JPH0312509Y2 - - Google Patents
Info
- Publication number
- JPH0312509Y2 JPH0312509Y2 JP1986111210U JP11121086U JPH0312509Y2 JP H0312509 Y2 JPH0312509 Y2 JP H0312509Y2 JP 1986111210 U JP1986111210 U JP 1986111210U JP 11121086 U JP11121086 U JP 11121086U JP H0312509 Y2 JPH0312509 Y2 JP H0312509Y2
- Authority
- JP
- Japan
- Prior art keywords
- plate
- plate cylinder
- ink
- doctor blade
- cylinder
- 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
Links
- 239000011347 resin Substances 0.000 claims description 29
- 229920005989 resin Polymers 0.000 claims description 29
- 238000007649 pad printing Methods 0.000 claims description 21
- 238000007639 printing Methods 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 description 12
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
Description
【考案の詳細な説明】
イ 考案の目的
ａ 産業上の利用分野
本考案は、版とパツドがともに回転してパツド
印刷する、回転式パツド印刷機の改良に係るもの
である。[Detailed description of the invention] A. Purpose of the invention a. Field of industrial application The present invention relates to an improvement of a rotary pad printing machine in which the plate and pad rotate together to perform pad printing.
ｂ 従来の技術
回転式パツド印刷は、平面状・円筒形・球形、
あるいは不規則な３次元曲面等の被印刷物へも印
刷を可能とする。その回転式パツド印刷機の構造
は、例えば先に本件出願人が提案して、実開昭59
−76346号公報に記載の如きものである。b. Conventional technology Rotary pad printing can print flat, cylindrical, spherical,
Alternatively, it is possible to print on substrates such as irregular three-dimensional curved surfaces. The structure of the rotary pad printing machine, for example, was previously proposed by the applicant and was developed in 1983.
It is as described in the -76346 publication.
即ち、周部に模様等の印刷パターンに対応した
インキ保持凹部を有し、下部をインキトレイのイ
ンキに浸りながら回転する版胴と、その版胴の周
面に摺接して余分なインキを掻き取るドクターブ
レードと、版胴と接して回転することで凹部内の
インキが転移され、かつ被印刷物へ押圧されるこ
とでインキを被印刷物へ転移させる回転パツドと
で構成されている。 That is, the plate cylinder has an ink holding recess corresponding to a printed pattern such as a pattern on the periphery, and the plate cylinder rotates while the lower part is immersed in ink in the ink tray, and the plate cylinder slides into contact with the circumferential surface of the plate cylinder to scrape off excess ink. It consists of a doctor blade that rotates in contact with the plate cylinder to transfer the ink in the recess, and a rotating pad that transfers the ink to the printing material by being pressed against the printing material.
上記の如き回転式パツド印刷機において、従来
の版胴は金属製主として鋼（合金工具鋼、刃物
鋼）製で、短円筒または短円柱状の周面にインキ
保持凹部が形成されている。この鋼製の版胴は、
硬度が高く傷つき難いため、耐久性に優れたもの
である。 In the rotary pad printing machine as described above, the conventional plate cylinder is made of metal, mainly steel (alloy tool steel, cutter steel), and has an ink holding recess formed on the circumferential surface of a short cylinder or short cylinder. This steel plate cylinder is
It has high hardness and is hard to scratch, so it has excellent durability.
ｃ 考案が解決しようとする問題点
上記従来の鋼製版胴をもつ回転式パツド印刷機
は、耐久性には優れるものの、その版胴は製造コ
ストがきわめて高くつく。そのため特に多品種少
量で、かつ回転式パツド印刷が必要な被印刷物へ
のパツド印刷のコストは、高くならざるを得ない
現状にある。c. Problems to be solved by the invention Although the above-mentioned conventional rotary pad printing press with a steel plate cylinder has excellent durability, the production cost of the plate cylinder is extremely high. For this reason, the cost of pad printing on substrates that require rotary pad printing, especially in small quantities of a wide variety of products, is inevitably high.
そこで印刷コストを低減させるため、多品種少
量の被印刷物に平圧式パツド印刷する際に用いる
板状樹脂版を、回転式パツド印刷に応用すること
が考えられる。これは薄い板状の感光性樹脂版
を、短円筒または短円柱状の回転胴体の周部に巻
付け固定しようとするもので、版胴を安価にでき
る。 Therefore, in order to reduce printing costs, it is conceivable to apply plate-shaped resin plates used in flat-pressure pad printing on a wide variety of materials in small quantities to rotary pad printing. This method involves wrapping and fixing a thin plate-shaped photosensitive resin plate around the circumference of a short cylindrical or short cylindrical rotating body, making the plate cylinder inexpensive.
しかし板状樹脂版を胴体周部に巻付け固定する
場合には、幾つかの問題点がある。即ち樹脂版の
両側が重なり合うと段部が生じ、ドクターブレー
ドが引掛る。また両側を段部が生じぬように合わ
せ、胴体周部に接着固定することも考えられるが
それでは樹脂版の交換作業に手間取るし、接着強
度の不安もある。さらに上記いずれの場合も、段
部や合せ目に残るインキが、パツドを介して被印
刷物に転移・印刷されてしまう、等の問題であ
る。 However, there are several problems when wrapping and fixing the plate-shaped resin plate around the circumference of the body. That is, when both sides of the resin plate overlap, a stepped portion is created and the doctor blade gets caught. It is also conceivable to align both sides so as not to create a stepped part and then glue and fix them to the periphery of the body, but this would take time to replace the resin plate and there are concerns about the strength of the adhesive. Furthermore, in any of the above cases, there is a problem that ink remaining at the stepped portions or seams is transferred to and printed on the printing material via the pad.
本考案の目的は、上記の如き問題点を解決し
て、従来の高価な鋼製版胴に代えて板状樹脂版を
使用可能とし、もつて回転式パツド印刷コストの
大幅な低減を図れる回転式パツド印刷機を提供す
ることにある。 The purpose of this invention is to solve the above-mentioned problems, to make it possible to use a plate-shaped resin plate instead of the conventional expensive steel plate cylinder, and to significantly reduce the cost of rotary pad printing. Our objective is to provide a type pad printing machine.
ロ 考案の構成
ａ 問題点を解決するための手段
本考案に係る回転式パツド印刷機は、
下部がインキトレイ１中でインキ２に浸りなが
ら回転する版胴３と、該版胴３の周面に摺接して
余分なインキ２を掻き取るドクターブレード４
と、前記版胴３に接しながら同期回転してインキ
２を転移され、かつ被印刷物５に接してそのイン
キ２を転移させる回転パツド６とを有する回転式
パツド印刷機において、
前記版胴３を、回転胴体７とその周部に巻付け
た板状の樹脂版８とで構成し、該樹脂版８の重ね
合せ部９を、胴体７周部に軸１０と平行状に設け
た凹溝１１内で押え板１２にて固定し、
前記ドクターブレード４を、前記樹脂版８の重
ね合せ部９の位置では離脱可能に、版胴３の軸１
０とカム１３を介して連動させるようにしたもの
である。B. Structure of the invention a Means for solving the problems The rotary pad printing machine according to the invention includes a plate cylinder 3 whose lower part rotates while being immersed in ink 2 in an ink tray 1, and a peripheral surface of the plate cylinder 3. A doctor blade 4 that scrapes off excess ink 2 by sliding on the
and a rotary pad 6 which synchronously rotates while in contact with the plate cylinder 3 to transfer the ink 2, and which contacts the printing substrate 5 and transfers the ink 2, wherein the plate cylinder 3 is , is composed of a rotating body 7 and a plate-shaped resin plate 8 wrapped around the circumference thereof, and the overlapping part 9 of the resin plate 8 is a groove 11 provided in the circumference of the body 7 parallel to the axis 10. The doctor blade 4 is fixed with a presser plate 12 inside the plate cylinder 3, and the doctor blade 4 is removable at the position of the overlapping part 9 of the resin plate 8, and the shaft 1 of the plate cylinder 3 is fixed.
0 through a cam 13.
上記構成において、回転胴体７は金属製でも樹
脂製でもよく、また短円柱状でも短円筒状のもの
でもよい。板状の樹脂版８は例えば感光性樹脂を
材料とした凹版であり、胴体７の外周よりやや長
めとして、胴体７へ巻付け時に重ね合せ部９を生
ずるようにする。重ね合せ部９を胴体７の凹溝１
１内で固定する押え板１２は、例えば小ネジその
他の止め具１５で胴体７に固定すればよい。 In the above configuration, the rotating body 7 may be made of metal or resin, and may have a short cylindrical shape or a short cylindrical shape. The plate-shaped resin plate 8 is, for example, an intaglio plate made of photosensitive resin, and is made slightly longer than the outer circumference of the body 7 so that an overlapping portion 9 is formed when it is wrapped around the body 7. The overlapping part 9 is inserted into the concave groove 1 of the body 7.
The presser plate 12 to be fixed within the body 7 may be fixed to the body 7 using, for example, machine screws or other fasteners 15.
ドクターブレード４が離脱作動するためには、
例えば図示例の如く該ブレード４を可回動軸１６
に装着するとともに、該軸１６にてこ１７を取付
け、他方版胴３の軸１０に板カム１３を軸装す
る。この版胴３の軸１０の回転により、カム１
３・てこ１７・可回動軸１６を介してブレード４
を揺動させればよい。なおドクターブレード４
は、傷つきやすい樹脂版８を保護するため、例え
ば円柱カム２５を介して版胴３の軸１０と平行状
に往復動させることが望しい。 In order for the doctor blade 4 to operate in a detached manner,
For example, as shown in the figure, the blade 4 is moved around the rotatable shaft 16.
At the same time, a lever 17 is attached to the shaft 16, and a plate cam 13 is mounted on the shaft 10 of the plate cylinder 3. This rotation of the shaft 10 of the plate cylinder 3 causes the cam 1 to
3. Blade 4 via lever 17 and rotatable shaft 16
All you have to do is oscillate it. In addition, Doctor Blade 4
In order to protect the resin plate 8, which is easily damaged, it is desirable to reciprocate it parallel to the axis 10 of the plate cylinder 3 via, for example, a cylindrical cam 25.
回転パツド６は、円筒形・円柱形あるいは外周
寄りほど横幅厚が小さい回転体等であり、少なく
ともその外周部は例えばシリコンゴムの如き弾性
材製である。そして該パツド６周部の凹欠部１４
の大きさは、樹脂版８の重ね合せ部９より大きく
形成してある。 The rotating pad 6 has a cylindrical shape, a cylindrical shape, or a rotating body whose width is smaller toward the outer periphery, and at least the outer periphery thereof is made of an elastic material such as silicone rubber. And a concave notch 14 on the circumference of the pad 6
The size of the resin plate 8 is larger than the overlapping portion 9 of the resin plate 8.
図において、１８は駆動用モータ、１９は伝動
手段としての歯付ベルトで、前記版胴３および回
転パツド６を、それらの軸１０，２０上の歯付プ
ーリ２１，２２を介して同期回転させるものであ
る。２３は版胴側面の掻き棒、２４は被印刷物の
支持具であるが、円筒形・円柱形・球形等の被印
刷物５では中心線の周りに可回転に支持し、また
平面状の被印刷物５では、ベルトコンベアやスラ
イドテーブル等で移動可能に支持させる。なお回
転パツド６と支持具２４間の間隔は、被印刷物５
の高さに応じて押圧調節用に、ネジ棒やシリンダ
等により可変にしてある。 In the figure, 18 is a drive motor, and 19 is a toothed belt as a transmission means, which rotates the plate cylinder 3 and rotating pad 6 synchronously via toothed pulleys 21 and 22 on their shafts 10 and 20. It is something. Reference numeral 23 denotes a scraping bar on the side surface of the plate cylinder, and 24 is a support for the printing material. For printing material 5 having a cylindrical, cylindrical, or spherical shape, it is rotatably supported around the center line, and for flat printing material 5. 5, it is movably supported by a belt conveyor, a slide table, or the like. Note that the distance between the rotating pad 6 and the support 24 is the same as that of the printing material 5.
It is made variable using a threaded rod, cylinder, etc. to adjust the pressure according to the height.
ｂ 作用
本考案の使用および作動状態は次の如くであ
る。b. Function The use and working conditions of the present invention are as follows.
まず版胴３は、前記の如く樹脂版８を回転胴体
７周部に巻付け、重ね合せ部９を胴体７の凹溝１
１へ嵌入れて、押え板１２で押えた状態で止め具
１５で固定すればよく、確実に固定される。 First, the plate cylinder 3 is made by wrapping the resin plate 8 around the circumference of the rotating body 7 as described above, and attaching the overlapping part 9 to the concave groove 1 of the body 7.
1, and then fixed with the stopper 15 while being held down with the presser plate 12, and it is securely fixed.
被印刷物５は、それが円筒形や球形状のもので
は、印刷されるべき周面が回転パツド６の周面と
接する状態で可回転に保持具２４で保持する。ま
た平面状やそれに近いものでは、印刷されるべき
面が回転パツド６周面と接する状態で移動可能に
載置する。次にモータ１８を駆動すると、伝動手
段１９を介して各軸１０，２０が回転し、版胴
３・回転パツド６が同期的に回転する。そのため
従来の回転式パツド印刷機と同様に、一部をイン
キトレイ１のインキ２に浸しながら回転する版胴
３の周面にインキ２が付着し、ドクターブレード
４で余分なインキ２を掻き取られた後、残つたイ
ンキ２は版胴３と接して回転する回転パツド６周
面に転移する。その後インキ２は、回転パツド６
と接し同期的に回転または移動する被印刷物５へ
転移され、パツド印刷が行われる。 If the printing material 5 is cylindrical or spherical, it is rotatably held by a holder 24 with the circumferential surface to be printed in contact with the circumferential surface of the rotary pad 6 . In addition, in the case of a planar shape or something similar to the planar shape, it is movably placed so that the surface to be printed is in contact with the circumferential surface of the rotary pad 6. Next, when the motor 18 is driven, the respective shafts 10 and 20 are rotated via the transmission means 19, and the plate cylinder 3 and rotating pad 6 are rotated synchronously. Therefore, as with conventional rotary pad printing machines, ink 2 adheres to the circumferential surface of the rotating plate cylinder 3 while partially immersed in the ink 2 of the ink tray 1, and the excess ink 2 is scraped off with the doctor blade 4. After the ink 2 is removed, the remaining ink 2 is transferred to the circumferential surface of the rotary pad 6 which rotates in contact with the plate cylinder 3. After that, the ink 2 is applied to the rotating pad 6.
The printing material 5 is transferred to the printing material 5 which contacts and rotates or moves synchronously, and pad printing is performed.
上記場合に、本考案の版胴３は周部に板状の樹
脂版８を巻付け、重ね合せ部９を胴体７の凹溝１
１内で固定してある。そのため版胴３周部に段部
が生じるが、本考案のドクターブレード４は重ね
合せ部９に対応して離脱可能に揺動する。それゆ
え、ドクターブレード４は重ね合せ部９の段部に
引掛ることなく、版胴３周部の余分なインキ２を
掻き落せる。 In the above case, the plate cylinder 3 of the present invention has a plate-shaped resin plate 8 wrapped around its periphery, and the overlapping part 9 is connected to the groove 1 of the body 7.
