发明名称 Razor blade
摘要 An elongated stock material for use in manufacturing shaving razor blades, the material including an elongated, flat strip of metal having a front edge and back edge extending along its length, a sharpened cutting edge portion extending along the front edge, a weakened portion between the front edge and the back edge, a blade portion between the cutting edge portion and the weakened portion, and a removable portion between the weakened portion and the back edge. Also disclosed are blades and cartridges made from the material, and methods and apparatus making and using the material.
申请公布号 US6629475(B1) 申请公布日期 2003.10.07
申请号 US20000618375 申请日期 2000.07.18
申请人 THE GILLETTE COMPANY 发明人 NEAMTU NICOLAE;HOBBS STEPHEN F.
分类号 B26B21/56;B21D17/04;B21D53/64;E04C2/34;(IPC1-7):B21K11/00 主分类号 B26B21/56
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