IT971762B - CHANGE DEVICE FOR GATUBI AND PIPE EXTENSION - Google Patents

CHANGE DEVICE FOR GATUBI AND PIPE EXTENSION

Info

Publication number
IT971762B
IT971762B IT32783/72A IT3278372A IT971762B IT 971762 B IT971762 B IT 971762B IT 32783/72 A IT32783/72 A IT 32783/72A IT 3278372 A IT3278372 A IT 3278372A IT 971762 B IT971762 B IT 971762B
Authority
IT
Italy
Prior art keywords
gatubi
change device
pipe extension
extension
pipe
Prior art date
Application number
IT32783/72A
Other languages
Italian (it)
Inventor
Armin Philipps
W Schonfeld
Original Assignee
Mannesmann Roehren Werke Ag
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 Mannesmann Roehren Werke Ag filed Critical Mannesmann Roehren Werke Ag
Application granted granted Critical
Publication of IT971762B publication Critical patent/IT971762B/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
    • 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)
IT32783/72A 1971-12-17 1972-12-12 CHANGE DEVICE FOR GATUBI AND PIPE EXTENSION IT971762B (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
IT971762B true IT971762B (en) 1974-05-10

Family

ID=25762205

Family Applications (1)

Application Number Title Priority Date Filing Date
IT32783/72A IT971762B (en) 1971-12-17 1972-12-12 CHANGE DEVICE FOR GATUBI AND PIPE EXTENSION

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

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

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
JPS4867164A (en) 1973-09-13
FR2163771B1 (en) 1975-06-20
US3762201A (en) 1973-10-02

Similar Documents

Publication Publication Date Title
IT951418B (en) TRANSPORT DEVICE
AT324053B (en) PIPE CONNECTION
IT973049B (en) FORMING DEVICE
TR17829A (en) SUEPUERME DEVICE
SE384922B (en) VETEJONKENSLIG METAN DEVICE
SE398056B (en) TOOL CHANGE DEVICE
IT971426B (en) MERGER DEVICE
SE390436B (en) Muffler DEVICE
IT971762B (en) CHANGE DEVICE FOR GATUBI AND PIPE EXTENSION
SE388803B (en) FOLLOWING DEVICE
AT344207B (en) TEXT PROCESSING DEVICE
AT318326B (en) Pipe connection
IT947982B (en) DRAINAGE DEVICE
TR17651A (en) HARARET MUEBADELE DEVICE
AT318666B (en) Adjustable heat pipe
AT315525B (en) Drawing device
SE383389B (en) FLEKING DEVICE
AT318985B (en) Pipe connection
IT955190B (en) FLUID DEVICE
IT957703B (en) GALLIUS ARSENIUR DEVICE
CH533788A (en) Pipe clamp
IT968657B (en) CLAMPING DEVICE
IT946323B (en) TRANSFER DEVICE
AT314589B (en) Bridge-laying device
AT317571B (en) Drawing aid device