FR2014862A1 - - Google Patents
Info
- Publication number
- FR2014862A1 FR2014862A1 FR6926243A FR6926243A FR2014862A1 FR 2014862 A1 FR2014862 A1 FR 2014862A1 FR 6926243 A FR6926243 A FR 6926243A FR 6926243 A FR6926243 A FR 6926243A FR 2014862 A1 FR2014862 A1 FR 2014862A1
- 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.)
- Withdrawn
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
- B21C23/02—Making uncoated products
- B21C23/20—Making uncoated products by backward extrusion
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB36717/68A GB1207407A (en) | 1968-08-01 | 1968-08-01 | Apparatus for use in forming shells from billets |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2014862A1 true FR2014862A1 (fr) | 1970-04-24 |
Family
ID=10390622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6926243A Withdrawn FR2014862A1 (fr) | 1968-08-01 | 1969-07-31 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3651681A (fr) |
AT (1) | AT290261B (fr) |
DE (2) | DE6930247U (fr) |
FR (1) | FR2014862A1 (fr) |
GB (1) | GB1207407A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1155833B (it) * | 1978-02-17 | 1987-01-28 | Its Italtractor Sud Spa | Procedimento perfezionato per l'estrusione a freddo di boccole metalliche in particolare per cingoli di trattori o simili ed attrezzatura per l'attuazione del procedimento |
CN103302124B (zh) * | 2013-04-27 | 2015-08-19 | 太原科技大学 | 一种带安全保护的热反挤压冲头装置 |
CN103639227B (zh) * | 2013-12-09 | 2016-03-09 | 哈尔滨工业大学 | 一种制造超薄壁微小圆筒件的模具与方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1082200A (en) * | 1910-01-04 | 1913-12-23 | Rheinische Metallw & Maschf | Manufacture of hollow bodies. |
US3263468A (en) * | 1965-04-21 | 1966-08-02 | Anaconda American Brass Co | Method and apparatus for extrusion of tubes |
-
1968
- 1968-08-01 GB GB36717/68A patent/GB1207407A/en not_active Expired
-
1969
- 1969-07-28 US US845253A patent/US3651681A/en not_active Expired - Lifetime
- 1969-07-28 AT AT728069A patent/AT290261B/de not_active IP Right Cessation
- 1969-07-31 FR FR6926243A patent/FR2014862A1/fr not_active Withdrawn
- 1969-07-31 DE DE6930247U patent/DE6930247U/de not_active Expired
- 1969-07-31 DE DE19691938866 patent/DE1938866A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
US3651681A (en) | 1972-03-28 |
GB1207407A (en) | 1970-09-30 |
DE1938866A1 (de) | 1970-07-23 |
DE6930247U (de) | 1973-09-06 |
AT290261B (de) | 1971-05-25 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |