发明名称 DISPOSABLE WRITING INSTRUMENT
摘要 1. Recorder comprising a tubular nib (11), an internal member (12) disposed in the interior of said nib (11) and provided with capillary tubes (16), a black dye container (13) and a slit (17) for guiding compensation air into the otherwise completely closed black dye container (13), said slit being provided between said nib (11) and said internal member (12) arranged therein, characterized in that said slit (17) is filled with black dye and in that the compensation of the hydrostatic pressure of said recorder (10) is effected through the black dye column located in said slit (17) of said nib.
申请公布号 DE3168317(D1) 申请公布日期 1985.02.28
申请号 DE19813168317 申请日期 1981.08.26
申请人 VALMET OY 发明人 TIIRA, PENTTI OLAVI
分类号 B43K8/02;(IPC1-7):B43K8/02 主分类号 B43K8/02
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