Skid protection stud and car tire provided with it

An anti-skid pin and pin technology, which is applied to tire parts, tire tread/tread pattern, vehicle parts, etc. Effect

Active Publication Date: 2008-09-24
NOKIAN TYRES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

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Method used

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  • Skid protection stud and car tire provided with it
  • Skid protection stud and car tire provided with it
  • Skid protection stud and car tire provided with it

Examples

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Example Embodiment

[0014] A vehicle tire 100 has a tread 10 provided with a plurality of at least circumferentially continuous pattern blocks 20 separated by grooves 29 and pin holes 9 prefabricated (i.e. made during a vulcanization process) therein . The cleats are installed after vulcanization in at least some of these pin holes, and generally in all of them, to maintain the intended tire characteristics. The anti-skid pin 1 of solid construction firstly comprises a body 5 made of a first material and presenting a pin length L N , and be provided with bottom plate 3 and rod 4, according to the shape of the rod and especially according to the shape of the upper bowl, the outer diameter of the rod 4 is D1, D2, D3, D4, D5. The body or first material may be steel, any suitable lightweight metal alloy, such as a suitable aluminum alloy, or any suitable type of plastic. The cleat 1 of solid construction also comprises a single elongated hard cermet piece 2 of a second material bonded to the body a...

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PUM

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Abstract

The invention provides a skid-proof pin including a solid construction and an automobile equipped with the skid-proof pin; the skid-proof pin is embedded into a pin hole (9) cast on a tire surface of automobile tires. The skid-proof pin (1) comprises: a main body (5) which is made of a first material and comprises a soleplate (3) and a bar portion (4); and a hard metal ceramic member (2) which is made of a second material and is present in the main body. Section shape of the hard metal ceramic member is an irregular hexagon comprising in a direction perpendicular to length (L<N>) of the pin; a first pair of long sides (21, 23) and a second pair of long sides (22, 24) opposite to the first pair of long sides, and internal angles (K1 and K2) which unfold towards each other between said two pairs of sides; the internal angles (Ka and K2) are not less than 130 degrees and not more than 170 degrees; and two short sides (25, 26), between which a longitudinal distance is present which is larger than a transverse distance (W<W>) between peaks of two pairs of long sides.

Description

technical field [0001] The invention relates to an anti-skid stud embedded in a pin hole prefabricated in a tread of a vehicle tire, said tread comprising a plurality of at least circumferentially continuous pattern blocks, said anti-skid stud comprising: a body, which consisting of a first material and having a pin length and comprising a base plate and a stem having an outer diameter; and a single elongated piece of hard cermet made of a second material bonded to and extending from the body The outer end extends into the shank and has a cermet length co-directional with the length of the pin and less than 90% of the length of the pin, and has a hexagonal cross-sectional shape, the hexagonal cross-sectional shape The cross-sectional dimension is substantially smaller than the outer diameter. The present invention also relates to a pneumatic vehicle tire nailed with such an anti-skid pin. Background technique [0002] US-3,473,591 shows a hexagonal hard metal piece in its ...

Claims

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Application Information

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IPC IPC(8): B60C11/16
CPCB60C11/16
Inventor J·皮尔霍南M·利厄库拉
Owner NOKIAN TYRES
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