LU33559A1 - - Google Patents
Info
- Publication number
- LU33559A1 LU33559A1 LU33559DA LU33559A1 LU 33559 A1 LU33559 A1 LU 33559A1 LU 33559D A LU33559D A LU 33559DA LU 33559 A1 LU33559 A1 LU 33559A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B5/00—Rails; Guard rails; Distance-keeping means for them
- E01B5/02—Rails
- E01B5/06—Reversible or invertible rails
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes 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
- B21C37/08—Making tubes with welded or soldered seams
- B21C37/0803—Making tubes with welded or soldered seams the tubes having a special shape, e.g. polygonal tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Support Devices For Sliding Doors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE327193X | 1954-05-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU33559A1 true LU33559A1 (fr) |
Family
ID=3867800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU33559D LU33559A1 (fr) | 1954-05-03 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE528577A (fr) |
| CH (1) | CH327193A (fr) |
| FR (1) | FR1123453A (fr) |
| LU (1) | LU33559A1 (fr) |
-
0
- LU LU33559D patent/LU33559A1/xx unknown
- BE BE528577D patent/BE528577A/fr unknown
-
1955
- 1955-04-28 CH CH327193D patent/CH327193A/fr unknown
- 1955-05-03 FR FR1123453D patent/FR1123453A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE528577A (fr) | |
| CH327193A (fr) | 1958-01-31 |
| FR1123453A (fr) | 1956-09-21 |