会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • Steel strip and method for producing rolling dull roll
    • 钢带及其制造方法
    • US5358794A
    • 1994-10-25
    • US50140
    • 1993-05-03
    • Takaharu KawamotoYasutaka NawataYasuo HamamotoHiromi ToyotaShuichi Shiozawa
    • Takaharu KawamotoYasutaka NawataYasuo HamamotoHiromi ToyotaShuichi Shiozawa
    • B21B1/22B21B27/00B21D53/00
    • B21B27/005B21B1/227Y10T29/49563Y10T428/12389Y10T428/12993
    • In order to improve the sharpness, after painting, of a steel strip and, at the same time, improve the press moldability of the steel strip, the steel strip of the present invention is characterized by having a plurality of small recessed portions transferred by means of a rolling dull roll having a protrusion composed mainly of Cr and homogeneously provided on the surface of the roll; the recessed portion having a configuration satisfying requirements of a diameter, d, of 50 to 500 .mu.m, a depth, h, of the recessed portion of 2 to 40 .mu.m and a total volume of recessed portions per mm.sup.2 of the surface of the steel strip of 0.10.times.10.sup.6 .mu.m.sup.3 or more, the center line distance, P.sub.1, between recessed portions adjacent to each other in the direction of rolling being in the range of from 1.0 d to 4.0 d, the center line distance, P.sub.2, between rows in the direction of rolling being in the range of from 1.0 d to 4.0 d.
    • PCT No.PCT / JP92 / 01079 Sec。 371日期:1993年5月3日 102(e)日期1993年5月3日PCT提交1992年8月26日PCT公布。 出版物WO93 / 04796 1993年3月18日,为了提高钢带的喷涂后的清晰度,同时提高钢带的冲压成形性,本发明的钢带的特征在于具有多个 通过具有主要由Cr组成的突起并且均匀地设置在辊的表面上的滚动钝的辊转移的小凹部; 所述凹部具有满足直径d为50〜500μm,凹部的深度h为2〜40μm的构造的凹部,以及所述凹部的表面的总体积 0.10×10 6平方米以上的钢带,在轧制方向上彼此相邻的凹部之间的中心线距离P1在1.0〜4.0d的范围内,行之间的中心线距离P2 在轧制方向为1.0d至4.0d的范围内。