IT1121249B - Procedimento ed apparato per produrre corpi tubolari arcuati,la coi sezione trasversale si restringe progressivamente da un'estremita'all'altra - Google Patents

Procedimento ed apparato per produrre corpi tubolari arcuati,la coi sezione trasversale si restringe progressivamente da un'estremita'all'altra

Info

Publication number
IT1121249B
IT1121249B IT23261/79A IT2326179A IT1121249B IT 1121249 B IT1121249 B IT 1121249B IT 23261/79 A IT23261/79 A IT 23261/79A IT 2326179 A IT2326179 A IT 2326179A IT 1121249 B IT1121249 B IT 1121249B
Authority
IT
Italy
Prior art keywords
cross
arcuated
procedure
produce
section
Prior art date
Application number
IT23261/79A
Other languages
English (en)
Italian (it)
Other versions
IT7923261A0 (it
Original Assignee
Siekmann & Co Rohrbogenwerk
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 Siekmann & Co Rohrbogenwerk filed Critical Siekmann & Co Rohrbogenwerk
Publication of IT7923261A0 publication Critical patent/IT7923261A0/it
Application granted granted Critical
Publication of IT1121249B publication Critical patent/IT1121249B/it

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
    • B21D9/00—Bending tubes using mandrels or the like
    • B21D9/12—Bending tubes using mandrels or the like by pushing over a curved mandrel; by pushing through a curved die

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
IT23261/79A 1978-06-08 1979-06-04 Procedimento ed apparato per produrre corpi tubolari arcuati,la coi sezione trasversale si restringe progressivamente da un'estremita'all'altra IT1121249B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2825166A DE2825166C2 (de) 1978-06-08 1978-06-08 Verfahren und Vorrichtung zum Herstellen von Rohrbogen mit sich von einem zum anderen Ende verjüngendem Querschnitt

Publications (2)

Publication Number Publication Date
IT7923261A0 IT7923261A0 (it) 1979-06-04
IT1121249B true IT1121249B (it) 1986-03-26

Family

ID=6041349

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23261/79A IT1121249B (it) 1978-06-08 1979-06-04 Procedimento ed apparato per produrre corpi tubolari arcuati,la coi sezione trasversale si restringe progressivamente da un'estremita'all'altra

Country Status (4)

Country Link
AT (1) AT365951B (US07122547-20061017-C00273.png)
DE (1) DE2825166C2 (US07122547-20061017-C00273.png)
FR (1) FR2427859B1 (US07122547-20061017-C00273.png)
IT (1) IT1121249B (US07122547-20061017-C00273.png)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4989435A (en) * 1989-12-11 1991-02-05 Kabushiki Kaisha Asahi Kinzoku Hogyosho Method and apparatus for manufacturing curved pipe
CN102319783A (zh) * 2011-06-24 2012-01-18 江阴中南重工股份有限公司 等径等壁厚管件的热推弯生产方法
CN107971377A (zh) * 2017-11-03 2018-05-01 北京国电富通科技发展有限责任公司 弯头成型模具及成型方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE592521C (de) * 1934-02-08 Jakob Schmitz Verfahren zum Abstreifen des durch Ziehen eines gekruemmten Dornes durch ein gerades Rohrstueck hergestellten Rohrbogens vom gekruemmten Dornende
DE472415C (US07122547-20061017-C00273.png) *
DE573890C (de) * 1931-04-25 1933-10-10 Rohrbogenwerk G M B H Verfahren zur Herstellung von Rohrbogen o. dgl.
US2105075A (en) * 1935-10-08 1938-01-11 Tube Turns Inc Method and apparatus for making pipe bends
GB688519A (en) * 1950-05-29 1953-03-11 Tube Turns Inc Improvements in or relating to apparatus for and method of forming a reducing elbow
US2750026A (en) * 1950-05-29 1956-06-12 Nat Cylinder Gas Co Apparatus for producing reducing elbows
DE1056905B (de) * 1957-10-23 1959-05-06 Kocks Gmbh Friedrich Verfahren zum Biegen von Rohren
DE1261102B (de) * 1960-06-23 1968-02-15 Meyer F Verfahren und Vorrichtung zum Herstellen von Rohrbogen mit sich vom einen zum anderen Ende gleichmaessig verjuengendem Querschnitt
DE1241684B (de) * 1963-07-13 1967-06-01 Stephanie Klockow Geb Christen Verfahren zur Herstellung eines Rohrbogens
DE1246362B (de) * 1964-04-02 1967-08-03 Stephanie Klockow Geb Christen Rohrbiegevorrichtung
CH521179A (de) * 1971-03-18 1972-04-15 Fischer Ag Georg Vorrichtung zum Herstellen von Rohrkrümmern
DE2707747A1 (de) * 1977-02-23 1978-08-31 Vahlbrauk Lorowerk Vorrichtung zur herstellung nahtloser rohrbogen

Also Published As

Publication number Publication date
AT365951B (de) 1982-02-25
FR2427859A1 (fr) 1980-01-04
ATA398979A (de) 1981-07-15
IT7923261A0 (it) 1979-06-04
DE2825166C2 (de) 1987-02-05
FR2427859B1 (fr) 1985-08-30
DE2825166A1 (de) 1979-12-13

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