383 results about "Engineered wood" patented technology

A wood or engineered wood structural panel, such as, but not limited to, OSB (“oriented strand board”) or plywood, that is both fire-resistant and water resistant. The panel is factory-coated with a product that provides fire resistance. The treatment gives it a Fire-Resistant (FR) performance (for use in a one- or two-hour rated assembly). The panel also is overlaid or coated in a factory setting with a weather / water resistive barrier (WRB). The structural panel thus combines a fire-resistant structural sheathing and WRB product in one integrated panel produced at a factory prior for installation at a job site.

The present invention relates to a composition (the composition of the invention) comprising a component A consisting of a polylysine component, an XL component and a fibrous component consisting of at least one fibrous element comprising plant fibers, and wherein the fibrous element is free of any fibers other than plant fibers, and wherein the component A comprises a polylysine component, an XL component, and a fibrous component consisting of at least one fibrous element comprising plant fibers. And wherein the composition is free of any fibers other than the plant fibers of the fiber component. The invention further relates to a method for obtaining an object from the composition according to the invention. The invention further relates to objects (objects of the invention) obtained by said method, such as sheets, strips, bars, strips, films, cloths, containers, panels, panels, beams, frames, slats, engineered wood, such as fiberboards. The invention further relates to an article (article of the invention) comprising a) a component that is solid at 23 DEG C and 1 atm; and one or both of b) and c) wherein b) is the composition of the invention and c) is the object of the invention. The invention further relates to various uses of any one or any combination of the composition of the invention, the object of the invention and the article of the invention.

The present invention relates to a composition (the composition of the invention) comprising a component A consisting of a polylysine component, an XL component and a fibrous component consisting of at least one fibrous element comprising plant fibers, and wherein the fibrous element is free of any other fibers other than plant fibers, and wherein the component A consists of a polylysine component, an XL component, and a fibrous component consisting of at least one fibrous element comprising plant fibers. And the composition does not contain any fibers other than the plant fibers of the fiber component. The invention further relates to a method for obtaining an object from the composition according to the invention. The invention further relates to objects (objects of the invention) obtained by said method, such as sheets, strips, bars, strips, films, cloths, containers, panels, panels, beams, frames, slats, engineered wood, such as fiberboards. The invention further relates to an article (article of the invention) comprising a) a component that is solid at 23 DEG C and 1 atm; and one or both of b) and c) wherein b) is the composition of the invention and c) is the object of the invention. The invention further relates to various uses of any one or any combination of the composition of the invention, the object of the invention and the article of the invention.

The present invention relates to a composition (the composition of the invention) comprising a component A consisting of a polylysine component, an XL component and a fibrous component consisting of at least one fibrous element comprising plant fibers, and wherein the fibrous element is free of any fibers other than plant fibers, and wherein the component A comprises a polylysine component, an XL component, and a fibrous component consisting of at least one fibrous element comprising plant fibers. And wherein the composition is free of any fibers other than the plant fibers of the fiber component. The invention further relates to a method for obtaining an object from the composition according to the invention. The invention further relates to objects (objects of the invention) obtained by said method, such as sheets, strips, bars, strips, films, cloths, containers, panels, panels, beams, frames, slats, engineered wood, such as fiberboards. The invention further relates to an article (article of the invention) comprising a) a component that is solid at 23 DEG C and 1 atm; and one or both of b) and c) wherein b) is the composition of the invention and c) is the object of the invention. The invention further relates to various uses of any one or any combination of the composition of the invention, the object of the invention and the article of the invention.

The present invention relates to a composition (the composition of the invention) comprising a component A consisting of a polylysine component, an XL component and a fibrous component consisting of at least one fibrous element comprising plant fibers, and wherein the fibrous element is free of any other fibers other than plant fibers, and wherein the component A consists of a polylysine component, an XL component, and a fibrous component consisting of at least one fibrous element comprising plant fibers. And the composition does not contain any fibers other than the plant fibers of the fiber component. The invention further relates to a method for obtaining an object from the composition according to the invention. The invention further relates to objects (objects of the invention) obtained by said method, such as sheets, strips, bars, strips, films, cloths, containers, panels, panels, beams, frames, slats, engineered wood, such as fiberboards. The invention further relates to an article (article of the invention) comprising a) a component that is solid at 23 DEG C and 1 atm; and one or both of b) and c) wherein b) is the composition of the invention and c) is the object of the invention. The invention further relates to various uses of any one or any combination of the composition of the invention, the object of the invention and the article of the invention.

