AT316466B - Method and device for ejecting and re-providing the rolling plug for steel tube rolling mills - Google Patents

Method and device for ejecting and re-providing the rolling plug for steel tube rolling mills

Info

Publication number
AT316466B
AT316466B AT364071A AT364071A AT316466B AT 316466 B AT316466 B AT 316466B AT 364071 A AT364071 A AT 364071A AT 364071 A AT364071 A AT 364071A AT 316466 B AT316466 B AT 316466B
Authority
AT
Austria
Prior art keywords
ejecting
rolling
providing
steel tube
plug
Prior art date
Application number
AT364071A
Other languages
German (de)
Inventor
Nagai Hiroshi
Shirohama Masatoshi
Matsumoto Kenichi
Kamimura Haruo
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
Priority to GB1000671*[A priority Critical patent/GB1333956A/en
Priority to US00137143A priority patent/US3733871A/en
Application filed by Nippon Kokan Kk filed Critical Nippon Kokan Kk
Priority to AT364071A priority patent/AT316466B/en
Priority to DE19712120670 priority patent/DE2120670A1/en
Priority to FR7115395A priority patent/FR2134263B1/fr
Application granted granted Critical
Publication of AT316466B publication Critical patent/AT316466B/en

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
    • B21B25/06—Interchanging mandrels, fixing plugs on mandrel rods or cooling during interchanging mandrels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Heat Treatment Of Articles (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
AT364071A 1971-04-19 1971-04-27 Method and device for ejecting and re-providing the rolling plug for steel tube rolling mills AT316466B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB1000671*[A GB1333956A (en) 1971-04-19 1971-04-19 Mandrel assembly and a method of ejecting a plug from a mandrel
US00137143A US3733871A (en) 1971-04-19 1971-04-26 Method of ejecting plug for rolling mill and an apparatus therefor
AT364071A AT316466B (en) 1971-04-19 1971-04-27 Method and device for ejecting and re-providing the rolling plug for steel tube rolling mills
DE19712120670 DE2120670A1 (en) 1971-04-19 1971-04-27 Method and device for ejecting the roller plug for rolling mills
FR7115395A FR2134263B1 (en) 1971-04-19 1971-04-29

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB1000671 1971-04-19
US13714371A 1971-04-26 1971-04-26
AT364071A AT316466B (en) 1971-04-19 1971-04-27 Method and device for ejecting and re-providing the rolling plug for steel tube rolling mills
DE19712120670 DE2120670A1 (en) 1971-04-19 1971-04-27 Method and device for ejecting the roller plug for rolling mills
FR7115395A FR2134263B1 (en) 1971-04-19 1971-04-29

Publications (1)

Publication Number Publication Date
AT316466B true AT316466B (en) 1974-07-10

Family

ID=27506387

Family Applications (1)

Application Number Title Priority Date Filing Date
AT364071A AT316466B (en) 1971-04-19 1971-04-27 Method and device for ejecting and re-providing the rolling plug for steel tube rolling mills

Country Status (5)

Country Link
US (1) US3733871A (en)
AT (1) AT316466B (en)
DE (1) DE2120670A1 (en)
FR (1) FR2134263B1 (en)
GB (1) GB1333956A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2234057B1 (en) * 1973-05-14 1976-04-30 Orro Pavel
FR2322674A1 (en) * 1974-01-10 1977-04-01 Vallourec MECHANICAL CHUCK CHANGE DEVICE FOR ROLLING ROLLERS
US4028923A (en) * 1976-05-04 1977-06-14 Aetna-Standard Engineering Company Plug and shoe changing in piercing and reeling mills
CN116532495B (en) * 2023-05-25 2023-11-07 松阳县永欣机械制造有限公司 Pipe blank anti-collision control device and cold pilger mill

Also Published As

Publication number Publication date
GB1333956A (en) 1973-10-17
FR2134263B1 (en) 1974-03-08
DE2120670A1 (en) 1972-11-09
US3733871A (en) 1973-05-22
FR2134263A1 (en) 1972-12-08

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee