JP2509241Y2 - Creamy object discharge container - Google Patents
Creamy object discharge containerInfo
- Publication number
- JP2509241Y2 JP2509241Y2 JP8035090U JP8035090U JP2509241Y2 JP 2509241 Y2 JP2509241 Y2 JP 2509241Y2 JP 8035090 U JP8035090 U JP 8035090U JP 8035090 U JP8035090 U JP 8035090U JP 2509241 Y2 JP2509241 Y2 JP 2509241Y2
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- fitted
- cylindrical piston
- piston
- head
- 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.)
- Expired - Lifetime
Links
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- Closures For Containers (AREA)
Description
【考案の詳細な説明】 「産業上の利用分野」 本案は、クリーム状物注出容器に係る。DETAILED DESCRIPTION OF THE INVENTION "Industrial field of application" The present invention relates to a creamy substance dispensing container.
「従来の技術」 例えば実開昭63-164454号公報が示すように、直筒状
の筒体下部内へ摺動底板を上昇可能に嵌合させた容器本
体と、その筒体上端部に嵌着させたノズル付きのポンプ
装置とで形成し、該ポンプ装置が有する弾性ドーム状部
の頂部を押下げすると、そのドーム状部側方に設けた吐
出弁が開いてそのドーム状部内のクリーム状物がノズル
から吐出され、かつ上記押下げを離すとその復元により
吐出弁が閉じドーム状部の底部に設けた吸込み弁が開い
て容器本体内クリーム状物がドーム状部内へ吸込まれ、
又容器本体内のクリーム状物減少により摺動底板が上昇
してその容器本体内の負圧化を防止できるよう設けたも
のがある。"Prior Art" For example, as disclosed in Japanese Utility Model Laid-Open No. 63-164454, a container main body in which a sliding bottom plate is fitted in a lower part of a straight cylindrical body so as to be able to rise, and the upper end of the cylindrical body is fitted. When the top of the elastic dome-shaped portion of the pump device is pushed down, the discharge valve provided on the side of the dome-shaped portion opens and the cream-like material in the dome-shaped portion is opened. Is discharged from the nozzle, and when the above-mentioned pressing is released, the restoration causes the discharge valve to close and the suction valve provided at the bottom of the dome-shaped portion to open, so that the cream in the container body is sucked into the dome-shaped portion,
Further, there is one provided so as to prevent the sliding bottom plate from rising due to the decrease of the creamy substance in the container body and to prevent the negative pressure in the container body.
「考案が解決しようとする課題」 上記従来の容器は、弾性ドーム状部の圧縮とその弾性
復元とでポンプを作動させるため、そのドーム状部の材
質が限定され、又そのドーム状部頂部の押下げによりポ
ンプ室が加圧され、その弾性復元で負圧化するから、ポ
ンプ室が小形化するものであった。更にこの種クリーム
状物吐出容器にあっては特に吐出弁が重要であるが、従
来は吐出弁孔を一部固定の弾性弁板により閉塞し、ポン
プ室内高圧化によりその固定部分を中心として弾性弁板
が弾性弯曲することで開弁し、その高圧状態解消による
弾性復元で閉弁するように設けていたため、クリーム状
物が流動性に乏しいこともあって、その弾性弁板の弾性
疲労により閉弁が不完全となり易い欠点があった。[Problems to be Solved by the Invention] In the above-mentioned conventional container, the material of the dome-shaped portion is limited because the pump is operated by the compression of the elastic dome-shaped portion and its elastic restoration, and the top of the dome-shaped portion is limited. The pressure of the pump chamber is increased by pushing it down, and the elasticity of the pump chamber restores a negative pressure. Further, in this type of creamy product discharge container, the discharge valve is especially important, but in the past, the discharge valve hole was partially blocked by an elastic valve plate, and elastically centered on the fixed part due to high pressure in the pump chamber. Since the valve plate was opened by elastic bending and closed by elastic restoration by eliminating the high pressure state, the creamy material may be poor in fluidity, and due to elastic fatigue of the elastic valve plate. There was a drawback that the valve closing was likely to be incomplete.
本案はそのような欠点を除去して、ポンプ室をシリン
ダとピストンとで形成すると共にその吐出弁が機械的に
開閉されるようにし、更にポンプ装置の組立てが容易で
あるよう設けたものである。The present invention eliminates such drawbacks, forms a pump chamber with a cylinder and a piston, and mechanically opens and closes the discharge valve of the pump chamber, and is provided to facilitate the assembly of the pump device. .
「課題を解決するための手段」 直筒状筒体２の下部内へ摺動底板３を上昇可能に嵌合
させた容器本体１と、該本体の上端部内面を密閉する上
板12中央部に吸込み口13を設けると共に、該吸込み口を
囲む上板部分からシリンダ14を起立する閉塞部材11と、
上記シリンダ外面に嵌着させた主筒部21の上端折返し筒
部22をシリンダ14の上端部内面に嵌着させると共に、そ
の主筒部の下部外面からフランジを介して係合筒23を起
立し、該係合筒の上端部外面に第１係合突条24を周設し
た連結筒部材20と、上記シリンダ14内へ嵌合させた筒状
ピストン25と、該筒状ピストン内面へ挿通させた有底筒
部下端に筒状ピストン内径よりも大外径の外向きフラン
ジ27を付設すると共に、その筒部下部に筒状ピストンに
より開閉される吐出弁孔28を穿設したピストン装着筒26
と、該装着筒上部を、頂壁32裏面から垂下して上記折返
し筒22内へ上下動可能に嵌合された、上記筒状ピストン
内径よりも大外径の内筒31内面へ、該内筒下端と外向き
フランジ27との間に筒状ピストンの摺動間隙を残して嵌
着させると共に、頂壁32外周から垂下する外筒33下端の
第２係合突条34を上記第１係合突条24下面へ係合させ、
かつ内筒上端に連通させて外筒33の外方へノズル35を突
出するヘッド30と、上記連結筒部材の外向きフランジと
ヘッド頂壁の裏面との間に介装させてヘッド押上げ用の
コイルスプリング36とからなる。"Means for Solving the Problem" A container body 1 in which a sliding bottom plate 3 is fitted in a lower portion of a straight tubular body 2 so as to be able to rise, and a central portion of an upper plate 12 for sealing an inner surface of an upper end portion of the body A suction member 13 is provided, and a closing member 11 that erects a cylinder 14 from an upper plate portion that surrounds the suction port,
The upper end folded-back tubular portion 22 of the main tubular portion 21 fitted to the outer surface of the cylinder is fitted to the inner surface of the upper end portion of the cylinder 14, and the engaging tubular portion 23 is erected from the lower outer surface of the main tubular portion via a flange. A connecting cylinder member 20 in which a first engaging protrusion 24 is provided on the outer surface of the upper end portion of the engaging cylinder, a cylindrical piston 25 fitted in the cylinder 14, and inserted into the inner surface of the cylindrical piston. A bottom end of the bottomed cylindrical portion is provided with an outward flange 27 having an outer diameter larger than the inner diameter of the cylindrical piston, and a discharge valve hole 28 opened and closed by the cylindrical piston is formed in the lower portion of the cylindrical piston mounting cylinder 26.
And the upper part of the mounting cylinder, which is hung from the back surface of the top wall 32 and fitted in the folding cylinder 22 so as to be vertically movable, to the inner surface of the inner cylinder 31 having an outer diameter larger than the inner diameter of the cylindrical piston, The cylindrical piston is fitted between the lower end of the cylinder and the outward flange 27 with a sliding gap left therebetween, and the second engaging projection 34 at the lower end of the outer cylinder 33 hanging down from the outer periphery of the top wall 32 is attached to the first engaging member. Engage with the bottom surface of the mating ridge 24,
And a head 30 that communicates with the upper end of the inner cylinder and projects the nozzle 35 to the outside of the outer cylinder 33, and is interposed between the outward flange of the connecting cylinder member and the back surface of the head top wall for pushing up the head. And a coil spring 36 of.
「作用」 第１図状態からキャップ40を外してヘッド30を押下げ
すると、まずピストン装着筒26が下降して吐出弁孔28が
開いた後、続いて内筒31下端が筒状ピストン25を第２図
のように押下げて、よってシリンダ14内クリーム状物は
吐出弁孔28、およびノズル35内を通って外方へ吐出され
る。該状態からヘッド30を離すと、スプリング36の押上
げによりヘッド30と該ヘッドの内筒に嵌着された上記ピ
ストン装着筒26が上昇を始め、続いてそのピストン装着
筒下端の外向き負27が筒状ピストン下端面に接して吐出
弁孔28が閉じ、該吐出弁孔を閉塞したまま筒状ピストン
25も上昇し、該上昇によるシリンダ内負圧化により容器
体内クリーム状物が吸込まれる。又容器体内のクリーム
状物減少により摺動底板３が上昇する。[Operation] When the cap 40 is removed from the state shown in FIG. 1 and the head 30 is pushed down, the piston mounting cylinder 26 first descends to open the discharge valve hole 28, and subsequently, the inner cylinder 31 lower end lowers the cylindrical piston 25. By pushing down as shown in FIG. 2, the cream in the cylinder 14 is discharged outward through the discharge valve hole 28 and the nozzle 35. When the head 30 is released from this state, the head 36 and the piston mounting cylinder 26 fitted in the inner cylinder of the head start to rise by pushing up the spring 36, and then the outward negative 27 of the lower end of the piston mounting cylinder. Is in contact with the lower end surface of the cylindrical piston to close the discharge valve hole 28, and the cylindrical piston is kept closed.
25 also rises, and the negative pressure in the cylinder due to the rise raises the creamy substance in the container. Further, the sliding bottom plate 3 rises due to the decrease of the creamy substance in the container body.
「実施例」 １は直筒状の筒体２の下部内へ摺動底板３を上昇可能
に嵌合させた容器本体である。その摺動底板には、公知
のように筒体に対する下降を不能とするための板バネ４
を付設するとよい。筒体下端には鍔体の支持底板５を嵌
着させることもある。筒体２の上部内面からは内向きフ
ランジ６を介して嵌着内筒７を起立させている。"Example" 1 is a container body in which a sliding bottom plate 3 is fitted in a lower portion of a straight tubular body 2 so as to be able to rise. As is well known, the sliding bottom plate has a leaf spring 4 for making it impossible to descend the cylinder.
Should be attached. A support bottom plate 5 of a collar may be fitted to the lower end of the cylinder. A fitting inner cylinder 7 is erected from the inner surface of the upper portion of the cylindrical body 2 via an inward flange 6.
上記筒体２の上端部にはポンプ装置10を装着させてい
る。A pump device 10 is attached to the upper end of the cylindrical body 2.
ポンプ装置は、閉塞部材と連結筒部材と筒状ピストン
とピストン装着筒とヘッドとコイルスプリングとで形成
している。The pump device includes a closing member, a connecting cylinder member, a cylindrical piston, a piston mounting cylinder, a head, and a coil spring.
閉塞部材11は、既述筒体上端部内面を密閉する上板12
を有し、その上板中央部を開口して吸込み口13となし、
又その吸込み口を囲む上板部分からシリンダ14を起立す
る。図示のようにその吸込み口には吸込み弁15を設けて
もよい。該吸込み弁を設けた場合は既述板バネ４を除く
ことが出来る。図示の吸込み弁は吸込み口を弁孔として
その上面を弾性弁板で閉塞い、かつ該弾性弁板の外周一
部をシリンダ下端内方のフランジ状上板部分上へ嵌合さ
せた環状部の内面一部に付設したものである。上板外周
からは筒体２の上端部内面へ嵌着させた嵌着筒16を起立
し、又その嵌着筒とシリンダ14との間の上板部分を上面
閉塞の二重筒状に***して該***部下面の間隙内へ既述
筒体の嵌着内筒７を嵌合させている。The closing member 11 is an upper plate 12 that seals the inner surface of the upper end of the tubular body.
