发明名称 BALL TIP FOR A WRITING INSTRUMENT AND METHOD FOR MAKING SAME
摘要 The ball point comprises a body having a front surface and a housing emerging in an opening in the front surface and communicating with a passage supplying a fluid. A ball can rotate freely in the housing. The body front surface has a peripheral portion parallel to the median plane of the opening and a flared portion adjacent to the opening periphery which forms at the point of contact of the ball with the opening periphery an acute angle with the emerging part of the plane tangent to the ball at the contact point.
申请公布号 CA2488282(C) 申请公布日期 2011.12.06
申请号 CA20032488282 申请日期 2003.05.28
申请人 SOCIETE BIC 发明人 ROSENZWEIG, ALAIN;RATH, KURT;DEHAUDT, ANDRE
分类号 B43K1/08;B43L19/00;B05C17/00;B43K7/00;B43M11/06 主分类号 B43K1/08
代理机构 代理人
主权项
地址