| Patent Number |
Title Of Patent |
Date Issued |
| 7396448 |
Method for roll to be processed before forming cell and method for grinding roll |
July 8, 2008 |
| There are provided a plating method for a roll and a grinding method before a cell is formed in which copper sulfate plating having a uniform thickness without any particles or pits can be applied to the roll for a gravure printing, both a middle finish grinding and a mirror surface |
| 7069851 |
Gravure printing method and gravure printed item |
July 4, 2006 |
| This invention provides a gravure printing method and a gravure printed item under application of cells of AM screen and cells of FM screen. The cells corresponding to the letters and the lettering images requiring a dark ink concentration and the like are formed by the AM screen and the |
| 6911300 |
Photogravure plate making method |
June 28, 2005 |
| There is provided a photogravure plate making method capable of performing a quite superior photogravure plate making operation while it has a requisite and sufficient developing latitude under non-heating condition after forming a coating film and while applying a positive O-type therma |
| 5338627 |
Method for manufacturing rotary screen |
August 16, 1994 |
| A method of manufacturing a rotary halftone screen which has no slit or meshless portion by the use of galvano process including a step of exposing the roll coated with high-sensitivity photosensitive film by a multiple number of laser beams. The multiple number of laser beams are co |
| 5328537 |
Method for manufacturing screen printing plate |
July 12, 1994 |
| A method of manufacturing a screen printing plate which can be obtained without using a mother mesh sheet and a resist film including a step of providing a non-plating area on the roll and exposing the roll coated with high-sensitivity photosensitive film by a multiple number of laser be |
| 5279861 |
Method of coating a thin photosensitive or protective film on a printing roll |
January 18, 1994 |
| A coating method is performed by positioning a coating roll directly beneath one end of a predetermined coating range of a printing roll so that the coating roll is perpendicular to the printing roll. The rotating roll rotates and carries a coating liquid which is to be coated on the |
| 5253006 |
Moving-unit type developing method and a moving-unit type developing apparatus |
October 12, 1993 |
| A developing method and apparatus for performing a multi-treatment that comprises developing, washing, and drying a roll which is to be made into a printing plate. The treatments are performed by a single developing unit that includes a developing solution apply brush, a solution wash-aw |
| 5201951 |
Device for coating a photosensitive film on a plate roll |
April 13, 1993 |
| A plate making device for a plate roll that is to be made into a printing plate in which a pretreatment assembly, a photosensitive film coating assembly, and a protective film coating assembly are respectively installed on three separate tables that can be raised and lowered relative |
| 5164285 |
Method for forming plate characters in a half-tone gravure platemaking process |
November 17, 1992 |
| A method for forming plate characters in a half-tone gravure platemaking process wherein the laser beam is moved so that it will be irradiated on a light sensitive material for forming a plate character on the light-sensitive material by exposure. The plate character is made with a f |
| 5122897 |
Optical beam modulating device |
June 16, 1992 |
| An optical beam modulating device used for recording halftone plate duplicate images on a recording material including two multi-channel optical beam modulators, each including a rectangular parallelepiped modulator crystal which has a prescribed number of acoustic electrodes install |
| 5023166 |
Method for forming plate characters in a half-tone gravure platemaking process |
June 11, 1991 |
| A method for forming plate characters in a half-tone gravure platemaking process being characterized in that a laser beam moved so that the laser beam is intermittently irradiated onto a light sensitive material and a plate character is formed on the light-sensitive material by exposure. |
| 5019486 |
Method for forming plate characters in a half-tone gravure platemaking process |
May 28, 1991 |
| A method for forming plate characters in a half-tone gravure platemaking process in which a laser beam intermittently irradiates a photosensitive material, thus forming plate characters therein as a result of exposure by the laser beam. The outline portion of each character is made up of |
| 4998260 |
Method for correcting the path of a gas laser beam |
March 5, 1991 |
| A method for correcting the path of a gas laser beam by reflecting the beam with a first mirror, further reflecting such reflected beam with a second mirror, and then reflecting the beam reflected by the second mirror with a first half-mirror, passing such reflected beam through a conden |
| 4997261 |
Optical beam splitter |
March 5, 1991 |
| An optical beam splitter which splits a single light into a plurality of split beams including a plurality of transparent plates of uniform thickness arranged in a stack with fully reflective films coated on the transparent plates at both ends of the stack and semi-reflective films c |
| 4960320 |
Optical beam splitting method and an optical beam splitting/modulation method |
October 2, 1990 |
| An optical beam splitting method and optical beam splitting/modulating method for recording halftone plate images on a recording material through controlling a light exposing device by image signals obtained by photoelectric manipulation of an original image. Two light beam splitters |
| 4925271 |
Optical beam splitter |
May 15, 1990 |
| An optical beam splitter including a prescribed number of stacked transparent parallel plates whose thicknesses are uniform to a high degree of precision, the back surface of the transparent parallel plate which is the farthest from the side at which light beam that is to be split enters |
| 4519887 |
Apparatus for automatically attaching and detaching cassette-type rolls |
May 28, 1985 |
| The invention is concerned with an apparatus for automatically attaching and detaching cassette-type rolls, which is suited for plating peripheral surfaces of the roll having shaft, and particularly for plating peripheral surfaces of a photogravure roll, with copper or chromium. The conv |
