JP2013181315A - Batten cleat for ceiling board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a light-weight batten cleat for a ceiling board, in which the contact surface of a projection of a male muntin with a wall surface of an engaging groove of a female muntin has high hardness and strength, and the contact surface of the wall surface of the engaging groove of the female muntin with the projection of the male muntin has high hardness and strength.SOLUTION: A batten cleat for a ceiling board includes a male muntin 2 having a projection 4 extending along the lengthwise direction on an external side, and a female muntin 6 having an engaging groove 8 extending along the lengthwise direction on an external side, such that the projection of the male muntin is inserted in the engaging groove of the female muntin. The male muntin and the female muntin are formed from a multilayer material 9 laminated of bamboo material layers 16 and 18 made from a bamboo tree and wooden material layers 10, 12, and 14 made from a fast-growing planted tree or thinned wood. The bamboo material layers are exposed to the surface of the projection of the male muntin in contact with a wall surface of the engaging groove of the female muntin and to the wall surface of the engaging groove of the female muntin in contact with the projection of the male muntin.

Description

  The present invention relates to a ceiling board pedestal comprising a male cross and a female cross. The crosspiece of the present invention is suitably used as a crosspiece for various ceiling boards such as a transparent ceiling board and a gypsum board ceiling board.

  Conventionally, what is shown in FIG. 3 is proposed as a see-through ceiling board which improved the strength of a crosspiece (patent document 1). The ceiling board 100 of FIG. 3 includes a long rectangular ceiling board main body 102 having a decorative process on the lower surface, and a male cross 106 in which a protruding portion 104 is formed along the length direction at the middle portion of the outer surface in the vertical direction. And a female crosspiece 110 in which an engagement groove 108 is formed along the length direction in the middle portion of the outer surface in the vertical direction. Are fixed to each.

  The ceiling board 100 of FIG. 3 is made of a board material in which a male cross 106 and a female cross 110 are joined by horizontally joining two medium-sized fiberboards 112 made of South Sea material using an adhesive. Yes. Since the medium fiberboard 112 has a characteristic that the hardness of the surface portion is higher than the hardness of the other portions, it has a high hardness layer 114 on the surface portion. Further, the protruding portion 104 of the male cross 106 includes a portion 116 where the two medium-quality fiber boards 112 are in contact.

  In the ceiling plate 100 of FIG. 3, the strength of the protruding portion 104 of the male cross 106 is sufficiently high due to the two layers of the high hardness layer 114 laminated. Further, the strength of the upper convex portion 118 of the female rail 110 is improved by the one high hardness layer 114.

  Construction of the transparent ceiling using the ceiling board 100 of FIG. 3 is performed as follows (see FIG. 4). First, the ceiling plate 100a that starts to be stretched is arranged at the end of the room so that the male cross (not shown) is positioned on the wall side and the female cross 110 is positioned on the room side. Then, the female rail 110 is fixed to the base material 120 by hitting a nail material 122 onto the base material 120 from the upper wall surface of the engaging groove 108 of the female rail 110. Next, the protruding portion 104 of the male rail 106 of the second ceiling plate 100b is inserted into the engaging groove 108 of the female rail 110 of the first ceiling plate 100a. Thereby, the joint part 124 is formed between the ceiling plate 100a at the beginning of tension and the second ceiling plate 100b. Thereafter, in the same manner as described above, the female rail of the second ceiling plate 100b is fixed to the base material 120 by nailing. Repeat the above steps to complete the transparent ceiling.

JP 2001-32434 A

  However, the pedestals (male and female crosspieces) of the ceiling plate in FIG. 3 are medium on the upper and lower surfaces of the protrusion 104 of the male crosspiece 106 and the upper and lower wall surfaces of the engaging groove 108 of the female crosspiece 110. Since the portions of the fiberboard other than the high hardness layer 114 having low hardness and strength are exposed, when the projecting portion 104 of the male rail 106 and the wall surface of the engaging groove 108 of the female rail 110 are in contact with each other during construction, The wall surface of the protrusion 104 of the crosspiece 106 and the engaging groove 108 of the female crosspiece 110 may be damaged. Moreover, since the pier of the ceiling board of FIG. 3 is formed of a medium-quality fiber board, it is heavy and it is difficult to reduce the weight of the ceiling board.

  The present invention has been made in view of the above-described circumstances, and is a surface that contacts the wall surface of the engaging groove of the female rail in the protruding portion of the male rail, and a protruding portion of the male rail on the wall surface of the engaging groove of the female rail. An object of the present invention is to provide a pier for ceiling boards that has a high hardness and strength on the surface in contact with the ceiling, and a light weight.

  In order to achieve the above object, the present invention includes a male rail having a protruding portion formed along the length direction on the outer surface and a female rail having an engaging groove formed along the length direction on the outer surface. A ceiling board piercing the protruding part of the male pier into the engagement groove of the female pier, wherein the male pier and the female pier are a bamboo layer made of bamboo and a wood layer made of an early tree planted tree or a thinned tree And a surface that contacts the wall surface of the engaging groove of the female rail in the protruding portion of the male rail, and the male rail on the wall surface of the engaging groove of the female rail. There is provided a pier for a ceiling board, wherein the bamboo layer is exposed on a surface that contacts the protruding portion.

  According to the above configuration, the surface of the protruding portion of the male rail that contacts the wall surface of the engaging groove of the female rail, and the surface that contacts the protruding portion of the male rail of the wall surface of the female rail engaging groove Since the bamboo layer with a high height is exposed, the protruding part of the male beam and the wall surface of the engaging groove of the female beam are damaged when the protruding part of the male beam and the wall of the engaging groove of the female beam come into contact with each other during construction. There is nothing to do.

  When the pier of the present invention is used, for example, as a pier of a transparent ceiling board, the pier of the present invention includes a male pier formed with a protruding portion along the length direction at an intermediate portion in the vertical direction of the outer surface, and an upper and lower portion of the outer surface. A ceiling board pedestal in which a protruding portion of the male rail is inserted into the engaging groove of the female rail, the female rail having an engaging groove formed along a length direction at a middle portion in the direction. The female crosspiece is formed of a multi-layer material in which a bamboo layer made of bamboo and a wood layer made of an early-planted tree or a thinned tree are laminated, and the upper and lower surfaces of the protruding portion of the male crosspiece and the female crosspiece The bamboo material layer may be exposed on the upper wall surface and the lower wall surface of the engagement groove.

  According to the above configuration, since the bamboo layer with high hardness and strength is exposed on the upper and lower surfaces of the protruding portion of the male rail and the upper and lower wall surfaces of the engaging groove of the female rail, the male rail protrudes during construction. When the part and the wall surface of the engaging groove of the female bar come into contact with each other, the protruding part of the male bar and the wall surface of the engaging groove of the female bar are not damaged.

  When the pier of the present invention is used as, for example, a pier of a gypsum board ceiling board, the pier of the present invention has a male pier formed with a protruding portion along the length direction at the lower portion of the outer surface and a length at the upper portion of the outer surface. A ceiling board pedestal in which a protruding portion of the male cross is inserted into the engagement groove of the female cross, wherein the male cross and the female cross are made of bamboo. Formed by a multilayer material obtained by laminating a bamboo layer and a wood layer made of an early-planted tree or a thinned tree, on the upper surface of the protruding portion of the male beam and the upper wall surface of the engaging groove of the female beam, The bamboo material layer may be exposed.

  According to the above configuration, the bamboo material layer having high hardness and strength is exposed on the upper surface of the protruding portion of the male rail and the upper wall surface of the engaging groove of the female rail. When the wall surface of the engaging groove comes into contact, the protruding portion of the male rail and the wall surface of the engaging groove of the female rail are not damaged.

  In the present invention, it is preferable to use bamboo having a large thickness, a large diameter, and a high height as the bamboo from the viewpoint of high strength and hardness and suitability for processing. For example, 1 such as Mosouchiku, Tochiku, etc. Species or two or more species can be suitably used.

