SE8007573L - Forfarande for framstellning av rorbojar och anordning for genomforande av forfarandet - Google Patents
Forfarande for framstellning av rorbojar och anordning for genomforande av forfarandetInfo
- Publication number
- SE8007573L SE8007573L SE8007573A SE8007573A SE8007573L SE 8007573 L SE8007573 L SE 8007573L SE 8007573 A SE8007573 A SE 8007573A SE 8007573 A SE8007573 A SE 8007573A SE 8007573 L SE8007573 L SE 8007573L
- Authority
- SE
- Sweden
- Prior art keywords
- procedure
- rorbojar
- preparing
- implementation
- bending
- Prior art date
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
- B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
-
- 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
- B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2943960A DE2943960C2 (de) | 1979-10-31 | 1979-10-31 | Einrichtung zum Herstellen eines Rohrbogens |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8007573L true SE8007573L (sv) | 1981-05-01 |
SE448351B SE448351B (sv) | 1987-02-16 |
Family
ID=6084816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8007573A SE448351B (sv) | 1979-10-31 | 1980-10-28 | Forfarande och anordning for formning av rorbojar |
Country Status (13)
Country | Link |
---|---|
US (1) | US4352281A (sv) |
JP (1) | JPS5674322A (sv) |
AT (1) | AT370647B (sv) |
BE (1) | BE885918A (sv) |
CH (1) | CH647167A5 (sv) |
CS (1) | CS216945B2 (sv) |
DE (1) | DE2943960C2 (sv) |
FR (1) | FR2468422B1 (sv) |
GB (1) | GB2062506B (sv) |
IT (1) | IT1134118B (sv) |
LU (1) | LU82892A1 (sv) |
NL (1) | NL180566C (sv) |
SE (1) | SE448351B (sv) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3150544A1 (de) * | 1981-12-21 | 1983-06-30 | Siemens AG, 1000 Berlin und 8000 München | Isolierende, wasserdichte kabelendenisolierung |
IT1183969B (it) * | 1985-11-22 | 1987-10-22 | Plast Di Crupi D E C Snc C | Apparecchiatura e procedimento per fabbricare articoli sagomati di materiale plastico particolarmente tubi di riempimento per serbatoi del carburante per autoveicoli |
US4759206A (en) * | 1987-03-03 | 1988-07-26 | Kabushiki Kaisha Asahi Kinzoku Kogyosho | Method and apparatus for manufacturing curved pipe |
JPH01113126A (ja) * | 1987-10-28 | 1989-05-01 | Asahi Kinzoku Kogyosho:Kk | 曲管製造方法及びその装置 |
US4875353A (en) * | 1988-11-01 | 1989-10-24 | Kabushiki Kaisha Asahi Kinzoku Kogyosho | Method and apparatus for manufacturing curved pipe |
AT405912B (de) * | 1990-10-02 | 1999-12-27 | Lisec Peter | Verfahren und vorrichtung zum krümmen von hohlprofilleisten |
EP0502817A1 (de) * | 1991-03-05 | 1992-09-09 | Rohrkalibrier- Und Bogenautomaten Rokabo Ag | Verfahren und Vorrichtung zur Herstellung eines Rohrbogens |
US5724849A (en) * | 1996-10-31 | 1998-03-10 | Tanneco Automotive Inc. | Process for forming a tube for use in a sound attenuating muffler |
DE50102182D1 (de) * | 2000-02-10 | 2004-06-09 | Wkw Erbsloeh Automotive Gmbh | Verfahren und vorrichtung zur herstellung von gekrümmten strangpressprofilen |
ITMI20072372A1 (it) | 2007-12-19 | 2009-06-20 | Ibf S P A | Procedimento per la piegatura di manufatti tubolari con rapporto >3 tra il raggio di piegatura e il diametro estwerno del tubo finito |
CN103302175A (zh) * | 2013-07-05 | 2013-09-18 | 江阴中南重工股份有限公司 | 一种无缝冲压弯头的生产方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE646725A (sv) * | ||||
US1326916A (en) * | 1915-06-02 | 1920-01-06 | Dieckmann Adolf | Sheet-metal-elbow-forming machine |
US1891338A (en) * | 1931-02-09 | 1932-12-20 | Lester W Snell | Method of and means for bending tubes |
US1908373A (en) * | 1931-03-25 | 1933-05-09 | Gen Fire Extinguisher Co | Method of making pipe bends or the like |
US1890949A (en) * | 1931-05-07 | 1932-12-13 | Commercial Shearing | Method and apparatus for bending |
US2373822A (en) * | 1943-01-06 | 1945-04-17 | Walter A Geppelt | Pipe and rod bending machine |
DE924004C (de) * | 1943-02-11 | 1955-02-24 | Reisholz Stahl & Roehrenwerk | Verfahren zum Herstellen von Stahlrohrkruemmern aus geraden, duennwandigen, rohrfoermigen Teilstuecken grossen Durchmessers |
US2957229A (en) * | 1954-12-23 | 1960-10-25 | Allan W Beatty | Method of fabricating curved fittings |
US3017915A (en) * | 1956-04-30 | 1962-01-23 | Bethlehem Steel Corp | Beam bending machine |
DE1241684B (de) * | 1963-07-13 | 1967-06-01 | Stephanie Klockow Geb Christen | Verfahren zur Herstellung eines Rohrbogens |
US3243982A (en) * | 1964-06-12 | 1966-04-05 | Homer J Steel | Cold tube bending apparatus |
US3354681A (en) * | 1964-12-28 | 1967-11-28 | Lombard Corp | Tube forming means and method |
SU530717A1 (ru) * | 1971-10-06 | 1976-10-05 | Таганрогский Ордена Ленина Завод "Красный Котельщик" | Устройство дл гибки труб с одновременной осевой осадкой |
US3869776A (en) * | 1973-08-16 | 1975-03-11 | Evgeny Nikolaevich Moshnin | Method of fabricating curved fittings and device for effecting same |
US4031733A (en) * | 1976-10-15 | 1977-06-28 | Coody John L | Apparatus for bending tubular members |
-
1979
- 1979-10-31 DE DE2943960A patent/DE2943960C2/de not_active Expired
-
1980
- 1980-10-15 CH CH7683/80A patent/CH647167A5/de not_active IP Right Cessation
- 1980-10-20 AT AT0518680A patent/AT370647B/de not_active IP Right Cessation
- 1980-10-24 NL NLAANVRAGE8005859,A patent/NL180566C/xx not_active IP Right Cessation
- 1980-10-27 FR FR8022921A patent/FR2468422B1/fr not_active Expired
- 1980-10-28 SE SE8007573A patent/SE448351B/sv not_active IP Right Cessation
- 1980-10-28 LU LU82892A patent/LU82892A1/fr unknown
- 1980-10-28 US US06/201,590 patent/US4352281A/en not_active Expired - Lifetime
- 1980-10-29 BE BE0/202625A patent/BE885918A/fr not_active IP Right Cessation
- 1980-10-30 GB GB8034921A patent/GB2062506B/en not_active Expired
- 1980-10-30 IT IT25678/80A patent/IT1134118B/it active
- 1980-10-31 JP JP15237280A patent/JPS5674322A/ja active Granted
- 1980-10-31 CS CS807380A patent/CS216945B2/cs unknown
Also Published As
Publication number | Publication date |
---|---|
IT1134118B (it) | 1986-07-24 |
ATA518680A (de) | 1982-09-15 |
US4352281A (en) | 1982-10-05 |
DE2943960A1 (de) | 1981-05-21 |
AT370647B (de) | 1983-04-25 |
IT8025678A0 (it) | 1980-10-30 |
CH647167A5 (de) | 1985-01-15 |
GB2062506B (en) | 1983-03-16 |
NL180566C (nl) | 1987-03-16 |
DE2943960C2 (de) | 1985-03-21 |
JPS6238048B2 (sv) | 1987-08-15 |
NL8005859A (nl) | 1981-06-01 |
JPS5674322A (en) | 1981-06-19 |
NL180566B (nl) | 1986-10-16 |
FR2468422A1 (fr) | 1981-05-08 |
FR2468422B1 (fr) | 1985-10-25 |
CS216945B2 (en) | 1982-12-31 |
GB2062506A (en) | 1981-05-28 |
BE885918A (fr) | 1981-02-16 |
LU82892A1 (fr) | 1981-03-24 |
SE448351B (sv) | 1987-02-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 8007573-2 Effective date: 19940510 Format of ref document f/p: F |