JPS63181694U - - Google Patents
Info
- Publication number
- JPS63181694U JPS63181694U JP1789488U JP1789488U JPS63181694U JP S63181694 U JPS63181694 U JP S63181694U JP 1789488 U JP1789488 U JP 1789488U JP 1789488 U JP1789488 U JP 1789488U JP S63181694 U JPS63181694 U JP S63181694U
- Authority
- JP
- Japan
- Prior art keywords
- reinforcing layer
- center
- inflatable member
- cords
- buried
- 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
- 239000012530 fluid Substances 0.000 claims description 5
- 239000011435 rock Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims 5
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000005553 drilling Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1789488U JPH0141836Y2 (https=) | 1988-02-13 | 1988-02-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1789488U JPH0141836Y2 (https=) | 1988-02-13 | 1988-02-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63181694U true JPS63181694U (https=) | 1988-11-24 |
| JPH0141836Y2 JPH0141836Y2 (https=) | 1989-12-08 |
Family
ID=30811072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1789488U Expired JPH0141836Y2 (https=) | 1988-02-13 | 1988-02-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0141836Y2 (https=) |
-
1988
- 1988-02-13 JP JP1789488U patent/JPH0141836Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0141836Y2 (https=) | 1989-12-08 |
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