JPH0256165B2 - - Google Patents
Info
- Publication number
- JPH0256165B2 JPH0256165B2 JP1966982A JP1966982A JPH0256165B2 JP H0256165 B2 JPH0256165 B2 JP H0256165B2 JP 1966982 A JP1966982 A JP 1966982A JP 1966982 A JP1966982 A JP 1966982A JP H0256165 B2 JPH0256165 B2 JP H0256165B2
- Authority
- JP
- Japan
- Prior art keywords
- heating coil
- bending
- tube
- tube material
- diameter surface
- 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
- 238000005452 bending Methods 0.000 claims description 38
- 238000010438 heat treatment Methods 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 34
- 239000000498 cooling water Substances 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 230000001788 irregular Effects 0.000 description 6
- 230000037303 wrinkles Effects 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
Classifications
-
- 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
- B21D7/025—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member and pulling or pushing the ends of the work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1966982A JPS58138522A (ja) | 1982-02-12 | 1982-02-12 | 熱間管曲げ加工機 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1966982A JPS58138522A (ja) | 1982-02-12 | 1982-02-12 | 熱間管曲げ加工機 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58138522A JPS58138522A (ja) | 1983-08-17 |
| JPH0256165B2 true JPH0256165B2 (en]) | 1990-11-29 |
Family
ID=12005644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1966982A Granted JPS58138522A (ja) | 1982-02-12 | 1982-02-12 | 熱間管曲げ加工機 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58138522A (en]) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0590488U (ja) * | 1991-06-17 | 1993-12-10 | 富士写真フイルム株式会社 | フイルムパトローネの包装容器 |
-
1982
- 1982-02-12 JP JP1966982A patent/JPS58138522A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0590488U (ja) * | 1991-06-17 | 1993-12-10 | 富士写真フイルム株式会社 | フイルムパトローネの包装容器 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58138522A (ja) | 1983-08-17 |
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