FR2447253B1 - - Google Patents
Info
- Publication number
- FR2447253B1 FR2447253B1 FR8001435A FR8001435A FR2447253B1 FR 2447253 B1 FR2447253 B1 FR 2447253B1 FR 8001435 A FR8001435 A FR 8001435A FR 8001435 A FR8001435 A FR 8001435A FR 2447253 B1 FR2447253 B1 FR 2447253B1
- 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
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
- Automatic Assembly (AREA)
- Presses And Accessory Devices Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2903179A DE2903179C2 (de) | 1979-01-27 | 1979-01-27 | Kraftbetriebenes Handwerkszeug, insbesondere Lochpresse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2447253A1 FR2447253A1 (fr) | 1980-08-22 |
| FR2447253B1 true FR2447253B1 (enrdf_load_stackoverflow) | 1983-12-16 |
Family
ID=6061551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8001435A Granted FR2447253A1 (fr) | 1979-01-27 | 1980-01-23 | Boulon d'assemblage comportant des moyens de retenue du boulon d'assemblage en cas de rupture de celui-ci |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS55103299A (enrdf_load_stackoverflow) |
| DE (1) | DE2903179C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2447253A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2042667B (enrdf_load_stackoverflow) |
| IT (1) | IT1129564B (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328453B (zh) * | 2011-10-09 | 2014-11-19 | 陈浩波 | 压力机卸压安全保护装置 |
-
1979
- 1979-01-27 DE DE2903179A patent/DE2903179C2/de not_active Expired
-
1980
- 1980-01-17 GB GB8001643A patent/GB2042667B/en not_active Expired
- 1980-01-18 IT IT19298/80A patent/IT1129564B/it active
- 1980-01-23 FR FR8001435A patent/FR2447253A1/fr active Granted
- 1980-01-28 JP JP786580A patent/JPS55103299A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IT1129564B (it) | 1986-06-11 |
| DE2903179C2 (de) | 1981-01-15 |
| DE2903179B1 (de) | 1980-05-08 |
| GB2042667B (en) | 1982-11-24 |
| IT8019298A0 (it) | 1980-01-18 |
| JPS55103299A (en) | 1980-08-07 |
| FR2447253A1 (fr) | 1980-08-22 |
| GB2042667A (en) | 1980-09-24 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |