FR496564A - Method and device for the manufacture of corrugated metal tubes - Google Patents
Method and device for the manufacture of corrugated metal tubesInfo
- Publication number
- FR496564A FR496564A FR496564DA FR496564A FR 496564 A FR496564 A FR 496564A FR 496564D A FR496564D A FR 496564DA FR 496564 A FR496564 A FR 496564A
- Authority
- FR
- France
- Prior art keywords
- manufacture
- metal tubes
- corrugated metal
- corrugated
- tubes
- 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.)
- Expired
Links
Classifications
-
- 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
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
- B21C37/205—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls with annular guides
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR496564T | 1918-06-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR496564A true FR496564A (en) | 1919-11-11 |
Family
ID=1531975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR496564D Expired FR496564A (en) | 1918-06-21 | 1918-06-21 | Method and device for the manufacture of corrugated metal tubes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR496564A (en) |
-
1918
- 1918-06-21 FR FR496564D patent/FR496564A/en not_active Expired
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