BE649578A - - Google Patents

Info

Publication number
BE649578A
BE649578A BE649578A BE649578A BE649578A BE 649578 A BE649578 A BE 649578A BE 649578 A BE649578 A BE 649578A BE 649578 A BE649578 A BE 649578A BE 649578 A BE649578 A BE 649578A
Authority
BE
Belgium
Application number
BE649578A
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 BE649578A publication Critical patent/BE649578A/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B17/00Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
    • B21B17/08Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel having one or more protrusions, i.e. only the mandrel plugs contact the rolled tube; Press-piercing mills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
BE649578A 1963-07-04 1964-06-22 BE649578A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEC0030354 1963-07-04

Publications (1)

Publication Number Publication Date
BE649578A true BE649578A (de) 1964-10-16

Family

ID=7019304

Family Applications (1)

Application Number Title Priority Date Filing Date
BE649578A BE649578A (de) 1963-07-04 1964-06-22

Country Status (7)

Country Link
US (1) US3391561A (de)
AT (1) AT258842B (de)
BE (1) BE649578A (de)
DE (1) DE1302427B (de)
GB (1) GB1008709A (de)
NL (1) NL6407605A (de)
SE (1) SE320042B (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5211156A (en) * 1975-07-18 1977-01-27 Nippon Steel Corp Method for hollowing press roll
US4074557A (en) * 1975-10-30 1978-02-21 Nippon Steel Corporation Metal extrusion process with high reduction
US4341106A (en) * 1977-04-13 1982-07-27 Gleason Works Apparatus for controlling the movement of a reciprocatory hydraulically driven element of a metal forming machine
IT1115518B (it) * 1977-04-21 1986-02-03 Innocenti Santeustacchio Spa Guida di entrata per presso-laminatoio perforatore
JPS5849327B2 (ja) * 1980-04-21 1983-11-04 新日本製鐵株式会社 管圧延法
DE3328269A1 (de) * 1983-08-02 1985-02-21 Mannesmann AG, 4000 Düsseldorf Verfahren zum herstellen eines hohlkoerpers
US4674171A (en) * 1984-04-20 1987-06-23 Lor, Inc. Heavy wall drill pipe and method of manufacture of heavy wall drill pipe
US4771811A (en) * 1984-04-20 1988-09-20 Lor, Inc. Heavy wall drill pipe and method of manufacture of heavy wall drill pipe
DE3837399C1 (de) * 1988-11-01 1989-11-16 Mannesmann Ag, 4000 Duesseldorf, De
EP0632752A4 (de) * 1992-03-23 1997-04-23 George N Mosey Lochwalzwerk zur herstellung nahtloser rohre.
DE102012107041B4 (de) 2012-08-01 2014-05-15 Benteler Deutschland Gmbh Verfahren und Vorrichtung zur Herstellung eines metallischen Hohlblockes aus einem metallischen Block
RU2721253C1 (ru) * 2019-09-09 2020-05-18 Общество с ограниченной ответственностью "ФБТ" (ООО "ФБТ") Способ изготовления длинномерных пустотелых изделий и устройство для его реализации
CN111229842B (zh) * 2020-01-20 2020-11-27 燕山大学 轧制重载变形区动态接触换热模拟装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2791924A (en) * 1951-08-25 1957-05-14 Babcock & Wilcox Co Rotary piercing processes

Also Published As

Publication number Publication date
US3391561A (en) 1968-07-09
GB1008709A (en) 1965-11-03
DE1302427B (de) 1972-05-04
NL6407605A (de) 1965-01-05
AT258842B (de) 1967-12-11
SE320042B (de) 1970-02-02

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