JPS4979364A - - Google Patents
Info
- Publication number
- JPS4979364A JPS4979364A JP47123798A JP12379872A JPS4979364A JP S4979364 A JPS4979364 A JP S4979364A JP 47123798 A JP47123798 A JP 47123798A JP 12379872 A JP12379872 A JP 12379872A JP S4979364 A JPS4979364 A JP S4979364A
- 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.)
- Granted
Links
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
- B21D53/00—Making other particular articles
- B21D53/16—Making other particular articles rings, e.g. barrel hoops
- B21D53/20—Making other particular articles rings, e.g. barrel hoops washers, e.g. for sealing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12379872A JPS535628B2 (https=) | 1972-12-08 | 1972-12-08 | |
| US421764A US3905217A (en) | 1972-12-08 | 1973-12-05 | Apparatus for producing an annular corrugated spring |
| DE2361161A DE2361161C3 (de) | 1972-12-08 | 1973-12-07 | Vorrichtung zum Herstellen einer gewellten ringförmigen Feder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12379872A JPS535628B2 (https=) | 1972-12-08 | 1972-12-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4979364A true JPS4979364A (https=) | 1974-07-31 |
| JPS535628B2 JPS535628B2 (https=) | 1978-03-01 |
Family
ID=14869560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12379872A Expired JPS535628B2 (https=) | 1972-12-08 | 1972-12-08 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3905217A (https=) |
| JP (1) | JPS535628B2 (https=) |
| DE (1) | DE2361161C3 (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2506648A1 (fr) * | 1981-05-27 | 1982-12-03 | Defontaine Sa | Procede et installation pour la fabrication de couronnes de demarreurs pour moteurs |
| CN103586375B (zh) * | 2013-10-16 | 2015-08-12 | 浙江英科弹簧有限公司 | 波形弹簧加工系统及加工方法 |
| CN111438293A (zh) * | 2020-04-14 | 2020-07-24 | 贵州航天林泉电机有限公司 | 一种可调式波形垫圈成型装置 |
| CN112756519B (zh) * | 2021-01-29 | 2025-03-25 | 河南科技大学 | 一种弹簧的非卷制成形锻压模具及成形方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2206068A (en) * | 1936-08-28 | 1940-07-02 | Carl M Yoder | Machine for producing shapes |
| US2243351A (en) * | 1939-08-23 | 1941-05-27 | Edward N Lowry | Ring forming machine |
| US2794477A (en) * | 1953-02-05 | 1957-06-04 | Curt H K Sjobohm | Method and apparatus for making coiled springs |
| US3284880A (en) * | 1963-07-29 | 1966-11-15 | Gould National Batteries Inc | Method of making an expander |
-
1972
- 1972-12-08 JP JP12379872A patent/JPS535628B2/ja not_active Expired
-
1973
- 1973-12-05 US US421764A patent/US3905217A/en not_active Expired - Lifetime
- 1973-12-07 DE DE2361161A patent/DE2361161C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2361161B2 (de) | 1977-11-17 |
| US3905217A (en) | 1975-09-16 |
| JPS535628B2 (https=) | 1978-03-01 |
| DE2361161C3 (de) | 1978-07-20 |
| DE2361161A1 (de) | 1974-06-20 |