FR2259656B1 - - Google Patents
Info
- Publication number
- FR2259656B1 FR2259656B1 FR7502787A FR7502787A FR2259656B1 FR 2259656 B1 FR2259656 B1 FR 2259656B1 FR 7502787 A FR7502787 A FR 7502787A FR 7502787 A FR7502787 A FR 7502787A FR 2259656 B1 FR2259656 B1 FR 2259656B1
- 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
- B21C37/12—Making tubes or metal hoses with helically arranged seams
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Treatment Of Fiber Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742405100 DE2405100C3 (de) | 1974-02-02 | 1974-02-02 | Vorrichtung zur Verformung eines Bandes zu einem Schraubennahtrohr |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2259656A1 FR2259656A1 (en) | 1975-08-29 |
FR2259656B1 true FR2259656B1 (it) | 1976-12-31 |
Family
ID=5906486
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7502787A Granted FR2259656A1 (en) | 1974-02-02 | 1975-01-29 | Strip former for helically-seamed pipe - has inner pipe support on inner roller carrier, and inner strip loop support before weld point |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5518167B2 (it) |
DE (1) | DE2405100C3 (it) |
FR (1) | FR2259656A1 (it) |
IT (1) | IT1031257B (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2542892C2 (de) * | 1975-09-26 | 1983-09-08 | Herbert Ing.(Grad.) 2070 Ahrensburg Zimmermann | Verfahren und Vorrichtung zur Herstellung von Schraubennahtrohren aus Metallband |
JPS5913514A (ja) * | 1982-07-13 | 1984-01-24 | Nippon Steel Corp | スパイラルパイプ製造時のシ−ムギヤツプ調整方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5240338A (en) * | 1975-09-27 | 1977-03-29 | Canon Inc | Liquid development device |
-
1974
- 1974-02-02 DE DE19742405100 patent/DE2405100C3/de not_active Expired
-
1975
- 1975-01-29 FR FR7502787A patent/FR2259656A1/fr active Granted
- 1975-01-29 IT IT1971275A patent/IT1031257B/it active
- 1975-02-01 JP JP1391075A patent/JPS5518167B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2259656A1 (en) | 1975-08-29 |
IT1031257B (it) | 1979-04-30 |
DE2405100C3 (de) | 1979-01-25 |
JPS50109157A (it) | 1975-08-28 |
DE2405100A1 (de) | 1975-08-07 |
JPS5518167B2 (it) | 1980-05-16 |
DE2405100B2 (de) | 1978-05-24 |