FR677667A - Electric centering machine - Google Patents
Electric centering machineInfo
- Publication number
- FR677667A FR677667A FR677667DA FR677667A FR 677667 A FR677667 A FR 677667A FR 677667D A FR677667D A FR 677667DA FR 677667 A FR677667 A FR 677667A
- Authority
- FR
- France
- Prior art keywords
- centering machine
- electric centering
- electric
- machine
- centering
- 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
- B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
- B23B49/04—Devices for boring or drilling centre holes in workpieces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE315309X | 1928-07-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR677667A true FR677667A (en) | 1930-03-13 |
Family
ID=3867618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR677667D Expired FR677667A (en) | 1928-07-11 | 1929-07-01 | Electric centering machine |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR677667A (en) |
GB (1) | GB315309A (en) |
-
1929
- 1929-07-01 FR FR677667D patent/FR677667A/en not_active Expired
- 1929-07-03 GB GB20470/29A patent/GB315309A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB315309A (en) | 1930-03-06 |
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