IT1093241B - Spina raffreddata internamente per laminaticio di tubi - Google Patents

Spina raffreddata internamente per laminaticio di tubi

Info

Publication number
IT1093241B
IT1093241B IT21363/78A IT2136378A IT1093241B IT 1093241 B IT1093241 B IT 1093241B IT 21363/78 A IT21363/78 A IT 21363/78A IT 2136378 A IT2136378 A IT 2136378A IT 1093241 B IT1093241 B IT 1093241B
Authority
IT
Italy
Prior art keywords
laminatory
pipe
internally cooled
cooled plug
plug
Prior art date
Application number
IT21363/78A
Other languages
English (en)
Other versions
IT7821363A0 (it
Inventor
Helmut Landgraf
Original Assignee
Mannesmann Ag
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 Mannesmann Ag filed Critical Mannesmann Ag
Publication of IT7821363A0 publication Critical patent/IT7821363A0/it
Application granted granted Critical
Publication of IT1093241B publication Critical patent/IT1093241B/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
    • B21B25/04—Cooling or lubricating mandrels during operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Heat Treatment Of Articles (AREA)
  • Chemically Coating (AREA)
  • Metal Extraction Processes (AREA)
  • Lead Frames For Integrated Circuits (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
  • Wire Processing (AREA)
  • Electroplating Methods And Accessories (AREA)
IT21363/78A 1977-04-07 1978-03-20 Spina raffreddata internamente per laminaticio di tubi IT1093241B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2716315A DE2716315C2 (de) 1977-04-07 1977-04-07 Innengekühlter Rohrwalzdorn

Publications (2)

Publication Number Publication Date
IT7821363A0 IT7821363A0 (it) 1978-03-20
IT1093241B true IT1093241B (it) 1985-07-19

Family

ID=6006193

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21363/78A IT1093241B (it) 1977-04-07 1978-03-20 Spina raffreddata internamente per laminaticio di tubi

Country Status (12)

Country Link
US (1) US4173880A (it)
JP (1) JPS53125953A (it)
BR (1) BR7802138A (it)
CS (1) CS201511B2 (it)
DD (1) DD135359A5 (it)
DE (1) DE2716315C2 (it)
ES (1) ES467878A1 (it)
FR (1) FR2386364A1 (it)
GB (1) GB1592754A (it)
IT (1) IT1093241B (it)
RO (1) RO76194A (it)
SE (1) SE425948B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3429524A1 (de) * 1984-08-10 1986-02-20 Kocks Technik Gmbh & Co, 4010 Hilden Dornstange oder stopfen fuer eine walzstrasse zum herstellen nahtloser rohre
DE102007021999A1 (de) * 2006-05-16 2007-11-22 Sms Meer Gmbh Verfahren zum Warmwalzen nahtloser Rohre auf einem Innenwerkzeug und Innenwerkzeug
CN102091719A (zh) * 2010-12-07 2011-06-15 宝钢集团常州轧辊制造公司 连轧管机用限动芯棒及其制造方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1950938A (en) * 1932-02-23 1934-03-13 Nat Tube Co Piercing point
US1951078A (en) * 1932-02-23 1934-03-13 Nat Tube Co Piercing point
GB640866A (en) * 1948-09-17 1950-08-02 Hermann Kurt Wiemer Improvements in rollers for roller mills
FR1000909A (fr) * 1949-11-30 1952-02-18 Perfectionnements aux échangeurs de chaleur
GB675604A (en) * 1950-01-06 1952-07-16 David Dalin Extended surface heat exchanger
US2972472A (en) * 1956-06-11 1961-02-21 Armstrong Cork Co Heat transfer roll
US3135319A (en) * 1959-12-24 1964-06-02 Emery B Richards Leveling roll
FR1272096A (fr) * 1960-08-08 1961-09-22 Csepeli Csogyar Laminoir à pas de pélerin, avec mandrin refroidi pour la fabrication de tubes
US3604237A (en) * 1967-04-03 1971-09-14 Takao Kawanami Work rolls and cooling method thereof
SU398299A1 (ru) * 1971-10-08 1973-09-27 Институт черной металлургии Прокатный валок
US3780465A (en) * 1972-06-01 1973-12-25 Us Navy Wear resistant gun barrel and method of making the same
DE2331989A1 (de) * 1973-06-20 1975-01-23 Mannesmann Meer Ag Stopfenstange fuer kontinuierliche rohrwalzwerke
US4019846A (en) * 1975-06-05 1977-04-26 Wean United, Inc. Rolls in a briquetting machine or like machines

Also Published As

Publication number Publication date
JPS53125953A (en) 1978-11-02
SE7801807L (sv) 1978-10-08
BR7802138A (pt) 1978-11-21
RO76194A (ro) 1981-03-30
IT7821363A0 (it) 1978-03-20
DD135359A5 (de) 1979-05-02
FR2386364A1 (fr) 1978-11-03
ES467878A1 (es) 1978-11-01
SE425948B (sv) 1982-11-29
DE2716315B1 (de) 1978-03-30
FR2386364B1 (it) 1982-11-26
US4173880A (en) 1979-11-13
JPS5551641B2 (it) 1980-12-25
CS201511B2 (en) 1980-11-28
DE2716315C2 (de) 1978-11-16
GB1592754A (en) 1981-07-08

Similar Documents

Publication Publication Date Title
IT1193531B (it) Dispositivi utilizzati per il raccordo di tubi
IT1130916B (it) Raccordo per tubi
IT8049471A0 (it) Spina di collegamento per braccialetti
IT1077711B (it) Apparecchiatura per lavorazioni su tubi sottomarini
IT1107065B (it) Giunto di accoppiamento per tubi
IT1083798B (it) Giunto per tubi
IT1092513B (it) Isolamento termico per tubi
IT1098296B (it) Dispositivo per il trasferimento facoltativo di collettame
IT1114186B (it) Apparecchiatura per il trasferimento di dati
IT1096775B (it) Apparato per l'assemblaggio per l'incastonamento di tubi di grande diametro
IT1086796B (it) Testata per manipolare tubi
IT1094878B (it) Dispositivo piegatore per tubi
IT1076866B (it) Dilatatore meccanico per tubi
IT1081428B (it) Accoppiamento a spina per il collegametno di conduttore di gas
IT1093979B (it) Giunzione di tubi
IT1068629B (it) Collegamento per tubi
IT1074313B (it) Dispositivo di accoppiamento per tubi
SE7811137L (sv) Forfarande for dataoverforing
IT1107058B (it) Giunto per tubi
IT1093241B (it) Spina raffreddata internamente per laminaticio di tubi
IT8267575A0 (it) Apparecchiatura per l allargamento di tubi
IT1130675B (it) Disposizione per flangiare tubi
BE863172A (fr) Raccord pour canalisations semi-rigides
IT1158978B (it) Piastre isolanti per tubi
IT1126017B (it) Dispositivo per l introduzione di barre entro tubi