JPS6131066Y2 - - Google Patents
Info
- Publication number
- JPS6131066Y2 JPS6131066Y2 JP18101782U JP18101782U JPS6131066Y2 JP S6131066 Y2 JPS6131066 Y2 JP S6131066Y2 JP 18101782 U JP18101782 U JP 18101782U JP 18101782 U JP18101782 U JP 18101782U JP S6131066 Y2 JPS6131066 Y2 JP S6131066Y2
- Authority
- JP
- Japan
- Prior art keywords
- casing
- hammer ram
- hammer
- sound
- ram
- 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
- 239000011358 absorbing material Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000011121 hardwood Substances 0.000 description 5
- 230000003116 impacting effect Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18101782U JPS5984039U (ja) | 1982-11-30 | 1982-11-30 | 杭打用ドロツプハンマ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18101782U JPS5984039U (ja) | 1982-11-30 | 1982-11-30 | 杭打用ドロツプハンマ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5984039U JPS5984039U (ja) | 1984-06-06 |
| JPS6131066Y2 true JPS6131066Y2 (enrdf_load_stackoverflow) | 1986-09-10 |
Family
ID=30392350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18101782U Granted JPS5984039U (ja) | 1982-11-30 | 1982-11-30 | 杭打用ドロツプハンマ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5984039U (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016142041A (ja) * | 2015-02-02 | 2016-08-08 | 清水建設株式会社 | 鋼管打設時の騒音低減方法 |
-
1982
- 1982-11-30 JP JP18101782U patent/JPS5984039U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5984039U (ja) | 1984-06-06 |
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