PNEUMATIC TIRE

The invention relates to a pneumatic tire which can exert excellent control stability. The pneumatic tire comprises a tread portion 2 provided with a crown land region 15 and middle land regions 16 provided with only sipes with width smaller than 2mm. Each shoulder land region 20 is provided with sh...

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Bibliographic Details
Main Authors TOMOYUKI KUJIME, HIROSHI OKAGAWA
Format Patent
LanguageChinese
English
Published 30.03.2018
Subjects
DEVICES OR ARRANGEMENTS RELATED TO TYRES
PERFORMING OPERATIONS
REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL
TRANSPORTING
TYRE CHANGING OR REPAIRING
TYRE INFLATION
VEHICLE TYRES
VEHICLES IN GENERAL
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Summary:The invention relates to a pneumatic tire which can exert excellent control stability. The pneumatic tire comprises a tread portion 2 provided with a crown land region 15 and middle land regions 16 provided with only sipes with width smaller than 2mm. Each shoulder land region 20 is provided with shoulder rug grooves 23 and connecting sipes 24. The tread portion 2 is provided with a crown tread profile 25 having a radius of curvature Rc, a middle tread profile 26 having a radius of curvature Rm, and a shoulder tread profile 27 having a radius of curvature Rs which satisfy a magnitude relationRc > Rm > Rs. First interconnecting positions 31 at which the crown tread profile 25 connects with the middle tread profiles 26 are positioned in the respective middle land regions 16. second interconnecting positions 32 at which the middle tread profiles 26 connect with the shoulder tread profiles 27 are positioned in the respective shoulder land regions 20 and axially inside the inner ends of the shoulder rug grooves 23
Bibliography:Application Number: CN201710813035