FR2177802B1 - - Google Patents
Info
- Publication number
- FR2177802B1 FR2177802B1 FR7308820A FR7308820A FR2177802B1 FR 2177802 B1 FR2177802 B1 FR 2177802B1 FR 7308820 A FR7308820 A FR 7308820A FR 7308820 A FR7308820 A FR 7308820A FR 2177802 B1 FR2177802 B1 FR 2177802B1
- Authority
- FR
- France
- 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
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
- B23H9/14—Making holes
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH438672A CH538887A (fr) | 1972-03-24 | 1972-03-24 | Procédé de fabrication d'une électrode pour l'usinage par électro-érosion, et électrode obtenue par ce procédé |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2177802A1 FR2177802A1 (fr) | 1973-11-09 |
| FR2177802B1 true FR2177802B1 (fr) | 1979-03-23 |
Family
ID=4275142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7308820A Expired FR2177802B1 (fr) | 1972-03-24 | 1973-03-13 |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH538887A (fr) |
| DE (1) | DE2313813A1 (fr) |
| FR (1) | FR2177802B1 (fr) |
| GB (1) | GB1418755A (fr) |
| IT (1) | IT980671B (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4470896A (en) * | 1982-04-28 | 1984-09-11 | Le Carbone Lorraine | Internal or external dielectric distributor for electrodes |
| US4973809A (en) * | 1986-11-03 | 1990-11-27 | Jenkins Henry H | Cutting and gouging electrode |
| JPH0724640A (ja) * | 1993-07-14 | 1995-01-27 | Kansai Pipe Kogyo Kk | 放電加工用多孔電極管およびその製造方法 |
| DE59701782D1 (de) * | 1997-11-26 | 2000-06-29 | Balzer Technik Sa Domdidier | Hartmetall-Elektroerosionselektrode |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3622735A (en) * | 1970-07-15 | 1971-11-23 | Uniform Tubes Inc | Nontrepanning nonrotary electrode for electroerosion of metals |
-
1972
- 1972-03-24 CH CH438672A patent/CH538887A/fr not_active IP Right Cessation
-
1973
- 1973-03-12 GB GB1174373A patent/GB1418755A/en not_active Expired
- 1973-03-13 IT IT6770373A patent/IT980671B/it active
- 1973-03-13 FR FR7308820A patent/FR2177802B1/fr not_active Expired
- 1973-03-16 DE DE19732313813 patent/DE2313813A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1418755A (en) | 1975-12-24 |
| CH538887A (fr) | 1973-07-15 |
| DE2313813A1 (de) | 1973-10-18 |
| IT980671B (it) | 1974-10-10 |
| FR2177802A1 (fr) | 1973-11-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |