BR7604675A - Processo para perfuracao mediante rolo de prensa - Google Patents

Processo para perfuracao mediante rolo de prensa

Info

Publication number
BR7604675A
BR7604675A BR7604675A BR7604675A BR7604675A BR 7604675 A BR7604675 A BR 7604675A BR 7604675 A BR7604675 A BR 7604675A BR 7604675 A BR7604675 A BR 7604675A BR 7604675 A BR7604675 A BR 7604675A
Authority
BR
Brazil
Prior art keywords
press roll
drilling process
drilling
roll
press
Prior art date
Application number
BR7604675A
Other languages
English (en)
Inventor
S Yoshiwara
M Kawaharada
S Yanagimoto
Original Assignee
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of BR7604675A publication Critical patent/BR7604675A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
    • B21B17/08—Tube-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)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Metal Rolling (AREA)
  • Forging (AREA)
  • Extrusion Of Metal (AREA)
BR7604675A 1975-07-18 1976-07-16 Processo para perfuracao mediante rolo de prensa BR7604675A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50088031A JPS5211156A (en) 1975-07-18 1975-07-18 Method for hollowing press roll

Publications (1)

Publication Number Publication Date
BR7604675A true BR7604675A (pt) 1977-08-02

Family

ID=13931442

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7604675A BR7604675A (pt) 1975-07-18 1976-07-16 Processo para perfuracao mediante rolo de prensa

Country Status (10)

Country Link
US (1) US4052874A (pt)
JP (1) JPS5211156A (pt)
BR (1) BR7604675A (pt)
CA (1) CA1036394A (pt)
DE (1) DE2631562C2 (pt)
FR (1) FR2317973A1 (pt)
GB (1) GB1503482A (pt)
IT (1) IT1062259B (pt)
RO (1) RO71341A (pt)
SU (1) SU784743A3 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1115518B (it) * 1977-04-21 1986-02-03 Innocenti Santeustacchio Spa Guida di entrata per presso-laminatoio perforatore
EP0632752A4 (en) * 1992-03-23 1997-04-23 George N Mosey HOLE ROLLING MILL FOR THE PRODUCTION OF SEAMLESS TUBES.
JP5459347B2 (ja) * 2012-04-18 2014-04-02 新日鐵住金株式会社 継目無金属管用丸ビレット及び継目無金属管の製造方法
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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE100452C (pt) *
US721210A (en) * 1901-10-03 1903-02-24 Max Mannesmann Art of rolling tubes.
FR1224904A (fr) * 1958-02-05 1960-06-28 Procédé et laminoir perceur, à presse, pour la transformation de lingots ou barres pleines en ébauches creuses destinées à la fabrication de tubes sans soudure
DE1302427B (de) * 1963-07-04 1972-05-04 Calmes, Jean-Paul, Mont-sur-Lausanne (Schweiz) Verfahren zur Herstellung eines zylindrischen Hohlkörpers durch Preßlochwalzen

Also Published As

Publication number Publication date
FR2317973A1 (fr) 1977-02-11
US4052874A (en) 1977-10-11
RO71341A (ro) 1982-05-10
GB1503482A (en) 1978-03-08
DE2631562C2 (de) 1985-01-24
FR2317973B1 (pt) 1980-11-14
JPS5211156A (en) 1977-01-27
JPS5536001B2 (pt) 1980-09-18
IT1062259B (it) 1984-02-01
CA1036394A (en) 1978-08-15
SU784743A3 (ru) 1980-11-30
DE2631562A1 (de) 1977-01-20

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