Abstract: A rubber composition for a tire includes a rubber component containing at least one of a natural rubber and an epoxidized natural rubber, silica and a natural based wax, wherein the silica is contained in an amount of 10 parts by mass or more based on 100 parts by mass of the rubber component and the natural based wax is contained in an amount of 1.2% by mass or more and 2% by mass or less based on the total mass of the rubber composition for a tire, and to a tread, a side wall, a clinch and a tire using the rubber composition.

Abstract: A method for producing a worn article, capable of providing a desirable wearability while reducing the cost of production. The method includes the steps of: placing leg elastic members F along a first waveform ? on a web W being carried, the first waveform ? being continuous in a longitudinal direction L of the web W and having a predetermined wavelength ? and predetermined first amplitudes ?1 and ?2, thereby producing a composite sheet Ws; and cutting off the composite sheet Ws being carried, along a cut-off line CL having a second waveform ? being continuous in the longitudinal direction L of the composite sheet Ws, having a wavelength ? equal to the wavelength ? and second amplitudes ?1 and ?2 smaller than the first amplitudes ?1 and ?2, and being in synchronism with the first waveform ?.

Abstract: The present invention provides colored pure titanium or titanium alloy having low susceptibility to discoloration in an atmospheric environment exhibiting a superior resistance to discoloration even when the titanium is used in an environment of harsh acid rain such as a roof or wall material and free from deterioration of the aesthetic appearance over a long period of time, that is, colored pure titanium obtained by the anodic oxidation method, that is, colored pure titanium or titanium alloy having low susceptibility to discoloration in an atmospheric environment characterized by having an average phosphorus content in a range of 40 nm from a surface of a titanium oxide layer formed on the titanium surface of 5.5 atomic % or less and by having an average carbon concentration in a range of a depth of 100 nm from the titanium surface of 3 to 15 atomic %.

Abstract: A method for producing a T-shaped worn article, which produces less wasted material. A web W is slit along a predetermined first cut-off line CL, thereby separating the web W into a first separate sheet W1 and a second separate sheet W2. The first separate sheet W1 and the second separate sheet W2 are spaced apart from each other so that the first separate sheet W1 and the second separate sheet W2 are apart from each other. A core portion 2 is placed so as to bridge between the first separate sheet W1 and the second separate sheet W2, thereby producing a composite material 10. The material is cut off along a second cut-off line Ch extending across the separate sheets W1 and W2 so that a portion thereof to be a back portion 3L is longer than a portion thereof to be a front portion 3S in the carrying direction X of the separate sheets W1 and W2.

Abstract: The present invention can provide the rubber composition for a carcass ply and/or a belt, which comprises a rubber component comprising 30 to 90% by weight of a natural rubber and 10 to 70% by weight of an epoxidized natural rubber and a filler containing not less than 80% by weight of silica, has adhesion as favorably compared with a rubber composition mainly comprising raw materials derived from non-petroleum resources, and makes it possible to reduce an adverse effect on environment and provide for the future decrease of petroleum supply, the carcass ply and/or the belt using the same composition, and the preparation process of the same composition. It is preferable that the process for preparing the rubber composition for a carcass ply and/or a belt comprises a step (1) of kneading the natural rubber and silica and a step (2) of kneading the kneaded product discharged in the step (1) and the epoxidized natural rubber.

Abstract: A pneumatic tire capable of reducing rolling resistance and discharging static electricity generated during running, wherein each of a tread rubber, a breaker rubber, and a sidewall rubber formed on the tread part, the breaker part, and the sidewall part, respectively, has a volume specific resistivity of 1×108 ?·cm or more, the pneumatic tire further including a conduction rubber embedded in the tread part so as to be at least partially exposed to a surface of the tread part, bead part rubber disposed at a region contacting a rim flange of the bead part, and electroconductive rubber electrically connecting the conduction rubber to the beat part rubber, wherein each of the conduction rubber, the bead part rubber, and the electroconductive rubber has a volume specific resistivity of less than 108 ?·cm.

Abstract: There is provided a rubber composition for a side wall, wherein an amount ratio of resources other than petroleum are increased so as to be ecological and take measures for the decrease in supply of petroleum in the future, which further has excellent flex crack resistance and strength. A rubber composition for a side wall comprising 20 to 60 parts by weight of silica based on 100 parts by weight of a rubber component comprising 40 to 80% by weight of a natural rubber and 60 to 20% by weight of at least one rubber selected from the group consisting of a butadiene rubber, a styrene-butadiene rubber and an epoxidized natural rubber, and 4 to 16 parts by weight of a silane compound represented by the following formula: Xn—Si—Y4-n (wherein X represents an ethoxy group or a methoxy group, and Y represents a phenyl group or an alkyl group) based on 100 parts by weight of silica.

Abstract: A method includes producing an elastic strip material (12) by sandwiching an elastic member (4) between two webs (10, 11) under a stretched state in the longitudinal direction of the webs (10, 11), halving the elastic strip material (12) in the widthwise direction so that protrusions (12a) and recesses (12b) alternately appear, separating a first elastic strip material and a second elastic strip material obtained by halving in the widthwise direction, shifting the phases of the first and second elastic strip materials in the longitudinal direction so that the protrusions and the recesses become in phase, reducing the shrinking force of the elastic member near the protrusions (12a) of the first and second elastic strip materials (12A and 12B), and attaching an absorber (12c) onto parts (12c) of the first and second elastic strip materials (12A) where the shrinking force is reduced.

Abstract: A high performance rubber composition using a plasticizer derived from resources other than petroleum and a pneumatic tire using the same are provided. The rubber composition includes a rubber component containing at least 50% by weight of a natural rubber and/or a modified natural rubber and a terpene (co)polymer having a number average molecular weight of at most 700, and a pneumatic tire containing the same.

Abstract: The present invention provides a rubber composition for a tire which makes it possible to consider an effect on environment, prepare for decrease in supply quantity of petroleum in future and improve weather resistance and rubber strength in good balance, and a tire prepared by using the rubber composition. The rubber composition of the present invention comprises not less than 20 parts by weight of a silica, not more than 5 parts by weight of a carbon black and 2 to 20 parts by weight of a turpentine soot and/or lamp black having an average particle diameter of not more than 1,000 nm, based on 100 parts by weight of a rubber component comprising a natural rubber and/or an epoxidized natural rubber, and a tire prepared by using the rubber composition.

Abstract: The objective of the present invention is to provide a pneumatic tire that can desirably prevent generation of static electricity between the road face and the tire, while maintaining a low rolling resistance, so that the safety in use is further improved. In pneumatic tire of the present invention, each of tread rubber, breaker rubber and sidewall rubber that are respectively formed on a tread section, a breaker section and a sidewall section has a volume resistivity of 1×108 ?·cm or more, with a conductive layer having a volume resistivity smaller than 1×108 ?·cm and a thickness in a range from 0.2 to 2.0 mm being formed between a carcass ply forming the carcass and the sidewall rubber, and at least either conductive layer or a rubber cement layer that is formed so as to be made in contact with conductive layer and has a volume resistivity lower than that of the tread rubber is exposed to the surface of the tire.

Abstract: A rubber composition for coating a steel cord, in which processability, durability and adhesive condition can be improved with favorable balance, and a tire using the rubber composition are provided. The rubber composition for coating a steel cord comprises 40 to 70 parts by weight of silica having a nitrogen adsorbing-specific surface area of 100 to 200 m2/g, 1 to 15 parts by weight of a silane coupling agent, 12 to 20 parts by weight of zinc oxide, 3.5 to 5 parts by weight of sulfur, and an organic cobalt in an amount of 0.05 to 0.3 part by weight, converted into metal cobalt amount, on the basis of 100 parts by weight of a rubber component, and a tire is prepared using the rubber composition.

Abstract: The present invention provides a rubber composition for coating a textile cord, and a tire using the rubber composition, wherein rolling resistance is lowered, and processability and rubber strength are excellent, as compared with a rubber composition for coating a textile cord comprising raw materials derived from petroleum resources as a main component, and a tire using the rubber composition, while considering environments and providing for the future decrease in petroleum resources supply. The rubber composition for coating a textile cord comprises 25 to 80 parts by mass of silica and 1 to 15 parts by mass of a silane coupling agent on the basis of 100 parts by mass of a diene rubber, wherein a nitrogen adsorbing-specific surface area of said silica is 70 to 150 m2/g.

