JPH02228662A - Method and device for developing photosensitive planographic printing plate - Google Patents
Method and device for developing photosensitive planographic printing plateInfo
- Publication number
- JPH02228662A JPH02228662A JP4920889A JP4920889A JPH02228662A JP H02228662 A JPH02228662 A JP H02228662A JP 4920889 A JP4920889 A JP 4920889A JP 4920889 A JP4920889 A JP 4920889A JP H02228662 A JPH02228662 A JP H02228662A
- Authority
- JP
- Japan
- Prior art keywords
- printing plate
- developer
- photosensitive lithographic
- lithographic printing
- slit
- 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
- 238000000034 method Methods 0.000 title claims description 30
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 238000003672 processing method Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
- 239000004115 Sodium Silicate Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Photosensitive Polymer And Photoresist Processing (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は感光性平版印刷版の現像処理方法およびそれに
用いる装置に関し、更に詳しくは、自動現像機における
感光性平版印刷版への現像液の供給方法及びそれに用い
る装置に関する。Detailed Description of the Invention [Field of Industrial Application] The present invention relates to a method for developing a photosensitive lithographic printing plate and an apparatus used therein, and more specifically, the present invention relates to a method for developing a photosensitive lithographic printing plate and an apparatus used therefor. This invention relates to a supply method and an apparatus used therefor.
感光性平版印刷版を多数枚現像処理するには一般的に自
動現像機が用いられている。゛自動現像機において露光
済みの感光性平版印刷版を現像処理する方法として、感
光性平版印刷版を水平状に搬送しながら現像液をスプレ
ー状に吹き付け、現像液を循環再使用する方法、及び多
量の現像液を入れた現像処理槽に感光性平版印刷版を湾
曲させて搬送しながら浸漬させて現像処理する方法が知
られており、またこのような方法の有する欠点である現
像液の劣化に伴う現像液の交換や補充の面倒さを改良す
る方法として、現像液を使い捨てる現像処理方法に適し
た、比較的少量の現像液を感光性平版印刷版上に２枚の
板材から形成されるスリットから供給して現像する方法
及び装置が特開昭６２−２３８５６４号等により知られ
ている。An automatic developing machine is generally used to develop a large number of photosensitive lithographic printing plates. ``As a method for developing an exposed photosensitive planographic printing plate in an automatic developing machine, a developer is sprayed onto the photosensitive planographic printing plate while being conveyed horizontally, and the developer is circulated and reused; A method is known in which a photosensitive lithographic printing plate is immersed in a development tank containing a large amount of developer while being conveyed in a curved manner. As a method to improve the trouble of replacing and replenishing the developer that accompanies this process, a relatively small amount of developer is applied to a photosensitive lithographic printing plate from two plates, which is suitable for a development processing method that uses disposable developer. A method and apparatus for supplying the material through a slit and developing it are known from Japanese Patent Application Laid-Open No. 62-238564 and other publications.
このようなスリットから現像液を供給する方法及び装置
において、スリットを形成する２枚の板材を両方とも可
とう性のものとすると、スリット部の形状が不安定にな
り、現像むらを生じ易い問題があることを本発明者らは
見い出し、さらに、スリットを形成する２枚の板材の剛
性を高くすることにより上記問題が解決することを見い
出し、本発明に到達した。In such a method and apparatus for supplying a developer from a slit, if the two plates forming the slit are both flexible, the shape of the slit becomes unstable, which tends to cause uneven development. The present inventors have discovered that the above problem can be solved by increasing the rigidity of the two plates forming the slit, and have arrived at the present invention.
［発明が解決しようとする問題点〕
本発明は、前記スリットにより現像液感光性平版印刷版
上に供給する方法及び装置における前記現像むらの発生
が改良される方法及び装置を提供しようとするもので、
その目的は、供給すべき面積に対して比較的少量の現像
液を、均一にかつ安定して感光性平版印刷版上に供給す
るのに適した現像液の供給方法及び装置を提供すること
である。[Problems to be Solved by the Invention] The present invention seeks to provide a method and an apparatus in which the occurrence of uneven development in the method and apparatus for supplying a developer onto a photosensitive lithographic printing plate through the slits is improved. in,
The purpose is to provide a method and apparatus for supplying a developer suitable for uniformly and stably supplying a relatively small amount of developer to the area to be supplied onto a photosensitive planographic printing plate. be.
〔発明の構成〕
上記本発明の目的は、自動現像機を用いて感光性平版印
刷版を自動的に搬送し現像する現像処理方法において、
２枚の剛体からなるスリットから現像液を柔軟性のある
塗布部材を介して該感光性平版印刷版上に供給する感光
性平版印刷版の現像処理方法、及び感光性平版印刷版を
自動的に搬送し現像する自動現像機の現像処理装置にお
いて、２枚の剛体からなるスリットから柔軟性のある塗
布部材を介して該感光性平版印刷版上に現像液が供給さ
れるようにした現像液供給部材を有する感光性平版印刷
版の現像処理装置によって達成される。[Structure of the Invention] The object of the present invention is to provide a development processing method for automatically transporting and developing a photosensitive planographic printing plate using an automatic developing machine,
A method for developing a photosensitive lithographic printing plate, in which a developer is supplied from a slit made of two rigid bodies onto the photosensitive lithographic printing plate through a flexible coating member, and the photosensitive lithographic printing plate is automatically coated. In a developing processing device of an automatic developing machine that conveys and develops, a developing solution is supplied onto the photosensitive lithographic printing plate from a slit made of two rigid bodies through a flexible coating member. This is achieved by a photosensitive lithographic printing plate development processing device having a member.
以下、本発明を図面により詳細に説明する。Hereinafter, the present invention will be explained in detail with reference to the drawings.
第１図は本発明の一実施態様を示す装置の斜視図、第２
図はその要部の断面図である。FIG. 1 is a perspective view of an apparatus showing one embodiment of the present invention;
The figure is a sectional view of the main part.
同図において、１，２は感光性平版印刷版３を搬送する
ための搬送ローラ対、４．５は同じく搬送ローラである
。６は現像液貯蔵槽である。７は送液ポンプで現像液供
給パイプ８へ現像液を圧送する。現像液供給パイプ８に
は現像液を流出させるための複数の穴を設けである。９
は現像液供給部材で、２枚の剛体からなる板材１０及び
１１からなるスリット１２を′下端に有し、スリット１
２の下縁は柔軟性を有するシートからなる塗布部材１３
が取り付けである。In the figure, numerals 1 and 2 are a pair of conveying rollers for conveying the photosensitive planographic printing plate 3, and 4.5 is also a conveying roller. 6 is a developer storage tank. Reference numeral 7 denotes a liquid feeding pump which pressure-feeds the developer to the developer supply pipe 8 . The developer supply pipe 8 is provided with a plurality of holes for draining the developer. 9
is a developer supplying member, which has a slit 12 at its lower end, which is made up of two rigid plates 10 and 11;
The lower edge of 2 is a coating member 13 made of a flexible sheet.
is the installation.
本発明において、スリットを形成する板材１０．１１は
、これらで形成されるスリット部１２の形状が稼働中に
不安定にならない程度の剛性を有すればよ＜ 、１００
０ｍｍ幅程度の塗布幅においては、剛性率がＩＸ １０
”ｄｙｎ／ｃｍ２以上の材料からなる厚さ０．５ｍｍ以
上の板状物を用いることが適当である。具体的には、ス
テンレス鋼板（厚さ０．５ｍ以上）のようなものを用い
ることができる。In the present invention, the plate materials 10 and 11 forming the slits only need to have such rigidity that the shape of the slit portion 12 formed by them does not become unstable during operation.
At a coating width of about 0 mm, the rigidity is IX 10
It is appropriate to use a plate-like material with a thickness of 0.5 mm or more made of a material of ``dyn/cm2 or more.Specifically, it is recommended to use something like a stainless steel plate (thickness of 0.5 m or more). can.
また、スリット１２は、板材１０．１１を互いに圧着状
態にさせたときに塗布幅方向に一定間隙の現像液の通路
が確保されるようなスリットの構造としてもよい。 ス
リット１２の間隙は０．５〜２１１１１１程度が適当で
ある。Further, the slit 12 may have a slit structure such that when the plate materials 10 and 11 are pressed together, a passage for the developer with a constant gap in the coating width direction is ensured. The appropriate gap between the slits 12 is about 0.5 to 211111 mm.
塗布部材１３は、その下端部が搬送中の感光性平版印刷
版面と常に接触を維持して、スリブ１−１２から流出す
る膜状の現像液流がスムースに感光性平版印刷版面上に
移行し得るような柔軟性を有するものであればよく、例
えば可とう性のあるシートで、曲げ弾性率１００−１０
００Ｋｇ／ａｍ″（ＡＳＴＭ Ｄ−７９０）、厚さ０．
０５〜１１１ＩＩ１１程度のものをスリットの先端部に
取り付けて用いることができる。このようなシートとし
て、具体的には、それぞれ厚さ０．０５〜ｌ ｍｍのポ
リエステル、ポリ塩化ビニル、ポリプロピレン、ポリエ
チレン、ポリスチレンのようなプラスチックのシート、
ゴムのシート等が挙げられる。また、スポンジ板、布等
を用いることができる。The coating member 13 maintains its lower end always in contact with the surface of the photosensitive lithographic printing plate being transported, so that the film-like developer flow flowing out from the sleeve 1-12 is smoothly transferred onto the surface of the photosensitive lithographic printing plate. For example, a flexible sheet with a flexural modulus of 100-10
00Kg/am'' (ASTM D-790), thickness 0.
05 to 111II11 can be used by attaching it to the tip of the slit. Specifically, such sheets include sheets of plastic such as polyester, polyvinyl chloride, polypropylene, polyethylene, and polystyrene, each having a thickness of 0.05 to 1 mm;
Examples include rubber sheets. Also, a sponge board, cloth, etc. can be used.
板材１０又は１１の下縁に塗布部材１３を設ける手段は
公知の方法を用いればよい。A known method may be used to provide the coating member 13 on the lower edge of the plate material 10 or 11.
現像液供給部材の好ましい別の実施態様を第３図ないし
第５図に示す。Another preferred embodiment of the developer supply member is shown in FIGS. 3-5.
次に、上記装置を用いた現像方法について述べる。Next, a developing method using the above apparatus will be described.
感光性平版印刷版３が装置入り口から挿入されると感光
性平版印刷版検出スイッチ（図示せず）により搬送ロー
ラ対１２及び搬送ローラ４．５が回転し感光性平版印刷
版３を搬送する。また感光性平版印刷版検出スイッチに
よりポンプ７が作動し、現像液貯蔵槽６中の現像液が所
定時間、所定量の現像液を現像液供給パイプ８に送る。When the photosensitive lithographic printing plate 3 is inserted from the entrance of the apparatus, a photosensitive lithographic printing plate detection switch (not shown) rotates the transport roller pair 12 and the transport roller 4.5 to transport the photosensitive lithographic printing plate 3. Further, the pump 7 is activated by the photosensitive lithographic printing plate detection switch, and the developer in the developer storage tank 6 sends a predetermined amount of the developer to the developer supply pipe 8 for a predetermined period of time.
現像液は、現像液供給パイプに開けられた複数の穴８ａ
から流出し、現像液供給部材９を構成する板材ＩＯ及び
／又は１１の内面に沿って流下し、板材ｌＯと１１とで
形成されるスリット１２を通過することにより一様の厚
さの液膜状の流れとなり、塗布部材１３を経て感光性平
版印刷版３の面上に供給される。The developer is supplied through a plurality of holes 8a made in the developer supply pipe.
, flows down along the inner surface of the plate material IO and/or 11 constituting the developer supply member 9, and passes through the slit 12 formed by the plate material IO and 11 to form a liquid film with a uniform thickness. The liquid flows in a shape like this, and is supplied onto the surface of the photosensitive planographic printing plate 3 via the coating member 13 .
なお、図中、−点鎖線の矢印は現像液の流下方向を示す
。In addition, in the figure, the dashed-dotted arrow indicates the direction of flow of the developer.
本発明の方法及び装置により、現像液供給量は塗布幅１
１１当たりおよそ５０〜５００＋ｗρ／分の範囲が少な
くとも可能である。With the method and apparatus of the present invention, the amount of developer supplied is
A range of approximately 50-500+w/min per 11 is at least possible.
本発明により感光性平版印刷版上に現像液を供給する以
外の処理方法については公知の方法等任意の方法を適用
することができる。例えば、本発明の方法により感光性
平版印刷版上に現像液を一様に供給した後、現像に必要
な時間、現像液が面上に保持されるよう水平状に搬送し
たのち、現像液及び溶出成分をスクイーズする方法を適
用してもよく、また、このような現像工程の途中でブラ
シによる摩擦等の現像促進操作を加えてもよい。また、
本発明の方法により現像液を供給し現像する工程の前ま
たは後に浸漬方法による現像工程を付加する等も任意で
ある。これら本発明方法に付加し得る方法には、特開昭
６２−２３８５６４号、同６３−２３１６０号、同６３
−８５７４５号、同６３−１３２２４１号、同６３−１
９７９５０号、同６３−２６１２６３号、特願昭６１−
１０１６８１号、同６１−１２１７２６号
等に記載の方法が含まれる。According to the present invention, as for the processing method other than supplying a developer onto the photosensitive lithographic printing plate, any known method or the like can be applied. For example, after a developer is uniformly supplied onto a photosensitive lithographic printing plate by the method of the present invention, the developer is conveyed horizontally so that it is held on the surface for the time required for development, and then the developer and A method of squeezing the eluted components may be applied, or a development accelerating operation such as friction with a brush may be added during the development process. Also,
It is also optional to add a developing step by an immersion method before or after the step of supplying a developer and developing by the method of the present invention. Methods that can be added to these methods of the present invention include JP-A-62-238564, JP-A-63-23160, JP-A-63
-85745, 63-132241, 63-1
No. 97950, No. 63-261263, Patent Application No. 1983-
The methods described in No. 101681, No. 61-121726, etc. are included.
第１図及び第２図に示す態様の装置を用い、板材１０及
びｌｌにはそれぞれ厚さ２１１１１１１のステンスレ板
を用い、スリット１２は、スリット間隙１ｍ１１１、塗
布幅方向の長さ１０００ａ＋ｍとし、板材１０の下端部
の入り口側の面に塗布部材として厚さ０．０１ｍｍのポ
リエチレンテレフタレートを板材ｌＯの下端からの突出
長さが５１１Ｉ１１になるように取りつけた。感光性平
版印刷版はＳＭＰ−Ｎ（商品名、ポジ型感光性平版印刷
版、コニカ（株）製）の１００１０Ｏ３８００ａ＋ｍサ
イズを用い、現像現像液組成
ケイ酸ナトリウム（ＪＩＳ規格ケイ
酸ソーダ３号） １０ｇ水酸化ナト
リウム ２７ｇペレックスＮＢＬ（ア
ルキルナフ
タレンスルホン酸ナトリウ
ム、花王アトラス（株）製） ０ 、２５ｇ
水
９６７ｇ現像液供給量は上記感光性平版印刷板
１枚当たり１６０ｍ 、現像液温度２５℃、現像時間２
０秒で１００枚を連続して処理した。この処理過程を通
じて、現像液供給部材のスリットの形状は安定して一定
に保たれ、均一な現像を安定して行うことができた。Using the apparatus shown in FIGS. 1 and 2, stainless steel plates with a thickness of 2111111 are used for the plates 10 and 11, respectively, the slit 12 has a slit gap of 1 m111, and a length of 1000 a+m in the coating width direction. Polyethylene terephthalate having a thickness of 0.01 mm was attached as a coating member to the entrance side surface of the lower end of the plate material 1O so that the protrusion length from the lower end of the plate material 10 was 511I11. The photosensitive lithographic printing plate used was SMP-N (trade name, positive photosensitive lithographic printing plate, manufactured by Konica Corporation) size 10010O3800a+m, and the developer composition was 10 g of sodium silicate (JIS standard sodium silicate No. 3). Sodium hydroxide 27g Perex NBL (sodium alkylnaphthalene sulfonate, manufactured by Kao Atlas Co., Ltd.) 0, 25g
water
967g The amount of developer supplied is 160m per photosensitive lithographic printing plate, the developer temperature is 25°C, and the development time is 2.
100 sheets were processed continuously in 0 seconds. Throughout this processing process, the shape of the slit in the developer supply member was kept stable and uniform development could be performed stably.
本発明によれば、感光性平版印刷版を搬送しながら処理
する自動現像機を用いる現像処理において、単位面積当
たりの供給量が比較的少量の現像液を、均一かつ安定し
て供給することが可能であり、したがって、均一な現像
を安定して行うことができる。According to the present invention, it is possible to uniformly and stably supply a relatively small amount of developer per unit area in a development process using an automatic processor that processes a photosensitive planographic printing plate while conveying it. Therefore, uniform development can be stably performed.
第１図は本発明に係る現像装置の例を示す斜視図、第２
図はその要部の断面図、第３図〜第５図は本発明の別の
実施態様を示す断面図である。
１．２ ・・・搬送ローラ対 ４．５ ・・・搬送ロ
ーラ３ ・・・感光性平版印刷版
６ ・・・現像液貯蔵槽 ７ ・・・送液ポンプ８
・・・現像液供給パイプFIG. 1 is a perspective view showing an example of a developing device according to the present invention, and FIG.
The figure is a cross-sectional view of the main part, and FIGS. 3 to 5 are cross-sectional views showing other embodiments of the present invention. 1.2 ... Conveyance roller pair 4.5 ... Conveyance roller 3 ... Photosensitive planographic printing plate 6 ... Developer storage tank 7 ... Liquid feed pump 8
・・・Developer supply pipe
Claims (2)
現像処理方法において、２枚の剛体からなる板材により
形成されたスリットから柔軟性のある塗布部材を介して
現像液を感光性平版印刷板へ供給することを特徴とする
感光性平版印刷板の現像処理方法。(1) In a development processing method in which a photosensitive lithographic printing plate is developed using an automatic developing machine, a developer is applied to the photosensitive lithographic plate through a flexible application member through a slit formed by two rigid plates. A method for developing a photosensitive lithographic printing plate, characterized by supplying the plate to a printing plate.
給する手段を有する感光性平版印刷板の現像装置におい
て、２枚の剛体からなる板材により形成されたスリット
から柔軟性のある塗布部材を介して該感光性平版印刷版
上に現像液が供給されるようにした現像液供給手段を有
することを特徴とする感光性平版印刷版の現像処理装置
。(2) In a developing device for a photosensitive lithographic printing plate having a means for supplying a developer onto the photosensitive lithographic printing plate being transported, flexible coating is applied through a slit formed by two rigid plates. A developing processing apparatus for a photosensitive lithographic printing plate, comprising a developer supplying means for supplying a developer onto the photosensitive lithographic printing plate via a member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1049208A JP2736430B2 (en) | 1989-02-28 | 1989-02-28 | Method and apparatus for developing photosensitive lithographic printing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1049208A JP2736430B2 (en) | 1989-02-28 | 1989-02-28 | Method and apparatus for developing photosensitive lithographic printing plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02228662A true JPH02228662A (en) | 1990-09-11 |
| JP2736430B2 JP2736430B2 (en) | 1998-04-02 |
Family
ID=12824564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1049208A Expired - Fee Related JP2736430B2 (en) | 1989-02-28 | 1989-02-28 | Method and apparatus for developing photosensitive lithographic printing plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2736430B2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62238564A (en) * | 1986-04-09 | 1987-10-19 | Konika Corp | Method and apparatus for developing process for photosensitive lithographic printing plate by which uniformity of development is improved |
| JPS6388554A (en) * | 1986-10-01 | 1988-04-19 | Konica Corp | Developing process method for phtosensitive lithographic printing plate |
-
1989
- 1989-02-28 JP JP1049208A patent/JP2736430B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62238564A (en) * | 1986-04-09 | 1987-10-19 | Konika Corp | Method and apparatus for developing process for photosensitive lithographic printing plate by which uniformity of development is improved |
| JPS6388554A (en) * | 1986-10-01 | 1988-04-19 | Konica Corp | Developing process method for phtosensitive lithographic printing plate |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2736430B2 (en) | 1998-04-02 |
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