FR1557285A - - Google Patents
Info
- Publication number
- FR1557285A FR1557285A FR1557285DA FR1557285A FR 1557285 A FR1557285 A FR 1557285A FR 1557285D A FR1557285D A FR 1557285DA FR 1557285 A FR1557285 A FR 1557285A
- Authority
- FR
- France
- 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.)
- Expired
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)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Manipulator (AREA)
- Metal Extraction Processes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US62216867A | 1967-03-10 | 1967-03-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1557285A true FR1557285A (fr) | 1969-02-14 |
Family
ID=24493169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1557285D Expired FR1557285A (fr) | 1967-03-10 | 1968-03-08 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3431764A (fr) |
DE (1) | DE1652598A1 (fr) |
FR (1) | FR1557285A (fr) |
GB (1) | GB1154667A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110665998A (zh) * | 2019-09-02 | 2020-01-10 | 湖州久旺不锈钢制品有限公司 | 一种不锈钢管生产过程中的校直设备 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1602680B2 (de) * | 1967-11-04 | 1975-08-21 | Stahlwerke Brueninghaus Gmbh, 5842 Westhofen | Schrägwalzvorrichtung zum Verformen des Querschnittes eines zylindrischen Metallstabes |
US3727445A (en) * | 1970-08-24 | 1973-04-17 | Ashtabula Bow Socket Co | Method and appatatus for forming a blank |
CH575786A5 (fr) * | 1972-04-12 | 1976-05-31 | Bohner & Koehle | |
US4194381A (en) * | 1975-07-31 | 1980-03-25 | Balcke-Durr Aktiengesellschaft | Device for the cold working of heat exchanger tubing for the attachment of spiral fins |
WO1981001671A1 (fr) * | 1979-12-12 | 1981-06-25 | Bruss Polt I | Procede et dispositif de fabrication de microfil |
WO1981002696A1 (fr) * | 1980-03-26 | 1981-10-01 | Vnii Metallurg Mash | Rectifieuse de barres rondes |
US4391114A (en) * | 1981-05-26 | 1983-07-05 | Tubing Technology, Inc. | Shear forming apparatus for elongated non-rotating metal tubes |
US7296450B2 (en) * | 2004-07-12 | 2007-11-20 | Nippon Steel Corporation | Apparatus and method for production of tapered steel pipe |
JP4436199B2 (ja) * | 2004-07-12 | 2010-03-24 | 新日本製鐵株式会社 | テーパー鋼管の製造装置 |
US20070017268A1 (en) * | 2005-07-20 | 2007-01-25 | Nakata Manufacturing Co., Ltd. | Metal pipe straightening method, straightening roller, and manufacturing device |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US331582A (en) * | 1885-12-01 | Fvjachsne for making tubes from hollow ingots | ||
US1782968A (en) * | 1927-02-04 | 1930-11-25 | Bethlehem Steel Corp | Means for rolling tubes |
US2432566A (en) * | 1944-09-08 | 1947-12-16 | Nat Tube Co | Tapering metal tubes |
US3240045A (en) * | 1962-10-15 | 1966-03-15 | Prec Sheet Metal Inc | Arrangement for contouring tubes |
-
1967
- 1967-03-10 US US622168A patent/US3431764A/en not_active Expired - Lifetime
-
1968
- 1968-02-26 GB GB9262/68A patent/GB1154667A/en not_active Expired
- 1968-03-08 FR FR1557285D patent/FR1557285A/fr not_active Expired
- 1968-03-08 DE DE19681652598 patent/DE1652598A1/de active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110665998A (zh) * | 2019-09-02 | 2020-01-10 | 湖州久旺不锈钢制品有限公司 | 一种不锈钢管生产过程中的校直设备 |
Also Published As
Publication number | Publication date |
---|---|
US3431764A (en) | 1969-03-11 |
DE1652598A1 (de) | 1971-09-23 |
GB1154667A (en) | 1969-06-11 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |