JP2000112143A - Printing plate processing device - Google Patents
Printing plate processing deviceInfo
- Publication number
- JP2000112143A JP2000112143A JP10280795A JP28079598A JP2000112143A JP 2000112143 A JP2000112143 A JP 2000112143A JP 10280795 A JP10280795 A JP 10280795A JP 28079598 A JP28079598 A JP 28079598A JP 2000112143 A JP2000112143 A JP 2000112143A
- Authority
- JP
- Japan
- Prior art keywords
- printing plate
- processing
- roller
- processing liquid
- developing
- 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
Landscapes
- Photosensitive Polymer And Photoresist Processing (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】この発明は、画像を形成した印刷
版を処理液により処理する印刷版処理装置に関し、特に
後段の処理液を供給する前に印刷版上にある前段の処理
液を除去する絞りローラ対を有する印刷版処理装置に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printing plate processing apparatus for processing a printing plate on which an image is formed with a processing liquid, and more particularly to removing a preceding processing liquid on a printing plate before supplying a latter processing liquid. The present invention relates to a printing plate processing apparatus having a pair of squeezing rollers.
【0002】[0002]
【従来の技術】従来の印刷版処理装置では、異なる処理
液を版面に供給する処理部を複数併設し、処理すべき印
刷版を順次各処理部に搬送して処理を行うようにしてい
る。例えば一般的な印刷版処理装置では、現像処理液を
貯留する現像槽に印刷版を侵漬搬送させ、現像槽を出た
印刷版に対し水洗処理液とリンス処理液とを順次シャワ
ー塗布して後処理するようにしている。そして各処理液
は各処理部にて順次循環して使用されている。2. Description of the Related Art In a conventional printing plate processing apparatus, a plurality of processing units for supplying different processing liquids to a printing plate are provided in parallel, and printing plates to be processed are sequentially conveyed to each processing unit for processing. For example, in a general printing plate processing apparatus, a printing plate is immersed and conveyed in a developing tank for storing a developing solution, and a washing plate and a rinsing liquid are sequentially applied to the printing plate exiting the developing tank by shower coating. Post-processing is performed. Each processing solution is circulated and used in each processing section.
【0003】各処理部に渡って印刷版を連続的に搬送す
ると、印刷版上に残存する前段の処理液が後段の処理部
に持ち出されることになる。例えば印刷版に残存する現
像処理液が水洗処理部に持ち出されると当該水洗処理液
に現像処理液が混入するので、水洗処理液の交換頻度や
新たな水洗処理液の補充量が大きくなる。このため従来
の印刷版処理装置では各処理部の間には印刷版面から前
段の処理液を除去するため印刷版に対し押圧付勢された
1対の対向ローラからなる絞りローラ対が設けられてい
た。When the printing plate is continuously conveyed across the respective processing units, the processing liquid of the preceding stage remaining on the printing plate is taken out to the subsequent processing unit. For example, when the developing solution remaining on the printing plate is taken out to the rinsing section, the developing solution is mixed into the rinsing solution, so that the replacement frequency of the rinsing solution and the replenishment amount of the new rinsing solution increase. For this reason, in the conventional printing plate processing apparatus, a pair of squeezing rollers including a pair of opposed rollers urged against the printing plate in order to remove the processing liquid at the previous stage from the printing plate surface is provided between the respective processing units. Was.
【0004】[0004]
【発明が解決しようとする課題】近年では、従来の紫外
線露光とは異なり、赤外線波長のレーザ光により露光を
行うサーマルプレートと呼ばれるような印刷版が出現し
ている。(以下サーマルタイプ印刷版という)このよう
なサーマルタイプ印刷版を前述の印刷版処理装置で処理
する場合、前述の絞りローラ対で印刷版上の現像処理液
を絞ると、現像処理液中に存在する析出物が析出して水
洗処理部入口側の搬送ローラが汚れるという問題があっ
た。これは当該析出物が現像処理液中では溶けている
が、現像処理液液が少なくなると多く析出するためであ
る。In recent years, unlike the conventional ultraviolet exposure, a printing plate called a thermal plate for performing exposure by a laser beam having an infrared wavelength has appeared. When such a thermal type printing plate is processed by the above-described printing plate processing apparatus, when the developing solution on the printing plate is squeezed by the above-described pair of squeezing rollers, it is present in the developing solution. There is a problem that the deposited precipitate precipitates and the conveying roller on the inlet side of the washing section becomes dirty. This is because the precipitate is dissolved in the developing solution, but precipitates more when the developing solution decreases.
【0005】ここで印刷版上の現像処理液を全く絞らな
いと、析出物は印刷版上の残存現像液中に溶けた状態に
あって実際に結晶化するものは少ない。しかしながら印
刷版上の現像処理液を絞らないと後段の水洗処理部での
汚染が多くなり、前述のように水洗処理液の交換頻度や
補給量が多くなるという問題点があった。[0005] If the developing solution on the printing plate is not squeezed at all, the precipitate is dissolved in the remaining developing solution on the printing plate, and few of them actually crystallize. However, if the developing solution on the printing plate is not squeezed, there is a problem that contamination in the subsequent washing section increases, and as described above, the replacement frequency and the replenishment amount of the washing solution increase.
【0006】本発明は上記の課題を解決するためになさ
れたものであり、簡単な構成で印刷版上の処理液を必要
最低限な量に絞りこむことができ、後段の搬送ローラに
析出物が生じることがなく、かつ後段への処理液の持ち
出し量を必要最低限にすることができる印刷版処理装置
を提供することを目的とする。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and a processing liquid on a printing plate can be squeezed to a necessary minimum amount with a simple structure. It is an object of the present invention to provide a printing plate processing apparatus which does not cause the generation of the processing liquid and can minimize the amount of the processing liquid taken out to the subsequent stage.
【0007】[0007]
【課題を解決するための手段】請求項1の発明は、現像
処理液を貯留するための現像槽を有する現像処理部から
前記現像処理部の後段に配置された後処理部にかけて順
次印刷版を搬送して処理を行う印刷版処理装置におい
て、 前記現像槽の出口側に設けられ、前記後処理部に
入る前に印刷版上に存在する現像処理液を除去する絞り
ローラ対の少なくとも画像面側のローラを、その周面に
複数の周回溝を有する溝付きローラとした。また請求項
2に係る印刷版処理装置では、前記印刷版は赤外線によ
り画像を形成する形式の印刷版とする。According to the first aspect of the present invention, a printing plate is sequentially formed from a developing section having a developing tank for storing a developing solution to a post-processing section disposed at a subsequent stage of the developing section. In a printing plate processing apparatus for carrying and processing, at least an image surface side of a pair of squeezing rollers provided at an outlet side of the developing tank and for removing a developing solution present on a printing plate before entering the post-processing unit. Was a grooved roller having a plurality of orbital grooves on its peripheral surface. Further, in the printing plate processing apparatus according to the second aspect, the printing plate is a printing plate of a type in which an image is formed by infrared rays.
【0008】この請求項1および2に係る印刷版処理装
置では、現像処理液を除去するための絞りローラ対の少
なくとも画像面側のローラを溝付きローラとしているた
め、印刷版面の現像処理液が溝の存在に合わせて適宜残
存した状態で絞られることになる。この残存した現像処
理液により析出物を溶解した状態で維持できるので、後
処理部の入口側搬送ローラ等に析出物による汚れが付か
ないようにすることができる。特に赤外線により画像を
形成するサーマルタイプ印刷版ではその効果が大きい。In the printing plate processing apparatus according to the first and second aspects, at least the roller on the image surface side of the pair of squeezing rollers for removing the developing solution is a grooved roller. It is squeezed in a state where it remains as appropriate according to the existence of the groove. Since the precipitate can be maintained in a dissolved state by the remaining developing solution, it is possible to prevent the transfer roller and the like on the entrance side of the post-processing section from being stained by the precipitate. In particular, the effect is great in a thermal type printing plate which forms an image by infrared rays.
【0009】[0009]
【発明の実施の形態】図1は本発明の実施の形態に係る
印刷版処理装置を示す主要部の断面図である。図におい
て印刷版処理装置は、印刷版Pを続く現像処理部に挿入
するための挿入トレー部1と、印刷版Pに現像処理を行
う現像処理部2と、現像処理後の印刷版Pに水洗処理を
行う水洗処理部3と、リンス処理を行うリンス処理部4
とからなり、処理液の循環機構や補充機構などその他の
構成については記載を省略している。なお本実施の形態
では、印刷版Pの画像面側を図1における上側とする。FIG. 1 is a sectional view of a main part showing a printing plate processing apparatus according to an embodiment of the present invention. In the figure, a printing plate processing apparatus includes an insertion tray unit 1 for inserting a printing plate P into a subsequent developing processing unit, a developing processing unit 2 for performing a developing process on the printing plate P, and a washing process for the printing plate P after the developing process. Rinse processing unit 3 for performing processing, and rinsing processing unit 4 for performing rinsing processing
The description of other components such as a processing liquid circulation mechanism and a replenishment mechanism is omitted. In the present embodiment, the image plane side of the printing plate P is the upper side in FIG.
【0010】現像処理部2は、温度調節された現像処理
液を貯留する現像槽5と、当該現像槽5内に印刷版Pを
搬送するよう図示しない駆動手段により駆動される複数
の搬送ローラ6と、印刷版Pを案内するための案内ロー
ラ7と、印刷版Pが現像槽5から排出される際に印刷版
Pから現像処理液を除去するための絞りローラ8a、8
bとを有する。なお絞りローラ8a、8bについての詳
細は後述する。この印刷版処理装置では、印刷版Pが現
像槽5内の現像処理液に侵漬されて現像処理が行われ
る。The developing section 2 includes a developing tank 5 for storing a temperature-controlled developing solution, and a plurality of conveying rollers 6 driven by driving means (not shown) to convey the printing plate P into the developing tank 5. A guide roller 7 for guiding the printing plate P; and squeezing rollers 8a and 8 for removing the developing solution from the printing plate P when the printing plate P is discharged from the developing tank 5.
b. The details of the aperture rollers 8a and 8b will be described later. In the printing plate processing apparatus, the printing plate P is immersed in the developing solution in the developing tank 5 to perform the developing process.
【0011】水洗処理部3は、印刷版Pを搬送するため
の2対の対向ローラ対9と、当該対向ローラ対9間に配
置された水洗処理液吐出ノズル10および同様な水洗処
理液吐出ノズルを軸に回転自在な複数のコロ部材を設け
た案内ローラ11と、当該ノズルから吐出された水洗処
理液を受ける水洗槽12とからなる。この印刷版処理装
置では、印刷版Pが対向ローラ対9間で搬送され、水洗
処理液吐出ノズル10と案内ローラ11に施設された同
様のノズルとから印刷版面に対し水洗処理液がシャワー
状に吐出されて処理が行われる。そして落下した水洗処
理液は水洗槽12により受けられ、図示しない循環手段
により再度前記ノズルから吐出されるよう構成されてい
る。The rinsing section 3 includes two pairs of opposed rollers 9 for transporting the printing plate P, and a rinsing liquid discharge nozzle 10 and a similar rinsing liquid discharge nozzle disposed between the opposed rollers 9. A guide roller 11 provided with a plurality of roller members rotatable around the shaft, and a washing tank 12 for receiving a washing treatment liquid discharged from the nozzle. In this printing plate processing apparatus, the printing plate P is conveyed between the pair of opposed rollers 9, and the washing processing liquid is showered onto the printing plate surface from a washing processing liquid discharge nozzle 10 and a similar nozzle provided in the guide roller 11. The processing is performed after being discharged. The dropped washing liquid is received by the washing tank 12, and is discharged from the nozzle again by a circulating means (not shown).
【0012】リンス処理部4は、水洗処理部3の対向ロ
ーラ対9と同様の対向ローラ対13と、前記水洗処理部
3における対向ローラ対9の出口側と対向ローラ対13
との間に配置されたリンス処理液吐出ノズル14および
案内ローラ15と、リンス処理液吐出ノズル14から排
出されたリンス処理液を受けるリンス槽16とからな
る。このリンス処理部4も、印刷版Pが対向ローラ対
9、13間で搬送されている間にリンス処理液吐出ノズ
ル14から印刷版Pの両面に対しリンス処理液がシャワ
ー状に吐出されて処理が行われる。そして落下したリン
ス処理液はリンス槽16により受けられ、図示しない循
環手段により再度リンス処理液吐出ノズル14から吐出
されるよう構成されている。The rinsing section 4 includes an opposing roller pair 13 similar to the opposing roller pair 9 of the rinsing section 3, and an outlet side of the opposing roller pair 9 and the opposing roller pair 13 in the rinsing section 3.
And a rinsing tank 16 for receiving the rinsing liquid discharged from the rinsing liquid discharge nozzle 14. The rinsing unit 4 also discharges the rinsing liquid from the rinsing liquid discharge nozzle 14 to both surfaces of the printing plate P in a shower while the printing plate P is being conveyed between the pair of opposed rollers 9 and 13. Is performed. Then, the dropped rinsing liquid is received by the rinsing tank 16 and is discharged again from the rinsing liquid discharge nozzle 14 by circulating means (not shown).
【0013】なお、上記で言う水洗処理液とは薬品を含
まない単なる水洗水や、現像処理を停止する停止処理液
などをも表すものである。またリンス処理液についても
薬品を含まない水洗水であってもよい。The term "washing solution" as used herein refers to a simple washing water containing no chemicals, a stopping solution for stopping the developing process, and the like. Also, the rinsing liquid may be washing water containing no chemicals.
【0014】次に絞りローラ8a、8bについて説明す
る。この実施の形態では、印刷版Pの非画像面側に当接
する下方の絞りローラ8aは従来の絞りローラと同じ構
成であり、例えば表面が平滑なローラからなる。そして
印刷版Pの画像面側と当接する上方の絞りローラ8b
は、その周面に複数の周回溝が形成された溝付きのロー
ラである。Next, the squeezing rollers 8a and 8b will be described. In this embodiment, the lower squeezing roller 8a in contact with the non-image surface side of the printing plate P has the same configuration as a conventional squeezing roller, and is formed of, for example, a roller having a smooth surface. And an upper squeezing roller 8b which contacts the image surface side of the printing plate P.
Is a grooved roller having a plurality of circumferential grooves formed on its peripheral surface.
【0015】図2は絞りローラ8bの一例を示す斜視図
である。絞りローラ8bの周面には複数の周回溝17が
形成されている。この周回溝17としては外周面に沿っ
て各個に閉じた閉ループを構成する複数の溝を形成して
も良いが、1本の連続した螺旋状の溝を形成しても良
い。当明細書では、上記のように連続した螺旋状の周回
溝であっても印刷版Pとの当接部から見れば複数の周回
溝と等価であるため、前記閉ループ形式の周回溝と同じ
く複数の周回溝と言う。FIG. 2 is a perspective view showing an example of the aperture roller 8b. A plurality of circumferential grooves 17 are formed on the peripheral surface of the aperture roller 8b. As the orbiting groove 17, a plurality of grooves forming a closed loop closed individually may be formed along the outer peripheral surface, or one continuous spiral groove may be formed. In the present specification, even if the spiral groove is continuous as described above, it is equivalent to a plurality of grooves when viewed from the contact portion with the printing plate P. It is called a circumferential groove.
【0016】なお閉ループ形式の周回溝の場合も螺旋状
周回溝の場合も何れの場合でも、溝の大きさや形成ピッ
チは均一であることが望ましい。また両ローラの材質は
プラスチックやゴムなど適宜のものを使用することがで
きる。そして両絞りローラ8a、8bは図示しない手段
により所定の押圧力で対向配置されており、両ローラ間
を通過する印刷版から現像処理液を絞るように構成され
ている。In both cases of the closed loop type spiral groove and the spiral spiral groove, it is desirable that the groove size and the formation pitch are uniform. As the material of both rollers, an appropriate material such as plastic or rubber can be used. The two squeezing rollers 8a and 8b are opposed to each other with a predetermined pressing force by means (not shown), and are configured to squeeze the developing solution from the printing plate passing between the two rollers.
【0017】しかしながら前記上方の絞りローラ8bに
は前記周回溝17が設けられているため、完全に処理液
が絞られず、少量の液が残存する。このため現像処理液
が絞られた場合に生じる析出物が、残存した現像液中に
溶けた状態に維持されるので、水洗処理部3の入口側の
対向ローラ対9が当該析出物で汚れることがない。この
ように前記絞りローラ8bの溝は、析出が生じないよう
な量だけ現像処理液が残存するように設定される。そし
て析出を抑えるのに必要な以外の余分な液は絞られて除
去されるため水洗処理部の汚染を極力少なくすることが
できる。なお前記絞りローラ8bに形成される周回溝1
7の大きさやピッチなどの設定については印刷版Pの種
類や処理液により異なるため、試験的に求めるのが好ま
しい。However, since the upper squeeze roller 8b is provided with the orbital groove 17, the processing liquid is not completely squeezed and a small amount of liquid remains. As a result, the precipitate generated when the developing solution is squeezed is maintained in a state of being dissolved in the remaining developing solution, so that the opposed roller pair 9 on the inlet side of the washing section 3 is contaminated with the precipitate. There is no. Thus, the groove of the squeezing roller 8b is set so that the developing solution remains in such an amount that no precipitation occurs. Excess liquid other than that necessary for suppressing the precipitation is squeezed and removed, so that contamination of the washing section can be minimized. The circumferential groove 1 formed on the squeezing roller 8b
Since the setting of the size and pitch of 7 differs depending on the type of the printing plate P and the processing liquid, it is preferable to obtain the setting experimentally.
【0018】[その他の実施の形態]上述した実施の形
態では、印刷版Pの画像面側の絞りローラ8bを溝付き
ローラとしたが、非画像面側絞りローラ8aも溝付きロ
ーラにしてもよい。また上述した実施の形態では、絞り
ローラ8bを周面に周回溝17を有する溝付きローラと
したが、周面に凹凸を有するローラとしても代用できな
くもない。しかしながらこのような凹凸を有するローラ
は印刷版上に均一な状態で現像処理液を残しながら絞る
のは困難であり、またローラの加工が困難であるため、
容易に加工可能な溝付きローラを採用するのが好まし
い。[Other Embodiments] In the above embodiment, the squeezing roller 8b on the image surface side of the printing plate P is a grooved roller, but the non-image surface squeezing roller 8a is also a grooved roller. Good. Further, in the above-described embodiment, the squeezing roller 8b is a grooved roller having the circumferential groove 17 on the peripheral surface. However, the roller may be replaced with a roller having irregularities on the peripheral surface. However, a roller having such irregularities is difficult to squeeze while leaving the developing solution in a uniform state on the printing plate, and it is difficult to process the roller,
It is preferable to use a grooved roller that can be easily processed.
【0019】[0019]
【発明の効果】本発明に係る印刷版処理装置では、印刷
版上の現像処理液を適宜の量だけ残存した状態で絞りこ
むことができ、印刷版上での析出物の発生を抑えること
ができる。従って後処理部入口側の対向ローラなどに析
出物が付着することがない。また後処理部への処理液の
持ち出し量を必要最低限にすることができるので、後処
理部での現像処理液による汚染を少なくできる。特に絞
りローラに溝を付ける構成であるためローラの加工が容
易であり、かつ溝のピッチ、大きさなどを変更すること
で残存する現像処理液の量の調整も容易である。According to the printing plate processing apparatus of the present invention, the developing solution on the printing plate can be squeezed in a state where an appropriate amount of the developing solution remains, and the generation of precipitates on the printing plate can be suppressed. it can. Therefore, the deposit does not adhere to the opposing roller on the entrance side of the post-processing section. In addition, since the amount of the processing solution taken out to the post-processing unit can be minimized, contamination by the developing solution in the post-processing unit can be reduced. In particular, since the groove is formed in the squeezing roller, the processing of the roller is easy, and the amount of the remaining developing solution can be easily adjusted by changing the pitch and size of the groove.
【図1】この発明の実施の形態に係る印刷版処理装置の
一例を示す概要図。FIG. 1 is a schematic diagram showing an example of a printing plate processing apparatus according to an embodiment of the present invention.
【図2】この発明の実施の形態に係る絞りローラの一例
を示す斜視図。FIG. 2 is a perspective view showing an example of an aperture roller according to the embodiment of the present invention.
2 現像処理部 3 水洗処理部(後処理部) 4 リンス処理部(後処理部) 5 現像槽 8a 絞りローラ 8b 絞りローラ(溝付きローラ) 2 Developing section 3 Rinse section (Post-processing section) 4 Rinse section (Post-processing section) 5 Developing tank 8a Squeeze roller 8b Squeeze roller (Roller roller)
───────────────────────────────────────────────────── フロントページの続き (72)発明者 木村 雅治 京都市上京区堀川通り寺ノ内上る4丁目天 神北町1番地の1 大日本スクリーン製造 株式会社内 Fターム(参考) 2H096 AA06 EA04 GA17 GA21 GA60 HA30 2H097 CA17 LA03 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Masaharu Kimura 4-chome Tenjin, Horikawa-dori Teranouchi, Kamigyo-ku, Kyoto 1 Nippon Screen Manufacturing Co., Ltd. F-term (reference) 2H096 AA06 EA04 GA17 GA21 GA60 HA30 2H097 CA17 LA03
Claims (2)
する現像処理部から前記現像処理部の後段に配置された
後処理部にかけて順次印刷版を搬送して処理を行う印刷
版処理装置において、 前記現像槽の出口側に設けられ、前記後処理部に入る前
に印刷版上に存在する現像処理液を除去する絞りローラ
対の少なくとも画像面側のローラを、その周面に複数の
周回溝を有する溝付きローラとしたことを特徴とする印
刷版処理装置。1. A printing plate processing apparatus for sequentially transporting and processing a printing plate from a developing section having a developing tank for storing a developing solution to a post-processing section disposed downstream of the developing section. A pair of squeezing rollers, which are provided at the outlet side of the developing tank and remove at least the developing solution present on the printing plate before entering the post-processing section, are arranged at least on the image surface side. A printing plate processing apparatus comprising a grooved roller having grooves.
る形式の印刷版である請求項1に記載の印刷版処理装
置。2. The printing plate processing apparatus according to claim 1, wherein the printing plate is a printing plate of a type that forms an image by infrared rays.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28079598A JP4033983B2 (en) | 1998-10-02 | 1998-10-02 | Printing plate processing equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28079598A JP4033983B2 (en) | 1998-10-02 | 1998-10-02 | Printing plate processing equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2000112143A true JP2000112143A (en) | 2000-04-21 |
JP4033983B2 JP4033983B2 (en) | 2008-01-16 |
Family
ID=17630082
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP28079598A Expired - Fee Related JP4033983B2 (en) | 1998-10-02 | 1998-10-02 | Printing plate processing equipment |
Country Status (1)
Country | Link |
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JP (1) | JP4033983B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007132997A (en) * | 2005-11-08 | 2007-05-31 | Mitsubishi Paper Mills Ltd | Processing apparatus for planographic printing plate |
CN112222050A (en) * | 2020-10-26 | 2021-01-15 | 广东金马领科智能科技有限公司 | Ceramic wiping part cleaning device |
-
1998
- 1998-10-02 JP JP28079598A patent/JP4033983B2/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007132997A (en) * | 2005-11-08 | 2007-05-31 | Mitsubishi Paper Mills Ltd | Processing apparatus for planographic printing plate |
CN112222050A (en) * | 2020-10-26 | 2021-01-15 | 广东金马领科智能科技有限公司 | Ceramic wiping part cleaning device |
Also Published As
Publication number | Publication date |
---|---|
JP4033983B2 (en) | 2008-01-16 |
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