JPS6149399U - - Google Patents
Info
- Publication number
- JPS6149399U JPS6149399U JP13564784U JP13564784U JPS6149399U JP S6149399 U JPS6149399 U JP S6149399U JP 13564784 U JP13564784 U JP 13564784U JP 13564784 U JP13564784 U JP 13564784U JP S6149399 U JPS6149399 U JP S6149399U
- Authority
- JP
- Japan
- Prior art keywords
- sound
- wall surface
- grooves
- refracted
- sound waves
- 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
- 230000003584 silencer Effects 0.000 description 3
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Building Environments (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13564784U JPS6149399U (da) | 1984-09-05 | 1984-09-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13564784U JPS6149399U (da) | 1984-09-05 | 1984-09-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6149399U true JPS6149399U (da) | 1986-04-02 |
Family
ID=30694129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13564784U Pending JPS6149399U (da) | 1984-09-05 | 1984-09-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6149399U (da) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007161069A (ja) * | 2005-12-13 | 2007-06-28 | Sumitomo Rubber Ind Ltd | 制音具付空気入りタイヤ |
| JP2008308877A (ja) * | 2007-06-14 | 2008-12-25 | Techno Pro Kk | トンネル用防音壁及びこれを用いたトンネル用防音システム |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54159201A (en) * | 1978-06-07 | 1979-12-15 | Hitachi Ltd | Sound insulation wall |
-
1984
- 1984-09-05 JP JP13564784U patent/JPS6149399U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54159201A (en) * | 1978-06-07 | 1979-12-15 | Hitachi Ltd | Sound insulation wall |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007161069A (ja) * | 2005-12-13 | 2007-06-28 | Sumitomo Rubber Ind Ltd | 制音具付空気入りタイヤ |
| JP2008308877A (ja) * | 2007-06-14 | 2008-12-25 | Techno Pro Kk | トンネル用防音壁及びこれを用いたトンネル用防音システム |