JPS50125960A - - Google Patents
Info
- Publication number
- JPS50125960A JPS50125960A JP3251974A JP3251974A JPS50125960A JP S50125960 A JPS50125960 A JP S50125960A JP 3251974 A JP3251974 A JP 3251974A JP 3251974 A JP3251974 A JP 3251974A JP S50125960 A JPS50125960 A JP S50125960A
- 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
- 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
-
- 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
- B21C37/185—Making tubes with varying diameter in longitudinal direction conical tubes starting from sheet material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Metal Rolling (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3251974A JPS521912B2 (it) | 1974-03-25 | 1974-03-25 | |
| IT5223174A IT1016957B (it) | 1974-03-25 | 1974-07-23 | Apparato per produrre in continuo pali rastremati |
| DE19742436069 DE2436069A1 (de) | 1974-03-25 | 1974-07-26 | Vorrichtung zum kontinuierlichen herstellen eines konischen rohres |
| FR7428402A FR2265472A1 (en) | 1974-03-25 | 1974-08-19 | Conical tube rolling mill - with four-roll stands in rough and two finish conicity sections |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3251974A JPS521912B2 (it) | 1974-03-25 | 1974-03-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50125960A true JPS50125960A (it) | 1975-10-03 |
| JPS521912B2 JPS521912B2 (it) | 1977-01-18 |
Family
ID=12361200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3251974A Expired JPS521912B2 (it) | 1974-03-25 | 1974-03-25 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS521912B2 (it) |
| DE (1) | DE2436069A1 (it) |
| FR (1) | FR2265472A1 (it) |
| IT (1) | IT1016957B (it) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60108530A (ja) * | 1983-11-17 | 1985-06-14 | Iwao Maeyama | ２サイクルエンジン |
| JPS63309717A (ja) * | 1987-06-12 | 1988-12-16 | Kawasaki Heavy Ind Ltd | ２サイクルエンジンの吸気部の構造 |
| US5461896A (en) * | 1994-02-18 | 1995-10-31 | Abbey Etna Machine Company | Automated changeover tube mill |
-
1974
- 1974-03-25 JP JP3251974A patent/JPS521912B2/ja not_active Expired
- 1974-07-23 IT IT5223174A patent/IT1016957B/it active
- 1974-07-26 DE DE19742436069 patent/DE2436069A1/de active Pending
- 1974-08-19 FR FR7428402A patent/FR2265472A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR2265472A1 (en) | 1975-10-24 |
| JPS521912B2 (it) | 1977-01-18 |
| IT1016957B (it) | 1977-06-20 |
| DE2436069A1 (de) | 1975-10-02 |