JP5885644B2 - Incombustible base material - Google Patents

Description

  The present invention relates to an incombustible base material, and an interior decorative structure at a corner formed using the incombustible base material.

  When a cloth is pasted as an interior finish of a wall or ceiling, a plaster board is pasted as a base material, and the cloth is pasted by adhering on it. At this time, as described in Patent Document 1 and Patent Document 2, for the corner portion, a dedicated corner material made of resin or metal is used so that a corner is clearly formed.

JP 2003-176612 A JP-A-6-316999

Incidentally, the resin corner material described in Patent Document 1 has good workability and is widely used. However, since it is not an incombustible material, it cannot be used in a semi-refractory house. Moreover, since the metal corner material described in Patent Document 2 itself has high thermal conductivity, when a fire occurs in a room, the heat is transferred to the base in the wall, and the temperature in the wall is reduced. There was a possibility that it would rise and cause problems such as the fire of wood such as pillars in the worst case. Further, in the case of metal, condensation may occur in the wall or the room due to a temperature difference between the wall and the room. Further, in the case of metal, there is a problem of corrosion, and there is a problem in using it as a base material for interior.
Also, since the step between the corner material and the gypsum board has a level difference, it is necessary to apply a ground conditioner called a putty to smooth the level difference, but if the level difference is large and the thickness of the putty increases, the putty will reach the inside. When the cloth is pasted without drying, there is a problem that the moisture contained in the putty becomes bubbles and the cloth floats.

  The present invention has been made in view of the above-described circumstances, and is a non-combustible base material that can be suitably used as an interior base material of a semi-fireproof house, and an output composed of the non-combustible base material. It is an object to provide a corner interior makeup structure.

The present invention employs the following means in order to solve the above problems.
That is, the incombustible base material of the invention of claim 1 is a base material that is attached to a base material through a fixing means, and an interior decorative sheet such as a cloth is attached to the surface. It is characterized by being formed as a non-combustible material having water absorption by a material including acid powder, aggregate, and fiber. Thereby, it can contribute to the improvement of fireproof performance.
And it is comprised as a base material for the parting which is arranged at the parting position of the ceiling material and is attached to the field edge, and the first sleeve plate part having a thickness corresponding to the thickness of the ceiling material, the first part A sleeve plate portion and a second sleeve plate portion having a different wall thickness, wherein the side end surface of the first sleeve plate portion is a surface facing the side end surface of the ceiling material, and the second sleeve plate portion The side end surface is a surface facing the surface of the wall material orthogonal to the ceiling material, the back surface is configured as a flat surface in contact with the field edge, and the first sleeve plate portion and the second sleeve plate portion on the surface A step corresponding to a difference in thickness between the sleeve plates is provided at the boundary. Thereby, an interior decorative sheet can be affixed neatly with respect to the parting position of a ceiling material.
Furthermore, it is desirable that the non-combustible material has a water absorption rate of 10 to 50%. Thereby, when putty is apply | coated to the said noncombustible base material, the water | moisture content contained in this putty can be absorbed.

Further, when the surface of the non-combustible material is provided with a surface groove that accommodates the head of the fixing means when attached to the base material, and is attached to the base material on the back surface at a position facing the surface groove. It is preferable that a back surface groove for enclosing a piece of material due to penetration of the tip of the fixing means is provided. Thereby, when screwing the non-combustible base material, the head of the screw can be accommodated in the front surface groove, and the place of the debris of the material generated when the screw penetrates the non-combustible base material can be secured by the back surface groove.
Moreover, it is desirable that an epoxy resin-based adhesive layer is provided on the surface on which the interior decorative sheet is attached. Thereby, the interior decorative sheet can be firmly attached to the base material.

In addition, the non-combustible base material of another form is configured as a corner base material disposed at the protruding corner, and the two sleeve plate portions having a thickness equivalent to the thickness of the wall plate material respectively disposed on the two wall surfaces that form the protruding corner. The side end surface of each sleeve plate portion is a surface facing the side end surface of the wall plate material, and the outer peripheral side of the intersecting portion of the two sleeve plate portions is configured as a curved surface, and on the inner peripheral side A recess is provided to avoid contact with the apex of the protruding corner. Thereby, an interior decoration sheet can be pasted neatly with respect to a corner.