Has a suction port 13 by opening the central portion of the upper plate,
Further, the cylinder 14 is erected from the upper plate portion surrounding the suction port. As shown in the drawing, a suction valve 15 may be provided at the suction port. When the suction valve is provided, the leaf spring 4 described above can be omitted. The suction valve shown in the drawing has a suction port as a valve hole, the upper surface of which is closed by an elastic valve plate, and a part of the outer periphery of the elastic valve plate is fitted on a flange-shaped upper plate part inside the lower end of the cylinder. It is attached to a part of the inner surface. From the outer periphery of the upper plate, a fitting cylinder 16 fitted to the inner surface of the upper end of the cylinder 2 is erected, and the upper plate portion between the fitting cylinder and the cylinder 14 is raised in a double cylinder shape with an upper surface closed. Then, the fitting inner cylinder 7 of the aforementioned cylindrical body is fitted into the gap on the lower surface of the raised portion.
連結筒部材20は、シリンダ14外面に嵌着させた主筒部
21の上端折返し筒部22をシリンダ14の上端部内面へ嵌着
させ、又その主筒部の下部外面からフランジを介して係
合筒23を起立し、該係合筒の上端部外面に第１係合突条
24を周設している。図示のようにその係合筒に空気流通
孔を穿設してもよい。The connecting cylinder member 20 is a main cylinder part fitted to the outer surface of the cylinder 14.
The upper end folded cylinder portion 22 of 21 is fitted to the inner surface of the upper end portion of the cylinder 14, and the engagement cylinder 23 is erected from the lower outer surface of the main cylinder portion via a flange, and the engagement cylinder 23 is provided on the outer surface of the upper end portion of the engagement cylinder. 1 engaging ridge
It runs around 24. As shown in the drawing, an air circulation hole may be formed in the engaging cylinder.
既述シリンダ14内へは上下動可能に筒状ピストン25を
嵌合させる。A cylindrical piston 25 is fitted in the cylinder 14 so as to be vertically movable.
上記筒状ピストン25は、ピストン装着前26の外面へ摺
動自在に嵌合させる。該ピストン装着筒は有底筒部下端
に筒状ピストンの下端面係合用の外向きフランジ27を有
し、又該フランジ上方の筒下部に、筒状ピストンの上下
動により開閉される吐出弁孔28を穿設している。The tubular piston 25 is slidably fitted to the outer surface of the piston before mounting 26. The piston mounting cylinder has an outward flange 27 for engaging the lower end surface of the cylindrical piston at the lower end of the bottomed cylindrical portion, and a discharge valve hole that is opened and closed by vertical movement of the cylindrical piston at the lower part of the cylinder above the flange. 28 is drilled.
ピストン装着筒26上部は、ヘッド30の内筒31内面へ嵌
着させる。ヘッド30はその内筒を頂壁32裏面から垂下す
る。内筒31は筒状ピストン内径よりも大外径で、既述折
返し筒22内へ上下動可能に嵌合させてあり、又ピストン
装着筒の外向きフランジ27とその内筒下端との間には、
筒状ピストンが上下動できる間隙を設けておく。又頂壁
32外周から外筒33を垂下し、該外筒の下端内周に第２係
合突条34を周設して、既述第１係合突条24下面へ係合さ
せている。又内筒31上端に連通させて外筒33の上端部外
方ノズル35を突出させている。The upper part of the piston mounting cylinder 26 is fitted to the inner surface of the inner cylinder 31 of the head 30. The head 30 hangs its inner cylinder from the back surface of the top wall 32. The inner cylinder 31 has an outer diameter larger than the inner diameter of the cylindrical piston, and is fitted into the folded-back cylinder 22 so as to be vertically movable, and between the outward flange 27 of the piston mounting cylinder and the lower end of the inner cylinder. Is
A gap is provided so that the cylindrical piston can move up and down. The top wall
An outer cylinder 33 is suspended from the outer circumference of the outer cylinder 32, and a second engaging projection 34 is provided around the inner circumference of the lower end of the outer cylinder to engage with the lower surface of the first engaging projection 24 described above. Further, the upper end outer nozzle 35 of the outer cylinder 33 is projected so as to communicate with the upper end of the inner cylinder 31.
コイルスプリング36は、既述連結筒部材20の主筒部21
外面へ下部を遊嵌させてその外向きフランジとヘッド頂
壁32の裏面との間に介装させた、ヘッド押上げ用スプリ
ングである。The coil spring 36 includes the main tubular portion 21 of the connecting tubular member 20 described above.
A head pushing-up spring in which a lower portion is loosely fitted to the outer surface and is interposed between the outward flange and the back surface of the head top wall 32.
40はポンプ装置外面へ着脱自在に嵌合させたキャップ
である。40 is a cap detachably fitted to the outer surface of the pump device.
「考案の効果」 本案は既述構成としてシリンダ14内を筒状ピストンが
下降することでシリンダ内が加圧されるよう設けたか
ら、そのポンプ室容量を大形化することが容易であり、
又吐出弁は筒状ピストン25の上下動により吐出弁孔28を
開閉し、その筒状ピストンの下降は、ヘッドの内筒31が
その筒状ピストンを押下げることで、又筒状ピストンの
上昇はその内筒に上部を嵌着させたピストン装着筒26下
端の外向きフランジ27の押上げで上昇するよう設けたか
ら、その吐出弁の開閉はシリンダ室内圧力の増減とは無
関係に機械的に行われることとなり、よってその吐出弁
の開閉を確実とすることが出来る。更に連結筒部材の第
１係合突条24下面にヘッド外周壁の第２係合突条34を係
合させると共に連結筒部材の折返し筒部22内へヘッドの
内筒31を上下動可能に嵌合させたから、上記連結筒部材
20の外向きフランジとヘッド頂壁の裏面との間にヘッド
押上げ用のコイルスプリング36を介装させてヘッド30と
連結筒部材20とコイルスプリング36とを一体的に組付け
ておくことが出来、従ってポンプ装置全体の組立てを容
易とすることが出来る。[Effect of the Invention] Since the present invention is provided as described above so that the cylinder piston is lowered in the cylinder 14 to pressurize the inside of the cylinder, it is easy to increase the capacity of the pump chamber.
Further, the discharge valve opens and closes the discharge valve hole 28 by the vertical movement of the cylindrical piston 25, and the lowering of the cylindrical piston causes the inner cylinder 31 of the head to push down the cylindrical piston, thereby raising the cylindrical piston. Is provided so as to rise by pushing up the outward flange 27 at the lower end of the piston mounting cylinder 26 with the upper part fitted to the inner cylinder, so the opening and closing of the discharge valve is performed mechanically regardless of the increase or decrease in the cylinder chamber pressure. Therefore, the opening and closing of the discharge valve can be ensured. Further, the lower surface of the first engaging projection 24 of the connecting tubular member is engaged with the second engaging projection 34 of the outer peripheral wall of the head, and the inner cylinder 31 of the head can be vertically moved into the folded tubular portion 22 of the connecting tubular member. Since they are fitted together, the above connecting cylinder member
The head 30, the connecting cylinder member 20, and the coil spring 36 may be integrally assembled by interposing a coil spring 36 for pushing up the head between the outward flange of 20 and the back surface of the head top wall. Therefore, it is possible to easily assemble the entire pump device.
