JPH03100486U - - Google Patents
Info
- Publication number
- JPH03100486U JPH03100486U JP710090U JP710090U JPH03100486U JP H03100486 U JPH03100486 U JP H03100486U JP 710090 U JP710090 U JP 710090U JP 710090 U JP710090 U JP 710090U JP H03100486 U JPH03100486 U JP H03100486U
- Authority
- JP
- Japan
- Prior art keywords
- cap
- writing instrument
- slide
- inner cylinder
- air passage
- 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
- 239000011553 magnetic fluid Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Pens And Brushes (AREA)
Description
第１図は内筒の一部断面図、第２図は第１図の
−線における断面図、第３図は第１図の−
線における断面図、第４図と第５図は本考案実
施例の一部断面図である。
１……内筒、１１……係止突起、１２……空気
通路、１３……ストツパー突起、１５……ストツ
パー段部、１６……横孔、２……スライド栓、２
１……磁性流体、２２……溌水シート、３……キ
ヤツプ本体、４……筆記具、４１……ペン体、４
２……口金。
Figure 1 is a partial sectional view of the inner cylinder, Figure 2 is a sectional view taken along the - line in Figure 1, and Figure 3 is a - line in Figure 1.
4 and 5 are partial sectional views of an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Inner cylinder, 11... Locking protrusion, 12... Air passage, 13... Stopper protrusion, 15... Stopper step, 16... Horizontal hole, 2... Slide plug, 2
1...Magnetic fluid, 22...Water repellent sheet, 3...Cap body, 4...Writing instrument, 41...Pen body, 4
2...Cap.
Claims (1)
内に配設された内筒に筆記具の口金が密着してペ
ン体がシールされる筆記具用キヤツプにおいて、 前記内筒内部に、外周に磁性流体が塗布された
磁石からなるスライド栓が所定区間だけ摺動自由
に気密配置されるとともに、スライド栓の天部側
が外気と連通し、かつ内筒内面の所定位置に縦方
向の空気通路が形成され、スライド栓が合口側に
前進してスライド栓の天部側端が該空気通路に達
すると内筒内部が外気と連通することを特徴とす
る筆記具用キヤツプ。[Scope of Claim for Utility Model Registration] A cap for a writing instrument in which, when the cap is fitted into a writing instrument, the base of the writing instrument comes into close contact with an inner cylinder disposed within the cap body, thereby sealing the pen body. , a slide plug made of a magnet whose outer periphery is coated with magnetic fluid is arranged so as to be able to slide freely in a predetermined section, and the top side of the slide plug is in communication with the outside air, and a longitudinally extending magnet is placed at a predetermined position on the inner surface of the inner cylinder. A cap for a writing instrument, characterized in that an air passage is formed, and when the slide stopper advances toward the abutment side and the top end of the slide stopper reaches the air passage, the inside of the inner cylinder communicates with outside air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP710090U JPH0717514Y2 (en) | 1990-01-30 | 1990-01-30 | Writing instrument cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP710090U JPH0717514Y2 (en) | 1990-01-30 | 1990-01-30 | Writing instrument cap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03100486U true JPH03100486U (en) | 1991-10-21 |
| JPH0717514Y2 JPH0717514Y2 (en) | 1995-04-26 |
Family
ID=31510760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP710090U Expired - Lifetime JPH0717514Y2 (en) | 1990-01-30 | 1990-01-30 | Writing instrument cap |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0717514Y2 (en) |
-
1990
- 1990-01-30 JP JP710090U patent/JPH0717514Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0717514Y2 (en) | 1995-04-26 |