JPS4867164A - - Google Patents

Info

Publication number
JPS4867164A
JPS4867164A JP47007566A JP756672A JPS4867164A JP S4867164 A JPS4867164 A JP S4867164A JP 47007566 A JP47007566 A JP 47007566A JP 756672 A JP756672 A JP 756672A JP S4867164 A JPS4867164 A JP S4867164A
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.)
Pending
Application number
JP47007566A
Other languages
Japanese (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 JPS4867164A publication Critical patent/JPS4867164A/ja
Pending 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Crushing And Grinding (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
JP47007566A 1971-12-17 1972-01-19 Pending JPS4867164A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2163818A DE2163818A1 (en) 1971-12-17 1971-12-17 PLUG FOR PIPE ROLLING MILL
DE7148215 1971-12-17

Publications (1)

Publication Number Publication Date
JPS4867164A true JPS4867164A (en) 1973-09-13

Family

ID=25762205

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47007566A Pending JPS4867164A (en) 1971-12-17 1972-01-19

Country Status (6)

Country Link
US (1) US3762201A (en)
JP (1) JPS4867164A (en)
DE (1) DE2163818A1 (en)
FR (1) FR2163771B1 (en)
GB (2) GB1418687A (en)
IT (1) IT971762B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA960885A (en) * 1972-08-02 1975-01-14 Frederick W. Kruppert Device for inserting plugs in a plug mill
FR2322674A1 (en) * 1974-01-10 1977-04-01 Vallourec MECHANICAL CHUCK CHANGE DEVICE FOR ROLLING ROLLERS
FR2266557B1 (en) * 1974-04-05 1977-10-14 Valti Fabr Tubes Roulements
FR2282301A1 (en) * 1974-08-22 1976-03-19 Mannesmann Roehren Werke Ag MULTI-PART SAFETY PLUGS FOR ROLLING MACHINE
US4015460A (en) * 1976-01-09 1977-04-05 Damascus Steel Casting Company Rolling mill plug assembly
FR2338093A1 (en) * 1976-01-19 1977-08-12 Vallourec NEW WELDLESS TUBE MANUFACTURING LAMINATOR AND SEAMLESS TUBE MANUFACTURING PLANT INCLUDING SUCH A ROLLER
US4028923A (en) * 1976-05-04 1977-06-14 Aetna-Standard Engineering Company Plug and shoe changing in piercing and reeling mills
DE2652759C3 (en) * 1976-11-16 1980-05-22 Mannesmann Ag, 4000 Duesseldorf Detachable connection between a mandrel and the mandrel bar of a cross rolling mill
US4115958A (en) * 1977-02-18 1978-09-26 The Warner & Swasey Company Method of cylindrical and shoulder grinding
DE4431389C1 (en) * 1994-08-25 1995-08-10 Mannesmann Ag Plug handling in plug rolling mills

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1752385A1 (en) * 1968-05-17 1971-05-19 Rosorius Fa Hermann Device for aligning and centering workpieces to be welded, in particular pipes

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US529910A (en) * 1894-11-27 Apparatus for the manufacture of tubing
US769709A (en) * 1901-04-03 1904-09-13 Nat Tube Co Tube-rolling mill.
US1537206A (en) * 1923-03-17 1925-05-12 Malcolm U Wikstrom Tube-rolling method and apparatus
US1931571A (en) * 1931-08-04 1933-10-24 Frank J Burns Plug bar for seamless tube mills
US1997997A (en) * 1933-03-03 1935-04-16 Diescher Tube Mills Inc Mandrel for tube rolling mills
US2635492A (en) * 1946-03-20 1953-04-21 Martin S Gettig Plug-handling mechanism for seamless tube mills
US3277687A (en) * 1963-09-09 1966-10-11 Gen Mills Inc Plug handling apparatus for seamless tube mill
BE715196A (en) * 1967-05-18 1968-09-30

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1752385A1 (en) * 1968-05-17 1971-05-19 Rosorius Fa Hermann Device for aligning and centering workpieces to be welded, in particular pipes

Also Published As

Publication number Publication date
DE2163818A1 (en) 1973-06-20
GB1418687A (en) 1975-12-24
GB1418688A (en) 1975-12-24
FR2163771A1 (en) 1973-07-27
FR2163771B1 (en) 1975-06-20
US3762201A (en) 1973-10-02
IT971762B (en) 1974-05-10

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