JPH11121231A - Solenoid - Google Patents
SolenoidInfo
- Publication number
- JPH11121231A JPH11121231A JP9284029A JP28402997A JPH11121231A JP H11121231 A JPH11121231 A JP H11121231A JP 9284029 A JP9284029 A JP 9284029A JP 28402997 A JP28402997 A JP 28402997A JP H11121231 A JPH11121231 A JP H11121231A
- Authority
- JP
- Japan
- Prior art keywords
- round case
- coil
- solenoid
- round
- locking means
- 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
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- Electromagnets (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、バルブ本体に装着
されバルブ本体と共に電磁弁を構成するソレノイドに関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a solenoid which is mounted on a valve body and forms an electromagnetic valve together with the valve body.
【０００２】[0002]
【従来の技術】一般に、油圧回路等の構成要素となる電
磁弁は、油流路等を開閉するスプールが内蔵されたバル
ブ本体に、上記スプールを作動する同一構造からなる左
右一対のソレノイド（電磁石装置ともいう。）を装着し
て構成される。2. Description of the Related Art In general, an electromagnetic valve, which is a component of a hydraulic circuit or the like, includes a pair of left and right solenoids (electromagnets) having the same structure for operating the spool provided on a valve body having a built-in spool for opening and closing an oil passage and the like. ).
【０００３】図３は、この種の左右一対のソレノイドの
一方のソレノイドの従来例の断面図を示している。FIG. 3 shows a sectional view of a conventional example of one of a pair of left and right solenoids of this kind.
【０００４】図３に示すソレノイド１は、油浸型の電磁
弁等に広く使用されているソレノイドである。このソレ
ノイド１は、コイルアッシー２とチューブアッシー３と
ナット４とを備える。A solenoid 1 shown in FIG. 3 is a solenoid widely used for an oil immersion type solenoid valve and the like. The solenoid 1 includes a coil assembly 2, a tube assembly 3, and a nut 4.
【０００５】コイルアッシー２は、樹脂製ボビン２１
と、このボビン２１に巻回されたソレノイドコイル２２
と、ソレノイドコイル２２が励磁されたとき図示破線矢
印で示す磁気回路ＭＣの一部を形成するドーナツ板状の
複数のヨーク２３と、同じく磁気回路ＭＣの一部を形成
する中空円筒状の磁性体２４と、ソレノイドコイル２２
に外部から電流を取り入れるためのターミナルピン２５
とを備え、これらの部品２１〜２５を金型にセットして
樹脂材料を注入することにより、樹脂ケース２６内に上
記各部品２１〜２５がモールドされて一体に形成されて
いる。The coil assembly 2 includes a resin bobbin 21
And a solenoid coil 22 wound around the bobbin 21
And a plurality of donut-shaped yokes 23 forming a part of the magnetic circuit MC indicated by the dashed arrows when the solenoid coil 22 is excited, and a hollow cylindrical magnetic body also forming a part of the magnetic circuit MC 24 and the solenoid coil 22
Terminal pin 25 for taking in current from outside
By setting these components 21 to 25 in a mold and injecting a resin material, the components 21 to 25 are molded and integrally formed in the resin case 26.
【０００６】チューブアッシー３は、コイルアッシー２
のボビン２１の中空部に挿入されている。チューブアッ
シー３は、図示しないバルブ本体に形成された雌ねじに
ねじ込まれる雄ねじ３１ａを有する固定鉄心３１と、ソ
レノイドコイル２２の励磁時に固定鉄心３１から磁気吸
引力を受ける可動鉄心（プランジャー）３２と、一端が
固定鉄心３１に溶着され他端がストッパー３４に溶着さ
れ、可動鉄心３２を軸方向に摺動可能に収容した非磁性
体からなるパイプ３３と、可動鉄心３２の図３における
上端位置を規制するストッパー３４とから一体に形成さ
れている。ストッパー３４の貫通孔には、シール性を確
保しながら手動操作ピン３９が摺動可能に挿入されてい
る。手動操作ピン３９は、外部からの操作により可動鉄
心３２及びプッシュピン３５を介してバルブ本体内のス
プール（図示せず）を手動で作動させるためのものであ
る。The tube assembly 3 is a coil assembly 2
Is inserted into the hollow portion of the bobbin 21. The tube assembly 3 includes a fixed iron core 31 having a male screw 31 a screwed into a female screw formed on a valve body (not shown), a movable iron core (plunger) 32 receiving a magnetic attraction force from the fixed iron core 31 when the solenoid coil 22 is excited, One end is welded to the fixed iron core 31 and the other end is welded to the stopper 34. The pipe 33 is made of a non-magnetic material and accommodates the movable iron core 32 slidably in the axial direction. And is integrally formed with the stopper 34. A manual operation pin 39 is slidably inserted into the through hole of the stopper 34 while ensuring sealing properties. The manual operation pin 39 is for manually operating a spool (not shown) in the valve body via the movable iron core 32 and the push pin 35 by an operation from the outside.
【０００７】ナット４は、チューブアッシー３のストッ
パー３４の雄ねじ３４ａにねじ込まれるナットであり、
チューブアッシー３とコイルアッシー２とを一体化させ
てバルブ本体に組み付けるために用いられる。すなわ
ち、バルブ本体へのソレノイドの装着方法は、チューブ
アッシー３の固定鉄心３１の雄ねじ３１ａをバルブ本体
の雌ねじにねじ込み、チューブアッシー３にコイルアッ
シー２を組み付けた状態で、チューブアッシー３のスト
ッパー３４の雄ねじ３４ａにナット４をねじ込むように
する。The nut 4 is a nut that is screwed into the external thread 34a of the stopper 34 of the tube assembly 3.
It is used to integrate the tube assembly 3 and the coil assembly 2 into a valve body. That is, the method of mounting the solenoid on the valve body is as follows. The male screw 31a of the fixed iron core 31 of the tube assembly 3 is screwed into the female screw of the valve body, and the coil assembly 2 is assembled to the tube assembly 3. The nut 4 is screwed into the male screw 34a.
【０００８】なお、可動鉄心３２の下端面にはプッシュ
ピン３５の上端面が当接しており、このプッシュピン３
５は、固定鉄心３１の上下方向の貫通孔３１ｂを通って
バルブ本体のスプール（図示せず）に当接している。ま
た、ソレノイドコイル２２の消磁時かつ他方のソレノイ
ド（バルブ本体を挟んで図３図示のソレノイドとは反対
側に位置し、図３図示のソレノイドと同一構造を有す
る）のソレノイドコイルの励磁時には、スプール（図示
せず）がスプリング（図示せず）の弾性力に抗してプッ
シュピン３５を押し、可動鉄心３２は固定鉄心３１から
離隔される。The lower end surface of the movable iron core 32 is in contact with the upper end surface of a push pin 35.
5 is in contact with a spool (not shown) of the valve body through a through hole 31b in the vertical direction of the fixed iron core 31. Further, when the solenoid coil 22 is demagnetized and the other solenoid (which is located on the opposite side of the valve body with respect to the solenoid shown in FIG. 3 and has the same structure as the solenoid shown in FIG. 3) is energized, the spool (Not shown) pushes the push pin 35 against the elastic force of a spring (not shown), and the movable core 32 is separated from the fixed core 31.
【０００９】[0009]
【発明が解決しようとする課題】しかしながら、上記の
ような従来のソレノイドは構成が複雑でありコスト高で
あった。However, the conventional solenoid as described above has a complicated structure and is expensive.
【００１０】本発明は上記問題点を解決し、簡単な構成
かつ組み付けが容易で安価なソレノイドを提供すること
を目的とする。An object of the present invention is to solve the above problems and to provide an inexpensive solenoid which has a simple structure, is easy to assemble, and is inexpensive.
【００１１】[0011]
【課題を解決するための手段】本発明のソレノイドは、
弾性変形可能な磁性材料からなる断面ほぼＣ字状の丸ケ
ースと、前記丸ケースの内部に収容されるモールドコイ
ルであって、コイルが巻回されたボビンと前記コイルに
接続されたリード線のコイル側部位とをインサート体と
して一体成形されたモールドコイルと、前記丸ケースの
内周面の両端に圧接した状態で収容されるヨークと、前
記モールドコイルと前記丸ケースに設けられ、前記丸ケ
ースの弾性力によって前記モールドコイルと前記丸ケー
スとを係止状態に保つ第１係止手段と、前記各ヨークと
前記丸ケースに設けられ、前記丸ケースの弾性力によっ
て各ヨークと前記丸ケースとを係止状態に保つ第２係止
手段と、を備えることを特徴とする。SUMMARY OF THE INVENTION The solenoid of the present invention comprises:
A round case having a substantially C-shaped cross section made of an elastically deformable magnetic material, and a molded coil housed inside the round case, comprising a bobbin around which the coil is wound and a lead wire connected to the coil. A molded coil integrally formed with a coil side portion as an insert body, a yoke accommodated in a state of being pressed against both ends of an inner peripheral surface of the round case, and the round case provided in the molded coil and the round case; A first locking means for holding the molded coil and the round case in a locked state by the elastic force of the yoke and the round case; And a second locking means for keeping the locking state.
【００１２】[0012]
【発明の作用効果】本発明によると、丸ケースとモール
ドコイルと二個のヨークとからソレノイドの主要部が構
成される簡単な構成であり、しかも、これらの組み付け
が丸ケースの弾性力と第１、第２係止手段を利用するこ
とで容易に行なうことができるため、簡単な構成かつ組
み付けが容易で安価なソレノイドを提供することが可能
となる。According to the present invention, the main part of the solenoid is composed of a round case, a molded coil, and two yokes, and the assembly is performed with the elastic force of the round case and the second case. Since it can be easily performed by using the first and second locking means, it is possible to provide an inexpensive solenoid that has a simple configuration, is easy to assemble, and is easy to assemble.
【００１３】[0013]
【発明の実施の形態】以下、本発明の実施の形態を図面
に基づいて説明する。Embodiments of the present invention will be described below with reference to the drawings.
【００１４】図１は、一実施例によるソレノイドの主要
部の分解斜視図、図２は、同主要部を組み付けた状態の
側面図をそれぞれ示す。FIG. 1 is an exploded perspective view of a main part of a solenoid according to an embodiment, and FIG. 2 is a side view showing a state where the main part is assembled.
【００１５】本実施例によるソレノイドの主要部は、丸
ケース５０とモールドコイル６０と二個のヨーク７０、
８０とによって構成される。The main parts of the solenoid according to the present embodiment are a round case 50, a molded coil 60, two yokes 70,
80.
【００１６】丸ケース５０は、弾性変形可能な磁性材料
からなり、図１に示すように断面ほぼＣ字状に構成され
ている。丸ケース５０は、上端から下端にかけて上下方
向にスリット５１が形成され、このスリット５１は上部
５１ａでは幅狭に、下部５１ｂでは幅広に形成され、ス
リット下部５１ｂには、第１係止手段としての一対の第
１凹部５１ｃ、５１ｄが形成されている。また、丸ケー
ス５０の上端及び下端には、それぞれ、第２係止手段と
しての一対の第２凹部５２ａ、５２ｂ、５３ａ、５３ｂ
が形成されている。The round case 50 is made of an elastically deformable magnetic material and has a substantially C-shaped cross section as shown in FIG. In the round case 50, a slit 51 is formed in the vertical direction from the upper end to the lower end, and the slit 51 is formed narrow in the upper part 51a and wide in the lower part 51b, and formed in the slit lower part 51b as a first locking means. A pair of first concave portions 51c and 51d are formed. Further, a pair of second concave portions 52a, 52b, 53a, 53b as second locking means are provided at the upper end and the lower end of the round case 50, respectively.
Are formed.
【００１７】モールドコイル６０は、中空部６２ａを有
しコイル６１が巻回されたボビン６２とコイル６１に接
続されたリード線６３のコイル側部位とゴムブッシュ６
４とをインサート体として一体に樹脂成形されており、
ボビン６２及びコイル６１がモールドされている中空円
筒部６５と、この中空円筒部６５から突出し、ゴムブッ
シュ６４及びリード線６３がモールドされている膨出部
６６とから形成されている。中空円筒部６５の外径は、
丸ケース５０の内径よりも僅かに大きく設定されてい
る。膨出部６６の両側面には第１係止手段としての一対
のリブ６６ａ、６６ｂが形成されている。膨出部６６は
丸ケース５０のスリット下部５１ｂに収容され、膨出部
６６のリブ６６ａ、６６ｂはスリット下部５１ｂの第１
凹部５１ｃ、５１ｄに収容可能とされている。The molded coil 60 has a hollow portion 62 a, a bobbin 62 around which the coil 61 is wound, a coil side portion of a lead wire 63 connected to the coil 61, and a rubber bush 6.
4 is integrally molded with resin as an insert body,
A hollow cylindrical portion 65 in which the bobbin 62 and the coil 61 are molded is formed, and a bulging portion 66 protruding from the hollow cylindrical portion 65 and in which the rubber bush 64 and the lead wire 63 are molded. The outer diameter of the hollow cylindrical portion 65 is
It is set slightly larger than the inner diameter of the round case 50. A pair of ribs 66a and 66b as first locking means are formed on both side surfaces of the bulging portion 66. The bulging portion 66 is housed in the lower slit portion 51b of the round case 50, and the ribs 66a and 66b of the bulging portion 66 are the first portions of the lower slit portion 51b.
The recesses 51c and 51d can be accommodated.
【００１８】各ヨーク７０、８０は、中空円盤状に形成
されており、外縁に第２係止手段としての一対突起７１
ａ、７１ｂ、８１ａ、８１ｂが形成されている。各ヨー
ク７０、８０の外径（突起７１ａ、７１ｂ、８１ａ、８
１ｂを除く。）は、モールドコイル６０の中空円筒部６
５の外径よりも僅かに大きく設定されている。Each of the yokes 70 and 80 is formed in the shape of a hollow disk, and has a pair of projections 71 on its outer edge as second locking means.
a, 71b, 81a and 81b are formed. The outer diameter of each yoke 70, 80 (projections 71a, 71b, 81a, 8
Excluding 1b. ) Indicates the hollow cylindrical portion 6 of the molded coil 60.
5 is set slightly larger than the outer diameter.
【００１９】次に、上記のように構成された丸ケース５
０とモールドコイル６０と二個のヨーク７０、８０の組
み付け方法の一例を説明する。Next, the round case 5 constructed as described above is used.
An example of a method of assembling the 0, the molded coil 60 and the two yokes 70 and 80 will be described.
【００２０】まず、丸ケース５０を拡径させ、この拡径
させた丸ケース５０の上端の第２凹部５２ａ、５２ｂに
ヨーク７０の突起７１ａ、７１ｂを収容させ、丸ケース
５０の拡径を解除する。この操作により丸ケース５０の
上端にヨーク７０が係止される。次に、スリット下部５
１ｂにモールドコイル６０の膨出部６６を侵入させモー
ルドコイル６０を丸ケース５０の奥まで侵入させる。モ
ールドコイル６０が丸ケース５０の奥まで達すると、膨
出部６６のリブ６６ａ、６６ｂがスリット下部５１ｂの
第１凹部５１ｃ、５１ｄに収容され、モールドコイル６
０は丸ケース５０に係止され、離脱が防止される。次
に、丸ケース５０を僅かに拡径させた状態で丸ケース５
０の下端の第２凹部５３ａ、５３ｂにヨーク８０の突起
８１ａ、８１ｂを収容させ丸ケース５０の拡径を解除す
る。First, the diameter of the round case 50 is expanded, and the projections 71a, 71b of the yoke 70 are accommodated in the second concave portions 52a, 52b at the upper end of the round case 50, and the diameter expansion of the round case 50 is released. I do. By this operation, the yoke 70 is locked on the upper end of the round case 50. Next, slit lower part 5
The bulging portion 66 of the molded coil 60 is made to penetrate into 1b, and the molded coil 60 is made to penetrate deep into the round case 50. When the mold coil 60 reaches the inside of the round case 50, the ribs 66a, 66b of the bulging portion 66 are accommodated in the first concave portions 51c, 51d of the lower slit portion 51b, and the molded coil 6
0 is locked to the round case 50 to prevent detachment. Next, in a state where the diameter of the round case 50 is slightly increased,
The protrusions 81a and 81b of the yoke 80 are housed in the second concave portions 53a and 53b at the lower end of the 0, and the diameter expansion of the round case 50 is released.
【００２１】以上の操作を行なうことにより、丸ケース
５０にヨーク７０、モールドコイル６０及びヨーク８０
が一体に組み付けられる。By performing the above operations, the yoke 70, the molded coil 60 and the yoke 80
Are assembled together.
【００２２】以上説明したように、本実施例によると、
丸ケース５０とモールドコイル６０と二個のヨーク７
０、８０とからソレノイドの主要部が構成される簡単な
構成であり、しかも、これらの組み付けが丸ケース５０
の弾性力と第１係止手段（リブ６６ａ、６６ｂと第１凹
部５１ｃ、５１ｄ）、及び、第２係止手段（第２凹部５
２ａ、５２ｂ、５３ａ、５３ｂと突起７１ａ、７１ｂ、
８１ａ、８１ｂ）を利用することで容易に行なうことが
できるため、簡単な構成かつ組み付けが容易で安価なソ
レノイドを提供することが可能となる。As described above, according to the present embodiment,
Round case 50, molded coil 60 and two yokes 7
0 and 80, the main part of the solenoid is simple.
And the first locking means (the ribs 66a, 66b and the first recesses 51c, 51d) and the second locking means (the second recess 5).
2a, 52b, 53a, 53b and projections 71a, 71b,
81a, 81b), it is possible to provide an inexpensive solenoid with a simple configuration and easy assembly.
【図１】一実施例によるソレノイドの主要部の分解斜視
図である。FIG. 1 is an exploded perspective view of a main part of a solenoid according to an embodiment.
【図２】同主要部を組み付けた状態の側面図である。FIG. 2 is a side view showing a state where the main part is assembled.
【図３】従来のソレノイドの断面図である。FIG. 3 is a sectional view of a conventional solenoid.
５０ 丸ケース ５１ｃ、５１ｄ 第１凹部（第１係止手段） ５２ａ、５２ｂ、５３ａ、５３ｂ 第２凹部（第２係
止手段） ６０ モールドコイル ６１ コイル ６２ ボビン ６３ リード線 ６６ａ、６６ｂ リブ（第１係止手段） ７０、８０ ヨーク ７１ａ、７１ｂ、８１ａ、８１ｂ 突起（第２係止手
段）50 Round case 51c, 51d First concave part (first locking means) 52a, 52b, 53a, 53b Second concave part (second locking means) 60 Mold coil 61 Coil 62 Bobbin 63 Lead wire 66a, 66b Rib (first Locking means) 70, 80 Yoke 71a, 71b, 81a, 81b Projection (second locking means)
Claims (2)
ぼＣ字状の丸ケースと、 前記丸ケースの内部に収容されるモールドコイルであっ
て、コイルが巻回されたボビンと前記コイルに接続され
たリード線のコイル側部位とをインサート体として一体
成形されたモールドコイルと、 前記丸ケースの内周面の両端に圧接した状態で収容され
るヨークと、 前記モールドコイルと前記丸ケースに設けられ、前記丸
ケースの弾性力によって前記モールドコイルと前記丸ケ
ースとを係止状態に保つ第１係止手段と、 前記各ヨークと前記丸ケースに設けられ、前記丸ケース
の弾性力によって各ヨークと前記丸ケースとを係止状態
に保つ第２係止手段と、 を備えることを特徴とするソレノイド。1. A round case made of an elastically deformable magnetic material and having a substantially C-shaped cross section, and a molded coil housed inside the round case, the bobbin around which the coil is wound and connected to the coil. A molded coil integrally formed with the coil side portion of the formed lead wire as an insert body, a yoke housed in a state of being pressed against both ends of the inner peripheral surface of the round case, and provided on the molded coil and the round case A first locking means for holding the molded coil and the round case in a locked state by an elastic force of the round case; and a yoke and a yoke provided on the respective yokes and the round case by the elastic force of the round case. And a second locking means for holding the round case and the round case in a locked state.
は、前記モールドコイルに形成されたリブと、前記丸ケ
ースに形成され、前記リブを収容する第１凹部とによっ
て構成され、前記第２係止手段は、前記各ヨークに形成
された突起と、前記丸ケースに形成され、前記突起を収
容する第２凹部とによって構成されることを特徴とする
ソレノイド。2. The first locking means according to claim 1, wherein the first locking means comprises a rib formed on the molded coil, and a first recess formed on the round case and accommodating the rib. 2. The solenoid according to claim 1, wherein the second locking means includes a projection formed on each of the yokes and a second recess formed on the round case and accommodating the projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28402997A JP3760328B2 (en) | 1997-10-16 | 1997-10-16 | solenoid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28402997A JP3760328B2 (en) | 1997-10-16 | 1997-10-16 | solenoid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11121231A true JPH11121231A (en) | 1999-04-30 |
| JP3760328B2 JP3760328B2 (en) | 2006-03-29 |
Family
ID=17673388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28402997A Expired - Lifetime JP3760328B2 (en) | 1997-10-16 | 1997-10-16 | solenoid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3760328B2 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1160806A2 (en) * | 2000-05-30 | 2001-12-05 | Conti Temic microelectronic GmbH | Valve control device |
| KR100425927B1 (en) * | 2001-12-21 | 2004-04-01 | 이기옥 | Solenoid valve |
| KR100445963B1 (en) * | 2002-04-26 | 2004-08-25 | 주식회사 유니크 | Solenoid valve |
| JP2006147853A (en) * | 2004-11-19 | 2006-06-08 | Fuji Koki Corp | Solenoid valve |
| CN103035351A (en) * | 2011-09-28 | 2013-04-10 | 株式会社鹭宫制作所 | Electromagnetic coil and electromagnetic valve |
| JP2013084891A (en) * | 2011-09-28 | 2013-05-09 | Saginomiya Seisakusho Inc | Electromagnetic coil and electromagnetic valve |
| JP2016086011A (en) * | 2014-10-23 | 2016-05-19 | 多摩川精機株式会社 | Manufacturing method of differential transformer |
| JP2016086012A (en) * | 2014-10-23 | 2016-05-19 | 多摩川精機株式会社 | Manufacturing method of differential transformer |
| JP2019220561A (en) * | 2018-06-19 | 2019-12-26 | 株式会社不二工機 | Mold coil and electric drive valve |
-
1997
- 1997-10-16 JP JP28402997A patent/JP3760328B2/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1160806A2 (en) * | 2000-05-30 | 2001-12-05 | Conti Temic microelectronic GmbH | Valve control device |
| EP1160806A3 (en) * | 2000-05-30 | 2002-09-04 | Conti Temic microelectronic GmbH | Valve control device |
| KR100425927B1 (en) * | 2001-12-21 | 2004-04-01 | 이기옥 | Solenoid valve |
| KR100445963B1 (en) * | 2002-04-26 | 2004-08-25 | 주식회사 유니크 | Solenoid valve |
| JP2006147853A (en) * | 2004-11-19 | 2006-06-08 | Fuji Koki Corp | Solenoid valve |
| CN103035351A (en) * | 2011-09-28 | 2013-04-10 | 株式会社鹭宫制作所 | Electromagnetic coil and electromagnetic valve |
| JP2013084891A (en) * | 2011-09-28 | 2013-05-09 | Saginomiya Seisakusho Inc | Electromagnetic coil and electromagnetic valve |
| JP2016086011A (en) * | 2014-10-23 | 2016-05-19 | 多摩川精機株式会社 | Manufacturing method of differential transformer |
| JP2016086012A (en) * | 2014-10-23 | 2016-05-19 | 多摩川精機株式会社 | Manufacturing method of differential transformer |
| JP2019220561A (en) * | 2018-06-19 | 2019-12-26 | 株式会社不二工機 | Mold coil and electric drive valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3760328B2 (en) | 2006-03-29 |
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