In addition, the other non-combustible base material is configured as a corner base material disposed at the corner of the corner, and has two sleeve plates having a thickness corresponding to the thickness of the wall plate material respectively disposed on the two wall surfaces forming the corner. The side end surfaces of the sleeve plate portions are opposed to the side end surfaces of the wall plate material, and the outer peripheral side of the intersecting portion of the two sleeve plate portions is configured as an intersecting surface at a right angle and the inner peripheral side is curved. It is formed as a surface. Thereby, an interior decorative sheet can be affixed neatly with respect to a corner.

In addition, as the interior decoration structure of the outer corner, an incombustible base material is arranged at the outer corner of the base material where two wall surfaces intersect, and the side end surfaces of the two sleeve plates of the incombustible base material are respectively connected to the two wall surfaces. In a state of being opposed to the side end surface of the pasted wall plate material, the fixing means is passed through the inner bottom surface of the surface groove of the non-combustible base material, and the leading end portion of the fixing means is inserted into the base material. A base material is fixed to the base material, and the interior decorative sheet is attached so as to cover the surface of the non-combustible base material from the surface of the wall plate material. Thereby, an interior decoration sheet can be pasted neatly with respect to a corner.

Interior decorative structure of external corner This is the head of said surface groove and said fixing means by covering with putty, the flat by modifying the surface of the incombustible base material was stuck to the interior decorative sheet thereon It is desirable . Thereby, an interior decorative sheet can be stuck more beautifully.

According to the invention which concerns on Claim 1, it can contribute to the improvement of fireproof performance by using the nonflammable material which has water absorption.
Furthermore, an interior decorative sheet can be affixed neatly against the ceiling of the building ceiling.
According to the second aspect of the present invention, when putty is applied to the incombustible base material, moisture contained in the putty can be absorbed, and the putty is put on when the putty is not dried to the inside. The problem that the moisture contained in the air bubbles becomes a bubble and the cloth floats can be solved.

Further, if there is a surface groove, the head of the fixing means such as a nail or a screw can be accommodated in the surface groove, so that the head of the fixing means does not protrude, and the interior decorative sheet can be adhered neatly. In addition, if there is a back surface groove, it is possible to secure a place for material fragments generated when the tip of the fixing means penetrates the incombustible base material, and to prevent lifting when screwing the base material Can do.
Further, if an epoxy resin adhesive layer is provided on the surface on which the interior decorative sheet is attached, the interior decorative sheet can be firmly attached to the surface of the base material.

According to another embodiment , the interior decorative sheet can be cleanly attached to the corner of the building.

According to another embodiment , the interior decorative sheet can be neatly attached to the corner of the building.

According to the invention relating to the interior decoration structure at the corner, the interior decoration sheet can be neatly adhered to the corner of the building.

Furthermore , an interior decorative sheet can be more beautifully attached to the corner of the building.

It is a perspective view which shows the interior decoration structure at the time of using the incombustible base material of 1st Embodiment of this invention with respect to the exit corner of a building. It is the top view seen from the same incombustible base material. It is sectional drawing which shows the interior decoration structure at the time of using the same incombustible base material with respect to the exit corner of a building. (A) is the top view seen from the nonflammable base material of 2nd Embodiment of this invention, (b) is sectional drawing which shows the usage example. (A) is the top view seen from the nonflammable base material of 3rd Embodiment of this invention, (b) is sectional drawing which shows the usage example. (A) is the top view seen from the nonflammable base material of 4th Embodiment of this invention, (b) is sectional drawing which shows the usage example.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view showing an interior decorative structure when the non-combustible base material of the first embodiment is used for a corner of a building, FIG. 2 is a plan view seen from above the non-combustible base material, and FIG. It is sectional drawing which shows the interior decoration structure at the time of using a nonflammable base material with respect to the projecting corner of a building.

As shown in FIG. 1 and FIG. 3, the incombustible base material 10 of the first embodiment is configured as a corner base material having an L-shaped cross section disposed at a corner of a building, and is screwed with respect to the pillar 1 as a base material. By being stopped by 8, the cloth (interior decorative sheet) 5 is attached to the surface 13 and formed as a non-combustible material by using a material containing cement, siliceous powder, aggregate and fiber as main components. Has been.
In terms of fire prevention, the non-combustible material is preferably a non-combustible non-porous material that does not have a hole penetrating in the front and back directions, as will be described later. A through-hole for inserting a nail or a nail may be formed in advance. In the case where a through hole is formed in advance, it is preferable that the through hole is completely sealed with a screw or the like when a screw or a nail is inserted into the through hole.
Examples of the cement include hydraulic cements such as various portland cements such as normal, early strength, moderate heat, low heat, sulfate resistance, high belite containing cement, alumina cement, blast furnace cement, fly ash cement, and various mixed cements. It is done.
Examples of the siliceous powder include quartzite, diatomaceous earth, microsilica, silica fume and the like, and particularly preferred is quartzite.
Examples of the aggregate include sand, fly ash balloon, shirasu balloon, pearlite balloon, obsidian balloon, perlite, vermiculite, kanamite, glass microballoon and the like.
Examples of the fibers include organic fibers such as pulp, waste paper, polyamide fibers, polyester fibers, polypropylene fibers, and vinylon fibers, and inorganic fibers such as glass fibers and carbon fibers. Pulp is particularly preferable.
In addition, the non-combustible material is preferably water-absorbing because it absorbs moisture from the putty, and its water absorption is 10% to 50%. Preferably, it is 15% to 35%. If the water absorption rate is 50% or more, the material may expand. If the water absorption rate is 5% or less, the absorption of moisture in the putty is small, so that the generation of bubbles cannot be prevented. The water absorption was measured according to JIS A5430.
In order to increase the water absorption rate, the blending ratio of fibers such as pulp or lightweight aggregates such as pearlite may be increased.

  As shown in FIGS. 1 to 3, the incombustible base material 10 has a thickness (5 mm or more) equivalent to the thickness of the flat plaster board (wall plate material) 2 disposed on each of the two wall surfaces that form the protruding corner. Two sleeve plates 11, 12 are provided, and the side end surfaces 11 a, 12 a of the sleeve plates 11, 12 are opposed to the side end surfaces of the gypsum board 2. And the outer peripheral side of the part which the two sleeve board parts 11 and 12 cross is comprised as the curved surface 15, and the recessed part 16 which avoids contact | abutting with the vertex 1a of a protruding corner is provided in the inner peripheral side.

  Further, the surface 13 of the incombustible base material 10 is positioned on one sleeve plate portion 11 and has a depth of 1.0 mm to 2.5 mm for accommodating the head of the screw 8 when screwed to the column 1. A surface groove 17 is provided. In the center of the surface groove 17 in the width direction, a vertical stripe groove 17a having a V-shaped cross section is provided for positioning the tip of the screw 8 when screwing. Further, a back surface groove 18 is provided on the back surface 14 at a position facing the front surface groove 17 to enclose a piece of material due to the penetration of the screw 8 when screwing. In addition, the thickness of 5 mm or more of the incombustible base material 10 refers to a dimension at a portion where the front surface groove 17 and the back surface groove 18 are formed.

  Further, in the vicinity of both ends of the surface 13 of the non-combustible base material 10 and the edge of the surface groove 17, the corrugated surface portions 19 to 21 having a corrugated surface are formed in order to improve the adhesiveness with the putty when the cloth is pasted. Is provided. In addition, an epoxy resin adhesive layer (not shown) is provided on the surface to which the cloth 5 is attached.

The material of the incombustible base material 10 is so-called pulp mixed / cement / calcium silicate board, and the composition (mass%) is as follows.
・ Normal Portland cement = 30-65%
・ Wheel (siliceous powder) = 20-40%
・ Perlite (aggregate) = 5-30%
Pulp (fiber) = 2-10%

Specific examples include the following.
・ Normal Portland cement = 43%
・ Meteorite = 34%
・ Perlite = 20%
・ Pulp = 3%

The composition (mass%) of the epoxy resin adhesive layer is as follows.
・ External pigment (calcium carbonate) = 55%
・ Epoxy resin = 28%
・ Inorganic pigment (titanium oxide) = 17%
The water absorption rate is as follows.
・ No adhesive layer = 29%
・ With adhesive layer = 22%

  When the non-combustible base material 10 is used to attach the cross 5 to the protruding corner, as shown in FIGS. 1 and 3, the non-combustible base material 10 is arranged at the protruding corner of the column 1 where two wall surfaces intersect. Then, the side end surfaces 11a and 12a of the two sleeve plates 11 and 12 of the non-combustible base material 10 are opposed to the side end surfaces of the gypsum board (wall plate material) 2 attached to the two wall surfaces, respectively. In this state, the screw 8 is threaded into the column 1 by passing the screw 8 through the vertical streak groove 17a on the inner bottom surface of the surface groove 17 of the incombustible base material 10. Thereby, the incombustible base material 10 can be fixed to the pillar 1. Next, the cloth 5 is pasted so as to cover the surface 13 of the incombustible base material 10 from the surface of the gypsum board 2. that time. By covering the heads of the surface grooves 17 and screws 8 with the putty 4, the surface 13 of the incombustible base material 10 is corrected to be flat, and the cloth 5 is pasted thereon. The interior decoration structure at the corner is completed as described above.

  According to this incombustible base material 10, since there is no hole penetrating in the front and back direction, flames and heat do not enter the substrate side through the hole, which can contribute to an improvement in fire resistance. Further, since the head of the screw 8 can be accommodated in the surface groove 17, the head of the screw 8 does not protrude, and the cross 5 can be neatly adhered even at the protruding corner. Further, since the back surface groove 18 is provided, it is possible to secure a place for a piece of material generated at the time of screwing, and to prevent lifting when the nonflammable base material 10 is screwed.

Further, since it has water absorption, it can absorb the moisture of the putty, accelerate the drying of the putty, and eliminate the float of the cloth.
Further, since the epoxy resin-based adhesive layer is provided on the surface 13 to which the cloth 5 is attached, the cloth 5 can be firmly attached to the surface 13 of the incombustible base material 10 so as not to be easily peeled off.

  In addition, since the corrugated surface portions 19 to 21 are provided on the surface of the incombustible base material 10, the adhesion between the putty 4 and the incombustible base material 10 can be improved. Moreover, by using a water-based adhesive such as a starch-based adhesive as an adhesive for affixing the cloth 5, and using a paste-like material made of an inorganic substance and a water-based adhesive as the putty 4, the adhesion between the two can be improved. can do.

  4A and 4B are explanatory views of the second embodiment of the present invention, in which FIG. 4A is a plan view seen from above the incombustible base material of the second embodiment, and FIG. 4B is a sectional view showing an example of its use.

  The non-combustible base material 30 of the second embodiment is configured as a base material for parting that is arranged at the parting position of the ceiling material 43 and is screwed to the field edge (base material) 42. The first sleeve plate portion 31 having a thickness equivalent to the thickness of the first sleeve plate portion 31 and the second sleeve plate portion 32 thinner than the first sleeve plate portion 31 are provided.

  The first sleeve plate portion 31 and the second sleeve plate portion 32 are continuously provided in a single flat plate shape, and the side end surface 31 a of the first sleeve plate portion 31 corresponds to the side end surface of the ceiling material 43. The side end surface 32 a of the second sleeve plate portion 32 is a facing surface with respect to the surface of the wall material 41 orthogonal to the ceiling material 43. And the back surface 34 is comprised as a flat surface which contact | connects the field edge 42, and the thickness of both sleeve board parts 31 and 32 is formed in the boundary of the 1st sleeve board part 31 and the 2nd sleeve board part 32 of the surface 33. A step 36 corresponding to the difference is provided.

  Further, the surface groove 17 described above is provided on the surface 33 of the first sleeve plate portion 31, and the vertical stripe groove 17 a is provided at the center in the width direction of the surface groove 17. Further, the above-described back surface groove 18 is provided on the back surface 34 of the first sleeve plate portion 31. Note that the surface 35 of the second sleeve plate portion 32 is formed as a surface that is one step lower than the surface 33 of the first sleeve plate portion 31 due to the step 36.

  When using the incombustible base material 30 of the second embodiment, as shown in FIG. 4B, the non-combustible base material is screwed in with the screw 8 in a state where the back surface 34 of the incombustible base material 30 is in close contact with the lower surface of the field edge 42. The material 30 is fixed to the field edge 42. Then, the cloth 5 is attached to the surfaces of the wall material 41 and the ceiling material 43. At that time, the end portion of the cross 5 on the ceiling side covers the surface 33 of the first sleeve plate portion 31 of the incombustible base material 30 and is attached so as to go around the side surface of the step 36. By doing so, it is possible to configure the non-combustion watermark parting and to cleanly process the cloth 5.

  5A and 5B are explanatory views of a third embodiment of the present invention, in which FIG. 5A is a plan view seen from above the incombustible base material of the third embodiment, and FIG. 5B is a sectional view showing an example of its use.

  The non-combustible base material 50 of the third embodiment is configured as a base material for parting that is arranged at the parting position of the ceiling material 43 and is screwed to the field edge 42, and corresponds to the thickness of the ceiling material 43. A first sleeve plate portion 51 having a thickness of 2 mm and a second sleeve plate portion 52 having a thickness greater than that of the first sleeve plate portion 51.

  The first sleeve plate portion 51 and the second sleeve plate portion 52 are continuously provided in a single flat plate shape, and the side end surface 51 a of the first sleeve plate portion 51 corresponds to the side end surface of the ceiling material 43. A side end surface 52 a of the second sleeve plate portion 52 is a facing surface with respect to the surface of the wall material 41 orthogonal to the ceiling material 43. And the back surface 54 is comprised as a flat surface which contact | connects the field edge 42, and the thickness of both sleeve board parts 51 and 52 is formed in the boundary of the 1st sleeve board part 51 and the 2nd sleeve board part 52 of the surface 53. A step 56 corresponding to the difference is provided. Note that the surface of the second sleeve plate portion 52 is a protruding surface 55 that protrudes one step from the surface 33 of the first sleeve plate portion 31.

  Further, the surface groove 17 described above is provided on the surface 53 of the first sleeve plate portion 51, and the vertical stripe groove 17 a is provided at the center in the width direction of the surface groove 17. Further, the above-described back surface groove 18 is provided on the back surface 54 of the first sleeve plate portion 51.

  When the incombustible base material 50 of the third embodiment is used, as shown in FIG. 5B, the incombustible base material is fixed with the screw 8 in a state where the back surface 54 of the incombustible base material 50 is in close contact with the lower surface of the field edge 42. The material 50 is fixed to the field edge 42. Then, the cloth 5 is attached to the surfaces of the wall material 41 and the ceiling material 43. At that time, the end of the cross 5 on the ceiling side is fastened at a position covering the first sleeve plate portion 51. By doing so, a non-combustible parting with the protruding surface 55 exposed can be formed, and the cloth 5 can be treated cleanly.

  6A and 6B are explanatory views of a fourth embodiment of the present invention, in which FIG. 6A is a plan view seen from above the noncombustible base material of the fourth embodiment, and FIG. 6B is a cross-sectional view showing an example of its use.

  The non-combustible base material 60 of the fourth embodiment is configured as a corner base material disposed at a corner between two piers (base materials) 71 fixed to the pillar 1, and has two corners that make a corner. It has two sleeve plate portions 61 and 62 having a thickness corresponding to the thickness of the wall plate material 72 respectively arranged on the two wall surfaces of the pier 71, and the side end surfaces 61 a and 62 a of the sleeve plate portions 61 and 62 are the wall plate material 72. It is configured as a crossing surface (back surface) 64 where the outer peripheral side of the portion where the two sleeve plate portions 61 and 62 cross each other at right angles, and the inner peripheral side is formed as a curved surface (front surface) 63. Has been.

  Further, the surface groove 17 described above is provided on the surface (curved surface 63) of the first sleeve plate portion 61, and the vertical stripe groove 17 a is provided at the center in the width direction of the surface groove 17. Further, the above-described back surface groove 18 is provided on the back surface 54 (intersection surface) of the first sleeve plate portion 61.

  When using the incombustible base material 60 of the fourth embodiment, as shown in FIG. 6B, the back surface (intersection surface 64) of the incombustible base material 60 is brought into close contact with the surfaces of the two piers 71, so that the incombustible base material is used. The incombustible base material 60 is fixed to the pier 71 with screws 8 in a state where the side end surfaces 61 a and 62 a of the both sleeve plate portions 61 and 62 are opposed to the side end surfaces of the wall plate material 72. Then, the cloth 5 is attached to the surface of the wall plate material 72 and the curved surface 3 of the base material 60. By carrying out like this, a non-combustion corner can be constituted and cloth 5 can be processed neatly.

The present invention is not limited to the above-described embodiment described with reference to the drawings, and various modifications can be considered within the technical scope thereof.
For example, an interior decorative sheet other than cloth may be used.
Moreover, in the said embodiment, although the incombustible base material 10 is attached to the pillar 1 and the field edge 42 which are base materials with a screw, the fixing means which fixes the incombustible base material 10 is not restricted to a screw, a nail or It may be a screw nail.

1 Pillar (base material)
2 Gypsum board (wall board material)
DESCRIPTION OF SYMBOLS 10 Noncombustible base material 11 1st sleeve board part 11a Side end surface 12 2nd sleeve board part 12a Side end surface 13 Surface 14 Back surface 15 Curved surface 16 Recessed part 17 Surface groove 18 Back surface groove 30 Noncombustible base material 31 1st sleeve board part 31a Side end surface 32 Second sleeve plate portion 32a Side end surface 33 Front surface 34 Back surface 36 Step 41 Wall plate material 42 Field edge (base material)
43 Ceiling material 50 Noncombustible base material 51 First sleeve plate portion 51a side end surface 52 Second sleeve plate portion 52a side end surface 53 Front surface 54 Back surface 56 Step 60 Noncombustible base material 61 Sleeve plate portion 61a Side end surface 62 Sleeve plate portion 62a side End face 63 Curved surface (surface)
64 Intersection (back)
71 pier (base material)
72 Wall board material

Claims (4)

It is a base material that is attached to a base material through a fixing means, and an interior decorative sheet such as a cloth is attached to the surface,
As a main component, it is formed as a non-combustible material having water absorption by a material containing cement, siliceous powder, aggregate, and fiber,
A first sleeve plate portion that is arranged at a parting position of the ceiling material and is configured as a base material for parting that is attached to the field edge, and has a thickness equivalent to the thickness of the ceiling material, and the first sleeve plate And the second sleeve plate portion having a different thickness, the side end surface of the first sleeve plate portion being a surface facing the side end surface of the ceiling material, and the side end surface of the second sleeve plate portion Is a surface facing the surface of the wall material orthogonal to the ceiling material, and the back surface is configured as a flat surface in contact with the field edge, at the boundary between the first sleeve plate portion and the second sleeve plate portion on the surface. A non-combustible base material provided with a step corresponding to a difference in thickness between the sleeve plates .   The non-combustible base material according to claim 1, wherein the non-combustible material has a water absorption rate of 10 to 50%. A surface groove is provided on the surface of the non-combustible material to accommodate the head of the fixing means when attached to the substrate.
The back surface groove which encloses the piece of material by penetration of the front-end | tip part of the said fixing means at the time of attaching to the said base material in the back surface of the position facing this surface groove | channel is characterized by the above-mentioned. 2. Incombustible base material according to 2.   The incombustible base material according to any one of claims 1 to 3, wherein an epoxy resin-based adhesive layer is provided on a surface to which the interior decorative sheet is attached.

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