DE3664574D1 - Method of bending a thick-walled metal tube, and device for carrying out the method - Google Patents
Method of bending a thick-walled metal tube, and device for carrying out the methodInfo
- Publication number
- DE3664574D1 DE3664574D1 DE8686104417T DE3664574T DE3664574D1 DE 3664574 D1 DE3664574 D1 DE 3664574D1 DE 8686104417 T DE8686104417 T DE 8686104417T DE 3664574 T DE3664574 T DE 3664574T DE 3664574 D1 DE3664574 D1 DE 3664574D1
- Authority
- DE
- Germany
- Prior art keywords
- bending
- thick
- carrying
- metal tube
- walled metal
- Prior art date
- 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
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
- B21D7/025—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member and pulling or pushing the ends of the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
- B21D7/162—Heating equipment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8505171A FR2579912B1 (de) | 1985-04-04 | 1985-04-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3664574D1 true DE3664574D1 (en) | 1989-08-31 |
Family
ID=9317966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686104417T Expired DE3664574D1 (en) | 1985-04-04 | 1986-04-01 | Method of bending a thick-walled metal tube, and device for carrying out the method |
Country Status (6)
Country | Link |
---|---|
US (1) | US4686844A (de) |
EP (1) | EP0196653B1 (de) |
AT (1) | ATE44897T1 (de) |
DE (1) | DE3664574D1 (de) |
FR (1) | FR2579912B1 (de) |
ZA (1) | ZA862521B (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT390743B (de) * | 1988-09-16 | 1990-06-25 | Voest Alpine Stahl Donawitz | Verfahren zur herstellung von windungslegerrohren |
DE4003797A1 (de) * | 1990-02-08 | 1991-08-14 | Schaefer Maschbau Wilhelm | Vorrichtung zum biegen von rohren oder dergleichen |
JP6205239B2 (ja) * | 2013-10-31 | 2017-09-27 | 第一高周波工業株式会社 | 金属管の曲げ加工装置、蛇行管の製造方法及び蛇行管 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1891338A (en) * | 1931-02-09 | 1932-12-20 | Lester W Snell | Method of and means for bending tubes |
FR1095980A (fr) * | 1953-02-19 | 1955-06-08 | Babcock & Wilcox France | Procédé et appareil pour le cintrage de tubes ou tuyaux |
US3896649A (en) * | 1974-03-04 | 1975-07-29 | Rollmet Inc | Method and apparatus for bending pipe |
DE2555326C3 (de) * | 1975-12-05 | 1978-10-19 | Mannesmann Ag, 4000 Duesseldorf | Vorrichtung zum Biegen von Großrohren |
NL165667C (nl) * | 1976-09-03 | 1981-05-15 | Cojafex | Werkwijze en inrichting voor het continu voortschrijdend buigen van langgerekte voorwerpen, zoals buizen. |
DE3173625D1 (en) * | 1980-08-05 | 1986-03-13 | Stein Industrie | Method and apparatus for bending a long metal object |
JPS5921434A (ja) * | 1982-07-29 | 1984-02-03 | Hitachi Ltd | 金属管の曲げ加工法及びその装置 |
-
1985
- 1985-04-04 FR FR8505171A patent/FR2579912B1/fr not_active Expired
-
1986
- 1986-04-01 DE DE8686104417T patent/DE3664574D1/de not_active Expired
- 1986-04-01 EP EP86104417A patent/EP0196653B1/de not_active Expired
- 1986-04-01 AT AT86104417T patent/ATE44897T1/de active
- 1986-04-02 US US06/847,384 patent/US4686844A/en not_active Expired - Fee Related
- 1986-04-04 ZA ZA862521A patent/ZA862521B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US4686844A (en) | 1987-08-18 |
FR2579912B1 (de) | 1989-05-26 |
EP0196653A1 (de) | 1986-10-08 |
ZA862521B (en) | 1986-12-30 |
ATE44897T1 (de) | 1989-08-15 |
EP0196653B1 (de) | 1989-07-26 |
FR2579912A1 (de) | 1986-10-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |