JPS641258Y2 - - Google Patents
Info
- Publication number
- JPS641258Y2 JPS641258Y2 JP9066485U JP9066485U JPS641258Y2 JP S641258 Y2 JPS641258 Y2 JP S641258Y2 JP 9066485 U JP9066485 U JP 9066485U JP 9066485 U JP9066485 U JP 9066485U JP S641258 Y2 JPS641258 Y2 JP S641258Y2
- Authority
- JP
- Japan
- Prior art keywords
- notch
- width
- web
- sleeve
- plate
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000003780 insertion Methods 0.000 claims description 13
- 230000037431 insertion Effects 0.000 claims description 13
- 125000006850 spacer group Chemical group 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000003517 fume Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Buffer Packaging (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9066485U JPS641258Y2 (enrdf_load_stackoverflow) | 1985-06-13 | 1985-06-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9066485U JPS641258Y2 (enrdf_load_stackoverflow) | 1985-06-13 | 1985-06-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61205958U JPS61205958U (enrdf_load_stackoverflow) | 1986-12-26 |
| JPS641258Y2 true JPS641258Y2 (enrdf_load_stackoverflow) | 1989-01-12 |
Family
ID=30645862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9066485U Expired JPS641258Y2 (enrdf_load_stackoverflow) | 1985-06-13 | 1985-06-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS641258Y2 (enrdf_load_stackoverflow) |
-
1985
- 1985-06-13 JP JP9066485U patent/JPS641258Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61205958U (enrdf_load_stackoverflow) | 1986-12-26 |
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