JPS5945027A - 花弁形フイン付管の製造方法 - Google Patents

花弁形フイン付管の製造方法

Info

Publication number
JPS5945027A
JPS5945027A JP15513582A JP15513582A JPS5945027A JP S5945027 A JPS5945027 A JP S5945027A JP 15513582 A JP15513582 A JP 15513582A JP 15513582 A JP15513582 A JP 15513582A JP S5945027 A JPS5945027 A JP S5945027A
Authority
JP
Japan
Prior art keywords
core pipe
core tube
inner end
formed body
axis
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
JP15513582A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0157965B2 (enExample
Inventor
Naoki Shimoda
直樹 下田
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.)
Sumitomo Heavy Industries Ltd
Original Assignee
Sumitomo Heavy Industries Ltd
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 Sumitomo Heavy Industries Ltd filed Critical Sumitomo Heavy Industries Ltd
Priority to JP15513582A priority Critical patent/JPS5945027A/ja
Publication of JPS5945027A publication Critical patent/JPS5945027A/ja
Publication of JPH0157965B2 publication Critical patent/JPH0157965B2/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
    • B21C37/22—Making finned or ribbed tubes by fixing strip or like material to tubes
    • B21C37/26—Making finned or ribbed tubes by fixing strip or like material to tubes helically-ribbed tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
JP15513582A 1982-09-08 1982-09-08 花弁形フイン付管の製造方法 Granted JPS5945027A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15513582A JPS5945027A (ja) 1982-09-08 1982-09-08 花弁形フイン付管の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15513582A JPS5945027A (ja) 1982-09-08 1982-09-08 花弁形フイン付管の製造方法

Publications (2)

Publication Number Publication Date
JPS5945027A true JPS5945027A (ja) 1984-03-13
JPH0157965B2 JPH0157965B2 (enExample) 1989-12-08

Family

ID=15599315

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15513582A Granted JPS5945027A (ja) 1982-09-08 1982-09-08 花弁形フイン付管の製造方法

Country Status (1)

Country Link
JP (1) JPS5945027A (enExample)

Also Published As

Publication number Publication date
JPH0157965B2 (enExample) 1989-12-08

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