The present invention relates to a composition (the composition of the invention) comprising a component A consisting of a polylysine component, an XL component and a fibrous component consisting of at least one fibrous element comprising plant fibers, and wherein the fibrous element is free of any fibers other than plant fibers, and wherein the component A comprises a polylysine component, an XL component, and a fibrous component consisting of at least one fibrous element comprising plant fibers. And wherein the composition is free of any fibers other than the plant fibers of the fiber component. The invention further relates to a method for obtaining an object from the composition according to the invention. The invention further relates to objects (objects of the invention) obtained by said method, such as sheets, strips, bars, strips, films, cloths, containers, panels, panels, beams, frames, slats, engineered wood, such as fiberboards. The invention further relates to an article (article of the invention) comprising a) a component that is solid at 23 DEG C and 1 atm; and one or both of b) and c) wherein b) is the composition of the invention and c) is the object of the invention. The invention further relates to various uses of any one or any combination of the composition of the invention, the object of the invention and the article of the invention.

The present invention relates to a composition (the composition of the invention) comprising a component A consisting of a polylysine component, an XL component and a fibrous component consisting of at least one fibrous element comprising plant fibers, and wherein the fibrous element is free of any fibers other than plant fibers, and wherein the component A comprises a polylysine component, an XL component, and a fibrous component consisting of at least one fibrous element comprising plant fibers. And wherein the composition is free of any fibers other than the plant fibers of the fiber component. The invention further relates to a method for obtaining an object from the composition according to the invention. The invention further relates to objects (objects of the invention) obtained by said method, such as sheets, strips, bars, strips, films, cloths, containers, panels, panels, beams, frames, slats, engineered wood, such as fiberboards. The invention further relates to an article (article of the invention) comprising a) a component that is solid at 23 DEG C and 1 atm; and one or both of b) and c) wherein b) is the composition of the invention and c) is the object of the invention. The invention further relates to various uses of any one or any combination of the composition of the invention, the object of the invention and the article of the invention.

The invention relates to a method for forming an engagement groove (4) comprising at least one longitudinal portion (54, 60) in a wood-based panel (6). The method comprises the steps of removing material locally from an edge region (46) adjacent an edge (24) of the wood-based panel (6) to form a cavity (49). The cavity (49) is sized to allow that at least a portion of the at least one longitudinal portion (54, 60) of the engagement groove (4) ends in the cavity (49) at a distance from the edge (24) of the wood-based panel (6) in order to minimize any formation of shavings at the edge (24) of the wood-based panel (6) resulting from the forming of the engagement groove (4). The method further comprises the step of forming the engagement groove (4) in the wood-based panel (6), wherein the step of removing material locally from the edge region (46) to form the cavity (49) and the step of forming the engagement groove (4) are aligned to make the at least a portion of the longitudinal portion (54, 60) of the engagement groove (4) end in the cavity (49).

The invention relates to the technical field of furniture board blanking, solves the problems of low material utilization rate and high algorithm complexity caused by board texture direction constraint and'one-step cutting 'process limitation in the prior art, and provides a three-stage mixed heuristic blanking method for panel furniture. Comprising the following steps: S1, generating a texture single blank standard length set according to blank data; s2, according to all the single blank block strips, all composite strips with the maximum value under the current condition are obtained through calculation; s3, generating all single blank levels with the maximum value according to the generated single blank composite strip combination; S4, abstracting the single blank levels into a solution combination of a knapsack problem to generate a plate L * W; s5, according to coding of a heuristic sequencing algorithm combined with genetic annealing and decoding calculation of an imprecise positioning algorithm in the three stages, an optimal layout mode under the current condition is obtained; and S6, generating a plate layout drawing according to the optimal layout mode, wherein the plate layout drawing is the optimal plate two-dimensional shearing blanking mode. According to the three-stage mixed heuristic blanking method for panel furniture provided by the invention, through collaborative optimization of the three-stage imprecise layout and the genetic simulated annealing algorithm, an optimal panel layout mode with a high utilization rate can be obtained; and meanwhile, the texture direction constraint in furniture artificial board blanking is ingeniously solved through a blank and strip rotation limiting method, and the operation time of the algorithm can be shortened through a grading solving mode combining a standard size set and three-stage imprecise layout.

The invention provides a preparation method of a formaldehyde-free veneer artificial board, which comprises the following steps: (1) an adhesive is applied to the surface of a veneer, the adhesive is composed of a part A and a part B. The part A is one or more of isocyanate or modified isocyanate, or a mixture of the isocyanate and one or more of dimorpholinyl diethyl ether and sulfolane, or a mixture of the isocyanate and the modified isocyanate, or a mixture of the isocyanate and the modified isocyanate, or a mixture of the isocyanate and the modified isocyanate and one or more of dimorpholinyl diethyl ether and sulfolane, or a mixture of the isocyanate and the modified isocyanate; the part B is a hydroxyl-terminated compound or a mixture of the hydroxyl-terminated compound, a catalyst and one or more of sulfolane, preferably, the glue applying amount of the part B in different layers of veneers is different, and the applying amount is gradually increased from the surface layer veneer to the core layer veneer; (2) forming a plate blank by the veneers according to a certain rule; and (3) feeding the plate blank into a hot press to prepare the formaldehyde-free added veneer type artificial board. The method for producing the formaldehyde-free veneer type artificial board is simple and easy in process, high in hot-pressing production efficiency, excellent in mechanical property, good in flatness and low in warping degree, and can resist boiling in boiling water for 72 hours.

A method of treating a cellulose-based material, for example wood and engineered wood is provided, wherein the process involves the following steps: selecting and placing the cellulose-based material in a treatment chamber; impregnating the cellulose-based material with an impregnating agent consisting of an aqueous solution comprising a fluid suitable for esterification; facilitating a hydrolysis process whereby the impregnating agent reacts resulting in the formation of esters and polyesters inside the cellulosed-based material.

The manufacturing method of the laminated directional batten bearing type bamboo-wood composite material comprises the following steps: (1) preparing raw materials; the whole chordwise bamboo strip mat, the radial bamboo strip curtain, the directional battens and the wood veneers are prepared according to process requirements, and wear-resistant layer materials are selected. And (2) paving a plate blank. And paving the whole-piece wood veneer, the non-whole-piece wood veneer, the radial bamboo split curtain, the directional batten, the radial bamboo split curtain, the non-whole-piece wood veneer, the whole chordwise bamboo split mat and the wear-resistant layer in sequence from bottom to top. And (3) hot press molding. The hot press can be an intermittent single-layer hot press or an intermittent multi-layer hot press; the hot pressing mode is a'cold feeding-cold discharging 'hot pressing forming process, namely the procedures of'feeding, heating, heat preservation and hot pressing, cooling and pressure relief and discharging'; the hot pressing process is divided into three stages, namely pressure boosting, pressure maintaining and unloading, in the pressure maintaining stage, the unit pressure of a press is 1.5-8Mpa, and the temperature of a hot pressing plate is 140-220 DEG C. And (4) longitudinally and transversely cutting edges to be processed into specification materials. And the thickness is 15-40mm, the common breadth is 1220 * 2440mm, and a specific breadth can be made as required. The bamboo-wood composite board has the advantages that bamboo wood and wood are used as main raw materials, leftover materials obtained through wood processing are combined, the physical and mechanical properties of the product are better than those of natural wood boards or other wood-based artificial board materials, and the bamboo-wood composite board can be widely applied to vehicle and ship bottom boards, container bottom boards and boards in other load-bearing occasions.

The disclosure relates to compositions including a constituent—A, which constituent—A consists of a polylysine component, a XL-component, and a fibrous component which fibrous component consists of at least one fibrous element which fibrous element includes vegetable fibers, and where the fibrous element is free of any fibers other than the vegetable fibers, where and the composition is free of any fibers other than the vegetable fibers of the fibrous component. The disclosure further relates to processes for obtaining an object from the compositions. The disclosure further relates to objects such as sheets, tapes, sticks, strips, films, cloths, containers, boards, panels, beams, frames, planks, engineered wood e.g. fibreboards obtained by said processes.

The invention provides an engineered wood veneer carbon-based light energy-saving material and a cabinet door plate product thereof. The engineered wood veneer carbon-based light energy-saving material comprises a carbon-based core material and an engineered wood veneer, the carbon-based core material comprises 25-60 parts of bamboo charcoal powder, 5-15 parts of bamboo activated carbon powder, 10-20 parts of bamboo powder, 40-70 parts of thermoplastic polymer master batch and 1-10 parts of processing auxiliary materials; the technical wood veneer comprises a technical wood veneer and a water-based environment-friendly heterogeneous adhesive. The material is prepared by preparation of a carbon-based core material and processing and compounding of a technical wood veneer, wherein the preparation of the carbon-based core material comprises the steps of batching and weighing, high-speed stirring, melting and granulating, re-mixing and molding and post-processing; technical wood veneer processing and compounding cover veneer preparation, adhesive blending, uniform gluing, assembly pre-pressing and three-section type cold pressing curing. According to the technical wood veneer carbon-based light energy-saving material and the cabinet door plate product thereof, through material formula design and preparation process planning, light weight, high strength, heat insulation, low formaldehyde release and diversified decoration are integrated, and the low-cost environment-friendly target of resource recycling is achieved.

The invention belongs to the technical field of recycling of waste wind power blades and preparation of regenerated boards, and discloses a regenerated board highly filled with modified waste wind power blade powder and a preparation method of the regenerated board. The preparation method comprises the following steps: crushing a waste wind power blade product, and then adding the crushed waste wind power blade product into a millstone-shaped solid-phase mechanochemical reactor for grinding and crushing; the collected wind power blade powder is modified by selectively utilizing a silane coupling agent KH560, and a PMDI adhesive is matched and selectively used for blending a mold and pressing a plate. Under the condition of the specific combined treatment process, 90 wt% ultrahigh filling of the waste wind turbine blade powder can be achieved, the mechanical property of the prepared regenerated board is effectively improved, the regenerated board has good compactness, mechanical property and hardness, the performance greatly exceeds that of a traditional artificial board product, the technical requirements of formaldehyde-free environment-friendly materials are met, and the regenerated board is suitable for industrial production. And a new way is provided for large-scale recycling of the retired wind power blades.

The invention relates to compositions comprising a constituent- A, which constituent-A consists of a polylysine component, a XL- component, and a fibrous component which fibrous component consists of at least one fibrous element which fibrous element comprises vegetable fibers, and wherein the fibrous element is free of any fibers other than the vegetable fibers, and wherein the composition is free of any fibers other than the vegetable fibers of the fibrous component (compositions of the invention). The XL-component comprises at least two isocyanate groups. The invention further relates to processes for obtaining an object from the compositions of the invention. The invention further relates to objects such as sheets, tapes, sticks, strips, films, cloths, containers, boards, panels, beams, frames, planks, engineered wood e.g. fibreboards obtained by said processes (objects of the invention). The invention further relates to articles comprising a) a part which is solid at 23 °C and 1 atm; and one or both of b) and c), wherein b) is a composition of the invention, and c) is an object of the invention (articles of the invention). The invention further relates to various uses of any one or any combination of the compositions of the invention, the objects of the invention and the articles of the invention.

A multi-floor building structure having pillars (1), and at least one horizontal structure (5), made of engineered wood, an upper horizontal layer (10) and a lower horizontal layer (20), made of engineered wood segments structurally adhered together providing structural continuity at least in the longitudinal and transversal horizontal directions (LD, TD) across the entire horizontal structure (5), and vertically separated and rigidly connected through an array of intersected longitudinal and transversal vertical ribs (31, 32); wherein the thickness and / or the load-resistance per square centimeter of the upper and / or lower horizontal layers (10, 20) increases, in a gradual or stepped manner, with the proximity to the vertical through holes (3); and / or the thickness, the load-resistance per square centimeter and / or the proximity between successive longitudinal vertical ribs and (31) successive transversal vertical ribs (32) increases, in a gradual or stepped manner, with the proximity to the vertical through holes (3).

The invention discloses an artificial board sizing uniformity detection device and method based on industrial vision, relates to the field of artificial board detection, and solves the problem that an existing detection device is difficult to process overflowing adhesive. The artificial board sizing uniformity detection device comprises a device base and two mounting vertical plates mounted at the top of the device base, and a detection support is mounted between the two mounting vertical plates; a control host is mounted at the top of the detection bracket; two detection probes are fixedly mounted at the bottom of the control host; the glue removing mechanism is used for removing glue on the side face of the artificial board, the glue removing mechanism is installed on the outer side of the installation vertical plate, and the glue removing mechanism comprises a cleaning box arranged at the top of the installation vertical plate close to the right side of the device base; by means of the glue removing mechanism, in the artificial board conveying process, the artificial boards are in a rotating state, glue removing is conducted on the side faces of the artificial boards through the cleaning box, and therefore the effects of continuous detection and side face glue removing are achieved.

The invention relates to the technical field of building board manufacturing, in particular to a magnesium adhesive plywood and a preparation method thereof and a composite structure artificial board, the magnesium adhesive plywood is formed by alternately stacking 2n + 1 layers of wood veneers and 2n layers of magnesium adhesive layers, n is a positive integer, the magnesium adhesive layers are made of magnesium adhesive materials, and the magnesium adhesive layers are made of magnesium adhesive materials. The magnesium adhesive material is prepared from the following raw materials: light calcined magnesia powder, anhydrous magnesium chloride, water, fly ash, perlite, a silane coupling agent, calcium silicate, phosphoric acid, ferric chloride and tetraethoxysilane. According to the magnesium adhesive plywood provided by the invention, excellent bonding capacity is achieved between the wood veneer and the magnesium adhesive layer, so that the magnesium adhesive plywood has good stability and mechanical property, and meanwhile, the magnesium adhesive plywood has excellent water resistance, and is formaldehyde-free and environment-friendly.

The invention relates to compositions comprising a constituent-A, which constituent-A consists of a polylysine component, a XL-component, and a fibrous component which fibrous component consists of at least one fibrous element which fibrous element comprises vegetable fibers, and wherein the fibrous element is free of any fibers other than the vegetable fibers, and wherein the composition is free of any fibers other than the vegetable fibers of the fibrous component (compositions of the invention). The invention further relates to processes for obtaining an object from the compositions of the invention. The invention further relates to objects such as sheets, tapes, sticks, strips, films, cloths, containers, boards, panels, beams, frames, planks, engineered wood e.g. fibreboards obtained by said processes (objects of the invention). The invention further relates to articles comprising a) a part which is solid at 23 oC and 1 atm; and one or both of b) and c), wherein b) is a composition of the invention, and c) is an object of the invention (articles of the invention). The invention further relates to various uses of any one or any combination of the compositions of the invention, the objects of the invention and the articles of the invention.

The invention belongs to the technical field of preparation of artificial boards, and particularly relates to a preparation method of a bamboo-wood composite board capable of efficiently utilizing bamboos. In order to solve the problem that a bamboo-wood composite board manufacturing method capable of improving the utilization rate of bamboo wood and improving the mechanical property of a product does not exist in the prior art, the invention provides a bamboo-wood composite board manufacturing method capable of efficiently utilizing the bamboo wood, which comprises the following steps: removing bamboo poles from the bamboo wood and cutting off to obtain the bamboo wood to be planed; planing to obtain bamboo slices; drying, dipping in glue, and drying for the second time to obtain glue-containing bamboo sheets; a surface layer and a bottom layer of the bamboo-wood composite board are formed by multiple layers of wood veneers, a middle layer located between the surface layer and the bottom layer is obtained by paving and assembling the glue-containing bamboo sheets obtained in the third step, and a board blank is obtained through pre-pressing; and performing hot pressing on the plate blank to obtain the bamboo-wood composite plate. The preparation method provided by the invention can be used for processing bamboo materials with different ages and medium and small diameters, does not need to remove bamboo green and tabasheer, can realize full-rod utilization, and reduces the production cost.

The present invention relates to the technical field of decorative paper, and in particular to formaldehyde-free printing decorative paper, a preparation method therefor, and a surface decorated wood-based panel. The formaldehyde-free printing decorative paper comprises print base paper and a resin protection layer, wherein the resin protection layer is made from a protection layer impregnation glue; and the protection layer impregnation glue comprises the following raw materials in parts by weight: 50-60 parts of an acrylic emulsion, 12-18 parts of modified epoxy acrylate, 6-10 parts of an organic silicon resin, 8-12 parts of a filler, 6-10 parts of polyvinyl alcohol, 3-6 parts of polyethylene glycol, 3-6 parts of a silane coupling agent, 2-4 parts of a curing agent, and 12-18 parts of deionized water. The formaldehyde-free printing decorative paper has excellent performance such as scratch resistance, pollution and corrosion resistance, and water vapor resistance, and can greatly reduce release of formaldehyde; the method for the formaldehyde-free printing decorative paper involves a simple process, is convenient to operate, and has high production efficiency and low production costs; and the manufactured surface decorated wood-based panel has good decoration performance, is environmentally friendly and has a long service life.

The present invention discloses a method for extracting two-dimensional pore structures of engineered wood materials based on an autoencoder. The method includes the following steps: obtaining SEM images of engineered wood materials; performing cropping and image enhancement processing on the SEM images; designing an autoencoder network model including an encoder and a decoder, and inputting the processed SEM images into the autoencoder network model for training; using the trained autoencoder network model to perform binary extraction on the processed images, and the two-dimensional pore structures of the engineered wood materials can be obtained. The present invention uses an unsupervised autoencoder network model to perform binary extraction of the pore structures of the SEM images of engineered wood materials, which has the characteristics of high robustness and high precision, and can avoid noise and pseudo-pores of traditional threshold methods at the same time.

The application discloses a long-acting fragrance essential oil microcapsule veneer artificial board and a preparation method thereof, and comprises a core board, both sides of the core board are provided with surface layer single boards with holes, the surface of the surface layer single boards with holes is sequentially provided with a surface layer thin single board and an impregnated glue film paper; a plurality of waist-shaped through holes are arranged on the surface layer single boards with holes, and the waist-shaped through holes are filled with essential oil microcapsule composite fillers; the essential oil microcapsule composite fillers comprise essential oil microcapsules, putty powder, wood fibers and melamine urea-formaldehyde resin glue; and the essential oil microcapsules comprise single-layer coated microcapsules and double-layer coated microcapsules. The essential oil microcapsules are carried by means of the waist-shaped holes arranged on the surface layer single boards, so that the problem that the adding amount of the microcapsules cannot be improved is solved; and the single-layer and multi-layer microcapsules are simultaneously added, so that the damage of the temperature and pressure in the hot-pressing forming process to the microcapsules is avoided, the long-acting and slow-releasing effect of the fragrance can be realized, and the doped odor generated by the VOC release of the board itself is inhibited.

A process and method for producing a fire-retardant treated wood composite by applying fire-retardant material to wood strands at several points in the manufacturing process prior to the application of heat and / or pressure to a strand mat to form a manufactured wood or engineered wood composite panel. Fire-retardant material is applied at the dry bin outfeed, the blender infeed, or both. The fire-retardant material applied may be of a different type and / or different amount at each location. Optionally, fire retardant material also may be applied in the blender.

The utility model relates to the technical field of turnover plate production, and discloses a turnover plate mechanism for artificial board production, which comprises a supporting plate, a limiting block is fixedly mounted on one side of the bottom of the supporting plate, a side plate is placed on the inner side of the limiting block, and clamping strips are symmetrically placed on the inner side of the side plate; driving motors are fixedly mounted at the tops of the side walls of the supporting plates, and transmission shafts of the driving motors are fixedly connected with the clamping strips on the same sides. Through the arrangement of the semicircular heads, the bead grooves and the supporting blocks, every time a single artificial board is processed, the clamping strips and the artificial board are horizontally arranged through the driving motor, then the screw rods are twisted to disassemble the artificial board, due to the fact that the semicircular heads have tension of the springs, the two groups of semicircular heads abut against the interior of the bead grooves, and the corresponding clamping strips are kept in a horizontal state; compared with an existing mode, the clamping mechanism has the effect of keeping the orientation of the clamping mechanism, other people do not need to assist in the orientation of the clamping strip, and a single person can conduct machining operation.

The utility model relates to the technical field of artificial board machining, and discloses an artificial board edging device which comprises a machining table, a fixing plate and a first baffle, the fixing plate is welded to the inner sides of supporting legs at the bottom of the machining table, the first baffle is welded to the top of the machining table, an edging mechanism is arranged on the outer side of the machining table, and an adjusting mechanism is arranged at the bottom of the machining table. And the edging mechanism comprises first driving motors, first threaded rods, supporting seats, pressing plates, supporting sleeves, springs and pressing blocks, the multiple first driving motors are arranged on the front face and one side of the machining table, and one ends of the first threaded rods are fixedly connected to the output ends of the first driving motors. According to the artificial board edging device, when the multiple supporting sleeves are driven by the pressing plate to move towards the inner side, the multiple supporting sleeves drive the pressing blocks to press the artificial boards towards the inner side, through supporting of the springs, the pressing blocks can extrude and align the artificial boards on the inner sides of the first baffles, the multiple pressing blocks press the multiple artificial boards to be aligned at a time, and therefore the machining rate of the artificial boards is increased.

A pre-vented soffit panel with an integrated screen to exclude wind-blown embers from entering the attic space. Vent holes are created in the soffit, and a screen is integrated therewith, in the factory or on a production line. The screen material is fire-resistant. The pre-vented soffit panel with integrated screen can then be packaged and shipped to a job or construction site, and installed instead of, or in place of, a prior-art soffit panel. The integrated soffit screen also prevents the intrusion of wind-blown snow and several types of insects. This integrated solution provides for more rapid and cost-effective job site installation without the need to perform costly retrofitting of metal vents into prior-art soffit panels.

The application discloses a waste wood processing artificial board carbon emission accounting method for recycling, which calculates the total mass of building waste and waste wood in the demolition stage and the target waste wood mass and proportion; a carbon emission accounting model including the demolition recycling and transportation stage is constructed, a carbon emission accounting model for the crushing and cutting treatment process is established; the total carbon emission accounting of the waste wood regenerated artificial board is utilized; a traditional process factory treatment regenerated artificial board carbon emission accounting model including traditional pretreatment, traditional processing and traditional production artificial board and a carbon emission difference model of the traditional process and the regenerated process are constructed, and the total carbon emission saved by the waste wood replacing the original wood is accounted. The application systematically sorts out the carbon sources of the whole process of waste wood recycling and processing, establishes a carbon emission accounting path of waste wood recycling, provides direct and accurate quantitative basis for the development of the carbon emission reduction scheme of the engineering project, and solves the problem of insufficient practicability of the existing model.

An apparatus and method of applying a finish or paint coating in a prefinishing or finishing line to a fencing panel or picket that disguises the screen-back texture of the engineered wood substrate. After paint or similar coating is applied (such as by one or more spray nozzles) to a face to a fence picket or fencing product or component, the fence picket passes under a roller, brush, or roller brush or similar paint applicator while the paint is still wet. The roller / brush removes some of the paint and applies an angled pattern to the face, which disguises the screen-back texture of the substrate.