第１図は本案容器の半断面図、第２図はその容器のヘッ
ドを押下げた状態で示す要部拡大断面図である。 11……閉塞部材、20……連結筒部材 25……筒状ピストン、26……ピストン装着筒 30……ヘッドFIG. 1 is a half cross-sectional view of the container of the present invention, and FIG. 2 is an enlarged cross-sectional view of essential parts shown with the head of the container depressed. 11 ... Blocking member, 20 ... Connection tubular member 25 ... Cylindrical piston, 26 ... Piston mounting tube 30 ... Head
Claims (1)
可能に嵌合させた容器本体１と、該本体の上端部内面を
密閉する上板12中央部に吸込み口13を設けると共に、該
吸込み口を囲む上板部分からシリンダ14を起立する閉塞
部材11と、上記シリンダ外面に嵌着させた主筒部21の上
端折返し筒部22をシリンダ14の上端部内面に嵌着させる
と共に、その主筒部の下部外面からフランジを介して係
合筒23を起立し、該係合筒の上端部外面に第１係合突条
24を周設した連結筒部材20と、上記シリンダ14内へ嵌合
させた筒状ピストン25と、該筒状ピストン内面へ挿通さ
せた有底筒部下端に筒状ピストン内径よりも大外径の外
向きフランジ27を付設すると共に、その筒部下部に筒状
ピストンにより開閉される吐出弁孔28を穿設したピスト
ン装着筒26と、該装着筒上部を、頂壁32裏面から垂下し
て上記折返し筒22内へ上下動可能に嵌合された、上記筒
状ピストン内径よりも大外径の内筒31内面へ、該内筒下
端と外向きフランジ27との間に筒状ピストンの摺動間隙
を残して嵌着させると共に、頂壁32外周から垂下する外
筒33下端の第２係合突条34を上記第１係合突条24下面へ
係合させ、かつ内筒上端に連通させて外筒33の外方へノ
ズル35を突出するヘッド30と、上記連結筒部材の外向き
フランジとヘッド頂壁の裏面との間に介装させたヘッド
押上げ用のコイルスプリング36とからなることを特徴と
する、クリーム状物吐出容器。1. A container body 1 in which a sliding bottom plate 3 is fitted in a lower part of a straight tubular body 2 so as to be able to rise, and a suction port 13 is provided in a central portion of an upper plate 12 for sealing an inner surface of an upper end portion of the body. The closing member 11 that raises the cylinder 14 from the upper plate portion that surrounds the suction port and the upper end folded-back tubular portion 22 of the main tubular portion 21 that is fitted to the outer surface of the cylinder are fitted to the inner surface of the upper end portion of the cylinder 14. In addition, the engaging cylinder 23 is erected from the outer surface of the lower portion of the main cylinder through the flange, and the first engaging protrusion is formed on the outer surface of the upper end portion of the engaging cylinder.
A connecting cylinder member 20 around which 24 is provided, a cylindrical piston 25 fitted into the cylinder 14, and a bottom end of a cylindrical piston inserted into the inner surface of the cylindrical piston has a lower outer diameter than the inner diameter of the cylindrical piston. Of the piston mounting cylinder 26 having an outward flange 27 attached thereto, and a discharge valve hole 28 opened and closed by a cylindrical piston in the lower part of the cylindrical part thereof, and the mounting cylinder upper part hanging from the back surface of the top wall 32. To the inner surface of the inner cylinder 31 that is fitted in the folding cylinder 22 so as to be vertically movable and has an outer diameter larger than the inner diameter of the cylindrical piston, slide the cylindrical piston between the lower end of the inner cylinder and the outward flange 27. It is fitted while leaving a dynamic gap, and the second engaging projection 34 at the lower end of the outer cylinder 33 hanging from the outer periphery of the top wall 32 is engaged with the lower surface of the first engaging projection 24 and communicates with the upper end of the inner cylinder. A head 30 projecting the nozzle 35 to the outside of the outer cylinder 33, an outward flange of the connecting cylinder member, and a back surface of the head top wall. Characterized in that a coil spring 36. the head lifting which was interposed between, creamy product discharge vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8035090U JP2509241Y2 (en) | 1990-07-26 | 1990-07-26 | Creamy object discharge container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8035090U JP2509241Y2 (en) | 1990-07-26 | 1990-07-26 | Creamy object discharge container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0438962U JPH0438962U (en) | 1992-04-02 |
| JP2509241Y2 true JP2509241Y2 (en) | 1996-08-28 |
Family
ID=31625329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8035090U Expired - Lifetime JP2509241Y2 (en) | 1990-07-26 | 1990-07-26 | Creamy object discharge container |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2509241Y2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2597417Y2 (en) * | 1992-07-02 | 1999-07-05 | 株式会社吉野工業所 | Creamy container |
| JP5477865B2 (en) * | 2010-11-30 | 2014-04-23 | 株式会社吉野工業所 | Jet pump |
| JP7357523B2 (en) * | 2019-11-29 | 2023-10-06 | 株式会社吉野工業所 | Dispenser |
-
1990
- 1990-07-26 JP JP8035090U patent/JP2509241Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0438962U (en) | 1992-04-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |