| 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 |
| 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 |
| 20090020027 | Synchronous control method and apparatus for web rotary printing press - A synchronous control method and apparatus are disclosed for a web rotary printing press which comprises a first printing press, a second printing press, a drive motor for driving the second printing press, and a folder provided in the first printing press, and enables a web printed by the first printing press and a web printed by the second printing press to be superposed and folded by the folder. The synchronous control apparatus comprises a pattern phase deviation detecting sensor provided halfway through a transport path, on which the web printed by the second printing press is transferred so that the web is superposed on a web printed by the first printing press, and adapted to measure the position of a pattern printed by the second printing press, and a pattern phase deviation computing device and a central control device for controlling the rotation phase of the drive motor based on the position of the pattern printed by the second printing press, the position having been measured by the sensor. | 01-22-2009 |
| 20100037789 | METHOD AND APPARATUS FOR DRIVING PROCESSOR - In a sheet-fed printing press including; an impression cylinder gear driven by an upstream drive motor of an upstream printing unit group; an impression cylinder rotationally driven by the impression cylinder gear; a transfer cylinder gear of a convertible press mechanism rotationally driven by the upstream drive motor through the impression cylinder; and a transfer cylinder which is provided with a notch and is rotationally driven by the transfer cylinder gear, a load motor is provided to the transfer cylinder or the transfer cylinder gear, and braking force of the load motor is controlled according to load on the upstream drive motor. | 02-18-2010 |
| 20100043655 | SYNCHRONOUS CONTROL METHOD AND APPARATUS FOR ROTARY STENCIL PRINTING PRESS - A synchronous control method and apparatus for a rotary stencil printing press individually drive a rotary screen cylinder by a dedicated drive motor, can set how many rotations have been made before arrival of a sheet at a screen printing unit when synchronous control of the drive motor with respect to a prime motor of a sheet-fed offset printing press is started, and stop the rotation of the rotary screen cylinder until the start of the synchronous control. | 02-25-2010 |
| 20100090389 | METHOD AND DEVICE FOR CONTROLLING DRIVING OF PROCESSING MACHINE - This invention relates to a sheet-fed offset printing press including a gear driven by an upstream drive motor, a gear rotationally driven by the upstream drive motor through the gear, an impression cylinder of an upstream printing unit group, and a transfer cylinder of a downstream printing unit group. The impression cylinder is rotationally driven by the gear and has a holding portion for holding a paper sheet W. The transfer cylinder is rotationally driven by a downstream drive motor and has a holding portion for receiving the paper sheet W from the holding portion of the impression cylinder. The printing press further includes an impression-cylinder-side peripheral speed measuring device for measuring the peripheral speed of the impression cylinder and a transfer-cylinder-side peripheral speed measuring device for measuring the peripheral speed of the transfer cylinder. The rotational phase difference between the impression and transfer cylinders is obtained from signals from the impression-cylinder-side and transfer-cylinder-side peripheral speed measuring devices. | 04-15-2010 |
| 20100109234 | DRIVE CONTROL METHOD AND DRIVE CONTROL APPARATUS FOR PROCESSING MACHINE - An upstream-side printing unit group and a downstream-side printing unit group, respectively, are driven by separate prime motors and synchronously controlled. In addition to rotary encoders for the upstream-side and downstream-side prime motors, rotary encoders are provided on a last impression cylinder of the upstream-side printing unit group and a first transfer cylinder of the downstream-side printing unit group to detect differences between rotational phases, which the upstream-side and downstream-side printing unit groups should have, and the actual rotational phase of the last impression cylinder of the upstream-side printing unit group or the first transfer cylinder of the downstream-side printing unit group. In accordance with the rotational phase differences, the rotational speeds of the prime motors are corrected. | 05-06-2010 |
