FR2121501B1 - - Google Patents
Info
- Publication number
- FR2121501B1 FR2121501B1 FR7138824A FR7138824A FR2121501B1 FR 2121501 B1 FR2121501 B1 FR 2121501B1 FR 7138824 A FR7138824 A FR 7138824A FR 7138824 A FR7138824 A FR 7138824A FR 2121501 B1 FR2121501 B1 FR 2121501B1
- 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
- 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
- B21K21/12—Shaping end portions of hollow articles
- B21K21/14—Shaping end portions of hollow articles closed or substantially-closed ends, e.g. cartridge bottoms
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712101313 DE2101313A1 (de) | 1971-01-13 | 1971-01-13 | Verfahren zur Herstellung von einseitig geschlossenen metallischen Hohlkörpern |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2121501A1 FR2121501A1 (https=) | 1972-08-25 |
| FR2121501B1 true FR2121501B1 (https=) | 1974-05-10 |
Family
ID=5795717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7138824A Expired FR2121501B1 (https=) | 1971-01-13 | 1971-10-28 |
Country Status (5)
| Country | Link |
|---|---|
| BR (1) | BR7107825D0 (https=) |
| DE (1) | DE2101313A1 (https=) |
| FR (1) | FR2121501B1 (https=) |
| GB (1) | GB1341141A (https=) |
| IT (1) | IT939486B (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2209705C2 (ru) * | 2001-07-16 | 2003-08-10 | Открытое акционерное общество "Новосибирский завод химконцентратов" | Заготовка оболочки многослойных изделий и устройство для ее изготовления |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2429543B2 (de) * | 1974-06-20 | 1978-02-23 | Bayer. Leichtmetallwerk, Graf Blücher von Wahlstatt KG, 8000 München | Vorrichtung zum schmieden schraegoder bogenverzahnter kegelzahnraeder |
| GB2206178B (en) * | 1987-06-26 | 1991-07-10 | Xerox Corp | Impact extruded developer roll |
| CN113059016B (zh) * | 2021-03-16 | 2022-04-05 | 中北大学 | 大高径比筒体变薄引伸挤压复合成形模具 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1102764A (fr) * | 1953-06-24 | 1955-10-25 | Kellver A G | Procédé et dispositif pour la fabrication de corps creux, sans soudure, ouverts d'un côté |
-
1971
- 1971-01-13 DE DE19712101313 patent/DE2101313A1/de active Pending
- 1971-09-28 IT IT5314771A patent/IT939486B/it active
- 1971-10-28 FR FR7138824A patent/FR2121501B1/fr not_active Expired
- 1971-11-24 BR BR782571A patent/BR7107825D0/pt unknown
-
1972
- 1972-01-12 GB GB138872A patent/GB1341141A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2209705C2 (ru) * | 2001-07-16 | 2003-08-10 | Открытое акционерное общество "Новосибирский завод химконцентратов" | Заготовка оболочки многослойных изделий и устройство для ее изготовления |
Also Published As
| Publication number | Publication date |
|---|---|
| BR7107825D0 (pt) | 1973-03-29 |
| GB1341141A (en) | 1973-12-19 |
| DE2101313A1 (de) | 1972-07-27 |
| IT939486B (it) | 1973-02-10 |
| FR2121501A1 (https=) | 1972-08-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |