JPH081841Y2 - 暗渠ブロック型枠の中子伸縮装置 - Google Patents
暗渠ブロック型枠の中子伸縮装置Info
- Publication number
- JPH081841Y2 JPH081841Y2 JP40093290U JP40093290U JPH081841Y2 JP H081841 Y2 JPH081841 Y2 JP H081841Y2 JP 40093290 U JP40093290 U JP 40093290U JP 40093290 U JP40093290 U JP 40093290U JP H081841 Y2 JPH081841 Y2 JP H081841Y2
- Authority
- JP
- Japan
- Prior art keywords
- core
- movable
- mold
- plate
- operated
- 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 - Lifetime
Links
- 238000009415 formwork Methods 0.000 title claims description 21
- 238000001514 detection method Methods 0.000 claims description 76
- 230000008602 contraction Effects 0.000 claims description 37
- 230000003028 elevating effect Effects 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 238000013459 approach Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Landscapes
- Moulds, Cores, Or Mandrels (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP40093290U JPH081841Y2 (ja) | 1990-12-18 | 1990-12-18 | 暗渠ブロック型枠の中子伸縮装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP40093290U JPH081841Y2 (ja) | 1990-12-18 | 1990-12-18 | 暗渠ブロック型枠の中子伸縮装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0490507U JPH0490507U (enrdf_load_html_response) | 1992-08-06 |
JPH081841Y2 true JPH081841Y2 (ja) | 1996-01-24 |
Family
ID=31879107
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP40093290U Expired - Lifetime JPH081841Y2 (ja) | 1990-12-18 | 1990-12-18 | 暗渠ブロック型枠の中子伸縮装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH081841Y2 (enrdf_load_html_response) |
-
1990
- 1990-12-18 JP JP40093290U patent/JPH081841Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0490507U (enrdf_load_html_response) | 1992-08-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
S303 | Written request for registration of pledge or change of pledge |
Free format text: JAPANESE INTERMEDIATE CODE: R326304 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
EXPY | Cancellation because of completion of term |