JPS49109254A - - Google Patents
Info
- Publication number
- JPS49109254A JPS49109254A JP12615573A JP12615573A JPS49109254A JP S49109254 A JPS49109254 A JP S49109254A JP 12615573 A JP12615573 A JP 12615573A JP 12615573 A JP12615573 A JP 12615573A JP S49109254 A JPS49109254 A JP S49109254A
- 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
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/12—Making tubes or metal hoses with helically arranged seams
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE6043948 | 1972-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS49109254A true JPS49109254A (it) | 1974-10-17 |
Family
ID=3874403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12615573A Pending JPS49109254A (it) | 1972-12-15 | 1973-11-09 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS49109254A (it) |
| DE (1) | DE2362222A1 (it) |
| ES (1) | ES418552A1 (it) |
| IT (1) | IT993122B (it) |
-
1973
- 1973-08-31 IT IT2846773A patent/IT993122B/it active
- 1973-09-07 ES ES418552A patent/ES418552A1/es not_active Expired
- 1973-11-09 JP JP12615573A patent/JPS49109254A/ja active Pending
- 1973-12-14 DE DE19732362222 patent/DE2362222A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| ES418552A1 (es) | 1976-03-16 |
| DE2362222A1 (de) | 1974-06-20 |
| IT993122B (it) | 1975-09-30 |