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51. 发明专利

JPH11105404A STENCIL PRINTING MACHINE 失效
公开(公告)号：JPH11105404A
公开(公告)日：1999-04-20
申请号：JP28123997
申请日：1997-09-30
申请人： RISO KAGAKU CORP
发明人： WATANABE HIDEO , UCHIYAMA KOICHI , KATSUYAMA JUNNOSUKE
IPC分类号： B41L13/18
摘要： PROBLEM TO BE SOLVED: To improve the drying property of an ink, prevent a transfer set-off and a strike-through from arising, and prevent a side leakage and a bottom leakage from arising by a method wherein a porous member on the peripheral wall of a cylindrical plate cylinder is soaked with a hot melt ink which reversibly phase-changes, in advance, and the ink is changed from a solid state to a liquid state by heating the outer peripheral surface. SOLUTION: For this device, for the peripheral wall of an ink passable cylindrical plate cylinder 1, a screen mesh 1b of a polyester fiber is wound on the outer peripheral surface of a cylindrical punching metal 1a. Also, in the peripheral wall of the plate cylinder 1, a hot melt ink 9 is filled in advance, and on the outer peripheral surface, a stencil base paper 2 which has been made into a plate already is wound. In addition, in the vicinity of the external surface of the plate cylinder 1, a halogen lamp 3 having a reflector plate 5 for heating is provided. At the time of printing, the hot melt ink 9 under a solid state, soaked in the plate cylinder 1, is heated and becomes a liquid state, and is pushed out to the outside of the plate cylinder 1 by a squeegee roller 6, and the liquid-form ink is transferred to a printing paper 8, and the liquid-form ink instantly becomes a solid-form ink 10, and a set-off or the like can be prevented from arising.

52. 发明专利

JPH1134472A METHOD AND APPARATUS FOR PRINTING STENCIL 失效
公开(公告)号：JPH1134472A
公开(公告)日：1999-02-09
申请号：JP19733597
申请日：1997-07-23
申请人： RISO KAGAKU CORP
发明人： UCHIYAMA KOICHI
IPC分类号： B41F15/42 , B41F15/44 , B41L13/18
摘要： PROBLEM TO BE SOLVED: To conduct stencil printing with satisfactory image quality and with little backside copy without transferring more than necessary ink to a medium to be printed. SOLUTION: A printing sheet 12 is disposed on a lower surface of a resin film 15 of a stencil base sheet 13 formed with a perforated image 15a and, when a roller 6 made of gel-like substance coated with thin ink 11 on its periphery is pressed from an ink passable support 14 side of the sheet 13 toward the sheet 13, part of a surface of the roller 6 coated with the ink 11 is intruded into the image 15a of the sheet 13 to be brought into pressure contact with the sheet 13 so that the ink 11 is transferred in a shape corresponding to a shape of the image 15a to a surface of the sheet 13.

53. 发明专利

JPH10305553A METHOD AND DEVICE FOR MAKING PLATE OF MIMEOGRAPH STENCIL PAPER 失效
公开(公告)号：JPH10305553A
公开(公告)日：1998-11-17
申请号：JP11370597
申请日：1997-05-01
申请人： RISO KAGAKU CORP
发明人： UCHIYAMA KOICHI , GOTO MARIKO
IPC分类号： B41L13/02 , B41C1/14 , B41N1/24
摘要： PROBLEM TO BE SOLVED: To enable representation of gray level corresponding to the extent of a hand pressure as a hand written character in accordance with will of a writer by means of a compact and low cost device. SOLUTION: A face 10 having fine irregularities is formed on a base body 8 in a plate making device 7. Hard fine particles are provided on the face 10. The particles are so constituted that plural kinds of particles having different diameters are arranged at random. A stencil paper 3 for mimeograph printing is overlapped on the face 10 having irregularities in the plate making device 7. When writing is executed from the top by means of a pencil or the like, a fine cut line is opened at portion where the pressing is applied on a resin film of the stencil paper 3. By a small pressure, a portion which contacts the fine particles having great diameters is opened to make holes and by a great pressure, a portion which contacts the fine particles having small and great diameters is opened to make holes. By an intermediate pressure, a portion which contacts the fine particles having great or intermediate diameters is opened to make holes. Thus, the number of holes opened on the resin film is changed corresponding to level of the hand pressure so that a difference of the density can be represented.

54. 发明专利

JPH10129098A METHOD AND APPARATUS FOR PRESSURE-REDUCTION TYPE STENCIL PRINTING 失效
公开(公告)号：JPH10129098A
公开(公告)日：1998-05-19
申请号：JP30396496
申请日：1996-10-30
申请人： RISO KAGAKU CORP
发明人： UCHIYAMA KOICHI
IPC分类号： B41F15/20 , B41L13/02
摘要： PROBLEM TO BE SOLVED: To carry out stencil printing in a short time in a simple operation, by instantaneously reducing a pressure of a pressure chamber by a section force when a shape-restorable air chamber is restored in shape after compressed. SOLUTION: A printing paper P is placed on a rubber sheet 11, and a second plate member 2 is covered over a first plate member 1. At this time, a pressure chamber is defied by the first plate member 1, the second plate member 2 and an elastic frame body 3. When an operator depresses the second plate member 2, an air chamber 4 is compressed and deformed, and a soft sheet 5b is slightly raised, whereby the air inside the air chamber 4 is discharged through a hole 5a. When the operator takes his hand off the second plate member 2, the hole 5a is shut by the soft sheet 5b and accordingly, the air inside the pressure chamber is instantaneously sucked from an opening 13. A pressure in the pressure chamber is decreased. As a result, a thin part 21 presses an ink 7 of a stencil original 61 to the printing paper P. The ink 7 penetrates a bored part of the stencil original 61 and is transferred to the printing paper P.

55. 发明专利

JPH09202029A PRESSING TYPE STENCIL PRINTING METHOD AND DEVICE THEREFOR 失效
公开(公告)号：JPH09202029A
公开(公告)日：1997-08-05
申请号：JP3303896
申请日：1996-01-25
申请人： RISO KAGAKU CORP
发明人： UCHIYAMA KOICHI , KATSUYAMA JUNNOSUKE
IPC分类号： B41L13/02
摘要： PROBLEM TO BE SOLVED: To print by using a stencil plate base paper having a large printing face even when a device is small and print also on a large matter to be printed, in a pressing type stencil printing device having a pressing plate for transferring a printing ink on a matter to be printed which is butting against an opposite side of the stencil plate base paper by pressing a printing ink placing face of a processed stencil plate base paper having the printing ink placed thereon. SOLUTION: A stencil plate base paper support means 5 which can support a stencil plate base paper S having an area larger than a pressing face of a pressing plate 2 by making it opposite to the pressing plate is provided. The stencil plate base paper support means is arranged movably in parallel with the pressing plate. The stencil plate base paper support means is moved to the pressing plate so as to make it press a different part of the stencil plate base paper. Further, a matter to be printed support means 7 which is movable in parallel with the pressing plate is provided so as to make the matter to be printed also movable. Also, moving position display means (61, 75a, 75b) which display relative positions for the stencil plate base paper support means and the device of the matter to be printed support means are provided.

56. 发明专利

JPH09197996A COLOR IMAGE DISPLAY DEVICE 失效
公开(公告)号：JPH09197996A
公开(公告)日：1997-07-31
申请号：JP494596
申请日：1996-01-16
申请人： RISO KAGAKU CORP
发明人： IKEDA HIROYUKI , UCHIYAMA KOICHI
IPC分类号： G09F19/14
摘要： PROBLEM TO BE SOLVED: To provide the color image display device which changes in color and has high visual effect. SOLUTION: A color sheet 11 has a color area 12 consisting of color zones of primary colors of cyan, magenta, and yellow arrayed in specific order and in parallel. A light shield sheet 13 has a striped light shield area 14 which hides part of the color area 12. The color area 12 is provided on the back of a transparent spacer plate and the light shield area 14 is provided on the front surface. The color sheet 11 is seen in gray, etc., on the whole since the respective colors are mixed, but an image of a specific color appears at the part covered by the light shield area 14 because of the color mixture of uncovered colors. How the colors of the color area are hidden depends upon the visual angle of an observer. The color of an observed image changed with the angle at which the color image display device is seen.

57. 发明专利

JPH09150569A COLOR IMAGE FORMING SHEET 失效
公开(公告)号：JPH09150569A
公开(公告)日：1997-06-10
申请号：JP31087295
申请日：1995-11-29
申请人： RISO KAGAKU CORP
发明人： UCHIYAMA KOICHI
IPC分类号： B41M3/06 , B41C1/14 , B41M1/12 , B41M1/14 , B41M1/18 , B41M5/34 , G03C7/04
摘要： PROBLEM TO BE SOLVED: To provide a color image by using a color image forming sheet (color sheet) and a cover sheet. SOLUTION: A color sheet 1 is provided with a white sheet-shaped base. Color belts C, M and Y arranged in a given order in parallel one another are printed by three primary colors of cyan, magenta and yellow on the surface of the base to form color areas 7. As parts of the base are coated with the color areas 7, the base is exposed in the direction crossing orthogonally with the longitudinal direction of color belts C, M and Y to form ground color areas 8 on which white color as the ground color is observed. The color 1 looks like gray or the like as a whole by the mixture of respective colors, and also looks bright as the white ground color areas 8 are provided. A covering sheet 82 is formed by printing black ink on a transparent sheet. Images A, B and C are formed by black belts 81 with different width, intervals and others on the images A, B and C. The covering sheet 82 is overlapped on the color sheet 1. Thus a color image material provided with images A, B and C of different colors respectively disposed in the mixed colors of the color sheet 1 by the mixture of primary colors not covered by the black belts 81 is formed.

58. 发明专利

JPH08310102A FORMATION OF COLOR IMAGE 失效
公开(公告)号：JPH08310102A
公开(公告)日：1996-11-26
申请号：JP11710195
申请日：1995-05-16
申请人： RISO KAGAKU CORP
发明人： UCHIYAMA KOICHI
IPC分类号： B41L13/04 , B41M1/12 , B41M1/14 , B41M3/00 , B41M5/00 , B41M5/26
摘要： PURPOSE: To provide a method for forming a simple color image which provides a color image by one operation. CONSTITUTION: The three primary color inks of cyan C, magenta M, and yellow Y are printed on the surface of a color image forming sheet 1 alternately in a strip form of a prescribed width, leaving no space. The image forming sheet 1 looks generally gray due to the mixture of the colors. A covering sheet 82 is made by printing a black ink to a transparent sheet. An image ABC is composed of black stripes 81. The black stripes 81 have a different width and interval for each of the image ABC. The covering sheet 82 is superposed on the color image forming sheet 1. The mixture of the primary colors which are not covered by the black stripes 81 provide a color image where images A, B and C of a different color are arranged in the background color of the color image forming sheet 1.

59. 发明专利

JPH08197863A MANUFACTURE OF STENCIL PAPER ASSEMBLY AND PAPER CARTRIDGE 失效
公开(公告)号：JPH08197863A
公开(公告)日：1996-08-06
申请号：JP1278895
申请日：1995-01-30
申请人： RISO KAGAKU CORP
发明人： UCHIYAMA KOICHI
IPC分类号： B41N1/24 , B65D85/67
摘要： PURPOSE: To manufacture a stencil paper assembly by correctly processing a stencil paper in use of a line thermal head such as a facsimile. CONSTITUTION: The case 2 of a paper cartridge 1 corresponds to the configurational dimensions of the housing part of a line thermal printer 10. The case 2 includes a stencil paper S rolled into a cylinder in its inside. The width of the stencil paper S is smaller than the printing width of a thermal head 13. The stencil paper S is pressed by a partition 2a within the case 2 so as not to shift toward the axial direction. The stencil paper is drawn out of an opening of the case, and processed by the thermal head 13 and a platen roller 14. The processed stencil paper S is cut by a cutting device to thereby be a sheet, and then it is provided with a frame to thus be made into a stencil paper assembly.

60. 发明专利

JPH0825782A ROTARY STENCIL PRINTER 失效
公开(公告)号：JPH0825782A
公开(公告)日：1996-01-30
申请号：JP16228994
申请日：1994-07-14
申请人： RISO KAGAKU CORP
发明人： UCHIYAMA KOICHI
IPC分类号： B41L13/04 , B41L13/18
摘要： PURPOSE:To largely variably control an ink supply quantity with a simple structure and to reduce the occurrence of spoilage and strike-through. CONSTITUTION:Ink supply means 42 is provided in a plate cylinder 1, and ink K is charged in the means 42. When predetermined pneumatic pressure is applied by pressurizing means, ink of the corresponding quantity is supplied to the cylinder 1 side, and can be largely varied. The transfer quantity of the ink to a stencil raw sheet and a print sheet on the cylinder 1 can be regulated by regulating the pressure. A suction unit 45 is provided at the side of the means 42 to once suck the ink K transferred to a print sheet to reduce the height of the placed ink K thereby to print with the ink K of necessary minimum limit, thereby preventing a strike-through.

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