FR849677A - Process and machine for the manufacture of tubes - Google Patents
Process and machine for the manufacture of tubesInfo
- Publication number
- FR849677A FR849677A FR849677DA FR849677A FR 849677 A FR849677 A FR 849677A FR 849677D A FR849677D A FR 849677DA FR 849677 A FR849677 A FR 849677A
- Authority
- FR
- France
- Prior art keywords
- tubes
- manufacture
- machine
- 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
- B21C37/12—Making tubes or metal hoses with helically arranged seams
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE849677X | 1938-02-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR849677A true FR849677A (en) | 1939-11-29 |
Family
ID=3882090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR849677D Expired FR849677A (en) | 1938-02-03 | 1939-01-31 | Process and machine for the manufacture of tubes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR849677A (en) |
-
1939
- 1939-01-31 FR FR849677D patent/FR849677A/en not_active Expired
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