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
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)
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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (1)
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)
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 |
-
1988
- 1988-09-16 JP JP23174988A patent/JPH0280890A/ja active Granted
Cited By (1)
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 |