FIELD: automotive industry.
SUBSTANCE: stud (1, 1’) for fastening in vehicle pneumatic tire tread has stud body (2, 2') consisting of upper flange (5, 5’) and base flange (4, 4'), and pin (3, 3’) of stud, which is fixed in stud body (2, 2') and pin section (3a, 3'a) protrudes beyond upper flange (5, 5’). On another flat upper side (7, 7’) of upper flange (5, 5') two recesses (8, 8’, 9, 9') are made, which in each case are mutually opposite relative to pin (3, 3’) of the stud, starting from pin (3, 3') of the stud extend to the edge of upper flange (5, 5’) and open ends on the edge of upper flange (5, 5’). Section (3a, 3'a) of pin (3, 3’) of stud, protruding beyond upper flange (5, 5'), is elongated on top view, with two recesses (8, 8’, 9, 9') directly abut on sides of stud pin (2, 2’), which are wider in top view.
EFFECT: improved adhesion of tire with icy road surface.
14 cl, 11 dwg
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