CA1034358A - Strengthening the surface of tubular stock, such as straight or curved heat exchanger tubes - Google Patents
Strengthening the surface of tubular stock, such as straight or curved heat exchanger tubesInfo
- Publication number
- CA1034358A CA1034358A CA241,667A CA241667A CA1034358A CA 1034358 A CA1034358 A CA 1034358A CA 241667 A CA241667 A CA 241667A CA 1034358 A CA1034358 A CA 1034358A
- Authority
- CA
- Canada
- Prior art keywords
- strengthening
- straight
- heat exchanger
- exchanger tubes
- tubular stock
- 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
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B39/00—Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor
- B24B39/04—Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor designed for working external surfaces of revolution
- B24B39/045—Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor designed for working external surfaces of revolution the working tool being composed of a plurality of working rolls or balls
-
- 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
- C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
- C21D7/08—Modifying the physical properties of iron or steel by deformation by cold working of the surface by burnishing or the like
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742459140 DE2459140C3 (en) | 1974-12-12 | Device for surface consolidation of heat exchanger tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1034358A true CA1034358A (en) | 1978-07-11 |
Family
ID=5933377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA241,667A Expired CA1034358A (en) | 1974-12-12 | 1975-12-12 | Strengthening the surface of tubular stock, such as straight or curved heat exchanger tubes |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5184765A (en) |
| CA (1) | CA1034358A (en) |
| FR (1) | FR2294235A1 (en) |
| GB (1) | GB1528210A (en) |
| IT (1) | IT1051336B (en) |
| SE (1) | SE7514018L (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2511912A1 (en) * | 1981-09-01 | 1983-03-04 | Fiz Tech I Akad Nauk | METHOD OF CURING PLASTIC DEFORMATION COMPLICATED SHAPE SURFACES AND PROCESSED PIECES IN ACCORDANCE WITH THE METHOD |
| US4520647A (en) * | 1983-08-31 | 1985-06-04 | International Business Machines Corporation | Surface finishing process |
| JPH1094869A (en) * | 1996-07-29 | 1998-04-14 | Toyota Motor Corp | Method for removing cast defect |
| JP3610716B2 (en) * | 1997-01-23 | 2005-01-19 | トヨタ自動車株式会社 | Casting seal surface processing method |
-
1975
- 1975-12-02 FR FR7537690A patent/FR2294235A1/en not_active Withdrawn
- 1975-12-04 IT IT69987/75A patent/IT1051336B/en active
- 1975-12-10 GB GB50682/75A patent/GB1528210A/en not_active Expired
- 1975-12-11 SE SE7514018A patent/SE7514018L/en unknown
- 1975-12-12 JP JP50148325A patent/JPS5184765A/ja active Pending
- 1975-12-12 CA CA241,667A patent/CA1034358A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1051336B (en) | 1981-04-21 |
| FR2294235A1 (en) | 1976-07-09 |
| SE7514018L (en) | 1976-06-14 |
| JPS5184765A (en) | 1976-07-24 |
| GB1528210A (en) | 1978-10-11 |
| DE2459140B2 (en) | 1976-10-07 |
| DE2459140A1 (en) | 1976-06-24 |
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