FR709911A - Tube - Google Patents
TubeInfo
- Publication number
- FR709911A FR709911A FR709911DA FR709911A FR 709911 A FR709911 A FR 709911A FR 709911D A FR709911D A FR 709911DA FR 709911 A FR709911 A FR 709911A
- Authority
- FR
- France
- Prior art keywords
- tube
- 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, 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
- B21C37/08—Making tubes with welded or soldered seams
- B21C37/09—Making tubes with welded or soldered seams of coated strip material ; Making multi-wall tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US709911XA | 1930-03-26 | 1930-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR709911A true FR709911A (fr) | 1931-08-14 |
Family
ID=22098599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR709911D Expired FR709911A (fr) | 1930-03-26 | 1931-01-24 | Tube |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR709911A (fr) |
-
1931
- 1931-01-24 FR FR709911D patent/FR709911A/fr not_active Expired
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