JPH01294038A - Color printing of newspaper - Google Patents
Color printing of newspaperInfo
- Publication number
- JPH01294038A JPH01294038A JP12387188A JP12387188A JPH01294038A JP H01294038 A JPH01294038 A JP H01294038A JP 12387188 A JP12387188 A JP 12387188A JP 12387188 A JP12387188 A JP 12387188A JP H01294038 A JPH01294038 A JP H01294038A
- Authority
- JP
- Japan
- Prior art keywords
- color
- printing
- unit
- newspaper
- color image
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 claims abstract description 21
- 239000011248 coating agent Substances 0.000 claims abstract description 20
- 238000000576 coating method Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002966 varnish Substances 0.000 abstract description 2
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 235000000177 Indigofera tinctoria Nutrition 0.000 description 1
- 229940097275 indigo Drugs 0.000 description 1
- COHYTHOBJLSHDF-UHFFFAOYSA-N indigo powder Natural products N1C2=CC=CC=C2C(=O)C1=C1C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Landscapes
- Printing Methods (AREA)
Abstract
Description
【発明の詳細な説明】
(産業上の利用分野)
本発明は、新聞紙のカラー印刷方法に関するものである
。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method for color printing newsprint.
(従来の技術)
最近の新聞紙は、カラー化の傾向にあり、その品質を向
上させるために種々の改善策が採られているが、新聞印
刷に使用される新聞紙は、主として中質紙以下の紙が多
くて、その表面状態1色合いは、コート祇等に比べて決
して良いとはいえず。(Prior art) Newspapers these days tend to be colored, and various improvement measures have been taken to improve their quality, but the newsprint used for newspaper printing is mainly medium-quality paper or lower. There is a lot of paper, and its surface condition and color cannot be said to be as good as those of Coat Gion.
墨−色の新聞印刷に比べて新聞カラー印刷の場合。In the case of color newspaper printing compared to ink-color newspaper printing.
紙面の影響をかなり受は易い。It is quite easy to be influenced by the paper.
(発明が解決しようとする課題)
そのため、従来は1輪転印刷機の性能を改善したり、イ
ンキを改良したり1輪転印刷機の運転条件を適宜変えた
りして、新聞カラー印刷の品質を向上させているが、満
足できる状態に至っていない。(Problem to be solved by the invention) Therefore, in the past, the quality of color newspaper printing was improved by improving the performance of the single-rotary printing press, improving the ink, and changing the operating conditions of the single-rotary printing press as appropriate. However, it has not reached a satisfactory state.
本発明は前記の問題点に鑑み提案するものであり、その
目的とする処は、鮮明なカラー画像を得られる新聞紙の
カラー印刷方法を提供しようとする点にある。The present invention has been proposed in view of the above-mentioned problems, and its object is to provide a color printing method for newspapers that can obtain clear color images.
(課題を解決するための手段)
上記目的を達成するために3本発明の新聞紙のカラー印
刷方法は、印刷ライン上で新聞紙のカラー画像部に発色
性を高めるコート材を塗布した後。(Means for Solving the Problems) In order to achieve the above object, the color printing method for newspaper according to the present invention includes applying a coating material that enhances color development to the color image area of the newspaper on the printing line.
同コート材を塗布したカラー画像部にカラー印刷を行う
ことを特徴としている。The feature is that color printing is performed on the color image area coated with the same coating material.
(作用)
本発明の新聞紙のカラー印刷方法は前記のように印刷ラ
イン上で新聞紙のカラー画像部に発色性を高めるコート
材を塗布した後、同コート材を塗布したカラー画像部に
カラー印刷を行って、鮮明なカラー画像を得る。(Function) As described above, the color printing method for newspapers of the present invention involves applying a coating material that enhances color development to the color image area of the newspaper on the printing line, and then color printing to the color image area coated with the coating material. Go and get clear color images.
(実施例)
次に本発明の新聞紙のカラー印刷方法を説明する。第1
図に本発明の新聞紙のカラー印刷方法の実施に使用する
輪転印刷機を示し、第2図に新聞紙を示した。最近の新
聞紙は、カラー化の傾向にあり、第2図に示すように新
聞紙面(1)の大部分は、活字槽(2)で占められてい
るが、残りは、カラー画像部(3)になっている。これ
らの印刷には。(Example) Next, a method for color printing newspaper of the present invention will be described. 1st
The figure shows a rotary printing press used to carry out the method of color printing newspaper of the present invention, and FIG. 2 shows the newspaper. Recent newspapers are trending toward color, and as shown in Figure 2, most of the newspaper surface (1) is occupied by the type tank (2), but the rest is occupied by the color image area (3). It has become. For these prints.
第1図に示すように輪転印刷機の単色印刷用ユニット(
A) と、カラー印刷用ユニット(B) とが使用され
る。単色印刷用ユニツl−(A)は9両面刷りのため、
1対の印刷ユニットを有し、それぞれが版胴(4)とゴ
ム胴(5)とインキユニット(6)または(6”)とに
より構成されており、新開紙(1°)がゴム111M
(5) (5)の間を通過する間に単色(墨)の両面印
刷が行われる。またカラー印刷用ユニット(B)は、カ
ラー印刷のため、4対の印刷ユニットを有し、それぞれ
が版胴(4)とゴム胴(5)とインキユニット(6)ま
たは(6”)とにより構成されている。As shown in Figure 1, the monochrome printing unit of a rotary printing press (
A) and a color printing unit (B) are used. Units l-(A) for single-color printing is 9 double-sided, so
It has a pair of printing units, each consisting of a plate cylinder (4), a rubber cylinder (5), and an ink unit (6) or (6"), and the new paper (1°) has a rubber 111M
(5) Monochrome (black) double-sided printing is performed while passing between (5). In addition, the color printing unit (B) has four pairs of printing units for color printing, each consisting of a plate cylinder (4), a blanket cylinder (5), and an ink unit (6) or (6"). It is configured.
なお(6)は黒のインキユニット、(6’)(6″)(
6’)は藍、赤、黄のインキユニットである。また(7
)が圧胴、(8)がガイドローラで、新聞紙(1°)が
圧胴(7)と各ゴム胴(5)との間を通過する間にカラ
ー印刷が行われる。(6) is a black ink unit, (6') (6″) (
6') is an indigo, red, and yellow ink unit. Also (7
) is an impression cylinder, (8) is a guide roller, and color printing is performed while the newspaper (1°) passes between the impression cylinder (7) and each blanket cylinder (5).
通常、新聞印刷は、単色(墨)の両面印刷であり、単色
印刷用ユニット(A)のみで印刷されており、カラー印
刷用ユニッ) (B)は通過せず、新聞カラー印刷の場
合のみカラー印刷用ユニッ) (B)を通過するが、こ
の場合、カラー印刷用ユニット(B)に墨色インキユニ
ット(6)があり、単色印刷用ユニット(A)のうち、
カラー印刷用ユニット(B)の墨色インキユニット(6
)に対応するユニット(a)は1通常使用されない。本
発明は、この使用されない単色印刷用ユニット(A)の
ユニット(a)をカラー印刷用ユニッ) (B)の発色
性向上に利用しようとするものである。Normally, newspaper printing is double-sided printing in a single color (black), and is printed only with a single-color printing unit (A), without passing through a color printing unit (B), and only in the case of color newspaper printing. In this case, the color printing unit (B) includes a black ink unit (6), and among the monochrome printing units (A),
Black ink unit (6) of color printing unit (B)
) Unit (a) corresponding to 1 is not normally used. The present invention attempts to utilize the unit (a) of the unused monochrome printing unit (A) to improve the color development of the color printing unit (B).
即ち、新聞カラー印刷時、単色印刷用ユニット(A)の
ユニット(a)では1発色性を向上させるためにコート
材1例えば澱粉質の液、ニス等をインキユニット(6”
°)へ供給して、新聞紙(1°)のカラー画像部(3)
のみにコート材をコーテングし9次いでカラー印刷用ユ
ニット(B)へ送って、カラー印刷を行う、印刷された
カラー画像部(3)は1紙面の地合等の影響を受けなく
て、鮮明なカラー画像部(3)が得られる。That is, when printing color newspapers, in unit (a) of monochrome printing unit (A), coating material 1, such as starchy liquid, varnish, etc., is applied to the ink unit (6") in order to improve color development.
color image part (3) of newspaper (1°)
The paper is coated with a coating material and then sent to the color printing unit (B) for color printing.The printed color image area (3) is not affected by the texture of the paper surface and is clear. A color image portion (3) is obtained.
コート材のカラー画像部(3)へのコーテングは。Coating the color image area (3) with the coating material.
版材、ブランケット材、コート材を適宜選択することに
より可能である。またコート材の乾燥は。This is possible by appropriately selecting the plate material, blanket material, and coating material. Also, dry the coating material.
新開紙(1°)をカイトローラ(8)により搬送してい
るときに可能である。This is possible when a newly opened sheet (1°) is conveyed by the kite roller (8).
なお本実施例では、単色印刷用ユニット(A)のユニッ
ト(a)を利用して、コート材をコーテングしているが
、印刷ライン上にコート材の塗布ユニットを別に設けて
、コート材のコーテングを行うようにしてもよい。In this example, the unit (a) of the monochrome printing unit (A) is used to coat the coating material, but a coating material application unit is separately provided on the printing line, and the coating material is coated using the unit (a) of the monochrome printing unit (A). You may also do this.
(発明の効果)
本発明の新聞紙のカラー印刷方法は前記のように印刷ラ
イン上で新聞紙のカラー画像部に発色性を高めるコート
材を塗布した後、同コート材を塗布したカラー画像部に
カラー印刷を行うので、鮮明なカラー画像を得られる効
果がある。(Effects of the Invention) As described above, the color printing method for newspaper of the present invention is to apply a coating material that enhances color development to the color image area of the newspaper on the printing line, and then apply color to the color image area coated with the coating material. Since it is printed, it has the effect of producing clear color images.
第1図は本発明の新聞紙のカラー印刷方法の実施に使用
する輪転印刷機を示す側面図、第2図は新聞紙の活字槽
及びカラー画像部を示す斜視図である。
(1)(1’) ・・・新聞紙、(2)・・・活字槽
、(3)・・・カラー画像部、(A)・・・輪転印刷機
の単色印刷用ユニット、(a)・・・単色印刷ユニット
(A)のユニット(B)・・・輪転印刷機のカラー印刷
用ユニット、(4)・・・版胴、(5)・・・ゴム胴、
(6) (6”)(6゛)・・・インキユニット、(
7)・・・圧胴、(8)・・・ガイドローラ。FIG. 1 is a side view showing a rotary printing press used to carry out the method of color printing newspaper of the present invention, and FIG. 2 is a perspective view showing the type tank and color image area of the newspaper. (1) (1')...Newspaper, (2)...Type tank, (3)...Color image section, (A)...Monochrome printing unit of rotary printing press, (a)... ... Unit (B) of monochrome printing unit (A) ... Color printing unit of rotary printing press, (4) ... Plate cylinder, (5) ... Rubber cylinder,
(6) (6”) (6゛)...Ink unit, (
7)...Impression cylinder, (8)...Guide roller.
Claims (1)
コート材を塗布した後、同コート材を塗布したカラー画
像部にカラー印刷を行うことを特徴とした新聞紙のカラ
ー印刷方法。A method for color printing newsprint, characterized in that a coating material that enhances color development is applied to the color image area of the newspaper on a printing line, and then color printing is performed on the color image area coated with the coating material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12387188A JPH01294038A (en) | 1988-05-23 | 1988-05-23 | Color printing of newspaper |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12387188A JPH01294038A (en) | 1988-05-23 | 1988-05-23 | Color printing of newspaper |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01294038A true JPH01294038A (en) | 1989-11-28 |
Family
ID=14871441
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12387188A Pending JPH01294038A (en) | 1988-05-23 | 1988-05-23 | Color printing of newspaper |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01294038A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009184201A (en) * | 2008-02-05 | 2009-08-20 | Mitsubishi Heavy Ind Ltd | Printing method by offset printing machine and offset printing machine |
WO2009101901A1 (en) * | 2008-02-14 | 2009-08-20 | Mitsubishi Heavy Industries, Ltd. | Printing method by offset printer, and offset printer |
JP2011148161A (en) * | 2010-01-20 | 2011-08-04 | Mitsubishi Heavy Industries Printing & Packaging Machinery Ltd | Printing machine |
JP2015093435A (en) * | 2013-11-13 | 2015-05-18 | 大日本印刷株式会社 | Printer and printing method |
CN111497481A (en) * | 2020-04-29 | 2020-08-07 | 敬业(东莞)印刷包装厂有限公司 | Method for improving matte coating surface treatment effect of coated paper |
-
1988
- 1988-05-23 JP JP12387188A patent/JPH01294038A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009184201A (en) * | 2008-02-05 | 2009-08-20 | Mitsubishi Heavy Ind Ltd | Printing method by offset printing machine and offset printing machine |
WO2009101901A1 (en) * | 2008-02-14 | 2009-08-20 | Mitsubishi Heavy Industries, Ltd. | Printing method by offset printer, and offset printer |
JP2009190271A (en) * | 2008-02-14 | 2009-08-27 | Mitsubishi Heavy Ind Ltd | Printing method by offset press and offset press |
JP2011148161A (en) * | 2010-01-20 | 2011-08-04 | Mitsubishi Heavy Industries Printing & Packaging Machinery Ltd | Printing machine |
JP2015093435A (en) * | 2013-11-13 | 2015-05-18 | 大日本印刷株式会社 | Printer and printing method |
CN111497481A (en) * | 2020-04-29 | 2020-08-07 | 敬业(东莞)印刷包装厂有限公司 | Method for improving matte coating surface treatment effect of coated paper |
CN111497481B (en) * | 2020-04-29 | 2021-08-06 | 敬业(东莞)印刷包装厂有限公司 | Method for improving matte coating surface treatment effect of coated paper |
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