FR2270090B3 - - Google Patents
Info
- Publication number
- FR2270090B3 FR2270090B3 FR7514368A FR7514368A FR2270090B3 FR 2270090 B3 FR2270090 B3 FR 2270090B3 FR 7514368 A FR7514368 A FR 7514368A FR 7514368 A FR7514368 A FR 7514368A FR 2270090 B3 FR2270090 B3 FR 2270090B3
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
- B29D30/0606—Vulcanising moulds not integral with vulcanising presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742421979 DE2421979A1 (de) | 1974-05-07 | 1974-05-07 | Verfahren zum herstellen von vulkanisierformen fuer fahrzeug-luftreifen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2270090A1 FR2270090A1 (en) | 1975-12-05 |
| FR2270090B3 true FR2270090B3 (cg-RX-API-DMAC10.html) | 1978-11-17 |
Family
ID=5914844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7514368A Granted FR2270090A1 (en) | 1974-05-07 | 1975-05-07 | Machining tyre tread moulds by spark erosion - for modifying moulds without causing adjacent damage |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE828500A (cg-RX-API-DMAC10.html) |
| DE (1) | DE2421979A1 (cg-RX-API-DMAC10.html) |
| FR (1) | FR2270090A1 (cg-RX-API-DMAC10.html) |
-
1974
- 1974-05-07 DE DE19742421979 patent/DE2421979A1/de active Pending
-
1975
- 1975-04-28 BE BE155875A patent/BE828500A/xx unknown
- 1975-05-07 FR FR7514368A patent/FR2270090A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| BE828500A (fr) | 1975-08-18 |
| DE2421979A1 (de) | 1975-12-18 |
| FR2270090A1 (en) | 1975-12-05 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |