IT1143982B - Apparecchio per restringimento a ricaldo per la produzione di tubi di acciaio con parete a grande spessore - Google Patents

Apparecchio per restringimento a ricaldo per la produzione di tubi di acciaio con parete a grande spessore

Info

Publication number
IT1143982B
IT1143982B IT48751/80A IT4875180A IT1143982B IT 1143982 B IT1143982 B IT 1143982B IT 48751/80 A IT48751/80 A IT 48751/80A IT 4875180 A IT4875180 A IT 4875180A IT 1143982 B IT1143982 B IT 1143982B
Authority
IT
Italy
Prior art keywords
production
steel pipes
large thickness
thickness wall
shrinking apparatus
Prior art date
Application number
IT48751/80A
Other languages
English (en)
Other versions
IT8048751A0 (it
Inventor
Taira Takaaki
Ishihara Toshio
Takehara Junichiro
Original Assignee
Nippon Kokan Kk
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 Nippon Kokan Kk filed Critical Nippon Kokan Kk
Publication of IT8048751A0 publication Critical patent/IT8048751A0/it
Application granted granted Critical
Publication of IT1143982B publication Critical patent/IT1143982B/it

Links

Classifications

    • 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
    • B21C37/08—Making tubes with welded or soldered seams
    • B21C37/0815—Making tubes with welded or soldered seams without continuous longitudinal movement of the sheet during the bending operation
    • 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
    • B21C37/08—Making tubes with welded or soldered seams
    • B21C37/0822—Guiding or aligning the edges of the bent sheet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Forging (AREA)
IT48751/80A 1979-05-22 1980-05-21 Apparecchio per restringimento a ricaldo per la produzione di tubi di acciaio con parete a grande spessore IT1143982B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54062245A JPS6023892B2 (ja) 1979-05-22 1979-05-22 厚肉鋼管製造方法

Publications (2)

Publication Number Publication Date
IT8048751A0 IT8048751A0 (it) 1980-05-21
IT1143982B true IT1143982B (it) 1986-10-29

Family

ID=13194555

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48751/80A IT1143982B (it) 1979-05-22 1980-05-21 Apparecchio per restringimento a ricaldo per la produzione di tubi di acciaio con parete a grande spessore

Country Status (6)

Country Link
US (1) US4373365A (it)
JP (1) JPS6023892B2 (it)
CA (1) CA1134650A (it)
DE (1) DE3019592C2 (it)
FR (1) FR2457135B1 (it)
IT (1) IT1143982B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5928410B2 (ja) * 1981-05-29 1984-07-12 新日本製鐵株式会社 厚肉電縫管の成形方法
JPS61296925A (ja) * 1985-06-24 1986-12-27 Fuji Kikai Kosakusho:Kk 精密円筒成形方法
JPH0422015U (it) * 1990-06-14 1992-02-24
JP2004141936A (ja) * 2002-10-25 2004-05-20 Jfe Steel Kk Ｕｏｅ鋼管の製造方法
AU2003257237B2 (en) * 2003-08-29 2007-04-05 Onesteel Manufacturing Pty Ltd Hollow bar manufacturing process
DE102005046767A1 (de) * 2005-09-29 2007-04-05 Arvinmeritor Emissions Technologies Gmbh Verfahren zum Herstellen eines kalibrierten Bauteils, insbesondere für eine Abgasanlage eines Kraftfahrzeugs, sowie Bauteil für eine Abgasanlage
US8944354B2 (en) 2011-09-30 2015-02-03 Starbucks Corporation Apparatus, systems, and methods for grinding a material
JP6539549B2 (ja) * 2015-08-31 2019-07-03 日立オートモティブシステムズ株式会社 筒体の製造方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US539297A (en) * 1895-05-14 Pipe-corrugating machine
BE494325A (it) *
US1816534A (en) * 1927-06-27 1931-07-28 Hume Walter Reginald Shaping the meeting edges of curved blanks in the manufacture of sheet metal pipes and the like
GB311946A (en) * 1928-05-21 1929-05-23 Walter Reginald Hume Improvements relating to the manufacture of sheet metal pipes and the like
DE538995C (de) * 1930-11-14 1931-11-20 Ferdinand Osenberg Blechbiegevorrichtung zur Herstellung von konischen Rohren
US1984083A (en) * 1931-07-01 1934-12-11 Union Metal Mfg Co Manufacture of sheet metal tubes
DE831534C (de) * 1948-10-02 1952-02-14 Huettenwerk Huckingen A G Vorrichtung zum gleichzeitigen Rundbiegen der beiden geraden Stosskanten von gebogenen Rohrschuessen
US3977065A (en) * 1973-03-01 1976-08-31 Wyle Laboratories Crimping machine
JPS6044050B2 (ja) * 1976-09-10 1985-10-01 新日本製鐵株式会社 長尺郭状体の多段成形法
DE2650691C3 (de) * 1976-11-05 1980-01-24 G. Siempelkamp Gmbh & Co, 4150 Krefeld Vorrichtung zum Außenkalibrieren von Rohren
US4122696A (en) * 1976-12-13 1978-10-31 Nippon Steel Corporation Method and apparatus for manufacturing metallic pipe

Also Published As

Publication number Publication date
IT8048751A0 (it) 1980-05-21
FR2457135B1 (fr) 1985-08-23
JPS6023892B2 (ja) 1985-06-10
US4373365A (en) 1983-02-15
FR2457135A1 (fr) 1980-12-19
DE3019592A1 (de) 1980-12-04
JPS55156619A (en) 1980-12-05
DE3019592C2 (de) 1983-11-03
CA1134650A (en) 1982-11-02

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