FR347504A - Manufacture of metal tubes - Google Patents
Manufacture of metal tubesInfo
- Publication number
- FR347504A FR347504A FR347504DA FR347504A FR 347504 A FR347504 A FR 347504A FR 347504D A FR347504D A FR 347504DA FR 347504 A FR347504 A FR 347504A
- Authority
- FR
- France
- Prior art keywords
- manufacture
- 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
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/154—Making multi-wall tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR347504T | 1904-10-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR347504A true FR347504A (en) | 1905-03-13 |
Family
ID=1396140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR347504D Expired FR347504A (en) | 1904-10-28 | 1904-10-28 | Manufacture of metal tubes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR347504A (en) |
-
1904
- 1904-10-28 FR FR347504D patent/FR347504A/en not_active Expired
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