SE448351B - Forfarande och anordning for formning av rorbojar - Google Patents

Forfarande och anordning for formning av rorbojar

Info

Publication number
SE448351B
SE448351B SE8007573A SE8007573A SE448351B SE 448351 B SE448351 B SE 448351B SE 8007573 A SE8007573 A SE 8007573A SE 8007573 A SE8007573 A SE 8007573A SE 448351 B SE448351 B SE 448351B
Authority
SE
Sweden
Prior art keywords
pipe
section
upsetting
calibration
angle
Prior art date
Application number
SE8007573A
Other languages
English (en)
Swedish (sv)
Other versions
SE8007573L (sv
Inventor
Christian Ragettli
Original Assignee
Christian Ragettli
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Christian Ragettli filed Critical Christian Ragettli
Publication of SE8007573L publication Critical patent/SE8007573L/
Publication of SE448351B publication Critical patent/SE448351B/sv

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)
SE8007573A 1979-10-31 1980-10-28 Forfarande och anordning for formning av rorbojar SE448351B (sv)

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 SE8007573L (sv) 1981-05-01
SE448351B true 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 (ru)
JP (1) JPS5674322A (ru)
AT (1) AT370647B (ru)
BE (1) BE885918A (ru)
CH (1) CH647167A5 (ru)
CS (1) CS216945B2 (ru)
DE (1) DE2943960C2 (ru)
FR (1) FR2468422B1 (ru)
GB (1) GB2062506B (ru)
IT (1) IT1134118B (ru)
LU (1) LU82892A1 (ru)
NL (1) NL180566C (ru)
SE (1) SE448351B (ru)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
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
DK1169146T3 (da) * 2000-02-10 2004-06-01 Wkw Erbsloeh Automotive Gmbh Fremgangsmåde og indretning til fremstilling af krumme strengpressede profiler
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE646725A (ru) *
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

Also Published As

Publication number Publication date
AT370647B (de) 1983-04-25
NL180566C (nl) 1987-03-16
US4352281A (en) 1982-10-05
GB2062506A (en) 1981-05-28
FR2468422A1 (fr) 1981-05-08
GB2062506B (en) 1983-03-16
DE2943960A1 (de) 1981-05-21
DE2943960C2 (de) 1985-03-21
FR2468422B1 (fr) 1985-10-25
CH647167A5 (de) 1985-01-15
IT1134118B (it) 1986-07-24
NL180566B (nl) 1986-10-16
NL8005859A (nl) 1981-06-01
ATA518680A (de) 1982-09-15
JPS6238048B2 (ru) 1987-08-15
SE8007573L (sv) 1981-05-01
CS216945B2 (en) 1982-12-31
IT8025678A0 (it) 1980-10-30
LU82892A1 (fr) 1981-03-24
JPS5674322A (en) 1981-06-19
BE885918A (fr) 1981-02-16

Similar Documents

Publication Publication Date Title
SE448351B (sv) Forfarande och anordning for formning av rorbojar
US3670553A (en) Tube bending machine
US3261193A (en) Bending machine
US3492850A (en) Device for straightening circular cross section workpieces having varying diameters
CN103978147A (zh) 一种径向锻造渐进增量成形大齿高螺纹件的方法
US5103666A (en) Apparatus and method of straightening the ends of elongated workpieces
US4149399A (en) Method of forming tubes or pipes
US3762196A (en) Pipe bending machine
US3958440A (en) Universal tube bending machine
US3074465A (en) Machine for the fabrication of spiral tube coils
EP0023423A2 (en) Method of and means for forming sheet metal
US3330145A (en) Machine and method for tapering rodlike tubular workpieces
US2680975A (en) Fin forming machine
JP2651710B2 (ja) 細径金属管の曲げ加工装置
RU2477664C2 (ru) Устройство для получения труб с винтовым профилем
US2827688A (en) Ring forming method and apparatus
US4541262A (en) Process for cold rolling of tubes by means of a pilger mill and device for using the process
US3709020A (en) Method of and apparatus for producing a straight bore cold drawn tube
SE468791B (sv) Bockningsmaskin foer metallroer av mindre diameter
GB2161407A (en) Follow bar with cam tracks for rocker type conduit bender
CN219823214U (zh) 环向随动的轴向牵引机及牵引机组
US3459020A (en) Plate-bending roll for steel plates and the like
SU1269879A1 (ru) Трубогибочный станок
SU995958A2 (ru) Волокодержатель дл волочени труб и прутков
SU445488A1 (ru) Способ изготовлени труб с продольными ребрами

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