JPS5894570U - Cartridge type writing instrument - Google Patents
Cartridge type writing instrumentInfo
- Publication number
- JPS5894570U JPS5894570U JP18902581U JP18902581U JPS5894570U JP S5894570 U JPS5894570 U JP S5894570U JP 18902581 U JP18902581 U JP 18902581U JP 18902581 U JP18902581 U JP 18902581U JP S5894570 U JPS5894570 U JP S5894570U
- Authority
- JP
- Japan
- Prior art keywords
- cartridge
- diameter
- cylindrical member
- type writing
- annular protrusions
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Pens And Brushes (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はカー） ＩＪツジ本体の断面図、第２図は従来
公知のカートリッジ式筆記具の部分断面図、第３図は本
考案のカー） ＩＪツジ式筆記具の断面図、第４図は本
考案の円筒部材の一実施例の拡大断面図、第５． ６．
７図は本考案によるカートリッジ −。
式筆記具の他の実施例の要部拡大断面図である。
′ １・・・・・・中径部、２・・・・・・軸筒、３
・・・・・・内面嵌合部、４・・・・・・円筒部材、４
ａ、 ４ｂ・・・・・・環状突起、５・・・・・・通気
孔、６′・・・・・・先端筆記部、Ａ・・・・・・カー
） ＩＪツジ本体、Ｂ・・・・・・空間部。Figure 1 is a sectional view of the IJ type writing instrument, Figure 2 is a partial sectional view of a conventionally known cartridge type writing instrument, Figure 3 is a sectional view of the IJ type writing instrument of the present invention, and Figure 4 is a sectional view of the IJ type writing instrument of the present invention. An enlarged sectional view of an embodiment of the invented cylindrical member, 5th. 6.
Figure 7 shows a cartridge according to the present invention. FIG. 7 is an enlarged sectional view of a main part of another embodiment of the writing instrument. ' 1...Medium diameter part, 2...Shaft cylinder, 3
...Inner fitting part, 4...Cylindrical member, 4
a, 4b...Annular protrusion, 5...Vent hole, 6'...Tip writing section, A...Car) IJ abutment body, B... ...Space department.
Claims (1)
具に於いて、カートリッジ本体Ａの中径部１とそれに対
向する位置にある軸筒２の内面嵌合部３との間に全長が
内面嵌合部３の全長より短くて外周に１条以上の断面半
円形状の環状突起４ａを設けた軟質で弾性のある円筒部
材４を圧入装置し、又円筒部材４の内面にはカートリッ
ジ本体Ａの中径部１の外径よりやや小径とした断面半円
形状の環状突起４ｂを１条以上設け、円筒部材４の内外
面に設けられた該環状突起４ａ、４ｂと軸筒２の内面嵌
合部３及びカートリッジ本体Ａの中径部１との密嵌によ
り形成された気密構造によって通気孔５あるいは先端筆
記部６′から気化したインキ溶剤が軸筒２内の空間部Ｂ
に流入しないように構成したカートリッジ式筆記具。In cartridge-type writing instruments such as water-based ballpoint pens and felt-tip pens, the entire length of the inner fitting part 3 is between the middle diameter part 1 of the cartridge body A and the inner fitting part 3 of the barrel 2 located at a position opposite thereto. A soft and elastic cylindrical member 4 that is shorter than the total length and has one or more annular protrusions 4a with a semicircular cross section on the outer periphery is press-fitted, and the inner diameter of the cylindrical member 4 is provided with a medium diameter portion 1 of the cartridge body A. One or more annular protrusions 4b having a semicircular cross section with a diameter slightly smaller than the outer diameter of the annular protrusions 4a and 4b provided on the inner and outer surfaces of the cylindrical member 4 and the inner fitting part 3 of the shaft cylinder 2 and the cartridge are provided. Due to the airtight structure formed by the tight fit between the main body A and the medium diameter part 1, the ink solvent vaporized from the ventilation hole 5 or the tip writing part 6' flows into the space B in the barrel cylinder 2.
A cartridge-type writing instrument designed to prevent water from flowing into the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18902581U JPS5894570U (en) | 1981-12-18 | 1981-12-18 | Cartridge type writing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18902581U JPS5894570U (en) | 1981-12-18 | 1981-12-18 | Cartridge type writing instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5894570U true JPS5894570U (en) | 1983-06-27 |
| JPS6142853Y2 JPS6142853Y2 (en) | 1986-12-04 |
Family
ID=30103142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18902581U Granted JPS5894570U (en) | 1981-12-18 | 1981-12-18 | Cartridge type writing instrument |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5894570U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS441721Y1 (en) * | 1966-05-10 | 1969-01-23 | ||
| JPS5648320A (en) * | 1979-09-20 | 1981-05-01 | Ajinomoto Co Inc | Apparatus for feeding solid article at constant quantity |
| JPS56136395A (en) * | 1980-03-28 | 1981-10-24 | Iwasaki Kinzoku Kogyo Kk | Note |
-
1981
- 1981-12-18 JP JP18902581U patent/JPS5894570U/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS441721Y1 (en) * | 1966-05-10 | 1969-01-23 | ||
| JPS5648320A (en) * | 1979-09-20 | 1981-05-01 | Ajinomoto Co Inc | Apparatus for feeding solid article at constant quantity |
| JPS56136395A (en) * | 1980-03-28 | 1981-10-24 | Iwasaki Kinzoku Kogyo Kk | Note |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6142853Y2 (en) | 1986-12-04 |
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