JPS644928Y2 - - Google Patents
Info
- Publication number
- JPS644928Y2 JPS644928Y2 JP545983U JP545983U JPS644928Y2 JP S644928 Y2 JPS644928 Y2 JP S644928Y2 JP 545983 U JP545983 U JP 545983U JP 545983 U JP545983 U JP 545983U JP S644928 Y2 JPS644928 Y2 JP S644928Y2
- Authority
- JP
- Japan
- Prior art keywords
- glass wool
- wool layer
- lead
- sheet
- sand discharge
- 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
- 239000011491 glass wool Substances 0.000 claims description 21
- 239000004576 sand Substances 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000005357 flat glass Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000011358 absorbing material Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Building Environments (AREA)
- Pipe Accessories (AREA)
- Laminated Bodies (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP545983U JPS59111852U (ja) | 1983-01-20 | 1983-01-20 | 排砂管防音マツト |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP545983U JPS59111852U (ja) | 1983-01-20 | 1983-01-20 | 排砂管防音マツト |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59111852U JPS59111852U (ja) | 1984-07-28 |
| JPS644928Y2 true JPS644928Y2 (enExample) | 1989-02-08 |
Family
ID=30137049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP545983U Granted JPS59111852U (ja) | 1983-01-20 | 1983-01-20 | 排砂管防音マツト |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59111852U (enExample) |
-
1983
- 1983-01-20 JP JP545983U patent/JPS59111852U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59111852U (ja) | 1984-07-28 |
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