FR2143749A1 - - Google Patents
Info
- Publication number
- FR2143749A1 FR2143749A1 FR7222854A FR7222854A FR2143749A1 FR 2143749 A1 FR2143749 A1 FR 2143749A1 FR 7222854 A FR7222854 A FR 7222854A FR 7222854 A FR7222854 A FR 7222854A FR 2143749 A1 FR2143749 A1 FR 2143749A1
- 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.)
- Granted
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
- B21D28/243—Perforating, i.e. punching holes in profiles
-
- 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)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712131911 DE2131911B1 (de) | 1971-06-26 | 1971-06-26 | Lochstanze fuer insbesondere kleine winkelprofile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2143749A1 true FR2143749A1 (enExample) | 1973-02-09 |
| FR2143749B3 FR2143749B3 (enExample) | 1975-08-08 |
Family
ID=5811933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7222854A Expired FR2143749B3 (enExample) | 1971-06-26 | 1972-06-23 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2131911B1 (enExample) |
| FR (1) | FR2143749B3 (enExample) |
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1971
- 1971-06-26 DE DE19712131911 patent/DE2131911B1/de not_active Ceased
-
1972
- 1972-06-23 FR FR7222854A patent/FR2143749B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2143749B3 (enExample) | 1975-08-08 |
| DE2131911A1 (enExample) | 1973-01-04 |
| DE2131911B1 (de) | 1973-01-04 |