JPH0428055U - - Google Patents
Info
- Publication number
- JPH0428055U JPH0428055U JP1990067873U JP6787390U JPH0428055U JP H0428055 U JPH0428055 U JP H0428055U JP 1990067873 U JP1990067873 U JP 1990067873U JP 6787390 U JP6787390 U JP 6787390U JP H0428055 U JPH0428055 U JP H0428055U
- Authority
- JP
- Japan
- Prior art keywords
- artificial reef
- weight
- lower member
- registration request
- equal
- 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.)
- Pending
Links
- 241000251468 Actinopterygii Species 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Artificial Fish Reefs (AREA)
Description
図面はこの考案にかかる人工魚礁の一実施例を
示すものであり、第１図は正面図、第２図は第１
図のＸ−Ｘ線断面図、第３図は従来例を示す正面
図、第４図は第３図のＹ−Ｙ線断面図である。 １……魚礁本体Ｂの下部材、２……魚礁本体Ｂ
の上部材、３……鉄板、４，４′……Ｈ鋼、５…
…貫通孔。
示すものであり、第１図は正面図、第２図は第１
図のＸ−Ｘ線断面図、第３図は従来例を示す正面
図、第４図は第３図のＹ−Ｙ線断面図である。 １……魚礁本体Ｂの下部材、２……魚礁本体Ｂ
の上部材、３……鉄板、４，４′……Ｈ鋼、５…
…貫通孔。
Claims (1)
- 円環状に形成した下部材と頂部を半球ドーム型
に形成した上部材から構成される人工魚礁におい
て、前記下部材の重量を人工魚礁全体の重量の２
分の１程度としたことを特徴とする人工魚礁。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990067873U JPH0428055U (ja) | 1990-06-28 | 1990-06-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990067873U JPH0428055U (ja) | 1990-06-28 | 1990-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0428055U true JPH0428055U (ja) | 1992-03-05 |
Family
ID=31601837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990067873U Pending JPH0428055U (ja) | 1990-06-28 | 1990-06-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0428055U (ja) |
-
1990
- 1990-06-28 JP JP1990067873U patent/JPH0428055U/ja active Pending