IT993825B - Mandrino articolato per curvare tubi - Google Patents

Mandrino articolato per curvare tubi

Info

Publication number
IT993825B
IT993825B IT2836573A IT2836573A IT993825B IT 993825 B IT993825 B IT 993825B IT 2836573 A IT2836573 A IT 2836573A IT 2836573 A IT2836573 A IT 2836573A IT 993825 B IT993825 B IT 993825B
Authority
IT
Italy
Prior art keywords
bending pipes
articulated spindle
articulated
spindle
pipes
Prior art date
Application number
IT2836573A
Other languages
English (en)
Original Assignee
Ind Meccanica Brevetti Pedrazz
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 Ind Meccanica Brevetti Pedrazz filed Critical Ind Meccanica Brevetti Pedrazz
Priority to IT2836573A priority Critical patent/IT993825B/it
Priority to FR7342004A priority patent/FR2248683A7/fr
Priority to DE19732358756 priority patent/DE2358756A1/de
Application granted granted Critical
Publication of IT993825B publication Critical patent/IT993825B/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
    • B21D9/01—Bending tubes using mandrels or the like the mandrel being flexible and engaging the entire tube length
    • B21D9/03—Bending tubes using mandrels or the like the mandrel being flexible and engaging the entire tube length and built-up from loose elements, e.g. series of balls

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
IT2836573A 1973-08-30 1973-08-30 Mandrino articolato per curvare tubi IT993825B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT2836573A IT993825B (it) 1973-08-30 1973-08-30 Mandrino articolato per curvare tubi
FR7342004A FR2248683A7 (en) 1973-08-30 1973-11-26 Flexible tube bending support mandrel - has mutually interlocking spherical links, which prevent tube buckling
DE19732358756 DE2358756A1 (de) 1973-08-30 1973-11-26 Rohrbiegedorn

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2836573A IT993825B (it) 1973-08-30 1973-08-30 Mandrino articolato per curvare tubi

Publications (1)

Publication Number Publication Date
IT993825B true IT993825B (it) 1975-09-30

Family

ID=11223459

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2836573A IT993825B (it) 1973-08-30 1973-08-30 Mandrino articolato per curvare tubi

Country Status (3)

Country Link
DE (1) DE2358756A1 (it)
FR (1) FR2248683A7 (it)
IT (1) IT993825B (it)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3000170C2 (de) * 1980-01-04 1984-09-06 W. Eckold AG, Trimmis Dorn für ein zu biegendes Rohr
DE3618701A1 (de) * 1986-06-04 1987-12-10 Spaeth Gmbh & Co Kg Stahlbau B Verfahren und vorrichtung zum kaltumformen von profilen aus eisen- und nichteisenmetallen
DE3634654A1 (de) * 1986-10-10 1988-04-21 Norsk Hydro As Hohlprofile aus nichteisenmetallen und deren legierungen mit kaltverformten biegungen, sowie verfahren und vorrichtung zu deren herstellung
AT402479B (de) * 1994-04-12 1997-05-26 Erne Fittings Gmbh & Co Verfahren und vorrichtung zum biegen von hohlprofil-werkstücken
JP2005007438A (ja) * 2003-06-19 2005-01-13 Opton Co Ltd 曲げ加工用マンドレル
US8870233B2 (en) 2007-07-03 2014-10-28 S.P.M. Flow Control, Inc. Swivel joint with uniform ball bearing requirements
EP2422120B1 (en) 2009-04-20 2016-05-25 S.P.M. Flow Control, Inc. Flowline flapper valve
US8465001B2 (en) 2009-06-03 2013-06-18 S.P.M. Flow Control, Inc. Plug valve indicator
CN104685274B (zh) 2012-08-16 2017-03-08 S.P.M.流量控制股份有限公司 具有预加载密封部分的柱塞阀
US9322243B2 (en) 2012-08-17 2016-04-26 S.P.M. Flow Control, Inc. Automated relief valve control system and method
US9273543B2 (en) 2012-08-17 2016-03-01 S.P.M. Flow Control, Inc. Automated relief valve control system and method
USD707332S1 (en) 2013-03-15 2014-06-17 S.P.M. Flow Control, Inc. Seal assembly
USD707797S1 (en) 2013-03-15 2014-06-24 S.P.M. Flow Control, Inc. Seal segment
CA2916699A1 (en) 2013-07-01 2015-01-08 S.P.M. Flow Control, Inc. Manifold assembly
CN107850243A (zh) 2015-06-15 2018-03-27 S.P.M.流量控制股份有限公司 具有增加壁厚的全根部半径螺纹蝶型螺母
US10677365B2 (en) 2015-09-04 2020-06-09 S.P.M. Flow Control, Inc. Pressure relief valve assembly and methods
CN109201807B (zh) * 2018-09-14 2023-06-27 浙江万丰金马逊科技有限公司 一种圆形管弯曲成形用齿轮链式芯棒
CN109201806B (zh) * 2018-09-14 2023-06-27 浙江万丰金马逊科技有限公司 一种矩形管弯曲成形用齿轮链式芯棒
CN113000653B (zh) * 2021-02-04 2023-03-31 东莞市新美洋技术有限公司 加工弯管用芯棒

Also Published As

Publication number Publication date
DE2358756A1 (de) 1975-03-20
FR2248683A7 (en) 1975-05-16

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