Stud for a tyre
AssigneeTurvanasta Development OY
InventorHeikki Salakari
Life of this patent
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Abstract
The invention relates to a stud for a tyre comprising a socket-formed body portion (1), having at one end a hard metal peak (2) and at its other end a locking flange (3) retaining the stud in the tyre and being made of a light injection-mouldable material, such as plastic, the body portion (1) having a pin (4) extending towards the locking flange, with the tubular sleeve portion (5) of the locking flange fixed on top of this pin. The body portion (1) is conical so as to be clamped as a wedge into the corresponding conical sleeve portion (5).
Claims7
A stud for a tyre comprising a socket-formed body portion (1) having at one end a hard metal peak (2) and at the other end a locking flange (3) retaining the stud in the tyre, and being made of a light material such as plastic, the body portion (1) having a pin (4) extending towards the locking flange, with the tubular sleeve portion (5) fixed on top of the locking flange, characterised in that the body portion (1) is conical over substantially its entire length so as to be clamped as a wedge into the corresponding conical sleeve portion (5).
A stud as defined in any of the preceding claims, characterised in that the end of the sleeve portion (5) is open at the locking flange (3).
A stud as defined in any of the preceding claims, characterised in having a concave recess (7) known per se on the outer surface of the locking flange (3).
A stud as defined in any of the preceding claims, characterised in that the conical angle relative to the central axis is 3°.
A stud as defined in any of the preceding claims, characterised in that the outer surface of the sleeve portion (5) is roughened.
Dependencies are inferred from the claim text.