FR2130376B1 - - Google Patents
Info
- Publication number
- FR2130376B1 FR2130376B1 FR7209385A FR7209385A FR2130376B1 FR 2130376 B1 FR2130376 B1 FR 2130376B1 FR 7209385 A FR7209385 A FR 7209385A FR 7209385 A FR7209385 A FR 7209385A FR 2130376 B1 FR2130376 B1 FR 2130376B1
- 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
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/007—Hydrostatic extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, 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
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/08—Making wire, bars, tubes
- B21C23/10—Making finned tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Extrusion Of Metal (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE03545/71A SE350712B (it) | 1971-03-19 | 1971-03-19 | |
| SE16884/71A SE361270B (it) | 1971-12-30 | 1971-12-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2130376A1 FR2130376A1 (it) | 1972-11-03 |
| FR2130376B1 true FR2130376B1 (it) | 1975-10-24 |
Family
ID=26654460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7209385A Expired FR2130376B1 (it) | 1971-03-19 | 1972-03-17 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE779655A (it) |
| CA (1) | CA987633A (it) |
| CH (1) | CH530827A (it) |
| FR (1) | FR2130376B1 (it) |
| GB (1) | GB1378575A (it) |
| IT (1) | IT953966B (it) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3601385A1 (de) * | 1986-01-18 | 1987-07-23 | Krupp Gmbh | Verfahren zur herstellung von sinterkoerpern mit inneren kanaelen, strangpresswerkzeug zur durchfuehrung des verfahrens und bohrwerkzeug |
| CN102648371A (zh) * | 2009-11-02 | 2012-08-22 | 德尼培股份有限公司 | 带中断螺纹的联接构件及制造方法 |
| RU178866U1 (ru) * | 2017-02-21 | 2018-04-20 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Московский государственный технологический университет "СТАНКИН" (ФГБОУ ВО "МГТУ "СТАНКИН") | Спиральное сверло |
-
1972
- 1972-02-22 BE BE779655A patent/BE779655A/xx unknown
- 1972-03-13 CH CH373972A patent/CH530827A/de not_active IP Right Cessation
- 1972-03-17 GB GB1255472A patent/GB1378575A/en not_active Expired
- 1972-03-17 IT IT6784772A patent/IT953966B/it active
- 1972-03-17 CA CA137,436A patent/CA987633A/en not_active Expired
- 1972-03-17 FR FR7209385A patent/FR2130376B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2130376A1 (it) | 1972-11-03 |
| DE2212767A1 (de) | 1973-05-17 |
| BE779655A (fr) | 1972-08-16 |
| CH530827A (de) | 1972-11-30 |
| DE2212767B2 (de) | 1976-09-02 |
| GB1378575A (en) | 1974-12-27 |
| IT953966B (it) | 1973-08-10 |
| CA987633A (en) | 1976-04-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |