FR732267A - Procédé de forgeage de tubes concentriques - Google Patents
Procédé de forgeage de tubes concentriquesInfo
- Publication number
- FR732267A FR732267A FR732267DA FR732267A FR 732267 A FR732267 A FR 732267A FR 732267D A FR732267D A FR 732267DA FR 732267 A FR732267 A FR 732267A
- Authority
- FR
- France
- Prior art keywords
- forging process
- concentric tube
- tube forging
- concentric
- 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 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 |
---|---|---|---|
FR732267T | 1931-04-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR732267A true FR732267A (fr) | 1932-09-15 |
Family
ID=9121339
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR732267D Expired FR732267A (fr) | 1931-04-30 | 1931-04-30 | Procédé de forgeage de tubes concentriques |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR732267A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE967920C (de) * | 1950-11-07 | 1957-12-27 | Erich Schmidt | Verfahren zum Verformen von Hohlkoerpern |
-
1931
- 1931-04-30 FR FR732267D patent/FR732267A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE967920C (de) * | 1950-11-07 | 1957-12-27 | Erich Schmidt | Verfahren zum Verformen von Hohlkoerpern |
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