FR730469A - Method and machine for punching ductile sheet materials - Google Patents
Method and machine for punching ductile sheet materialsInfo
- Publication number
- FR730469A FR730469A FR730469DA FR730469A FR 730469 A FR730469 A FR 730469A FR 730469D A FR730469D A FR 730469DA FR 730469 A FR730469 A FR 730469A
- Authority
- FR
- France
- Prior art keywords
- punching
- machine
- sheet materials
- ductile sheet
- ductile
- Prior art date
- 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
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
- B21D31/02—Stabbing or piercing, e.g. for making sieves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR730469T | 1932-01-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR730469A true FR730469A (en) | 1932-08-16 |
Family
ID=9114613
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR730469D Expired FR730469A (en) | 1932-01-25 | 1932-01-25 | Method and machine for punching ductile sheet materials |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR730469A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE847629C (en) * | 1933-02-22 | 1952-08-25 | Baker & Co | Electron tubes with perforated sheet metal electrode and electrodes for it |
FR2355625A1 (en) * | 1976-06-21 | 1978-01-20 | Chloride Group Ltd | METHOD AND APPARATUS FOR PERFORATING A METAL STRIP |
-
1932
- 1932-01-25 FR FR730469D patent/FR730469A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE847629C (en) * | 1933-02-22 | 1952-08-25 | Baker & Co | Electron tubes with perforated sheet metal electrode and electrodes for it |
FR2355625A1 (en) * | 1976-06-21 | 1978-01-20 | Chloride Group Ltd | METHOD AND APPARATUS FOR PERFORATING A METAL STRIP |
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