JPS4991952A - - Google Patents

Info

Publication number
JPS4991952A
JPS4991952A JP48089179A JP8917973A JPS4991952A JP S4991952 A JPS4991952 A JP S4991952A JP 48089179 A JP48089179 A JP 48089179A JP 8917973 A JP8917973 A JP 8917973A JP S4991952 A JPS4991952 A JP S4991952A
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Pending
Application number
JP48089179A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS4991952A publication Critical patent/JPS4991952A/ja
Pending legal-status Critical Current

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
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/14—Twisting
    • 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
    • B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • B21D3/12—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by stretching with or without twisting

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Forging (AREA)
JP48089179A 1972-08-08 1973-08-08 Pending JPS4991952A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3687872A GB1403539A (en) 1972-08-08 1972-08-08 Straightening elongated articles

Publications (1)

Publication Number Publication Date
JPS4991952A true JPS4991952A (enrdf_load_stackoverflow) 1974-09-03

Family

ID=10391919

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48089179A Pending JPS4991952A (enrdf_load_stackoverflow) 1972-08-08 1973-08-08

Country Status (6)

Country Link
US (1) US3884065A (enrdf_load_stackoverflow)
JP (1) JPS4991952A (enrdf_load_stackoverflow)
DE (1) DE2340153A1 (enrdf_load_stackoverflow)
FR (1) FR2195486B3 (enrdf_load_stackoverflow)
GB (1) GB1403539A (enrdf_load_stackoverflow)
IT (1) IT992320B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3830028C1 (enrdf_load_stackoverflow) * 1988-09-03 1989-12-28 Bayerische Motoren Werke Ag, 8000 Muenchen, De
CN102125948A (zh) * 2010-12-27 2011-07-20 东莞市汇雅实业有限公司 一种方管校正机
CN105772540B (zh) * 2016-04-22 2018-06-19 江苏浔丰轨道交通科技有限公司 地铁屏蔽门方管整形机

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1525730A (en) * 1922-04-18 1925-02-10 Samuel C Gates Method of making spirally-grained seamless tubing
FR1463129A (fr) * 1965-11-09 1966-06-03 Cefilac Procédé et dispositif de dressage et de dévrillage de profils pleins ou creux métalliques
GB1186201A (en) * 1966-05-05 1970-04-02 Rotary Profile Anstalt The Working of Plastically Deformable Materials.
US3446054A (en) * 1967-01-16 1969-05-27 Whetstine B Pridy Apparatus for straightening elongate metal members
US3603357A (en) * 1968-07-10 1971-09-07 Peter R Drummond Backwiring
US3566640A (en) * 1968-08-26 1971-03-02 Chrysler Corp Inspection and correction apparatus

Also Published As

Publication number Publication date
DE2340153A1 (de) 1974-02-21
FR2195486B3 (enrdf_load_stackoverflow) 1976-07-16
GB1403539A (en) 1975-08-28
US3884065A (en) 1975-05-20
IT992320B (it) 1975-09-10
FR2195486A1 (enrdf_load_stackoverflow) 1974-03-08

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