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62results about How to "Suppress fatigue" patented technology

Pneumatic radial tire

Provided is a pneumatic radial tire: that includes a circumferential-direction reinforcement layer having a width increased with fatigue break of the circumferential-direction reinforcement layer being suppressed at edge portions thereof; and that suppresses separation in each of cross belt layers at edge portions thereof. A pneumatic radial tire according to the present invention is a pneumatic tire including: at least two cross belt layers disposed on an outer circumferential side of a carcass layer in a tread portion; and at least one circumferential-direction reinforcement layer disposed between these cross belt layers, a width of the circumferential-direction reinforcement layer being smaller than that of each cross belt layer. The pneumatic radial tire is configured so that: the cross belt layers are separated away from each other at outer sides respectively of end positions, in a width direction, of the circumferential-direction reinforcement layer; the circumferential-direction reinforcement layer includes steel cords of two types which differ in elongation at break; and the steel cord having relatively small elongation at break is disposed in a center portion of the circumferential-direction reinforcement layer, whereas the steel cord having relatively large elongation at break is disposed in each of outer side portions of the circumferential-direction reinforcement layer.
Owner:THE YOKOHAMA RUBBER CO LTD

Pneumatic radial tire

ActiveUS20100024944A1Suppress fatigue breakOptimal structureHeavy duty tyresHeavy duty vehicleEngineeringRadial tire
Provided is a pneumatic radial tire: that includes a circumferential-direction reinforcement layer having a width increased with fatigue break of the circumferential-direction reinforcement layer being suppressed at edge portions thereof; and that suppresses separation in each of cross belt layers at edge portions thereof. A pneumatic radial tire according to the present invention is a pneumatic tire including: at least two cross belt layers disposed on an outer circumferential side of a carcass layer in a tread portion; and at least one circumferential-direction reinforcement layer disposed between these cross belt layers, a width of the circumferential-direction reinforcement layer being smaller than that of each cross belt layer. The pneumatic radial tire is configured so that: the cross belt layers are separated away from each other at outer sides respectively of end positions, in a width direction, of the circumferential-direction reinforcement layer; the circumferential-direction reinforcement layer includes steel cords of two types which differ in elongation at break; and the steel cord having relatively small elongation at break is disposed in a center portion of the circumferential-direction reinforcement layer, whereas the steel cord having relatively large elongation at break is disposed in each of outer side portions of the circumferential-direction reinforcement layer.
Owner:YOKOHAMA RUBBER CO LTD

Electromagnetic wave shielding nanometer fragrant brightener capable of releasing trace element negative ions

The invention discloses an electromagnetic wave shielding nanometer fragrant brightener capable of releasing trace element negative ions, belonging to the technical field of the preparation and production of small chemical products for the surface wiping treatment of furniture, vehicles and the like. At present, in order to meet the demand of realizing modernization development, Chinese fine chemical products and small chemical products are necessary to have high-technology and new functions, multiple effects and no pollution, is low-carbon, safe and sanitary, is harmless to human and livestock, and can especially and effectively improve the quality of the living or working environment, improve and increase the health of people, prevent the damages of harmful materials such as electromagnetic wave, heavy metal lead, mercury and arsenic and increase the concentration of negative ions in the living or working environment. The key points of the invention are as follows: medical stone which has rich trace elements and good release property and can strongly treat water pollution and adsorb toxic substances and natural tourmaline which can continuously and spontaneously generate negative ions, are added in the new formula, and the modern high-technology nanometer treatment technology is adopted to prepare the brightener and enhance the health of human bodies.
Owner:丁一
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