BE457038A - - Google Patents
Info
- Publication number
- BE457038A BE457038A BE457038DA BE457038A BE 457038 A BE457038 A BE 457038A BE 457038D A BE457038D A BE 457038DA BE 457038 A BE457038 A BE 457038A
- Authority
- BE
- Belgium
- Prior art keywords
- rolling
- threads
- thread
- emi
- rolls
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H3/00—Making helical bodies or bodies having parts of helical shape
- B21H3/08—Making helical bodies or bodies having parts of helical shape internal screw-threads
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Metal Rolling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE906263X | 1943-04-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE457038A true BE457038A (ru) | 1944-08-31 |
Family
ID=32400456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE457038D BE457038A (ru) | 1943-04-14 | 1944-07-31 |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE457038A (ru) |
FR (1) | FR906263A (ru) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2932222A (en) * | 1954-11-08 | 1960-04-12 | Republic Steel Corp | Form forging machine |
US3173282A (en) * | 1963-03-25 | 1965-03-16 | Republic Steel Corp | Method for forming screw threads |
CN104507614B (zh) * | 2012-08-01 | 2016-08-24 | 株式会社Mh中心 | 内螺纹的加工方法及其装置 |
-
1944
- 1944-07-31 BE BE457038D patent/BE457038A/fr unknown
- 1944-08-03 FR FR906263D patent/FR906263A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR906263A (fr) | 1945-12-28 |
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