BR6909839D0 - Aperfeicoamentos nas ferramentas para realizar a perfuracao de blocos metalicos - Google Patents
Aperfeicoamentos nas ferramentas para realizar a perfuracao de blocos metalicosInfo
- Publication number
- BR6909839D0 BR6909839D0 BR209839/69A BR20983969A BR6909839D0 BR 6909839 D0 BR6909839 D0 BR 6909839D0 BR 209839/69 A BR209839/69 A BR 209839/69A BR 20983969 A BR20983969 A BR 20983969A BR 6909839 D0 BR6909839 D0 BR 6909839D0
- Authority
- BR
- Brazil
- Prior art keywords
- tools
- metallic blocks
- perforate metallic
- perforate
- blocks
- Prior art date
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR156574 | 1968-06-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR6909839D0 true BR6909839D0 (pt) | 1973-04-10 |
Family
ID=8651656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR209839/69A BR6909839D0 (pt) | 1968-06-26 | 1969-06-17 | Aperfeicoamentos nas ferramentas para realizar a perfuracao de blocos metalicos |
Country Status (7)
Country | Link |
---|---|
US (1) | US3581538A (pt) |
BG (1) | BG22792A3 (pt) |
BR (1) | BR6909839D0 (pt) |
DE (1) | DE1913772A1 (pt) |
FR (1) | FR1601305A (pt) |
GB (1) | GB1243884A (pt) |
SU (1) | SU361544A3 (pt) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2069879A1 (pt) * | 1969-11-26 | 1971-09-10 | Cefilac | |
DE3017821A1 (de) * | 1980-05-08 | 1981-11-12 | Mannesmann AG, 4000 Düsseldorf | Einrichtung zum fuehren des dornes in loch- und fliesspressen |
MX354721B (es) | 2012-08-24 | 2018-03-16 | Nippon Steel & Sumitomo Metal Corp | Herramienta de control de superficie interior, obturador, mandril, tren de laminación en caliente, prensa de punzonar, y banco de estirado. |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2756494A (en) * | 1951-10-15 | 1956-07-31 | Comptoir Ind Etirage | Hot punching of metals |
US2956337A (en) * | 1955-08-24 | 1960-10-18 | Cefilac | Method of boring metals |
US2900075A (en) * | 1957-05-28 | 1959-08-18 | Fortunato J Rizzitano | Collapsible plunger head |
FR1380420A (fr) * | 1962-05-22 | 1964-12-04 | Cefilac | Procédé de filage à chaud de profils creux |
GB1117501A (en) * | 1964-10-02 | 1968-06-19 | Loewy Eng Co Ltd | Billet extrusion press |
US3345853A (en) * | 1965-03-23 | 1967-10-10 | Babcock & Wilcox Co | Work feeding method and apparatus for piercing press |
-
1968
- 1968-06-26 FR FR156574A patent/FR1601305A/fr not_active Expired
-
1969
- 1969-03-19 DE DE19691913772 patent/DE1913772A1/de active Pending
- 1969-06-17 US US834129A patent/US3581538A/en not_active Expired - Lifetime
- 1969-06-17 BR BR209839/69A patent/BR6909839D0/pt unknown
- 1969-06-24 BG BG12517A patent/BG22792A3/xx unknown
- 1969-06-25 GB GB32164/69A patent/GB1243884A/en not_active Expired
- 1969-06-26 SU SU1345441A patent/SU361544A3/ru active
Also Published As
Publication number | Publication date |
---|---|
DE1913772A1 (de) | 1970-02-19 |
BG22792A3 (pt) | 1977-04-20 |
SU361544A3 (pt) | 1972-12-07 |
FR1601305A (pt) | 1970-08-17 |
GB1243884A (en) | 1971-08-25 |
US3581538A (en) | 1971-06-01 |
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