JPS6429698U - - Google Patents
Info
- Publication number
- JPS6429698U JPS6429698U JP12307487U JP12307487U JPS6429698U JP S6429698 U JPS6429698 U JP S6429698U JP 12307487 U JP12307487 U JP 12307487U JP 12307487 U JP12307487 U JP 12307487U JP S6429698 U JPS6429698 U JP S6429698U
- Authority
- JP
- Japan
- Prior art keywords
- sound
- absorbing
- tip
- hollow interior
- frame
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims 2
- 239000002184 metal Substances 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 239000002023 wood Substances 0.000 claims 1
Landscapes
- Building Environments (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Description
図面はこの考案の実施例を示すものであつて、
第１図は中間省略の縦断面図、第２図は第１図
−線に沿う中間省略の断面図、第３図は吸音突
起の一部破砕拡大側面図、第４図、第５図及び第
６図は吸音突起の変形例の一部破砕側面図である
。
１…枠体、２…前後板、３…中空内部、４…吸
音突起、５…吸音小凹所。
The drawings show an embodiment of this invention,
Fig. 1 is a longitudinal cross-sectional view with the middle omitted, Fig. 2 is a cross-sectional view along the line of Fig. 1 with the middle omitted, Fig. 3 is a partially fragmented enlarged side view of the sound-absorbing protrusion, Figs. 4, 5, and FIG. 6 is a partially exploded side view of a modified example of the sound-absorbing protrusion. 1...Frame body, 2...Front and rear plates, 3...Hollow interior, 4...Sound absorbing protrusion, 5...Sound absorbing small recess.
Claims (1)
後板２とによつて内部３が中空となされ、この中
空内部３に位置するようにして、木・合成樹脂等
の金属以外の素材からなる、多数の錐形の吸音突
起４が、その大径部において前後板２内面に設け
られ、前側の吸音突起４の尖端部と、後側の吸音
突起４の尖端部とが相互に入れ違いとなされ、こ
れら吸音突起４の表面に多数の吸音小凹所５が形
成されている防音板。 The frame 1 and the front and rear plates 2 placed on the front and rear surfaces of the frame 1 form a hollow interior 3, and a material other than metal such as wood or synthetic resin can be placed inside the hollow interior 3. A large number of conical sound-absorbing protrusions 4 made of a material are provided on the inner surface of the front and rear plates 2 at their large diameter parts, and the tip of the sound-absorbing protrusion 4 on the front side and the tip of the sound-absorbing protrusion 4 on the rear side are mutually connected. This is a soundproof board in which a large number of small sound-absorbing recesses 5 are formed on the surface of these sound-absorbing protrusions 4, which are inserted in different directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12307487U JPH0516636Y2 (en) | 1987-08-11 | 1987-08-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12307487U JPH0516636Y2 (en) | 1987-08-11 | 1987-08-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6429698U true JPS6429698U (en) | 1989-02-22 |
| JPH0516636Y2 JPH0516636Y2 (en) | 1993-04-30 |
Family
ID=31371595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12307487U Expired - Lifetime JPH0516636Y2 (en) | 1987-08-11 | 1987-08-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0516636Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0675677A (en) * | 1992-08-27 | 1994-03-18 | Nec Corp | Keyboard |
-
1987
- 1987-08-11 JP JP12307487U patent/JPH0516636Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0675677A (en) * | 1992-08-27 | 1994-03-18 | Nec Corp | Keyboard |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0516636Y2 (en) | 1993-04-30 |