JPH082434B2 - Application method - Google Patents
Application methodInfo
- Publication number
- JPH082434B2 JPH082434B2 JP7639988A JP7639988A JPH082434B2 JP H082434 B2 JPH082434 B2 JP H082434B2 JP 7639988 A JP7639988 A JP 7639988A JP 7639988 A JP7639988 A JP 7639988A JP H082434 B2 JPH082434 B2 JP H082434B2
- Authority
- JP
- Japan
- Prior art keywords
- coating
- liquid
- web
- roller
- thick
- 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 - Fee Related
Links
- 238000000034 method Methods 0.000 title claims description 16
- 238000000576 coating method Methods 0.000 claims description 122
- 239000011248 coating agent Substances 0.000 claims description 110
- 238000005086 pumping Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 39
- 239000000463 material Substances 0.000 description 5
- -1 polyethylene Polymers 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 238000007761 roller coating Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000007611 bar coating method Methods 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229920001747 Cellulose diacetate Polymers 0.000 description 1
- 229920002284 Cellulose triacetate Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 1
- 238000007754 air knife coating Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000007766 curtain coating Methods 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007765 extrusion coating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は写真用フイルム・印画紙等の写真感光材料や
写真製版材料，磁気録音テープ等の磁気記録材料・感圧
記録紙，感熱記録紙等記録材料の製造において連続走行
する長尺可撓性支持体（以下、「ウエブ」と称する）に
液状塗布組成物を塗布する工程の改良に関し、更に詳し
くは改良されたバー塗布方法及びローラ塗布方法に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to photographic photosensitive materials such as photographic films and photographic papers, photoengraving materials, magnetic recording materials such as magnetic recording tapes, pressure-sensitive recording papers, and heat-sensitive recording papers. The present invention relates to an improvement in a process for applying a liquid coating composition to a continuously running long flexible support (hereinafter, referred to as a "web") in the production of a recording material, and more particularly to an improved bar coating method and roller coating. It is about the method.
従来より連続走行しているウエブに塗布液を塗布する
方法としては、各種の方法が提案されて来た。一般に塗
布工程は、ウエブに塗布液を転移せしめる部分（以下、
「アプリケーション系」という。）とウエブに転移され
た塗布液を所望の塗布量に計量する部分（以下、「計量
系」という。）とに分けて考えられるため、塗布方法は
アプリケーション系、計量系の相違により分類されてい
た。Conventionally, various methods have been proposed as a method of applying a coating solution to a continuously running web. Generally, in the coating process, a portion that transfers the coating liquid to the web (hereinafter,
It is called "application system". ) And a portion for measuring the coating liquid transferred to the web to a desired coating amount (hereinafter referred to as “measuring system”), the coating method is classified according to the difference between the application system and the measuring system. It was
アプリケーション系の相違に基づいて、ローラ塗布
法、ディップ塗布法、ファウンテン塗布法等、計量系の
相違に基づいて、エアーナイフ塗布法、ブレード塗布
法、バー塗布法等が知られていた。またアプリケーショ
ンと計量とを同一の部分で担当するものとして、エクス
トルージョン塗布法、ビード塗布法、カーテン塗布法が
知られていた。The roller coating method, the dip coating method, the fountain coating method and the like have been known based on the difference in the application system, and the air knife coating method, the blade coating method, the bar coating method and the like have been known based on the difference in the measuring system. In addition, the extrusion coating method, the bead coating method, and the curtain coating method have been known as those in charge of application and measurement in the same portion.
これらの塗布法のうち、バー塗布方法又はローラ塗布
方法は過剰の塗布液をウエブに転移させたのち、静止も
しくはウエブと逆方向にこれより遅い周速度で回転して
いるバー又はローラにより過剰の塗布液を掻き落とし、
所望の塗布量とするものであり、簡単な装置、操作によ
り高速で薄層な塗布が実現しうるという特徴を有するた
め、広く用いられていた。Of these coating methods, the bar coating method or the roller coating method transfers excess coating liquid to the web, and then the excess coating liquid is applied by a bar or roller that is stationary or is rotating at a lower peripheral speed in the opposite direction to the web. Scrape off the coating liquid,
It has been widely used because it has a characteristic that a desired amount of coating can be obtained, and a high-speed and thin-layer coating can be realized by a simple apparatus and operation.
例えば第５図は本発明に係る従来の塗布装置用コーテ
ィングロッドを用いたバー塗布装置（特開昭53−2254号
公報）の一例を示す概略図であり、連続的に走行せしめ
られているウエブ１と同方向もしくは逆方向にコーティ
ングロッド２が回転せしめられている。３はバー支持部
材でバー２の全長にわたり設けられ、バー２にたわみが
生ずるのを防止すると共にバー２へ塗布液４を供給する
給液器としての機能を備えている。すなわち塗布液４は
バー支持部材３に設けられた給液口５より堰部材６との
間に形成された給液案内溝７内に供給され、回転するバ
ー２によってピックアップされウエブ１に塗布される
が、この際、ウエブ１とバー２との接触部において塗布
液４の計量がおこなわれて所望の塗布量のみがウエブ１
に塗布され、他は流下して新たに供給された塗布液４と
共に液溜り８が形成される。したがって定常状態におい
ては、塗布液４は液溜り８を介してウエブ１に塗布され
ることになる。For example, FIG. 5 is a schematic view showing an example of a bar coating device (Japanese Patent Laid-Open No. 53-2254) using a coating rod for a conventional coating device according to the present invention, and a web which is continuously run. The coating rod 2 is rotated in the same direction or in the opposite direction to 1. A bar supporting member 3 is provided over the entire length of the bar 2, and has a function as a liquid feeder that prevents the bar 2 from being bent and supplies the coating liquid 4 to the bar 2. That is, the coating liquid 4 is supplied from the liquid supply port 5 provided in the bar support member 3 into the liquid supply guide groove 7 formed between the bar support member 3 and the dam member 6, and is picked up by the rotating bar 2 and applied to the web 1. However, at this time, the coating liquid 4 is measured at the contact portion between the web 1 and the bar 2 so that only the desired coating amount is obtained.
And the others flow down to form a liquid pool 8 together with the newly supplied coating liquid 4. Therefore, in a steady state, the coating liquid 4 is applied to the web 1 via the liquid pool 8.
ローラコート方法は第２図に示すように連続走行する
ウエブ１をサポートローラ13が支持し、液受け16の中の
液はピックアップローラ15によってコーティングローラ
14に転移され、コーティングローラ14よりウエブ１上に
塗布される方式である。In the roller coating method, as shown in FIG. 2, the support roller 13 supports the continuously running web 1, and the liquid in the liquid receiver 16 is coated by the pickup roller 15 by the coating roller.
It is a system in which it is transferred to 14 and applied onto the web 1 from the coating roller 14.
しかしながら、塗布の開始，終了時においてコーティ
ングロッドもしくはローラとウエブがコータ上下台等の
上昇もしくは下降により接する際もしくは離れる際、コ
ーティングロッドもしくはローラ上の液が計量されない
のでウエブ上に塗布される結果著しい厚塗りとなる問題
があった。この著しい厚塗りは塗布液の物性，コーティ
ングロッドあるいはローラ等の形状，ウエブの種類によ
り異なるが、定常部分に比し、５倍以上の厚塗りとなる
こともあり、乾燥ゾーンで乾かず注意と対策を怠ると後
のローラを著しく汚すことになり、その後で通る製品に
付着する等して、商品の損失をまねいた。However, when the coating rod or roller and the web come into contact with or separate from each other by the rise or fall of the coater upper or lower table at the start or end of the coating, the liquid on the coating rod or roller is not measured, so that the coating on the web is remarkable. There was a problem of thick coating. This remarkable thick coating will vary depending on the physical properties of the coating liquid, the shape of the coating rod or roller, and the type of web, but it may be 5 times or more thicker than the steady portion, so be careful not to dry in the drying zone. If the countermeasures are neglected, the subsequent roller will be significantly soiled, and it will adhere to the product that passes after that, resulting in product loss.
本発明の目的は上記問題点を解消し、ローラの汚し、
製品の付着をなくし安定した塗布方法を提供することに
ある。The object of the present invention is to solve the above problems, to contaminate the roller,
It is to provide a stable application method by eliminating product adhesion.
本発明の上記目的は、連続走行する長尺可撓性支持体
にコーティングロッドあるいはコーティングローラを用
いて塗布する方法において、塗布開始時および塗布終了
時に発生する厚塗を防止するために、塗布液を送るポン
プによる送液を塗り付け直前に一時的に、又塗り終わり
時の直前に停止することを特徴とする塗布方法によって
達成される。The above-mentioned object of the present invention is a method of applying a coating rod or coating roller to a continuously running long flexible support in order to prevent thick coating at the start and end of coating. It is achieved by a coating method characterized in that the liquid feeding by a pump for feeding is stopped temporarily just before the application and immediately before the end of the application.
本発明における連続走行するウエブとしては、紙、プ
ラスチックフイルム、レジンコーティッド紙、アルミニ
ウムウエブ、合成紙等が包含される。プラスチックフイ
ルムの材質は、たとえば、ポリエチレン、ポリプロピレ
ン等のポリオレフィン、ポリ酢酸ビニル、ポリ塩化ビニ
ル、ポリスチレン等のピニル重合体、6,6−ナイロン、
６−ナイロン等のポリアミド、ポリエチレンテレフタレ
ート、ポリエチレン−2,6−ナフタレート等のポリエス
テル、ポリカーボネート、セルローストリアセテート、
セルロースダイアセテート等のセルロースアセテート等
が使用される。またレジンコーティッド紙に用いる樹脂
としては、ポリエチレンをはじめとするポリオレフィン
が代表的であるが、必ずしもこれに限定されない。The continuously running web in the present invention includes paper, plastic film, resin coated paper, aluminum web, synthetic paper and the like. The material of the plastic film is, for example, polyolefin such as polyethylene or polypropylene, pinyl polymer such as polyvinyl acetate, polyvinyl chloride or polystyrene, 6,6-nylon,
Polyamide such as 6-nylon, polyethylene terephthalate, polyester such as polyethylene-2,6-naphthalate, polycarbonate, cellulose triacetate,
Cellulose acetate such as cellulose diacetate is used. A typical resin used for the resin coated paper is a polyolefin such as polyethylene, but the resin is not limited to this.
ウエブの厚みも特に限定されないが、0.01mm〜1.0mm
程度のものが、取扱い，汎用性より見て有利である。Although the thickness of the web is not particularly limited, it is 0.01 mm to 1.0 mm.
Some are more advantageous than handling and versatility.
本発明における塗布液を送るポンプによる送液を塗り
付け直前に一時的に、又塗り終り時の直前に停止すると
いうことは、塗布開始時又は終了時、即ちコーティング
ロッドもしくはローラとウエブがコーター上下台等の上
昇もしくは下降により接する際もしくは離れる際、コー
ティングロッドもしくはローラ表面が濡れてはいるが、
塗布液が補給されていない状態において行うことをい
う。塗布開始時はコーティングロッドもしくはローラが
接し終った直後にポンプを再作動し規定の塗布量にす
る、塗布終了時は終了直前にポンプ送液をとめ補給量が
減じた時点でコーティングロッドもしくはローラをウエ
ブより離すことをいう。Stopping the liquid supply by the pump for supplying the coating liquid in the present invention temporarily immediately before coating and immediately before the end of coating means that the coating rod or the roller and the web move up and down the coater. The surface of the coating rod or roller is wet when it comes in contact with or moves away from the table by ascending or descending.
It means that it is performed in a state where the coating liquid is not replenished. At the start of coating, immediately after the coating rod or roller has finished contacting, the pump is restarted to achieve the specified coating amount.At the end of coating, the pumping liquid is stopped immediately before the coating liquid is stopped and the coating rod or roller is stopped when the replenishment amount is reduced Separated from the web.
本発明において、塗布液を送るポンプによる送液を塗
り付け直前に一時的に及び塗り終わり時の直前に停止す
ることにより、塗り付け直前にウエブが塗布液に接する
際はコーティングロッドもしくはローラには極めて薄い
塗布液が付着しているのみの状態になるので、厚塗りに
はならない。しかし直ちに塗布液を補給しないと所望の
塗布膜厚が得られないので一時的にとめることが重要で
ある。In the present invention, by stopping the liquid feeding by the pump for feeding the coating liquid temporarily just before coating and immediately before the end of coating, when the web comes into contact with the coating liquid immediately before coating, the coating rod or roller is Since only a very thin coating solution is attached, thick coating is not possible. However, if the coating solution is not immediately replenished, the desired coating thickness cannot be obtained, so it is important to temporarily stop the coating.
又塗布終了に当ってコーティングロッドもしくはロー
ラをウエブより離脱する場合はその直前にポンプによる
液の補給を停止することにより、離脱時に塗布液が補給
されないので厚塗りを防止することが出来る。Further, when the coating rod or roller is detached from the web at the end of coating, the supply of the liquid by the pump is stopped immediately before that, so that the coating liquid is not replenished at the time of detachment, so that thick coating can be prevented.
実施例−１ 塗布液・・・下記成分で粘度5cps溶液 アクリル酸系共重合ポリマー:10部 メチルグリコール:78.8部 メタノール:10部 染料:0.1部 第１図に示すような装置を用いて、ポリエチレンテレ
フタレートフイルムをウエブ１として塗布速度70m/min
で走行させ、塗り付ける前に5secポンプ12の送液を停止
させ、その後コーター上下台８を上昇させ2sec以内に塗
り付けを行なった。塗布塗付部のパターンの平面図は第
３図（b1）に示す通り、塗布開始時の厚塗率（a1）は最
大15％であった。Example-1 Coating solution: Viscosity 5 cps solution with the following components: Acrylic acid-based copolymer: 10 parts Methyl glycol: 78.8 parts Methanol: 10 parts Dye: 0.1 parts Using the apparatus shown in FIG. Coating speed 70m / min with terephthalate film as web 1
The coating liquid was run for 5 seconds, the liquid feed of the pump 12 was stopped before the application, and then the coater upper and lower base 8 was raised to apply the application within 2 seconds. As shown in the plan view of the pattern of the coating / applying part as shown in FIG. 3 (b 1 ), the thick coating rate (a 1 ) at the start of coating was 15% at maximum.
厚塗率の定義は以下のとうりである。 The definition of the thick coating rate is as follows.
次に定常的に塗布している最中に、1secポンプを止め
ポンプ停止後3sec後にコーターを下降させ塗布を終了し
た。そのときの塗布終了時のパターンは第３図の（a2）
（b2）のようになり、（a2）は塗布終了時の厚塗り率、
（b2）は塗布終了時のウエブ走行面の状況を説明する平
面図である。厚塗はほとんど生じないことがわかった。 Next, during steady application, the pump was stopped for 1 second, and 3 seconds after the pump was stopped, the coater was lowered to complete the application. The pattern at the end of coating at that time is (a 2 ) in Fig. 3.
It becomes like (b 2 ), (a 2 ) is the thick coating rate at the end of coating,
(B 2 ) is a plan view for explaining the condition of the web running surface at the end of coating. It was found that thick coating hardly occurred.
比較例−１ 全く同一の塗布液を同一装置でポンプのON,OFF動作な
し以外は全く同一の操作で塗布の開始と終了を行った。
このときの長手方向の厚塗布の分布は、それぞれ第４図
のようになり、厚塗率は（a1）は塗布開始時の厚塗率，
塗布開始時にはウエブ20mm位が2.0,（a2）は塗布終了時
の厚塗率，塗布終了時にはウエブ30mm亘って2.3となり
はるかに大きい結果であった。Comparative Example-1 The same coating solution was used to start and end the coating in the same apparatus except that the pump was not turned on and off.
The distribution of the thick coating in the longitudinal direction at this time is as shown in Fig. 4, and the thick coating rate (a 1 ) is the thick coating rate at the start of coating,
At the start of coating, the web 20 mm was 2.0, (a 2 ) was a thick coating rate at the end of coating, and at the end of coating, it was 2.3 over 30 mm of the web, which was a much larger result.
本発明は連続走行する長尺可撓性支持体にコーティン
グロッドあるいはコーティングローラを用いて塗布する
方法において、塗布開始時および塗布終了時に発生する
厚塗を防止するために、塗布液を送るポンプによる送液
を塗り付け直前に一時的に、又塗り終わり時の直前に停
止することを特徴とする塗布方法により塗布開始時及び
塗布終了時の厚塗りを防止し、ローラーを汚したりウエ
ブの付着する事故をなくし、塗布・乾燥の生産性，得率
の上昇に貢献した。The present invention is a method of applying a coating rod or a coating roller to a continuously running long flexible support by using a pump for feeding a coating solution in order to prevent thick coating at the start and end of coating. Prevents thick coating at the start and end of coating by a coating method characterized by stopping the liquid transfer immediately before coating and immediately before the end of coating, and stains the rollers and adheres the web. It has eliminated accidents and contributed to higher productivity and yield of coating and drying.
第１及び第２図は本発明の塗布方法に係わる１実施例の
塗布装置の側面部分断面図、第３図は本発明の塗布方法
による厚塗り率（a1）（a2）及びウエブの塗布面の状況
を示す（b1）（b2）、第４図は従来の塗布方法による厚
塗り率、塗布開始時（a1）塗布終了時（a2）、第５図は
従来の塗布方法に係わる塗布装置の側面断面図である。 １……ウエブ ２……コーティングロッド（バー） ３……バー支持部材 ４……塗布液、５……供給口 ６……堰部分、７……給液案内溝 ８……液溜り 9a,9b……バックアップローラ 10……塗布済みウエブ 11……送液管、12……ポンプ 13……サポートローラ 14……コーティングローラ 15……ピックアップローラ 16……液受け1 and 2 are partial side sectional views of a coating apparatus according to one embodiment of the coating method of the present invention, and FIG. 3 shows thick coating ratios (a 1 ) (a 2 ) and webs according to the coating method of the present invention. Fig. 4 shows the state of the coated surface (b 1 ) (b 2 ), Fig. 4 shows the thick coating rate according to the conventional coating method, at the start of coating (a 1 ) at the end of coating (a 2 ), and Fig. 5 shows conventional coating. It is a side surface sectional view of the coating device concerning a method. 1 ... Web 2 ... Coating rod (bar) 3 ... Bar support member 4 ... Coating liquid, 5 ... Supply port 6 ... Weir part, 7 ... Liquid supply guide groove 8 ... Liquid pool 9a, 9b …… Backup roller 10 …… Coated web 11 …… Liquid supply pipe, 12 …… Pump 13 …… Support roller 14 …… Coating roller 15 …… Pickup roller 16 …… Liquid receiver
Claims (1)
ングロッドあるいはコーティングローラを用いて塗布す
る方法において、塗布開始時および塗布終了時に発生す
る厚塗を防止するために、塗布液を送るポンプによる送
液を塗り付け直前に一時的に、又塗り終わり時の直前に
停止することを特徴とする塗布方法。1. A method of applying a coating rod or a coating roller to a continuously running long flexible support to feed a coating solution in order to prevent thick coating occurring at the start of coating and at the end of coating. A coating method characterized in that the pumping is stopped temporarily just before coating and immediately before the end of coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7639988A JPH082434B2 (en) | 1988-03-31 | 1988-03-31 | Application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7639988A JPH082434B2 (en) | 1988-03-31 | 1988-03-31 | Application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01249169A JPH01249169A (en) | 1989-10-04 |
| JPH082434B2 true JPH082434B2 (en) | 1996-01-17 |
Family
ID=13604210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7639988A Expired - Fee Related JPH082434B2 (en) | 1988-03-31 | 1988-03-31 | Application method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH082434B2 (en) |
-
1988
- 1988-03-31 JP JP7639988A patent/JPH082434B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01249169A (en) | 1989-10-04 |
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