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Sumitomo Rubber Industries Ltd patents


Recent patent applications related to Sumitomo Rubber Industries Ltd. Sumitomo Rubber Industries Ltd is listed as an Agent/Assignee. Note: Sumitomo Rubber Industries Ltd may have other listings under different names/spellings. We're not affiliated with Sumitomo Rubber Industries Ltd, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "S" | Sumitomo Rubber Industries Ltd-related inventors


Tire

A tire comprises a tread portion 2 provided with a first main groove 3 and a second main groove 4 each extending in a zigzag manner and a land region 10 defined between them. The land region 10 is provided with a longitudinal sipe 15 extending in a zigzag manner in the tire circumferential direction, first lug grooves 16, and second lug grooves 17. ... Sumitomo Rubber Industries Ltd

Pneumatic tire and method for manufacturing pneumatic tire

A pneumatic tire excellent in high speed stability and turning ability is provided. In a band of a tire, a center portion located in an axial center has a helically wound structure in which a first band body including a first cord is wound. ... Sumitomo Rubber Industries Ltd

Airless tire

An airless tire includes a tread ring, a hub formed on radial direction inner side of the ring to be fixed to an axle, and a spoke structure connecting the ring and hub. The ring includes a tread rubber layer, a first reinforcing cord layer, a second reinforcing cord layer and a shear rubber layer between the first and second cord layers, the first and second cord layers and shear layer are formed such that ratio eb1/ee between tire circumferential direction tensile modulus eb1 of the first cord layer and shear modulus ee of the shear layer is 100 or greater and that ratio eb2/ee between tire circumferential direction tensile modulus eb2 of the second cord layer and shear modulus ee is 100 or greater, and each cord layer has a topping rubber having loss tangent tan δb of 0.03 to 0.10 and tensile modulus e*b of 4 to 20 mpa.. ... Sumitomo Rubber Industries Ltd








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