JPS63114964U - - Google Patents
Info
- Publication number
- JPS63114964U JPS63114964U JP727887U JP727887U JPS63114964U JP S63114964 U JPS63114964 U JP S63114964U JP 727887 U JP727887 U JP 727887U JP 727887 U JP727887 U JP 727887U JP S63114964 U JPS63114964 U JP S63114964U
- Authority
- JP
- Japan
- Prior art keywords
- protective device
- protrusion
- steel pipe
- projection
- peripheral surface
- 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
- 230000001681 protective effect Effects 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 1
Landscapes
- Buffer Packaging (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP727887U JPS63114964U (2) | 1987-01-21 | 1987-01-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP727887U JPS63114964U (2) | 1987-01-21 | 1987-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63114964U true JPS63114964U (2) | 1988-07-25 |
Family
ID=30790580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP727887U Pending JPS63114964U (2) | 1987-01-21 | 1987-01-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63114964U (2) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS484087U (2) * | 1971-05-24 | 1973-01-18 |
-
1987
- 1987-01-21 JP JP727887U patent/JPS63114964U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS484087U (2) * | 1971-05-24 | 1973-01-18 |
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