| RYOBI LTD. Patent applications |
| Patent application number | Title | Published |
|---|
| 20120208939 | Oil Type Release Agent for Die Casting Method for Getting Solvent Mixing Ratio, Casting Method, and Spray Unit - An oil type release agent is provided, containing 70 to 98 parts by weight of solvents having dynamic viscosity of 2 to 10 mm | 08-16-2012 |
| 20120011731 | PORTABLE CUTTING MACHINE - A portable cutting machine is provided with a cutting machine main body ( | 01-19-2012 |
| 20110308095 | PORTABLE CUTTING MACHINE - A portable cutting machine is provided with: a cutting machine main body ( | 12-22-2011 |
| 20110088866 | VALVE DEVICE FOR GAS DRAINAGE OF METAL MOLD FOR DIE-CASTING AND METAL MOLD FOR DIE-CASTING - A valve device for gas drainage, mounted to a metal mold for die-casting, capable of selectively communicating and blocking a gas drainage path used for draining gases from a cavity of the metal mold, the device comprising: a main body in which an exhaust hole configuring a part of the gas drainage path is formed; a valve element capable of opening and closing the exhaust hole; a cylinder housing a piston coupled to the valve element; and an electromagnetic selector valve for selectively switching a supply route of a driving fluid supplied from a fluid supply source of a die-casting machine to the cylinder either to a front chamber of the cylinder or to a rear chamber of the cylinder, the front chamber and the rear chamber being partitioned by the piston. The main body includes a front face configuring a part of a parting face and a fitting portion that tightly adheres to a wall face of a housing hole, when the valve device is fitted into the housing hole opening to the parting face of the metal mold. The electromagnetic selector valve is positioned on a rear side of the main body, and at the same time, positioned inwardly of a contour line of the man body formed by the fitting portion when the main body is viewed from the front face. | 04-21-2011 |
| 20110056084 | Electric Cutting Tool - An electric cutting tool includes: a surface plate; a body portion tiltably provided on the surface plate; and a circular saw blade capable of rotating by means of driving power from a driver. A movement amount measuring section measures a movement amount of the body portion with respect to the surface plate in response to a tilting action. A calculating section calculates a cutting depth of the circular saw blade or an inclination angle of the body portion on the basis of the movement amount measured by the movement amount measuring section. A display section displays the cutting depth or the inclination angle of the body portion calculated by the calculating section. The movement amount measuring section includes: a scale section installed on any one of the surface plate and the body portion; and a scale detecting section installed on the other. | 03-10-2011 |
| 20100242763 | Backup Mechanism for Irradiation Time Data of a Drying Device in Printing Press - An object is to provide a drying device of a printing press that is capable of securely storing the integrated values of the irradiation times of LEDs and notifying the operator of the replacement timing of the LEDs. Two control parts are provided to control operation of the printing press. The two control parts each store and update integrated values of the irradiation times of the LEDs on one-by-one basis or on a group-by-group basis automatically or arbitrarily, and compare and update the integrated values of one of the two control parts with the integrated values of the remaining control part to keep each of the integrated values of both the control parts update with the latest integrated value. | 09-30-2010 |
| 20100236699 | Speed Control Method and Speed Control Apparatus for Transfer Device - An object is to simplify a drive control structure of a transfer device that is designed to stop running of a film when hologram forming or surface treatment is not performed, during which the film is not required to run, and restart the film running from the running stopped state. A speed control method for controlling film running speed of a transfer device includes starting the drive of the transfer device based on a pulse signal different from a pulse signal outputted according to the rotational number of the cylinder, when the transfer film held in running stopped state is moved from the first film running path to the second film running path to run in a docking or interlocking engagement with the cylinder held in rotating state, and performing speed matching control to match the film running speed of the transfer device to the rotational speed of the cylinder; and switching a control mode from the speed matching control into synchronization control that synchronizes the rotational speed of the cylinder with the film running speed of the transfer device based on the pulse signal from the cylinder, after the matching of the speeds. | 09-23-2010 |
| 20100236685 | Transfer Device and Transfer Method for Printed Sheets of Paper - An object is to provide a transfer device and a transfer method for printed sheets of paper that are capable of matching the traveling speed of a transfer film to the conveying speed of printed sheets of paper irrespective of the thickness of printed sheets of paper. The transfer device includes a transfer section for transferring patters of a transfer film onto a surface of each of printed sheets of paper conveyed by a cylinder; a traveling speed setting means for setting the traveling speed of a transfer film according to the thickness of each of the printed sheets of paper; and a speed control means for controlling the actual traveling speed of the transfer film so as to match the actual traveling speed of the transfer film to the traveling speed of the transfer film set by the traveling speed setting means. | 09-23-2010 |
| 20100212467 | SLIDE-TYPE CUTTING MACHINE - A slide type cutting machine which conducts cutting work of a timber etc. more safely and can be stored compactly. A straight guide device ( | 08-26-2010 |
| 20100192389 | ELECTRIC CUTTING TOOL - An electric cutting tool | 08-05-2010 |
