JP2005256316A - Log house type structure, and component member therefor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce weight and improve productivity. <P>SOLUTION: A structural member 9 is inserted or filled into each of hollow parts 13-16. Preferably, the hollow parts 12, 17 and 18 are hollow for weight reduction, the structural member 9 may also be inserted. Recesses of crossing fitting parts 6a and 6b are formed by removing a prescribed region of a main body part 11 located in upper and lower positions, so as to leave partition plates 19, 20, 23 and 24 for partitioning at least the hollow part 12 located in the center. The structural members are inserted or filled into the outside hollow parts 13-16 which are constituted between a pair of partition plates 23 and 24 and external walls of the main body part 11, and the other hollow parts 12, 17 and 18 are formed as voids. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a log house-type structure and a log house-type structural component member made of a wooden synthetic material formed by filling a hollow portion divided by a partition plate with a structural material.

Conventionally, the log house type construction method is to construct a wall body by placing parallelly processed wood or logs processed into a plate shape, and intersecting cross fitting parts at both ends of the processed wood or logs. By fitting, the four sides of the log house structure are enclosed to form a house (Patent Documents 1 and 2).
When placing the log material, provide a ridge on the top and top of the log material, and provide a groove on the bottom and bottom of the log material facing the ridge, and fit the ridge and groove into an uneven shape. (Patent Documents 3 to 7), and both ends of the log material are notched, the log materials are alternately orthogonal to each other, and the wall portion is configured by fitting the notch portions (Patent Documents 8 to 8). 10) In some cases, the log members are fixed to each other using bolts and nuts when the wall body is formed (Patent Document 11).

Also, as shown in Patent Documents 12 to 16, a schoolhouse type log house structure has been proposed.

Japanese Patent No. 2538420 JP 11-62054 A JP-A-6-17496 Japanese Patent Publication No. 7-103616 Japanese Patent No. 2688449 JP 2000-204648 A Japanese Patent No. 2688449 JP-A-8-49321 JP-A-6-108554 Japanese Patent Laid-Open No. 3-208937 JP-A-9-209478 Japanese Patent Publication No. 52-34848 Japanese Patent Publication No.55-14654 JP-A-9-228515 JP-A-10-115031 Japanese Patent Laid-Open No. 11-287016

However, in the prior arts shown in Patent Documents 1 to 16, there is a problem that the log member formed by the current technique is heavy and inferior in productivity because of emphasis on strength.
In addition, it is not easy to procure logs suitable for a log house type structural component for one log house type structure, and it is very difficult to process each piece of wood as a log house type structural component. It takes time and results in high costs.
Log house-type structures built with these natural woods cause knuckles in dimensions due to expansion and contraction due to drying of the wood, which can cause loss of hermeticity of the log house-type structure and, in severe cases, damage to the fittings. .

  In order to solve the above-mentioned problem, the invention according to claim 1 is characterized in that a main body having a hollow portion divided by a plurality of partition plates extending in the longitudinal direction, and a protrusion extending in the longitudinal direction on an upper end surface of the main body. A groove portion, a groove portion extending in a longitudinal direction on a lower end surface of the main body portion and parallel to the protrusion portion, and a cross fitting portion having a pair of upper and lower dents formed at intersection portions on both ends of the main body portion, Having a plurality of integrally extruded wood composite materials, and fitting the cross fitting portions of one wood composite material and another wood composite material orthogonal to the wood composite material into an upper stage and a lower stage A wall body is formed by alternately intersecting and stacking the wood composite material by fitting the protrusions and grooves of the wood composite material into an uneven shape, and inserting or filling a structural material in the hollow portion The partition plate has a horizontal partition plate and / or a vertical partition plate, and at least a medium So as to leave the partition plate and / or a structural material defining a hollow portion in a log house type structure and forming a recess wherein by removing the body portion in the upper and lower.

As one specific aspect, the partition plate is configured to connect the main body portion and the horizontal partition plate and the vertical partition plate so that a plurality of peripheral hollow portions are formed so as to surround the central hollow portion. It is preferable to form the dent by removing the main body portion located above and below so that the partition plate that is integrally formed in the longitudinal direction and at least the partition plate that defines the central hollow portion remains. It is preferable that the depth of the cross fitting portion is up to the partition plate that partitions the central hollow portion. It is preferable that the partition plates of the cross-fitting portion are fitted to each other.
This log house type structure includes a log house, a container, a garage, a warehouse, and the like.

  The invention according to claim 2 is the log house type structure according to claim 1, wherein the structural material is composed of a non-combustible material, a heat insulating material and / or a reinforcing material.

  The incombustible material is preferably concrete, asbestos, slate, foamed mortar, foamed concrete or the like, the heat insulating material is preferably foamed urethane or the like, and the reinforcing material is preferably steel, medium density fiberboard, wood or the like.

  According to a third aspect of the present invention, there is provided a main body portion, a ridge portion extending in the longitudinal direction of the upper end surface of the main body portion, and extending in the longitudinal direction of the lower end surface of the main body portion in parallel with the ridge portion. A partition formed by a groove formed in the cross section, a cross fitting portion having a pair of upper and lower recesses formed at both ends of the wood composite material, and a partition plate extending in the longitudinal direction inside the main body. A hollow woody synthetic material that is extruded and filled with a structural material, and the partition plate is a lateral partition plate and / or a longitudinal partition plate. The log house is characterized in that the recess is formed by removing the upper and lower body parts so as to leave at least a partition plate and / or a structural material that divides the hollow part at the center. It is a structural member for mold structures.

  The invention according to claim 4 includes a lattice structure in which the height of the protrusion is set smaller than the depth of the groove, and the horizontal partition plate and the vertical partition plate are connected to each other, and the vertical partition plate Is composed of at least a pair of left and right partition plates, and the structural material is inserted or filled into an outer hollow portion formed between the pair of partition plates and the outer wall of the main body, and the other hollow portions are voids or 4. The log house type structural member according to claim 3, which is formed by inserting or filling a member other than the structural material.

  When fitting log house type structural members, the upper and lower surfaces of the main body other than the protrusion and the groove are brought into contact with each other while a gap is formed between the groove and the protrusion. can do. The main body portion around the partition plate defining the central hollow portion is also removed by removing the main body portions on the left and right of the partition plate defining the central hollow portion, which are continuous from the removed upper and lower dents. Remove. The position of the partition plate may be appropriate, for example, an example in which the partition plate is disposed on a vertical plane that intersects the contacted surface. In this case, since the thickness can be further reduced, the productivity can be improved by reducing the material.

  The invention according to claim 5 is the structure for a log house type structure according to claim 4, wherein the intermediate part of the vertical partition plate of the partition plate is lacked, so that rail-like convex portions are provided above and below the horizontal partition plate. It is a member.

  A sixth aspect of the present invention is the log house type structural member according to the fifth aspect, wherein the rail-shaped convex portion includes a concave vertical cross-sectional portion, and the structural material is fitted into the concave cross-sectional portion in a vertical direction.

  According to a seventh aspect of the present invention, a plurality of rail-shaped convex portions are formed on the inner peripheral surface of the main body portion, and the hollow portion is divided by fitting the partition plate and / or the structural material into the rail-shaped convex portions. The log house type structural member according to claim 3.

Normally, the interior of the hollow wooden synthetic material is a hollow shape divided by a partition plate, but the strength of the hollow wooden synthetic material is improved by inserting or filling incombustible material, reinforcing material, refractory material, etc. into this hollow part, It is processed into a wood-based synthetic material that can withstand use as a structural member for a log house type structure.
Here, it is preferable that the number of partition plates formed inside the hollow wood composite material is at least two.
When the structural material filled in the hollow woody synthetic material is a foam, it is preferably a urethane foam, but may be configured to be filled with another foam.
Since the depth of the notch in the cross fitting portion is up to the partition plate of the woody synthetic material, it is preferable that the partition plate is exposed.

The log house type structural member is preferably characterized in that a woody synthetic material having an arbitrary shape can be formed by changing the mold during the extrusion molding.
Since the hollow wood synthetic material is extruded from the extruder, the hollow wood synthetic material can be extruded according to the shape of the mold by changing the mold of the extruder, and this hollow wood synthetic material has a structure By inserting or filling the material, it is possible to form a woody synthetic material of any shape. For example, a hollow wooden synthetic material and a wooden synthetic material having an appearance suitable as a log house type structural member can be formed from a log-shaped mold.
In addition, for example, by making the outer wall surface side of the wooden synthetic material into a log shape and the inner wall surface side into a plate shape, it has the same structure as an ordinary house while having the appearance of a log house type structure. Is also possible.
In addition, since the ridges and grooves necessary for the construction of the wall surface of the log house structure can be integrally formed, no special processing is required, the cost is reduced, and the structural member for the log house structure in a short time. Can be procured.

Usually, the structural material filled in the hollow woody synthetic material is preferably wood or iron, but may be a foam, for example, a urethane foam. Moreover, airtightness and heat insulation are improved by replacing this with foamed concrete.
When it is difficult to fill a long hollow woody synthetic material with a total length of 4 to 5 m with a foam material or the like, or when the diameter or width of the hollow portion is small, for example, a sheet of foamed polystyrene or the like is cut out and inserted as appropriate. Thus, the same effect as filling the foaming material or the like can be obtained, and the hollow body can be filled with the foam or the like without any unevenness.
Moreover, the woody synthetic material itself is reinforced by inserting wood and iron into the hollow portion and can be used as a conventional structure.

  A method for producing a hollow wood composite board suitable for the above-mentioned object is the method of extruding an extruded dough into a melting portion of a forming die with a screw, bringing the outer surface of the extruded dough into contact with the inner wall surface of the forming die and the inner surface of the extruded dough Is brought into contact with the outer surface of a fluororesin sheet, which is an aramid fiber cloth impregnated with a fluororesin dispersion that projects from the base provided in the melted portion in parallel to the extrusion direction and covers the core that extends to the slow cooling portion. While reducing the frictional resistance of the extrusion, forming the extruded dough to a predetermined thickness and forming a hollow portion, the extruded dough is gradually cooled from the outside of the extruded dough and the inside of the hollow portion in the slow cooling portion, It is characterized by extruding the extruded dough onto a hollow wooden composite board having the size of a log house type structural component.

  The hollow woody synthetic board here is preferably formed of a mixture of wood powder and thermoplastic resin. Particularly preferred are general-purpose plastics (polyolefin, polystyrene resin, methacrylic resin, polyvinyl chloride, etc.), engineering plastics (polyamide, polycarbonate, saturated polyester, polyacetal, etc.) and the like. For example, it is preferably made of a thermoplastic elastomer such as polyethylene (hereinafter referred to as PE), polypropylene (hereinafter referred to as PP) or nylon. Any kind of wood flour is acceptable. A reinforcing agent (maleic anhydride-modified polypropylene (eg Sanyo Chemical Industries, Ltd. Yumex 1010) etc.) may be mixed at about several percent or less (for example, 0.5%).

  When making a hollow woody synthetic board, lay it down sideways, but when assembling a log house type structure, use it upright. Therefore, the width of the hollow wooden composite board corresponds to the height of the log house type structural member, and the thickness corresponds to the width. The width, length, and thickness may be the same as those of a conventional general log house type structural member, but the degree of freedom in dimensions is large due to natural materials.

A preferable method for producing a hollow woody synthetic board is to extrude an extruded dough into a melted portion of a forming die with a screw, bring the outer surface of the extruded dough into contact with the inner wall surface of the forming die, and the inner surface of the extruded dough While projecting parallel to the extrusion direction from the base provided in the melting part, the outer surface of the extruded dough is brought into contact with the fluororesin sheet which is an aramid fiber cloth impregnated with the fluororesin dispersion formed on the inner wall surface of the molding die. Reducing the frictional resistance of extrusion, forming the extruded dough to a predetermined thickness and forming a hollow portion, gradually cooling the extruded dough from the outside of the extruded dough and the inside of the hollow portion in the slow cooling section, The dough is extruded into a hollow wooden synthetic board having a width of 300 to 1200 mm.
The above combination also holds. In this case, the moldability is further improved.

  A suitable hollow wood synthetic board manufacturing apparatus includes an extruder for heating and kneading raw materials and extruding with a screw, a melting section for heating the extruded dough extruded from the extruder, and an extruded dough extruded from the melting section. Hollow wood composite board manufacturing apparatus in which a molding die comprising a forming chamber comprising a slow cooling part for cooling the core and a core body that protrudes from the melting part in the extrusion direction of the extruded dough and extends at least to the slow cooling part is connected The core body includes a plurality of rod-shaped members and a base portion integrally formed with each of the rod-shaped members, and each rod-shaped member is formed with each hollow portion formed in a hollow wood composite board. Each of the rod-shaped members having a cross-sectional shape substantially the same as the cross-sectional shape of the extruded dough, arranged parallel to each other with the extruding direction of the extruded dough as the length direction, and fixed to the forming die in the melted portion of the forming die. of At least the upstream end of the extruded fabric in the extrusion direction is covered with a fluororesin sheet container, and the fluororesin sheet forming the container is impregnated with a fluororesin dispersion, dried, and baked. It is a cloth, and the shape and size of the forming die are set so that the dimensions of the hollow wood composite board are suitable for a log house.

  In a preferred hollow wood synthetic board manufacturing apparatus, the fluororesin sheet container comprises a bag-like body, and the rod-like members of the core body are individually inserted in close contact with the fluororesin sheet. And each said rod-shaped member is coat | covered with the container of the said fluororesin sheet | seat.

  In a preferred hollow wood composite board manufacturing apparatus, the housing body is formed of a cylindrical body, and the cylindrical body is provided corresponding to a position of a gap formed by a cut formed in a direction orthogonal to one side between the rod-shaped members. The two fluororesin sheets thus obtained are overlapped and joined on two sides parallel to the cut and on both sides sandwiching the cut, so that one end opening is formed into a plurality of forks corresponding to the number of rod-shaped members formed. And at least a part of the core body is inserted into the cylindrical body of the fluororesin sheet in a close contact state with at least the end of the rod member of the core body close to the base. It is covered with a sheet container.

  A preferred hollow wood composite board manufacturing apparatus comprises a container formed by integrally joining the bag-like body and the tubular body.

  A suitable hollow wood synthetic board manufacturing apparatus is one in which a fluororesin sheet is pasted on the inner wall surface of the molding die in the extrusion molding apparatus.

  In a preferred hollow wood composite board manufacturing apparatus, the rod-shaped members constituting the core body are fixed to the upper and lower inner walls of the forming die via the base portion via the base portion.

  In a preferred hollow wood composite board manufacturing apparatus, the core body is composed of a joint portion that is continuous with the respective rod-shaped members and joins end portions of the rod-shaped members in the melting portion, and at least the joint body is coupled. The portion is covered with the fluororesin sheet container.

  In a preferred hollow wood synthetic board manufacturing apparatus, the container is formed of a bag-like body, and the coupling portion of the core body is inserted into the bag-like body of the fluororesin sheet in a close contact state, thereby At least a part of the core is covered with the fluororesin sheet container.

  A suitable hollow wood composite board manufacturing apparatus is one in which a forming die in the region of the melting part is fixed by sandwiching it with a heat insulating plate and a reinforcing plate from above and below.

  A suitable hollow wood synthetic board is produced by the hollow wood synthetic board production method or the hollow wood synthetic board production apparatus.

  According to invention of Claim 1 thru | or 7, it became possible to produce the log member which is thin and excellent in productivity. Moreover, the flame-retardant and non-flammable effect by the member to combine is also exhibited. Furthermore, by using a wood synthetic material obtained by integrally extruding a fitting portion that can be unevenly fitted, a log house type structural member having an accurate dimension can be formed. Can be constructed easily, and it is easy to procure component parts for log house type structures, and there is no need to process them into component parts for log house type structures. can do. Since the log house type structure can be constructed by fitting the cross fitting portions at right angles, the cost can be reduced simply. In addition, the wood composite material used as a structural member for log house type structures can be integrally formed with ridges and grooves by an extruder, so it is easy to procure, there is no dimensional error, and expansion and contraction due to drying is extremely difficult. Few.

According to invention of Claim 2, since the said structural material is comprised from a nonflammable material, a heat insulating material, and / or a reinforcing material, it can be applied to various uses.

  According to the fourth aspect of the present invention, since the structural material is inserted into the outer hollow portion, it is not necessary to insert the structural material into the middle hollow portion, so that weight reduction and cost reduction can be realized.

  According to invention of Claim 5, since the intermediate part of the said partition plate is cut off and a rail-shaped convex part is provided in the upper and lower sides of a horizontal direction partition plate, further weight reduction is realizable.

  According to invention of Claim 6, since the said rail-shaped convex part is provided with a concave vertical cross section, and the said structural material is engage | inserted by the orthogonal | vertical direction, the shift | offset | difference of a structural material can be prevented.

  According to the invention of claim 7, since a plurality of rail-like convex portions are formed on the inner peripheral surface of the main body portion, and the partition plate and / or the structural material are fitted into the rail-like convex portions, the degree of freedom in design Becomes higher.

  An embodiment of a log house type structure of the present invention and an embodiment of a wood composite material constituting the log house type structure will be described with reference to FIGS.

FIG. 1 is an external perspective view of a log house-type structure 1, in which a wooden composite material 2 and a wooden composite material 2 of a similar shape orthogonal to the same are crossed in an orthogonal state and stacked alternately. The house is constructed by surrounding the four sides with this wall body, and installing the roof portion 3 integrally formed of a woody synthetic material in the same manner as the wall body.
On the front face of the log house type structure 1 is provided with a door part 4 integrally formed of a woody synthetic material as with the wall, and on the side surface of the log house type structure 1 with a window part 5.

  2 to 6 show the configuration of the wall of the log house type structure 1 according to the first embodiment. The wood composite material 2a, the wood composite material 2b, the wood composite material 2c, the wood composite material 2d,... Have the same shape. They are crossed perpendicularly to form a log house type structure. The wood composite material 2a shown in FIG. 5 has its upper and lower ends aligned symmetrically with respect to the vertical direction so that the upper cross fitting portion 6a and the lower cross fitting portion 6b can be fitted to each other. Each part is formed in a square shape. Similarly, the wood composite material 2b arranged orthogonal to the wood composite material 2a has an upper cross fitting portion 6c and a lower cross fitting portion 6d. The woody synthetic materials 2a, 2b... Have the same structure. The structure will be described using the woody synthetic material 2a as an example.

  The woody composite material 2a is divided into a plurality of (seven in the figure) hollow portions aligned in the vertical direction by the partition plate 10, and the plate-like structural material 9 is filled in the hollow portions, Insulation and fire resistance are improved. You may insert or fill a nonflammable material, a heat insulating material, a reinforcing material, a refractory material, etc. The incombustible material is preferably concrete, asbestos, slate, foamed mortar, foamed concrete or the like, the heat insulating material is preferably foamed urethane or the like, and the reinforcing material is preferably steel, medium density fiberboard, wood or the like. The woody synthetic material 2 a includes a main body portion 11 that is divided by a partition plate 10, and has a lattice-like cross section in a longitudinal section of the main body portion 11 in the short direction. The partition plate 10 includes a main body while the horizontal partition plates 19 to 22 and the vertical partition plates 23 and 24 are connected to each other so that a plurality of peripheral hollow portions 13 to 18 are formed so as to surround the central hollow portion 12. It is formed in the longitudinal direction integrally with the part 11. Further, by removing the upper and lower body plate 11 so that the partition plates 19 and 20 that define the central hollow portion 12 remain, a pair of upper and lower cross fitting portions 6a and a lower cross fitting portion are provided. 6b (dent) is formed. The upper cross fitting portions 6a and 6c are provided with a predetermined number of lattices (here, one lattice at the center and two half lattices on both sides) in the short direction perpendicular to the longitudinal direction of the wood composite material 2a and the wood composite material 2b. ) Are cut up and down to leave a first-stage and second-stage partition plate 10 and a square groove of a predetermined shape is formed, and a pair of structural members in the short direction where the structural material is exposed to the outside And a horizontal plane 6h extending in the longitudinal direction exposing the woody synthetic material. Similarly, the lower cross fitting portion 6b and the lower cross fitting portion 6d are also configured to be unevenly fitted to the upper cross fitting portion of another wood synthetic material, and the longitudinal direction of the wood synthetic material 2a and the wood synthetic material 2b A groove having a predetermined shape is formed in a transverse direction perpendicular to the shape. The woody synthetic material 2a is formed with one or a plurality of groove portions 7 extending in the longitudinal direction on the lower surface and a ridge portion 8 provided in the longitudinal direction at the center of the upper surface. The same applies to the woody synthetic material 2b. The ridges 8 and the grooves 7 are respectively fitted to the grooves and ridges of other wood composite materials arranged vertically in the same direction, and the wood composites are stacked vertically. It constitutes a log house-type wall.

  As shown in FIGS. 5 and 6, the structural material 9 is inserted or filled in each of the hollow portions 13 to 16. The hollow portions 12, 17 and 18 are preferably empty here for weight reduction, but the structural material 9 may be inserted. By removing predetermined portions of the main body 11 located above and below so as to leave at least the partition plates 19, 20, 23, and 24 that define the hollow portion 12 at the center, the recesses of the cross fitting portions 6a and 6b are formed. Form. A structural material is inserted or filled into the outer hollow portions 13 to 16 formed between the pair of partition plates 23 and 24 and the outer wall of the main body portion 11, and the other hollow portions 12, 17 and 18 are voids.

  As shown in FIG. 6, concave and cross fitting portions 6a and 6b are provided above and below the main body portion end portion of the wood composite material 2a. Here, the widths a to a ′ of the cross fitting portions 6a and 6b are provided. Is substantially equal to the lateral width c to c ′ of the woody synthetic material 2a. Further, the depths of cuts ab and a 'to b' of the cross fitting portions 6a and 6b are substantially equal to the depth from the upper surface or the lower surface to the surface of the partition plate 10 inside the woody synthetic material 2a. The cross fitting portions 6a and 6b of the woody synthetic material 2a are crossed with the cross fitting portions of the other woody synthetic material and are alternately fitted.

  The woody synthetic materials 2a and 2c are in contact with the lower and upper surfaces of the woody synthetic material located above and below the respective upper and lower surfaces. A through-hole 25 is formed in the vertical direction of the main body 11 so as to penetrate a reinforcing bar or the like. Alternatively, a through hole that communicates with each other at the center of the cross-fitting portion between the wood composite material 2a, 2c and the wood composite material 2b, 2d is provided, and the wood composite material is made stronger by passing an iron core through the through hole. It is good also as composition to combine.

  As shown in FIGS. 2 to 6, a cross-sectional view of the wood composite material 2 cut in the lateral direction is shown, and the main body portion 11 is provided with a ridge portion 8 on the upper surface and a groove portion 7 on the lower surface, and the interior of the wood composite material 2 a. Is divided into several (seven in the figure) hollow parts by the partition plate 10, and the structural material 9 is filled in the hollow parts, thereby improving the strength, heat insulation and fire resistance of the wood composite material 2a. ing. Further, the height of the protrusion 8 is set to be smaller than the depth of the groove 7. As a result, as shown in FIG. 4, the upper and lower surfaces of the main body 11 other than the protrusion 8 and the groove 7 are brought into contact with each other, while a gap 27 is formed between the groove 7 and the protrusion 8. .

  The structural material 9 is preferably wood, iron or the like. Further, it may be urethane foam or the like, and may be thermoplastic or thermosetting, but aqueous foam is preferable to foaming from Freon from the viewpoint of environmental protection and recycling. A thin plate-like cover member 2k (see FIG. 2) made of a wooden synthetic material is formed on the front end surface of the wooden synthetic material 2a. Instead, the small concealing members 2m and 2n having a U-shaped cross section are fitted from the outside. (See FIG. 3). FIG. 4 shows the woody composite material 2a before the cross fitting portions 6a and 6b described above are formed.

  7 to 9 show the wall structure of the log house type structure 101 according to the second embodiment. The log house structure 1 according to the first embodiment has a structure that is generally common, but is different in that the wood composite material 2 and the wood composite material 102 are cross-fitted. The wood composite material 2 and the wood composite material 102 have a common structure, except that the wood composite material 102 is part of the partition plates 118 and 119 and the partition plates 23 and 24 that define the central hollow portion 112. The main body portions 111 on the left and right sides of the partition plate that divides the central hollow portion 112, which are continuous from the removed upper and lower dents, are also removed so that the rectangular residual body 128 remains. As a result, all the main body portions 111 around the partition plate that divides the central hollow portion 112 are removed, and a square ring-shaped cross fitting portion 106 is formed around the remaining body 128. The part number is assumed to be in the 100s and the description is incorporated.

  As shown in FIG. 8, the width a to a ′ of the lower cross fitting portion 6 b of the wood composite material 102 is substantially equal to the lateral width of the remaining body 128 of the wood composite material 102, and below the wood composite material 102. The cut depths a to b and a ′ to b ′ of the side cross fitting portion 106 b are about half of the heights e to e ′ of the remaining body 128 of the wood composite material 102. The lateral widths d to d 'of the wood composite material 102 are substantially equal to the notch widths f to f' of the cross fitting portion 106. This is because the woody synthetic materials 2 and 102 are crossed and fitted.

  As a configuration in which a through hole communicating with each other at the center of the cross-fitting portion between the wood composite materials 112a and 112c and the wood composite material 112b is provided, and the wood composite materials are more firmly coupled by passing an iron core through the through holes. Also good.

  The log house type structure 201 and the wood composite material 202 of Embodiment 3 will be described with reference to FIGS. Since the third embodiment is basically the same as the second embodiment, the common configuration is the same as that of the second embodiment, and different configurations will be mainly described. Note that the part numbers shown in the figure are the corresponding parts of the second embodiment in the 200s, and the description is omitted as appropriate.

  The log house structure 201 is configured by cross-fitting the woody composite materials 202 of the third embodiment. The wood composite material 202 is obtained by removing the four corner portions 231 to 234 at the four corners from the wood composite material 102 in the same shape in the vertical direction and expanding the volume of the cross fitting portion 206. Thereby, the exposed regions 235 on both sides of the remnant 228 are formed in an H shape. As a result, it is possible to cross firmly and there is little deviation.

  As shown in FIG. 11, the lateral widths c to c ′ of the wood composite material 202 are preferably substantially equal to the maximum widths a to a ′ and b to b ′ on both sides of the cross fitting portion 206. It is preferable that the depths e to e ′ of the upper and lower cuts of the cross fitting portion 206 are equal to half of the minimum heights f to f ′ of the remaining body 228. The upper and lower cut widths d to d 'of the cross fitting portion 206 are preferably equal to the minimum heights e' to f of the remaining body 228. This is because the cross fitting portions 206 of the wood composite materials 202 cross each other and are alternately fitted.

  A wood composite material 502 of Embodiment 4 will be described with reference to FIG. The fourth embodiment is substantially the same as the first to third embodiments, but the structural material 509 is formed thinner and the number of the structural materials 509a to 509f is increased, but the thickness is reduced and the horizontal direction of FIG. The partition plates 21, 22, 121, 122 or 221, 222 are deleted, and the horizontal partition plates 519, 520 are extended and intersected to add hollow portions 525, 526. Thereby, there exists an effect which can save a structural material. Here, the thickness of each of the structural materials 509a to 509f is preferably 3% to 20%, particularly 5% to 10%, of the lateral width of the wood composite material 502.

  A wood composite material 602 of Embodiment 5 will be described with reference to FIG. The fifth embodiment is substantially the same as the fourth embodiment, except that the intermediate portions of the partition plates 523 and 524 are removed, so that a pair of rail-shaped convex portions 630 face down on the uppermost wall portion of the main body portion 611. 631, two pairs of rail-shaped convex portions 632 a, 632 b and 633 a, 633 b above and below the horizontal partition plate 619, two pairs of rail-shaped convex portions 634 a, 634 b and 635 a, 635 b above and below the horizontal partition plate 620, main body A pair of rail-like convex portions 636 and 637 are provided upward on the lowermost wall portion of the portion 611. This allows for a further lighter weight. The part numbers of the fifth embodiment are the same as those of the fourth embodiment, and the corresponding part numbers are in the 600s.

  A wood composite 702 of Embodiment 6 will be described with reference to FIG. The sixth embodiment is substantially the same as the fifth embodiment, but the positions of the structural members 709a to 709f are changed from the center (in this case, near the rising portions of the protrusion 708 and the groove 707), and the rail-shaped convex The parts 630 to 637 are changed to rail-like convex parts 730 to 737 having a concave cross section, and the hollow parts 712, 713, 714, 715, 716, 717, 725, and 726 on both sides and the central part are formed as gaps. . For the part numbers of the sixth embodiment, the corresponding part numbers common to those of the fifth embodiment are set to the 700s, and this is used.

  A wood composite 802 of Embodiment 7 will be described with reference to FIG. The seventh embodiment is substantially the same as the fifth and sixth embodiments, but is a combination of the structure material of FIG. 14 of the fifth embodiment and the structure material of the sixth embodiment shown in FIG. 15, and in addition to the structure materials 809a to 809f. Structural materials 809g to 809l are added. That is, in addition to the rail-shaped convex portions 830 to 837 corresponding to the rail-shaped convex portions 730 to 737 of the sixth embodiment, the concave portions 738a to 738l are adjacent to them at the outer portions and inside the side walls of the main body portion 811. In each case, structural materials 809g to 809l are inserted and fitted. Thereby, the incombustibility, fire resistance, heat insulation, and reinforcement effect by a structural material can be strengthened. The part numbers of the seventh embodiment are referred to as the corresponding part numbers in the 700s in common with the fifth and sixth embodiments.

  A wood composite 902 of Embodiment 8 will be described with reference to FIG. In the eighth embodiment, the direction and number of the structural material of the fifth embodiment and the number of hollow portions are changed, and the structural materials 909a to 909a to 935, 935 are respectively formed in the horizontal structural materials 909 and 909b. 909b is inserted. The recesses 932, 933 and 934, 935 are formed in the lateral direction so as to face each other. Thereby, hollow portions 917, 912, and 918 are formed from above. Note that structural materials 909c and 909d, such as dotted lines, may be disposed by being fitted in the recesses 930, 931, 936, and 937 in the vertical direction. For the part number of the eighth embodiment, the corresponding part number common to that of the seventh embodiment is set to 900 series, and this is used.

  A wood composite material 1002 of Embodiment 9 will be described with reference to FIG. The ninth embodiment is similar to the sixth embodiment in cross-sectional shape, but is formed by inserting an integrally molded double H-shaped structural material 1009 (may be a wood composite material) into the recesses 1030, 1031, 1036, and 1037 of the main body 1011. A pair of hollow portions 1025 and 1026 are formed on the left and right sides, and a plurality (three stages) of hollow portions 1017, 1012 and 1018 are formed in this order from the top inside the structural material 1009. Further, as shown in the protrusions 1008a and 1008b and the grooves 1007a and 1007b, a plurality of these are formed by forming a predetermined gap. Here, they are formed in a structure in which a pair of positions are parallel. The part numbers of the ninth embodiment are referred to with the corresponding part numbers common to the sixth embodiment being in the 1000s.

  FIG. 19 shows the process of injecting the foam material 189 into the hollow wood composite material 195. While inserting the foam injection tube 196 into the hollow portion divided by the partition plate 190 and injecting the urethane foam 189, The urethane foam 189 is filled into the hollow portion by retreating toward the outlet of the hollow portion.

  Hereinafter, the manufacturing method and manufacturing apparatus of a hollow woody synthetic material will be described.

  In this embodiment, as an example, a kneaded product obtained by heating and kneading a cellulosic crushed material and a thermoplastic resin is cooled and solidified and pulverized to a predetermined particle size (this specification) The production of a hollow woody synthetic material using “woody synthetic powder”) as a raw material will be described.

(Woody synthetic powder)
Wood flour, which is a cellulose-based crushed material used as a raw material for the synthetic wood powder used in the present embodiment, is well-fitted with the thermoplastic resin molding material, reduces friction resistance during molding extrusion, and reduces wear and damage of the molding machine. In order to prevent it, the particle diameter is 50 to 300 mesh, preferably 60 (under sieve) to 150 (on sieve) mesh. In addition, the moisture content of the wood powder before drying is 15% by weight or less, preferably 11% for the purpose of volatilizing the wood acid gas at the time of molding, eliminating the risk of generation of water vapor or bubbles, and preventing surface roughness. % Or less, ideally 0 to 5% by weight or less, particularly preferably 0 to 0.3% by weight or less.

  In order to further improve the properties of such wood flour, it is possible to immerse or add a material such as wood chips to a urea-based resin adhesive, heat and cure, and then crush and pulverize.

  Also, as thermoplastic resin molding materials, various discarded resin molded products are used as they are, or resin molded products on which a surface resin coating film is formed are crushed into a plurality of small pieces, and a compression grinding action or the like is added thereto. Resin such as PVC, PET, PP, etc., made into a material by grinding and peeling the resin coating can be used.

  Depending on the purpose of use, pigments can be added to color the product.

  And after wood powder drying, the water content is 3% by weight or less, preferably 0.3% by weight or less, and 20 to 75% by weight, preferably 40 to 60% by weight, of cellulose crushed material having an average particle size of 20 mesh or less Then, 25 to 85% by weight, preferably 60 to 40% by weight of a thermoplastic resin molding material is mixed and gelled and kneaded with a stirring impact blade, the gelled kneaded material is cooled, and the particle size is further adjusted to 8 mm or less. By using the woody synthetic powder obtained in this way, a dough in a good kneaded state that can reduce the frictional resistance of the wood powder is formed.

  The woody synthetic powder used in the present embodiment is manufactured as follows as an example.

(1) Drying process This is a drying method in which moisture is struck from wood flour using shear heat generated by the impact of rotation without using a heat source (boiler heat, electric heat, heater heat, etc.). The time required for moisture removal is about 15 minutes. As an example, a mixer is used to dry wood flour that is a cellulosic crushed material. By rotating the stirring impact blade of the mixer and generating shear heat, the temperature in the mixer rises, and thereby the wood flour charged into the mixer is dried. In the present embodiment, drying is performed so that the moisture content of the input wood flour is 0% by weight. The wood powder is preferably 50 to 250 μm. The moisture is preferably dried to 0 to 0.3% by weight. The method is to remove the water by rotating the mixer.

  Moreover, when adding titanium oxide etc. as a pigment etc., this is thrown in in a mixer with the said wood powder in this drying process. The type of pigment is not limited to inorganic or organic. The weight ratio of the pigment varies depending on the type of pigment. For example, about 10% by weight of white titanium oxide is added to 100% by weight of wood flour. Since only the wood powder is colored and the thermoplastic resin is not colored, discoloration of the wood powder can be prevented. Wood powder can prevent ultraviolet rays and reduce deterioration.

(2) Melting / kneading process Wood powder and thermoplastic resin are mixed and melted and integrated. Wood powder and plastic are melted by the heat generated by the high-speed rotating blades and integrated at the molecular level. The weight ratio is 60 to 40% by weight (for example, PP) of a thermoplastic resin molding material that is not colored to 40 to 60% by weight of the mixture of pigment and wood powder. The thermoplastic resin is melt-mixed into granular pellets. The rotation speed of the melter mixer is 850 to 900 rpm, and the temperature is 180 to 190 ° C. Polypropylene (PP), polyethylene (PE), vinyl chloride resin (PVC) and the like are preferable.

  For example, with respect to 55% by weight of wood powder before drying, 45% by weight of PP as a thermoplastic resin molding material is put into the mixer and further stirred and pressurized. As the form of the thermoplastic resin molding material, in this embodiment, pellets made of particles having a diameter of about 3 mm are used.

  The thermoplastic resin molding material uses, for example, 50% by weight of the recovered thermoplastic resin obtained from the waste material of the thermoplastic synthetic resin product, the virgin thermoplastic resin, or the virgin thermoplastic resin and the recovered thermoplastic resin, respectively. You can also

  In this step, the PP does not become a large lump due to the wood flour in the raw material, but a “kneaded material” gelled in a clay shape having a diameter of about 10 to 100 mm is formed.

(3) Cooling / granulation (sizing) step In this step, as an example, a so-called cooling mixer that can simultaneously cool and granulate the aforementioned kneaded material is used. The kneaded material formed in the previous step is put into a cooling mixer and cooled on the inner peripheral wall surface of the mixer body cooled by cooling water, and a “granulated raw material” granulated to a diameter of about 25 mm or less is formed.

  The granulated raw material formed in the above step is further granulated to a particle size of 8 mm or less using a cutter mill as necessary to obtain a pellet-like “woody synthetic powder”. Note that the granulation step is not always necessary, and it may be omitted depending on the size of the granulated product obtained by the above-described cooling and granulation step.

  Synthetic woody powder that does not depend on chemical reaction or adhesion, coupled with the condensation and shrinking action of cooling, while maintaining good mixing and dispersion state of wood powder and thermoplastic resin molding material, and good fluidity Is formed.

(4) Molding process A synthetic wood powder (granular pellet) is put into an extrusion molding apparatus 301 shown in FIGS. 20 to 33, and a mixture of wood powder mixed at a high concentration is melted to a high viscosity state, and extrusion molding is performed. Extrusion is carried out at a high pressure by the apparatus 301, pushed into a mold, and the hollow woody synthetic material 329 is pushed out while being compacted at a high pressure. Since the viscosity is high, extrusion is performed with forward pressure applied. Applying the thixotropy principle that the higher the viscosity, the faster the flow. Details of the extrusion molding apparatus 301 will be described later. A fluororesin sheet 350 ′ is provided in the mold, the surface of the fluororesin sheet 350 ′ is made uneven, the fluororesin sheet 350 ′ is pasted in the mold, and a high pressure is applied to the surface of the hollow woody synthetic material 329. A hollow product is made by forming a rough surface (groove) of the thermoplastic resin. The fluororesin sheet 350 ′ is a sheet obtained by impregnating a fluororesin dispersion into a woven fabric of aramid fibers, drying, and firing. Therefore, the weave of aramid fibers appears in a predetermined shape such as a lattice on the surface of the sheet (see FIGS. 32A and 32B). The woody hollow synthetic board 329 manufactured in this way is shown in FIG. A dimension example is 902 mm wide × 37 mm thick. The length is arbitrary. A rectangular outer shell 329a, a plurality of predetermined numbers (here, 14) of hollow portions 329b formed in the inner region of the outer shell 329a, and a plurality of predetermined numbers that partition the hollow portion 329b and connect to the outer shell 329a (Here, 13 pieces) of partition plates 329c are formed. The thickness allowance in the vertical direction is 5 mm, and the thickness allowance in the horizontal direction is 4 mm (only both end portions are thick).

(5) Sanding process Since the skin layer provided with the groove | channel of the uncolored thermoplastic resin of the hollow wood synthetic material 329 shape | molded as mentioned above is formed, the skin layer is sanded paper (frequency 40-180). Polish to remove. In FIG. 33, the alternate long and short dash line is the machining allowance (1 mm in the figure). It is preferable to cut the entire skin layer up to the groove. Since a small groove is provided in the skin layer of the hollow woody synthetic material 329, it is easy to sand the surface. By removing the skin layer of the uncolored thermoplastic resin, the color can be brought out on the surface, and a unique wood texture and natural feeling can be obtained. Since the surface of the wood powder is colored, discoloration of the wood powder can be prevented.

  The polishing of the skin layer of the hollow woody synthetic material 329 is intended to polish a dense part of the resin material. In the resin molded plate mixed with wood powder, the resin oozes out to the surface portion of the molded product, and a dense portion of the resin material is created on this surface portion. Since the dense portion of the resin material is not colored, the sanding of the surface portion is meaningful in creating a unique color tone.

(Extrusion molding equipment)
As shown in FIGS. 20 to 33, the extrusion molding apparatus 301 of the present invention for forming the above-mentioned wooden synthetic powder into a hollow wooden synthetic material 329 has an extruder 370 and an extruded dough 379 discharged by the extruder 370 in a predetermined shape. And a forming die 310 for forming the substrate. The forming die 310 is connected to the extruder 370 through connecting means 330 including a flange 317 and an extrusion die 319.

(1) Extruder In FIG. 20, 370 is an extruder that constitutes the aforementioned extrusion molding apparatus 301. In general, the extruder 370 is a screw type and includes a single-screw extrusion molding device and a multi-screw extrusion molding device, and some of these deformations or a combination of these are used. In the present invention, any extrusion molding device should be used. Can do.

  Reference numeral 371 denotes a screw, which is a single-shaft type in the embodiment shown in FIG. 20, and this screw 371 is driven by a motor (not shown) via a gear reducer 372 and rotates in the barrel 374. The synthetic wood powder charged from the hopper 373 is pushed forward while being kneaded by the rotation of the screw 371.

  A band heater 375 is provided on the outer surface of the barrel 374, and the synthetic wood powder is heated in the barrel 374 by the band heater 375 and gradually melted and kneaded while being conveyed forward along the groove of the screw 371.

(2) Connecting means The wood synthetic powder melted and kneaded by the extruder 370 is extruded as an extruded dough 379 to the forming die 310 through a connecting means comprising a flange 317 and an extrusion die 319.

  20 and 21, an extrusion die 319 is connected to the tip of the barrel 374. In this embodiment, the extrusion die 319 has a circular shape with a diameter of 65 mm on the rear end surface of the outlet side of the barrel 374. The inlet 313 is provided with an injection port 315 having a substantially oval shape with a width of 65 mm and a height of 25 mm on the front end surface on the molding die side. The extrusion die 319 is gradually moved from the inlet 313 toward the injection port 315. A communication hole that is deformed in cross section to a small diameter is formed. However, the extrusion die 319 can be formed in various sizes according to the size of the extruder 370.

  A flange 317 is attached to the tip of the extrusion die 319. As shown in FIG. 22, the flange 317 includes an inlet 316 having the same shape as the injection port 315 of the extrusion die 319, and a rectangular injection port 318 having a width of 150.0 mm and a height of 37.6 mm. A communication hole 317a that gradually deforms in cross section from the inflow port 316 to the injection port 318 is formed therein. 317b is a through hole and 317c is a through hole.

  A heater (not shown) as a heating means may be attached in the peripheral wall of the flange 317 or the extrusion die 319. Since the extruded dough 379 extruded from the extruder 370 by the heater is heated and kept warm even when passing through the communication hole from the extrusion die 319 and the flange 317, the extruded dough 379 that flows from the extrusion die 319 into the forming die 310. The flow state becomes good.

  Moreover, since the extrusion die 319 has a large injection port 315 unlike a normal general die, a large amount of molten raw material (woody synthetic powder in this embodiment) can be discharged, and compaction is promoted. Therefore, the die is not clogged as in an ordinary extrusion die.

(3) Molding die In FIGS. 20-21, 310 is a shaping | molding die and the extrusion dough 379 extruded from the extruder 370 through the said connection means is introduce | transduced. A plate 311 shown in FIG. 24 is fixed to the inner upper and lower surfaces of the forming die 310 shown in FIG. 23. The plate 311 constitutes the inner wall of the forming die 310, and the core body 340 is accommodated therein. The forming die 310 includes a forming chamber 322 composed of a melting portion 321a for heating the extruded dough 379 introduced and a slow cooling portion 321b for gradually cooling the extruded dough 379 extruded from the melting portion 321a, and a hollow portion in the extruded dough 379. A core body 340 to be formed is provided. As an example, the forming die 310 has a rectangular cross section with a width of 1080 mm and a height of 241.6 mm, and the distance from the entrance to the exit of the forming chamber 322 is 1000 mm.

  In this embodiment, the melting part 321a gradually spreads from the inlet having the same shape as the injection port 318 of the flange 317, and the extruded dough 379 does not stay inside the forming die 310 and smoothly moves in the lateral direction. It is formed so that it can spread. A slow cooling part 321b having the same cross-sectional shape as the inlet of the melting part 321a is formed, and the molding chamber 322 is formed in a constant cross-sectional shape in the extrusion direction.

  As shown in FIGS. 25 and 26, the molding chamber 322 has a sandwich structure with a pair of metal spacers 324 arranged on both side edges between two upper and lower metal plates each provided with a cooling means. It constitutes the formed interior. The molding chamber 322 is formed in a square cross section. By adjusting the spacer 324, adjustment is made so that the desired thickness of the molded plate can be obtained. As shown in FIG. 25, the pair of spacers 324 are disposed on both sides of the core body 340 in plan view. The base part of the spacer 324 protrudes so that the inlet side gap area is reduced. The detailed structure of the spacer 324 is shown in FIG. The spacer 324 has a plate shape and includes an inner side surface 324a curved in a plan view. The base end surface 324b is orthogonal to the end surface 324c, and forms a substantially triangular protruding portion 324d. Reference numeral 324e denotes a mounting hole.

  In FIG. 21, reference numeral 314 denotes a heater, which is composed of heating means such as an electric heater, and in order to heat and keep the extruded dough 379 and maintain the fluidity of the extruded dough 379, it is inserted into the upper and lower portions of the melting part 321a at equal intervals. is set up.

  Further, as shown in FIG. 21, reference numeral 325 denotes a cooling pipe, which shows an example of a cooling means for cooling the slow cooling portion 321b of the molding chamber 322. A cooling liquid is supplied to the cooling pipe 325 so that the inside of the molding chamber 322 is filled. The extruded dough 379 is cooled from the outside. This cooling pipe is installed by piping at equal intervals through a slow cooling portion 321b that occupies about one half in the direction of the exit of the forming die. In addition, although the space | interval of the cooling pipe 325 can also be provided so that it may become narrow gradually, the cooling pipe 325 can also be arrange | positioned on the outer wall of the shaping | molding die 310, but it should just be able to cool the extrusion dough 379 in the shaping | molding chamber 322. The structure is not limited to this.

A heat insulating plate 326 having a plurality of mounting holes 326a shown in FIG. 27 and a reinforcing plate 327 having a plurality of mounting holes 327a shown in FIG. 28 are formed. The reason why the heat insulating plate 326 is provided is to prevent heat loss. The reinforcing plate 327 is preferably provided in the upper and lower regions of the slow cooling part 321a. The reason why the reinforcing plate 327 is provided is to prevent the forming die 310 from being deformed or damaged by the pressure of the extruded dough 379 applied inside. The heat insulating plate 326 is preferably interposed between the reinforcing plate 327 and the forming die 310. The thickness of the reinforcing plate 327 is preferably larger than the thickness of the heat insulating plate 326. The size of the heat insulating plate 326 is width 1080 mm × height 20 mm × length 615 mm. The size of the reinforcing plate 327 is width 1080 mm × height 61.2 mm × length 615 mm. The height obtained by adding the heat insulating plate 326 and the reinforcing plate 327 to the forming die 310 is 404 mm.
Although illustration is omitted, a thermocouple penetrates through the heat insulating plate 326 and the reinforcing plate 327 so that the temperature of the heat 314 can be measured.

  The core body 340 shown in FIGS. 21, 25, and 29 has a cross-sectional shape that is substantially the same as the cross-sectional shape of each hollow portion formed in the hollow wood composite material 329, and from the melting portion 321 a of the forming die 310. A plurality of rod-like members 348a to 348g projecting substantially parallel to the extrusion direction of the extruded dough 379 toward the exit side of the forming die. The base 344 (see FIGS. 21 and 25) is for fixing the rod-shaped members 348a to 348g. The base portion 344 has the shape and structure of a guide block, and is provided with at least two protruding portions (for example, a cylindrical shape) protruding vertically on the plate material, the plate material is pointed in the extrusion direction, and the rear end is rounded. ing.

  In the present embodiment, the rod-shaped members 348a to 348g are configured as shown in FIGS. As shown in FIG. 29 (a), the rod-shaped members 348a to 348g have a maximum length at the center (755 mm in the figure), and the length becomes shorter toward the side. It arrange | positions so that it may become circular arc shape on the side. This is because the frictional resistance generated between the extruded dough 379 that has entered the forming die 310 is reduced, and the extruded dough 379 is easily spread to the end.

  Each of the rod-shaped members 348a to 348g protrudes in parallel with the extrusion direction of the extruded dough 379 from the melting part 321a and extends to at least the slow cooling part 321b. They are arranged in parallel at equal intervals so that a gap 346 (4.1 mm in FIG. 29) having a predetermined gap width is formed between the rod-like members.

  Further, in the present embodiment, the rod-shaped members 348a to 348g have both corners of the inlet side of the forming die 310, that is, the upstream end portion in the extrusion direction of the extruded dough 379 rounded in a plane, and As shown in FIG. 21, it is formed in a rounded shape as a whole that swells in a semicircular arc shape in the longitudinal section, and is formed so as to relieve the frictional resistance generated between the extruded dough 379 and the extruded dough 379.

  The number of the rod-shaped members 348a to 348g can be appropriately determined according to the number of hollow portions formed in the hollow wood composite material 329, and the cross-sectional shape can be varied depending on the shape of the hollow portion formed in the hollow wood composite material 329. It is possible to take the shape.

  In the core body 340, the rod-shaped members 348a to 348g are formed independently of each other. Therefore, upstream of the gap 346 formed between the rod-shaped members 348a to 348g, the core 340 is prevented from introducing the extruded dough 379. There is nothing, and the extruded dough 379 can smoothly flow into the gap 346. Therefore, it is possible to increase the density of the extruded dough 379 in the gap 346 and effectively prevent the unformed partition plate 430 (see FIG. 30) due to the lack of the extruded dough 379, and increase the molding speed. Even in such a case, a high-quality hollow wood synthetic material can be molded.

  Each of the rod-shaped members 348a to 348g is integrally formed with the base portion 344 on the inlet side of the forming die 310. In the present embodiment, the base 344 has two convex portions as shown in FIG. 21, and the two convex portions are respectively combined with the concave portions provided on the inner wall surface of the molding die 310. Thus, as shown in FIG. 25, the rod-shaped members 348a to 348g formed integrally with the base portion 344 are fixed to the upper and lower inner walls of the melting portion 321a of the molding die 310 while being maintained in a parallel state. .

  As in the case of the rod-shaped members 348a to 348g, the base portion 344 is rounded at both corners at the upstream end portion in the extrusion direction of the extruded dough 379 and narrows toward the downstream end portion in the extrusion direction. It is formed in a streamlined manner, and is configured such that the extruded dough 379 flowing through the melting part 321a flows without resistance.

  The rod-shaped members 348a to 348g have a tapered shape that slightly narrows the rectangular cross section from the melted portion 321a of the forming die 310 toward the forming die exit side, and accordingly, the hollow woody material toward the forming die exit direction. The synthetic material 329 is configured to be easily extruded.

  A cooling medium (not shown) for supplying a cooling medium such as water, oil or other liquid, air, or other gas to the upper inner wall surface of the molding die 310 to which the base 344 is fixed. An inlet passage 341 communicated with the supply source is formed. The inlet passage 341 of the cooling medium passes through the wall surface of the molding die 310 and the base portion 344, and the rod-shaped members 348 a to 348 a of the core body 340 in the melting portion 321 a. It reaches 348 g and communicates with a cooling medium flow path 342 described later formed in each of the rod-shaped members 348 a to 348 g in the slow cooling portion 321 b.

  The cooling medium introduction path 341 formed in each of the rod-shaped members 348a to 348g is surrounded by a heat insulating material 343, and the cooling medium passing through the introduction path 341 is prevented from cooling the extruded dough in the portion. At the same time, the temperature of the cooling medium is maintained to improve the cooling effect when the cooling medium is introduced into the cooling medium flow path 342 described later.

  In this embodiment, a metal pipe having a diameter of 4 mm, in which Myorex PMX-575 (Ryoden Kasei) is disposed as a heat insulating material on the outer periphery, penetrates the wall surface of the forming die 310, the base 344, and the core body 340. This is used as a cooling medium introduction path 341.

  In the present embodiment, the flow path 342 communicates at one end with the cooling medium introduction path 341 as described above, and the other end opens at the end of the core body 340 (in the outlet direction of the forming die 310). Shall. When the cooling medium introduced into the flow path 342 passes through the flow path 342 formed in each of the rod-shaped members 348a to 348g and the hollow portion formed in the hollow wood composite material 329, the extruded dough 379 and the hollow wood texture. The synthetic material 329 is gradually cooled from the inside.

  In addition, the flow path 342 has a double tube structure communicating with the end portion on the outlet side of the forming die 310 in each of the rod-shaped members 348a to 348g of the slow cooling portion 321b, for example, instead of the above-described configuration. The cooling medium may be connected to the cooling medium introduction source, and the other may be connected to the cooling medium discharge port so that the cooling medium, for example, cooling water or cooling oil circulates in the core body 340. As long as the fabric 379 can be gradually cooled from the inside, various design changes can be made according to changes in the type of cooling medium introduced and other various conditions.

  The inner wall surface of the molding die 310 is preferably covered with a fluororesin. The fluororesin coating method may be performed by coating the fluororesin directly on the surface, but the fluororesin is coated on the base material sheet in terms of easy replacement and high durability. It is preferable to carry out by attaching a fluororesin sheet 350 ′.

  The fluororesin sheet 350 ′ can be applied only to the upper and lower inner wall surfaces of the molding chamber 322, that is, the inner wall surface corresponding to the surface forming the front and back surfaces of the hollow wood synthetic material 329. It is preferable to stick the entire wall surface in series.

  The fluororesin sheet 350 ′ to be attached to the inner wall surface of the molding die 310 is a glass fiber woven base material coated with a fluororesin (hereinafter referred to as “glass fiber fluororesin sheet” in this specification). ) Or the like can be used, but a woven fabric of aramid fibers (hereinafter referred to as “aramid fiber fluororesin sheet” in this specification) formed by impregnating a fluororesin dispersion described later, drying and firing. It is preferable. As the fluororesin sheet 350 ′ forming the container 350, any material can be used as long as it can be formed as the container 350.

  Similarly to the inner wall surface of the forming die 310, the rod-shaped members 348a to 348g of the core body 340 are individually covered with a container 350 of a fluororesin sheet 350 ′ or in order to reduce friction with the extruded dough 379. It is preferable to cover all or part of the core body 340 (preferably the base end portion). The container 350 is easy to attach and detach, and is suitable for use with the three-dimensional core body 340.

  Aramid (fully aromatic polyamide) constituting the base material of this aramid fiber fluororesin sheet 350 ′ has excellent heat resistance, high strength, and high Young's modulus, so it is also used as a reinforcing material, as shown in FIG. The fluororesin sheet 350 ′ using the aramid fiber woven fabric as a base material has flexibility and bending resistance suitable for use by attaching to a solid core 340, and has a high tensile strength. Because it is equipped, it can withstand long-term use.

  Examples of the fluororesin used in the aramid fiber fluororesin sheet 350 ′ include polytetrafluoroethylene (Teflon (registered trademark) TFE; DuPont), fluorinated ethylene-propylene copolymer (Teflon (registered trademark) FEP), poly Examples thereof include fluorinated ethylene chloride (Teflon (registered trademark) CTFE) and polyvinylidene fluoride (Teflon (registered trademark) VdF).

  In this embodiment, as the aramid fiber fluororesin sheet 350 ′, a fluororesin coating sheet “MAX liner belt” (HAS-P506) manufactured by Honda Sangyo Co., Ltd. is used.

  The aramid fiber fluororesin sheet 350 ′ is covered with the container 350 in order to reduce friction with the extruded dough 379 at least at the upstream end in the extrusion direction of the extruded dough 379 among the rod-shaped members 348a to 348g. However, it may be performed on the entire rod-shaped members 348a to 348g. In the present embodiment, the entire rod-shaped members 348a to 348g in the melting portion 321a are covered.

  Since the aramid fiber fluororesin sheet 350 ′ has flexibility and bending resistance, the container 350 of a bag-like body 353 as shown in FIG. Can be formed.

  A bag-like body 353 of the aramid fiber spine fluororesin sheet 350 ′ is, for example, as shown in FIGS. 31 (A) to 31 (C), a long side b of a substantially rectangular aramid fiber fluororesin sheet 350. , D are folded at the center XX line so that the short sides a, c facing each other overlap, and by this folding, the side b and the side d are bisected around the XX line and the side b ′ formed respectively. The side b ″, the side d ′, and the side d ″ can be formed by sewing them along the sewing line indicated by a broken line in FIG. 31B and then turning them over so that the seam is inside. it can.

  Instead of the above-described forming method, two substantially rectangular sheets divided along the line XX in FIG. 31A may be used. In this case, side a and side c are The other three sides are sewn in the same manner.

  A container 350 of a bag-like body 353 having an opening on one side corresponding to the shape of each of the rod-like members 348a to 348g is formed, and this bag-like body 353 is directed from the inlet side of the forming die 310 toward the extrusion direction of the extruded dough 379. By covering the rod-like members 348a to 348g of the core body 340, the rod-like members 348a to 348g can be covered with the container 350 of the aramid fiber fluororesin sheet 350 ′.

  In the core body 340 of the present embodiment, the rod-shaped members 348a to 348g are independently formed, so that the container body for the fluororesin sheet 350 ′ is compared with the core body 340 having the conventional coupling portion 345. The coating with 350 can be performed individually, and the attachment and detachment are also easy.

  In addition, by changing the length of the bag-like body 353 of the fluororesin sheet 350 ′, the length covering the rod-like members 348 a to 348 g can be easily adjusted.

  In this embodiment, the container 350 of the bag-like body 353 of the aramid fiber fluororesin sheet 350 ′ covers the rod-shaped members 348a to 348g in the melting portion 321a, and the extruded dough 379 is melted. Since the portion 321a is not cooled and maintained in a molten state, even if the surface of the bag-like body 353 that contacts the extruded fabric 379 has some unevenness due to the seam, the unevenness is finally obtained. The shape of the woody synthetic material 329 is not affected.

  In addition, you may coat | cover the container 350 of the said aramid fiber fluororesin sheet | seat 350 'also about the side surface of the base 344 formed integrally with each said rod-shaped member 348a-348g. Thereby, coupled with the substantially streamline shape of the base 344 plane, the extruded dough 379 can flow without resistance.

  Next, the modified core body 440 and the aramid fiber fluororesin sheet 450 ′ will be described with reference to FIGS. 34 to 37. Corresponding components are in the 400s, and the common configuration uses the description.

  Like the core body 440, when the coupling | bond part 445 which couple | bonds each rod-shaped member 448a-448g within the fusion | melting part 421a of the shaping | molding die 410 is provided, the clearance gap 446 formed between rod-shaped members 448a-448g. Since the upstream portion is closed at the connecting portion 445, the presence of the connecting portion 445 prevents the extruded dough 379 from being introduced into the gap 446 forming the partition plate 329 c of the hollow wood composite material 329. At the same time, the flow passage area of the extruded dough 379 is narrowed to provide resistance to the flow of the extruded dough 379.

  In this modified embodiment, as shown in FIGS. 34 and 35, the rod-shaped members 448a to 448g are coupled by a coupling portion 445 formed integrally with the rod-shaped members 448a to 448g in the melting portion 421b of the forming die 410. The core body 440 is formed in a substantially comb-like shape as a whole from the coupling portion 445 and the rod-shaped members 448a to 448g.

  In this modified embodiment, the connecting portion 445 of the core body 440 formed by connecting the rod-shaped members 448a to 448g has a block shape, and the upstream end portion in the extrusion direction of the extruded dough 379 of the connecting portion 445 is flat. Both corners are rounded and formed into a rounded shape as a whole swelled in a semicircular arc shape in the longitudinal section, and formed so as to relieve the frictional resistance generated between the extruded dough 379 and .

  Further, the coupling portion 445 has an inclined portion 445a that reaches the gap 446 formed between the rod-like members 448a to 448g downstream of the extruded dough 379 in the extrusion direction, and the inclined portion 445a is as shown in FIG. In addition, a taper shape gradually narrowing in the longitudinal section is formed so that the extruded dough 379 easily flows into the gap 446 formed between the rod-shaped members 448a to 448g.

  Further, as shown in FIG. 35, the core body 440 is integrally formed with a base portion 444 fixed to the upper and lower inner walls of the melting portion 421a of the molding die 410 at the coupling portion 445 on the inlet side of the molding die 410, The base portion 444 is formed in a streamline shape on a plane so that the extruded dough 379 flowing through the melting portion 421a flows without resistance.

  The entire core body 440 may be covered by the container 450 of the aramid fiber fluororesin sheet 450 ′, but at least a part of the core body 440 located in the melting part 421 a is covered and the coupling part 445 is covered. Is covered.

  As shown in FIG. 36 as an example, the aramid fiber fluororesin sheet 450 ′ is bonded to the bag-like body 453 by sewing or bonding with an adhesive, as shown in FIG. A bag-like body 453 having an opening on one side corresponding to the shape of the coupling portion 445 is formed, and the bag-like body 453 is extruded from the inlet side of the forming die 410. By covering the end of the core body 440 or the coupling portion 445 in the direction, the core body 440 can be covered with the container 450 of the aramid fiber fluororesin sheet 450 ′.

  The bag-like body 453 of the aramid fiber fluororesin sheet 450 ′ is, for example, as shown in FIGS. 36A to 36C, a long side b of a single aramid fiber fluororesin sheet 450 ′ having a substantially rectangular shape or the like. , D are folded at the center xx line so that the short sides a, c facing each other overlap, and by this folding, the side b and the side d are bisected around the xx coin, respectively, and the side b ′ And side b ″, side d ′ and side d ″ are formed along the sewing line indicated by the broken line in FIG. 36B, and then folded back so that the seam is inside. be able to.

  As shown in FIG. 36, when the bag-like body 453 of the aramid fiber fluororesin sheet 450 ′ is formed in a size that can cover the formation position of the inclined portion 445a formed in the coupling portion 445 of FIG. Of these, the portion corresponding to the inclined portion 445a is inclined by cutting the exposed portion of the inclined portion 445a from the bag-like body 453, or by making a cut or the like along the shape of the inclined portion 445a. The inclined shape of the portion 445a can be maintained.

  As shown in FIG. 37, aramid fiber fluororesin sheet 450 ′ is joined by sewing or bonding with an adhesive or the like, so that a plurality of one-end openings corresponding to the number of rod-shaped members 448a to 448g formed ( In the illustrated example, a container body 450 of a cylindrical body 454 branched into 14 forks 454a to 454g) is formed. The end of the core member 440 near the ends of the core member 440 is covered with the container 450 of the aramid fiber fluororesin sheet 450 ′ by covering the core member 440 in the opposite direction to the inlet side of the forming die 310. It can also be coated.

  The cylindrical body 454 of the aramid fiber fluororesin sheet 450 ′ bisects the width of the gap 446 formed between the rod-shaped members 448a to 448g, for example, as shown in FIGS. 37 (A) to 37 (C). Two rectangular aramid fiber fluororesin sheets 450 ′ and 450 ′ provided with cuts 452 perpendicular to one side “a” corresponding to the line a are overlapped, and 2 parallel to the cuts 452. After sewing the two aramid fiber fluororesin sheets 450 ′ and 450 ′ on both sides of the sides b and d and the notch 352 along the sewing line indicated by the broken line in FIG. It can be formed by turning over so that the seam is inside.

  Instead of the above-described forming method, two substantially rectangular sheets divided along the line xx in FIG. 36A may be used. In this case, side a and side c are The other three sides are sewn in the same manner.

  If the container 450 of the cylindrical body 454 of the aramid fiber fluororesin sheet 450 ′ is used, not only the end portion of the core body 440 but also each of the rod-shaped members 448a to 448g can be effectively covered, By changing the length of the cut 452 formed in the aramid fiber fluororesin sheet 450 ′ to be the cylindrical body 454, the length covering the rod-shaped members 448a to 448g can be easily adjusted.

  In the case where the core body 440 is covered with the housing 450 of the cylindrical body 454 of the aramid fiber fluororesin sheet 450 ′, the cylindrical body 454 is composed of two aramid fiber fluororesin sheets 450 ′ and 450 ′. Since an opening is formed between the sides a and a, and the opening is opened toward the upstream side in the extrusion direction of the extruded dough 379, after covering the core body 440, both sides a and a forming the opening are connected. The extruded dough 379 is prevented from entering the housing 450 of the aramid fiber fluororesin sheet 450 ′ by folding it downstream and retaining it on the upper or lower surface of the end.

  Alternatively, the bag-like body 453 and the cylindrical body 454 of the aramid fiber fluororesin sheet 450 ′ may be sewn together to form the container 450 as a unit.

  Using the above-described extrusion molding apparatus 301, as shown in Table 1, as an example, an aramid fiber fluororesin sheet is attached to the inner wall surface of the molding die 310, and the core 440 is replaced with the aramid fiber fluororesin sheet 450 ′. (Case 1) and the bag-like body 453 covered with the core body 440 in the embodiment 1 instead of the case-450 of the bag-like body 453 (see FIG. 36C). When the core body 440 is covered with the housing body 450 of the cylindrical body 454 of the aramid fiber fluororesin sheet 450 ′ (see FIG. 37C) (Example 2), and as a comparative example, in the molding die 310 When an aramid fiber fluororesin sheet is affixed to the wall surface and the core body 340 is directly coated with a fluororesin (Comparative Example 1 and Comparative Example 3), an aramid affixed to the inner wall surface of the molding die 310 in Comparative Example 1 Fiber foot Instead of the resin sheet, when affixed to the glass fiber fluororesin sheet on the wall in the forming die 310 (Comparative Example 2, Comparative Example 4) were compared for molding a result of.

※アラミド繊維フッ素樹脂シート…ＨAS，ガラス繊維フッ素樹脂シート…ＨGS

* Aramid fiber fluororesin sheet ... HAS, glass fiber fluororesin sheet ... HGS

The molding results of the above examples are as follows.
Screw rotation speed is 50 r. p. m. In this case, the forming speed is 4.92 M / H, the discharge amount is 81.0 Kg / H, and the dough pressure is 4.0 Mpa.
Screw rotation speed is 40r. p. m. In this case, the forming speed is 4.02 M / H, the discharge amount is 60.3 Kg / H, and the dough pressure is 3.0 Mpa.

  Comparing the case where the core body 440 is directly coated with fluororesin (Comparative Example 1) and the case where the core body 440 is coated with the container 450 of the aramid fiber fluororesin sheet 450 ′ (Example 1 and Example 2), the molding speed There is not so much difference, and the plate portion of the hollow wood composite material 329 molded in contact with the inner wall of the molding die 310 on which the aramid fiber fluororesin sheet is affixed has a noticeable difference in appearance. There wasn't.

  However, as for the partition plate 430 portion of the hollow wood composite material 329, the difference in the appearance is remarkable, and in the case of Comparative Example 1, it is confirmed that the surface of the partition plate 430 is not sufficiently flat and a molding defect such as a depression occurs. (See FIG. 30). Further, regarding the “dough pressure” obtained by measuring the pressure of the extruded dough 379 extruded from the extruder 370 into the forming die 310, Comparative Example 1 shows the highest numerical value.

  Therefore, in Comparative Example 1 in which the core body 440 is directly coated with a fluororesin, the extruded dough 379 has a high pressure on the inlet side of the molding die 310, but the inside of the molding die 310 has a high pressure. It can be seen that the pressure is not so high that the extruded dough 379 can be sufficiently introduced into the gap 346 formed between the rod-shaped members 348a to 348g of the core body 440 at the molding site. Such a phenomenon still has a large frictional resistance generated between the extruded dough 379 and the core body 440, and the extruded dough 379 near the entrance of the forming die 310 functions like a plug. This is because the discharge pressure from 370 cannot efficiently increase the dough pressure in the forming die 310.

  On the other hand, in Example 1 and Example 2 in which the core body 440 is covered with the container 450 of the fluororesin sheet 450 ′, molding defects as in Comparative Example 1 cannot be confirmed, and the partition plate A hollow woody synthetic material 329 having a beautiful appearance even in the 329c portion was obtained. From this, in Example 1 and Example 2, it is considered that the frictional resistance between the extruded dough 379 and the core body 340 is sufficiently reduced as compared with Comparative Example 1.

  From the above, it has been confirmed that the core body 440 can be favorably molded with the container 450 of the fluororesin sheet 450 ′ rather than directly coated with the fluororesin.

  Further, when the container 450 of the fluororesin sheet 450 ′ covering the core body 440 is a bag-like body 453 (Example 1) and a case where it is a tubular body 454 (Example 2), In Example 2, the dough pressure is lower than that in Example 1, and it can be seen that the pressure applied on the inlet side of the forming die 310 is efficiently transmitted to the inside of the forming die 310. This is because the cylindrical body 454 of the aramid fiber fluororesin sheet 450 ′ used in Example 2 is not only the coupling portion 445 of the core body 440 but also the upstream end of the rod-shaped members 448a to 448g. Since the sheet 450 ′ is formed in a shape that can be covered with the container 450, the friction between the core body 440 and the extruded dough 379 can be further reduced as compared with that of the first embodiment, and the extruded dough can be reduced. It is thought that the flow of 379 becomes smoother. As described above, in the second embodiment, the pressure applied on the inlet side of the molding die 310 can be transmitted to the molding site of the molding die 310 more efficiently. Even when the molding speed (take-off speed) is increased as compared with Example 1, the decrease in the dough pressure in the molding die 310 can be presumed, and the hollow wood composite material 329 can be manufactured more efficiently. Become.

  When the aramid fiber fluororesin sheet is pasted on the inner wall surface of the molding die 310 (Comparative Example 1 and Comparative Example 3) and when the glass fiber fluororesin sheet is pasted (Comparative Example 2 and Comparative Example 4), the molding speed No difference was noticeable when compared at the same screw speed (Comparative Example 1: 2, Comparative Example 3: 4), and both had a screw speed of 40 (rpm) (Comparative Example) It can be seen that the discharge amount and the molding speed are increased with the increase from 3 (Comparative Example 4) to 50 (rpm) (Comparative Example 1 and Comparative Example 2).

  However, with regard to the appearance of the hollow wood composite material 329, in Comparative Example 4, there may be a case where a molding failure such as distortion occurs in the plate portion of the hollow wood composite material 329, and the screw rotation speed is 50 (rpm). In Example 2, this phenomenon became more remarkable than Comparative Example 4 with an increase in discharge amount and molding speed. Therefore, in the case where a glass fiber fluororesin sheet is attached to the inner wall surface of the forming die 310, the quality of the hollow wooden synthetic material 329 deteriorates when the screw rotation speed exceeds 40 (rpm), and the screw rotation It can be said that the degree of deterioration increases as the number increases.

  On the other hand, in Comparative Example 1 and Comparative Example 3, the hollow woody synthetic material 329 having a beautiful appearance was able to be formed with respect to the plate portion of the hollow woody synthetic material 329. Therefore, in the case where an aramid fiber fluororesin sheet is attached to the inner wall surface of the molding die 310, even if the screw rotation speed exceeds 40 (rpm) or 50 (rpm), the above-described molding defects are not observed. It does not occur, and it can be said that the quality of the hollow woody synthetic material 329 does not deteriorate.

  From the above, from the viewpoint of molding the plate portion of the hollow woody synthetic material 329, it is preferable to paste the fluororesin sheet on the inner wall surface of the molding die 310, and as the fluororesin sheet to be pasted, molding It was confirmed that it is more preferable to use the aramid fiber fluororesin sheet 350 ′ compared to the glass fiber fluororesin sheet in that the molding speed can be improved without causing quality deterioration such as defects. .

  Further, in these Comparative Examples 1 to 4 in which the core body 340 was directly coated with the fluororesin, a molding defect of the partition plate portion 430 (see FIG. 30) of the hollow wood synthetic material 329 was observed in all. From this, in order to improve the molding speed and to produce a hollow woody synthetic material in which molding failure does not occur for both the plate portion and the partition plate portion, the core body 440 is made of the aramid fiber fluororesin sheet 450 ′. It was confirmed that the experimental apparatus of Example 1 and Example 2 in which the coating body 450 was covered and the aramid fiber fluororesin sheet 450 ′ was attached to the inner wall of the molding die 310 was most suitable.

Moreover, the hollow wooden synthetic material used as the raw material of the said structural member for log house type structures is equipped with the following many characteristics.
Excellent bending composition (about twice as much as MDF). Less stretch. Dimensional stability equivalent to that of aluminum. Hard surface hardness (about 5 times that of wood, wear resistance about 7 times that of red cedar). Wood screw retention is superior to wood (about 4 times that of particle board, about 5 times that of MDF). It is strong against water and does not rot (it absorbs only about 3% even if it is immersed in water for 30 days). Good heat resistance (does not soften even at high temperatures of 120 ° C). Does not crack even if left outdoors for a long time (can withstand low temperatures at -30 ° C). Insects do not eat. There is no mold. There is a natural wood feel. Processing is easy because it contains a large amount of wood flour. Engraving is free. There is no harm of adhesive (formaldehyde) contained in conventional building materials such as particle board, medium density fiber board (MDF), and plywood. It has a unique wood texture and a natural feeling, and has a calm and deep appearance that is indistinguishable from natural wood. Coloring is also free, and various beautiful and wonderful colors such as black, green and red can be produced. It is possible to reduce the weight by making the plate shape hollow. Can be produced at low cost. Can be recycled any number of times.

  The present invention is not limited to the above-described embodiments, and modifications and the like can be made without departing from the technical idea of the present invention. Etc. are also included in the technical scope of the present invention.

1 is an overall perspective view of a log house type structure 1 according to Embodiment 1 of the present invention. It is explanatory drawing which shows the assembly method of the log house type | mold structure wall surface by the woody synthetic material 2 of Embodiment 1. FIG. It is explanatory drawing which shows the other assembly method (Kiguchi concealment method) of the log house type | mold structure wall surface by the woody synthetic material 2 of Embodiment 1. FIG. It is a perspective view which shows the cross fitting structure by the woody synthetic material 2 of Embodiment 1. FIG. It is a disassembled perspective view of the cross fitting structure by the woody synthetic material 2 of Embodiment 1. FIG. It is a cross-sectional perspective view of the woody synthetic material 2 of Embodiment 1. It is a perspective view which shows the cross fitting structure by the woody synthetic material 2 of Embodiment 2. FIG. It is a disassembled perspective view of the cross fitting structure by the woody synthetic material 2 of Embodiment 2. FIG. It is a cross-sectional perspective view of the woody synthetic material 2 of Embodiment 2. It is a perspective view which shows the cross fitting structure by the woody synthetic material 2 of Embodiment 3. FIG. It is a disassembled perspective view of the cross fitting structure by the woody synthetic material 2 of Embodiment 3. FIG. It is a cross-sectional perspective view of the woody synthetic material 2 of Embodiment 3. It is a longitudinal cross-sectional view of the woody synthetic material 502 of Embodiment 4. It is a longitudinal cross-sectional view of the woody synthetic material 602 of Embodiment 5. It is a longitudinal cross-sectional view of the woody synthetic material 702 of Embodiment 6. It is a longitudinal cross-sectional view of the woody synthetic material 802 of Embodiment 7. It is a longitudinal cross-sectional view of the woody synthetic material 902 of Embodiment 8. It is a longitudinal cross-sectional view of the woody synthetic material 1002 of Embodiment 9. It is sectional drawing which has filled the foam 189 in the hollow woody synthetic material 195. FIG. It is a partial cross section figure of the extruder 370 of the extrusion molding apparatus 301 applied to embodiment of this invention. It is a partial cross section figure of the connection means of the extrusion molding apparatus 301 applied to embodiment of this invention, and the shaping | molding die 310. FIG. (A) is a front view of the flange 317, (b) is a plan view of the flange 317, (c) is a side view of the flange 317, and (d) is a detailed view of the inlet 316 of the flange 317. (A) is a plan view of the molding die 310 (mold), (b) is a front view of the molding die 310 (mold), and (c) is a side view of the molding die 310 (mold). (A) is a plan view of the plate 311, (b) is a front view of the plate 311, and (c) is a side view of the plate 311. It is a top view explaining the inside of the shaping | molding die 310 of the extrusion molding apparatus 301. FIG. (A) is a rear view of the spacer 324, (b) is the same plan view, (c) is the same left side view, and (d) is the same front view. (A) is a top view of the heat insulation board 326, (b) is a front view of the heat insulation board 326. (A) is a plan view of the reinforcing plate 327, and (b) is a front view of the reinforcing plate 327. (A) is a plane / front view of the rod-shaped members 348a to 348g, (b) is a side sectional view of the rod-shaped member 348a, and (c) is a side view of the rod-shaped member 348h. It is sectional drawing of the hollow wooden synthetic material 329 of a shaping | molding defect. It is the figure which showed the formation method of the container of the aramid fiber fluororesin sheet | seat body applied to embodiment of this invention, (A) is a substantially rectangular aramid fiber fluororesin sheet, (B) is ( A state in which the sheet of A) is folded and sewn at the center X-X line, and (C) shows a bag-like body formed by turning over the sheet of (B). (A) is a top view of the aramid fiber fluororesin sheet | seat 350 ', (b) is XXVIIB-XXVIIB sectional drawing of an aramid fiber fluororesin sheet | seat 350'. It is a front view of the hollow woody synthetic material 329. It is plane sectional drawing of the shaping | molding die 410 of the extrusion molding apparatus of another form. It is a partial longitudinal cross-sectional view of the core body 440 of another form. It is the figure which showed the formation method of the container 450 (bag-like body 453) of the aramid fiber fluororesin sheet | seat 450 'of another form, (A) is a substantially rectangular aramid fiber fluororesin sheet | seat 450' and (B). A state in which the sheet 450 ′ of (A) is folded and sewn at the center xx line, and (C) shows a container for the bag-like body 453 formed by turning over the sheet 450 ′ of (B). It is the figure which showed the formation method of the accommodating body 450 (cylindrical body 454) of the aramid fiber fluororesin sheet | seat 450 'of another form, (A) is two sheets of substantially rectangular aramid fiber fluorine provided with the cut 452 Resin sheet 450 ', (B) is a state in which the sheet 450' of (A) is overlapped and sewn, and (C) is a container for a cylindrical body 454 formed by turning over the sheet 450 'of (B). Indicates.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Log house type structure 2 ... Wood synthetic material 3 ... Roof part 4 ... Door part 5 ... Window part 6 ... Cross fitting part 7 ... Groove part 8 ... Projection part 9 ... Structural material 10 ... Partition plate 196 ... Injection pipe DESCRIPTION OF SYMBOLS 301 ... Extrusion molding apparatus 310 ... Molding die 313 ... Inflow port (of extrusion die) 314 ... Heater 315 ... Injection port (of extrusion die)
316 ... Inlet (flange) 317 ... Flange 318 ... Injection port (flange) 319 ... Extrusion die 321a ... Melting part 321b ... Slow cooling part 322 ... Molding chamber 325 ... Cooling pipe 329 ... Hollow wood composite 329c ... Partition plate 331 ... Roller 331a ... Driving roller 333 ... Endless belt 340 ... Core body 341 ... Introduction path 342 ... Flow path 343 ... Heat insulating material 344 ... Base 345a ... Inclined part 346 ... Gap 348 ... Dividing part 348a-348g ... Rod-shaped member 350 ... Fluororesin sheet container 450 '... (aramid fiber) Fluororesin sheet 452 ... Cut 453 ... Bag-shaped container 454 ... Cylindrical container 454a-454c ... Opening 370 ... Extruder 371 ... Screw 372 ... Gear Reducer 373 ... Hopper 374 ... Barrel 375 ... Band heater 376 ... Screen 37 9 ... Extruded dough

Claims (7)

A main body having a hollow portion divided by a plurality of partition plates extending in the longitudinal direction;
A ridge extending in the longitudinal direction on the upper end surface of the main body,
A groove extending in the longitudinal direction on the lower end surface of the main body and parallel to the protrusion,
An intersecting fitting portion having a pair of upper and lower dents formed at the intersecting portion at both ends of the body portion;
Having a plurality of integrally extruded woody composites having
The cross fitting portions of one wood composite material and another wood composite material orthogonal to the wood composite material are fitted to each other, and the protrusions and the grooves of the wood composite material of the upper stage and the lower stage are fitted to be uneven. By constructing a wall body by alternately intersecting and stacking the above-mentioned wooden synthetic material,
Inserting or filling a structural material into the hollow part,
The partition plate has a horizontal partition plate and / or a vertical partition plate,
A log house type structure characterized in that the recess is formed by removing the main body portion located above and below so that at least a partition plate and / or a structural material for partitioning a hollow portion at the center remain.   The log house type structure according to claim 1, wherein the structural material includes a non-combustible material, a heat insulating material, and / or a reinforcing material. The main body,
A ridge extending in the longitudinal direction of the upper end surface of the main body,
A groove portion that extends in the longitudinal direction of the lower end surface of the main body portion and is formed in parallel with the protruding portion and in a fitting manner;
A cross fitting portion having a pair of upper and lower dents formed at both ends of the woody synthetic material,
A hollow portion partitioned by a partition plate extending in the longitudinal direction inside the main body portion;
A hollow woody synthetic material that is extruded,
Inserting or filling a structural material into the hollow part,
The partition plate has a horizontal partition plate and / or a vertical partition plate,
A structure for a log house type structure characterized in that the recess is formed by removing the main body portion located above and below so as to leave at least a partition plate and / or a structural material partitioning the hollow portion at the center. Element. The height of the protrusion is set smaller than the depth of the groove,
A lattice structure in which the horizontal partition plate and the vertical partition plate are connected,
The vertical partition plate is composed of at least a pair of left and right partition plates,
The structural material is inserted or filled in the outer hollow portion formed between the pair of partition plates and the outer wall of the main body, and the other hollow portion is inserted or filled with a gap or another member other than the structural material. The structural member for a log house type structure according to claim 3.   The log house type structural component according to claim 4, wherein a rail-like convex portion is provided above and below the horizontal partition plate by lacking an intermediate portion of the vertical partition plate of the partition plate.   The log house type structural component according to claim 5, wherein the rail-shaped convex portion includes a concave vertical cross-sectional portion, and the structural material is fitted into the concave cross-sectional portion in a vertical direction.   The log house type according to claim 3, wherein a plurality of rail-like convex portions are formed on an inner peripheral surface of the main body portion, and the hollow portion is divided by fitting the partition plate and / or the structural material into the rail-like convex portions. Structural member.

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