Abstract: The present invention relates to a new worn article, which gives a close fit and with which it is possible to reduce the production cost. A worn article of the present invention includes a main body portion 20 including an absorbent core 25 and covering a front torso area, a crotch area and a rear torso area of a wearer, and a pair of side panels PL and PR attached to the main body portion 20 and located between the front and rear torso areas when the worn article is worn. Each of the side panels PL and PR is stretchable in an around-the-torso direction X. At least a portion of the side panel PL and PR includes an elastic thread G sandwiched between at least two sheet-like materials S1 and S2 and is in a contracted state where the elastic thread is contracted, thus forming gathers.

Abstract: A rubber composition for an inner liner in which rubber strength can be improved without increasing rolling resistance and air permeability, and a tire having an inner liner, which comprises the same, can be provided. The rubber composition for an inner liner comprises silica in an amount of 30 to 45 parts by weight, and carbon black in an amount of not more than 5 parts by weight on the basis of 100 parts by weight of a rubber component comprising not less than 30% by weight of an epoxidized natural rubber and 70% by weight of a natural rubber; and calcium stearate in an amount of 2 to 10 parts by weight on the basis of 100 parts by weight of the epoxidized natural rubber, and the tire has an inner liner, which comprises the rubber composition.

Abstract: A rubber composition for a sidewall, which is ecological, and provided for future decrease of petroleum amount supplied, and further, maintains hardness, and is excellent in crack resistance and flex crack resistance performance can be provided by increasing an amount of resources other than petroleum. A rubber composition for a sidewall, comprising 0.1 to 10 parts by weight of zinc oxide having an average particle size of at most 200 nm based on 100 parts by weight of a rubber component comprising at least 30% by weight of a natural rubber and at most 70% by weight of an epoxidized natural rubber.

Abstract: A high performance rubber composition using a plasticizer derived from resources other than petroleum and a pneumatic tire using the same are provided. A rubber composition comprising a rubber component containing at least 50% by weight of a natural rubber and/or a modified natural rubber and a terpene (co)polymer having a number average molecular weight of at most 700, and a pneumatic tire using the same.

Abstract: There is provided a rubber composition for a side wall, wherein an amount ratio of resources other than petroleum are increased so as to be ecological and take measures for the decrease in supply of petroleum in the future, which further has excellent flex crack resistance and strength. A rubber composition for a side wall comprising 20 to 60 parts by weight of silica based on 100 parts by weight of a rubber component comprising 40 to 80 % by weight of a natural rubber and 60 to 20 % by weight of at least one rubber selected from the group consisting of a butadiene rubber, a styrene-butadiene rubber and an epoxidized natural rubber, and 4 to 16 parts by weight of a silane compound represented by the following formula: Xn—Si—Y4-n (wherein X represents an ethoxy group or a methoxy group, and Y represents a phenyl group or an alkyl group) based on 100 parts by weight of silica.

Abstract: A back region having extensibility in a waist direction and provided with stopper members at both ends in the waist direction, an abdominal region provided with flap portions at both ends in the waist direction, and an absorber that bridges between the back region and the abdominal region are provided. It is set in such a manner that a length of the back region in the waist direction when it is stretched is longer than a length of the abdominal region in the waist direction, and a length of the back region in the waist direction when no force is applied from the outside is almost equal to the length of the abdominal region in the waist direction or shorter than the length in the waist direction.

Abstract: A tire improving electric conductivity and rolling resistance performance is provided. A tire wherein an inherent resistance value is at least 109 ?·cm and the amount ratio of silica in a reinforcing filler is at least 70% by weight in a tread part, a sidewall part, a breaker part or a ply part, further having a conductive rubber layer together with the tire parts, wherein the conductive rubber layer is (a) a conductive rubber layer which contacts with a bead part and is continuously arranged to the ground contact surface of the tread part through between the sidewall part and the ply part, having an inherent resistance value of at most 108 ?·cm and a thickness of 0.1 to 5 mm, or (b) a conductive rubber layer which contacts with a bead part and is continuously arranged between the sidewall part and the ply part and between the tread part and the breaker part or in the tread part, having an inherent resistance value of at most 108 ?·cm and a thickness of 0.1 to 5 mm.