  In the present invention, an early-planted tree planted tree refers to a planted tree that becomes a mature tree in 15 years or less, preferably 10 years or less. “Thinned trees” refers to trees before mature trees obtained by thinning planted trees. Early-planted trees and thinned trees are soft and light. In the present invention, examples of the early-planted tree plantation include Falkata, Poplar, Acacia, Parica, Eucalyptus and the like. Falkata is particularly preferable in that it becomes an adult tree. Examples of thinned trees include cedar and firewood. In the present invention, a thinned tree of the above-mentioned early mature plantation tree can also be used.

  The multilayer material used for this invention joins a bamboo material layer and a wood layer with the adhesive agent. In this case, examples of the adhesive include urea resin, melamine resin, phenol resin, and phenol-formaldehyde resin. In addition, by providing unevenness on the bonding surface of the bamboo layer and the wood layer by embossing etc., it is possible to increase the bonding strength between different materials, prevent warping and distortion, and straightness (the product is straight A certain property).

  Since the pier for a ceiling board of the present invention is formed of a multilayer material in which a bamboo layer and a lightweight wood layer are laminated, the weight is light and the ceiling board can be reduced in weight. Also, a bamboo material layer having high hardness and strength on the surface of the protruding portion of the male rail that contacts the wall surface of the female rail and the surface of the female groove of the engaging groove that contacts the male rail. Is exposed so that the protruding part of the male rail and the wall surface of the engaging groove of the female rail will not be damaged when the protruding portion of the male rail and the wall surface of the engaging groove of the female rail come into contact during construction. .

  In this case, the spar for a ceiling board according to the present invention is composed of a multi-layer material in which a bamboo layer having high hardness and strength and is difficult to bend and a light and soft wood layer are laminated. However, it is lightweight and has excellent performance such as dimensional stability, strength and workability to support the ceiling board body, and good straightness in long crosspieces with a small cross section.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 shows a first embodiment of a ceiling board pier according to the present invention, in which (a) is a cross-sectional view of a male cross and (b) is a cross-sectional view of a female cross. It is sectional drawing which shows the state which constructed the ceiling board using the pier for ceiling boards which concerns on 2nd Embodiment of this invention. It is sectional drawing which shows an example of the conventional ceiling board for see-through ceiling. It is sectional drawing which shows the state which constructed the ceiling board of FIG.

  The present invention will be described below with reference to embodiments shown in the drawings.

(First embodiment)
1A and 1B show a first embodiment of a ceiling board pier according to the present invention. FIG. 1A is a cross-sectional view of a male cross, and FIG. 1B is a cross-sectional view of a female cross. The pier of this example is a pier for a ceiling ceiling board similar to that shown in FIG.

  In this example, the male rail 2 has a protruding portion 4 formed along the length direction at the middle portion of the outer surface in the vertical direction. The female rail 6 has an engagement groove 8 formed along the length direction at the middle portion of the outer surface in the vertical direction.

  The male cross 2 and the female cross 6 in this example are alternately made up of bamboo layers made of bamboo (in this example, Mosouchiku) and wood layers made of early-planted trees (in this example, using Falkata). It is formed of the same multi-layer material 9 having a laminated five-layer structure. Specifically, the multilayer material 9 is a single plate-like first wood layer 10, second wood layer 12, third wood layer 14, between the first wood layer 10 and the second wood layer 12. The first bamboo material layer 16 and the second bamboo material layer 18 between the second wood layer 12 and the third wood layer 14 are joined by an adhesive. In this example, the thicknesses of the first wood layer 10, the second wood layer 12, and the third wood layer 14 are each 4 mm, and the thicknesses of the first bamboo material layer 16 and the second bamboo material layer 18 are 2 mm, respectively. The thickness of can be set as appropriate. Moreover, in this example, the unevenness | corrugation is provided in the adhesive surface of each layer by the embossing by a saw blade.

  Then, the first bamboo material layer 16 is exposed on the upper surface of the protrusion 4 of the male cross 2 and the upper wall surface of the engagement groove 8 of the female cross 6, and the lower surface of the protrusion 4 of the male cross 2 and the engagement groove of the female cross 6 The second bamboo material layer 18 is exposed on the lower wall surface of 8.

  The method of constructing the transparent ceiling using the pier of this example is the same as that shown in FIG.

(Second Embodiment)
FIG. 2 is a cross-sectional view showing a state in which a ceiling board using the ceiling board pier according to the second embodiment of the present invention is constructed. The ceiling board of this example is a gypsum board ceiling board having fire resistance. In FIG. 2, reference numeral 20 denotes a ceiling board main body made of gypsum board.

  In this example, the male rail 22 has a protruding portion 24 formed along the length direction at the lower portion of the outer surface. The female rail 26 has an engaging groove 28 formed in the lower portion of the outer surface along the length direction.

  The male cross 22 and the female cross 26 in this example are alternately laminated with bamboo layers made of bamboo (in this example using Moso bamboo) and wood layers made up of thinned trees (in this example using cedar). It is formed of the same multilayer material 29 having a three-layer structure. Specifically, the multi-layer material 29 is a single-plate first wood layer 30, a second wood layer 32, and a bamboo material layer 34 between the first wood layer 30 and the second wood layer 32. Are joined by an adhesive. In this example, the thickness of the first wood layer 30 is 4 mm, the thickness of the second wood layer 32 is 3 mm, and the thickness of the bamboo layer 34 is 3 mm, but the thickness of these layers can be set as appropriate. Moreover, in this example, the unevenness | corrugation is provided in the adhesive surface of each layer by the embossing by a saw blade.

  The bamboo material layer 34 is exposed on the upper surface of the protrusion 24 of the male rail 22 and the upper wall surface of the engaging groove 28 of the female rail 26.

  The construction method of the gypsum board ceiling board of this example is the same as that shown in FIG.

  In addition, the shape and structure of the male crosspiece and the female crosspiece in the ceiling board plinth of the present invention are not limited to the above-described embodiments, and various modifications can be made as necessary.

2 Male Cross 4 Projection 6 Female Cross 8 Engaging Groove 9 Multi-layer Material 10 First Wood Layer 12 Second Wood Layer 14 Third Wood Layer 16 First Bamboo Material Layer 18 Second Bamboo Material Layer 20 Ceiling Board Main Body 22 Male Cross 24 Protrusion 26 Female rail 28 Engaging groove 29 Multi-layer material 30 First wood layer 32 Second wood layer 34 Bamboo material layer

Claims (4)

  A male rail having a protruding portion formed along the length direction on the outer side surface and a female rail having an engaging groove formed along the length direction on the outer side surface. In the ceiling board pedestal to be inserted into the engaging groove of the crosspiece, the male crosspiece and the female crosspiece are formed of a multilayer material in which a bamboo layer made of bamboo and a wood layer made of early-planted planted trees or thinned trees are laminated. And the bamboo material on the surface of the protruding portion of the male rail that contacts the wall surface of the engaging groove of the female rail and the surface of the wall surface of the engaging groove of the female rail that contacts the protruding portion of the male rail. Ceiling board pier characterized by the layer being exposed.   The male crosspiece formed with a protruding portion along the length direction at the outer surface vertical direction intermediate portion, and the female crosspiece formed with an engagement groove along the length direction at the outer surface vertical direction intermediate portion, In the ceiling board pedestal in which the protruding portion of the male cross is inserted into the engaging groove of the female cross, the male cross and the female cross are laminated with a bamboo layer made of bamboo and a wood layer made of an early tree planted tree or a thinned tree. The bamboo material layer is exposed on the upper and lower surfaces of the projecting portion of the male rail and the upper and lower wall surfaces of the engaging groove of the female rail. The pier for ceiling boards according to claim 1.   The male cross is formed with a protrusion formed along the length direction at the lower part of the outer side surface, and a female cross formed with an engagement groove along the length direction at the top part of the outer surface. In the ceiling board pedestal inserted into the engaging groove of the female crosspiece, the male crosspiece and the female crosspiece are formed of a multi-layer material in which a bamboo layer made of bamboo and a wood layer made of early-planted planted trees or thinned trees are laminated. 2. The ceiling board pier according to claim 1, wherein the bamboo material layer is exposed on an upper surface of the protruding portion of the male rail and an upper wall surface of the engaging groove of the female rail.   The ceiling board according to any one of claims 1 to 3, wherein the planted tree or thinned tree is one or more selected from Falkata, Poplar, Acacia, Cedar and Eaves. Pier.

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