JPH0393815U - - Google Patents
Info
- Publication number
- JPH0393815U JPH0393815U JP280690U JP280690U JPH0393815U JP H0393815 U JPH0393815 U JP H0393815U JP 280690 U JP280690 U JP 280690U JP 280690 U JP280690 U JP 280690U JP H0393815 U JPH0393815 U JP H0393815U
- Authority
- JP
- Japan
- Prior art keywords
- protective
- foamed polystyrene
- layer
- protective structure
- material layer
- 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
- 230000001681 protective effect Effects 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 7
- 239000004567 concrete Substances 0.000 claims description 4
- 239000011178 precast concrete Substances 0.000 claims description 2
- 229920006248 expandable polystyrene Polymers 0.000 claims 8
- 230000003139 buffering effect Effects 0.000 claims 1
- 229920006328 Styrofoam Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000008261 styrofoam Substances 0.000 description 1
Landscapes
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990002806U JPH0738331Y2 (ja) | 1990-01-17 | 1990-01-17 | 落石防止用保護構造物の発泡スチロール保護構造 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990002806U JPH0738331Y2 (ja) | 1990-01-17 | 1990-01-17 | 落石防止用保護構造物の発泡スチロール保護構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0393815U true JPH0393815U (ru) | 1991-09-25 |
JPH0738331Y2 JPH0738331Y2 (ja) | 1995-08-30 |
Family
ID=31506655
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990002806U Expired - Lifetime JPH0738331Y2 (ja) | 1990-01-17 | 1990-01-17 | 落石防止用保護構造物の発泡スチロール保護構造 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0738331Y2 (ru) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018145741A (ja) * | 2017-03-08 | 2018-09-20 | 大成建設株式会社 | 移動式落下物防護構造 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4501162B2 (ja) * | 2008-10-29 | 2010-07-14 | 日本サミコン株式会社 | 落石防護用保護構造物 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS632486U (ru) * | 1986-06-24 | 1988-01-09 | ||
JPS63141214U (ru) * | 1987-03-02 | 1988-09-16 |
-
1990
- 1990-01-17 JP JP1990002806U patent/JPH0738331Y2/ja not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS632486U (ru) * | 1986-06-24 | 1988-01-09 | ||
JPS63141214U (ru) * | 1987-03-02 | 1988-09-16 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018145741A (ja) * | 2017-03-08 | 2018-09-20 | 大成建設株式会社 | 移動式落下物防護構造 |
Also Published As
Publication number | Publication date |
---|---|
JPH0738331Y2 (ja) | 1995-08-30 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
EXPY | Cancellation because of completion of term |