JPS62120800U - - Google Patents
Info
- Publication number
- JPS62120800U JPS62120800U JP840886U JP840886U JPS62120800U JP S62120800 U JPS62120800 U JP S62120800U JP 840886 U JP840886 U JP 840886U JP 840886 U JP840886 U JP 840886U JP S62120800 U JPS62120800 U JP S62120800U
- Authority
- JP
- Japan
- Prior art keywords
- absorbing material
- sound
- prevention layer
- layer
- marine organism
- 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
- 239000011358 absorbing material Substances 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000010071 organism adhesion Effects 0.000 claims 2
- 239000000463 material Substances 0.000 claims 1
- 230000035699 permeability Effects 0.000 claims 1
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Description
第１図は本考案の海中吸音材の一例の断面説明
図である。
１……海中生物付着防止層、２……透水防止層
、３……吸音材層、３１……独立空隙。
FIG. 1 is an explanatory cross-sectional view of an example of the underwater sound-absorbing material of the present invention. 1... Sea creature adhesion prevention layer, 2... Water permeation prevention layer, 3... Sound absorbing material layer, 31... Independent voids.
Claims (1)
中吸音材において、前記吸音材層と前記海中生物
付着防止層との間に、水の透過係数５×１０−８
（ｇ・ｈｒ−１・ｃｍ−１・ｍｍＨｇ−１）以下
の材料の透水防止層を配設したことを特徴とする
海中吸音材。 In an underwater sound-absorbing material in which a marine organism adhesion prevention layer is provided on a sound-absorbing material layer, a water permeability coefficient of 5×10 −8 is provided between the sound-absorbing material layer and the marine organism adhesion prevention layer.
(g·hr −1 ·cm −1 ·mmHg −1 ) An underwater sound-absorbing material characterized by disposing a water permeation prevention layer of the following material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP840886U JPH059758Y2 (en) | 1986-01-25 | 1986-01-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP840886U JPH059758Y2 (en) | 1986-01-25 | 1986-01-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62120800U true JPS62120800U (en) | 1987-07-31 |
| JPH059758Y2 JPH059758Y2 (en) | 1993-03-10 |
Family
ID=30792754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP840886U Expired - Lifetime JPH059758Y2 (en) | 1986-01-25 | 1986-01-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH059758Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08160965A (en) * | 1994-12-08 | 1996-06-21 | Tech Res & Dev Inst Of Japan Def Agency | Sound absorbing and shielding material |
-
1986
- 1986-01-25 JP JP840886U patent/JPH059758Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08160965A (en) * | 1994-12-08 | 1996-06-21 | Tech Res & Dev Inst Of Japan Def Agency | Sound absorbing and shielding material |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH059758Y2 (en) | 1993-03-10 |
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