JPS6411378B2 - - Google Patents
Info
- Publication number
- JPS6411378B2 JPS6411378B2 JP3244480A JP3244480A JPS6411378B2 JP S6411378 B2 JPS6411378 B2 JP S6411378B2 JP 3244480 A JP3244480 A JP 3244480A JP 3244480 A JP3244480 A JP 3244480A JP S6411378 B2 JPS6411378 B2 JP S6411378B2
- Authority
- JP
- Japan
- Prior art keywords
- roll
- forming
- annular body
- rotating
- blank
- 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
- 238000005520 cutting process Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
Landscapes
- Forging (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3244480A JPS56139245A (en) | 1980-03-14 | 1980-03-14 | Production of rim |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3244480A JPS56139245A (en) | 1980-03-14 | 1980-03-14 | Production of rim |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56139245A JPS56139245A (en) | 1981-10-30 |
| JPS6411378B2 true JPS6411378B2 (fr) | 1989-02-23 |
Family
ID=12359126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3244480A Granted JPS56139245A (en) | 1980-03-14 | 1980-03-14 | Production of rim |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56139245A (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02123327U (fr) * | 1989-03-16 | 1990-10-11 | ||
| KR101246324B1 (ko) | 2005-12-26 | 2013-03-21 | 재단법인 포항산업과학연구원 | 커플링 제조장치 및 제조 방법 |
| JP4946959B2 (ja) * | 2008-04-09 | 2012-06-06 | 株式会社デンソー | 半導体装置の製造方法 |
| US8756814B2 (en) * | 2011-02-01 | 2014-06-24 | Shimano Inc. | Method of manufacturing a bicycle rim |
-
1980
- 1980-03-14 JP JP3244480A patent/JPS56139245A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56139245A (en) | 1981-10-30 |
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