It is fixed within 1. As a result, a stepped portion is formed around the periphery of the plate cylinder 3, but the doctor blade 4 of the present invention swings in a detachable manner corresponding to the overlapping portion 9. Therefore, the doctor blade 4 can scrape off the excess ink 2 from the circumference of the plate cylinder 3 without getting caught on the stepped portion of the overlapped portion 9.
また版胴３の重ね合せ部９に対応して、回転パ
ツド６の周部に凹欠部１４を形成してある。その
ため、重ね合せ部９に付着しているインキ２は回
転パツド６に転移されず、したがつてそれが被印
刷物５に転移されることもない。 Further, a recessed notch 14 is formed in the circumferential portion of the rotary pad 6 in correspondence with the overlapping portion 9 of the plate cylinder 3. Therefore, the ink 2 adhering to the overlapping portion 9 is not transferred to the rotary pad 6, and therefore is not transferred to the printing substrate 5.
なお樹脂版８を交換する場合には、押え板１２
を外せばよく、容易・迅速に交換できる。 Note that when replacing the resin plate 8, the presser plate 12
All you have to do is remove it, and it can be replaced easily and quickly.
ハ 考案の効果
以上で明かな如く本考案によれば、回転式パツ
ド印刷機の版胴に、板状の樹脂版を用いることが
できる。C. Effects of the invention As is clear from the above, according to the invention, a plate-shaped resin plate can be used for the plate cylinder of a rotary pad printing machine.
即ち、本考案の版胴は板状の樹脂版を胴体に巻
付け、重ね合せ部を胴体の凹溝内で押え板を介し
て固定してある。そのため、樹脂版は確実に取付
けられるとともに、交換も容易・迅速に行なうこ
とができる。 That is, in the plate cylinder of the present invention, a plate-shaped resin plate is wrapped around the body, and the overlapped portion is fixed within the concave groove of the body via a presser plate. Therefore, the resin plate can be reliably attached and can be replaced easily and quickly.
またドクターブレードは、樹脂版の重ね合せ部
の位置で離脱するよう揺動可能にしてある。それ
ゆえ、版胴に樹脂版の重ね合せ部による段部があ
つても、ドクターブレードがそれに引掛つてブレ
ードを剥したり、損傷するようなことはない。 Further, the doctor blade is swingable so as to be detached at the position where the resin plates overlap. Therefore, even if the plate cylinder has a step formed by overlapping resin plates, the doctor blade will not get caught on it and the blade will not be peeled off or damaged.
さらに回転パツドは、樹脂版の重ね合せ部に対
応する位置に凹欠部を形成してある。そのため、
重ね合せ部に付着したままの余分なインキは回転
パツドに転移せず、それが被印刷物へ転移・印刷
されることもない。 Furthermore, the rotary pad has a recessed notch formed at a position corresponding to the overlapped portion of the resin plates. Therefore,
Excess ink that remains attached to the overlapped portion is not transferred to the rotating pad, nor is it transferred to or printed on the printing material.
したがつて本考案は上記の如く、回転式パツド
印刷機において、従来の高価な鋼製の版胴に代え
て安価な板状樹脂版を使用することができ、版胴
の製造コストひいてはパツド印刷コストを大幅に
低減することができる。 Therefore, as described above, the present invention enables the use of an inexpensive plate-shaped resin plate in place of the conventional expensive steel plate cylinder in a rotary pad printing machine, thereby reducing the manufacturing cost of the plate cylinder and the pad printing. Costs can be significantly reduced.
