DE131753C - - Google Patents
Info
- Publication number
- DE131753C DE131753C DENDAT131753D DE131753DA DE131753C DE 131753 C DE131753 C DE 131753C DE NDAT131753 D DENDAT131753 D DE NDAT131753D DE 131753D A DE131753D A DE 131753DA DE 131753 C DE131753 C DE 131753C
- Authority
- DE
- Germany
- Prior art keywords
- tube
- ribs
- pushed onto
- sheet metal
- rib
- 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
- B21C37/22—Making finned or ribbed tubes by fixing strip or like material to tubes
- B21C37/24—Making finned or ribbed tubes by fixing strip or like material to tubes annularly-ribbed tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE131753C true DE131753C (cg-RX-API-DMAC7.html) |
Family
ID=400062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT131753D Active DE131753C (cg-RX-API-DMAC7.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE131753C (cg-RX-API-DMAC7.html) |
-
0
- DE DENDAT131753D patent/DE131753C/de active Active
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