JPH0448996B2 - - Google Patents

Info

Publication number
JPH0448996B2
JPH0448996B2 JP23174988A JP23174988A JPH0448996B2 JP H0448996 B2 JPH0448996 B2 JP H0448996B2 JP 23174988 A JP23174988 A JP 23174988A JP 23174988 A JP23174988 A JP 23174988A JP H0448996 B2 JPH0448996 B2 JP H0448996B2
Authority
JP
Japan
Prior art keywords
elbow
edges
forming
length
steel plate
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
JP23174988A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0280890A (ja
Inventor
Hiroshi Taguchi
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.)
BENKAN KK
Original Assignee
BENKAN KK
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 BENKAN KK filed Critical BENKAN KK
Priority to JP23174988A priority Critical patent/JPH0280890A/ja
Publication of JPH0280890A publication Critical patent/JPH0280890A/ja
Publication of JPH0448996B2 publication Critical patent/JPH0448996B2/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
    • B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
    • B21C37/286—Making tube fittings for connecting pipes, e.g. U-pieces starting from sheet material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Punching Or Piercing (AREA)
JP23174988A 1988-09-16 1988-09-16 エルボ製作用鋼板素材の板取り方法及びこの鋼板素材に依って製作されたエルボ Granted JPH0280890A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23174988A JPH0280890A (ja) 1988-09-16 1988-09-16 エルボ製作用鋼板素材の板取り方法及びこの鋼板素材に依って製作されたエルボ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23174988A JPH0280890A (ja) 1988-09-16 1988-09-16 エルボ製作用鋼板素材の板取り方法及びこの鋼板素材に依って製作されたエルボ

Publications (2)

Publication Number Publication Date
JPH0280890A JPH0280890A (ja) 1990-03-20
JPH0448996B2 true JPH0448996B2 (enrdf_load_stackoverflow) 1992-08-10

Family

ID=16928435

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23174988A Granted JPH0280890A (ja) 1988-09-16 1988-09-16 エルボ製作用鋼板素材の板取り方法及びこの鋼板素材に依って製作されたエルボ

Country Status (1)

Country Link
JP (1) JPH0280890A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103894444A (zh) * 2014-03-06 2014-07-02 燕山大学 单焊缝弯头压制成形方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4808796B2 (ja) * 2009-03-27 2011-11-02 東邦ガスリビング株式会社 排気ダクト及びそれを用いたレンジフード
CN104344201A (zh) * 2013-08-01 2015-02-11 上海凯科管业有限公司 一种板制弯头的哈弧板坯及该板制弯头的下料方法
CN110202061A (zh) * 2019-07-18 2019-09-06 燕山大学 一种外弧单焊缝弯头冷冲成形模具及方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103894444A (zh) * 2014-03-06 2014-07-02 燕山大学 单焊缝弯头压制成形方法

Also Published As

Publication number Publication date
JPH0280890A (ja) 1990-03-20

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