CH575787A5 - - Google Patents
Info
- Publication number
- CH575787A5 CH575787A5 CH398273A CH398273A CH575787A5 CH 575787 A5 CH575787 A5 CH 575787A5 CH 398273 A CH398273 A CH 398273A CH 398273 A CH398273 A CH 398273A CH 575787 A5 CH575787 A5 CH 575787A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/16—Making tubes with varying diameter in longitudinal direction
- B21C37/18—Making tubes with varying diameter in longitudinal direction conical tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Metal Extraction Processes (AREA)
- Turning (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722217580 DE2217580C (de) | 1972-04-12 | Vorrichtung zum Konifizieren langgestreckter Werkstücke kreisrunden Querschnitts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH575787A5 true CH575787A5 (ru) | 1976-05-31 |
Family
ID=5841723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH398273A CH575787A5 (ru) | 1972-04-12 | 1973-03-19 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3798946A (ru) |
| JP (1) | JPS587377B2 (ru) |
| CA (1) | CA982879A (ru) |
| CH (1) | CH575787A5 (ru) |
| FR (1) | FR2179993B1 (ru) |
| GB (1) | GB1413003A (ru) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56160631U (ru) * | 1980-04-25 | 1981-11-30 | ||
| JP6252371B2 (ja) * | 2014-06-19 | 2017-12-27 | 日立金属株式会社 | 鍛造金型および鍛造方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1418697A (en) * | 1919-02-11 | 1922-06-06 | Gen Seamless Tube Company | Tube and rod tapering |
| US3041990A (en) * | 1959-10-09 | 1962-07-03 | Fiell Cecil K Le | Tube tapering machine |
| DE1285433B (de) * | 1964-10-14 | 1968-12-19 | Wieland Werke Ag | Vorrichtung zum Konifizieren langgestreckter Werkstuecke kreisrunden Querschnitts |
-
1973
- 1973-03-19 CH CH398273A patent/CH575787A5/xx not_active IP Right Cessation
- 1973-04-05 GB GB1642273A patent/GB1413003A/en not_active Expired
- 1973-04-06 US US00348707A patent/US3798946A/en not_active Expired - Lifetime
- 1973-04-11 CA CA168,455A patent/CA982879A/en not_active Expired
- 1973-04-11 FR FR7313110A patent/FR2179993B1/fr not_active Expired
- 1973-04-11 JP JP48041197A patent/JPS587377B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2179993A1 (ru) | 1973-11-23 |
| JPS4910150A (ru) | 1974-01-29 |
| US3798946A (en) | 1974-03-26 |
| CA982879A (en) | 1976-02-03 |
| GB1413003A (en) | 1975-11-05 |
| DE2217580A1 (ru) | 1972-10-26 |
| JPS587377B2 (ja) | 1983-02-09 |
| DE2217580B2 (de) | 1972-10-26 |
| FR2179993B1 (ru) | 1977-02-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |