Abstract: A solid golf ball having good shot feel and durability as well as satisfactory flight performance and cut resistances which comprises a solid core and a cover covering the core, wherein the cover is formed from a heated mixture of: (A) an ionomer resin, (B) a thermoplastic elastomer having a carboxyl group or a thermoplastic elastomer having a terminal OH group, and (C) a block copolymer having a styrene-butadiene-styrene structure in which the polybutadiene block contains epoxy groups, or a block copolymer having styrene-isoprene-styrene structure in which the polyisoprene block contains epoxy groups, wherein the cover has a flexural modulus of from 50 to 300 MPa and a Shore D-scale hardness of from 40 to 60.

Abstract: The present invention provides a multi-layer structure golf ball having a thread rubber layer, which has good shot feel and controllability as well as satisfactory flight performance and cut resistance. The golf ball includes a thread wound core and a cover covering the thread wound core, wherein the cover is formed from a heated mixture of: (A) an ionomer resin, (B) a thermoplastic elastomer having a carboxyl group or a thermoplastic elastomer having a terminal OH group, and (C) a block copolymer having a styrene-butadiene-styrene structure in which the polybutadiene block contains epoxy groups, or a block copolymer having styrene-isoprene-styrene structure in which the polyisoprene block contains epoxy groups, the cover have a flexural modulus of from 50 to 300 MPa and a Shore D-scale hardness of from 40 to 60.

Abstract: A outerwear comprising of a front body cloth, a rear body cloth, right and left flank cloths having a predetermined width and right and left sleeve cloths, one edge of each right and left flank cloth is sewn to the front body cloth and the other edge of each right and left flank cloth is sewn to the rear body cloth such that each sewing line does not coincide with right and left flank lines, each of the right and left flank cloth is extended to the under-sleeve part sewn to the sleeve cloth; an elongation percentage of each of the front body cloth and the rear body cloth is set high in a horizontal direction thereof.

Abstract: A multi-piece solid golf ball has rebound characteristics equal to conventional two-piece solid golf ball when hitting at high head speed, and better rebound characteristics when hitting at low head speed. This multi-piece solid golf ball has a core with an inner layer outer layer on the inner layer, and at least one layer of cover on the core, the inner layer core having an elastic modulus of 50 to 200 MPa, the outer layer core having at least one layer of low elastic modulus with elastic modulus lower than the inner layer core by 15 to 100 MPa; at least one layer of the lowest elastic modulus layer in the core has a total thickness of 0.2 to 5.0 mm and is placed from 6.5 to 20.5 mm away from the core center point with diameter 37 to 41 mm.

Abstract: A vehicle tire has an unidirectional tread pattern, and the tread portion is provided with two circumferential grooves to divide the tread portion into two outer parts and a central part there between, the central part being substantially continuous in the tire circumferential direction and formed symmetrically about the tire equator. The outer parts are provided with mirror-image patterns, each formed by circumferentially repeating pattern units having an average circumferential length, and the mirror-image patterns are circumferentially shifted from each other by a distance S of from 0.15 to 0.25 times the above-mentioned average circumferential length.

Abstract: A tire T is vulcanized by heating the tire T from both an outer forming surface So of an outer mold 2 for forming an outer surface of the tire T and an inner forming surface Si of an inner mold 3 for forming an inner surface of the tire T. The inner forming surface Si is divided into a plurality of inner forming surface portions Si1, Si1 and Si2 in accordance with portions of the tire T, and the inner mold 3 is provided with heaters 5U, 5L and 5M capable of heating the inner forming surface portions Si1, Si1 and Si2 at different temperatures. Since the tire is vulcanized while varying the heating temperatures from inside of the tire in accordance with the portions of the tire, it is possible to vulcanize each of the portions of the tire under optimal temperature condition without generating uneven temperature between upper and lower portions, and it is possible to enhance the performance of the tire.

Abstract: A puncture sealing agent for sealing an inner surface of a tire comprises a deproteinized rubber latex that is formed by removing protein from a natural rubber latex. The puncture sealing agent includes nitrogen content at 0.1 wt. % or less of rubber solid content of the deproteinized rubber latex, and ammonia content at 0.5 wt. % or less of the rubber solid content.

Abstract: A pneumatic tire comprises a tread rubber extending over a ground contacting region of the tire, tread grooves disposed in the ground contacting region, static electricity grounding means comprising grounding terminals and a collector, the collector and grounding terminals being made of a conductive rubber compound containing at least 15 phr of carbon black to have a volume resistivity of less than 100 megaohm cm, and the tread rubber being made of a low-hysteresis-loss rubber compound containing silica as a reinforcing agent and having a volume resistivity more than that of the electrically conductive rubber compound, wherein the collector is disposed radially inside the tread grooves, and the grounding terminals are disposed in the tread grooves and extend radially outwardly from the collector to the level of the ground contacting region at least.

Abstract: A pneumatic tire, a wheel rim, and an assembly of a pneumatic tire and a wheel rim, which are provided with lawn-like materials for damping air resonance of the tire cavity are disclosed. An assembly of a pneumatic tire and a wheel rim where a foaming agent is injected into the tire cavity is also disclosed.

Abstract: A pneumatic tire which comprises a tread portion provided on each side of the tire equator with axial grooves extending axially inwardly from the tread edges, the axial grooves inclined to one direction with respect to the tire axial direction to form a non-directional tread pattern, and the inclination angle of the axial grooves to the tire circumferential direction is decreased from the axially outer end to the axially inner end thereof so as to have a minimum inclination angle &bgr;min of less than 45 degrees, and a maximum inclination angle of from 60 to 85 degrees. Preferably, the radially outermost belt ply has a cord angle a of 10 to 35 degrees to the tire equator and the axial grooves inclined in the reverse direction to the belt cords, and |&bgr;min−&agr;|≦25 degrees.

