FR508936A - Perfectionnements apportés aux tubes métalliques - Google Patents
Perfectionnements apportés aux tubes métalliquesInfo
- Publication number
- FR508936A FR508936A FR508936A FR508936DA FR508936A FR 508936 A FR508936 A FR 508936A FR 508936 A FR508936 A FR 508936A FR 508936D A FR508936D A FR 508936DA FR 508936 A FR508936 A FR 508936A
- Authority
- FR
- France
- Prior art keywords
- improvements made
- metal tubes
- tubes
- metal
- 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
- B21C37/08—Making tubes with welded or soldered seams
- B21C37/0803—Making tubes with welded or soldered seams the tubes having a special shape, e.g. polygonal tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR508936T | 1916-03-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR508936A true FR508936A (fr) | 1920-10-27 |
Family
ID=8910697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR508936A Expired FR508936A (fr) | 1916-03-16 | 1916-03-16 | Perfectionnements apportés aux tubes métalliques |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR508936A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4494351A (en) * | 1981-08-18 | 1985-01-22 | Coles Cranes Limited | Booms for cranes or the like |
-
1916
- 1916-03-16 FR FR508936A patent/FR508936A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4494351A (en) * | 1981-08-18 | 1985-01-22 | Coles Cranes Limited | Booms for cranes or the like |
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