发明名称 |
Sound-absorbing material for vehicle's lower portion |
摘要 |
A sound-absorbing material is attached to the bottom edge of a periphery of the lower portion of a car door 30. The material is positioned above the seal member 1 which makes a resilient contact with a body panel 20, and carries out the seal between the outside and the inside of the car. The material is made of a foam 10 having specific gravity of about 0.05-0.4. The material restrains the noise. The foam 10 may be provided with a plurality of protrusions 12 on the surface thereof, or it may be provided with a hollow part 13 along the longitudinal direction thereof.
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申请公布号 |
US2004221514(A1) |
申请公布日期 |
2004.11.11 |
申请号 |
US20030749667 |
申请日期 |
2003.12.30 |
申请人 |
KOHARA YOSHIHIRO;KOBAYASHI TATSUO;RAISU SYUUJI |
发明人 |
KOHARA YOSHIHIRO;KOBAYASHI TATSUO;RAISU SYUUJI |
分类号 |
B60J5/00;B60J5/04;B60R13/08;(IPC1-7):E06B7/16 |
主分类号 |
B60J5/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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