DE284814C - - Google Patents
Info
- Publication number
- DE284814C DE284814C DENDAT284814D DE284814DA DE284814C DE 284814 C DE284814 C DE 284814C DE NDAT284814 D DENDAT284814 D DE NDAT284814D DE 284814D A DE284814D A DE 284814DA DE 284814 C DE284814 C DE 284814C
- Authority
- DE
- Germany
- Prior art keywords
- wire
- mandrel
- rollers
- turns
- winding
- 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
- B21C37/12—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)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE284814C true DE284814C (cs) |
Family
ID=540249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT284814D Active DE284814C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE284814C (cs) |
-
0
- DE DENDAT284814D patent/DE284814C/de active Active
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