DE2217580A1 - - Google Patents
Info
- Publication number
- DE2217580A1 DE2217580A1 DE19722217580 DE2217580A DE2217580A1 DE 2217580 A1 DE2217580 A1 DE 2217580A1 DE 19722217580 DE19722217580 DE 19722217580 DE 2217580 A DE2217580 A DE 2217580A DE 2217580 A1 DE2217580 A1 DE 2217580A1
- Authority
- DE
- Germany
- 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
- 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)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722217580 DE2217580C (de) | 1972-04-12 | Vorrichtung zum Konifizieren langgestreckter Werkstücke kreisrunden Querschnitts | |
| CH398273A CH575787A5 (ru) | 1972-04-12 | 1973-03-19 | |
| GB1642273A GB1413003A (en) | 1972-04-12 | 1973-04-05 | Machine for reducing the diameter of elongated workpieces of circular cross-section |
| US00348707A US3798946A (en) | 1972-04-12 | 1973-04-06 | Device for the conical tapering of elongated workpieces having a circular cross section |
| CA168,455A CA982879A (en) | 1972-04-12 | 1973-04-11 | Device for the conical tapering of elongated workpieces having a circular cross section |
| JP48041197A JPS587377B2 (ja) | 1972-04-12 | 1973-04-11 | エンケイオウダンメン オ ユウスル ホソナガイコウサクブツオゲンケイスルソウチ |
| FR7313110A FR2179993B1 (ru) | 1972-04-12 | 1973-04-11 |
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 (3)
| Publication Number | Publication Date |
|---|---|
| DE2217580A1 true DE2217580A1 (ru) | 1972-10-26 |
| DE2217580B2 DE2217580B2 (de) | 1972-10-26 |
| DE2217580C DE2217580C (de) | 1973-05-24 |
Family
ID=
Also Published As
| Publication number | Publication date |
|---|---|
| FR2179993A1 (ru) | 1973-11-23 |
| JPS4910150A (ru) | 1974-01-29 |
| US3798946A (en) | 1974-03-26 |
| CH575787A5 (ru) | 1976-05-31 |
| CA982879A (en) | 1976-02-03 |
| GB1413003A (en) | 1975-11-05 |
| JPS587377B2 (ja) | 1983-02-09 |
| DE2217580B2 (de) | 1972-10-26 |
| FR2179993B1 (ru) | 1977-02-04 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |