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Title:
LIGHT ALLOY-MADE WHEEL HAVING HOLLOW PART
Document Type and Number:
Japanese Patent JP2005186839
Kind Code:
A
Abstract:

To prevent generation of resonance sound in a hollow part of a wheel.

In a light alloy-made wheel for a two-wheel vehicle or a four-wheel vehicle in which at least a part of a rim and/or a spoke part is hollow, generation of resonance sound by the vibration of a tire is suppressed by filling a vibration damping material such as fibrous cotton and resin foam in the hollow part. For example, resin form 13 as the vibration damping material is poured and foamed in the hollow part of the light alloy-made wheel 1 having an annular hollow part 8a formed in the rim part and a spoke hollow part 3, and the hollow part is filled with resin foam. Mineral fiber, synthetic fiber, wooden tip, porous metals or the like is used for the vibration damping material.


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Inventors:
Ono, Kotaro
Application Number:
JP2003000432290
Publication Date:
July 14, 2005
Filing Date:
December 26, 2003
Export Citation:
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Assignee:
WASHI KOSAN CO LTD
International Classes:
B60B1/06; B60B3/02; B60B21/02; B60B1/00; B60B3/00; B60B21/00; (IPC1-7): B60B21/02; B60B1/06; B60B3/02