LU30891A1 - - Google Patents
Info
- Publication number
- LU30891A1 LU30891A1 LU30891DA LU30891A1 LU 30891 A1 LU30891 A1 LU 30891A1 LU 30891D A LU30891D A LU 30891DA LU 30891 A1 LU30891 A1 LU 30891A1
- Authority
- LU
- Luxembourg
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
- B21C37/124—Making tubes or metal hoses with helically arranged seams the tubes having a special shape, e.g. with corrugated wall, flexible tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH685905X | 1950-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU30891A1 true LU30891A1 (https=) | 1952-05-16 |
Family
ID=4528856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU30891D LU30891A1 (https=) | 1950-07-27 | 1951-07-19 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE504874A (https=) |
| CH (1) | CH286936A (https=) |
| DE (1) | DE894383C (https=) |
| GB (1) | GB685905A (https=) |
| LU (1) | LU30891A1 (https=) |
-
1950
- 1950-10-02 CH CH286936D patent/CH286936A/de unknown
-
1951
- 1951-07-19 LU LU30891D patent/LU30891A1/xx unknown
- 1951-07-23 GB GB17428/51A patent/GB685905A/en not_active Expired
- 1951-07-25 DE DEB16009A patent/DE894383C/de not_active Expired
- 1951-08-14 BE BE504874D patent/BE504874A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH286936A (de) | 1952-11-15 |
| DE894383C (de) | 1953-10-26 |
| BE504874A (https=) | 1952-12-15 |
| GB685905A (en) | 1953-01-14 |