GB1575859A - Process for the production of seamless tubular products - Google Patents

Process for the production of seamless tubular products Download PDF

Info

Publication number
GB1575859A
GB1575859A GB1233678A GB1233678A GB1575859A GB 1575859 A GB1575859 A GB 1575859A GB 1233678 A GB1233678 A GB 1233678A GB 1233678 A GB1233678 A GB 1233678A GB 1575859 A GB1575859 A GB 1575859A
Authority
GB
United Kingdom
Prior art keywords
billet
piercing
shell
mill
mandrel
Prior art date
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.)
Expired
Application number
GB1233678A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aetna Standard Engineering Co
Original Assignee
Aetna Standard Engineering Co
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 Aetna Standard Engineering Co filed Critical Aetna Standard Engineering Co
Publication of GB1575859A publication Critical patent/GB1575859A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B23/00—Tube-rolling not restricted to methods provided for in only one of groups B21B17/00, B21B19/00, B21B21/00, e.g. combined processes planetary tube rolling, auxiliary arrangements, e.g. lubricating, special tube blanks, continuous casting combined with tube rolling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Control Of Metal Rolling (AREA)
  • Metal Extraction Processes (AREA)
GB1233678A 1977-04-18 1978-03-29 Process for the production of seamless tubular products Expired GB1575859A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78840177A 1977-04-18 1977-04-18

Publications (1)

Publication Number Publication Date
GB1575859A true GB1575859A (en) 1980-10-01

Family

ID=25144382

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1233678A Expired GB1575859A (en) 1977-04-18 1978-03-29 Process for the production of seamless tubular products

Country Status (5)

Country Link
JP (1) JPS53140264A (fr)
CA (1) CA1086104A (fr)
DE (1) DE2816464A1 (fr)
FR (1) FR2387699A1 (fr)
GB (1) GB1575859A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2443884A1 (fr) * 1978-12-15 1980-07-11 Vallourec Fabrication de tubes sans soudure de forts diametres
GB2089702B (en) * 1980-12-19 1984-08-30 Nippon Kokan Kk Method of manufacturing seamless steel pipes
BE890981A (fr) * 1981-11-04 1982-03-01 Meuse Tubes Usines Procede de fabrication de tubes sans soudure, installation pour sa mise en oeuvre et tubes sans soudure obtenus par le procede ou par ladite installation
DE3236892A1 (de) * 1982-10-01 1984-04-05 Mannesmann AG, 4000 Düsseldorf Walzanlage zum herstellen von duennwandigen nahtlosen rohren
CA1247885A (fr) * 1983-08-02 1989-01-03 Dezsoe A. Pozsgay Installation de fabrication de tubes sans couture
JPH036112Y2 (fr) * 1985-06-24 1991-02-15

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR855265A (fr) * 1938-05-27 1940-05-07 Mannesmann Roehren Werke Ag Procédé de fabrication de tubes sans soudure
US2218458A (en) * 1939-10-07 1940-10-15 Nat Tube Co Making of seamless steel tubes
US2306771A (en) * 1940-08-27 1942-12-29 Nat Tube Co Method of making metallic tubes
FR942767A (fr) * 1946-03-11 1949-02-17 Procédé de préparation des ébauches à épaisseurs minces pour les trains de lamiage des tubes sans soudure
BE491573A (fr) * 1948-11-04
BE491444A (fr) * 1948-12-01
FR2198797B1 (fr) * 1972-09-08 1975-01-03 Vallourec
DE2528542B1 (de) * 1975-06-24 1976-11-25 Mannesmann Ag Verfahren und Einrichtung zur Walzlostrennung

Also Published As

Publication number Publication date
JPS53140264A (en) 1978-12-07
FR2387699B1 (fr) 1982-11-12
DE2816464A1 (de) 1978-10-19
JPS564322B2 (fr) 1981-01-29
CA1086104A (fr) 1980-09-23
FR2387699A1 (fr) 1978-11-17

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee