JP2001180179A - Liquid discharging implement - Google Patents
Liquid discharging implementInfo
- Publication number
- JP2001180179A JP2001180179A JP37061799A JP37061799A JP2001180179A JP 2001180179 A JP2001180179 A JP 2001180179A JP 37061799 A JP37061799 A JP 37061799A JP 37061799 A JP37061799 A JP 37061799A JP 2001180179 A JP2001180179 A JP 2001180179A
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- ink
- content
- interface
- hydrogel material
- 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
Description
【0001】[0001]
【発明の属する技術分野】本発明は、インキ組成物や化
粧料組成物等を収容するマーキングペンやサインペン、
ボールペンなどの筆記具や塗布具など、内部に収容した
液体の吐出手段を有し、前記内容液体の界面に配置さ
れ、この内容液体が消費されるに伴って消費された内容
液体の体積分、内容液体の界面の移動と共に移動する移
動栓を備えた液体吐出具に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a marking pen and a felt-tip pen for accommodating an ink composition, a cosmetic composition and the like.
A writing instrument such as a ballpoint pen or an applicator, having means for discharging liquid contained therein, disposed at the interface of the content liquid, and the volume and content of the content liquid consumed as the content liquid is consumed The present invention relates to a liquid ejection device including a moving stopper that moves with movement of a liquid interface.
【0002】[0002]
【従来の技術】従来、筆記具や塗布具等、ペン先などの
液体吐出手段を有し、これらペン先等にインキを供給し
て、筆記や塗布、描画をなすものとして、インキタンク
内に自由状態で収容するインキの界面に、インキが洩れ
ないように蓋をする意味から移動栓を配置するものが知
られている。この移動栓は、インキ消費によるインキの
体積減少に伴ってインキ界面が移動するに追従するの
で、実質的なインキタンク内容積を変化させ、次第に容
器内が負圧になり吐出手段にインキが供給され難くな
り、吐出不良となることを抑制することができる。一例
を挙げると、特開昭62−199192号公報には、移
動栓を弾性体であるシリコンゴムとし、移動栓の外径を
容器内径よりも若干大きくし、圧接することによってイ
ンキと空気とを区画しているものが開示されている。2. Description of the Related Art Conventionally, there has been provided a liquid discharging means such as a pen tip such as a writing instrument or an applicator, and ink is supplied to the pen tip or the like so that writing, coating and drawing can be freely performed in an ink tank. 2. Description of the Related Art There is known an arrangement in which a moving stopper is disposed at an interface between inks stored in a state so as to cover the ink so that the ink does not leak. This moving stopper follows the movement of the ink interface as the ink volume decreases due to ink consumption, so the actual volume inside the ink tank changes, and the pressure inside the container gradually becomes negative, and ink is supplied to the discharge means. And the occurrence of ejection failure can be suppressed. For example, Japanese Patent Application Laid-Open No. Sho 62-199192 discloses that the moving stopper is made of silicone rubber which is an elastic body, the outer diameter of the moving stopper is slightly larger than the inner diameter of the container, and the ink and the air are contacted by pressing. What compartments are disclosed.
【0003】[0003]
【発明が解決しようとする課題】上述のような、シリコ
ンゴムからなる弾性体を移動栓としたものでは、容器内
に圧入状態で配置することになるので、組み立て時に容
器内に空気を取り残してしまう可能性が高いものであっ
た。このように残された空気は、温度変化によって体積
が大きく変化するため、容器内に取り残された空気も温
度上昇によって体積膨張し、移動栓は容器内体積が増え
る方向に移動し、ついには容器末端に当接、移動不可能
となる。更に温度上昇に伴う体積膨張が続くと、膨張に
よる圧力によって、移動栓を弾性変形させ、空気の流通
路を形成する。この際、空気と一緒にインキが容器内か
ら出ると、インキ洩れにつながるということがあった。In the case where the elastic member made of silicone rubber is used as a movable stopper as described above, the movable stopper is disposed in a press-fit state in the container, so that air is left in the container during assembly. It was highly likely that Since the volume of the air left in this manner changes greatly due to a temperature change, the air left in the container also expands in volume due to a rise in temperature, and the moving stopper moves in the direction in which the volume in the container increases, and finally the container It abuts on the end and cannot move. Further, when the volume expansion accompanying the temperature rise continues, the moving stopper is elastically deformed by the pressure due to the expansion to form an air passage. At this time, if the ink comes out of the container together with the air, the ink sometimes leaks.
