JPS6312692B2 - - Google Patents

Info

Publication number
JPS6312692B2
JPS6312692B2 JP19081281A JP19081281A JPS6312692B2 JP S6312692 B2 JPS6312692 B2 JP S6312692B2 JP 19081281 A JP19081281 A JP 19081281A JP 19081281 A JP19081281 A JP 19081281A JP S6312692 B2 JPS6312692 B2 JP S6312692B2
Authority
JP
Japan
Prior art keywords
die
tube
walled
thin
different
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.)
Expired
Application number
JP19081281A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5893512A (ja
Inventor
Masaharu Doi
Keisuke Fujii
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 JP19081281A priority Critical patent/JPS5893512A/ja
Publication of JPS5893512A publication Critical patent/JPS5893512A/ja
Publication of JPS6312692B2 publication Critical patent/JPS6312692B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/16—Making tubes with varying diameter in longitudinal direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Extraction Processes (AREA)
JP19081281A 1981-11-30 1981-11-30 異径管の製造方法 Granted JPS5893512A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19081281A JPS5893512A (ja) 1981-11-30 1981-11-30 異径管の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19081281A JPS5893512A (ja) 1981-11-30 1981-11-30 異径管の製造方法

Publications (2)

Publication Number Publication Date
JPS5893512A JPS5893512A (ja) 1983-06-03
JPS6312692B2 true JPS6312692B2 (enrdf_load_stackoverflow) 1988-03-22

Family

ID=16264153

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19081281A Granted JPS5893512A (ja) 1981-11-30 1981-11-30 異径管の製造方法

Country Status (1)

Country Link
JP (1) JPS5893512A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5430159B2 (ja) * 2009-01-28 2014-02-26 日新製鋼株式会社 異径鋼管の製造方法
CN114226477B (zh) * 2021-10-27 2024-06-25 首都航天机械有限公司 一种喷管管束自动化拉拔成形装置

Also Published As

Publication number Publication date
JPS5893512A (ja) 1983-06-03

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