JPH0735081U - Ink holding device for writing instruments - Google Patents

Ink holding device for writing instruments

Info

Publication number
JPH0735081U
JPH0735081U JP6407293U JP6407293U JPH0735081U JP H0735081 U JPH0735081 U JP H0735081U JP 6407293 U JP6407293 U JP 6407293U JP 6407293 U JP6407293 U JP 6407293U JP H0735081 U JPH0735081 U JP H0735081U
Authority
JP
Japan
Prior art keywords
ink
holding
pen core
writing instrument
held
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
Application number
JP6407293U
Other languages
Japanese (ja)
Other versions
JP2594990Y2 (en
Inventor
芳臣 神瀬
Original Assignee
三菱鉛筆株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 三菱鉛筆株式会社 filed Critical 三菱鉛筆株式会社
Priority to JP1993064072U priority Critical patent/JP2594990Y2/en
Publication of JPH0735081U publication Critical patent/JPH0735081U/en
Application granted granted Critical
Publication of JP2594990Y2 publication Critical patent/JP2594990Y2/en
Expired - Fee Related legal-status Critical Current

Links

Abstract

(57)【要約】 【目的】 ペン芯を確実に保持すると共に、インキの流
出を良好にしてなる筆記具のインキ保持装置を提供す
る。 【構成】 インキ室1を有する筆記具本体12と、該筆
記具本体12の先端に設けられる保持部13aを有する
先軸13と、該先軸13内に嵌入されるインキ保持体3
0と、前記インキ室11開口部に装備される弁機構部1
4と、該弁機構部14を介して外方に突出すると共に、
前記先軸13内の保持部13a及びインキ保持体30に
挿入保持されたペン芯20とを備え、前記インキ保持体
30でインキを保持する筆記具のインキ保持装置10に
おいて、前記インキ保持体30は、内部が楕円形状とな
る筒状体から構成され、該楕円形状内部の短径部で前記
ペン芯20を保持すると共に、長径部には保持されるペ
ン芯20との間に空気流通孔33を形成する。
(57) [Abstract] [Purpose] To provide an ink holding device for a writing instrument that reliably holds a pen core and makes ink flow out favorably. [Structure] A writing instrument main body 12 having an ink chamber 1, a tip shaft 13 having a holding portion 13a provided at the tip of the writing instrument body 12, and an ink holder 3 fitted into the tip shaft 13.
0, and a valve mechanism unit 1 installed at the opening of the ink chamber 11
4, and outwardly protruding through the valve mechanism portion 14,
In the ink holding device 10 of a writing instrument, which includes a holding portion 13a in the tip shaft 13 and a pen core 20 inserted and held in the ink holding body 30, the ink holding body 30 holds ink in the ink holding body 30. The pen core 20 is held by the short diameter part inside the elliptical shape and the air flow hole 33 is held between the pen core 20 and the pen core 20 held in the long diameter part. To form.

Description

【考案の詳細な説明】[Detailed description of the device]
【0001】[0001]
【産業上の利用分野】[Industrial applications]
本考案は、例えば、一般的にペイントマーカーと呼ばれるタイプの筆記具のイ ンキ保持装置に関する。 The present invention relates to an ink holding device for a writing instrument, which is generally called a paint marker, for example.
【0002】[0002]
【従来の技術】[Prior art]
従来、筆記具のインキ保持装置1は、例えば、図3に示されるように、インキ 室2を有する筆記具本体3と、該筆記具本体3の先端に設けられる保持部4aを 有する先軸4と、該先軸4内に嵌入されるスポンジ等からなるインキ保持体5と 、前記インキ室2開口部に装備される弁機構部6と、該弁機構部6を介して外方 に突出すると共に、前記先軸4内の保持部4a及びインキ保持体5に挿入保持さ れたペン芯7とを備え、前記インキ保持体5でインキ室2から流出するインキを 保持してなるものである。 Conventionally, an ink holding device 1 for a writing instrument includes, for example, as shown in FIG. 3, a writing instrument body 3 having an ink chamber 2, a tip shaft 4 having a holding portion 4a provided at the tip of the writing instrument body 3, and An ink holder 5 made of sponge or the like fitted in the front shaft 4, a valve mechanism portion 6 equipped in the opening of the ink chamber 2, and protruding outward through the valve mechanism portion 6, and It is provided with a holding portion 4a in the leading shaft 4 and a pen core 7 inserted and held in the ink holding body 5, and the ink holding body 5 holds the ink flowing out from the ink chamber 2.
【0003】 しかしながら、この種の筆記具のインキ保持装置1では、インキ保持体5はイ ンキの保持装置であると同時に、ペン芯7の保持装置であるために、インキ保持 体5の外形と先軸4の内径及びインキ保持体5の内径とペン芯7の外形には一定 の締め代を必要とし、該締め代が大きいとスポンジ等からなるインキ保持体5が 潰(圧縮)されて密になり空気の置換が悪くなりインキの流出が悪化したり、ま た、圧縮と膨張を繰り返して、時にはインキの泡立ちが発生するという問題点が ある。 また、締め代が小さいと、組立時にインキ保持体5が抜け出てしまったり、さ らに、使用の際の撹拌時にペン芯7が抜け出てしまうことが多く、作業効率が低 下する点及び良好な筆記状態が得られない点に問題点がある。However, in the ink holding device 1 of this type of writing instrument, since the ink holding body 5 is a holding device for the ink and the holding device for the pen core 7, the outer shape of the ink holding body 5 and the tip A constant tightening margin is required for the inner diameter of the shaft 4, the inner diameter of the ink holder 5, and the outer shape of the pen core 7. If the tightening margin is large, the ink holder 5 made of sponge or the like is crushed (compressed) and becomes dense. However, there is a problem that the replacement of the air becomes worse and the outflow of the ink becomes worse, or the ink foams at times due to repeated compression and expansion. In addition, if the tightening margin is small, the ink holder 5 will often come out during assembly, and the pen core 7 will often come out during agitation during use, resulting in lower work efficiency and good results. There is a problem in that a good writing state cannot be obtained.
【0004】[0004]
【考案が解決しようとする課題】[Problems to be solved by the device]
本考案の目的は、上記従来の問題点を解決するものであり、締め代を充分にと り、ペン芯を確実に保持すると共に、インキの流出を良好にして作業効率の向上 及び良好な筆記状態が得られる筆記具のインキ保持装置を提供することにある。 The purpose of the present invention is to solve the above-mentioned problems of the prior art, to ensure a sufficient tightening margin, to securely hold the pen core, and to make the ink flow out well to improve the working efficiency and good writing. An object of the present invention is to provide an ink holding device for a writing instrument that can obtain a state.
【0005】[0005]
【課題を解決するための手段】[Means for Solving the Problems]
本考案者は、上記の問題点を解決するために、インキ保持装置のインキ保持体 を特定構造とすることにより上記目的の筆記具のインキ保持装置を得ることに成 功し、本考案を完成するに至ったのである。 In order to solve the above problems, the present inventor succeeded in obtaining the ink holding device for the above-mentioned writing instrument by making the ink holding body of the ink holding device a specific structure, and completed the present invention. Was reached.
【0006】 すなわち、本考案の筆記具のインキ保持装置は、インキ室を有する筆記具本体 と、該筆記具本体の先端に設けられる保持部を有する先軸と、該先軸内に嵌入さ れるインキ保持体と、前記インキ室開口部に装備される弁機構部と、該弁機構部 を介して外方に突出すると共に、前記先軸内の保持部及びインキ保持体に挿入保 持されたペン芯とを備え、前記インキ保持体でインキを保持する筆記具のインキ 保持装置において、前記インキ保持体は、内部が楕円形状となる筒状体から構成 され、該楕円形状内部の短径部で前記ペン芯を保持すると共に、長径部には保持 されるペン芯との間に空気流通孔が形成されることを特徴とする。That is, an ink holding device for a writing instrument according to the present invention comprises a writing instrument main body having an ink chamber, a tip shaft having a holding portion provided at a tip of the writing instrument main body, and an ink holding body fitted in the tip shaft. A valve mechanism portion provided in the ink chamber opening, and a pen core that protrudes outward through the valve mechanism portion and is inserted and held in a holding portion in the leading shaft and an ink holding body. In the ink holding device of a writing instrument, which holds ink by the ink holding body, the ink holding body is composed of a tubular body having an elliptical shape inside, and the pen core is formed by a short diameter portion inside the elliptical shape. Is held, and an air circulation hole is formed in the long diameter portion between the pen and the held pen core.
【0007】[0007]
【作用】[Action]
本考案の筆記具のインキ保持装置では、先軸内に嵌入されるインキ保持体を内 部が楕円形状からなる筒状体から構成したので、該楕円形状内部の短径部及び先 軸内の保持部でペン芯を保持し、その長径部には保持されるペン芯との間に空気 流通孔が形成されることとなるので、空気の置換が良好となり、従って、インキ の流出が良好となる。 In the ink holding device of the writing instrument of the present invention, since the ink holding body to be fitted into the front shaft is composed of a tubular body having an elliptical inner part, the holding part inside the elliptical shape and inside the front shaft is held. Part holds the pen core, and an air circulation hole is formed in the long diameter part between the pen core and the held pen core, so that air replacement is good, and therefore ink outflow is good. .
【0008】[0008]
【実施例】【Example】
本考案の実施例を図1及び図2を参照して説明するが、本考案はこれらの実施 例に限定されるものでない。 Embodiments of the present invention will be described with reference to FIGS. 1 and 2, but the present invention is not limited to these embodiments.
【0009】 図1及び図2は、本考案の実施例の一例を示すものである。本実施例の筆記具 のインキ保持装置10は、図1に示すように、インキ室11を有する筆記具本体 12と、該筆記具本体12の先端に螺合によって設けられる保持部13aを有す る先軸13と、前記インキ室11開口部に装備される弁機構部14と、ペン芯2 0と、前記先軸13内に嵌入されるインキ保持体30とを備えている。1 and 2 show an example of an embodiment of the present invention. As shown in FIG. 1, an ink holding device 10 for a writing instrument of the present embodiment has a writing instrument main body 12 having an ink chamber 11, and a tip shaft having a holding portion 13a provided by screwing at the tip of the writing instrument main body 12. 13, a valve mechanism portion 14 provided in the opening of the ink chamber 11, a pen core 20, and an ink holder 30 fitted in the tip shaft 13.
【0010】 弁機構部14は、筆記具本体12と先軸13との間に挟持された筒状の弁座体 15と、該弁座体15の先端側に設けられた弁座部16と、先軸13の保持部1 3aに保持されて外方に突出するペン芯20の基端に連接する弁棒18と、該弁 棒18が弁座体15内に摺動可能に挿入され、弁棒18の周面に膨隆する基端側 が大径のテーパー状弁部18aと弁座体15の基部スプリング受け15aとの間 に介在されるスプリング19とにより構成され、該スプリング19の弾発力によ って常時弁部18aが弁座部16に当接している。The valve mechanism portion 14 includes a tubular valve seat body 15 sandwiched between the writing instrument main body 12 and the tip shaft 13, and a valve seat portion 16 provided on the tip side of the valve seat body 15. A valve rod 18 which is held by the holding portion 13a of the tip shaft 13 and is connected to the base end of the pen core 20 which projects outward, and the valve rod 18 is slidably inserted into the valve seat body 15, The base end side that bulges on the peripheral surface of the rod 18 is composed of a large-diameter tapered valve portion 18a and a spring 19 interposed between the base spring receiver 15a of the valve seat body 15, and the spring 19 springs. The valve portion 18a is always in contact with the valve seat portion 16 by the force.
【0011】 ペン芯20は、図1に示すように、上記構成となる弁機構部14を介して外方 に突出すると共に、前記先軸13内に設けられる保持部13a及び該先軸13内 に嵌入されるインキ保持体30に挿入保持される構造となる。As shown in FIG. 1, the pen core 20 protrudes outward through the valve mechanism portion 14 having the above-described configuration, and also has a holding portion 13 a provided in the leading shaft 13 and an inside of the leading shaft 13. The structure is such that it is inserted and held in the ink holder 30 that is fitted into.
【0012】 インキ保持体30は、図1(b)及び図2に示すように、内部が楕円形状とな る筒状体から構成されている。該インキ保持体30の楕円形状内部の短径部31 で前記ペン芯20を保持すると共に、長径部32には保持されるペン芯20との 間に空気流通孔33が形成される。 このインキ保持体30は、スポンジなどからなる弾性体等から構成されるもの であり、インキの保持装置であると同時に、ペン芯20の保持装置であるので、 ペン芯20の保持体とインキの吸蔵体としての作用を兼ね備えたものである。 また、該インキ保持体30の楕円形状内部の短径部31及び長径部32の長さ は、保持するペン芯20の大きさ及び保持するペン芯20との間に形成されるイ ンキの流出の影響因子となる空気流通孔33の大きさを考慮して設定されるもの である。As shown in FIGS. 1B and 2, the ink holder 30 is composed of a tubular body having an elliptical shape inside. The pen core 20 is held by the short diameter part 31 inside the elliptical shape of the ink holding body 30, and the long diameter part 32 is formed with an air circulation hole 33 between the pen core 20 and the held pen core 20. The ink holder 30 is made of an elastic material such as sponge, and is a holding device for the ink as well as a holding device for the pen core 20. It also has a function as an occlusion body. In addition, the lengths of the short diameter portion 31 and the long diameter portion 32 inside the elliptical shape of the ink holder 30 are such that the size of the pen core 20 to be held and the outflow of ink formed between the pen core 20 to be held. The size is set in consideration of the size of the air circulation hole 33, which is an influencing factor of.
【0013】 このように構成される本実施例の筆記具のインキ保持装置10は、図1(b) 及び図2に示すように、先軸13内に嵌入されるインキ保持体30を内部が楕円 形状からなる筒状体から構成したので、該楕円形状内部の短径部31及び先軸1 3の保持部13aでペン芯20を保持することができ、長径部32には保持され るペン芯20との間に空気流通孔33、33が形成されるので、空気の置換が良 好となり、従って、インキの流出が良好となる。 本実施例の筆記具は、筆圧の程度によって弁部18aがスプリング19の弾発 力に抗して筆圧方向に移動しその隙間に応じてインキ量がインキ室11から弁座 部16を通ってインキ保持体30を介してペン芯20に含浸されることにより、 筆記に供される。As shown in FIGS. 1B and 2, the ink holding device 10 of the writing instrument according to the present embodiment having the above-described configuration has the ink holding body 30 fitted in the front shaft 13 that is elliptical inside. Since the pen core 20 is formed of a cylindrical body having a shape, the pen core 20 can be held by the short diameter portion 31 and the holding portion 13a of the tip shaft 13 inside the elliptical shape, and the pen core held by the long diameter portion 32. Since the air circulation holes 33, 33 are formed between them, the air replacement is favorable, and thus the ink outflow is favorable. In the writing instrument of this embodiment, the valve portion 18a moves in the writing pressure direction against the elastic force of the spring 19 depending on the writing pressure, and the ink amount passes from the ink chamber 11 to the valve seat portion 16 in accordance with the gap. The pen core 20 is impregnated through the ink holder 30 to be used for writing.
【0014】 また、インキ保持体30の外径は、先軸13の内径より、若干大きく、1.0 0〜1.30倍、好ましくは、1.00〜1.15倍に設定されていること、ま た、インキ保持体30の内径(短径部の長さ)は、ペン芯20の外径より、若干 小さく、1.00〜0.80倍、好ましくは、1.00〜0.95倍に設定され ていること、更に、ペン芯20の長手方向の長さをm、インキ保持体30の長手 方向の長さをnとしたときに、nは、0.3m≦n≦0.7mの範囲にあり、か つ、初めからペン芯20を保持する長手方向の長さをkとしたときに、kは、0 .3n≦k≦nの範囲に設定されていることが好ましく、これらの範囲にあると きはペン芯20の保持とインキの流出が更に良好となる。The outer diameter of the ink holder 30 is slightly larger than the inner diameter of the tip shaft 13 and is set to 1.00 to 1.30 times, preferably 1.00 to 1.15 times. In addition, the inner diameter (the length of the minor axis portion) of the ink holder 30 is slightly smaller than the outer diameter of the pen core 20 and is 1.00 to 0.80 times, preferably 1.00 to 0. When the length of the pen core 20 in the longitudinal direction is m and the length of the ink holder 30 in the longitudinal direction is n, n is 0.3 m ≦ n ≦ 0. When the length in the longitudinal direction for holding the pen core 20 from the beginning is k, k is 0. It is preferable to set in the range of 3n ≦ k ≦ n, and when it is in this range, the holding of the pen core 20 and the outflow of the ink are further improved.
【0015】 本考案の筆記具のインキ保持装置は、上述のように構成され、使用されるもの であるが、上記実施例に限定されるものではなく、本考案の要旨を変更しない範 囲で種々の態様に設計変更等できるものである。 例えば、インキ保持体30は、図1(b)及び図2に示すように、内部が楕円 形状となる筒状体から構成されているものであれば、その外形は限定されるもの ではないが、円筒状であることが好ましい。また、上記構成となる筆記具のイン キ保持装置であれば、ペイントマーカーの他、サインペン、筆ペンなどの筆記具 であってもよい。The ink holding device of the writing instrument of the present invention is configured and used as described above, but is not limited to the above-mentioned embodiment, and various types are possible within a range not changing the gist of the present invention. The design can be changed to the above mode. For example, as shown in FIGS. 1 (b) and 2, the ink holder 30 is not limited in its outer shape as long as it is composed of a tubular body having an elliptical inside. It is preferably cylindrical. In addition to the paint marker, a writing instrument such as a felt-tip pen and a writing pen may be used as long as it is an ink-jet holding device for a writing instrument having the above-mentioned configuration.
【0016】 さらに、本考案が上記構成となる筆記具のインキ保持装置であれば、その他の 筆記具本体の構造、形状、若しくは、弁機構部の構造、形状、並びに、筆記具に 組み込まれる部品等は何等限定されるものではない。Further, if the present invention is an ink holding device for a writing instrument having the above-mentioned configuration, what is the structure and shape of the other writing instrument main body, or the structure and shape of the valve mechanism, and the parts and the like incorporated in the writing instrument. It is not limited.
【0017】[0017]
【考案の効果】[Effect of device]
本考案によれば、先軸内に嵌入されるインキ保持体を内部が楕円形状からなる 筒状体から構成したので、該楕円形状内部の短径部及び先軸の保持部でペン芯を 確実に保持することができるので、組立時にペン芯が抜け出てしまったり、若し くは、使用の際の撹拌時にペン芯が抜け出てしまうことが防止され、また、長径 部には保持されるペン芯との間に空気流通孔が形成されるので、インキの流出が 良好となり、従って、作業効率の向上及び良好な筆記状態が得られる筆記具のイ ンキ保持装置が提供される。 また、本考案の筆記具のインキ保持装置は、従来のインキ保持体を特定構造と するだけで大幅な性能向上を図ることができ、かつ、組み立て作業も従来と同様 にできる利点を有する。 According to the present invention, since the ink holder to be fitted into the tip shaft is composed of a cylindrical body having an elliptical shape inside, the pen core is securely held by the short diameter portion inside the ellipse and the holding portion of the tip shaft. The pen core can be prevented from falling out during assembly, or the pen core can be prevented from falling out during agitation during use. Since the air circulation hole is formed between the core and the lead, the ink holding device for the writing instrument is provided, which allows the ink to flow out favorably, thus improving the working efficiency and obtaining a good writing state. In addition, the ink holding device of the writing instrument of the present invention has the advantage that the performance can be greatly improved and the assembling work can be performed in the same manner as the conventional one only by making the conventional ink holding body have a specific structure.
【図面の簡単な説明】[Brief description of drawings]
【図1】本考案の実施の一例を示すものであり、(a)
はその部分断面図、(b)は(a)のa−a線断面図で
ある。
FIG. 1 shows an example of the implementation of the present invention, (a)
Is a partial sectional view thereof, and (b) is a sectional view taken along the line aa of (a).
【図2】本考案で用いるインキ保持体の一例を示す斜視
図である。
FIG. 2 is a perspective view showing an example of an ink holder used in the present invention.
【図3】従来の筆記具のインキ保持装置の一例を示す断
面図である。
FIG. 3 is a cross-sectional view showing an example of a conventional ink holding device for a writing instrument.
【符号の説明】[Explanation of symbols]
10 インキ保持装置 11 インキ室 12 筆記具本体 13 先軸 13a 保持部 14 弁機構部 20 ペン芯 30 インキ保持体 31 短径部 32 長径部 33 空気流通孔 DESCRIPTION OF SYMBOLS 10 Ink holding device 11 Ink chamber 12 Writing instrument body 13 Tip shaft 13a Holding part 14 Valve mechanism part 20 Pen core 30 Ink holding body 31 Short diameter part 32 Long diameter part 33 Air circulation hole

Claims (1)

    【実用新案登録請求の範囲】[Scope of utility model registration request]
  1. 【請求項1】 インキ室を有する筆記具本体と、該筆記
    具本体の先端に設けられる保持部を有する先軸と、該先
    軸内に嵌入されるインキ保持体と、前記インキ室開口部
    に装備される弁機構部と、該弁機構部を介して外方に突
    出すると共に、前記先軸内の保持部及びインキ保持体に
    挿入保持されたペン芯とを備え、前記インキ保持体でイ
    ンキを保持する筆記具のインキ保持装置において、前記
    インキ保持体は、内部が楕円形状となる筒状体から構成
    され、該楕円形状内部の短径部で前記ペン芯を保持する
    と共に、長径部には保持されるペン芯との間に空気流通
    孔が形成されることを特徴とする筆記具のインキ保持装
    置。
    1. A writing instrument main body having an ink chamber, a tip shaft having a holding portion provided at a tip of the writing instrument main body, an ink holder fitted in the tip shaft, and the ink chamber opening portion. And a pen core that protrudes outward through the valve mechanism portion and is inserted and held in the holding portion in the leading shaft and the ink holding body, and holds the ink in the ink holding body. In the ink holding device for a writing instrument, the ink holding body is composed of a tubular body having an elliptical shape inside, and the pen core is held by a short diameter portion inside the elliptical shape and is held by a long diameter portion. An ink holding device for a writing instrument, wherein an air circulation hole is formed between the pen core and the pen core.
JP1993064072U 1993-11-30 1993-11-30 Writing instrument ink holding device Expired - Fee Related JP2594990Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1993064072U JP2594990Y2 (en) 1993-11-30 1993-11-30 Writing instrument ink holding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1993064072U JP2594990Y2 (en) 1993-11-30 1993-11-30 Writing instrument ink holding device

Publications (2)

Publication Number Publication Date
JPH0735081U true JPH0735081U (en) 1995-06-27
JP2594990Y2 JP2594990Y2 (en) 1999-05-24

Family

ID=13247527

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1993064072U Expired - Fee Related JP2594990Y2 (en) 1993-11-30 1993-11-30 Writing instrument ink holding device

Country Status (1)

Country Link
JP (1) JP2594990Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0886140A (en) * 1994-09-20 1996-04-02 Murakoshi Mfg Corp Folding door device
KR200485605Y1 (en) * 2016-10-06 2018-01-30 김현수 Large Capacity Ball Pen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0886140A (en) * 1994-09-20 1996-04-02 Murakoshi Mfg Corp Folding door device
KR200485605Y1 (en) * 2016-10-06 2018-01-30 김현수 Large Capacity Ball Pen

Also Published As

Publication number Publication date
JP2594990Y2 (en) 1999-05-24

Similar Documents

Publication Publication Date Title
US4496258A (en) Writing pen with space behind nib
US4364684A (en) Writing instrument
US5897266A (en) Vent system for writing instrument
JPH0735081U (en) Ink holding device for writing instruments
JPH0735083U (en) Ink holding device for writing instruments
JPH0735082U (en) Ink holding device for writing instruments
GB1032863A (en) Improvements in or relating to reservoir marking instruments
US3729269A (en) Pen casing
JP2594989Y2 (en) Pen holding device for writing implement
JPH0885291A (en) Nib mounting structure for writing instrument
JP2588009Y2 (en) Capillary writing instrument
JP2003276388A (en) Ball-point pen contrived to feed ink by air pressure
JPH0659091U (en) Applicator
JP3916218B2 (en) Ballpoint pen
JPH0872469A (en) Writing implement with ink valve
JP3017031U (en) Refill for oily ballpoint pen
JPH0742793Y2 (en) Writing cap attachment structure
JP3679737B2 (en) Writing instrument cap
JP2513979Y2 (en) Rotating writing instrument
JP2510815Y2 (en) Writing instrument
US6168336B1 (en) Ballpoint pen for ink
JP2021045978A5 (en)
JPH088867Y2 (en) Refill for ballpoint pen
US1198950A (en) Self-feeding pen.
JP2006240219A (en) Ball-point pen refill

Legal Events

Date Code Title Description
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 19990126

LAPS Cancellation because of no payment of annual fees