JPH0261867B2 - - Google Patents
Info
- Publication number
- JPH0261867B2 JPH0261867B2 JP59026970A JP2697084A JPH0261867B2 JP H0261867 B2 JPH0261867 B2 JP H0261867B2 JP 59026970 A JP59026970 A JP 59026970A JP 2697084 A JP2697084 A JP 2697084A JP H0261867 B2 JPH0261867 B2 JP H0261867B2
- Authority
- JP
- Japan
- Prior art keywords
- punch
- bottomed
- cylindrical body
- die
- cylinder
- 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 - Lifetime
Links
- 238000001125 extrusion Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 238000005498 polishing Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010273 cold forging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
Landscapes
- Forging (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2697084A JPS60187442A (ja) | 1984-02-17 | 1984-02-17 | 研磨逃げ内径を有する有底筒体の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2697084A JPS60187442A (ja) | 1984-02-17 | 1984-02-17 | 研磨逃げ内径を有する有底筒体の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60187442A JPS60187442A (ja) | 1985-09-24 |
JPH0261867B2 true JPH0261867B2 (zh) | 1990-12-21 |
Family
ID=12208010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2697084A Granted JPS60187442A (ja) | 1984-02-17 | 1984-02-17 | 研磨逃げ内径を有する有底筒体の製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60187442A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH049848U (zh) * | 1990-05-15 | 1992-01-28 | ||
WO2005069349A1 (ja) * | 2004-01-19 | 2005-07-28 | Nippon Tungsten Co., Ltd. | 放電電極、放電ランプ、放電電極の製造方法および製造装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4610122B2 (ja) * | 2000-10-10 | 2011-01-12 | 新日本製鐵株式会社 | 深穴を有する底付中空部品の製造方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5788940A (en) * | 1980-11-22 | 1982-06-03 | Miyake Riko Kk | Method for manufacturing bottomed hollow metallic product |
JPS58145326A (ja) * | 1982-02-24 | 1983-08-30 | Yoshiichi Sakamura | 狭窄溝を設けた有孔部品の製造方法 |
-
1984
- 1984-02-17 JP JP2697084A patent/JPS60187442A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5788940A (en) * | 1980-11-22 | 1982-06-03 | Miyake Riko Kk | Method for manufacturing bottomed hollow metallic product |
JPS58145326A (ja) * | 1982-02-24 | 1983-08-30 | Yoshiichi Sakamura | 狭窄溝を設けた有孔部品の製造方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH049848U (zh) * | 1990-05-15 | 1992-01-28 | ||
WO2005069349A1 (ja) * | 2004-01-19 | 2005-07-28 | Nippon Tungsten Co., Ltd. | 放電電極、放電ランプ、放電電極の製造方法および製造装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS60187442A (ja) | 1985-09-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |