FR1290312A - Benne de forage perfectionnée - Google Patents
Benne de forage perfectionnéeInfo
- Publication number
- FR1290312A FR1290312A FR854427A FR854427A FR1290312A FR 1290312 A FR1290312 A FR 1290312A FR 854427 A FR854427 A FR 854427A FR 854427 A FR854427 A FR 854427A FR 1290312 A FR1290312 A FR 1290312A
- Authority
- FR
- France
- Prior art keywords
- drill bucket
- advanced drill
- advanced
- bucket
- drill
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D1/00—Sinking shafts
- E21D1/03—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws
- E21D1/04—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws with grabs
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR854427A FR1290312A (fr) | 1961-03-02 | 1961-03-02 | Benne de forage perfectionnée |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR854427A FR1290312A (fr) | 1961-03-02 | 1961-03-02 | Benne de forage perfectionnée |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1290312A true FR1290312A (fr) | 1962-04-13 |
Family
ID=8750019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR854427A Expired FR1290312A (fr) | 1961-03-02 | 1961-03-02 | Benne de forage perfectionnée |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1290312A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4772749A (en) * | 1982-12-24 | 1988-09-20 | Degussa Aktiengesellschaft | Process for the recovery of malic acid |
-
1961
- 1961-03-02 FR FR854427A patent/FR1290312A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4772749A (en) * | 1982-12-24 | 1988-09-20 | Degussa Aktiengesellschaft | Process for the recovery of malic acid |
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