive precoating composition comprising (a) a mixture of at least two thermoplastic polymers having different softening points by not less than 30° C., each of which containing a carboxylic acid group or a carboxylic acid anhydride group, (b) a thermoplastic elastomer and (c) a tackifier, dispersed in an organic solvent, with the proviso that the composition does not comprise a latent curing agent. | 11-19-2009 |
Hirokazu Okamoto, Shiga JP
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20140166186 | GLASS FILM LAMINATE - A glass film laminate includes a glass film and a supporting glass. The glass film and the supporting glass have surfaces in contact with each other, and each of the surfaces has a surface roughness Ra of 2.0 nm or less. | 06-19-2014 |
Hirokazu Okamoto, Yokohama-Shi JP
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20150090830 | WINDING APPARATUS AND WINDING METHOD - According to one embodiment, winding apparatus includes a bobbin, a core, a pressing section, a moving unit, a first rotating unit, a second rotating unit and a control unit. The moving unit is configured to move the pressing section relatively to the core along each of first to third axes perpendicular to each other. The first rotating unit is configured to rotate the pressing section relatively to the core around fourth and fifth axes perpendicular to each other, and set on the core. The second rotating unit is configured to rotate the pressing section relatively to the core around a sixth axis which becomes parallel to, when the core is in an initial position at which the fourth and fifth axes become parallel to any two of the first to third axes, a remaining one of the first to third axes. | 04-02-2015 |