FR851476A - Improvements to automatic machine tools, in particular to drills of this type - Google Patents
Improvements to automatic machine tools, in particular to drills of this typeInfo
- Publication number
- FR851476A FR851476A FR851476DA FR851476A FR 851476 A FR851476 A FR 851476A FR 851476D A FR851476D A FR 851476DA FR 851476 A FR851476 A FR 851476A
- Authority
- FR
- France
- Prior art keywords
- drills
- type
- machine tools
- automatic machine
- automatic
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
- B23B39/16—Drilling machines with a plurality of working-spindles; Drilling automatons
- B23B39/22—Drilling machines with a plurality of working-spindles; Drilling automatons with working-spindles in opposite headstocks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE851476X | 1938-03-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR851476A true FR851476A (en) | 1940-01-09 |
Family
ID=3882131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR851476D Expired FR851476A (en) | 1938-03-12 | 1939-03-11 | Improvements to automatic machine tools, in particular to drills of this type |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR851476A (en) |
-
1939
- 1939-03-11 FR FR851476D patent/FR851476A/en not_active Expired
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