JPH0456858U - - Google Patents
Info
- Publication number
- JPH0456858U JPH0456858U JP9970390U JP9970390U JPH0456858U JP H0456858 U JPH0456858 U JP H0456858U JP 9970390 U JP9970390 U JP 9970390U JP 9970390 U JP9970390 U JP 9970390U JP H0456858 U JPH0456858 U JP H0456858U
- Authority
- JP
- Japan
- Prior art keywords
- sleeve
- reinforcing plate
- hole
- contract
- expand
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims 3
- 238000009415 formwork Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9970390U JPH0456858U (enExample) | 1990-09-26 | 1990-09-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9970390U JPH0456858U (enExample) | 1990-09-26 | 1990-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0456858U true JPH0456858U (enExample) | 1992-05-15 |
Family
ID=31841816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9970390U Pending JPH0456858U (enExample) | 1990-09-26 | 1990-09-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0456858U (enExample) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55121006A (en) * | 1979-03-12 | 1980-09-17 | Ishikawajima Kenzai Kogyo Kk | Core device for molding hollow portion of concrete structure |
-
1990
- 1990-09-26 JP JP9970390U patent/JPH0456858U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55121006A (en) * | 1979-03-12 | 1980-09-17 | Ishikawajima Kenzai Kogyo Kk | Core device for molding hollow portion of concrete structure |