JPS5064155A - - Google Patents
Info
- Publication number
- JPS5064155A JPS5064155A JP49101005A JP10100574A JPS5064155A JP S5064155 A JPS5064155 A JP S5064155A JP 49101005 A JP49101005 A JP 49101005A JP 10100574 A JP10100574 A JP 10100574A JP S5064155 A JPS5064155 A JP S5064155A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00394202A US3841137A (en) | 1973-09-04 | 1973-09-04 | Method of improving the collapse strength of conduits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5064155A true JPS5064155A (ja) | 1975-05-31 |
Family
ID=23557981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49101005A Pending JPS5064155A (ja) | 1973-09-04 | 1974-09-04 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3841137A (ja) |
| JP (1) | JPS5064155A (ja) |
| CA (1) | CA1006793A (ja) |
| DE (1) | DE2438700A1 (ja) |
| FR (1) | FR2242470A1 (ja) |
| GB (1) | GB1422927A (ja) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8746028B2 (en) | 2002-07-11 | 2014-06-10 | Weatherford/Lamb, Inc. | Tubing expansion |
| GB0216074D0 (en) * | 2002-07-11 | 2002-08-21 | Weatherford Lamb | Improving collapse resistance of tubing |
| US12358038B2 (en) | 2017-02-14 | 2025-07-15 | United States Steel Corporation | Metallic tubular products with enhanced collapse resistance |
| JP2020510140A (ja) * | 2017-02-14 | 2020-04-02 | ユナイテッド ステイツ スチール コーポレイションUnited States Steel Corporation | 金属管状製品のコラプス抵抗を向上させるための圧縮成形プロセス |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US16220A (en) * | 1856-12-09 | Samuel carson | ||
| US2178141A (en) * | 1937-07-29 | 1939-10-31 | Nat Supply Co | Method for straightening oil-well casings or the like |
-
1973
- 1973-09-04 US US00394202A patent/US3841137A/en not_active Expired - Lifetime
-
1974
- 1974-07-30 CA CA205,976A patent/CA1006793A/en not_active Expired
- 1974-08-12 DE DE2438700A patent/DE2438700A1/de active Pending
- 1974-08-30 GB GB3807874A patent/GB1422927A/en not_active Expired
- 1974-09-03 FR FR7429909A patent/FR2242470A1/fr not_active Withdrawn
- 1974-09-04 JP JP49101005A patent/JPS5064155A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3841137A (en) | 1974-10-15 |
| DE2438700A1 (de) | 1975-03-06 |
| GB1422927A (en) | 1976-01-28 |
| CA1006793A (en) | 1977-03-15 |
| FR2242470A1 (ja) | 1975-03-28 |