DE136008C - - Google Patents
Info
- Publication number
- DE136008C DE136008C DENDAT136008D DE136008DA DE136008C DE 136008 C DE136008 C DE 136008C DE NDAT136008 D DENDAT136008 D DE NDAT136008D DE 136008D A DE136008D A DE 136008DA DE 136008 C DE136008 C DE 136008C
- Authority
- DE
- Germany
- Prior art keywords
- pipes
- metal strips
- heating
- fan
- bent
- 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
- B21C37/26—Making finned or ribbed tubes by fixing strip or like material to tubes helically-ribbed tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE136008C true DE136008C (enrdf_load_stackoverflow) |
Family
ID=403992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT136008D Active DE136008C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE136008C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT136008D patent/DE136008C/de active Active
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