FR1021070A - Process for modifying the thickness and, optionally, the diameter of a tube - Google Patents
Process for modifying the thickness and, optionally, the diameter of a tubeInfo
- Publication number
- FR1021070A FR1021070A FR1021070DA FR1021070A FR 1021070 A FR1021070 A FR 1021070A FR 1021070D A FR1021070D A FR 1021070DA FR 1021070 A FR1021070 A FR 1021070A
- Authority
- FR
- France
- Prior art keywords
- modifying
- optionally
- tube
- thickness
- diameter
- 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
- B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
- B21C37/205—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls with annular guides
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1021070T | 1950-06-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1021070A true FR1021070A (en) | 1953-02-13 |
Family
ID=9576731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1021070D Expired FR1021070A (en) | 1950-06-28 | 1950-06-28 | Process for modifying the thickness and, optionally, the diameter of a tube |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1021070A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2509412A1 (en) * | 1981-07-08 | 1983-01-14 | Fiz Tech I Akad Nauk | Tubular alloy bellows prodn. for measuring probes - using rapid heating steps to reduce scaling and increase grain size uniformity |
-
1950
- 1950-06-28 FR FR1021070D patent/FR1021070A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2509412A1 (en) * | 1981-07-08 | 1983-01-14 | Fiz Tech I Akad Nauk | Tubular alloy bellows prodn. for measuring probes - using rapid heating steps to reduce scaling and increase grain size uniformity |
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