KR20040027490A - Backstitched particle board - Google Patents

Abstract

PURPOSE: A backstitched particle board is provided to improve physical strength including bending strength, extension, compression strength, and processing of wooden plates. CONSTITUTION: The backstitched particle board includes a plurality of board layers that are molded and thermally compressed to a uniform thickness, finishing materials to be inserted between the board layers and to be adhered to the surface of the top board layer and the rear surface of the bottom layer, and a wire for backstitching the surface of the top layer with the rear surface of the bottom board layer. Preferably, a reinforcing agent(40) made from wood or metals is additionally inserted into the board layers to improve the strength of the board layers.

Description

Locked Particle Board {BACKSTITCHED PARTICLE BOARD}

The present invention relates to a sewn particle board, and more particularly, by molding an adhesive into a multilayer having a certain thickness by mixing an adhesive to a crushed material that is cut or crushed wood, clay, plant fiber, etc. The present invention relates to a sewn particle board in which the strength of the sheet is reduced as well as the weight is reduced by bonding each of the layers between the layers and the surface and the back with fabrics or papers, and then stitching them with wires.

Generally, plate materials used as building materials include solid wood or plywood.

The wood is used by turning it to a certain thickness, the price is relatively high, and problems such as distortion occurs over time. And the plywood is a general plywood, formwork plywood, Taego plywood, urethane coated plywood, untransmitted plywood, lamin board, core plywood, OSB (Oriented Strand Board), LVL (Laminated Veneer Lumber) plywood, MDF (Medium Density Fiber), particle board Etc.

The general plywood is a plate-like material made by cutting wood to a veneer using a rotary cutter in the longitudinal direction, cutting it to a certain standard, and bonding the orthogonal to each other at right angles. In addition, the formwork plywood refers to a concrete mold plywood commonly referred to as a waterproof plywood (water-resistant plywood), and is used by adhering the end plate with a phenol phenol resin or urea-melamine resine, which is generally a waterproof adhesive. , The Taego plywood is a trademark of a phenolic resin film refers to a formwork plywood waterproof by impregnating phenolic resin on both sides or one side of the formwork plywood, the urethane coated plywood is an alkali-resistant urethane paint on one or both sides of the formwork plywood Repeatedly sanded and applied a number of times refers to the formwork plywood waterproofing, the lamin board is Lumberco In say not more than to the type of laminate is a core bow 0.7cm nowadays commercially available and lamin board la call separated from the block board was used to form the piece of non-wood core plywood core. In addition, the core plywood is a term used to refer to the judgment of the composition of plywood using a single plate made by adhering the raw material (element) instead of the veneer (core) to the core (single plate), the single plate on the side The OSB is a structural structural material that is widely used for residential or low-level commercial buildings in North America, and is made of strands and ropes using only fast growing trees. Shape) or wafer (WAFER, thin biscuit shape) and then it is manufactured using adhesive. In this case, the surface layer is strand or wafer facing in the longitudinal direction, but the inner layer of the panel is made by arranging the cross-alignment in the shape of wood. It is called the MDF (medium density fiberboard), and the wood is cut into pieces of a certain size (CHIP), and it is made by fiber (the chemicals are boiled). Only sseuyimyeo much as gagujae made by applying a physical force to mix the adhesive and the back extracted product, while the advantage of the workability is extremely excellent compared to the plywood it has a drawback is weak in water. In addition, the particleboard is a plate material having a density of 0.5 g / cm 3 or more and 0.9 g / cm 3 or less formed by adding a synthetic resin adhesive based on a piece of wood and other plant fibers, that is, a cutting piece or a crushed piece as a main material. Refers to the award product. Particularly, the particle board is composed of adhesives to form the bonding force between the small pieces, so there is no anisotropy of physical properties, and it is possible to make a homogeneous product having a large area that eliminates defects such as knots of wood, rot, warping and warping. In addition, it is possible to select a product suitable for a wide range of applications such as specific gravity, thickness, size, etc. In addition, it has the advantage of facilitating the processing of nailing, cutting, perforation, painting, printing, and bonding.

