JPS5748285B2 - - Google Patents

Info

Publication number
JPS5748285B2
JPS5748285B2 JP50005033A JP503375A JPS5748285B2 JP S5748285 B2 JPS5748285 B2 JP S5748285B2 JP 50005033 A JP50005033 A JP 50005033A JP 503375 A JP503375 A JP 503375A JP S5748285 B2 JPS5748285 B2 JP S5748285B2
Authority
JP
Japan
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
JP50005033A
Other versions
JPS50102555A (ja
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 filed Critical
Publication of JPS50102555A publication Critical patent/JPS50102555A/ja
Publication of JPS5748285B2 publication Critical patent/JPS5748285B2/ja
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)
  • Metal Extraction Processes (AREA)
  • Chutes (AREA)
JP50005033A 1974-01-10 1975-01-10 Expired JPS5748285B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7400817A FR2322674A1 (fr) 1974-01-10 1974-01-10 Dispositif de changement mecanique de mandrins pour laminoirs

Publications (2)

Publication Number Publication Date
JPS50102555A JPS50102555A (ja) 1975-08-13
JPS5748285B2 true JPS5748285B2 (ja) 1982-10-15

Family

ID=9133324

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50005033A Expired JPS5748285B2 (ja) 1974-01-10 1975-01-10

Country Status (4)

Country Link
US (1) US3955392A (ja)
JP (1) JPS5748285B2 (ja)
DE (1) DE2500369C3 (ja)
FR (1) FR2322674A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4038854A (en) 1976-05-04 1977-08-02 Aetna-Standard Engineering Company Plug changer for plug mill
US4028923A (en) * 1976-05-04 1977-06-14 Aetna-Standard Engineering Company Plug and shoe changing in piercing and reeling mills
EP0698426A1 (de) * 1994-08-18 1996-02-28 MANNESMANN Aktiengesellschaft Walzdornwechselvorrichtung für Stopfenwalzwerke

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE235999C (ja) * 1910-12-24
US1931571A (en) * 1931-08-04 1933-10-24 Frank J Burns Plug bar for seamless tube mills
US2583834A (en) * 1948-09-03 1952-01-29 United States Steel Corp Automatic twin bar-bridge bench piercer mill
US2771800A (en) * 1952-03-06 1956-11-27 United States Steel Corp Plug rolling mill
DE1082214B (de) * 1957-07-11 1960-05-25 Mannesmann Meer Ag Rohrfuehrung an der Auslaufseite eines Schraegwalzwerkes
DE1452043A1 (de) * 1963-08-01 1969-04-24 Schloemann Ag Vorrichtung zur Aufnahme,Zentrierung und zum Abstreifen des Dornes von der Dornstange fuer Aufweite-,Glaett- und Lochwalzwerke
US3277687A (en) * 1963-09-09 1966-10-11 Gen Mills Inc Plug handling apparatus for seamless tube mill
US3382798A (en) * 1965-10-21 1968-05-14 Homer L. Bishop Method of shaping the image bearing surface of printing plates
BE715196A (ja) * 1967-05-18 1968-09-30
GB1333956A (en) * 1971-04-19 1973-10-17 Nippon Kokan Kk Mandrel assembly and a method of ejecting a plug from a mandrel
DE2163818A1 (de) * 1971-12-17 1973-06-20 Mannesmann Roehren Werke Ag Stopfen fuer rohrwalzwerk

Also Published As

Publication number Publication date
US3955392A (en) 1976-05-11
JPS50102555A (ja) 1975-08-13
DE2500369A1 (de) 1975-07-17
FR2322674A1 (fr) 1977-04-01
DE2500369C3 (de) 1984-08-30
FR2322674B1 (ja) 1978-02-17
DE2500369B2 (de) 1981-09-24

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