JPH047185U

JPH047185U -

Info

Publication number: JPH047185U
Application number: JP4810290U
Authority: JP
Priority date: 1990-05-10
Filing date: 1990-05-10
Publication date: 1992-01-22

Description

[Brief explanation of drawings]

第１図は、本考案の万年ペンの全体概略断面図
であり、第２図及び第３図は、本考案の万年ペン
のペン構造部Ｂの側面図であり、第４図は、ペン
構造部Ｂのペン先の正面図であり、第５図は、ペ
ン構造部ＢのＹ−Ｙ′断面図であり、第６図は、
ペン構造部ＢのＸ−Ｘ′断面図である。Ａ……ペンケース、Ｂ……ペン構造部、Ｃ……
インク溜、１……ペン先、２……インク流通路、
３……空気入口、４……インク溝、５……空気溝
、６……空気流通路、７……空気圧室、９……心
棒。 FIG. 1 is an overall schematic sectional view of the fountain pen of the present invention, FIGS. 2 and 3 are side views of the pen structure B of the fountain pen of the present invention, and FIG. FIG. 5 is a front view of the pen tip of the pen structure B, FIG. 5 is a YY′ sectional view of the pen structure B, and FIG.
FIG. 3 is a sectional view taken along line XX' of the pen structure part B. A...Pen case, B...Pen structure, C...
Ink reservoir, 1... pen tip, 2... ink flow path,
3... Air inlet, 4... Ink groove, 5... Air groove, 6... Air flow path, 7... Air pressure chamber, 9... Mandrel.

Claims

[Scope of Claim for Utility Model Registration] (1) A fountain pen consisting of a pen structure, an ink reservoir, and a pen case, where the pen structure is made of a material consisting of phenol resin or urea resin and glass, and , a fountain pen characterized in that an ink flow passage and an air flow passage are provided in the pen structure. (2) The fountain pen according to claim 1, wherein the mixing ratio of phenolic resin or urea resin and water glass is 7:3. (3) The fountain pen according to claim 1, wherein the pen structure has two ink flow passages and two air flow passages, and the pen tip has an octahedral shape.