JPH0251730B2 - - Google Patents
Info
- Publication number
- JPH0251730B2 JPH0251730B2 JP7711787A JP7711787A JPH0251730B2 JP H0251730 B2 JPH0251730 B2 JP H0251730B2 JP 7711787 A JP7711787 A JP 7711787A JP 7711787 A JP7711787 A JP 7711787A JP H0251730 B2 JPH0251730 B2 JP H0251730B2
- Authority
- JP
- Japan
- Prior art keywords
- sound
- gel
- sound absorber
- underwater sound
- substance
- 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.)
- Expired
Links
- 239000010410 layer Substances 0.000 claims description 26
- 239000006096 absorbing agent Substances 0.000 claims description 21
- 239000000126 substance Substances 0.000 claims description 11
- 239000011241 protective layer Substances 0.000 claims description 8
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims description 7
- 239000011151 fibre-reinforced plastic Substances 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 7
- 229920001296 polysiloxane Polymers 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 11
- 229920001084 poly(chloroprene) Polymers 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000012790 adhesive layer Substances 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 239000005060 rubber Substances 0.000 description 4
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 239000003190 viscoelastic substance Substances 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000012770 industrial material Substances 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Landscapes
- Underground Or Underwater Handling Of Building Materials (AREA)
- Laminated Bodies (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7711787A JPS63242529A (ja) | 1987-03-30 | 1987-03-30 | 水中吸音体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7711787A JPS63242529A (ja) | 1987-03-30 | 1987-03-30 | 水中吸音体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63242529A JPS63242529A (ja) | 1988-10-07 |
| JPH0251730B2 true JPH0251730B2 (de) | 1990-11-08 |
Family
ID=13624845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7711787A Granted JPS63242529A (ja) | 1987-03-30 | 1987-03-30 | 水中吸音体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63242529A (de) |
-
1987
- 1987-03-30 JP JP7711787A patent/JPS63242529A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63242529A (ja) | 1988-10-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 17 Free format text: PAYMENT UNTIL: 20071108 |