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1. 发明专利

JPS5834453A SCREEN AND ITS PREPARATION 失效
公开(公告)号：JPS5834453A
公开(公告)日：1983-02-28
申请号：JP13238381
申请日：1981-08-24
申请人： TOPPAN PRINTING CO LTD
发明人： MASUDA TOSHIROU , SHIBATA TAKAO , NOJIMA MASAKI , TANAKA YOUICHI , SHIBATA NORICHIKA
IPC分类号： G03F5/20 , G03F5/00 , G03F5/12 , G03F5/22
摘要： PURPOSE:To form a gravure screen causing no Moire pattern, by joining each intersection point of figures consisting of groups of irregular polygons except a straight line segment corresponding to a side in a prescribed direction, and using a pattern consisting of a large number of obtained irregular broken lines. CONSTITUTION:Each intersection point, such as A-F, of a pattern shown in dotted lines, obtained by connecting squares 2-dimensionally is randomly moved as follows: Average movement distance is about 1/4 the length of one side of the square; its standard deviation is about 1/8 the length of one side of the square; and the movement direction is optional direction around the intersection point. The obtained points A'-F' are connected except lateral line segments corresponding to the initial lateral line segments joining the points, resulting in forming line segments consisting only of substantially vertical line segments. A screen is formed by using a pattern consisting of the obtained irregular broken lines.

2. 发明专利

JPS57122441A Screen for gravure and its production 失效
标题翻译：筛选及其生产画面
公开(公告)号：JPS57122441A
公开(公告)日：1982-07-30
申请号：JP821281
申请日：1981-01-22
申请人： Toppan Printing Co Ltd
发明人： TANAKA YOUICHI , MASUDA TOSHIAKI
IPC分类号： G03F5/12 , G03F5/20
CPC分类号： G03F5/20 , G03F5/12
摘要： PURPOSE: To prevent the generation of moires between screens for gravure or between the screen for gravure and a halftone positive by forming irregular polygonal patterns of areas changing irregularly within a prescribed range.
CONSTITUTION: The dots in the cell parts of a screen for gravure consist of irregular polygons, and the length of transparent or opaque straight lines forming the polygon changes irregularly within a prescribed range. The areas of said irregualr polygon change irregularly within a prescribed range; in addition, polygons having different numbers of angle are included. To obtain said screen, the points of intersection of the repetitive patterns of a regular polygon are beforehand recorded. Next, the irregularities within a prescribed range are given and the new points corresponding to each of points of intersection are determined and recorded. These new points are connected to form polygonal patterns. Thence, the areas thereof are determined and are so corrected as to come within a prescribed range.
COPYRIGHT: (C)1982,JPO&Japio
摘要翻译：目的：为了防止在凹版印刷之间产生摩擦，或者通过在规定范围内不规则地变化的不规则多边形图案形成不规则的多边形图案，在凹版印刷的屏幕和中间色调之间产生阳光。构成：用于凹版的屏幕的单元部分中的点由不规则多边形组成，并且形成多边形的透明或不透明直线的长度在规定范围内不规则地变化。所述不规则多边形的面积在规定范围内不规则地变化; 另外还包括具有不同角度数的多边形。为了获得所述屏幕，预先记录正多边形的重复图案的交点。接下来，给出规定范围内的不规则度，并且确定和记录与每个交点相对应的新点。这些新点连接形成多边形图案。因此，其面积被确定并且被校正为在规定范围内。

3. 发明专利

JPS5834458A PRODUCTION OF SCREEN 失效
公开(公告)号：JPS5834458A
公开(公告)日：1983-02-28
申请号：JP13238881
申请日：1981-08-24
申请人： TOPPAN PRINTING CO LTD
发明人： MASUDA TOSHIROU , SHIBATA TAKAO , NOJIMA MASAKI , TANAKA YOUICHI , SHIBATA NORICHIKA
IPC分类号： G03F5/20 , G03F5/00 , G03F5/12 , G03F5/22
摘要： PURPOSE:To eliminate a moire to be generated on a gravure screen, by using an irregular polygon pattern formed by shifting irregularly the position of each intersection of each segment of line forming an irregular polygon within a prescribed range, as an original pattern of (opaque) transparent segments of lines of the screen. CONSTITUTION:The intersections (A-I) of segments of lines forming an irregular polygon such as a rectangle (dotted lines) are shifted at random (e.g., horizontal and vertical displacement limited to + or -X/2 and + or -Y/2 respectively). The obtained points A'-F' are connected in correspondence to the original rectangle forming segments of lines. Thus a pattern (solid lines) is formed with an irregular rectangle. This irregular polygonal pattern is used to an original pattern of transparent or opaque segments of lines of a gravure screen. The screen causes no moire since the transparent or opaque segments of lines have an irregular change.

4. 发明专利

JPS5817182A INK FOR TUBULAR HOLLOW PEN 失效
公开(公告)号：JPS5817182A
公开(公告)日：1983-02-01
申请号：JP10622782
申请日：1982-06-22
申请人： TOPPAN PRINTING CO LTD , TOYO INK MFG CO
发明人： SAWADA YOSHIKATSU , TANAKA YOUICHI , SAWADA MANABU
IPC分类号： C09D11/00 , C09D11/02 , C09D11/16
摘要： PURPOSE:To provide the titled ink consisting of a specified water-soluble direct dye, an organic solvent compatible with water and water, and giving consistent writings even after the pen nozzle has been left in the air for a long period. CONSTITUTION:The ink is prepared by blending 0.5-14wt% water-soluble polyazo direct dye of the formula (where X is H, halogen, methyl, ethyl, methoxy or ethoxy), 28-40wt% organic solvent having a good compatibility with water, vapor pressure of 0.1mm.Hg or lower at normal temp. and surface tension of at least 400dyn/cm and the balance of water.

5. 发明专利

JPS5834459A SCREEN AND ITS PRODUCTION 失效
公开(公告)号：JPS5834459A
公开(公告)日：1983-02-28
申请号：JP13238981
申请日：1981-08-24
申请人： TOPPAN PRINTING CO LTD
发明人： MASUDA TOSHIROU , SHIBATA TAKAO , NOJIMA MASAKI , TANAKA YOUICHI , SHIBATA NORICHIKA
IPC分类号： G03F5/20 , G03F5/00 , G03F5/12 , G03F5/22
摘要： PURPOSE:To eliminate a moire to be generated on a gravure screen, by using a pattern containing numbers of folded segments of lines having irregular lengths which are arrayed in a certain direction. CONSTITUTION:A prescribed starting line vector 4 is set, and a mobile vector which changes irregularly its length and direction within a prescribed range to the vector 4 is produced. Numbers of such mobile vectors are set continuous to each other to obtain a segment pattern 5 which is folded irregularly (e.g., average size of cell: 100mu; average time length: 100mu; standard deviation: 20mu; folding angle: average angle 0 deg. with direction 0 deg. of starting line vector and with standard deviation 20 deg.). These patterns 5 are arranged in a certain direction so as to secure a certain space for the starting vector. An array pattern thus obtained is used to the original pattern including (opaque) transparent segments of lines of a gravure screen.

6. 发明专利

JPS5834457A SCREEN AND ITS PRODUCTION 失效
公开(公告)号：JPS5834457A
公开(公告)日：1983-02-28
申请号：JP13238781
申请日：1981-08-24
申请人： TOPPAN PRINTING CO LTD
发明人： MASUDA TOSHIROU , SHIBATA TAKAO , NOJIMA MASAKI , TANAKA YOUICHI , SHIBATA NORICHIKA
IPC分类号： G03F5/20 , G03F5/00 , G03F5/12 , G03F5/22
摘要： PURPOSE:To eliminate a moire to be generated on a gravure screen, by using a pattern including a combination of an irregularly folded lines and smooth curved lines or irregularly and curved smooth lines. CONSTITUTION:The intersections (e.g., A-F) of a pattern containing 2-dimensional regular squares adjacent to each other are shifted at random (e.g., average shift distance: about 1/4 length of a side of a square, standard deviation: about 1/8 length of a side of a square; shift direction: all angles around intersections). Then the obtained points A'-F' are connected in correspondence to the forming segments of lines of the original square to obtain a pattern containing folded lines. Using this pattern, a gravure screen is formed. Each segment of line of a pattern including irregular folded lines can be converted into a segment which is approximated with a smooth curved line.

7. 发明专利

JPS55125174A INK FOR HOLLOW PEN 失效
公开(公告)号：JPS55125174A
公开(公告)日：1980-09-26
申请号：JP3366479
申请日：1979-03-22
申请人： TOPPAN PRINTING CO LTD , TOYO INK MFG CO
发明人： SAWADA YOSHIKATSU , TANAKA YOUICHI , SAWADA MANABU
IPC分类号： C09D11/00 , C09D11/16 , C09D11/17
摘要： PURPOSE:To provide an ink which give stable drawing even when pen nozzle is allowed to stand for a prolonged period and which consists of a water-soluble dye, water and a solvent having specified surface tension and vapor pressure. CONSTITUTION:There is provided an ink consisting of a water-soluble dye, water and a solvent having surface tension of not less than 30dyne/cm (20-25 deg.C) and vapor pressure of not more than 0.1mmHg (20-25 deg.C) and contg. 28-40wt% of said solvent based on the combined weight of the ink. Examples of water-soluble dyes are direct dyes, acid dyes and basic dyes. Preferred dyes are polyazo dyes of the formula (wherein X is H, hologen, methyl, ethyl, methoxy, ethoxy). Examples of solvents are ethylene glycol, diethylene glycol, triethylene glycol, and glycerin.

8. 发明专利

JPS5834456A PRODUCTION OF SCREEN 失效
公开(公告)号：JPS5834456A
公开(公告)日：1983-02-28
申请号：JP13238681
申请日：1981-08-24
申请人： TOPPAN PRINTING CO LTD
发明人： MASUDA TOSHIROU , SHIBATA TAKAO , NOJIMA MASAKI , TANAKA YOUICHI , SHIBATA NORICHIKA
IPC分类号： G03F5/20 , G03F5/00 , G03F5/12 , G03F5/22
摘要： PURPOSE:To eliminate the moires and the roughness for a gravure screen, by using a pattern that is obtained by giving a correction to a pattern containing irregular polygons including irregular folded lines arrayed horizontally and vertically so that the area of said irregular polygons is within a prescribed range. CONSTITUTION:The mobile vectors are produced at random starting at the end points of plural starting line vectors 4 which are arrayed with a certain space among them. Then the next mobile vectors are produced at random starting at the end points of the vectors 4. These operations are repeated to obtain a group of irregular folded lines 5. These groups of lines 5 are combined vertically and horizontally to obtain a pattern including irregular polygons. In order to limit the area of these polygons within a prescribed range, the segments of lines (thick solid line) is added to reduce the area and the segments of lines (dotted lines) connecting intersections are eliminated to increase the area respectively. The pattern thus obtained is used to form a gravure screen.

9. 发明专利

JPS5834460A SCREEN AND ITS PRODUCTION 失效
公开(公告)号：JPS5834460A
公开(公告)日：1983-02-28
申请号：JP13239081
申请日：1981-08-24
申请人： TOPPAN PRINTING CO LTD
发明人： MASUDA TOSHIROU , SHIBATA TAKAO , NOJIMA MASAKI , TANAKA YOUICHI , SHIBATA NORICHIKA
IPC分类号： G03F5/20 , G03F5/00 , G03F5/12 , G03F5/22
摘要： PURPOSE:To eliminate a moire to be generated on a gravure screen, by forming a pattern with the (opaque) transparent segments of lines arrayed the segments of lines having irregular length and direction within a prescribed range, irregularly in a prescribed range. CONSTITUTION:The intersections A-F of a pattern (dotted lines) containing the 2-dimensional regular squares adjacent to each other are shifted at random (e.g., average shift distance: about 1/4 length of a side of a square; standard deviation: about 1/8 length of a side of a square; shift direction: all angles around intersections). The obtained points A'-F' are connected to each other in correspondence to the original regular square forming segments of lines (dolid lines) to obtain a pattern including irregular squares. Then the segments are irregularly produced with a 1/5l space within a l-14/5l range for examle (l: length of a side of the original regular square). For this segment of line, each angle 0 deg., + or -30 deg., + or -60 deg. is selected irregularly, and making the center of each segment pass through a new point after a shift at each angle. In such way, an original pattern is formed.

10. 发明专利

JPS5834455A SCREEN AND ITS PRODUCTION 失效
公开(公告)号：JPS5834455A
公开(公告)日：1983-02-28
申请号：JP13238581
申请日：1981-08-24
申请人： TOPPAN PRINTING CO LTD
发明人： MASUDA TOSHIROU , SHIBATA TAKAO , NOJIMA MASAKI , TANAKA YOUICHI , SHIBATA NORICHIKA
IPC分类号： G03F5/20 , G03F5/00 , G03F5/12 , G03F5/22
摘要： PURPOSE:To eliminate a moire pattern and to reduce the roughness for a gravure screen, by using a pattern including numbers of irregular folded lines having cut parts. CONSTITUTION:The intersections (e.g., A-F) of a pattern (dotted lines) of 2- dimensional regular squares adjacent to each other are shifted at random (average shift distance: about 1/4 length of a side of a square; standard deviation of said shift distance: about 1/8 length of a side of a square; shift direction: all angles around intersections). The obtained points A'-F' are connected (solid lines) with a relation equivalent to that between original intersections. Thus a pattern including irregular squares is obtained. Then the segments of lines connecting among intersections and having smaller length than a prescribed value (shown by dotted lines) are erased to obtain a pattern. Using this pattern, a gravure screen is formed.

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