JPS498152B1 - - Google Patents
Info
- Publication number
- JPS498152B1 JPS498152B1 JP45082567A JP8256770A JPS498152B1 JP S498152 B1 JPS498152 B1 JP S498152B1 JP 45082567 A JP45082567 A JP 45082567A JP 8256770 A JP8256770 A JP 8256770A JP S498152 B1 JPS498152 B1 JP S498152B1
- Authority
- JP
- Japan
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D11/00—Portable percussive tools with electromotor or other motor drive
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
- E02D7/08—Drop drivers with free-falling hammer
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP45082567A JPS498152B1 (en) | 1970-09-22 | 1970-09-22 | |
| US00130728A US3713498A (en) | 1970-09-22 | 1971-04-02 | Electric motor hammer and striking tool |
| DE19712123040 DE2123040C3 (en) | 1970-09-22 | 1971-05-10 | Electric hammer |
| GB1953571*[A GB1307322A (en) | 1970-09-22 | 1971-06-08 | Electric motor hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP45082567A JPS498152B1 (en) | 1970-09-22 | 1970-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS498152B1 true JPS498152B1 (en) | 1974-02-25 |
Family
ID=13778051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP45082567A Pending JPS498152B1 (en) | 1970-09-22 | 1970-09-22 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3713498A (en) |
| JP (1) | JPS498152B1 (en) |
| GB (1) | GB1307322A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1983002082A1 (en) * | 1981-12-10 | 1983-06-23 | Cunningham, James, D. | Electrically driven impact tool and method of operating the same |
| US4759412A (en) * | 1986-10-20 | 1988-07-26 | Brazell Ii James W | Rock breaking device |
| US20090000799A1 (en) * | 2007-06-28 | 2009-01-01 | Ottis Charles Foster | Automatic Drop Hammer |
| CN114344666B (en) * | 2021-12-27 | 2023-05-30 | 浙江机电职业技术学院 | Psychological decompression tool and assembly thereof |
-
1970
- 1970-09-22 JP JP45082567A patent/JPS498152B1/ja active Pending
-
1971
- 1971-04-02 US US00130728A patent/US3713498A/en not_active Expired - Lifetime
- 1971-06-08 GB GB1953571*[A patent/GB1307322A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2123040A1 (en) | 1972-03-23 |
| DE2123040B2 (en) | 1975-09-11 |
| GB1307322A (en) | 1973-02-21 |
| US3713498A (en) | 1973-01-30 |