DE2217441A1 - - Google Patents
Info
- Publication number
- DE2217441A1 DE2217441A1 DE19722217441 DE2217441A DE2217441A1 DE 2217441 A1 DE2217441 A1 DE 2217441A1 DE 19722217441 DE19722217441 DE 19722217441 DE 2217441 A DE2217441 A DE 2217441A DE 2217441 A1 DE2217441 A1 DE 2217441A1
- 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)
- Jigs For Machine Tools (AREA)
- Turning (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722217441 DE2217441C (de) | 1972-04-12 | Vorrichtung zum Konifizieren langge streckter Werkstucke kreisrunden Quer schnittes | |
CH398173A CH575786A5 (US20020167097A1-20021114-C00005.png) | 1972-04-12 | 1973-03-19 | |
GB1642173A GB1412845A (en) | 1972-04-12 | 1973-04-05 | Machine for reducing the diameter of elongated workpieces of circular crosssection |
US00348708A US3802240A (en) | 1972-04-12 | 1973-04-06 | Device for the conical tapering of circular cross sectioned elongated workpieces |
CA168,456A CA982880A (en) | 1972-04-12 | 1973-04-11 | Device for the conical tapering of circular cross sectioned elongated workpieces |
FR7313109A FR2179992B1 (US20020167097A1-20021114-C00005.png) | 1972-04-12 | 1973-04-11 | |
JP48041763A JPS586586B2 (ja) | 1972-04-12 | 1973-04-12 | 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 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722217441 DE2217441C (de) | 1972-04-12 | Vorrichtung zum Konifizieren langge streckter Werkstucke kreisrunden Quer schnittes |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2217441A1 true DE2217441A1 (US20020167097A1-20021114-C00005.png) | 1972-10-26 |
DE2217441B2 DE2217441B2 (de) | 1972-10-26 |
DE2217441C DE2217441C (de) | 1973-05-30 |
Family
ID=
Also Published As
Publication number | Publication date |
---|---|
FR2179992A1 (US20020167097A1-20021114-C00005.png) | 1973-11-23 |
FR2179992B1 (US20020167097A1-20021114-C00005.png) | 1978-01-06 |
JPS586586B2 (ja) | 1983-02-05 |
CA982880A (en) | 1976-02-03 |
CH575786A5 (US20020167097A1-20021114-C00005.png) | 1976-05-31 |
JPS4910151A (US20020167097A1-20021114-C00005.png) | 1974-01-29 |
GB1412845A (en) | 1975-11-05 |
DE2217441B2 (de) | 1972-10-26 |
US3802240A (en) | 1974-04-09 |
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 |