FR4622E - Improvements in the manufacture of serve tubes - Google Patents
Improvements in the manufacture of serve tubesInfo
- Publication number
- FR4622E FR4622E FR4622DA FR4622E FR 4622 E FR4622 E FR 4622E FR 4622D A FR4622D A FR 4622DA FR 4622 E FR4622 E FR 4622E
- Authority
- FR
- France
- Prior art keywords
- tubes
- serve
- manufacture
- serve 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
- B21C37/08—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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR337899T | 1903-12-21 | ||
FR4622T | 1905-03-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR4622E true FR4622E (en) | 1905-09-02 |
Family
ID=1347784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR4622D Expired FR4622E (en) | 1903-12-21 | 1905-03-25 | Improvements in the manufacture of serve tubes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR4622E (en) |
-
1905
- 1905-03-25 FR FR4622D patent/FR4622E/en not_active Expired
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