【0004】[0004]
【課題を解決するための手段】即ち、本発明は、内部に
収容した液体の吐出手段を有し、前記内容液体の界面に
配置され、この内容液体が消費されるに伴って消費され
た内容液体の体積分、内容液体の界面の移動と共に移動
する移動栓を備えた液体吐出具において、前記移動栓が
前記液体を吸収、膨潤し見かけ体積が増加するものとす
ると共に、この見かけ体積の増加によって前記移動栓と
前記液体貯蔵容器内壁との間の隙間を埋め両者が接触状
態となしたことを特徴とする液体吐出具を要旨とする。That is, the present invention has means for discharging liquid contained therein, which is disposed at the interface of the content liquid, and the content consumed as the content liquid is consumed. In a liquid ejector provided with a moving stopper that moves with the volume of the liquid and the movement of the interface of the content liquid, the moving stopper absorbs and swells the liquid to increase the apparent volume and increase the apparent volume. The gist of the present invention is that the gap between the moving stopper and the inner wall of the liquid storage container is filled with the liquid stopper so that both are in contact with each other.
【0005】[0005]
【作用】移動栓が液体表面と接触し、液体を吸収し、膨
潤することにより、移動栓と液体表面間に空間を残すこ
となく、容器内壁と接触して液密状態を形成し、適度な
圧接状態を形成させることができる。The moving stopper comes in contact with the liquid surface, absorbs the liquid, and swells, and forms a liquid-tight state by contacting the inner wall of the container without leaving a space between the moving stopper and the liquid surface. A press contact state can be formed.
【0006】以下、図面に基づき、本発明の液体吐出具
の一例について説明する。図1に示したものは、内部に
インキ1を自由状態で収容する、所謂生インキ式筆記具
の一例であり、液体貯蔵容器が一体的に軸に組み込まれ
ている例である。主にインキタンク部分を構成する筒体
2の先端部にペン先ホルダー3を接合してあり、このペ
ン先ホルダー3の貫通孔4に繊維集束体製のペン先5が
圧入によって取り付けてある。このペン先5が取り付け
られている貫通孔4は、後端のインキタンク側が小径部
となるようになされており、ペン芯の後部を圧入によっ
て締め付け、この締め付けられた部分の繊維の密度を他
の部分よりも高くしており、該部にてインキの導出をあ
る程度制御可能としている。Hereinafter, an example of the liquid ejection device of the present invention will be described with reference to the drawings. FIG. 1 shows an example of a so-called raw ink type writing instrument in which the ink 1 is stored in a free state, in which a liquid storage container is integrally incorporated in a shaft. A pen tip holder 3 is joined to a tip end of a cylinder 2 mainly constituting an ink tank part, and a pen tip 5 made of a fiber bundle is attached to a through hole 4 of the pen tip holder 3 by press-fitting. The penetrating hole 4 in which the pen tip 5 is attached has a small diameter portion at the rear end of the ink tank, and the rear portion of the pen core is tightened by press-fitting to reduce the fiber density of the tightened portion. Is higher than the portion, so that the ink discharge can be controlled to some extent in this portion.
【0007】筒体2は、内径18mmの円筒形状を有す
るポリプロピレン樹脂の射出成形品であり、その後部に
は、同じくポリプロピレン樹脂の射出成形品である尾栓
6が圧入固定されている。尾栓6は、中心孔6aをイン
キタンク内に向けて貫通させている。そして、筒体2の
内部にてインキ界面と接触する位置にヒドロゲル材から
なる移動栓7が配置されている。この移動栓7は、内容
インキを吸収して膨潤し、筒体2の内壁と接触して液密
状態を形成する。The cylindrical body 2 is an injection molded product of a polypropylene resin having a cylindrical shape with an inner diameter of 18 mm, and a tail plug 6, which is also an injection molded product of a polypropylene resin, is press-fitted and fixed to a rear portion thereof. The tail plug 6 penetrates the center hole 6a toward the inside of the ink tank. A moving stopper 7 made of a hydrogel material is disposed at a position in contact with the ink interface inside the cylinder 2. The moving stopper 7 absorbs the ink and swells, and comes into contact with the inner wall of the cylinder 2 to form a liquid-tight state.
【0008】移動栓7は、インキ界面と接触する前は、
筒体2の内径よりも径で0.1mm程度小さいものであ
り、膨潤によって、適度な圧接力にてインキ界面に配置
され、インキ消費に伴うインキ界面の移動に追従してス
ムースに移動するものである。 尚、ヒドロゲル材とし
ては、水溶性高分子であるポリビニルアルコール水溶液
にγ線を照射することで架橋反応させ、水不溶性高分子
としたものがある。又、親水性モノマーと疎水性マクロ
モノマーとを共重合させた水不溶性高分子であるヒドロ
ゲル材としては、ビニルエステルと、反応性二重結合を
持つスチレン共重合体又はアルキルメタクリレートとの
共重合体をケン化して得られる変性ポリビニルアルコー
ルがある。Before the moving stopper 7 comes into contact with the ink interface,
It is smaller than the inner diameter of the cylindrical body 2 by about 0.1 mm, and is arranged at the ink interface with an appropriate pressing force due to swelling, and moves smoothly following the movement of the ink interface accompanying ink consumption. It is. As the hydrogel material, there is a water-insoluble polymer which is subjected to a crosslinking reaction by irradiating an aqueous solution of polyvinyl alcohol, which is a water-soluble polymer, with gamma rays. Further, as a hydrogel material which is a water-insoluble polymer obtained by copolymerizing a hydrophilic monomer and a hydrophobic macromonomer, a copolymer of a vinyl ester, a styrene copolymer having a reactive double bond or an alkyl methacrylate is used. There is a modified polyvinyl alcohol obtained by saponifying
【0009】[0009]
【発明の効果】以上により、本発明は、液体貯蔵容器の
インキが収容される部分に気泡を残すことなく、容器内
壁面及びインキ界面と接触し、貯蔵容器内を液密に形成
する、更に、インキが消費された体積分移動し、容器の
内圧を大気圧に平衡に保つことができるので、簡単な構
造にて内容液の吐出不良や吹き出しを起こしにくいもの
とすることができると共に、内容液を移動栓から外に洩
らすことを極力抑制できるものである。As described above, according to the present invention, the liquid storage container is formed in a liquid-tight manner by contacting the inner wall surface and the ink interface without leaving air bubbles in the portion where the ink is stored. Because the volume of ink consumed has been moved and the internal pressure of the container can be kept at the same level as the atmospheric pressure, it is possible to make it difficult for defective ejection and ejection of the content liquid to occur with a simple structure. Leakage of the liquid from the moving stopper to the outside can be suppressed as much as possible.
【図1】一例を示す縦断面図。FIG. 1 is a longitudinal sectional view showing an example.
1 インキ 2 筒体 3 ペン先ホルダー 4 貫通孔 5 ペン先 6 尾栓 6a 中心孔 7 移動栓 DESCRIPTION OF SYMBOLS 1 Ink 2 Cylindrical body 3 Pen tip holder 4 Through hole 5 Pen tip 6 Tail plug 6a Center hole 7 Moving tap
───────────────────────────────────────────────────── フロントページの続き (72)発明者 加藤 靖雄 埼玉県草加市吉町4−1−8 ぺんてる株 式会社草加工場内 (72)発明者 尋木 正志 埼玉県草加市吉町4−1−8 ぺんてる株 式会社草加工場内 (72)発明者 川崎 正幸 埼玉県草加市吉町4−1−8 ぺんてる株 式会社草加工場内 (72)発明者 長濱 正光 埼玉県草加市吉町4−1−8 ぺんてる株 式会社草加工場内 Fターム(参考) 2C350 GA03 GA04 KC00 NA10 NC04 NC23 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Yasuo Kato 4-1-8 Yoshimachi, Soka-shi, Saitama Prefecture Pentel Co., Ltd. Grass Processing Plant (72) Inventor Masashi Hiroki 4-1 Yoshimachi, Soka-shi, Saitama Prefecture 8 Pentel Corporation Grass Processing Plant (72) Inventor Masayuki Kawasaki 4-1-8 Yoshimachi, Soka City, Saitama Prefecture Pentel Corporation Grass Processing Plant (72) Inventor Masamitsu Nagahama 4-1 Yoshimachi, Soka City, Saitama Prefecture 8 Pentel Co., Ltd. Grass processing plant F-term (reference) 2C350 GA03 GA04 KC00 NA10 NC04 NC23
Claims (4)
前記内容液体の界面に配置され、この内容液体が消費さ
れるに伴って消費された内容液体の体積分、内容液体の
界面の移動と共に移動する移動栓を備えた液体吐出具に
おいて、前記移動栓が前記液体を吸収、膨潤し見かけ体
積が増加するものとすると共に、この見かけ体積の増加
によって前記移動栓と前記液体貯蔵容器内壁との間の隙
間を埋め両者が接触状態となしたことを特徴とする液体
吐出具。A discharge means for discharging the liquid contained therein;
A liquid ejector provided with a moving stopper that is disposed at an interface of the content liquid and that moves with the volume of the content liquid consumed as the content liquid is consumed, and the movement of the interface of the content liquid; Absorbs the liquid and swells to increase the apparent volume, and the increase in the apparent volume fills the gap between the movable stopper and the inner wall of the liquid storage container, and both are brought into contact. Liquid ejector.
〜300%であることを特徴とする請求項1記載の液体
吐出具。2. The moving plug according to claim 1, wherein the apparent volume increase rate is 150.
2. The liquid ejection device according to claim 1, wherein the amount is from about 300% to about 300%.
特徴とする請求項1または2に記載の液体吐出具。3. The liquid ejection device according to claim 1, wherein the moving stopper is a hydrogel material.
橋反応させた水不溶性高分子の含水物質及び/又は疎水
性マクロモノマーと親水性モノマーとを共重合させた水
不溶性高分子の含水物質であることを特徴とする請求項
3に記載の液体吐出具の液体吐出具。4. The hydrogel material according to claim 1, wherein the hydrogel material is a water-insoluble polymer hydrate containing a water-soluble polymer cross-linked and / or a water-insoluble polymer hydrate containing a hydrophobic macromonomer and a hydrophilic monomer. The liquid discharging device of the liquid discharging device according to claim 3, wherein:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP37061799A JP4281188B2 (en) | 1999-12-27 | 1999-12-27 | Liquid ejection tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP37061799A JP4281188B2 (en) | 1999-12-27 | 1999-12-27 | Liquid ejection tool |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2001180179A true JP2001180179A (en) | 2001-07-03 |
JP4281188B2 JP4281188B2 (en) | 2009-06-17 |
Family
ID=18497318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP37061799A Expired - Fee Related JP4281188B2 (en) | 1999-12-27 | 1999-12-27 | Liquid ejection tool |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4281188B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008246933A (en) * | 2007-03-30 | 2008-10-16 | Pilot Corporation | Refill for writing instrument |
JP2009297085A (en) * | 2008-06-10 | 2009-12-24 | Tokiwa Corp | Liquid cosmetic container |
JP6022093B1 (en) * | 2016-01-19 | 2016-11-09 | ウイントレーディング株式会社 | Applicator |
-
1999
- 1999-12-27 JP JP37061799A patent/JP4281188B2/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008246933A (en) * | 2007-03-30 | 2008-10-16 | Pilot Corporation | Refill for writing instrument |
JP2009297085A (en) * | 2008-06-10 | 2009-12-24 | Tokiwa Corp | Liquid cosmetic container |
JP6022093B1 (en) * | 2016-01-19 | 2016-11-09 | ウイントレーディング株式会社 | Applicator |
Also Published As
Publication number | Publication date |
---|---|
JP4281188B2 (en) | 2009-06-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2235658A (en) | Writing implement with magnetic closure | |
JP2001180179A (en) | Liquid discharging implement | |
JP2862488B2 (en) | Applicator | |
JP3178211B2 (en) | Writing implement | |
JP3198778B2 (en) | Writing implement | |
JP2513984Y2 (en) | Applicator | |
JP2559458Y2 (en) | Applicator | |
JP4830616B2 (en) | Applicator and manufacturing method thereof | |
JP3753390B2 (en) | Ballpoint pen refill with a valve mechanism at the tip | |
JP2001096970A (en) | Liquid storage container for liquid discharger | |
JPH0811483A (en) | Writing instrument | |
JP2008265203A (en) | Writing utensil | |
JP2513396Y2 (en) | Applicator | |
JPH04332698A (en) | Slide plug of direct liquid type writing utensil | |
JP2865999B2 (en) | Applicator | |
JPH09156285A (en) | Writing utensil | |
JP2004148753A (en) | Discharge liquid housing container | |
JP2001010280A (en) | Writing instrument | |
JP4457251B2 (en) | Applicator and manufacturing method thereof | |
JP4482180B2 (en) | Applicator | |
JP2531605Y2 (en) | Knock type applicator | |
JP2005047095A (en) | Applicator | |
JP3988248B2 (en) | Writing instrument | |
JP3227960B2 (en) | Writing implement | |
JP2000309186A (en) | Writing utensil |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20051118 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20080214 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080318 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080501 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080819 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20081010 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20090224 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20090309 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120327 Year of fee payment: 3 |
|
LAPS | Cancellation because of no payment of annual fees |