发明名称 LEAD CORE FOR WRITING INSTRUMENT, DRAFTSMAN'S OUTFIT, AND/OR DRAWING TOOL
摘要 PROBLEM TO BE SOLVED: To offer a lead core for writing instruments, draftsman's outfit and/or drawing tools, of which color particles do not break (peel) off and at the same time has visually identifiable information corresponding to the type of the lead core being used. SOLUTION: The lead core of this invention for writing instruments, draftsman's outfit and/or drawing tools has its surface covered with at least one coating and/or at least one partial coating. Further this coating carries the following identifications as its specific information; manufacturer identification mark, hardness identification mark, quality description and lead core size identification mark, etc. COPYRIGHT: (C)2006,JPO&NCIPI
申请公布号 JP2006205728(A) 申请公布日期 2006.08.10
申请号 JP20060007181 申请日期 2006.01.16
申请人 JS STAEDTLER GMBH & CO KG 发明人 KOLB ROMAN;LEHRER CHRISTA;REINER JUERGEN;THIES ANDREAS
分类号 B43K19/00;B43K19/02;C09D13/00 主分类号 B43K19/00
代理机构 代理人
主权项
地址