FUJI MANUFACTURING CO., LTD Patent applications |
Patent application number | Title | Published |
20150024660 | METHOD OF TREATING SURFACE OF MOLD AND MOLD HAVING SURFACE TREATED BY SAID METHOD - Provided is a method of treating a surface of a mold to achieve good demoldability and capable of preventing wearing of the mold by avoiding load concentration on one part of the surface of the mold. After a first blasting is performed on the surface of the mold to remove a hardened layer produced on the surface and/or to adjust the surface roughness, a second blasting is performed to create fine irregularities on the surface. Then, an elastic abrasive in which abrasive grains are carried on an elastic body, or a plate-like abrasive having a planar shape with a maximum length that is 1.5 to 100 times the thickness thereof, is ejected onto the surface of the mold at an inclined ejection angle such that the abrasive is caused to slide along the mold surface to flatten peaks of the irregularities created on the mold surface. | 01-22-2015 |
20140360569 | Method for Processing Surface of Light-Transmitting Glass and Light-Transmitting Glass Processed by said Method - To impart antiglare properties without reducing the amount of transmitted light, a method for processing a surface of light-transmitting-glass according to the present invention comprises a blasting step of ejecting abrasive grains with particle sizes of #800 to #3000 (average particle diameter 14 μm to 4 μm) such as WA (white alundum: high-purity alumina) having higher hardness than that of the glass onto a light-receiving surface of the glass having light-transmitting property to be processed for forming indentations and protrusions in the light-receiving surface of the glass, and after the blasting step, a hydrofluoric acid treatment step of immersing the light-receiving surface of the glass into a hydrofluoric acid solution in 10% to 20% concentration for 30 to 600 seconds thereby increase a height (amplitude) of indentations and protrusions of the surface of light-transmitting-glass. | 12-11-2014 |
20140065930 | SCRIBING METHOD AND BLASTING MACHINE FOR SCRIBING - To provide a scribing method by blasting that allows forming a groove at high accuracy without masking, a blasting machine that includes an ejection nozzle having a slit-shaped ejection opening with a width of 10 to 500 μm and a length of 5 to 5000 times the width, and an abrasive with a median diameter equal to or less than one-half of a width of the ejection opening of the ejection nozzle and with a maximum particle diameter smaller than a width of the ejection opening are used; and the abrasive is ejected together with compressed gas on a surface of a workpiece at an ejection distance of 0.1 to 3.0 mm without masking so that an ejection quantity of the abrasive is to be 0.25 cm | 03-06-2014 |
20130306148 | METHOD FOR FABRICATING SUBSTRATE FOR SOLAR CELL AND SOLAR CELL - The problem addressed by the present invention is providing a technique for fabricating, by a method simpler than conventional methods, a silicon substrate that is effective for light trapping, one surface of which has a textured structure and the other surface of which has higher reflectivity than the surface having the textured structure. The fabrication method for this semiconductor substrate comprises: a sandblasting step in which a first surface of a silicon substrate in an as-sliced state, fabricated by slicing a silicon ingot, is surface treated by sandblasting and, after the sandblasting step, a step for carrying out surface treatment using an etching solution that contains either or both of hydrofluoric acid and nitric acid on the silicon substrate. | 11-21-2013 |
20130303053 | METHOD AND DEVICE FOR CUTTING OUT HARD-BRITTLE SUBSTRATE - To cut out a hard-brittle substrate by blasting, laying out substrates | 11-14-2013 |
20130059500 | PLATE-END PROCESSING METHOD AND BLASTING DEVICE - A plate-end processing method comprises the steps of disposing a slit nozzle having a slit-shaped opening at a nozzle tip such that a longitudinal direction of the opening extends along a longitudinal direction of an edge formed along an end of a plate, and such that a distance between the tip of the nozzle and an apex of the edge is equal to 3 mm or smaller, and ejecting an abrasive with a median diameter smaller than or equal to 20 μm with an ejection pressure of 0.1 MPa to 0.5 MPa to the edge via the nozzle and collecting the ejected abrasive and the abrasive and cut dusts adhered to the plate by suctioning the ejected abrasive, the adhered abrasive and cut dusts from a front side of an ejecting direction of the abrasive at an average flow rate of 30 m/s or higher. | 03-07-2013 |
20130023187 | Method For Grinding Side Portion of Hard, Brittle Material Substrate - An elastic abrasive with abrasive grains dispersed in or adhered to an elastic base material is ejected toward a side portion of a substrate together with compressed air. The elastic abrasive is ejected toward a predetermined processing area centered on a processing point in an ejection direction that intersects a widthwise line at the processing point and that forms a predetermined inclination angle selected from a range of 2° to 60° relative to a contact line. Moreover, an ejection nozzle and the workpiece are moved relatively to each other so that the processing area is moved at a fixed speed in a circumferential direction of the workpiece and so that the ejection direction is maintained at each processing point after moving. If multiple stacked substrates are to be processed, the processing area is moved at a fixed speed also in a widthwise direction of the substrates. | 01-24-2013 |
20120043044 | METHOD OF TREATING SURFACE OF MOLD AND MOLD HAVING SURFACE TREATED BY SAID METHOD - Provided is a method of treating a surface of a mold to achieve good demoldability and capable of preventing wearing of the mold by avoiding load concentration on one part of the surface of the mold. After a first blasting is performed on the surface of the mold to remove a hardened layer produced on the surface and/or to adjust the surface roughness, a second blasting is performed to create fine irregularities on the surface. Then, an elastic abrasive in which abrasive grains are carried on an elastic body, or a plate-like abrasive having a planar shape with a maximum length that is 1.5 to 100 times the thickness thereof, is ejected onto the surface of the mold at an inclined ejection angle such that the abrasive is caused to slide along the mold surface to flatten peaks of the irregularities created on the mold surface. | 02-23-2012 |
20120015593 | Apparatus for Supplying Constant Amount of Abrasive - An apparatus for supplying a constant amount of abrasive which can supply even dry ice particles, ice particles, or the like as abrasive in a constant amount is provided. In order to take out abrasive contained in measuring holes | 01-19-2012 |
20110034119 | Blasting Chamber - A blasting chamber capable of conducting painting on a workpiece subsequent to a blasting process in the same working chamber is provided. A dust collection unit | 02-10-2011 |
20080268757 | Moving mechanism for blast gun for blasting machine - Provided is a moving mechanism for a blast gun which can easily move a blast gun accommodated in a blasting chamber and which can easily perform other operations from the outside thereof without leaking dust. A plurality of arm members (first input arm | 10-30-2008 |
20080233838 | Substrate treatment method for portion to be coated - A portion to be coated of a workpiece is subjected to substrate treatment by blasting to provide an anchor effect without leaving abrasive grains thereon. A substrate treatment method for a portion to be coated includes ejecting an elastic abrasive onto a portion to be coated of a workpiece to form irregularities with a predetermined surface roughness, thereby providing an anchor effect for a coating to be formed without causing the abrasive grains to be embedded in the surface of the workpiece. The elastic abrasive includes elastic carriers and abrasive grains, particularly, insulating abrasive grains, compounded and dispersed in the base material as an elastic body or carried on surfaces of the base materials by, for example, adhesion. | 09-25-2008 |