| 发明名称 |
Method for levelling a metal strip or sheet |
| 摘要 |
A method for levelling a metal strip or sheet in which the metal strip or sheet is subjected to repeated bending by means of a roll arrangement of two or more rolls having a diameter of at least 600 times the thickness of the metal while cooling the metal strip or sheet from at least about 210 DEG C to about 50 DEG C at a cooling rate not lower than a critical cooling rate C as defined by the following formula but not higher than 200 DEG C/sec., <IMAGE>
|
| 申请公布号 |
US4057989(A) |
申请公布日期 |
1977.11.15 |
| 申请号 |
US19760713043 |
申请日期 |
1976.08.09 |
| 申请人 |
NIPPON STEEL CORPORATION |
发明人 |
TAKECHI, HIROSHI;ABE, MITSUNOBU;KATSUTANI, RYOSEKI;SAITO, YOSHIO |
| 分类号 |
B21D1/00;B21D1/02;B21D1/05;B21D1/12;C21D8/02;(IPC1-7):B21D1/02;B21B45/02;C21D9/46 |
主分类号 |
B21D1/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
