IT997237B - Procedimento ed impianto per la fabbricazione di tubi metallici sen za saldatura - Google Patents

Procedimento ed impianto per la fabbricazione di tubi metallici sen za saldatura

Info

Publication number
IT997237B
IT997237B IT9608/73A IT960873A IT997237B IT 997237 B IT997237 B IT 997237B IT 9608/73 A IT9608/73 A IT 9608/73A IT 960873 A IT960873 A IT 960873A IT 997237 B IT997237 B IT 997237B
Authority
IT
Italy
Prior art keywords
welding
plant
manufacture
metal pipes
pipes
Prior art date
Application number
IT9608/73A
Other languages
English (en)
Italian (it)
Original Assignee
Vallourec Lorraine Escaut
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 Vallourec Lorraine Escaut filed Critical Vallourec Lorraine Escaut
Application granted granted Critical
Publication of IT997237B publication Critical patent/IT997237B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
    • B21B17/02—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length
    • B21B17/04—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length in a continuous process

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Metal Extraction Processes (AREA)
IT9608/73A 1972-09-08 1973-09-04 Procedimento ed impianto per la fabbricazione di tubi metallici sen za saldatura IT997237B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7231888A FR2198797B1 (fr) 1972-09-08 1972-09-08

Publications (1)

Publication Number Publication Date
IT997237B true IT997237B (it) 1975-12-30

Family

ID=9104021

Family Applications (1)

Application Number Title Priority Date Filing Date
IT9608/73A IT997237B (it) 1972-09-08 1973-09-04 Procedimento ed impianto per la fabbricazione di tubi metallici sen za saldatura

Country Status (9)

Country Link
US (1) US3857267A (fr)
JP (2) JPS5614042B2 (fr)
BE (1) BE803668A (fr)
CA (1) CA991892A (fr)
DE (1) DE2345056A1 (fr)
ES (1) ES418268A1 (fr)
FR (1) FR2198797B1 (fr)
GB (1) GB1449662A (fr)
IT (1) IT997237B (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2605486C2 (de) * 1976-02-12 1982-11-11 Kocks Technik Gmbh & Co, 4010 Hilden Verfahren zum Herstellen längsnahtgeschweißter Rohre
GB1575859A (en) * 1977-04-18 1980-10-01 Aetna Standard Eng Co Process for the production of seamless tubular products
IT1115288B (it) * 1977-05-05 1986-02-03 Innocenti Santeustacchio Spa Dispositivo per mandrino in laminatoi continui a mandrino trattenuto
DE2750637A1 (de) * 1977-11-09 1979-05-10 Mannesmann Ag Verfahren zum herstellen nahtloser rohre
DE2811801A1 (de) * 1978-03-15 1979-09-20 Mannesmann Ag Verfahren und anlage zum warmwalzen nahtloser rohre
JPS5913283B2 (ja) * 1978-11-17 1984-03-28 新日本製鐵株式会社 管の連続圧延法
US4289011A (en) * 1978-11-17 1981-09-15 Nippon Steel Corporation Continuous pipe rolling process
FR2443884A1 (fr) * 1978-12-15 1980-07-11 Vallourec Fabrication de tubes sans soudure de forts diametres
IT1110926B (it) * 1979-02-07 1986-01-13 Innocenti Santeustacchio Spa Metodo ed apparecchiatura per il controllo del movimento del mandrino in un laminatoio continuo a mandrino trattenuto
FR2469962A1 (fr) * 1979-11-21 1981-05-29 Vallourec Procede et dispositif pour la fabrication d'un tube d'acier sans soudure par laminage a chaud sur mandrin
FR2483808A1 (fr) * 1980-06-06 1981-12-11 Vallourec Banc de retenue de mandrin pour le mandrin qui porte un tube dans un laminoir
JPS5717305A (en) * 1980-07-07 1982-01-29 Hitachi Ltd Continuous rolling installation for seamless pipe
JPS5732805A (en) * 1980-08-05 1982-02-22 Ishikawajima Harima Heavy Ind Co Ltd Rolling plant for pipe making
US4353238A (en) * 1981-05-18 1982-10-12 Vallourec, Societe Anonyme Method for manufacture of seamless metal tubing by continuous rolling
DE3136381A1 (de) * 1981-09-14 1983-04-14 Kocks Technik Gmbh & Co, 4010 Hilden Walzwerksanlage zur herstellung nahtloser rohre
JPS58119408A (ja) * 1982-01-05 1983-07-15 Kawasaki Steel Corp 継目無鋼管の延伸圧延方法
JP2528798Y2 (ja) * 1990-10-09 1997-03-12 松下電工株式会社 雨樋部品
SE535994C2 (sv) * 2011-03-03 2013-03-19 Mattssonfoeretagen I Uddevalla Ab Metod och anordning för dosering och bestrykning
JP2017522191A (ja) * 2014-07-31 2017-08-10 エスエムエス インス エス．ピー．エー． 継目無管を圧延するためのコンパクトなプラント

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE225679C (fr) * 1909-04-28
US2024514A (en) * 1933-03-25 1935-12-17 Diescher Tube Mills Inc Method and apparatus for making tubes
US2063689A (en) * 1933-07-03 1936-12-08 Jones & Laughlin Steel Corp Manufacture of tubes
US2356734A (en) * 1941-08-14 1944-08-29 Nat Tube Co Tube mill
DE1752116A1 (de) * 1968-04-05 1971-05-13 Mannesmann Ag Verfahren und Vorrichtung zum Herstellen nahtloser Stahlrohre
US3722246A (en) * 1970-04-10 1973-03-27 Innocenti Soc Generale Hot perforating mill

Also Published As

Publication number Publication date
US3857267A (en) 1974-12-31
JPS5614042B2 (fr) 1981-04-02
BE803668A (fr) 1973-12-17
ES418268A1 (es) 1976-06-01
CA991892A (en) 1976-06-29
GB1449662A (en) 1976-09-15
JPS4991949A (fr) 1974-09-03
JPS5865503A (ja) 1983-04-19
FR2198797B1 (fr) 1975-01-03
DE2345056A1 (de) 1974-03-21
FR2198797A1 (fr) 1974-04-05
JPS6235844B2 (fr) 1987-08-04

Similar Documents

Publication Publication Date Title
IT997237B (it) Procedimento ed impianto per la fabbricazione di tubi metallici sen za saldatura
IT1002012B (it) Metodo ed apparato per la fabbri cazione di tubi
CH500778A (it) Procedimento per la produzione di tubi composti di più tronchi in metallo differente
IT1053558B (it) Procedimento e macchina per la lavorazione di tubi saldati ad elica e tubi cosi ottenuti
IT990611B (it) Giunto per tubi particolarmente per tubi di acciaio
IT1000382B (it) Metodo per la produzione di lamie re di acciaio e prodotto cosi ot tenuto
IT965229B (it) Metodo per fabbricare tubi di acciaio rivestiti
KE2679A (en) Method of forming pipe
IT1040023B (it) Procedimento per la produzione di tubi di acciaio senza saldatura particolarmente da billette di se zione quadratao rettangolare
IT998774B (it) Laminatoio riduttore a stiro particolarmente per la produzione di tubi profilati
GB1403744A (en) Conduits joints comprising tubular elements of sheet metal
BE793376A (fr) Composition et procede de cuivrage de surfaces metalliques
IT993928B (it) Rivestimento e unione di metalli
BE764508A (fr) Procede pour la fabrication de pieces faconnees utilisant la technique de corrosion
IT947866B (it) Procedimento per la produzione di tubi in metallo duttile
IT966600B (it) Metodo ed apparecchiatura per la produzione di tubi scanalati inter mittentemente
BE802771A (fr) Procede de formation de revetements metalliques
GB1412815A (en) Method and apparatus for the production of longitudinally welded tubes from metal strip
BE808583A (fr) Procede de revetement metallique
RO62628A (fr) Procede pour la nitruration des surfaces metalliques
BE793716A (fr) Procede et cuve de patentage de fils metalliques
BE745471A (fr) Procede de preparation de p-nitrophenol et de sels de metaux decelui-c
IT978198B (it) Apparecchiatura per la produzio ne di tubi metallici
BE794216A (fr) Procede de transformation continue de bandes metalliques en barres creuses et barres creuses ainsi obtenues
SU445207A3 (ru) Способ продувки жидкого металла