図は本考案の実施例を示すもので、第１図は回
転式パツド印刷機の一部切欠正面図、第２図は一
部切欠背面図、第３図は一部横断平面図で、第４
図は版胴の縦断斜視図、第５図は回転パツドの縦
断斜視図である。
図面符号１……インキトレイ、２……インキ、
３……版胴、４……ドクターブレード、５……被
印刷物、６……回転パツド、７……回転胴体、８
……樹脂版、９……重ね合せ部、１０……軸、１
１……凹溝、１２……押え板、１３……カム、１
４……凹欠部。
The figures show an embodiment of the present invention, in which Figure 1 is a partially cutaway front view of a rotary pad printing machine, Figure 2 is a partially cutaway rear view, Figure 3 is a partially cutaway plan view, and Figure 3 is a partially cutaway front view of a rotary pad printing machine. 4
The figure is a vertical perspective view of the plate cylinder, and FIG. 5 is a vertical perspective view of the rotary pad. Drawing code 1... Ink tray, 2... Ink,
3... Plate cylinder, 4... Doctor blade, 5... Printing substrate, 6... Rotating pad, 7... Rotating body, 8
... Resin plate, 9 ... Overlapping part, 10 ... Shaft, 1
1... Concave groove, 12... Holding plate, 13... Cam, 1
4...Recessed part.
Claims (1)
ら回転する版胴３と、該版胴３の周面に摺接して
余分なインキ２を掻き取るドクターブレード４
と、前記版胴３に接しながら同期回転してインキ
２を転移され、かつ被印刷物５に接してそのイン
キ２を転移させる回転パツド６とを有する回転式
パツド印刷機において、 前記版胴３を、回転胴体７とその周部に巻付け
た板状の樹脂版８とで構成し、該樹脂版８の重ね
合せ部９を、胴体７周部に軸１０と平行状に設け
た凹溝１１内で押え板１２にて固定し、 前記ドクターブレード４を、前記樹脂板８の重
ね合せ部９の位置では離脱可能に、版胴３の軸１
０とカム１３を介して連動させるようにしたこと
を特徴とする、回転式パツド印刷機。[Claims for Utility Model Registration] A plate cylinder 3 whose lower part rotates while being immersed in ink 2 in an ink tray 1, and a doctor blade 4 which slides on the circumferential surface of the plate cylinder 3 and scrapes off excess ink 2.
and a rotary pad 6 which synchronously rotates while in contact with the plate cylinder 3 to transfer the ink 2, and which contacts the printing substrate 5 and transfers the ink 2, wherein the plate cylinder 3 is , is composed of a rotating body 7 and a plate-shaped resin plate 8 wrapped around the circumference thereof, and the overlapping part 9 of the resin plate 8 is a groove 11 provided in the circumference of the body 7 parallel to the axis 10. The doctor blade 4 is fixed with a presser plate 12 within the plate cylinder 3, and the doctor blade 4 is releasably attached to the shaft 1 of the plate cylinder 3 at the position of the overlapping portion 9 of the resin plate 8.
1. A rotary pad printing machine characterized by being interlocked with a cam 13 and a cam 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986111210U JPH0312509Y2 (en) | 1986-07-19 | 1986-07-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986111210U JPH0312509Y2 (en) | 1986-07-19 | 1986-07-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6318241U JPS6318241U (en) | 1988-02-06 |
| JPH0312509Y2 true JPH0312509Y2 (en) | 1991-03-25 |
Family
ID=30990920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986111210U Expired JPH0312509Y2 (en) | 1986-07-19 | 1986-07-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0312509Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5842837A (en) * | 1981-08-29 | 1983-03-12 | オ−トモ−チブ・プロダクツ・ピ−エルシ− | Clutch driving disk |
| JPS5962151A (en) * | 1982-11-02 | 1984-04-09 | Noda Plywood Mfg Co Ltd | Printer for gravure-offset printing on building material |
-
1986
- 1986-07-19 JP JP1986111210U patent/JPH0312509Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5842837A (en) * | 1981-08-29 | 1983-03-12 | オ−トモ−チブ・プロダクツ・ピ−エルシ− | Clutch driving disk |
| JPS5962151A (en) * | 1982-11-02 | 1984-04-09 | Noda Plywood Mfg Co Ltd | Printer for gravure-offset printing on building material |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6318241U (en) | 1988-02-06 |
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