Abstract: A rubber composition obtained by (a) kneading at least one low air permeable rubber having vulcanizable functional group and a curing agent, which can vulcanize the low air permeable rubber having vulcanizable functional group, at a temperature within a range where the low air permeable rubber having vulcanizable functional group is not vulcanized, and (b) blending 25 to 100 parts by weight of at least one rubber having vulcanizable carbon-carbon double bond per 100 parts by weight of the low air permeable rubber having vulcanizable functional group with the kneaded product, kneading at a temperature within a range where the low air permeable rubber having vulcanizable functional group can be vulcanized to selectively vulcanize the low air permeable rubber having vulcanizable functional group.

Abstract: An apparatus for identifying between summer tires and winter tires based on rotational information obtained from tires attached to a four-wheeled vehicle equipped with a limited slip differential device. The apparatus comprises a rotational information detecting means for detecting rotational information of each of the tires, a memory means for storing rotational information of each of the tires, an arithmetic processing means for respectively calculating reciprocals of turning radiuses based on rotational information of tires attached to a driving shaft as well as judged value based on rotational information of each of the tires, and an identification means for identifying whether the tires attached to the driving shaft are summer tires or winter tires from a relationship between reciprocals of turning radiuses and the judged value. It is possible to accurately perform detection of decrease in tire air-pressure since alarm is generated upon identification of the tires.

Abstract: A pneumatic tire including a tread portion provided with two circumferential grooves to divide the tread portion into a pair of shoulder parts and a central part therebetween, each of the circumferential grooves has such a relatively wide width that the maximum axial width (GWmax) thereof in the foot print is not less than 35 mm, and in a meridian section of the tire, the axially inner sidewall each circumferential groove is substantially straight and inclined axially inwards, and the axially outer sidewall of the circumferential groove comprises a convex part extending axially outwardly to a merge point at which the convex part merges into a ground contacting top surface of one of the should parts.

Abstract: A vehicle tire comprises circumferentially extending straight main grooves including a central main groove on the tire equator and an axially outer main groove on each side thereof, first lug grooves extending from the axially outer main grooves towards the central main groove but not reached thereto, each of the first lug grooves comprising a first curved portion, a second curved portion and a straight portion arranged in this order from the outer main groove towards the central main groove, wherein a width of the first curved portion is in the range of from 60 to 80% of the width of the outer main groove, a width of the second curved portion is not less than 25% but less than 60% of the width of the outer main groove, and a width of the straight portion is not more than 25% of the width of the outer main groove, an inclination angle of each first lug groove with respect to the tire circumferential direction being in the range of from 30 to 50 degrees at the outer main groove, and gradually decreasing theref

Abstract: The present invention provides a multi-piece solid golf ball having excellent flight performance and good shot feel at the time of hitting. The present invention relates to a multi-piece solid golf ball comprising a center having at least one layer, an intermediate layer formed on the center, and an outer layer covering the intermediate layer, wherein the center has a JIS-C hardness of 65 to 85, a surface hardness of the center is higher than a central point hardness of the center by not more than 10, a JIS-C hardness of the intermediate layer is lower than the surface hardness of the center by 0 to 10, a JIS-C hardness of the outer layer is higher than the hardness of the intermediate layer by 15 to 40.

Abstract: The present invention provides a golf ball having high whiteness and having good appearance without using white paint. The present invention relates to a golf ball comprising a core and a cover formed on the core, wherein the cover contains 1 to 7 parts by weight of titanium dioxide, 0.001 to 0.5 parts by weight of blue pigment and 0.00001 to 0.005 parts by weight of red pigment, based on 100 parts by weight of ionomer resin, at a weight ratio of the blue pigment to the red pigment of 99.99/0.01 to 95/5.

Abstract: Disclosed is a low modulus of elasticity-rubber composition, which is useful for sealing a telecommunication cable closure even in low temperature range, utilizing an ethylene-propylene-diene rubber. Said low modulus of elasticity-rubber composition comprising (1) an ethylene-propylene-diene rubber [Mooney viscosity (100° C.): 90 to 130° C., diene: ethylidenenorbornene, iodine value: not more than 20, ethylene content: not more than 55% based on the total amount of ethylene and propylene] and (2) a softener [pour point: not more than −40° C.

Abstract: The present invention provides a multi-piece solid golf ball having excellent flight performance and excellent shot feel at the time of hitting, and a method of making the same having good workability. The present invention relates to a multi-piece solid golf ball comprising a core composed of a center and at least one core outer layer formed on the center, and a cover covering the core, wherein the core outer layer is formed from a rubber composition which does not contain zinc salt of unsaturated carboxylic acid.

Abstract: Disclosed is a structural material excelling in lightness of weight, strength, flexural modulus and other properties, being made from polyamide resin reinforced with continuous fiber and/or long filament reinforcing material. This structural material can be fabricated by a monomer casting method by arranging said fiber reinforcing material preliminarily in a desired shape, putting it into a mold, pouring molten &ohgr;-lactams containing a polymerization catalyst and an initiator into said mold, and heating to obtain polyamide resin.

Abstract: Base rubber containing 70-100 wt % of styrene-butadiene rubber whose glass transition temperature (Tg) is higher than −33° C. and less than −10 ° C., a vulcanizing agent, and compounding agents added to the base rubber as necessary are kneaded. A mixture obtained by kneading them is put in a forming die. While the mixture is being injection-molded or press-molded, the base rubber is vulcanized to form an outsole.