IT993825B - ARTICULATED SPINDLE FOR BENDING PIPES - Google Patents

ARTICULATED SPINDLE FOR BENDING PIPES

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
Italian (it)
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/en
Priority to DE19732358756 priority patent/DE2358756A1/en
Priority to FR7342004A priority patent/FR2248683A7/en
Application granted granted Critical
Publication of IT993825B publication Critical patent/IT993825B/en

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 ARTICULATED SPINDLE FOR BENDING PIPES IT993825B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT2836573A IT993825B (en) 1973-08-30 1973-08-30 ARTICULATED SPINDLE FOR BENDING PIPES
DE19732358756 DE2358756A1 (en) 1973-08-30 1973-11-26 BENDING PIPE
FR7342004A FR2248683A7 (en) 1973-08-30 1973-11-26 Flexible tube bending support mandrel - has mutually interlocking spherical links, which prevent tube buckling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2836573A IT993825B (en) 1973-08-30 1973-08-30 ARTICULATED SPINDLE FOR BENDING PIPES

Publications (1)

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

Family

ID=11223459

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2836573A IT993825B (en) 1973-08-30 1973-08-30 ARTICULATED SPINDLE FOR BENDING PIPES

Country Status (3)

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

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3000170C2 (en) * 1980-01-04 1984-09-06 W. Eckold AG, Trimmis A mandrel for a pipe to be bent
DE3618701A1 (en) * 1986-06-04 1987-12-10 Spaeth Gmbh & Co Kg Stahlbau B METHOD AND DEVICE FOR COLD FORMING PROFILES FROM IRON AND NON-FERROUS METALS
DE3634654A1 (en) * 1986-10-10 1988-04-21 Norsk Hydro As HOLLOW PROFILES MADE OF NON-FERROUS METALS AND THEIR ALLOYS WITH COLD-MOLDED BENDINGS, AND THE METHOD AND DEVICE FOR THEIR PRODUCTION
AT402479B (en) * 1994-04-12 1997-05-26 Erne Fittings Gmbh & Co METHOD AND DEVICE FOR BENDING HOLLOW PROFILE WORKPIECES
JP2005007438A (en) * 2003-06-19 2005-01-13 Opton Co Ltd Mandrel for bending
US8870233B2 (en) 2007-07-03 2014-10-28 S.P.M. Flow Control, Inc. Swivel joint with uniform ball bearing requirements
CA2764310C (en) 2009-04-20 2015-06-23 S.P.M. Flow Control, Inc. Flowline flapper valve
CN107241911A (en) 2009-06-03 2017-10-10 S·P·M·流量控制股份有限公司 Plug valve indicator
GB2520218A (en) 2012-08-16 2015-05-13 Spm Flow Control Inc Plug valve having preloaded seal segments
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
USD707797S1 (en) 2013-03-15 2014-06-24 S.P.M. Flow Control, Inc. Seal segment
USD707332S1 (en) 2013-03-15 2014-06-17 S.P.M. Flow Control, Inc. Seal assembly
CA2916699A1 (en) 2013-07-01 2015-01-08 S.P.M. Flow Control, Inc. Manifold assembly
GB2555356B (en) 2015-06-15 2022-01-05 Spm Flow Control Inc Full-root-radius-threaded wing nut having increased wall thickness
US10677365B2 (en) 2015-09-04 2020-06-09 S.P.M. Flow Control, Inc. Pressure relief valve assembly and methods
CN109201806B (en) * 2018-09-14 2023-06-27 浙江万丰金马逊科技有限公司 Gear chain type core rod for bending and forming rectangular pipe
CN109201807B (en) * 2018-09-14 2023-06-27 浙江万丰金马逊科技有限公司 Gear chain type core rod for bending and forming circular pipe
CN113000653B (en) * 2021-02-04 2023-03-31 东莞市新美洋技术有限公司 Core rod for processing bent pipe

Also Published As

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

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