Patent application number | Description | Published |
20080214324 | Golf ball - The invention provides a golf ball composed of, at least in part, a molded and crosslinked material obtained from a rubber composition made of a base rubber, a filler, an organic peroxide, an α,β-unsaturated carboxylic acid and/or metal salt thereof, and a copper salt of a saturated or unsaturated fatty acid. The molded rubber composition has a very high rebound, and is thus useful as a golf ball core for achieving an excellent flight performance. | 09-04-2008 |
20090118038 | GOLF BALL - The present invention relates to a golf ball having a ball component made of a material molded under heat from a rubber composition which includes:
| 05-07-2009 |
20090124412 | GOLF BALL - The present invention relates to a golf ball having a ball component made of a material molded under heat from a rubber composition which includes:
| 05-14-2009 |
20090124757 | METHOD OF MANUFACTURING A GOLF BALL - The present invention relates to an industrially beneficial method of manufacturing golf balls which includes the steps of pre-preparing a masterbatch of an unsaturated carboxylic acid and/or a metal salt thereof by mixing an unsaturated carboxylic acid and/or a metal salt thereof with a rubber material, preparing a rubber composition that contains the rubber material by using the masterbatch, and employing a material obtained by molding the rubber composition under heat as a golf ball component. The masterbatch is composed of: | 05-14-2009 |
20090124758 | GOLF BALL - The present invention relates to a golf ball having a ball component made of a material molded under heat from a rubber composition which includes; | 05-14-2009 |
20090124761 | METHOD OF MANUFACTURING A GOLF BALL - The present invention relates to an industrially beneficial method of manufacturing golf balls which includes the steps of pre-preparing an inorganic filler masterbatch by mixing an inorganic filler with a rubber material, preparing a rubber composition that contains the rubber material by using the masterbatch, and employing a material obtained by molding the rubber composition under heat as a golf ball component. The masterbatch is composed of:
| 05-14-2009 |
20090239683 | GOLF BALL - The present invention provides a multi-piece solid golf ball having a core, an inner cover layer and an outer cover layer. The core is made of a material obtained by molding under applied heat a rubber composition containing (a) a base rubber containing polybutadiene having a stress relaxation time (T | 09-24-2009 |
20090247322 | GOLF BALL - The invention provides a golf ball having a ball component made of a material molded under heat from a rubber composition of (a) a base rubber which includes a polybutadiene of at least 40% cis-1,4 structure, (b) an unsaturated carboxylic acid and/or a metal salt thereof, (c) an organic peroxide, and (d) a halogenated thiophenol, and/or a metal salt thereof, which is prepared by reacting starting materials in a polar solvent then washing with water and drying. The golf ball of the invention uses as a ball component a material of exceptional resilience which is obtained by molding a rubber composition under applied heat. As a result, the ball as a whole has an excellent rebound. | 10-01-2009 |
20090253534 | GOLF BALL MATERIAL, GOLF BALL AND METHOD FOR PREPARING GOLF BALL MATERIAL - The invention provides golf ball materials which include, in admixture, (A) an oxygen-containing inorganic metal compound, (B) one or more polymers selected from the group consisting of multi-component polyamides, and (C) an acid-containing polymer, and additionally includes, if the oxygen-containing inorganic metal compound (A) does not include a zinc cationic species, (D) a zinc ionomer. The invention also provides methods for preparing such golf ball materials, and golf balls made with the materials. The golf ball materials are multi-component polyamide blend compositions having an excellent flow and processability and a suitable hardness, making them ideal as materials for obtaining high-performance golf balls which are endowed with outstanding durability and scuff resistance without any loss in rebound resilience. | 10-08-2009 |
20090264220 | GOLF BALL - The present invention provides a golf ball which includes (I) a first member composed of a material molded under heat from a rubber composition of (a) a base rubber composed primarily of a mixture of at least 60 wt % of a polybutadiene having a stress relaxation time (T | 10-22-2009 |
20090270544 | GOLF BALL MATERIAL, GOLF BALL AND METHOD FOR PREPARING GOLF BALL MATERIAL - The invention provides a method for preparing a material which includes an ionomer blend composition containing a polysilsesquioxane, has a good inorganic filler dispersibility and a good moldability (mold releasability), and has an excellent scuff resistance and coefficient of restitution. The invention also provides a golf ball made using such a material. The ionomer blend composition is an ionomer-based material wherein the polysilsesquioxane and the ionomer are at least partly chemically bonded therebetween, and which has excellent properties such as coefficient of restitution and scuff resistance. | 10-29-2009 |
20090298617 | GOLF BALL MATERIAL AND GOLF BALL - The invention provides a golf ball material composed of a polymer material that contains spherical inorganic particulates, which is well adapted for use in at least one component of a golf ball composed of one or more layers. The golf ball material of the invention improves the flight performance of golf balls compared with polymer materials containing amorphous inorganic particulates. | 12-03-2009 |
20100056303 | GOLF BALL MATERIAL, GOLF BALL AND METHOD FOR PREPARING GOLF BALL MATERIAL - The invention provides a golf ball material composed of an ionomeric resin composition obtained by melt-blending under applied heat one or more compounds selected from among UV/EB-curable materials with, in the presence of a peroxide, a non-ionomeric thermoplastic resin and an ionomeric resin; or of an ionomeric resin composition obtained by using, instead of the ionomeric resin, an acid-containing polymer base of the ionomeric resin and subjecting the acid-containing polymer composition similarly prepared by melt-blending under applied heat to an acid-neutralizing reaction with a metal ionic species. Methods for preparing such a material, and golf balls which include as a component therein a molding made of the golf ball material are also provided. The golf ball material has a good thermal stability, flow and processability, and can thus be used to obtain high-performance golf balls endowed with an excellent abrasion resistance, scuff resistance, durability and flexibility without a loss of rebound. | 03-04-2010 |
20100056304 | GOLF BALL AND METHOD OF IMPROVING GOLF BALL PERFORMANCE - Golf balls having an outermost layer, which outermost layer has been subjected to impregnation treatment with an isocyanate and/or isothiocyanate-containing olefin compound but has not been topcoated, exhibit at least one improved golf ball attribute, such as scuff resistance or spin performance, compared with similar golf balls that have not been impregnation treated. | 03-04-2010 |
20100125001 | GOLF BALL MATERIAL, GOLF BALL AND METHOD FOR PREPARING GOLF BALL MATERIAL - The present invention provides a golf ball material which is made of an ionomer composition that includes a phenolic resin component. The invention provides also a golf ball composed of a core and a cover layer, or a core, a cover layer and at least one intermediate layer therebetween, wherein the golf ball material is used in at least one layer of the core or cover. The invention additionally provides a method for preparing the golf ball material by using (i) or (ii) below:
| 05-20-2010 |
20110086729 | MOLDED POLYMER MATERIAL AND GOLF BALL - The invention provides a molded polymer material which is obtained by subjecting a polymer composition that includes (A) at least one polymer containing α,β-ethylenically unsaturated carboxylic acid, (B) at least one diene polymer, (C) at least one metal cation source, and (D) at least one organic peroxide, and has a chemical structure arrived at by neutralizing some or all of the carboxyl groups in component A with component C in the presence of component B, to molding and crosslinking under the influence of radicals generated by decomposing component D. The molded polymer material has a high resilience, a high hardness and a good durability, making it well-suited for use in golf balls. | 04-14-2011 |
20120122609 | GOLF BALL MATERIAL AND GOLF BALL - A golf ball material composed of a polymer material that contains spherical inorganic particulates, which is well adapted for use in at least one component of a golf ball composed of one or more layers. The golf ball material of the invention improves the flight performance of golf balls compared with polymer materials containing amorphous inorganic particulates. | 05-17-2012 |