JPH0541811Y2 - - Google Patents
Info
- Publication number
- JPH0541811Y2 JPH0541811Y2 JP9225988U JP9225988U JPH0541811Y2 JP H0541811 Y2 JPH0541811 Y2 JP H0541811Y2 JP 9225988 U JP9225988 U JP 9225988U JP 9225988 U JP9225988 U JP 9225988U JP H0541811 Y2 JPH0541811 Y2 JP H0541811Y2
- Authority
- JP
- Japan
- Prior art keywords
- coating liquid
- liquid level
- section
- coating
- flow rate
- 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
- 239000007788 liquid Substances 0.000 claims description 150
- 239000011248 coating agent Substances 0.000 claims description 90
- 238000000576 coating method Methods 0.000 claims description 90
- 238000001514 detection method Methods 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920000298 Cellophane Polymers 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Landscapes
- Coating Apparatus (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は、塗布液供給源からロールコーターの
塗布液溜に供給される塗布液の液位を予め定めた
一定液位に制御し供給する塗布液供給装置に関す
る。[Detailed description of the invention] (Field of industrial application) This invention controls and supplies the liquid level of the coating liquid supplied from the coating liquid supply source to the coating liquid reservoir of the roll coater to a predetermined constant liquid level. The present invention relates to a coating liquid supply device.
（従来の技術）
従来、この種の塗布液供給装置としては、例え
ば、第２図に示したような装置が広く一般的に採
用されている。この塗布液供給装置は、静電容量
式近接スイツチａによりロールコーターｂの塗布
液溜ｃの液位を検出し、液位の偏差が正か負かに
よつて流量調節弁ｄを全開か全閉かの位置をとる
所謂0N−OFF動作により液位を制御するもので
ある。(Prior Art) Conventionally, as this type of coating liquid supply device, for example, a device as shown in FIG. 2 has been widely and generally employed. This coating liquid supply device detects the liquid level in the coating liquid reservoir c of the roll coater b using a capacitance type proximity switch a, and depending on whether the liquid level deviation is positive or negative, the flow rate control valve d is opened or fully opened. The liquid level is controlled by the so-called 0N-OFF operation, which takes the closed position.
（本考案が解決しようとする課題）
しかしながら、上記従来技術による塗布液供給
装置は、流量調節弁ｄが0N−OFF動作により全
開か全閉の位置をとるため、塗布液溜ｃ内の液位
が設定値を中心に上下に変動する。この液位の変
動が、粘着シート等の塗布厚みに微妙な影響を与
えるため、該塗布厚みが不均一なものとなる。ま
た、流量調節弁ｄが全開と全閉の動作を繰り返し
行うことにより、弁全閉の際における配管ｅ及び
ポンプｆに対する負荷のため、配管接続部のパツ
キンやポンプのオイルシール等が損傷し、それら
の部分より液漏れを生じるという問題点があつ
た。(Problem to be Solved by the Present Invention) However, in the coating liquid supply device according to the above-mentioned prior art, since the flow rate control valve d assumes the fully open or fully closed position by 0N-OFF operation, the liquid level in the coating liquid reservoir c is fluctuates up and down around the set value. Fluctuations in the liquid level have a subtle effect on the coating thickness of the pressure-sensitive adhesive sheet, resulting in non-uniform coating thickness. In addition, as the flow rate control valve d is repeatedly fully opened and closed, the packing of the piping connection and the oil seal of the pump may be damaged due to the load on the piping e and pump f when the valve is fully closed. There was a problem that liquid leaked from those parts.
本考案は、上記の問題点を解消するためになさ
れたもので、その目的とするところは、ロールコ
ーターの塗布液の液位の変動幅を小さくして、液
位が設定された所望の液位と一致して平衡するよ
うに制御し供給する塗布液供給装置を提供するこ
とにある。 The present invention was devised to solve the above-mentioned problems, and its purpose is to reduce the fluctuation range of the liquid level of the coating liquid in the roll coater, and to maintain the desired liquid level at a set level. It is an object of the present invention to provide a coating liquid supply device that controls and supplies a coating liquid so as to be in equilibrium with the position.
（問題点を解決するための手段）
本考案塗布液供給装置は、塗布液供給源からロ
ールコーターの塗布液溜に塗布液を供給する塗布
液供給管路と、該塗布液供給管路の途中に介装さ
れる塗布液流量制御弁と、ロールコーターの塗布
液溜に供給された塗布液の液位を検出しその液位
に応じたアナログ信号を出力する液面検出部と、
所望の液位を設定する設定部、該設定部の設定値
と前記液面検出部からのアナログ信号と比較する
比較部及び該比較部の比較結果に基づきPI動作
もしくはPID動作の制御出力を演算する演算部と
からなる調節器と、該調節器からの信号によつて
動作し、前記塗布液流量制御弁の開度を調整する
弁開度調節機構とを備えたことを特徴とするもの
である。(Means for Solving Problems) The coating liquid supply device of the present invention includes a coating liquid supply pipe line that supplies the coating liquid from a coating liquid supply source to a coating liquid reservoir of a roll coater, and a coating liquid flow rate control valve interposed in the coating liquid flow rate control valve; a liquid level detection unit that detects the liquid level of the coating liquid supplied to the coating liquid reservoir of the roll coater and outputs an analog signal according to the liquid level;
A setting section that sets a desired liquid level, a comparison section that compares the setting value of the setting section with the analog signal from the liquid level detection section, and a control output for PI operation or PID operation based on the comparison result of the comparison section. and a valve opening adjustment mechanism that operates in response to a signal from the regulator and adjusts the opening of the coating liquid flow rate control valve. be.
本考案における塗布液溜は、ロールコーターの
上側に堰等を設けてトツプフイードとしたもの、
或いはロールコーターの下側に液槽を設けて汲上
ロールを液槽内の塗布液に漬けて使用するボトム
フイードとしたものいずれであつてかまわない。 The coating liquid reservoir in this invention is a top feed by providing a weir etc. on the upper side of the roll coater.
Alternatively, a liquid tank may be provided below the roll coater, and a bottom feed may be used in which the pumping roll is immersed in the coating liquid in the liquid tank.
本考案において液面検出部は、塗布液の液面を
検知するセンサーであつて、センサーと液面との
距離に応じてアナログ信号を出力するもので、例
えば、アナログ出力光電管、超音波センサー等が
用いられる。 In the present invention, the liquid level detection unit is a sensor that detects the liquid level of the coating liquid, and outputs an analog signal according to the distance between the sensor and the liquid level, such as an analog output phototube, an ultrasonic sensor, etc. is used.
本考案における調節器は、PI（比例＋積分）動
作もしくはPID（比例＋積分＋微分）動作の調節
機能を有するものである。PID動作の調節機能に
おいては、外乱が少く応答の早さを必要としない
場合は、微分動作を弱くして使用してもよい。 The regulator in the present invention has an adjustment function of PI (proportional + integral) operation or PID (proportional + integral + differential) operation. In the PID operation adjustment function, if there are few disturbances and quick response is not required, the differential operation may be weakened.
本考案における弁開度調節機構としては、電空
変換駆動機構或いはコントロールモータ駆動機構
等が好ましく採用される。電空変換駆動機構は、
調節器出力電流を空気信号に変換する電空変換器
と、該電空変換器から出力される空気圧により空
気式駆動部の位置決めを行う空気式ポジシヨナと
からなるが、空気式ポジシヨナが塗布液流量制御
弁に組み込まれて使用されるので、溶剤型塗布液
を扱う塗布装置のように電気の使用が制限されて
いる場所では安全で便利である。 As the valve opening adjustment mechanism in the present invention, an electro-pneumatic conversion drive mechanism, a control motor drive mechanism, or the like is preferably employed. The electro-pneumatic conversion drive mechanism is
It consists of an electro-pneumatic converter that converts the controller output current into a pneumatic signal, and a pneumatic positioner that positions the pneumatic drive unit using the air pressure output from the electro-pneumatic converter. Since it is used by being incorporated into a control valve, it is safe and convenient in places where the use of electricity is restricted, such as in coating equipment that handles solvent-based coating liquids.
（作用）
上記した構成の本考案塗布液供給装置におい
て、液面検出部により検出された液位がアナログ
信号として出力されると、比較部では設定された
所望の液位と比較され、演算部では前記比較結果
に基づいてPI動作もしくはPID動作の制御信号を
演算し出力することになる。この制御出力に応じ
て弁開度調節機構が作動するので、塗布液流量制
御弁は、所望の液位の設定値に対応した弁の開閉
度合の位置に一致し平衡するように開閉制御され
る。従つて、塗布液流量制御弁はON−OFF動作
により開閉するということがなくなり、しかも塗
布液溜の液位の変動幅が小さくなる。(Function) In the coating liquid supply device of the present invention having the above-described configuration, when the liquid level detected by the liquid level detection section is output as an analog signal, it is compared with the desired liquid level set in the comparison section, and the calculation section Then, a control signal for PI operation or PID operation is calculated and output based on the comparison result. Since the valve opening adjustment mechanism operates in accordance with this control output, the coating liquid flow rate control valve is controlled to open and close so that it matches and balances the opening/closing degree position of the valve corresponding to the desired liquid level setting value. . Therefore, the coating liquid flow rate control valve is no longer opened and closed by ON-OFF operation, and the fluctuation range of the liquid level in the coating liquid reservoir is reduced.
（実施例）
次に、本考案塗布液供給装置の一実施例を図面
を参照しながら説明する。(Embodiment) Next, an embodiment of the coating liquid supply device of the present invention will be described with reference to the drawings.
１はバツクアツプロール１１と塗布ロール１２
とからなるロールコーターである。２は塗布液溜
で、バツクアツプロール１１の上側には堰２１を
設けることにより、該堰２１と塗布ロール１２と
によつて形成される液溜部２２を有する。３は
紙、セロハン、プラスチツクフイルム等からなる
粘着テープ用基材で、バツクアツプロール１１と
塗布ロール１２との間を通過するようになつてい
る。 1 is a back-up roll 11 and a coating roll 12
It is a roll coater consisting of. Reference numeral 2 denotes a coating liquid reservoir, and by providing a weir 21 above the back-up roll 11, a liquid reservoir portion 22 is formed by the weir 21 and the coating roll 12. Reference numeral 3 denotes an adhesive tape base material made of paper, cellophane, plastic film, etc., which is adapted to pass between the back-up roll 11 and the application roll 12.
４は塗布液供給源Ｅからロールコーター１の塗
布液溜２に塗布液５を供給する塗布液供給管路、
６は塗布液供給管路４の途中に介装される塗布液
流量制御弁である。 4 is a coating liquid supply pipe line for supplying the coating liquid 5 from the coating liquid supply source E to the coating liquid reservoir 2 of the roll coater 1;
Reference numeral 6 denotes a coating liquid flow rate control valve interposed in the middle of the coating liquid supply pipe line 4 .
７は液面検出部で、先端に投光部７１と受光部
７２がそれぞれ接近して一体に組み込まれたアナ
ログ出力型光電管が用いられる。液面検出部７が
上記のようなアナログ出力型光電管であると、ロ
ールコーター１の塗布液溜２に供給された塗布液
５の液面５１に対して略垂直に光ビーム７３を発
射するようにして200〜250mmの間隔をおいて設置
することができ、しかも、液面５１からの反射光
７４を受光することで、液位の変化に応じて反射
光７４の受光量をアナログ電圧で出力することが
できるので、液面検出部７の設置場所に制限があ
るロールコーターの場合に採用すると好ましい。 Reference numeral 7 denotes a liquid level detection section, which is an analog output type phototube having a light emitting section 71 and a light receiving section 72 integrated into the tip thereof in close proximity to each other. When the liquid level detection unit 7 is an analog output type phototube as described above, the light beam 73 is emitted substantially perpendicularly to the liquid level 51 of the coating liquid 5 supplied to the coating liquid reservoir 2 of the roll coater 1. It can be installed at intervals of 200 to 250 mm, and by receiving the reflected light 74 from the liquid level 51, it outputs the amount of received reflected light 74 as an analog voltage according to changes in the liquid level. Therefore, it is preferable to adopt this method in the case of a roll coater where there is a restriction on the installation location of the liquid level detection section 7.
８は調節器で、所望の液位を設定する設定部８
１と、該設定部８１の設定値と前記液面検出部７
からのアナログ信号とを比較的する比較部８２
と、該比較部８２の比較結果に基づき制御出力を
演算する演算部８３とから構成されている。演算
部８３はPID演算の制御機能を有するもので、応
答の早さを必要としない場合は、微分動作を弱く
するかもしくは微分要素を外してPI演算させて
使用することもできる。 8 is a regulator, and a setting part 8 for setting a desired liquid level.
1, the setting value of the setting section 81, and the liquid level detection section 7.
Comparison unit 82 that compares the analog signal from
and a calculation section 83 that calculates a control output based on the comparison result of the comparison section 82. The calculation unit 83 has a control function for PID calculation, and if a quick response is not required, it can be used by weakening the differential operation or removing the differential element and performing PI calculation.
９は弁開度調節機構で、前記調節器８から出力
された電気信号を空気圧信号に変換する電空変換
器９１と、該電空変換器９１からの空気圧信号に
より作動する空気式ポジシヨナ９２とからなる電
空変換駆動機構である。該空気式ポジシヨナ９２
は前述の塗布液流量制御弁６に一体に組み込まれ
ている。 Reference numeral 9 denotes a valve opening adjustment mechanism, which includes an electro-pneumatic converter 91 that converts the electrical signal output from the regulator 8 into a pneumatic signal, and a pneumatic positioner 92 that is operated by the pneumatic signal from the electro-pneumatic converter 91. This is an electro-pneumatic conversion drive mechanism consisting of: The pneumatic positioner 92
is integrated into the aforementioned coating liquid flow rate control valve 6.
次に、上記構成の本考案塗布液供給装置の動作
について説明する。 Next, the operation of the coating liquid supply device of the present invention having the above structure will be explained.
先ず、調節器８の設定部８１に、所望の液位に
対応した設定値をセツトしておき、粘着テープ用
基材３をバツクアツプロール１１と塗布ロール１
２との間を通過させてから、塗布液供給源Ｅから
ロールコーター１の塗布液溜２に塗布液５を供給
する。 First, a setting value corresponding to a desired liquid level is set in the setting section 81 of the regulator 8, and the adhesive tape base material 3 is placed between the back-up roll 11 and the coating roll 1.
2, the coating liquid 5 is supplied from the coating liquid supply source E to the coating liquid reservoir 2 of the roll coater 1.
次に、液面検出部７の発光部７１から光ビーム
７３が液面５１に略直角に入射すると、光ビーム
７３は液面５１から反射して受光部７２に受光さ
れる。この受光部７２における受光量は、液面５
１と液面検出部７との距離によつて変動する。即
ち、液面５１が液面検出部７に接近すれば、受光
部７２での受光量は増加し、逆に、液面５１が液
面検出部７から離れると、受光部７２での受光量
は減少する。液位は液面５１と液面検出部７との
距離を測定することにより知ることができるの
で、受光部７２での受光量の変動状態を検出すれ
ば液位の変動を知ることができる。 Next, when the light beam 73 from the light emitting section 71 of the liquid level detection section 7 enters the liquid surface 51 at a substantially right angle, the light beam 73 is reflected from the liquid surface 51 and is received by the light receiving section 72 . The amount of light received by this light receiving section 72 is equal to the amount of light received at the liquid level 5
1 and the liquid level detection section 7. That is, when the liquid level 51 approaches the liquid level detection section 7, the amount of light received at the light receiving section 72 increases, and conversely, when the liquid surface 51 moves away from the liquid level detection section 7, the amount of light received at the light receiving section 72 increases. decreases. Since the liquid level can be determined by measuring the distance between the liquid level 51 and the liquid level detecting section 7, the fluctuation in the liquid level can be determined by detecting the fluctuation state of the amount of light received by the light receiving section 72.
前記液面検出部７の受光部７２で受光された反
射光は、液面検出部７から直流電圧が０〜10Vの
アナログ電圧で液位検出信号として出力され、調
節器８における設定部８１の設定値の信号と比較
部８２において比較される。該比較部８２での比
較結果を偏差値信号として出力し、この偏差値の
信号を演算部８３でPID動作の制御信号を出力す
るように演算して４〜20mAの電流で出力する。
調節器８の演算部８３からの制御信号によつて弁
開度調節機構９の電空変換器９１を作動させる。
電空変換器９１からは前記電流の制御信号が空気
圧信号に変換されて出力される。この空気圧信号
が塗布液流量制御弁６に組み込まれている空気式
ポジシヨナ９２を作動し、塗布液流量制御弁６の
開閉度合を調整する。 The reflected light received by the light receiving section 72 of the liquid level detecting section 7 is outputted from the liquid level detecting section 7 as a liquid level detection signal as an analog voltage with a DC voltage of 0 to 10 V, and is outputted as a liquid level detection signal by the setting section 81 of the regulator 8. It is compared with the set value signal in the comparator 82. The comparison result in the comparator 82 is output as a deviation value signal, and the calculation part 83 calculates this deviation value signal to output a control signal for PID operation, and outputs it as a current of 4 to 20 mA.
The electro-pneumatic converter 91 of the valve opening adjustment mechanism 9 is operated by a control signal from the calculation unit 83 of the regulator 8 .
The electro-pneumatic converter 91 converts the current control signal into a pneumatic signal and outputs the pneumatic signal. This air pressure signal operates a pneumatic positioner 92 built into the coating liquid flow rate control valve 6, and adjusts the opening/closing degree of the coating liquid flow rate control valve 6.
斯くして、塗布液流量制御弁６は全開もしくは
全閉することなく、塗布液５の流量を調整しなが
らロールコーター１の塗布液溜２内における塗布
液の液位の変動幅を小幅にすることができ、その
変動幅は、従来のON−OFF制御に比較して1/4
となつた。また、配管４内のパツキンやポンプ１
０のオイルシールの損傷による取替頻度が殆どな
くなつた。 In this way, the coating liquid flow control valve 6 does not fully open or close, but adjusts the flow rate of the coating liquid 5 while narrowing the fluctuation range of the liquid level of the coating liquid in the coating liquid reservoir 2 of the roll coater 1. The fluctuation range is 1/4 compared to conventional ON-OFF control.
It became. In addition, the packing inside the pipe 4 and the pump 1
The frequency of replacement due to damage to the 0 oil seal is now almost gone.
（考案の効果）
本考案塗布液供給装置は、塗布液供給源からロ
ールコーターの塗布液溜に塗布液を供給する塗布
液供給管路と、該塗布液供給管路の途中に介装さ
れる塗布液流量制御弁と、ロールコーターの塗布
液溜に供給された塗布液の液位を検出しその液位
に応じたアナログ信号を出力する液面検出部と、
所望の液位を設定する設定部、該設定部の設定値
と前記液面検出部からのアナログ信号とを比較す
る比較部及び該比較部の比較結果に基づきPI動
作もしくはPID動作の制御出力を演算する演算部
とからなる調節器と、該調節器からの信号によつ
て動作し、前記塗布液流量制御弁の開度を調整す
る弁開度調節機構とを備えているので、塗布液流
量制御弁を全開もしくは全閉するということがな
く、塗布液の流量を調整しながらロールコーター
の塗布液溜内における塗布液の液位を所望の液位
に一致させ変動幅を小幅にすることができる。(Effects of the invention) The coating liquid supply device of the present invention includes a coating liquid supply pipe line that supplies the coating liquid from a coating liquid supply source to a coating liquid reservoir of a roll coater, and a coating liquid supply pipe that is interposed in the middle of the coating liquid supply pipe line. a coating liquid flow rate control valve; a liquid level detection unit that detects the liquid level of the coating liquid supplied to the coating liquid reservoir of the roll coater and outputs an analog signal according to the liquid level;
A setting section for setting a desired liquid level, a comparison section for comparing the setting value of the setting section with the analog signal from the liquid level detection section, and a control output for PI operation or PID operation based on the comparison result of the comparison section. The coating liquid flow rate control valve is equipped with a regulator consisting of a calculation unit that performs calculations, and a valve opening adjustment mechanism that operates in response to a signal from the regulator and adjusts the opening degree of the coating liquid flow rate control valve. There is no need to fully open or close the control valve, and while adjusting the flow rate of the coating liquid, the liquid level of the coating liquid in the coating liquid reservoir of the roll coater can be made to match the desired liquid level and the fluctuation width can be reduced. can.
従つて、ロールコーターによる基材への塗布厚
みが均一になり、また、配管内のパツキンやポン
プのオイルシールの損傷による液漏れもなくなり
補修頻度が減少する。 Therefore, the thickness of the coating applied to the base material by the roll coater becomes uniform, and there is no leakage due to damage to the packing in the piping or the oil seal of the pump, reducing the frequency of repairs.
第１図は本考案塗布液供給装置の一実施例を示
す概略説明図、第２図は従来例を示す概略説明図
である。
符号の説明、１……ロールコーター、２……塗
布液溜、４……塗布液供給管路、５……塗布液、
５１……液面、６……塗布液流量制御弁、７……
液面検出部、８……調節器、８１……設定部、８
２……比較部、８３……演算部、９……弁開度調
節機構、９１……電空変換器、９２……空気式ポ
ジシヨナ、Ｅ……塗布液供給源。
FIG. 1 is a schematic explanatory diagram showing one embodiment of the coating liquid supply device of the present invention, and FIG. 2 is a schematic explanatory diagram showing a conventional example. Explanation of symbols, 1... Roll coater, 2... Coating liquid reservoir, 4... Coating liquid supply pipe, 5... Coating liquid,
51...Liquid level, 6...Coating liquid flow rate control valve, 7...
Liquid level detection section, 8...Adjuster, 81...Setting section, 8
2...Comparison section, 83...Calculation section, 9...Valve opening adjustment mechanism, 91...Electro-pneumatic converter, 92...Pneumatic positioner, E...Coating liquid supply source.
Claims (1)
塗布液を供給する塗布液供給管路と、該塗布液供
給管路の途中に介装される塗布液流量制御弁と、
ロールコーターの塗布液溜に供給された塗布液の
液位を検出しその液位に応じたアナログ信号を出
力する液面検出部と、所望の液位を設定する設定
部、該設定部の設定値と前記液面検出部からのア
ナログ信号とを比較する比較部及び該比較部の比
較結果に基づきPI動作もしくはPID動作の制御出
力を演算する演算部とからなる調節器と、該調節
器からの信号によつて動作し、前記塗布液流量制
御弁の開度を調整する弁開度調節機構とを備えた
ことを特徴とする塗布液供給装置。 a coating liquid supply pipe for supplying a coating liquid from a coating liquid supply source to a coating liquid reservoir of a roll coater; a coating liquid flow rate control valve interposed in the middle of the coating liquid supply pipe;
A liquid level detection section that detects the liquid level of the coating liquid supplied to the coating liquid reservoir of the roll coater and outputs an analog signal according to the liquid level, a setting section that sets the desired liquid level, and settings of the setting section. a controller comprising a comparison section that compares the value with an analog signal from the liquid level detection section and a calculation section that calculates a control output for PI operation or PID operation based on the comparison result of the comparison section; A coating liquid supply device comprising: a valve opening adjustment mechanism that operates in accordance with a signal of the coating liquid flow rate control valve and adjusts the opening degree of the coating liquid flow rate control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9225988U JPH0541811Y2 (en) | 1988-07-11 | 1988-07-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9225988U JPH0541811Y2 (en) | 1988-07-11 | 1988-07-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0217269U JPH0217269U (en) | 1990-02-05 |
| JPH0541811Y2 true JPH0541811Y2 (en) | 1993-10-21 |
Family
ID=31316710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9225988U Expired - Lifetime JPH0541811Y2 (en) | 1988-07-11 | 1988-07-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0541811Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003062502A (en) * | 2001-08-27 | 2003-03-04 | Nippon Kyushutai Gijutsu Kenkyusho:Kk | Coating device for sap dispersion slurry and manufacturing method for sheetlike absorber |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2515333Y2 (en) * | 1990-11-08 | 1996-10-30 | 大日本印刷株式会社 | Coating equipment |
| JP2632478B2 (en) * | 1992-06-30 | 1997-07-23 | 株式会社巴川製紙所 | Coating equipment for paints, etc. |
| KR20120010412A (en) * | 2010-07-26 | 2012-02-03 | 삼성전기주식회사 | Apparatus for supplying source |
-
1988
- 1988-07-11 JP JP9225988U patent/JPH0541811Y2/ja not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003062502A (en) * | 2001-08-27 | 2003-03-04 | Nippon Kyushutai Gijutsu Kenkyusho:Kk | Coating device for sap dispersion slurry and manufacturing method for sheetlike absorber |
| WO2003018210A1 (en) * | 2001-08-27 | 2003-03-06 | Japan Absorbent Technology Institute | Coater for dispersed slurry |
| US7101438B2 (en) | 2001-08-27 | 2006-09-05 | Japan Absorbent Technology Institute | Coater for dispersed slurry |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0217269U (en) | 1990-02-05 |
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