Patent application number | Description | Published |
20080216697 | CONTACT-PRESSURE ADJUSTING METHOD AND CONTACT-PRESSURE ADJUSTING SYSTEM FOR LIQUID APPLICATION MACHINE - Disclosed is a contact-pressure adjusting method and a contact-pressure adjusting system, each of which automatically adjusts the contact pressure between two rotors, for a liquid application machine including: a first rotor to which liquid is supplied; a second rotor to which the liquid is supplied from the first rotor; and a contact-pressure adjusting unit for adjusting the contact pressure between the first rotor and the second rotor. By using a temperature measuring unit, measured is: the temperature of at least one of the surfaces of the first and second rotors; the temperature of at least one of the liquid on the surface of the first rotor and the liquid on the surface of the second rotor; or the temperature of at least one of the vicinity of the first rotor and the vicinity of the second rotor. The contact-pressure adjusting unit is adjusted in accordance with the measured temperature. | 09-11-2008 |
20080257186 | DRYING APPARATUS FOR SHEET - In a printing press equipped with a UV lamp for drying UV ink printed on a sheet transported by a transfer cylinder and a delivery cylinder, the UV lamp is accommodated within each of the transfer cylinder and the delivery cylinder, and is supported to be non-pivotable with respect to frames and immovable in the axial direction of the cylinder when the printing press is in operation. | 10-23-2008 |
20080307986 | Liquid transfer member pressing force adjusting method and apparatus of rotary stencil printing plate liquid coating machine - A rotary screen printing press includes, a rotary screen cylinder which supports a screen printing forme and is supported rotatably; an impression cylinder which is provided to oppose the rotary screen cylinder, and is supported rotatably; and a squeegee which is located within the rotary screen cylinder and, during printing, contacts an inner peripheral surface of the screen printing forme, while being pressed against it, to transfer ink stored within the rotary screen cylinder to a material to be printed, which is held on the impression cylinder, via holes of the screen printing forme. The printing press has a squeegee throw-on and throw-off control device which controls the pressing force of the squeegee acting on the inner peripheral surface of the screen printing forme during printing in accordance with the type and thickness of the material to be printed. | 12-18-2008 |
20080307987 | Liquid transfer member position adjusting method and apparatus of rotary stencil printing plate liquid coating machine - A rotary screen printing press includes, a rotary screen cylinder which supports a screen printing forme and is supported rotatably; an impression cylinder which is provided to oppose the rotary screen cylinder, and is supported rotatably; and a squeegee which is located within the rotary screen cylinder and, during printing, contacts an inner peripheral surface of the screen printing forme, while being pressed against it, to transfer ink stored within the rotary screen cylinder to a material to be printed, which is held on the impression cylinder, via holes of the screen printing forme. The printing press has a setting instrument for setting the length in the transport direction of the material to be printed, and a squeegee throw-on and throw-off control device for controlling the squeegee to be moved to a retreat position in accordance with the length in the transport direction of the material to be printed which has been set by the setting instrument. | 12-18-2008 |
20080314267 | Printing quality control method and apparatus for printing press - A printing quality control method and apparatus are disclosed for an intaglio printing press including an intaglio cylinder which is supplied with ink, an impression cylinder opposing the intaglio cylinder, and holding a sheet which is supplied with the ink from the intaglio cylinder, and a motor for adjusting a printing pressure between the intaglio cylinder and the impression cylinder. The emboss amount of a printing product of printing by the intaglio printing press is measured by a face side distance measuring instrument and a reverse side distance measuring instrument, and the motor for adjusting the printing pressure between the intaglio cylinder and the impression cylinder is drivingly controlled based on the emboss amount measured. | 12-25-2008 |
20080314269 | Printing quality control method and apparatus for printing press - A printing quality control method and apparatus are disclosed for a printing press including an ink fountain for storing ink, and a motor for driving an ink fountain roller which adjusts the amount of ink supplied from the ink fountain. According to the method and apparatus, a face side distance measuring instrument measures the ink film thickness of a printing product of printing by the printing press, and control means controls the motor for driving the ink fountain roller based on the ink film thickness measured. | 12-25-2008 |
20080314270 | Ink supply amount adjustment method and system for relief printing press - Provided are an ink supply amount adjustment method and system for a relief printing press which enable a reduction in a burden of the operator by enabling automatic adjustment of an ink fountain key opening degree and an ink fountain roller rotation speed on the basis of the width or the area of a line portion measured in advance, and a reduction in costs by reducing the amount of waste paper to be produced, the relief printing press including: an ink fountain for storing ink; and ink fountain keys and an ink fountain roller for adjusting the amount of ink supplied from the ink fountain. The width of a line portion printed on paper by the relief printing press is measured by a width measuring camera, and the ink fountain key opening degrees and the ink fountain roller rotation speed are controlled on the basis of the obtained line-portion width. | 12-25-2008 |
20080314277 | Printing quality control method and system for relief printing press - Provided are an ink supply amount adjustment method and system for a relief printing press including: a first rotor, such as an ink form roller, to which ink is supplied; a second rotor, such as a plate cylinder, to which the ink is supplied from the first rotor; and adjustment means, such as a motor, for adjusting, for example, the nip pressure between the first rotor and the second rotor. The width of a line portion printed on paper W by the relief printing press is measured by a line-width measuring camera, and the adjustment means such as the motor is controlled on the basis of the line portion width obtained by the line-width measuring camera. | 12-25-2008 |
20090000497 | Liquid transfer member pressing force adjusting method and apparatus of rotary stencil printing plate liquid coating machine - A rotary screen printing press includes a rotary screen cylinder which supports a screen printing forme and is supported rotatably; an impression cylinder which is provided to oppose the rotary screen cylinder, has a groove portion provided in an outer peripheral surface thereof, the groove portion accommodating a gripper device for holding a material to be printed, and is supported rotatably; and a squeegee which is located within the rotary screen cylinder and, during printing, contacts an inner peripheral surface of the screen printing forme, while being pressed against it, to transfer ink stored within the rotary screen cylinder to the material to be printed, which is held on the impression cylinder, via holes of the screen printing forme. The printing press has a squeegee throw-on and throw-off control device which, when the squeegee opposes the groove portion of the impression cylinder, brings the squeegee into contact with the inner peripheral surface of the screen printing forme, and controls the pressing force of the squeegee acting on the inner peripheral surface of the screen printing forme to be lower than its pressing force exerted during printing. | 01-01-2009 |
20090041931 | Liquid supply apparatus and method of manufacturing plate therefor - A screen printing unit equipped with a rotary screen apparatus comprises a cylindrical screen rotatably supported so as to be brought into contact with a rotatable impression cylinder. Multiple small holes are formed in the circumferential surface of the screen, and are filled up with a coating material. Some of the holes corresponding to a pattern not being filled with the coating material, and a special ink stored inside the screen can be supplied to a sheet held on the outer circumferential surface of the impression cylinder so as to form a shape corresponding to the pattern. The small holes are formed only in an area of the screen in the circumferential direction thereof extending from a position corresponding to the downstream-side end of the sheet in the sheet-conveying direction to a position corresponding to the upstream-side end of the sheet in the sheet-conveying direction. | 02-12-2009 |
20090165660 | LIQUID COATING MACHINE - A rotary screen printing press, which includes a rotary screen cylinder for coating ink on a sheet transported by transport means, and a plate or forme replacing work space whose upper side is closed, with respect to which a transport direction of the sheet is restrained by other device and a liquid coating unit including the rotary screen cylinder, which is open in at least one of directions orthogonal to the transport direction of the sheet, and where an operator performs work of replacing a screen printing forme, comprises a plate or forme rest provided below the rotary screen cylinder and supported to be movable to a first position within the liquid coating unit and a second position within the forme replacing work space. | 07-02-2009 |
20100294149 | INTAGLIO PRINTING PRESS - An intaglio printing press includes: an intaglio cylinder; an ink collecting cylinder which has a blanket attached to a circumferential surface of the collecting cylinder, is in contact with the intaglio cylinder, and transfers ink onto the intaglio cylinder; multiple chablon rollers which are in contact with the ink collecting cylinder and transfer ink onto the ink collecting cylinder; and an inking device which feeds ink to the chablon rollers. In the intaglio printing press, a work space is formed between the chablon roller located at the highest position and the chablon roller immediately below the highest chablon roller. The work space allows an access to the ink collecting cylinder without detachment of the chablon rollers. | 11-25-2010 |