DE237434C - - Google Patents
Info
- Publication number
- DE237434C DE237434C DENDAT237434D DE237434DA DE237434C DE 237434 C DE237434 C DE 237434C DE NDAT237434 D DENDAT237434 D DE NDAT237434D DE 237434D A DE237434D A DE 237434DA DE 237434 C DE237434 C DE 237434C
- Authority
- DE
- Germany
- Prior art keywords
- superheaters
- flattening
- widened
- welded
- cutting
- 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.)
- Active
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
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
- B21C37/283—Making U-pieces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE237434C true DE237434C (enrdf_load_html_response) |
Family
ID=497040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT237434D Active DE237434C (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE237434C (enrdf_load_html_response) |
-
0
- DE DENDAT237434D patent/DE237434C/de active Active
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