JP2017110411A - Floor material and its manufacturing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a floor material and its manufacturing method in which the beauty of wood grain such as a solid wood can be kept in a narrow groove portion, and furthermore, recesses are hard to occur on the surface.SOLUTION: A floor material 1 is provided in which a V-shaped cross section narrow groove TV extending in the longitudinal direction is formed in the central part of the lateral direction in the surface, and a narrow groove forming surface VS is formed in the peripheral edge. Natural decorative thick boards 13, 14 and a woody insulation fiberboard 15 are brought into abutment with each other and joined so that a portion corresponding to the narrow groove TV may be positioned in a natural decorative thick board 13 portion, and a portion corresponding to the narrow groove forming surface VS may be positioned in a natural decorative thick board 14 portion, and thereby a surface material 12 is formed. This surface material 12 is made to adhere on the top surface of a woody matrix 11 comprising plywood and the top surface is subjected to sanding, and then a natural decorative sheet 16 is made to adhere on the top surface of the surface material 12, and thereby a composite board 10 is formed. The top surface of this composite board 10 is subjected to cutting processing, and thereby the narrow groove TV and the narrow groove forming surface VS are formed. After that, the top surface where the narrow groove TV and the narrow groove forming surface VS are formed is painted, and thereby the floor material is manufactured.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a flooring material having a fine groove formed on the surface and a method for manufacturing the flooring material.

  As this type of flooring, for example, as shown in FIG. 12 (a), a composite board 50A is formed by adhering a natural decorative thick board 52 to the upper surface of a wood base 51 formed of plywood, As shown in FIG. 13B, the flooring 50 in which the narrow groove TV is formed in the natural decorative thick plate material 52 by cutting the surface of the composite plate 50A, and as shown in FIG. A composite board 60A is formed by sequentially sticking a wood fiber board 62 and a natural decorative thin board material 63 on the upper surface of a wood base 61 formed of plywood, and as shown in FIG. There is a floor material 60 in which a narrow groove TV is formed in the natural decorative thin plate material 63 and the wood fiber board 62 by cutting the surface of the material.

JP 2003-191207 A JP 2008-050896 A

  By the way, in the above-described flooring 50, the narrow groove TV is cut in the natural decorative thick plate material 52 portion formed of natural wood, so that the fine groove TV portion has the beauty of grain like a solid material. On the other hand, the natural decorative plank board 52 made of natural wood has a variation in strength, and is recessed on the flooring surface when using furniture or chairs with casters or dropping heavy objects. There was a fault that it was easy to occur.

  On the other hand, since the hard wood fiberboard 62 is stuck on the upper surface of the wood base 61, the floor material 60 described above is a floor material even when using furniture or chairs with casters or dropping heavy objects. On the other hand, there is an advantage that dents are hardly formed on the surface, but since the narrow groove TV is cut in the natural decorative thin plate material 63 and the wood fiber board 62 portion, there is no appearance of the grain in the fine groove TV portion, and the solid wood There was a drawback that it was not possible to have such a beautiful grain.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a flooring that can give the fine groove portion the beauty of a grain like a solid material and that is less likely to be dented on the surface, and a method for manufacturing the same.

  In order to solve the above-mentioned problem, the invention according to claim 1 is a flooring in which fine grooves are formed on the surface, and is attached to a wooden base material made of plywood and an upper surface of the wooden base material, The end face is abutted against the end face of the natural decorative plank material so as to cover the natural decorative plank material having the groove portion constituting the narrow groove and the area on the top surface of the wooden substrate where the natural decorative thick plate material is not attached. The natural fiberboard and the wood fiberboard are stuck to the top surface of the natural fiberboard so as to exclude the wood fiberboard stuck to the top surface of the wood base material and the groove formed in the natural makeup board material. A natural decorative thin plate material, and the natural decorative thick plate material is provided with a floor material characterized in that the width in the width direction of the groove is set to be not less than the width of the groove and not more than 30 mm. It is.

  The invention according to claim 2 is a flooring material having a narrow groove formed on a surface thereof, and has a wood base material made of plywood and a fitting groove on the upper surface side, and is attached to the upper surface of the wood base material. And a natural decorative plank material fitted in the fitting groove of the wood fiber board, and a natural decorative plank material formed on the wood fiber board, and a groove portion forming the narrow groove is formed on the upper surface side. The natural decorative thick plate material and the natural decorative thin plate material adhered to the upper surface of the wood fiber board so as to exclude the groove portion, and the natural decorative thick plate material has a width in the width direction of the groove portion. It is characterized by being set to be not less than 30 mm and not more than 30 mm.

  Further, the invention according to claim 3 is a flooring having a narrow groove formed on the surface thereof, which is made of a wood fiber board or particle board, and has a wood base material having a fitting groove formed on the upper surface side, and the wood The natural decorative thick plate material that is fitted in the fitting groove of the base material and has a groove portion that forms the narrow groove on the upper surface side, and the natural decorative thick plate material that excludes the natural decorative thick plate material. A decorative decorative plate material and a natural decorative thin plate material affixed to the upper surface of the wooden substrate, wherein the natural decorative thick plate material has a width in the width direction of the groove set to be not less than the width of the groove and not more than 30 mm. It is characterized by being.

  The invention according to claim 4 is the flooring material according to claim 1, wherein the natural decorative plank material has an upper end formed wider than a lower end, and the natural decorative thickness in the wood fiberboard The end face that is abutted against the end face of the plate material has a shape that follows the shape of the end face of the natural decorative thick plate material.

  Further, the invention according to claim 5 is the flooring according to claim 2 or 3, wherein the natural decorative thick board material has an upper end formed wider than a lower end, and the fitting in the wood fiber board is performed. The inner side surface of the groove is characterized by having a shape along the end face shape in the width direction of the natural decorative thick plate material.

  The invention according to claim 6 is the method for manufacturing a flooring material according to claim 1, wherein the natural decorative plank material and the wood fiber are arranged so that the portion corresponding to the narrow groove is located in the natural decorative plank material portion. A step of forming a surface layer material by abutting and joining a board, a step of adhering the surface layer material to the upper surface of a wooden substrate made of plywood, and the surface layer material adhered to the upper surface of the wooden substrate It is characterized by comprising at least a step of forming a composite plate by sticking a natural decorative thin plate material on the upper surface of the substrate and a step of forming a narrow groove by cutting the upper surface of the composite plate.

  The invention according to claim 7 is the method for manufacturing a flooring material according to claim 1, wherein the step of sticking the wood fiber board on the upper surface of the wood base material made of plywood, and the fine material in the wood fiber board The step including completely cutting the region including the portion corresponding to the groove in the thickness direction by cutting, and the natural decorative plank material is fitted to the cut portion of the wooden fiberboard, so that the wooden fiberboard and the natural makeup A step of forming a surface layer material comprising a thick plate material, a step of forming a composite plate by adhering a natural decorative thin plate material to the upper surface of the surface layer material bonded to the upper surface of the wood substrate, and the composite plate And a step of forming a narrow groove by cutting the upper surface of the substrate.

  The invention according to claim 8 is the flooring manufacturing method according to claim 2, wherein the wood fiber board is obtained by cutting an area including a portion corresponding to the narrow groove on the upper surface of the wood fiber board. A step of forming a fitting groove, and a step of forming a surface layer material comprising a wood fiber board and a natural decorative plank material by fitting a natural decorative plank material into the fitting groove formed in the wood fiber board; A step of adhering the surface layer material to the upper surface of the wood base material made of plywood, and a composite board by adhering a natural decorative thin plate material to the upper surface of the surface layer material adhered to the upper surface of the wood base material It is characterized by comprising at least a step of forming and a step of forming a narrow groove by cutting the upper surface of the composite plate.

  The invention according to claim 9 is the method for manufacturing a flooring according to claim 3, wherein a region including a portion corresponding to the narrow groove on the upper surface of the wood substrate made of wood fiber board or particle board is cut. A step of forming a fitting groove by processing, a step of fitting a natural decorative plank material into the fitting groove formed in the wood substrate, and a fitting groove of the wood substrate and the wood substrate It includes at least a step of forming a composite plate by sticking a natural decorative thin plate material to the upper surface of the fitted natural decorative thick plate material, and a step of forming a narrow groove by cutting the upper surface of the composite plate. It is characterized by having.

  As described above, the flooring material of the invention according to claim 1, 2 or 3 has a groove portion in which the natural decorative thick plate material constitutes a narrow groove, and therefore, the beauty of the grain like a solid material in the narrow groove portion. The width of the natural decorative thick plate material is set to be not less than the width of the groove portion and not more than 30 mm, so that the natural decorative thin plate material is made of a high-hardness wood fiber board. Therefore, even if furniture or a chair with a caster is used, the dent is not noticeable, and even if a heavy object falls, it is difficult to dent. Further, the natural decorative plank material has an effect that the end material can be effectively used.

  In particular, the floor material of the invention according to claim 3 uses a high-hardness wood fiber board or particle board as the wood substrate, so that the wood material as in the method of manufacturing the floor material of the invention according to claim 9 After forming the fitting groove by cutting the region including the portion corresponding to the narrow groove on the upper surface of the wood substrate made of fiberboard or particle board, and then fitting the natural decorative thick board material into the fitting groove Since it is good, the process of sticking a wood fiber board to a plywood like the case where a plywood is used as a wood base becomes unnecessary, and the effect that it is easy to manufacture is acquired.

  Further, in the flooring material of the invention according to claim 4, the natural decorative plank material is formed such that the upper end portion is wider than the lower end portion, and the end face that is abutted against the end face of the natural decorative thick plate material in the wood fiberboard is: The floor of the invention according to claim 5 has a shape that follows the shape of the end face of the natural decorative plank material, and the natural decorative plank material has a top end that is wider than the lower end, Since the inner surface of the fitting groove in the fiberboard has a shape that follows the shape of the end face in the width direction of the natural decorative thick board material, the wood fiber board is below the wide upper side of the natural decorative thick board material. Since the thickness of the natural decorative plank material is reduced at the part where the wood fiberboard enters, the upper end and the lower end of the narrow groove in the natural decorative plank material are compared with the natural decorative plank material with the same width. The effect that the outside part becomes difficult to dent is obtained. It is.

It is a top view which shows one Embodiment of the flooring which concerns on this invention. (A) is sectional drawing along the XX line of FIG. 1, (b) is sectional drawing along the YY line of FIG. (A)-(d) is a schematic process drawing for demonstrating the manufacturing method of a flooring same as the above. (A)-(e) is a schematic process drawing for demonstrating the other manufacturing method of a flooring same as the above. (A), (b) is sectional drawing which shows other embodiment. (A)-(e) is a schematic process drawing for demonstrating the manufacturing method of a flooring same as the above. (A), (b) is sectional drawing which shows other embodiment. (A)-(d) is a schematic process drawing for demonstrating the manufacturing method of a flooring same as the above. (A)-(d) is sectional drawing which shows the modification of a natural makeup | decoration plank board material, (e)-(h) is sectional drawing which shows the narrow groove part of the flooring using the natural makeup | decoration plank board material same as the above. It is sectional drawing which shows the modification of the narrow groove formed in the flooring. It is a top view which shows other embodiment of a flooring. (A), (b) is a schematic sectional drawing for demonstrating the conventional flooring and its manufacturing method. (A), (b) is a schematic sectional drawing for demonstrating the other conventional flooring and its manufacturing method.

  Hereinafter, embodiments will be described with reference to the drawings. As shown in FIGS. 1, 2 (a) and 2 (b), the flooring 1 was attached to a wooden base 11 having a thickness of 9 mm made of 5-ply plywood and the upper surface of the wooden base 11. It is comprised from the surface layer material 12 of thickness 3mm, and the natural makeup | decoration thin plate material 16 of thickness 0.2-0.3mm stuck on the upper surface of this surface layer material 12, One short direction and a longitudinal direction A male fruit is formed on the other end surface, and a female fruit is formed on the other end surface in the lateral direction and the longitudinal direction.

  Further, a narrow groove TV having a V-shaped cross section extending in the longitudinal direction is formed on the surface of the flooring 1 at the center in the short direction, and the flooring 1 is laid while being actually joined. At this time, a narrow groove forming surface VS which is an inclined inner surface on one side of the narrow groove is formed so that a similar narrow groove having a V-shaped cross section is formed at the boundary portion between the adjacent floor materials 1 and 1. The narrow groove TV and the narrow groove forming surface VS are formed in a portion from the natural decorative thin plate material 16 to the surface layer material 12.

  The surface layer material 12 has a width 10 mm having a groove portion 13 a constituting the narrow groove TV, a natural decorative thick plate material 13 having a thickness of 3 mm, and an inclined surface 14 a constituting the narrow groove forming surface VS, having a width of 5 mm and a thickness of 3 mm. The natural decorative plank material 13 and the natural decorative plank material 13 in a state where the end face is abutted against the end face of the natural decorative plank material 13, 14 so as to cover the area other than the natural decorative plank material 13, 14 on the upper surface of the wooden substrate 11. , 14, 14, 14, 14, 14, 14, 14 is a natural decorative thick plate material 13 in the center of the lateral direction of the surface layer material 12, natural decorative thick plate material 14 is the peripheral edge of the surface layer material 12 It is arranged in each part.

  The natural decorative thin plate material 16 is a surface layer material in a state of being divided into two in the short direction so as to exclude the groove portion 13a formed on the natural decorative thick plate material 13 and the inclined surface 14a formed on the natural decorative thick plate material 14. 12 (natural decorative thick board materials 13 and 14 and medium fiber board 15) are attached to the upper surface, and each peripheral end portion constitutes an inclined surface 16a or a narrow groove forming surface VS constituting the narrow groove TV. It has an inclined surface 16b.

  The flooring 1 configured as described above is manufactured as follows. First, as shown in FIG. 3 (a), the portion corresponding to the narrow groove TV is located in the natural decorative thick plate material 13 portion, and the portion corresponding to the narrow groove forming surface VS is located in the natural decorative thick plate material 14 portion. The surface layer material 12 is formed by abutting and joining the natural decorative thick plate materials 13 and 14 and the medium fiberboard 15.

  Subsequently, as shown in FIG. 6B, after the surface layer material 12 is adhered to the upper surface of the wood base material 11 made of plywood, the surface of the surface layer material 12 is smoothed by sanding. ), The composite decorative sheet 10 in which the wooden base material 11, the surface material 12 and the natural decorative thin sheet material 16 are laminated is formed by sticking the natural decorative thin sheet material 16 to the upper surface of the surface layer material 12.

  Finally, as shown in FIG. 4D, the upper surface of the composite plate 10 is cut to form the narrow groove TV and the narrow groove forming surface VS, and then the surface of the natural decorative thin plate material 16 and the narrow groove are formed. When the surfaces of the TV and the narrow groove forming surface VS are painted, the flooring 1 is completed.

  In this manufacturing method, the surface layer material 12 is formed in advance by joining the natural decorative thick board materials 13 and 14 and the medium fiberboard 15, but the present invention is not limited to this. For example, FIG. The flooring 1 can also be manufactured by the methods shown in a) to (e). In this manufacturing method, first, as shown in FIG. 1A, a medium fiber board 15 is attached to the upper surface of a wood substrate 11 made of plywood, and as shown in FIG. The middle fiberboard 15 is cut in the thickness direction by cutting the central portion in the short direction including the portion corresponding to the width of 10 mm and the end portion including the portion corresponding to the narrow groove forming surface VS in the width of 5 mm. The excised portions 15a and 15b are formed by completely excising.

  Subsequently, as shown in FIG. 4C, the 10 mm wide cut portion 15a of the medium fiberboard 15 is 10 mm wide, the 3 mm thick natural decorative thick plate material 13 is 5 mm wide, and the 5 mm wide cut portion 15b is 5 mm wide. The surface layer material 12 which consists of the medium-sized fiber board 15 and the natural makeup | decoration plank board materials 13 and 14 is formed on the wooden base material 11 by each fitting the natural makeup plank board material 14 of thickness 3mm.

  Thereafter, the flooring 1 is manufactured through the same steps as the manufacturing method shown in FIG. That is, the surface of the surface layer material 12 is smoothed by sanding, and, as shown in FIG. The composite board 10 in which the material 12 and the natural decorative sheet material 16 are laminated is formed. Finally, as shown in FIG. 5E, the fine groove TV and the fine groove forming surface VS are formed by cutting the upper surface of the composite plate 10 to form the fine groove TV and the fine groove forming surface VS. When the formed upper surface is painted, the flooring 1 is completed.

  5A and 5B show another embodiment. Since this flooring 1A has the same configuration as the above-described flooring 1 except for the surface layer 12A, the same components are denoted by the same reference numerals, and the description thereof is omitted. A certain surface layer material 12A will be described.

  The surface layer material 12A is a medium fiber board 15A in which a fitting groove 15Aa having a width of 10 mm and a depth of 2 mm is formed at the center in the short direction, and a notch 15Ab having a width of 5 mm and a depth of 2 mm is formed at the peripheral end. And a natural decorative thick plate material 13A having a width of 10 mm and a thickness of 2 mm having a groove portion 13Aa constituting the narrow groove TV, and a notch portion of the medium fiber plate 15A, which are fitted in the fitting groove 15Aa of the medium fiber plate 15A. Natural makeup having a width of 10 mm and a thickness of 3 mm in that it is composed of a natural decorative thick plate material 14A having a width of 5 mm and a thickness of 2 mm having an inclined surface 14Aa constituting the narrow groove forming surface VS fitted to 15Ab. It differs from the flooring material 1 which forms the surface layer material 12 by abutting and joining the thick plate material 13 and the natural decorative thick plate material 14 having a width of 5 mm and a thickness of 3 mm and the medium-quality fiberboard 14 having a thickness of 3 mm. ing.

  The flooring 1A configured as described above is manufactured as follows. First, as shown in FIG. 6 (a), a medium fiber board 15A is attached to the upper surface of a wood substrate 11 made of plywood, and as shown in FIG. 6 (b), a portion corresponding to the narrow groove TV is formed. The middle fiberboard 15 is cut by cutting the central portion in the short direction including a width of 10 mm and a depth of 2 mm, and a terminal portion including a portion corresponding to the narrow groove forming surface VS at a width of 5 mm and a depth of 2 mm. A fitting groove 15Aa and a notch 15Ab are formed in

  Subsequently, as shown in FIG. 5C, the natural decorative thick board 13A having a width of 10 mm and a thickness of 2 mm is provided in the fitting groove 15Aa of the medium fiber board 15A, and the width of 5 mm in the notch 15Ab of the medium fiber board 15A. The surface layer material 12A composed of the medium fiberboard 15A and the natural decorative thick plate materials 13A and 14A is formed on the wooden substrate 11 by fitting the natural decorative thick plate material 14A having a thickness of 2 mm.

  Thereafter, the flooring 1A is manufactured through the same steps as the manufacturing method shown in FIG. That is, the surface of the surface layer material 12A is smoothed by sanding, and as shown in FIG. 4D, the natural base material sheet 16 is adhered to the upper surface of the surface layer material 12A. A composite plate 10A in which the material 12A and the natural decorative thin plate material 16 are laminated is formed. Finally, as shown in FIG. 5E, the upper surface of the composite plate 10A is cut to form the narrow groove TV and the narrow groove forming surface VS, and then the narrow groove TV and the narrow groove forming surface VS are formed. When the formed upper surface is painted, the flooring 1A is completed.

  FIGS. 7A and 7B show another embodiment. This flooring 1B is integrally formed by a wooden base material 11B in which the wood base material 11 in the floor materials 1 and 1A and the medium quality fiber boards 15 and 15A constituting the surface layer materials 12 and 12A are made of a medium quality fiber board. Is different from the above-described flooring materials 1 and 1A.

  The wood base 11B is formed with a fitting groove 11Ba having a width of 10 mm and a depth of 3 mm at the center portion in the short direction on the upper surface thereof, and a notch portion 11Bb having a width of 5 mm and a depth of 3 mm at the peripheral end. The natural grooved plate 13 having a width of 10 mm and a thickness of 3 mm having a groove 13a constituting the narrow groove TV is formed in the fitting groove 11Ba of the wooden substrate 11B, and a narrow groove is formed in the notch 11Bb of the wooden substrate 11B. A natural decorative thick plate material 14 having a width of 5 mm and a thickness of 3 mm having an inclined surface 14 a constituting the surface VS is fitted, and a groove portion 13 a formed on the natural decorative thick plate material 13 and an inclined formed on the natural decorative thick plate material 14. The natural decorative thin plate material 16 is stuck to the upper surfaces of the natural decorative thick plate materials 13 and 14 and the wooden base material 11B in a state of being divided into two in the short direction so as to exclude the surface 14a.

  The flooring 1B configured as described above is manufactured as follows. First, as shown in FIG. 8 (a), on the upper surface of the wood substrate 11B made of a medium fiberboard, the central portion in the short direction including the portion corresponding to the narrow groove TV is 10 mm wide and 3 mm deep, After forming the fitting groove 11Ba and the notch portion 11Bb in the wooden base material 11B by cutting the terminal portion including the portion corresponding to the narrow groove forming surface VS with a width of 5 mm and a depth of 3 mm, respectively, As shown in b), a natural decorative thick plate material 13 having a width of 10 mm and a thickness of 3 mm is provided in the fitting groove 11Ba of the wooden substrate 11B, and a natural decorative thickness of 5 mm and a thickness of 3 mm is provided in the notch portion 11Bb of the wooden substrate 11B. The board | plate material 14 is each fitted.

  Thereafter, the flooring 1B is manufactured through the same steps as the manufacturing method shown in FIG. That is, the surface of the wooden base material 11B to which the natural decorative plank materials 13 and 14 are fitted is smoothed by sanding, and the natural decorative plank materials 13 and 14 are fitted as shown in FIG. The composite board 10B is formed by sticking the natural decorative thin plate material 16 on the upper surface of the wooden substrate 11B. Finally, as shown in FIG. 4D, the upper surface of the composite plate 10B is cut to form the narrow groove TV and the narrow groove forming surface VS, and then the narrow groove TV and the narrow groove forming surface VS are formed. When the formed upper surface is painted, the flooring 1B is completed.

  In the floor materials 1, 1A, 1B manufactured as described above, the natural decorative thick plate materials 13, 13A form the groove portions 13a, 13Aa constituting the fine groove TV, and the natural decorative thick plate materials 14, 14A form the fine groove forming surface VS. Since each of the inclined surfaces 14a and 14Aa is composed of a narrow groove TV portion formed in the center in the short direction of the flooring materials 1, 1A and 1B and the boundary between the adjacent flooring materials 1, 1A and 1B The fine groove portion formed by the narrow groove forming surface VS can be given the beauty of wood like a solid material, and the width of the natural decorative thick plate materials 13, 13A is 10 mm, the natural decorative thick plate material 14, Since the width of 14A is set to 5 mm, the outer portion of 10 mm width including the narrow groove TV is in a mode in which the natural decorative thin plate material 16 is lined with high-quality medium-quality fiberboards 15 and 11B, and with casters Furniture and chairs Dents inconspicuous be used, hardly dent also fall heavy. Furthermore, the natural decorative plank materials 13 and 13A and the natural decorative plank materials 14 and 14A have an effect that the end material can be effectively used.

  In particular, in the flooring 1B, a high-hardness wood fiber board is used as the wood base material 11B, so that it fits on the top surface of the wood base material 11B made of a medium fiber board as in the manufacturing method shown in FIG. After forming the groove 11Ba and the cutout portion 11Bb, the natural decorative thick board materials 13 and 14 may be fitted into the fitting groove 11Ba and the cutout portion 11Bb. Therefore, as in the case where the plywood is used as a wood base material, The process of sticking the fiberboard to the plywood becomes unnecessary, and an effect that it is easy to manufacture is obtained.

  In addition, in the flooring 1B mentioned above, although the medium fiber board is used as the wooden base material 11B, it is not limited to this, The same effect is also obtained by using a particle board as a wooden base material. Can be obtained.

  Moreover, in each embodiment mentioned above, although the width | variety of the natural makeup | decoration thick board materials 13 and 13A is set to 10 mm and the width | variety of the natural makeup | decoration thick board materials 14 and 14A is not limited to this, it is not a narrow groove The width of the natural decorative thick plate material having the groove portion constituting the TV is not less than the maximum width of the narrow groove TV and not more than 30 mm, and the width of the natural decorative thick plate material having the inclined surface constituting the narrow groove forming surface VS is the maximum width of the narrow groove TV. It is desirable to set it to a large ½ or more and 15 mm or less. This is because if the width of the natural decorative thick plate material having the groove portion constituting the narrow groove TV exceeds 30 mm, an easily dented area near the narrow groove TV is widened, which is not preferable from the viewpoint of caster resistance.

  Further, the thicknesses of the natural decorative plank materials 13 and 13A and the natural decorative plank materials 14 and 14A are not particularly limited, but the total thickness of the natural decorative thin plate material and the natural decorative thick plate material must be equal to or greater than the depth of the narrow groove. Needless to say.

  Moreover, in each embodiment mentioned above, the longitudinal cross-sectional shape before the fine groove process of the natural decorative thick board materials 13 and 13A which have the groove parts 13a and 13Aa which comprise the fine groove TV, and the inclined surface 14a which comprises the fine groove formation surface VS, The longitudinal cross-sectional shape of the natural decorative thick board materials 14 and 14A having 14Aa before the narrow groove processing is a rectangular shape having the same width at the upper end (upper surface) and the lower end (lower surface), but is not limited thereto. If the upper end (upper surface) of the natural decorative plank material is made wider than the lower end (lower surface), and the end face of the wooden fiberboard is aligned with the end face of the natural decorative plank material, Since the wood fiber board enters the lower side of the wide upper side of the board material, and the part into which the wood fiber board enters the thickness of the natural decorative thick board material, the upper end (upper surface) and the lower end (lower surface) For natural decorative plank with the same width Base, the effect of the outer portion of the narrow groove in the natural cosmetic thick plates is hardly dents is obtained.

  For example, as a longitudinal cross-sectional shape of the natural decorative thick plate material 13 having the groove portion 13a constituting the narrow groove TV before the narrow groove processing, as shown in FIG. 9A, a trapezoidal shape in which the upper base is wider than the lower base, As shown in the figure (b), the lower half is an inverted triangle having the apex at the lower end, and as shown in the figure (c), the upper half is a wide rectangle and the lower half is a narrow rectangle. A certain polygonal shape, a shape protruding in a circular arc shape from both side end portions on the upper surface, as shown in FIG. In addition, FIG.9 (e)-(h) is sectional drawing which shows the narrow groove part of the flooring formed using the natural decorative thick board material 13 shown to FIG.9 (a)-(d).

  Moreover, as a longitudinal cross-sectional shape before the inclined surface process of the natural decorative board material 14 which has the inclined surface 14a which comprises the narrow groove formation surface VS, each natural decorative thick board material 13 shown to Fig.9 (a)-(d). Is divided into two at the center in the width direction.

  Further, in each of the above-described embodiments, the narrow groove TV has a complete V shape formed by a pair of opposed flat inclined surfaces. However, the present invention is not limited to this, and for example, as shown in FIG. Further, it is possible to form a curved V-shaped narrow groove TV1 formed into a curved shape protruding outward by polishing the outer corner of the narrow groove formed in a V-shaped cross section. The upper inner surface of the groove portion 13a of the natural decorative thick plate member 13 constituting the narrow groove TV1 and the inclined surface 16a of the natural decorative thin plate member 16 are both curved.

  Moreover, although each embodiment mentioned above demonstrated the flooring 1, 1A, 1B in which the narrow groove TV extended in a longitudinal direction was formed in the center part of the width direction, it is not limited to this, This invention is For example, as shown in FIG. 11, it is also possible to apply to a flooring 1C having a narrow groove TV with a irregular pattern.

  The present invention can be used for a flooring having a narrow groove.

1, 1A, 1B, 1C Floor material 10, 10A, 10B Composite board 11, 11B Wood base material 11Ba Fitting groove 11Bb Notch part 12, 12A Surface layer material 13, 13A Natural decorative thick board material 13a, 13Aa Groove part 14, 14A Natural makeup Thick plate material 14a, 14Aa Inclined surface 15, 15A Medium fiber board 15a, 15b Cut part 15Aa Fitting groove 15Ab Notch 16 Natural decorative thin plate material 16a, 16b Inclined surface TV, TV1 Narrow groove VS Narrow groove forming surface

Claims (9)

A flooring with a narrow groove formed on the surface,
A wooden substrate made of plywood,
A natural decorative plank material having a groove part that constitutes the fine groove, which is attached to the upper surface of the wooden substrate;
Wood attached to the upper surface of the wooden base material in a state where the end face is abutted against the end face of the natural decorative plank material so as to cover the area where the natural decorative thick board material is not attached on the upper surface of the wooden base material. With fiberboard,
The natural decorative thin plate material and the natural decorative thin plate material adhered to the upper surface of the wood fiber board so as to remove the groove formed in the natural decorative thick plate material,
The natural decorative thick plate material is characterized in that the width in the width direction of the groove is set to be not less than the width of the groove and not more than 30 mm. A flooring with a narrow groove formed on the surface,
A wooden substrate made of plywood,
A wood fiberboard adhered to the top surface of the wood substrate, having a fitting groove on the top surface side;
A natural decorative thick plate material formed with a groove portion forming the narrow groove on the upper surface side, and fitted into the fitting groove of the wood fiber board,
The natural decorative thin plate material and the natural decorative thin plate material adhered to the upper surface of the wood fiber board so as to remove the groove formed in the natural decorative thick plate material,
The natural decorative thick plate material is characterized in that the width in the width direction of the groove is set to be not less than the width of the groove and not more than 30 mm. A flooring with a narrow groove formed on the surface,
A wood substrate made of wood fiber board or particle board, with a fitting groove formed on the upper surface side,
A natural decorative thick plate material that is fitted in the fitting groove of the wooden base material, and has a groove portion that forms the narrow groove on the upper surface side;
The natural decorative thick plate material and the natural decorative thin plate material adhered to the upper surface of the wooden base material so as to remove the groove formed in the natural decorative thick plate material,
The natural decorative thick plate material is characterized in that the width in the width direction of the groove is set to be not less than the width of the groove and not more than 30 mm. The natural decorative plank material has an upper end formed wider than a lower end,
2. The flooring according to claim 1, wherein an end surface of the wood fiber board that is abutted against an end surface of the natural decorative plank material has a shape that conforms to an end surface shape of the natural decorative plank material. The natural decorative plank material has an upper end formed wider than a lower end,
The flooring according to claim 2 or 3, wherein an inner side surface of the fitting groove in the wood fiber board has a shape along an end face shape in a width direction of the natural decorative thick board material. It is a manufacturing method of the flooring according to claim 1,
Forming a surface layer material by abutting and joining the natural decorative plank material and the wood fiber board so that the portion corresponding to the narrow groove is located in the natural decorative plank material part;
A step of attaching the surface layer material to the upper surface of a wooden substrate made of plywood;
Forming a composite board by adhering a natural decorative thin plate material to the upper surface of the surface layer material adhered to the upper surface of the wooden substrate;
And a step of forming a narrow groove by cutting the upper surface of the composite plate. It is a manufacturing method of the flooring according to claim 1,
A step of attaching a wood fiberboard to the upper surface of a wood substrate made of plywood;
A step of completely cutting in a thickness direction by cutting a region including a portion corresponding to the narrow groove in the wood fiber board; and
A step of forming a surface layer material comprising a wood fiber board and a natural makeup plank material by fitting a natural makeup plank material to the cut portion of the wood fiber board;
Forming a composite board by adhering a natural decorative thin plate material to the upper surface of the surface layer material adhered to the upper surface of the wooden substrate;
And a step of forming a narrow groove by cutting the upper surface of the composite plate. It is a manufacturing method of the flooring according to claim 2,
Forming a fitting groove in the wood fiber board by cutting an area including a portion corresponding to the narrow groove on the upper surface of the wood fiber board;
A step of forming a surface layer material comprising a wood fiber board and a natural decorative plank material by fitting a natural decorative plank material in a fitting groove formed in the wood fiber board;
A step of attaching the surface layer material to the upper surface of a wooden substrate made of plywood;
Forming a composite board by adhering a natural decorative thin plate material to the upper surface of the surface layer material adhered to the upper surface of the wooden substrate;
And a step of forming a narrow groove by cutting the upper surface of the composite plate. It is a manufacturing method of the flooring according to claim 3,
Forming a fitting groove by cutting a region including a portion corresponding to the fine groove on the upper surface of the wood substrate made of wood fiber board or particle board;
A step of fitting a natural decorative plank material into a fitting groove formed in the wooden substrate;
Forming a composite board by adhering a natural decorative thin plate material to the top surface of the natural decorative thick plate material fitted in the fitting groove of the wooden base material and the wooden base material; and
And a step of forming a narrow groove by cutting the upper surface of the composite plate.

Images