REFILL FOR WRITING INSTRUMENTS,申请号JP19980145145-传众专利搜索

REFILL FOR WRITING INSTRUMENTS

申请公布号：JPH11321177(A)

申请号：JP19980145145

申请日期：1998.05.12

申请公布日期：1999.11.24

申请人：

SAILOR PEN CO LTD:THE

发明人：MATSUKAWA AKIRA

分类号：B43K7/02;B43K5/02;B43K7/08;B43K8/02

主分类号：B43K7/02

摘要：PROBLEM TO BE SOLVED: To prevent water ink from leaking out on the surface of an ink sleeve, and also prevent the writing instruments per se., hands, clothes and the like from being fouled with ink. SOLUTION: The refill for writing instruments has a pen body tip connected to an ink sleeve 10 with water ink filled directly therein via a coupling 20, in which the coupling 20 includes a flange 23, and a cylinder 22 being communicated with the flange 23 and forcibly pressed in the ink sleeve 10; then the cylinder 22 of the coupling 20 is forcibly pressed in the ink sleeve 10 in a state where a weak capillary force creating interstice S is formed between the tip end periphery 10a of the ink sleeve 10 and the end face 23a of the flange 23 of the coupling 20.