| NICHIHA CORPORATION Patent applications |
| Patent application number | Title | Published |
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| 20100043956 | METHOD FOR MANUFACTURING FIBER REINFORCED CEMENT BOARD - A method for manufacturing fiber reinforced cement board includes the steps of preparing a formed sheet from slurry containing cement and reinforcing fiber material, cutting off the formed sheet so that each cut-off formed sheet has the same length equal to the circumference of a making roll, forming a laminated sheet by winding the cut-off formed sheet around the making roll a plurality of times so that every layer of the laminated sheet has a cut-off mark wherein the making roll is equipped with a cutting-off wire accommodated in a lateral groove formed in the periphery of the roll, producing a mat by separating the laminated sheet from the making roll by cutting off the laminated sheet by jumping out the cutting-off wire into the cut-off mark portion so that the cut-off section of the cut-off laminated sheet is inclined to the bottom surface of the laminated sheet, and hardening and curing the produced mat. | 02-25-2010 |
| 20090297789 | BUILDING MATERIAL AND METHOD FOR MANUFACTURING THEREOF - The present invention provides a building material in which a coating is applied to a front surface and a side surface is sufficiently adhered to a sealing and method for manufacturing thereof. In a building material in which a coating is applied to a front surface, a coating film on a side surface is removed or reduced by laser irradiation. The part of the side surface in which the coating film has been removed or reduced by laser irradiation has a width of at least 5 mm from a front surface side toward a rear surface side of the building material, or extends over the entire side surface from the front surface side toward the rear surface side of the building material, or is formed more than a part in which coating film is formed. | 12-03-2009 |
| 20090242728 | WOOD CEMENT BOARD - Provided is a wood cement board that has a pattern of acute-angled and deep recesses and projections on its surface, and that tends not to cause cracking during a hardening and curing process, a drying process, a transportation process and so on. The wood cement board has a pattern of recesses and projections on its surface, in which the distance from the apex of the projections to the rear face is 9 mm or more, and the distance from the apex of the projections to the base point of the recesses is 2 mm or more, and is equal to or less than half the distance from the apex of the projections to the rear face. The average specific gravity of the wood cement board as a whole, and the specific gravities of the projections and the recesses are each 1.1 or more, and the difference between the specific gravity of the projections and the specific gravity of the recesses is less than 0.1. | 10-01-2009 |
| 20090142604 | COATING FILM FOR BUILDING MATERIAL - A building material and a method for coating a substrate for the building material with a coating film having a variety of functions relating to an environment such as mildew resistance, deodorization, antibacterial activity and air purification in addition to the anti-staining effect by having an excellent hydrophilicity. The method for coating the substrate for a building material comprises the steps of; coating a coating material comprising a hydrophilic polymer and a photocatalyst on the substrate, and drying the coating material to form a coating film containing the photocatalyst, wherein the hydrophilic polymer is at least one selected from the group consisting of methyl silicate, liquid glass, colloidal silica, poly(meth)acrylate, and polytetrafluoroethylene graft-polymerized with sulfonic acid, and the photocatalyst is at least one selected from the group consisting of titanium oxide coated with zeolite, titanium oxide coated silica and titanium oxide coated with apatite. | 06-04-2009 |
| 20090007505 | Window drain - A window drain for preventing stains on a building wall and damage caused by frozen rain water, which is installable and sealable easily without impairing the appearance of a building. The present invention relates to a window drain adapted to be positioned at the portion beneath each vertical post of a sash window frame comprising a vertical portion, a sloping portion, a front portion and a horizontal portion for latching itself to an upper portion of an external wall. Further, the present invention relates to the window drain, wherein the horizontal portion has a notch at an end thereof and a sealing pocket. Further, the present invention relates to a window drain, further comprising upstanding portions to regulate a stream of water so that the water is kept between the upstanding portions, at both ends of the window drain wherein one upstanding portion is located at the inner side of the vertical portion of a sash window frame, and the other upstanding portion is located at the outer side of the vertical portion of a sash window frame. | 01-08-2009 |
| 20090007497 | Window drain - A window drain for preventing stains on a building wall and damage caused by (frozen) rain water, which is installable and sealable easily without impairing the appearance of a building. The present invention relates to a window drain adaptable to be positioned beneath a sill of a sash window frame having a vertical portion, a sloping portion, a front portion, and a horizontal portion for latching to an upper portion of an external wall. Further, the present invention relates to a window drain, wherein the horizontal portion has notches at both ends thereof. Further, the present invention relates to a window drain, further having upstanding portions at both ends of the window drain to regulate a stream of water so that the water is kept between the upstanding portions. | 01-08-2009 |
| 20080311346 | External wall panel and method of coating for the same - The present invention provides an external wall panel which is excellent in ornamental design and weather resistance and a coating method for the external wall panel. The coating method is capable of providing a stable coating in the vicinity (including a slope area) of a corner edge area of a convex portion even if the area has cracks, hairline cracks, blowholes and/or pinholes. The resulting coating can solve the problem caused by cracks and the like. The external wall panel has a joint portion which has an excellent weather resistance and a matte appearance and looks glossy in the vicinity (including a slope area) of a corner edge area of the convex portion where cracks, hairline cracks, blowholes and/or pinholes tend to occur. An external wall panel of the invention comprises a base panel having a three-dimensional ornamental design surface, a lower coating layer formed on the surface of the base panel, a mid-coating layer formed on the lower coating layer, a first clear layer containing beads formed on the mid-coating layer, and a second clear layer made of a transparent layer or semi-transparent layer formed on the first clear layer wherein the second clear layer has a thick film layer portion in the vicinity of a corner edge of a convex portion of the three-dimensional ornamental design surface. | 12-18-2008 |
| 20080296451 | Bracket for external wall and external wall construction structure using the same - The present invention provides a bracket for external wall | 12-04-2008 |
| 20080245493 | Fiber board capable of capturing and decomposing aldehyde - A board capable of capturing and decomposing both formaldehyde and acetaldehyde comprises a wood fiber board comprising a plant fiber of 30 wt % or more, and an aldehyde capturing agent comprising at least carbodihydrazide which is impregnated and solidified inside the side of the fiber board. In addition to the wood fiber board, a fiber board made of a mixture material of a resin fiber and a plant fiber combined. A carbodihydrazide is sprayed onto the fiber board in the form of water solution and optionally comprises a surfactant. | 10-09-2008 |
| 20080222992 | Backing metal fixture and external wall constructing structure using the same - The present invention provides a backing metal fixture which is excellent in constructability and stability with fixing an external wall, and an external wall constructing structure using the backing metal fixture. A backing metal fixture used for fixing an external wall to a skeleton via a securing metal fitting and a heat insulating material placed on a front surface of the skeleton, comprising: a butting flat plate portion to be butted against a rear surface of the securing metal fitting having an opening in the center area to allow a fixing member to go through, and a first leg unit and a second leg unit erected rearward from the butting flat plate portion, wherein the second leg unit is erected from a position closer to the opening than the first leg unit. | 09-18-2008 |
| 20080210139 | PACKAGING STRUCTURE FOR BUILDING BOARDS AND BUILDING BOARDS LOADING STRUCTURE - This invention provide packaging structure for building boards and building boards loading structure. | 09-04-2008 |
| 20080199708 | Glaze composition - A glaze composition which makes it possible that a base material for an inorganic calcined substance containing a lot of vitreous material is glazed without having corrosion. The glaze composition comprises a plastic material, a non-plastic material, and a solvent material, wherein the plastic material comprises at least one material selected from the group consisting of Gairome clay, Kibushi clay, kaolin and talc; the non-plastic material comprises at least one material selected from the group consisting of silica, calcined kaolin, pottery stone, pyrophyllite, pottery shards, chamotte and zircon; and the solvent material comprises at least one material selected from the group consisting of feldspar, lime stone, dolomite, zinc oxide and lithium carbonate. | 08-21-2008 |
| 20080199707 | Method and apparatus for producing an inorganic calcined substance - A method for producing a large sized inorganic calcined substance with good properties using dry press-molding or semi-dry press-molding. The method uses a press machine having an upper plate, a lower plate, and a frame portion, and includes the following steps: a first step of positioning a raw material mixture for forming a rear surface layer or a front surface layer over the lower plate, a second step of positioning a raw material mixture for forming a core layer over the raw material mixture of the first step, a third step of positioning a raw material mixture for forming a front surface layer or a rear surface layer over the raw material mixture of the second step to form a stack of three layers of raw material mixture, and press-molding the stacked three layers of raw material mixture to form a press-molded article using the lower plate and the upper plate. | 08-21-2008 |
| 20080199677 | BEARING WALL BOARD AND A METHOD OF PRODUCING THE SAME - The present invention provides a bearing wall with a low specific gravity of as low as 1.0 or less and a wall-magnification of 2.5 or more, which is excellent in strength, fire-safety, workability, dimensional stability, freezing resistance, water resistance and earthquake resistance, and a method for manufacturing the board. The board is produced by a method that contains the steps of: preparing a slurry by dispersing a cement-based hydraulic material, a fiber reinforcing material and a lightweight aggregate into water, adding a saturated carboxylic acid to the slurry, and then forming the slurry into a sheet, dehydrating the sheet, pressing the sheet and curing the sheet. The fiber reinforcing material includes a refined fiber with a freeness of 650 ml or less and an unrefined fiber and the saturated carboxylic acid is preferably a stearic acid-based carboxylic acid or a succinic acid-based carboxylic acid. | 08-21-2008 |
