CH58849A - Tool for drilling blastholes - Google Patents
Tool for drilling blastholesInfo
- Publication number
- CH58849A CH58849A CH58849A CH58849DA CH58849A CH 58849 A CH58849 A CH 58849A CH 58849 A CH58849 A CH 58849A CH 58849D A CH58849D A CH 58849DA CH 58849 A CH58849 A CH 58849A
- Authority
- CH
- Switzerland
- Prior art keywords
- tool
- drilling blastholes
- blastholes
- drilling
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title 1
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH58849T | 1911-11-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH58849A true CH58849A (en) | 1913-04-01 |
Family
ID=4300938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH58849A CH58849A (en) | 1911-11-01 | 1911-11-01 | Tool for drilling blastholes |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH58849A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2634101A (en) * | 1949-07-08 | 1953-04-07 | Sloan Pearl | Apparatus for accelerating the removal of cuttings from the bottom of wells |
| US2643094A (en) * | 1949-12-05 | 1953-06-23 | Reed Roller Bit Co | Drilling method and apparatus |
| US2807443A (en) * | 1953-11-02 | 1957-09-24 | Joy Mfg Co | Percussive drill bit |
| DE1027608B (en) * | 1952-09-06 | 1958-04-10 | Boehler & Co Ag Geb | Drill bit with flushing channels opening into grooves on the drill casing surface |
-
1911
- 1911-11-01 CH CH58849A patent/CH58849A/en unknown
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2634101A (en) * | 1949-07-08 | 1953-04-07 | Sloan Pearl | Apparatus for accelerating the removal of cuttings from the bottom of wells |
| US2643094A (en) * | 1949-12-05 | 1953-06-23 | Reed Roller Bit Co | Drilling method and apparatus |
| DE1027608B (en) * | 1952-09-06 | 1958-04-10 | Boehler & Co Ag Geb | Drill bit with flushing channels opening into grooves on the drill casing surface |
| US2807443A (en) * | 1953-11-02 | 1957-09-24 | Joy Mfg Co | Percussive drill bit |
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