JPS63108920A - 有爪鋼製枕木の製造方法 - Google Patents
有爪鋼製枕木の製造方法Info
- Publication number
- JPS63108920A JPS63108920A JP25526286A JP25526286A JPS63108920A JP S63108920 A JPS63108920 A JP S63108920A JP 25526286 A JP25526286 A JP 25526286A JP 25526286 A JP25526286 A JP 25526286A JP S63108920 A JPS63108920 A JP S63108920A
- Authority
- JP
- Japan
- Prior art keywords
- bending
- die
- steel
- punch
- hardware
- 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
Links
Landscapes
- Bending Of Plates, Rods, And Pipes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25526286A JPS63108920A (ja) | 1986-10-27 | 1986-10-27 | 有爪鋼製枕木の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25526286A JPS63108920A (ja) | 1986-10-27 | 1986-10-27 | 有爪鋼製枕木の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63108920A true JPS63108920A (ja) | 1988-05-13 |
| JPH0363447B2 JPH0363447B2 (enExample) | 1991-10-01 |
Family
ID=17276305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25526286A Granted JPS63108920A (ja) | 1986-10-27 | 1986-10-27 | 有爪鋼製枕木の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63108920A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0230401U (enExample) * | 1988-08-19 | 1990-02-27 | ||
| WO1998009022A1 (en) * | 1996-08-28 | 1998-03-05 | British Steel Plc | Steel railroad sleepers |
-
1986
- 1986-10-27 JP JP25526286A patent/JPS63108920A/ja active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0230401U (enExample) * | 1988-08-19 | 1990-02-27 | ||
| WO1998009022A1 (en) * | 1996-08-28 | 1998-03-05 | British Steel Plc | Steel railroad sleepers |
| US6230981B1 (en) | 1996-08-28 | 2001-05-15 | Corus Uk Limited | Steel railroad sleepers |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0363447B2 (enExample) | 1991-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1334564A (en) | Method and apparatus for making wheel rims | |
| JP2844564B2 (ja) | 金属パネルのコーナー加工方法 | |
| JPS63108920A (ja) | 有爪鋼製枕木の製造方法 | |
| JPS58173026A (ja) | 曲げ加工方法 | |
| JPS637381Y2 (enExample) | ||
| JPS6186031A (ja) | U曲げ加工装置 | |
| ATE104879T1 (de) | Verfahren und einrichtung zur herstellung von einen unrunden querschnitt aufweisenden dosenkoerpern. | |
| JP2568836B2 (ja) | 波板成形方法と波板成形装置 | |
| JPS6144576B2 (enExample) | ||
| CN217165950U (zh) | 一种折弯工装 | |
| JP2002113538A (ja) | 窓枠ヘミングプレス装置及びそれを用いる自動車ドア窓枠の製造方法 | |
| JPS59147719A (ja) | エツジベンド工法及びその装置 | |
| JPS5927965Y2 (ja) | 鍛造用ダイス | |
| JPH0110097Y2 (enExample) | ||
| JPS58125318A (ja) | 長尺薄板の曲げ加工方法 | |
| JP2906967B2 (ja) | 圧延チャンネルの製造方法 | |
| JPH07100539A (ja) | プレスブレーキ用金型及びプレスブレーキ用金型によるつぶし曲げ加工法 | |
| JPS61229418A (ja) | 帯状素板の矯正方法 | |
| JPS6024225A (ja) | ベンデイングロ−ルによるパイプ成形方法 | |
| JPS635825A (ja) | ロ−ル曲げ加工におけるしわ発生抑制方法 | |
| CN111687307B (zh) | 具有能够恢复原状的结构的无刮痕框架用弯曲压模 | |
| JPH05237549A (ja) | プレス用u曲げ型 | |
| JPS6358062B2 (enExample) | ||
| JPH0240592B2 (ja) | Shokokyogaidoreeru | |
| JPH0354852A (ja) | 半導体装置用リードフレームの製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |