FR2475947B1 - - Google Patents
Info
- Publication number
- FR2475947B1 FR2475947B1 FR8003747A FR8003747A FR2475947B1 FR 2475947 B1 FR2475947 B1 FR 2475947B1 FR 8003747 A FR8003747 A FR 8003747A FR 8003747 A FR8003747 A FR 8003747A FR 2475947 B1 FR2475947 B1 FR 2475947B1
- 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
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/22—Deep-drawing with devices for holding the edge of the blanks
- B21D22/225—Deep-drawing with devices for holding the edge of the blanks with members for radially pushing the blanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
- B21D24/10—Devices controlling or operating blank holders independently, or in conjunction with dies
- B21D24/14—Devices controlling or operating blank holders independently, or in conjunction with dies pneumatically or hydraulically
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8003747A FR2475947A1 (fr) | 1980-02-20 | 1980-02-20 | Procede de production d'articles creux par emboutissage profond, presse pour la mise en oeuvre de ce procede et articles creux obtenus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8003747A FR2475947A1 (fr) | 1980-02-20 | 1980-02-20 | Procede de production d'articles creux par emboutissage profond, presse pour la mise en oeuvre de ce procede et articles creux obtenus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2475947A1 FR2475947A1 (fr) | 1981-08-21 |
| FR2475947B1 true FR2475947B1 (US20100012521A1-20100121-C00001.png) | 1984-03-23 |
Family
ID=9238774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8003747A Granted FR2475947A1 (fr) | 1980-02-20 | 1980-02-20 | Procede de production d'articles creux par emboutissage profond, presse pour la mise en oeuvre de ce procede et articles creux obtenus |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2475947A1 (US20100012521A1-20100121-C00001.png) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2557479B1 (fr) * | 1983-12-30 | 1987-05-07 | Dunlop Sa | Procede et outillage de realisation d'une roue de vehicule a jante amincie en une seule piece d'acier |
| CN101869944A (zh) * | 2010-04-15 | 2010-10-27 | 重庆理工大学 | 通过固体颗粒介质加径向推力的可变形状凸模成形模具 |
| CN101837409A (zh) * | 2010-06-30 | 2010-09-22 | 重庆理工大学 | 一种基于固体颗粒介质的刚性柔性复合成型模具 |
| CN101850388A (zh) * | 2010-06-30 | 2010-10-06 | 重庆理工大学 | 基于固体颗粒介质径向推力和背压的板料成型模具 |
| CN104785599B (zh) * | 2014-01-22 | 2017-01-04 | 广东科达洁能股份有限公司 | 金属复合成型自动液压机 |
-
1980
- 1980-02-20 FR FR8003747A patent/FR2475947A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2475947A1 (fr) | 1981-08-21 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |