Abstract: A wall structure is provided, which, despite having a surface that is covered with elastic coating material and that is jointless, has an uneven pattern in the surface, and which does not require any great effort in the coating process and exhibit little variation in the finished design. The wall structure has a wall material, an elastic joint material, a mesh-shaped material and an elastic coating material. The surface of the wall material bears an uneven pattern in which the height difference between deepest portions and highest portions is 2.0 to 4.0 mm and a pattern loss ratio is 15% or less, and furthermore, the wall material is fixed in a state where a side end portion of the wall material is abutted against a side end portion of another wall material. The elastic joint material covers the surface of the abutting portion of the side end portions of the wall materials, and the elastic coating material covers the entire surfaces of the wall materials and of the elastic joint material.

Abstract: A coating apparatus for coating an entire surface of a building board without forming uncoated area, while conveying the building board, having: an application device for applying a coating material to the surface of the building board; a removal device for removing an excess coating material applied to the surface of the building board and forming a coating liquid film; and a pressure device for blowing air to the coating liquid film on the surface of the building board, wherein the pressure device is provided in a step posterior to a step that uses the removal device and has an air outlet which is wider than the building board and which covers the surface of the building board, and wherein the surface of the building board is applied with pressure of the atmospheric pressure or higher, while the building board is conveyed from the removable device to the pressure device.

Abstract: A coating method of building board having convexoconcave in surface comprises the first process that coating is supplied and stocked in a tank installed above on a transportation line which transports the building board with making surface of the building board into the upper position, the second process which the building board is passed under the tank, and coating is flowed down like waterfall by weight of the coating from a drain hole which is installed in the lower end of the tank, and it coats the whole surface and the whole edge of building board with coating enough, wherein width of the drain hole in vertical direction to travelling direction of the building board is wider than width of the building board in vertical direction to travelling direction, and amount of coating to the surface of the building board is 1200-1800 g/m2.

Abstract: A wood cement board having on a surface thereof a rugged pattern has a plurality of layers laminated each having a cement, a silica-containing material, wood fibers and wood flour, wherein the cement and the silica-containing material are contained at a weight ratio ranging from 3:7 to 7:3, the wood flour ranges in size from 0.3 to 1.5 mm and is covered with calcium, and the amount of the wood fibers and the wood flour is not greater than 9 wt % with respect to total solids. Also provided is a method of producing a wood cement board, comprising the steps of covering wood flour ranging in size from 0.3 to 1.5 mm with calcium by mixing the wood flour with a cement composition, or with a cement, or with water resulting from dewatering a slurry, and stirring the mixture in water at a predetermined solids concentration; producing a slurry; producing a laminated mat; and pressing the mat at a pressure not higher than 10 MPa in use of a press, forming thereby a rugged pattern and performing curing.

Abstract: The present invention provides a throating that enables temporary affixing and facilitates construction work. The throating of the present invention includes a rear plate part that is fixed to a building frame, a throating plate part bent obliquely downward and frontward at a lower end of the rear plate part, and a front plate part bent downward from a front end of the throating plate part. The throating has an adhesive layer on each of a front face and a rear face of the rear plate part, and has a release paper on the surface of the adhesive layers. A top end portion of the rear plate part is covered by an adhesive layer and/or release paper. Preferably, the release paper has a cutting line.

Abstract: Provided is a high manufacturing method of the production efficiency for a wood cement board that has a pattern of recesses and projections. The method for making a wood cement board having a pattern of recesses and projections on its surface, comprising: dispersing a raw material mixture onto a template provided with recesses corresponding to the portions of the wood cement board on which projections are formed, while conveying the template, thereby forming a mat; pressurizing only a section of the mat raw material mixture that is layered on the recesses of the template from above; leveling the surface of the partly pressurized mat; and pressing the resulting mat and the template together, followed by hardening and curing.

Abstract: A building boards loading structure which loads plural building boards, being similar sheets, on a pallet. The building boards loading structure has plural packages, and the packages have plural building boards and plural bands. The plural building boards are banded at plural locations by the plural bands, and the plural packages are stacked vertically, to provide an upper and lower package in regard to two packages, and loaded on a pallet. The locations of bands in each upper and lower package which is loaded on the pallet are different from each other in relation to the lateral direction. The location of bands in a lowest package which is loaded on the pallet is different, in relation to the lateral direction, from the location of the stringers and an entry in the pallet for inserting a fork of a fork lift truck.

Abstract: Provided is a building board having non-flammability and being excellent in designability. In the building board, an impregnated coating film, an aqueous coating film, a solvent-based clear coating film and a top clear coating film are formed, in this order, on a surface of a base member. The aqueous coating film is formed of a synthetic resin and a fireproofing agent; the top clear coating film is formed of a UV-curable type resin and a fireproofing agent; the amount of fireproofing agent in the aqueous coating film is 10 to 50 wt % with respect to the solids of the aqueous coating film; the amount of the fireproofing agent in the top clear coating film is 5 to 20 wt % with respect to the solids of top clear coating film; and the total calorific value measured in accordance with ISO 5660, for 20 minutes using a cone calorimeter, is smaller than 8 MJ/m2.

Abstract: A wall structure is provided, which, despite having a surface that is covered with elastic coating material and that is jointless, has an uneven pattern in the surface, and which does not require any great effort in the coating process and exhibit little variation in the finished design. The wall structure has a wall material, an elastic joint material, a mesh-shaped material and an elastic coating material. The surface of the wall material bears an uneven pattern in which the height difference between deepest portions and highest portions is 2.0 to 4.0 mm and a pattern loss ratio is 15% or less, and furthermore, the wall material is fixed in a state where a side end portion of the wall material is abutted against a side end portion of another wall material. The elastic joint material covers the surface of the abutting portion of the side end portions of the wall materials, and the elastic coating material covers the entire surfaces of the wall materials and of the elastic joint material.

Abstract: A fastening member is formed out of one steel sheet to comprise: a base plate portion constituting amount portion to be fixed to a building frame; a right support portion, a left support portion, a central support portion and a lower support portion that fix stably the exterior wall boards; a central horizontal raised portion and a downwardly bent portion that lock shiplap portions of an exterior wall board disposed below the fastening member; bearing portions and upper-board locking portions that lock the shiplap portions of exterior wall boards that are disposed above the fastening member; upwardly bent portions; and front plate portions. A waterproof material made of bentonite is provided at the left and right ends of the central horizontal raised portion, the top surfaces of the upwardly bent portions and the front surfaces of the front plate portions.

Abstract: A coating apparatus for coating an entire surface of a building board without forming uncoated area, while conveying the building board, having: an application device for applying a coating material to the surface of the building board; a removal device for removing an excess coating material applied to the surface of the building board and forming a coating liquid film; and a pressure device for blowing air to the coating liquid film on the surface of the building board, wherein the pressure device is provided in a step posterior to a step that uses the removal device and has an air outlet which is wider than the building board and which covers the surface of the building board, and wherein the surface of the building board is applied with pressure of the atmospheric pressure or higher, while the building board is conveyed from the removable device to the pressure device.

Abstract: 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.

Abstract: Provided is a high manufacturing method of the production efficiency for a wood cement board that has a pattern of recesses and projections. The method for making a wood cement board having a pattern of recesses and projections on its surface, comprising: dispersing a raw material mixture onto a template provided with recesses corresponding to the portions of the wood cement board on which projections are formed, while conveying the template, thereby forming a mat; pressurizing only a section of the mat raw material mixture that is layered on the recesses of the template from above; leveling the surface of the partly pressurized mat; and pressing the resulting mat and the template together, followed by hardening and curing.

Abstract: 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.

Abstract: A coating method of building board having convexoconcave in surface comprises the first process that coating is supplied and stocked in a tank installed above on a transportation line which transports the building board with making surface of the building board into the upper position, the second process which the building board is passed under the tank, and coating is flowed down like waterfall by weight of the coating from a drain hole which is installed in the lower end of the tank, and it coats the whole surface and the whole edge of building board with coating enough, wherein width of the drain hole in vertical direction to travelling direction of the building board is wider than width of the building board in vertical direction to travelling direction, and amount of coating to the surface of the building board is 1200-1800 g/m2.

Abstract: The present invention has been achieved to provide a novel optical transmission system realizing high-speed optical transmission over greater distance by suppressing waveform degradation caused by mode dispersion and mode transition in a multimode optical transmission line. The optical transmission system of the present invention includes: an optical transmitter for transmitting incoherent light; an excitation mechanism for exciting a predetermined mode in the incoherent light transmitted from the optical transmitter; a multimode optical transmission line for transmitting the incoherent light transmitted from the excitation mechanism; a transmission mechanism for transmitting a predetermined mode in the incoherent light transmitted from the excitation mechanism; and an optical receiver for receiving the incoherent light transmitted from the transmission mechanism or the incoherent light transmitted from the transmission mechanism.

Abstract: This invention provide packaging structure for building boards and building boards loading structure. A packaging structure comprises plural building boards and plural bands, and wherein the plural building boards are banded at plural locations by the plural bands, and wherein a surface of bands which locates in a both end of the packaging structure is adhesive. And a building boards loading structure which loads plural building boards a pallet with, wherein the building boards loading structure comprises plural packages, and wherein the package comprises plural building boards and plural bands, and wherein the plural building boards are banded at plural locations by the plural bands, and wherein the plural packages are loaded the pallet with, and wherein the location of bands in each upper and lower package which is loaded the pallet with is different each other.

Abstract: An arrayed waveguide grating type optical multiplexer/demultiplexer circuit in which wavelength dispersion is reduced. An input wave guide (1), a first slab waveguide (2), an arrayed waveguide (3), a second slab waveguide (4) and an output waveguide (5) are connected sequentially. Furthermore, a parabola waveguide (6) is provided between the input waveguide (1) and the first slab waveguide (2), and a taper waveguide (7) is provided between the second slab waveguide (4) and the output waveguide (5). A parabola waveguide length Z0 exists in a range Za,0=Z0=Zp,0 determined by a parabola waveguide length Za,0 where the ratio of absolute amplitude between the main peak and the first side peak in the field distribution of far-field of the parabola waveguide (6) has an upper limit of 0.217, and a parabola waveguide length Zp,0 where the relative phase of the main peak and the first side peak in the field distribution of far-field has a lower limit of 3.14 radian.

Abstract: Disclosed is a wavelength multi/demultiplexer for separating two wavelength bands with a narrow wavelength spacing. A dielectric multilayer filter is provided in an intersection portion where two optical waveguides intersect each other and separates incident light to the dielectric multilayer filter to transmitted light and reflected light. Here, the distance X from the multilayer surface on the light-incident side of the dielectric multilayer to the central intersection point of the two intersecting optical waveguides is arranged to satisfy 0?X?d/2 (where “d” represents the thickness of the dielectric multilayer). With this configuration, a multi/demultiplexer can be realized that shows good wavelength response without spectral degradation even for two wavelengths having narrow wavelength spacing.

Abstract: Disclosed is a wavelength multi/demultiplexer for separating two wavelength bands with a narrow wavelength spacing. A dielectric multilayer filter is provided in an intersection portion where two optical waveguides intersect each other and separates incident light to the dielectric multilayer filter to transmitted light and reflected light. Here, the distance X from the multilayer surface on the light-incident side of the dielectric multilayer to the central intersection point of the two intersecting optical waveguides is arranged to satisfy 0?X?d/2 (where “d” represents the thickness of the dielectric multilayer). With this configuration, a multi/demultiplexer can be realized that shows good wavelength response without spectral degradation even for two wavelengths having narrow wavelength spacing.