JPH01180501U - - Google Patents
Info
- Publication number
- JPH01180501U JPH01180501U JP7406388U JP7406388U JPH01180501U JP H01180501 U JPH01180501 U JP H01180501U JP 7406388 U JP7406388 U JP 7406388U JP 7406388 U JP7406388 U JP 7406388U JP H01180501 U JPH01180501 U JP H01180501U
- Authority
- JP
- Japan
- Prior art keywords
- track
- absorbing material
- noise
- sound
- utility
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011358 absorbing material Substances 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims 1
- 229920003051 synthetic elastomer Polymers 0.000 claims 1
- 239000005061 synthetic rubber Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Railway Tracks (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7406388U JPH01180501U (zh) | 1988-06-03 | 1988-06-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7406388U JPH01180501U (zh) | 1988-06-03 | 1988-06-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01180501U true JPH01180501U (zh) | 1989-12-26 |
Family
ID=31299182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7406388U Pending JPH01180501U (zh) | 1988-06-03 | 1988-06-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01180501U (zh) |
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1988
- 1988-06-03 JP JP7406388U patent/JPH01180501U/ja active Pending