JPS5224970A - Method of press roll boring - Google Patents

Method of press roll boring

Info

Publication number
JPS5224970A
JPS5224970A JP50102348A JP10234875A JPS5224970A JP S5224970 A JPS5224970 A JP S5224970A JP 50102348 A JP50102348 A JP 50102348A JP 10234875 A JP10234875 A JP 10234875A JP S5224970 A JPS5224970 A JP S5224970A
Authority
JP
Japan
Prior art keywords
press roll
roll boring
boring
press
roll
Prior art date
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.)
Granted
Application number
JP50102348A
Other languages
Japanese (ja)
Other versions
JPS563124B2 (en
Inventor
Seishirou Yoshihara
Minoru Kaharada
Samon Yanamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
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
Priority to JP50102348A priority Critical patent/JPS5224970A/en
Priority to GB3457676A priority patent/GB1554753A/en
Priority to DE19762637542 priority patent/DE2637542A1/en
Priority to CA259,594A priority patent/CA1046308A/en
Priority to FR7625384A priority patent/FR2321340A1/en
Priority to SU762390805A priority patent/SU1022652A3/en
Priority to RO7687346A priority patent/RO71124A/en
Priority to BR7605525A priority patent/BR7605525A/en
Priority to IT2643876A priority patent/IT1062264B/en
Publication of JPS5224970A publication Critical patent/JPS5224970A/en
Priority to US05/878,169 priority patent/US4190887A/en
Publication of JPS563124B2 publication Critical patent/JPS563124B2/ja
Granted legal-status Critical Current

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)
  • Control Of Metal Rolling (AREA)
  • Forging (AREA)
JP50102348A 1975-08-22 1975-08-22 Method of press roll boring Granted JPS5224970A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
JP50102348A JPS5224970A (en) 1975-08-22 1975-08-22 Method of press roll boring
GB3457676A GB1554753A (en) 1975-08-22 1976-08-19 Press roll piercing method
SU762390805A SU1022652A3 (en) 1975-08-22 1976-08-20 Method of producing sleeves
CA259,594A CA1046308A (en) 1975-08-22 1976-08-20 Press roll piercing method
FR7625384A FR2321340A1 (en) 1975-08-22 1976-08-20 PUSHING ROLLED DRILLING PROCESS
DE19762637542 DE2637542A1 (en) 1975-08-22 1976-08-20 PERFORATION PROCESS FOR THE MANUFACTURE OF DOLLARS
RO7687346A RO71124A (en) 1975-08-22 1976-08-21 PROCESS FOR PERFORATING SEMI-PRODUCTS USED IN THE MANUFACTURE OF PIPES
BR7605525A BR7605525A (en) 1975-08-22 1976-08-23 DRILLING PROCESS IN PRESS ROLLS
IT2643876A IT1062264B (en) 1975-08-22 1976-08-23 PRE-CALCULATED EQUIPMENT FOR THE PRODUCTION OF TUBES FROM BILLETS FOR AXIAL PERFORATION WITH CONTEMPORARY LAMINATION
US05/878,169 US4190887A (en) 1975-08-22 1978-02-15 Press roll piercing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50102348A JPS5224970A (en) 1975-08-22 1975-08-22 Method of press roll boring

Publications (2)

Publication Number Publication Date
JPS5224970A true JPS5224970A (en) 1977-02-24
JPS563124B2 JPS563124B2 (en) 1981-01-23

Family

ID=14324973

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50102348A Granted JPS5224970A (en) 1975-08-22 1975-08-22 Method of press roll boring

Country Status (9)

Country Link
JP (1) JPS5224970A (en)
BR (1) BR7605525A (en)
CA (1) CA1046308A (en)
DE (1) DE2637542A1 (en)
FR (1) FR2321340A1 (en)
GB (1) GB1554753A (en)
IT (1) IT1062264B (en)
RO (1) RO71124A (en)
SU (1) SU1022652A3 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53132453A (en) * 1977-04-25 1978-11-18 Sumitomo Metal Ind Ltd Piercing method in press piercing mill
JPS6289110U (en) * 1985-11-25 1987-06-08

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53132453A (en) * 1977-04-25 1978-11-18 Sumitomo Metal Ind Ltd Piercing method in press piercing mill
JPS6289110U (en) * 1985-11-25 1987-06-08

Also Published As

Publication number Publication date
SU1022652A3 (en) 1983-06-07
FR2321340A1 (en) 1977-03-18
JPS563124B2 (en) 1981-01-23
BR7605525A (en) 1977-08-09
DE2637542A1 (en) 1977-02-24
GB1554753A (en) 1979-10-31
FR2321340B1 (en) 1979-01-12
CA1046308A (en) 1979-01-16
RO71124A (en) 1981-11-04
IT1062264B (en) 1984-02-01

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