JPH0446889Y2 - - Google Patents
Info
- Publication number
- JPH0446889Y2 JPH0446889Y2 JP13423189U JP13423189U JPH0446889Y2 JP H0446889 Y2 JPH0446889 Y2 JP H0446889Y2 JP 13423189 U JP13423189 U JP 13423189U JP 13423189 U JP13423189 U JP 13423189U JP H0446889 Y2 JPH0446889 Y2 JP H0446889Y2
- Authority
- JP
- Japan
- Prior art keywords
- ring
- shaped members
- core
- plate
- inner formwork
- 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
Links
- 238000009415 formwork Methods 0.000 claims description 17
- 210000002105 tongue Anatomy 0.000 description 12
- 238000004804 winding Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Moulds, Cores, Or Mandrels (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13423189U JPH0446889Y2 (en]) | 1989-11-17 | 1989-11-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13423189U JPH0446889Y2 (en]) | 1989-11-17 | 1989-11-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0372407U JPH0372407U (en]) | 1991-07-22 |
| JPH0446889Y2 true JPH0446889Y2 (en]) | 1992-11-05 |
Family
ID=31681582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13423189U Expired JPH0446889Y2 (en]) | 1989-11-17 | 1989-11-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0446889Y2 (en]) |
-
1989
- 1989-11-17 JP JP13423189U patent/JPH0446889Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0372407U (en]) | 1991-07-22 |
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