FR2412367B1 - - Google Patents
Info
- Publication number
- FR2412367B1 FR2412367B1 FR7739068A FR7739068A FR2412367B1 FR 2412367 B1 FR2412367 B1 FR 2412367B1 FR 7739068 A FR7739068 A FR 7739068A FR 7739068 A FR7739068 A FR 7739068A FR 2412367 B1 FR2412367 B1 FR 2412367B1
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/20—Making uncoated products by backward extrusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/02—Special design or construction
- B21J9/04—Piercing presses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K21/00—Making hollow articles not covered by a single preceding sub-group
- B21K21/08—Shaping hollow articles with different cross-section in longitudinal direction, e.g. nozzles, spark-plugs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7739068A FR2412367A1 (fr) | 1977-12-23 | 1977-12-23 | Procede et dispositif de fabrication des pieces creuses par filage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7739068A FR2412367A1 (fr) | 1977-12-23 | 1977-12-23 | Procede et dispositif de fabrication des pieces creuses par filage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2412367A1 FR2412367A1 (fr) | 1979-07-20 |
| FR2412367B1 true FR2412367B1 (fr) | 1981-04-10 |
Family
ID=9199302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7739068A Granted FR2412367A1 (fr) | 1977-12-23 | 1977-12-23 | Procede et dispositif de fabrication des pieces creuses par filage |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2412367A1 (fr) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE498176C (de) * | 1930-05-19 | Eduard Halter | Lochen runder Metallbloecke | |
| US1702278A (en) * | 1928-05-18 | 1929-02-19 | Simons Abraham | Method of making seamless containers |
| GB449420A (en) * | 1935-03-13 | 1936-06-26 | Stewarts & Lloyds Ltd | Improvements relating to the manufacture of hollow metal articles such as tubes |
| DE905215C (de) * | 1938-04-08 | 1954-03-01 | Rheinmetall Borsig Ag | Vorrichtung zum Lochen von Hohlkoerpern |
| FR863445A (fr) * | 1940-02-16 | 1941-04-01 | Boulonnerie Et De Matricage De | Dispositif pour la fabrication, par matriçage de précision, de pièces métalliques telles que des fusées d'obus |
| DE887435C (de) * | 1943-01-22 | 1953-08-24 | Hans Haller | Vorrichtung zur Herstellung von Hohlkoerpern |
| FR996861A (fr) * | 1949-08-27 | 1951-12-27 | Procédé et dispositif pour l'emboutissage et le filage de métaux et articles en résultant | |
| DE1577029A1 (de) * | 1966-01-26 | 1970-04-09 | Kabel U Metallwerke Neumeyer G | Vorrichtung zum Kaltverformen von Stangenabschnitten aus Metall |
| DE1752007C2 (de) * | 1968-03-20 | 1983-04-28 | Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover | Verfahren und Vorrichtung zum Fließpressen von rohrförmigen Werkstücken, insbesondere von Flanschen mit hohem Rohransatz |
| DD99113A1 (fr) * | 1971-11-08 | 1973-07-20 |
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1977
- 1977-12-23 FR FR7739068A patent/FR2412367A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2412367A1 (fr) | 1979-07-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |