JP2515107Y2 - マンホール鉄蓋打撃装置 - Google Patents
マンホール鉄蓋打撃装置Info
- Publication number
- JP2515107Y2 JP2515107Y2 JP7865890U JP7865890U JP2515107Y2 JP 2515107 Y2 JP2515107 Y2 JP 2515107Y2 JP 7865890 U JP7865890 U JP 7865890U JP 7865890 U JP7865890 U JP 7865890U JP 2515107 Y2 JP2515107 Y2 JP 2515107Y2
- Authority
- JP
- Japan
- Prior art keywords
- hammer
- main body
- tip
- shaft
- iron lid
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 96
- 229910052742 iron Inorganic materials 0.000 title claims description 48
- 210000000078 claw Anatomy 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009863 impact test Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Percussive Tools And Related Accessories (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7865890U JP2515107Y2 (ja) | 1990-07-26 | 1990-07-26 | マンホール鉄蓋打撃装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7865890U JP2515107Y2 (ja) | 1990-07-26 | 1990-07-26 | マンホール鉄蓋打撃装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0438376U JPH0438376U (enExample) | 1992-03-31 |
| JP2515107Y2 true JP2515107Y2 (ja) | 1996-10-30 |
Family
ID=31622124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7865890U Expired - Lifetime JP2515107Y2 (ja) | 1990-07-26 | 1990-07-26 | マンホール鉄蓋打撃装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2515107Y2 (enExample) |
-
1990
- 1990-07-26 JP JP7865890U patent/JP2515107Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0438376U (enExample) | 1992-03-31 |
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