JPH0190946U - - Google Patents
Info
- Publication number
- JPH0190946U JPH0190946U JP18797787U JP18797787U JPH0190946U JP H0190946 U JPH0190946 U JP H0190946U JP 18797787 U JP18797787 U JP 18797787U JP 18797787 U JP18797787 U JP 18797787U JP H0190946 U JPH0190946 U JP H0190946U
- Authority
- JP
- Japan
- Prior art keywords
- spiral
- hole
- aperture
- spacer
- opening side
- 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
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 238000009415 formwork Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 239000002184 metal Substances 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 |
---|---|---|---|
JP18797787U JPH0190946U (th) | 1987-12-09 | 1987-12-09 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18797787U JPH0190946U (th) | 1987-12-09 | 1987-12-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0190946U true JPH0190946U (th) | 1989-06-15 |
Family
ID=31479105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18797787U Pending JPH0190946U (th) | 1987-12-09 | 1987-12-09 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0190946U (th) |
-
1987
- 1987-12-09 JP JP18797787U patent/JPH0190946U/ja active Pending