FR2464764B1 - - Google Patents
Info
- Publication number
- FR2464764B1 FR2464764B1 FR8019799A FR8019799A FR2464764B1 FR 2464764 B1 FR2464764 B1 FR 2464764B1 FR 8019799 A FR8019799 A FR 8019799A FR 8019799 A FR8019799 A FR 8019799A FR 2464764 B1 FR2464764 B1 FR 2464764B1
- 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
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
-
- 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)
- Food-Manufacturing Devices (AREA)
- Punching Or Piercing (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2937296A DE2937296C2 (en) | 1979-09-12 | 1979-09-12 | Use of a dragonfly body |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2464764A1 FR2464764A1 (en) | 1981-03-20 |
FR2464764B1 true FR2464764B1 (en) | 1985-03-01 |
Family
ID=6080928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8019799A Granted FR2464764A1 (en) | 1979-09-12 | 1980-09-12 | Punching of blanks for mfr. of seamless tubes - indicating error of alignment by mercury bubble level |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2937296C2 (en) |
FR (1) | FR2464764A1 (en) |
HU (1) | HU178890B (en) |
IT (1) | IT1132678B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4927300A (en) * | 1987-04-06 | 1990-05-22 | Regents Of The University Of Minnesota | Intelligent insert with integral sensor |
US4927299A (en) * | 1987-05-21 | 1990-05-22 | Regents Of The University Of Minnesota | Integral acoustic emission sensor for manufacturing processes and mechanical components |
EP0419460A1 (en) * | 1988-06-17 | 1991-04-03 | The Regents Of The University Of Minnesota | Integral acoustic emission sensor for manufacturing processes and mechanical components |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2338811A (en) * | 1941-04-11 | 1944-01-11 | Olive S Petty | Level indicator |
FR1477015A (en) * | 1966-04-21 | 1967-04-14 | Fuchs Otto | Embossing press device |
US3555865A (en) * | 1967-04-17 | 1971-01-19 | Edmund J Sebastian | Forging apparatus and method |
US3786472A (en) * | 1971-10-07 | 1974-01-15 | F Scopacasa | Electric level |
DE2525698A1 (en) * | 1974-06-10 | 1976-01-02 | Transtronic Ag | Appts determining adjusting and storing direction - designed esp for alignment of machine part e.g. drill or bucket boom |
DE2550710A1 (en) * | 1975-11-12 | 1977-05-18 | Dieter Pilkahn | Electric levelling instrument - contains two liquid switches which break contact when two reference edges are not exactly horizontal and vertical resp. |
US4103530A (en) * | 1977-04-18 | 1978-08-01 | Aetna-Standard Engineering Company | Self-centering punch for billet centering machine or the like |
-
1979
- 1979-09-12 DE DE2937296A patent/DE2937296C2/en not_active Expired
-
1980
- 1980-07-25 HU HU80801867A patent/HU178890B/en unknown
- 1980-09-05 IT IT24499/80A patent/IT1132678B/en active
- 1980-09-12 FR FR8019799A patent/FR2464764A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2937296C2 (en) | 1984-01-19 |
IT8024499A0 (en) | 1980-09-05 |
HU178890B (en) | 1982-07-28 |
FR2464764A1 (en) | 1981-03-20 |
DE2937296A1 (en) | 1981-03-19 |
IT1132678B (en) | 1986-07-02 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |