FR601295A - Method for increasing the resistance of hollow metal objects - Google Patents
Method for increasing the resistance of hollow metal objectsInfo
- Publication number
- FR601295A FR601295A FR601295DA FR601295A FR 601295 A FR601295 A FR 601295A FR 601295D A FR601295D A FR 601295DA FR 601295 A FR601295 A FR 601295A
- Authority
- FR
- France
- Prior art keywords
- increasing
- resistance
- hollow metal
- metal objects
- objects
- 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
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P9/00—Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings; Features of such surfaces not otherwise provided for, their treatment being unspecified
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
- C21D7/10—Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars
- C21D7/12—Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars by expanding tubular bodies
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR601295T | 1925-07-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR601295A true FR601295A (en) | 1926-02-26 |
Family
ID=8971140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR601295D Expired FR601295A (en) | 1925-07-24 | 1925-07-24 | Method for increasing the resistance of hollow metal objects |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR601295A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0439764A2 (en) * | 1990-02-02 | 1991-08-07 | EUROPA METALLI - LMI S.p.A. | Process for manufacturing hollow one-piece metal elements |
-
1925
- 1925-07-24 FR FR601295D patent/FR601295A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0439764A2 (en) * | 1990-02-02 | 1991-08-07 | EUROPA METALLI - LMI S.p.A. | Process for manufacturing hollow one-piece metal elements |
EP0439764A3 (en) * | 1990-02-02 | 1991-10-30 | Europa Metalli - Lmi S.P.A. | Process for manufacturing hollow one-piece metal elements |
US5097689A (en) * | 1990-02-02 | 1992-03-24 | Europa Metalli-Lmi S.P.A. | Process for manufacturing hollow one-piece metal elements |
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