FIELD: transport.
SUBSTANCE: tread rubber has subtread rubber composed by first non-electro conducting rubber band, running surface rubber composed by helical winding of second non-electro conducting rubber band and conducting area extending through subtread rubber and running surface rubber in radial direction. Conducting area consists of two sections. First conducting section consists of the first conducting rubber band wound inside subtread ply rubber so that it is applied on first non-electro conducting rubber band. Second conducting section consists of the second conducting rubber band wound inside subtread ply rubber so that it is applied on second non-electro conducting rubber band. Exposed surface area composed by radially top end of the first conducting section and exposed surface area formed by radially bottom end of said second conducting section are inclined in different directions relative to tire lengthwise direction to intersect.
EFFECT: higher reliability of tire conductance.
5 cl, 11 dwg, 2 tbl
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