FIELD: transport.
SUBSTANCE: proposed stud comprises body extending axially and pin including lower part, mid part and head with top surface. Said pin extends above head top surface. Note here that, if seen from above, (i) centre of gravity of said pin is shifted from that of its bottom part, or (ii) said centre is shifted sideways from that of bottom part, or (iii) said centre is shifted from said of the head, or (iv) mid part centre of gravity is shifted from that of bottom part. Besides, this invention covers pneumatic tire with abode described tread.
EFFECT: better adhesion on ice or snow.
14 cl, 22 dwg
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