JPS4857878A - - Google Patents
Info
- Publication number
- JPS4857878A JPS4857878A JP9164972A JP9164972A JPS4857878A JP S4857878 A JPS4857878 A JP S4857878A JP 9164972 A JP9164972 A JP 9164972A JP 9164972 A JP9164972 A JP 9164972A JP S4857878 A JPS4857878 A JP S4857878A
- Authority
- JP
- Japan
- 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.)
- Pending
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
- B21D51/00—Making hollow objects
-
- 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
- B21D51/00—Making hollow objects
- B21D51/02—Making hollow objects characterised by the structure of the objects
- B21D51/06—Making hollow objects characterised by the structure of the objects folded objects
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7140353A FR2159199B1 (enExample) | 1971-11-10 | 1971-11-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4857878A true JPS4857878A (enExample) | 1973-08-14 |
Family
ID=9085628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9164972A Pending JPS4857878A (enExample) | 1971-11-10 | 1972-09-11 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS4857878A (enExample) |
| FR (1) | FR2159199B1 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0579893A1 (en) * | 1992-07-23 | 1994-01-26 | MONETA IMPIANTI S.p.A. | Apparatus for forming weldless edges on sheet metal articles |
| EP0579894A1 (en) * | 1992-07-23 | 1994-01-26 | MONETA IMPIANTI S.p.A. | Metal sheet shaped to achieve polygonal articles with weldless edges at the vertices and manufacturing method for said article |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2929914A (en) * | 1957-06-06 | 1960-03-22 | Oldberg Mfg Company | Apparatus for fabricating tubular shells |
| DE1111130B (de) * | 1958-05-14 | 1961-07-20 | Bell Ag Maschf | Einrichtung zum Runden, Kalibrieren, Schweissen und Glaetten von Blech zum Bilden von Zargen |
-
1971
- 1971-11-10 FR FR7140353A patent/FR2159199B1/fr not_active Expired
-
1972
- 1972-09-11 JP JP9164972A patent/JPS4857878A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2159199B1 (enExample) | 1974-06-07 |
| FR2159199A1 (enExample) | 1973-06-22 |