JP2004231266A - Sealing cap - Google Patents

Sealing cap Download PDF

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Publication number
JP2004231266A
JP2004231266A JP2003024553A JP2003024553A JP2004231266A JP 2004231266 A JP2004231266 A JP 2004231266A JP 2003024553 A JP2003024553 A JP 2003024553A JP 2003024553 A JP2003024553 A JP 2003024553A JP 2004231266 A JP2004231266 A JP 2004231266A
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JP
Japan
Prior art keywords
cap
cylinder
container
cap body
tube
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.)
Pending
Application number
JP2003024553A
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Japanese (ja)
Inventor
Haruo Tsuchida
治夫 土田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yoshino Kogyosho Co Ltd
Original Assignee
Yoshino Kogyosho Co Ltd
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 Yoshino Kogyosho Co Ltd filed Critical Yoshino Kogyosho Co Ltd
Priority to JP2003024553A priority Critical patent/JP2004231266A/en
Publication of JP2004231266A publication Critical patent/JP2004231266A/en
Pending legal-status Critical Current

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Abstract

<P>PROBLEM TO BE SOLVED: To provide a sealing cap, which can be fitted on a container easily, makes it possible to confirm the nonuse of the container before unsealing it, thus available in preventing a fraudulent conduct, can be easily removed from the container after being used up to facilitate the separate disposal of the cap, has a simple structure, and can be manufactured at low costs. <P>SOLUTION: According to the sealing cap, a locking cylinder 3 is formed to extend downward from the lower end face of a cap body 2 via a breakable connecting means. An engaging projecting stripe 10 on the inner surface of the locking cylinder 3 is engaged with the lower surface of a locking stepped part 11 on the outer circumference of a container mouth 6 so that the cap body cannot be screwed off the container unless the connecting means is broken. The locking cylinder 3 is provided with a cutout 15, which widens to facilitate the removal of the cylinder 3, and with a protective cylinder 4, which covers the separation preventive cylinder to prevent the cutout 15 from widening. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

【0001】
【発明の属する技術分野】
本発明は封緘式キャップに関する。
【0002】
【従来の技術】
容器の口部に被着させて、容器中身の使用前には未開封であることが容易に判る所謂バージンシール機能を備えた封緘式キャップが知られている(例えば、特許文献1参照)。
【0003】
上記キャップは、外周に複数のローレットを形成したキャップ本体の下方に、複数の封印用接続リブを介してバンド部を延設したものであり、バンド部の内周壁には下方に斜設された周設リブを設け、この周設リブから先端にガイド片が突設されたラチェットを周方向複数突設している。そして、口頸部外周に係止突条を周設した容器に対し、螺着時には各ラチェットが係止突条を乗り越えてその下面に当接係止され、各封印用接続リブを破断しないかぎりキャップ本体が螺脱出来ないように構成している。
【0004】
また、近年廃棄物の有効利用等の目的で廃棄物の分別処理が推進されており、容器を形成するガラス等と合成樹脂製のキャップとを分離して廃棄することが行われている。上記した封緘式キャップの場合には、バンド部にスリット及び溝を形成し破断可能に構成して、使用後にこのバンド部を容器から分離可能に構成している。
【0005】
【特許文献1】
特開平10−324353号公報(第2−5頁,図1)
【0006】
【発明が解決しようとする課題】
上記キャップは、容器に対して容易に装着することができ、また、不正に開封された場合には外観から不正好意が確認されるので容器内容物の品質保証が確保され、また、分別処理も容易にできる等の効果を得られるものではあるが、構造が複雑であり、各ラチェット片は上方へ傾斜上昇する如く形成しているため、成形時の型抜きの際に破損する虞があり、その結果歩留りが悪くなる傾向がある。
【0007】
本発明は上記した点に鑑みてなされたもので、容器に対して簡単に装着できるとともに、使用後の容器からの分離も容易であり、しかも、構造が簡単で容易に製造できる封緘式キャップを提案するものである。
【0008】
【課題を解決するための手段】
本請求項1発明の封緘式キャップは、上記課題を解決するため、キャップ本体2の下端面から破断可能な連結手段を介して抜止め筒3を垂下し、容器体5の口頸部6に対するキャップ本体螺着時に、抜止め筒3内面に突周設した係合突条10を口頸部6外面の係止段部11下面に係合可能に形成した封緘式キャップに於いて、上記抜止め筒3の下端部より上記係合突条10を縦断する切欠部15を設けるとともに、上記キャップ本体2外周に嵌合固定した保護筒4により上記抜止め筒3外周を被覆する如く構成したことを特徴とする封緘式キャップとして構成した。
【0009】
また、請求項2発明の封緘式キャップは、上記キャップ本体2と抜止め筒3との間に、螺着回動方向で係合し、螺脱回動方向で非係合のラチェット機構を設けてなる請求項1記載の封緘式キャップとして構成した。
【0010】
また、請求項3発明の封緘式キャップは、上記保護筒4が、上記抜止め筒3下端縁に上端縁を破断可能な連結手段を介して連結した状態で合成樹脂の一体成形により形成してなる請求項1記載の封緘式キャップとして構成した。
【0011】
【発明の実施の形態】
以下、本発明の実施例の形態を図面を参照して説明する。
【0012】
図面に示す如く本発明の封緘式キャップ1は合成樹脂により一体に形成されたもので、キャップ本体2と、抜止め筒3と、保護筒4を備えている。
【0013】
キャップ本体2は、装着する容器体5の口頸部6外周に螺着可能に構成した下端開口の有頂筒状をなすもので、具体的一例として、図示例の如く、内周面に螺条7を周設した周壁8の上端より頂壁9を延設して構成している。
【0014】
抜止め筒3は、キャップ本体2下端面から破断可能な連結手段を介して一体に垂下したもので、上記口頸部6に対するキャップ本体螺着時に、抜止め筒3内面に突周設した係合突条10を口頸部6外面の係止段部11下面に係合可能に形成している。図示例に於いて、上記連結手段として、キャップ本体2下端面と、抜止め筒3上端面との間を連結する細棒状の連結片12を周方向間隔をあけて複数設けることにより構成している。
【0015】
更に、キャップ本体2と抜止め筒3との間には、螺着回動方向で係合し、螺脱回動方向で非係合のラチェット機構を設けている。図示例では、抜止め筒3上面に螺着回動方向の側端面が傾斜面をなし、螺脱回動方向の側端面が垂直状面をなす台形状の突起13突設し、該突起13と相似形状をなす凹部14をキャップ本体下面対応位置に設けている。従って、キャップ本体2を口頸部6に螺着する際には、突起13の垂直状面と凹部の垂直状面とが係合して抜止め筒3を螺着回動方向へ回動させ、連結手段の不都合な破断を阻止する如く構成している。
【0016】
また、抜止め筒3には容器使用後口頸部より容易に取り除くことができる様に切欠部15を設けている。この切欠部15は抜止め筒3の下端部より上記係合突条10を縦断する所定位置まで設けたもので、その上方部分の抜止め筒は連結している。この切欠部15を設けることにより、廃棄の際にその部分が広がって係合突条10が係止段部11を容易に乗り越え簡単に抜止め筒3を取り外すことができる如く構成している。
【0017】
保護筒4は、開封前に上記切欠部15が広がって不都合な抜止め筒3の抜け出しが無いように設けたものであり、また、廃棄の際には抜止め筒3外周より外して抜止め筒3の容易な取り外しを行える如く設けたものであり、キャップ本体2外面に嵌合固定して抜止め筒3外周を被覆している。図示例では、上端縁より内方へ嵌合突条16を突周設した円筒状の保護筒4を用意し、キャップ本体2外周所定位置に周設した嵌合凹部17に上記嵌合突条16を嵌合させて装着している。
【0018】
また、上記保護筒4は、キャップ本体2及び抜止め筒3と別体に形成しても、或いは一体に形成してもよい。後者の場合として例えば、図2及び図3に示す如く、抜止め筒3下端縁に上端縁を破断可能な連結手段を介して連結した状態で合成樹脂の一体成形により形成している。そして、破断可能な連結手段を破断して保護筒4を分離し、分離した保護筒4をキャップ本体周壁8の外周に嵌合させて装着している。図示例に於ける破断可能な連結手段として、薄肉部18を採用している。
【0019】
上記の如く構成した封緘式キャップ1を使用する場合に付いて説明する。まず、口頸部6の上部外周に螺条19を周設し、その下方所定位置に下面が係止段部11となる突条を突設した容器体5を用意し、上記口頸部6を下端開口より挿通してキャップ本体2を口頸部6に螺着させる。この際、抜止め筒3の係合突条10は容器体口頸部6の螺条19突出位置より外方にあるため螺条19部分を容易に通過する。次いでなおも螺動下降させると係合突条10が上記係止段部11を形成する突条を乗り越えてその下面である係止段部11に係合し螺着が終了する。この状態で運搬、保管、陳列等を行い、破断可能な連結手段を破断しないかぎりキャップ本体2を螺脱はできず、一見して未使用を認識できる。尚、螺着の際には上記ラチェット機構の作用で破断可能な連結手段に負担ががかからずに螺着することができる。
【0020】
内容物を使用するために開封する場合には、単にキャップ本体2を螺脱方向へ回動するだけで良い。そうすることにより、抜止め筒3は係止段部11によりそれ以上の上昇を阻止される一方、キャップ本体2のみが螺動上昇するため各連結片12が切断して口頸部6上端を開口する。また、内容物を使い終わって全体を廃棄する場合には、キャップ本体2を外して抜止め筒3を押し上げれば、容易に口頸部6より外れる。尚、この抜止め筒3は開封後すぐに除去廃棄することも当然可能である。
【0021】
【発明の効果】
以上説明した如く、本発明の封緘式キャップは、既述構成としたことにより、容器に対して簡単に装着できるとともに、開封後の容器からの取り外しも簡単で、しかも、極めて簡単な構造であり、製造が容易である等の利点を有する。当然、外観から不正行為が確認される等の従来品の持つ特徴も兼ね備えるものである。
【0022】
また、請求項2発明の封緘式キャップは、容器に対する螺着時に破断可能な連結手段に損傷を及ぼすことなく確実に装着することができる利点を備えている。
【0023】
また、請求項3発明の封緘式キャップは、合成樹脂の一体成形品であるため、より製造が用意となり、また、容器体へ装着するまでの間にキャップ本体及び抜止め筒と保護筒を一緒に管理することができる利点を備えている。
【図面の簡単な説明】
【図1】本発明の一実施例を示す半断面図である。
【図2】同実施例の保護筒を一体成形で形成した際の正面図である。
【図3】同実施例の保護筒を一体成形で形成した際の半断面図である。
【図4】同実施例の抜止め筒を除去する際の説明図である。
【符号の説明】
2…キャップ本体,3…抜止め筒,4…保護筒,5…容器体,6…口頸部,10…係合突条,11…係止段部,15…切欠部,
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a closure cap.
[0002]
[Prior art]
2. Description of the Related Art There is known a sealable cap having a so-called virgin seal function which is attached to a mouth of a container so that it is easy to determine that the container is not opened before using the contents of the container (for example, see Patent Document 1).
[0003]
In the cap, a band portion is extended below a cap body having a plurality of knurls formed on an outer periphery thereof via a plurality of sealing connection ribs, and is inclined downward on an inner peripheral wall of the band portion. A plurality of peripheral ribs are provided, and a plurality of ratchets, each of which has a guide piece protruding from the peripheral rib, are provided in the circumferential direction. Then, when the screw is screwed into the container having the locking ridge formed around the outer periphery of the mouth and neck, each ratchet rides over the locking ridge and abuts and locks on the lower surface thereof, as long as each sealing connection rib is not broken. The cap body is configured not to be screwed off.
[0004]
In recent years, waste separation processing has been promoted for the purpose of effective use of waste, and glass and the like forming a container and a cap made of a synthetic resin are separated and disposed. In the case of the above-mentioned sealing cap, a slit and a groove are formed in the band portion so that the band portion can be broken, and the band portion can be separated from the container after use.
[0005]
[Patent Document 1]
JP-A-10-324353 (page 2-5, FIG. 1)
[0006]
[Problems to be solved by the invention]
The cap can be easily attached to the container, and if it is opened improperly, the appearance is confirmed to be fraudulent, so the quality assurance of the contents of the container is ensured, and the separation process is also performed. Although effects such as easiness can be obtained, the structure is complicated, and since each ratchet piece is formed so as to be inclined upward, there is a possibility that the ratchet piece may be damaged at the time of die removal during molding, As a result, the yield tends to deteriorate.
[0007]
The present invention has been made in view of the above points, and has a sealing cap that can be easily attached to a container, is easily separated from a container after use, and has a simple structure and can be easily manufactured. It is a suggestion.
[0008]
[Means for Solving the Problems]
In order to solve the above problem, the sealing cap according to the first aspect of the present invention hangs the stopper tube 3 from the lower end surface of the cap body 2 via a breakable connection means, and attaches the stopper tube 3 to the mouth and neck 6 of the container body 5. When the cap body is screwed into the cap, the engagement protrusion 10 protruding from the inner surface of the stopper tube 3 is engaged with the lower surface of the locking step 11 on the outer surface of the mouth and neck portion 6. A notch 15 is formed from the lower end of the stopper tube 3 to vertically traverse the engaging ridge 10, and the outer periphery of the stopper tube 3 is covered by a protective tube 4 fitted and fixed to the outer periphery of the cap body 2. This was configured as a sealable cap.
[0009]
Further, the sealable cap according to the second aspect of the present invention is provided with a ratchet mechanism that is engaged between the cap body 2 and the stopper cylinder 3 in the screwing rotation direction and not engaged in the screw removal rotation direction. The sealing cap according to claim 1 is constituted.
[0010]
Further, in the sealing cap according to the third aspect of the present invention, the protective cylinder 4 is formed by integrally molding synthetic resin in a state where the protective cylinder 4 is connected to the lower end edge of the retaining cylinder 3 via a connecting means capable of breaking the upper end edge. The cap is configured as a sealable cap according to claim 1.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0012]
As shown in the drawings, the sealable cap 1 of the present invention is integrally formed of a synthetic resin, and includes a cap main body 2, a stopper tube 3, and a protection tube 4.
[0013]
The cap main body 2 is formed in a cylindrical shape with a lower end opening and configured to be screwable to the outer periphery of the mouth and neck portion 6 of the container body 5 to be mounted. As a specific example, as shown in the illustrated example, a screw is formed on the inner peripheral surface. The top wall 9 extends from the upper end of the peripheral wall 8 around which the ridge 7 is provided.
[0014]
The stopper tube 3 is integrally hung from the lower end surface of the cap body 2 via a breakable connecting means, and is provided on the inner surface of the stopper tube 3 when the cap body is screwed to the mouth and neck portion 6. The ridge 10 is formed to be engageable with the lower surface of the locking step 11 on the outer surface of the mouth and neck 6. In the illustrated example, the connecting means is constituted by providing a plurality of thin rod-shaped connecting pieces 12 for connecting between the lower end face of the cap main body 2 and the upper end face of the retaining cylinder 3 at circumferential intervals. I have.
[0015]
Further, a ratchet mechanism is provided between the cap body 2 and the retaining cylinder 3 so as to be engaged in the screwing rotation direction and not engaged in the screwing rotation direction. In the illustrated example, a trapezoidal projection 13 is provided on the top surface of the retaining cylinder 3 in which the side end surface in the screwing and turning direction forms an inclined surface, and the side end surface in the screwing and turning direction forms a vertical surface. A concave portion 14 having a shape similar to that of FIG. Therefore, when the cap body 2 is screwed onto the mouth-neck portion 6, the vertical surface of the projection 13 and the vertical surface of the concave portion engage to rotate the stopper tube 3 in the screwing rotation direction. , So that undesired breakage of the connecting means is prevented.
[0016]
The stopper tube 3 is provided with a notch 15 so that it can be easily removed from the mouth and neck after use of the container. The notch 15 is provided from the lower end of the retaining cylinder 3 to a predetermined position where the engaging ridge 10 is longitudinally cut, and the retaining cylinder in the upper portion thereof is connected. By providing the notch 15, the portion is widened at the time of disposal, so that the engaging projection 10 can easily pass over the locking step 11, and the stopper tube 3 can be easily removed.
[0017]
The protective cylinder 4 is provided so that the notch 15 is widened before opening, so that there is no inconvenience of the retaining cylinder 3 coming out of the cylinder. The cylinder 3 is provided so that it can be easily removed, and is fitted and fixed to the outer surface of the cap body 2 to cover the outer periphery of the retaining cylinder 3. In the illustrated example, a cylindrical protection tube 4 having a fitting ridge 16 projecting inward from the upper end edge is prepared, and the fitting ridge 17 is fitted in a fitting recess 17 provided at a predetermined position on the outer periphery of the cap body 2. 16 are fitted and mounted.
[0018]
Further, the protection cylinder 4 may be formed separately from the cap body 2 and the retaining cylinder 3, or may be formed integrally. In the latter case, for example, as shown in FIGS. 2 and 3, the stopper tube 3 is formed by integral molding of a synthetic resin in a state where the upper end edge is connected to the lower end edge via a breakable connection means. Then, the protective tube 4 is separated by breaking the breakable connecting means, and the separated protective tube 4 is fitted to the outer periphery of the cap main body peripheral wall 8 and mounted. In the illustrated example, a thin portion 18 is employed as a breakable connection means.
[0019]
The case where the sealable cap 1 configured as described above is used will be described. First, a container body 5 having a thread 19 provided around the upper outer periphery of the mouth-neck portion 6 and a projecting ridge whose lower surface becomes the locking step portion 11 is prepared at a predetermined position below the thread 19, and the mouth-neck portion 6 is provided. Is inserted through the lower end opening, and the cap body 2 is screwed to the mouth / neck portion 6. At this time, since the engaging ridge 10 of the retaining tube 3 is located outside the projecting position of the screw 19 of the neck 6 of the container body, it easily passes through the screw 19 portion. Next, when the screw is further lowered by screwing, the engaging ridge 10 gets over the ridge forming the locking step 11, engages with the locking step 11 on the lower surface, and the screwing is completed. In this state, the cap body 2 cannot be unscrewed unless the rupturable connecting means is broken, and the cap body 2 can be recognized at first glance as unused unless the connecting means that can be broken is broken. At the time of screwing, the connecting means that can be broken by the action of the ratchet mechanism can be screwed without applying a load.
[0020]
When opening the contents for use, it is sufficient to simply rotate the cap body 2 in the unscrewing direction. By doing so, the retaining cylinder 3 is prevented from further rising by the locking step 11, while only the cap body 2 is screwed up, so that each connecting piece 12 is cut and the upper end of the mouth-neck portion 6 is cut. Open. In addition, when the entire contents are used and the entire body is to be discarded, the cap body 2 is removed and the retaining cylinder 3 is pushed up, so that the cap body 2 is easily removed from the mouth and neck 6. It is naturally possible to remove and discard the stopper tube 3 immediately after opening.
[0021]
【The invention's effect】
As described above, the sealable cap of the present invention has the above-described configuration, so that it can be easily attached to the container, can be easily removed from the container after opening, and has a very simple structure. It has advantages such as easy manufacturing. Naturally, it also has the features of the conventional product, such as the fact that fraud is confirmed from the appearance.
[0022]
Further, the sealing cap according to the second aspect of the present invention has an advantage that it can be securely attached without damaging the connecting means that can be broken when screwed into the container.
[0023]
Further, since the sealing cap according to the third aspect of the present invention is an integrally molded product of a synthetic resin, it is easier to manufacture, and the cap body, the retaining cylinder, and the protective cylinder are assembled together before being mounted on the container body. It has the advantage that it can be managed.
[Brief description of the drawings]
FIG. 1 is a half sectional view showing an embodiment of the present invention.
FIG. 2 is a front view when the protection cylinder of the embodiment is formed by integral molding.
FIG. 3 is a half sectional view when the protection cylinder of the embodiment is formed by integral molding.
FIG. 4 is an explanatory diagram when the retaining cylinder of the embodiment is removed.
[Explanation of symbols]
2 cap body, 3 retaining tube, 4 protective cylinder, 5 container body, 6 neck and neck, 10 engaging ridge, 11 locking step, 15 notch,

Claims (3)

キャップ本体2の下端面から破断可能な連結手段を介して抜止め筒3を垂下し、容器体5の口頸部6に対するキャップ本体螺着時に、抜止め筒3内面に突周設した係合突条10を口頸部6外面の係止段部11下面に係合可能に形成した封緘式キャップに於いて、上記抜止め筒3の下端部より上記係合突条10を縦断する切欠部15を設けるとともに、上記キャップ本体2外周に嵌合固定した保護筒4により上記抜止め筒3外周を被覆する如く構成したことを特徴とする封緘式キャップ。The stopper tube 3 is hung down from the lower end surface of the cap body 2 via a rupturable connecting means, and when the cap body is screwed to the mouth and neck 6 of the container body 5, the engagement protrudingly provided on the inner surface of the stopper tube 3. A notch for vertically cutting the engaging ridge 10 from the lower end of the retaining tube 3 in a cap which is formed so that the ridge 10 can be engaged with the lower surface of the locking step 11 on the outer surface of the mouth and neck 6. 15. A sealing cap comprising a protective tube 4 fitted to and fixed to the outer periphery of the cap body 2 so as to cover the outer periphery of the retaining tube 3. 上記キャップ本体2と抜止め筒3との間に、螺着回動方向で係合し、螺脱回動方向で非係合のラチェット機構を設けてなる請求項1記載の封緘式キャップ。2. The sealable cap according to claim 1, further comprising a ratchet mechanism which is engaged between the cap body 2 and the stopper cylinder 3 in the screwing rotation direction and is not engaged in the screwing rotation direction. 上記保護筒4が、上記抜止め筒3下端縁に上端縁を破断可能な連結手段を介して連結した状態で合成樹脂の一体成形により形成してなる請求項1記載の封緘式キャップ。2. The sealing cap according to claim 1, wherein said protective cylinder is formed by integral molding of a synthetic resin in a state where said protective cylinder is connected to a lower end edge of said retaining cylinder via an upper end edge by means of breakable connecting means.
JP2003024553A 2003-01-31 2003-01-31 Sealing cap Pending JP2004231266A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003024553A JP2004231266A (en) 2003-01-31 2003-01-31 Sealing cap

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Application Number Priority Date Filing Date Title
JP2003024553A JP2004231266A (en) 2003-01-31 2003-01-31 Sealing cap

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JP2004231266A true JP2004231266A (en) 2004-08-19

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006182357A (en) * 2004-12-27 2006-07-13 Wako Pure Chem Ind Ltd Virgin cap
WO2007039108A2 (en) * 2005-09-30 2007-04-12 Videojet Technologies Inc Cap assembly for an ink bottle

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006182357A (en) * 2004-12-27 2006-07-13 Wako Pure Chem Ind Ltd Virgin cap
JP4647994B2 (en) * 2004-12-27 2011-03-09 和光純薬工業株式会社 Virgin cap
WO2007039108A2 (en) * 2005-09-30 2007-04-12 Videojet Technologies Inc Cap assembly for an ink bottle
WO2007039108A3 (en) * 2005-09-30 2007-12-21 Videojet Technologies Ltd Cap assembly for an ink bottle
JP2009509797A (en) * 2005-09-30 2009-03-12 ヴィデオジェット テクノロジーズ インコーポレイテッド Ink bottle cap assembly

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