FR2134263A1 - - Google Patents

Info

Publication number
FR2134263A1
FR2134263A1 FR7115395A FR7115395A FR2134263A1 FR 2134263 A1 FR2134263 A1 FR 2134263A1 FR 7115395 A FR7115395 A FR 7115395A FR 7115395 A FR7115395 A FR 7115395A FR 2134263 A1 FR2134263 A1 FR 2134263A1
Authority
FR
France
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.)
Granted
Application number
FR7115395A
Other languages
French (fr)
Other versions
FR2134263B1 (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.)
JFE Engineering Corp
Original Assignee
Nippon Kokan Ltd
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
Priority to AT364071A priority patent/AT316466B/en
Priority to DE19712120670 priority patent/DE2120670A1/en
Application filed by Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Priority to FR7115395A priority patent/FR2134263B1/fr
Publication of FR2134263A1 publication Critical patent/FR2134263A1/fr
Application granted granted Critical
Publication of FR2134263B1 publication Critical patent/FR2134263B1/fr
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
    • 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)
FR7115395A 1971-04-19 1971-04-29 Expired FR2134263B1 (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 (2)

Publication Number Publication Date
FR2134263A1 true FR2134263A1 (en) 1972-12-08
FR2134263B1 FR2134263B1 (en) 1974-03-08

Family

ID=27506387

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7115395A Expired FR2134263B1 (en) 1971-04-19 1971-04-29

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
DE2120670A1 (en) 1972-11-09
GB1333956A (en) 1973-10-17
FR2134263B1 (en) 1974-03-08
US3733871A (en) 1973-05-22
AT316466B (en) 1974-07-10

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Legal Events

Date Code Title Description
ST Notification of lapse