| 20100181085 | POWER TOOL - Gel-like material or viscoelastic polymer is placed in a portion having a three-dimensional shape. A power tool driving force transmission mechanism transmits a rotary driving force from a rotary drive source to operate the power tool; and a housing provides an outer shell for the power tool. A tail cover is provided at least a region of the housing, held by an operator; and gel-like material, enclosed by a resin film into a gel pack, is placed between the tale cover and the housing. The tail cover is composed of an elastomer member and a resin member, which is integrally formed with the elastomer member and has a higher hardness than the elastomer member. A portion receiving the gel pack is composed of the elastomer member, and a portion connected to the housing is composed of the resin member. The gel pack may be substituted with viscoelastic polymer. | 07-22-2010 |
| 20100085406 | Printing Method for Printing Press and Printing Press - An object is to provide a printing method for a printing press and a printing press that are capable of providing advantages in terms of service life, heat generation, and power consumption while overcoming various problems caused by ultraviolet irradiation. The method includes: printing an image on a sheet of paper fed using an ultraviolet curable paint; and irradiating the ultraviolet curable paint on the printed sheet fed by irradiating the ultraviolet curable paint with ultraviolet light from a plurality of light emitting diodes disposed at predetermined intervals across the transverse direction of the sheet, thereby curing the ultraviolet curable paint, wherein all the light emitting diodes are turned on while shielding a predetermined area in the transverse direction of the sheet from ultraviolet light. | 04-08-2010 |
| 20090272242 | CUTTING MACHINE | 11-05-2009 |
| 20090207428 | Printing System - An object is to provide a printing system that is capable of reducing the time loss while keeping the function to instantly adjust the operation status of a printing press, through the structure in which even if one display part fails to operate, another display part can instantly display the information which has been displayed by the one display part. There is provided a printing system for a printing press, which includes two control devices, each including a display part for displaying plural kinds of the operation status of the printing press and an input part for setting or changing operation conditions relating to the operation status that is being displayed in the display part, the two control devices being installed with the same computer program relating to the operation conditions, and one of the two control devices being connected to the printing press, and being connected to the residual control device by wire or wireless, in which the two control devices each are provided with a mirroring function, allowing the operation condition inputted from the one control device to be rewritten into the residual control device and stored therein. | 08-20-2009 |
| 20090078364 | Method and Device for Performing Transfer Printing on Printed Sheets of Paper - There is provided a method and a device for performing transfer printing on printed sheets of paper, capable of reliably transferring patterns at predetermined positions on the printed sheets. The device includes a transfer section that conveys a transfer film while conveying the printed sheets and repeatedly transfers patterns of the transfer film onto the printed sheets. A tension adjusting part that adjusts tension on the transfer film is provided to transfer the patterns of the transfer film at the predetermined positions on the printed sheets. | 03-26-2009 |
| 20090078141 | Method of Performing Transfer Printing on Sheets of Paper - There is provided a method of performing transfer printing on sheets of papers capable of stopping a film from running while the film is kept apart from a cylinder and patterns of the film are not transferred onto the sheets, and of joining the film to the cylinder with the film and the cylinder matched in speed and phase at the resumption of running. While the cylinder is rotated at a specific speed, the film is on a first travel path and stopped from running. Before the film is moved from the first travel path to a second travel path to be joined to the cylinder, four steps are performed so that the running speed of the film is matched to the rotation speed of the cylinder, and the phase of marks provided on the film at equal intervals is matched to the phase of a gripper of the cylinder. | 03-26-2009 |
| 20090078137 | Method of Winding Up Transfer Film and Device for Performing Transfer Printing on Printed Sheets of Paper - There is provided a method of winding up a transfer film and a device for performing transfer printing on printed sheets of paper, capable of eliminating the need to frequently replace the transfer film, thereby allowing the transfer film to be used over a prolonged time. According to the method of winding up a transfer film, the transfer film fed from a feed roll through a feed path is pressed onto a fed printed sheet to transfer patterns of the transfer film, and then the transfer film is wound up onto a windup roll through a windup path. During the rewind of the transfer film from the windup roll to the feed roll, a lateral position of the transfer film running along the feed path is detected, and the feed roll is moved in its axial direction to follow a lateral positional change of the transfer film. | 03-26-2009 |
| 20090007808 | SHEET-FED PRINTING PRESS - It is an object of the present invention to provide a sheet-fed printing press that prevents occurrence of troubles, such as damages of a surface treatment member such as a film for the surface treatment of, for example, a sheet of paper, by a simple structure. A gripping surface of a claw block provided in a cylinder of a treatment section is formed into an inclined surface that comes closer to the rotational axis as it advances downstream in a sheet conveying direction of the cylinder, so as not to have the gripper of the cylinder contacting the treatment means. A gripping surface of a claw block provided in a cylinder most adjacent to the treatment section, of plural cylinders, is formed into an inclined surface that, projects further through an outline of this cylinder as it advances downstream in the sheet conveying direction. A gripping surface of a claw block provided in the cylinder closest to a printing impression cylinder is formed into an inclined surface inclined at an angle smaller than the inclined angle of the gripping surface of the claw block of the cylinder provided in the treatment section. | 01-08-2009 |
