Balance weight for vehicle wheel
AssigneeSumitomo Rubber Industries, Ltd.
InventorsToshiaki Sakaki, Kazuo Kadomaru, Tetsuo Mizoguchi
Life of this patent
Estimating the term…
Abstract
The present invention relates to a balance weight 10 for a vehicle wheel, including: (1) a metal clip 14 with a hook portion 11 having a cross-sectional shape corresponding to a flange edge portion of a wheel, and a leg portion 13 for retaining a weight made of a resin composition having high specific gravity, which is capable of independently close-contacting and fixing to the flange edge portion, and (2) a weight 12 made of a thermoplastic resin in including 2.5 to 8.0% by weight of a thermoplastic elastomer and 97.5 to 92% by weight of tungsten powder, which is attached to the leg portion 13.
Claims7
A balance weight for a vehicle wheel, comprising:
- a metal clip comprising a hook portion having a cross-sectional shape corresponding to a flange edge portion of the wheel, and a leg portion for retaining a weight, which is capable of independently close-contacting and fixing to flange edge portion, the weight made of a thermoplastic resin composition comprising 2.5 to 8.0% by weight of a styrenic thermoplastic elastomer and 97.5 to 92% by weight of tungsten powder and having a surface hardness of 80 or less, which is attached to the leg portion of the metal clip wherein the surface hardness of the thermoplastic resin composition is measured by the method defined in Japanese Industrial Standard K7215 (Type D).
Dependencies are inferred from the claim text.