However, the particle board, such as plywood as described above is a fire, insect repellent, moisture-proof, heat insulation, and the like, there is a problem of polluting the environment due to waste materials after use. In other words, since the plywood and the like contain a chemical adhesive, it pollutes the soil and water, and in the event of fire, toxic gases are generated, causing enormous damage to property and life. On the other hand, the plywood and the like has a problem that the thickness is thick and heavy in order to improve the strength.

The present invention is to solve the above problems, an object of the present invention is to mix the natural adhesive to the pulverized cutting or crushed materials such as wood, clay, plant fiber excellent in the fire, insect repellent, moisture-proof, heat insulation A plurality of board layers are formed sequentially or staggered, and the fabric or paper materials are adhered to each other and the surface and the back and between each layer of the molded board layer, and stitched to penetrate the surface and the back, so as to be thin and light in weight. It is to provide a sewn particle board that can further enhance the four major engineering strengths (bends, stretches, compresses, processability).

The present invention is a particle board consisting of a board layer of a board member formed by pressing an adhesive to a cutting piece or shredded pieces of wood, clay, plant fiber and hot-molded to a predetermined thickness, and a finishing material bonded to the surface and the back surface of the board layer, It is characterized in that it is pressed with a wire so as to penetrate at a predetermined interval to the finishing material bonded to the surface and the back surface of the board layer.

In addition, the sewn particle board according to the present invention is characterized in that the reinforcing member of wood or metal is further inserted into the board layer.

In addition, the sewn particle board according to the present invention is characterized in that the reinforcing members are each in the form of rods or nets spaced apart.

In addition, the sewn particle board according to the present invention, the cutting piece or shredded pieces of the board layer is at least one selected from rice plants, barley straw, straw, ginkgo (leaves), paulownia (leaves) vegetation grinds, At least one or more of ocher, diatomaceous earth, elvan, clay and gypsum are selected and further included, and the adhesive is selected from at least one selected from the components extracted from algae, rice grass, barley flour and wheat flour. .

In addition, the sewn particle board according to the present invention is characterized in that the board layer is formed of a plurality of layers so that the components are sequentially or staggered, and the finishing material is inserted between the laminated board layers.

In addition, the sewn particle board according to the present invention is characterized in that the steel sheet is further bonded to the outside of the finish.

In addition, the sewn particle board according to the present invention is characterized in that the wire is selected from the group consisting of a fiber material, a synthetic resin material, and a metal material.

In addition, the sewn particle board according to the present invention is characterized in that the finishing material is fabrics or papers.

1 is a perspective view of a stitched particle board according to an embodiment of the present invention;

2 is a cross-sectional view taken along the line A-A of FIG.

3 is a perspective view of a reinforcing member according to an embodiment of the present invention;

4 is a perspective view of a reinforcing member according to another embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

10,11,12: Board layer 20,21,22,23: Finishing material

30: wire 40: reinforcing member

50: mesh reinforcement member

Hereinafter, with reference to the accompanying drawings will be described in detail the sewn particle board of the present invention.

1 is a perspective view of a sewn particle board according to an embodiment of the present invention, Figure 2 is a cross-sectional view of the line AA of Figure 1, Figure 3 is a perspective view of a reinforcing member according to an embodiment of the present invention, Figure 4 is A perspective view of a reinforcing member according to another embodiment of the present invention.

Stitched particle board according to a preferred embodiment of the present invention, as shown in Figures 1 to 4, the plurality of board layers (10, 11, 12) molded and hot pressed to a predetermined thickness and between each board layer (21) , 22) and the finishing materials 20, 21, 22, 23 which are inserted and bonded to the top surface 20 and the bottom surface 23, respectively, and are sewn at regular intervals on the surface 20 and the back surface 23. It is composed of a wire (30). In addition, the reinforcing member 40 of wood or metal may be further inserted into the board layers 10, 11, and 12 to improve the strength of the board.

The board layer (10, 11, 12) is a plate material that is formed by pressing the adhesive to the cutting pieces or shredding pieces of wood, clay, plant fiber, etc. to a predetermined thickness, the wood and plant fibers are ginkgo (leaf) , At least one or more selected from paulownia (leaves), rice straw, barley straw, vegetation grinds of straw, and the clay includes at least one or more selected from ocher, diatomaceous earth, elvan, clay, gypsum. On the other hand, the adhesive is selected from at least one of the components extracted from seaweed, rice grass, barley flour, wheat flour paste.

As shown in FIG. 3, the reinforcing member 40 may be inserted and disposed between the wires 30 sewn in a rod shape. In addition, when the reinforcing member 40 is inserted into the mesh type reinforcing member 50, as shown in Figure 4, it is possible to further improve the strength, the reinforcing member 40 is to be formed of wood or soft metal material Can be.

The finishing materials 20, 21, 22, and 23 are preferably made of fabric such as cotton or burlap, but are not limited thereto.

The wire 30 is preferably made of a fiber material, and may be used as a synthetic resin material or a metal material.

On the other hand, the plurality of board layers (10, 11, 12) can be configured to improve the strength by configuring each of the different components according to the installation conditions, such as the temperature or humidity of the environment used. In addition, it can be easily carried out by those skilled in the art that the plate material can be manufactured by adhering the color steel sheet on the surface or the back side of the sewn.

Hereinafter, when the board layer (10, 11, 12) is composed of a vegetation pulverized product, clay and an adhesive, will be described, first, a mixture of vegetated crushed material, clay, adhesive, material is mixed into the hopper.

At this time, the vegetation pulverization is formed by grinding the dried rice straw, barley straw, straw, ginkgo (leaves), paulownia (leaves) and the like to form fine particles of 50-200 mesh state or formed into various types of peeling and chips. In addition, the clay is a mixture of 100 to 200 mesh of ocher, diatomaceous earth, ganban stone and water in a weight ratio of 60: 40 by kneading, and aged 5 to 20 days to make clay, and the adhesive generates algae and other warmth Warm adhesives or cold adhesives for generating cold air can be used. When the seaweed is used, it is prepared by adding seaweed, kelp, green seaweed and water at a weight ratio of 40:60 to a pot and boiling for 4 to 8 hours, then removing the residue and maintaining 60 to 80 ° C. The adhesive is produced by using a weight ratio of 60 to 80: 20 to 10: 20 to 10 of rice grass, which has a function of dissipating warmth, and ginkgo (leaf) crushed and paulownia (leaf) crushed in the form of 50 to 200 mesh. The cold adhesive includes barley flour or wheat flour, which has a function of releasing cold air, and crushed ginkgo (leaf) and paulownia (leaf) pulverized powder in the state of 50 to 200 mesh. It is manufactured by using a weight ratio of 20-10. In addition, the submaterial is cut into cotton wool in a state of 5 to 50 mm, or the shell of hemp and manila hemp is cut in a state of 5 to 50 mm to form a submaterial.

The finish is then cut to a constant width and seated on a flat plate. While discharging the mixed composition contained in the hopper to the upper surface of the seated fabrics 23, it passes through a pair of rollers to form the primary board layer 12 to an appropriate size. At this time, the roller is preferably passed between the roller heated to 100 ~ 300 ℃.

Then, the fabrics 22 are seated on the upper surface of the molded primary board layer 12, the secondary board layer 11 is formed in the same manner as described above, and the fabrics 21 and the tertiary board layer 10 are again formed. ) And finally, the fabrics 20 are applied to form a multilayer board.

Thereafter, the plate formed in the multilayered layer is stitched with a yarn having a certain diameter and strength. In the case of the stitching, it is preferable that the plate formed in the multilayer layer is not yet firmly hardened, and the stitching lines to be stitched at a sufficient interval.

The plated material is pressurized at a constant pressure and temperature to uniformly form the surface of the plate. The molded plate is cut into the required dimensions and dried to contain sufficient humidity to complete the plate.

In Figures 1 and 2 described as an embodiment that the board layer is formed of three layers, when the thickness of the board layer is applied thinner can form more layers, the plate material according to the number of layers into which the fabric is inserted The strength is differently formed, it will be obvious to form by inserting the reinforcing member 40.

In addition, as described above, it can be used by attaching the color steel plate of various colors on the best surface or both sides of the produced plate material.

An embodiment of the present invention described above and illustrated in the drawings should not be construed as limiting the technical spirit of the present invention. The protection scope of the present invention is limited only by the matters described in the claims, and those skilled in the art can change and change the technical idea of the present invention in various forms. Therefore, such improvements and modifications will fall within the protection scope of the present invention, as will be apparent to those skilled in the art.

According to the present invention as described above, between the plate material formed by mixing the clay and mixed with clay and beneficial to the human body and environmentally friendly, insert the fabric into the double layer, the plate produced by stitching the inserted plate at regular intervals It is possible to produce a plate with a thin thickness and much higher strength without including a frame inside.

In addition, the plate material according to the present invention has the advantage of low cost and simple manufacturing cost.

Claims (18)

In the particle board consisting of a board layer of a board member formed by pressing an adhesive to a cut or shredded pieces of wood, clay, plant fiber and molded to a certain thickness, and a finishing material bonded to the surface and the back surface of the board layer, Stitched particle board, characterized in that it is sewn with a wire so as to penetrate at a predetermined interval to the finishing material bonded to the surface and the back surface of the board layer. The method of claim 1, Locked particle board, characterized in that the reinforcement member of wood or metal is further inserted into the board layer. The method of claim 2, The reinforcement member is sewn particle board, characterized in that each of the spaced apart rod or net form. The method according to any one of claims 1 to 3, Locked particle board, characterized in that the steel sheet is further bonded to the outside of the finish. The method according to any one of claims 1 to 3, The cutting or crushed pieces of the board layer is at least one selected from rice straw, barley straw, straw, ginkgo (leaf), paulownia (leaf) vegetation crushed, at least among ocher, diatomaceous earth, elvan, clay, gypsum One or more are selected and included, The adhesive is sewn particle board, characterized in that at least one selected from the ingredients extracted from the algae, rice grass, barley flour, wheat flour paste mixed. The method of claim 5, Locked particle board, characterized in that the steel sheet is further bonded to the outside of the finish. The method of claim 5, The board layer is formed of a plurality of layers so that the components are sequentially or staggered, the sewn particle board, characterized in that the finishing material is inserted between each of the laminated board layer formed. The method according to any one of claims 1 to 3, The board layer is formed of a plurality of layers so that the components are sequentially or staggered, the sewn particle board, characterized in that the finishing material is inserted between each of the laminated board layer formed. The method of claim 8, Locked particle board, characterized in that the steel sheet is further bonded to the outside of the finish. The method according to any one of claims 1 to 3, The wire is sewn particle board, characterized in that selected from the group consisting of a fiber material, a synthetic resin material, a metal material. The method of claim 5, The wire is sewn particle board, characterized in that selected from the group consisting of a fiber material, a synthetic resin material, a metal material. The method of claim 8, The wire is sewn particle board, characterized in that selected from the group consisting of a fiber material, a synthetic resin material, a metal material. The method according to any one of claims 1 to 3, Stitched particle board, characterized in that the finishing material is woven or paper. The method of claim 13, Locked particle board, characterized in that the steel sheet is further bonded to the outside of the finish. The method of claim 5, Stitched particle board, characterized in that the finishing material is woven or paper. The method of claim 8, Stitched particle board, characterized in that the finishing material is woven or paper. The method of claim 10, Stitched particle board, characterized in that the finishing material is woven or paper. The method of claim 13, Stitched particle board, characterized in that the finishing material is woven or paper.