JPS6217738U - - Google Patents
Info
- Publication number
- JPS6217738U JPS6217738U JP10742285U JP10742285U JPS6217738U JP S6217738 U JPS6217738 U JP S6217738U JP 10742285 U JP10742285 U JP 10742285U JP 10742285 U JP10742285 U JP 10742285U JP S6217738 U JPS6217738 U JP S6217738U
- Authority
- JP
- Japan
- Prior art keywords
- sound insulating
- intervals
- large number
- utility
- registration request
- 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
- 238000009423 ventilation Methods 0.000 claims description 3
Landscapes
- Building Environments (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Description
第１図は本考案の一実施例の断面図、第２図は
同上の使用状態の断面図であり、１は遮音板、２
は換気小孔である。
Fig. 1 is a sectional view of one embodiment of the present invention, and Fig. 2 is a sectional view of the same in use.
is a small ventilation hole.
Claims (1)
、それぞれの遮音板に径が異なるとともに位相を
ずらせて換気小孔を多数形成して成る換気カバー
。 A ventilation cover consisting of a plurality of sound insulating plates arranged at intervals in the inner and outer directions, and a large number of small ventilation holes formed in each sound insulating plate with different diameters and shifted phases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10742285U JPS6217738U (en) | 1985-07-12 | 1985-07-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10742285U JPS6217738U (en) | 1985-07-12 | 1985-07-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6217738U true JPS6217738U (en) | 1987-02-02 |
Family
ID=30983689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10742285U Pending JPS6217738U (en) | 1985-07-12 | 1985-07-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6217738U (en) |
-
1985
- 1985-07-12 JP JP10742285U patent/JPS6217738U/ja active Pending