发明名称 Writing instrument
摘要 An improved writing nib for a writing instrument comprising a cylindrical casing having an ink reservoir therein. Said nib has an inner capillary conduit which forms, in a transverse cross section of the nib, at least one straight slit which extends from the center of the cross section toward the outer periphery of said nib substantially in the radial direction of the cross section, and forms a plurality of radially spaced-apart arc shaped slits which are coaxial with each other about said center, a part of each of said arc shaped slits being interconnected with said straight slit.
申请公布号 US4065215(A) 申请公布日期 1977.12.27
申请号 US19760648840 申请日期 1976.01.14
申请人 TOPLAN MANUFACTURING INC. 发明人 OTSUKA, KATSUMI
分类号 B43K1/00;(IPC1-7):B43K8/00 主分类号 B43K1/00
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