EP3597835B1 - Interior building material - Google Patents

Interior building material Download PDF

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Publication number
EP3597835B1
EP3597835B1 EP18767943.6A EP18767943A EP3597835B1 EP 3597835 B1 EP3597835 B1 EP 3597835B1 EP 18767943 A EP18767943 A EP 18767943A EP 3597835 B1 EP3597835 B1 EP 3597835B1
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EP
European Patent Office
Prior art keywords
sheet
building material
interior building
magnetic materials
magnet
Prior art date
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Application number
EP18767943.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3597835A4 (en
EP3597835A1 (en
Inventor
Itaru Yokoyama
Ken Watanabe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yoshino Gypsum Co Ltd
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Yoshino Gypsum Co Ltd
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Publication date
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Publication of EP3597835A1 publication Critical patent/EP3597835A1/en
Publication of EP3597835A4 publication Critical patent/EP3597835A4/en
Application granted granted Critical
Publication of EP3597835B1 publication Critical patent/EP3597835B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/12—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements of metal or with an outer layer of metal or enameled metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/088—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements fixed directly to the wall by means of magnets, hook and loop-type or similar fasteners, not necessarily involving the side faces of the covering element
    • E04F13/0883—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements fixed directly to the wall by means of magnets, hook and loop-type or similar fasteners, not necessarily involving the side faces of the covering element by magnets
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/043—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of plaster
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0862—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements composed of a number of elements which are identical or not, e.g. carried by a common web, support plate or grid
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/14—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements stone or stone-like materials, e.g. ceramics concrete; of glass or with an outer layer of stone or stone-like materials or glass
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/28—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups combinations of materials fully covered by groups E04C2/04 and E04C2/08
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/06—Magnets

Definitions

  • the present invention relates to an improvement in an interior building material including a plate-like base material, such as a gypsum board, to which a magnet does not attach inherently and specifically relates to an interior building material to be used for forming an interior wall and the like, wherein: a functionality that a magnet, which is a magnetic material, can be attached to a surface of the interior building material has been imparted; and, in addition to this functionality, favorable construction efficiency such that the interior building material can be easily cut with a cutter knife or the like has been achieved.
  • a plate-like base material such as a gypsum board
  • a gypsum board (also called a plaster board) is a building material obtained by shaping a material which uses gypsum as a main component into a plate and wrapping the plate with a special paperboard, and is very strong, has excellent fire resistance, and has high levels of heat insulating properties and sound insulating properties, so that gypsum boards are widely used as interior building materials in making walls and ceilings.
  • the reason that the gypsum boards have been widely used as interior building materials is also due to the fact that, in addition to the above-described excellent functionalities, the gypsum boards are excellent in construction efficiency by which the gypsum boards can be easily cut with a simple sharp cutting tool such as a cutter knife even though the gypsum boards are building materials made of an inorganic material.
  • a stopper with a magnet which makes it unnecessary to make a hole in a wall and is a substitute for a thumbtack is developed, and such stoppers with a magnet are widely used for walls made of steel or the like.
  • a magnet sheet which can be easily attached to walls made of steel or the like and has an image, characters, or the like thereon, a magnet sheet which can also be utilized as a white board, and the like are known, and such magnet sheets are widely used because they are freely attachable and detachable, and a trace of detachment is not left on a wall.
  • Patent Literature 1 a proposal on a wall member in which a magnetic sheet such as a steel sheet is pasted to a surface of a support member such as a gypsum board, and wallpaper is superimposed on the surface of the magnetic sheet.
  • a building material in which a material such as a gypsum board and a metal sheet are laminated and made into a composite, the building material being developed in order to prevent malfunction of electronic devices, has been known in recent years, and there is a possibility that a magnet can be attached to the surface of the building material in some cases (see Patent Literature 2).
  • Patent Literature 3 describes a magnet receptive building panel comprising a plurality of magnet receptive elements separated by gaps or spaces.
  • the magnetic sheet such as a steel sheet is pasted to almost the whole face of the support member such as a gypsum board or pasted to the support member over a large area even if the magnetic sheet is pasted to only a portion of the support member, and therefore the construction efficiency of the support member is remarkably inferior.
  • the specific wall member described in Patent Literature 1 has constitution in which: a magnetic sheet such as a steel sheet is pasted, with a double sided tape or an adhesive, to the surface of a commercially available gypsum board both surfaces of which are covered with paper; and a paperboard is superposed on the magnetic sheet, so that a part where a magnet can be attached to a wall face is formed by construction work, and therefore, the construction work is extremely complicated and the constitution is such that the wall member cannot be used for general purposes.
  • a magnetic sheet such as a steel sheet is pasted, with a double sided tape or an adhesive, to the surface of a commercially available gypsum board both surfaces of which are covered with paper
  • a paperboard is superposed on the magnetic sheet, so that a part where a magnet can be attached to a wall face is formed by construction work, and therefore, the construction work is extremely complicated and the constitution is such that the wall member cannot be used for general purposes.
  • the previously described building material developed in order to prevent malfunction of electronic devices intends to impart electromagnetic wave shielding properties, and therefore most of the metal sheets that are described to be usable are those of types to which a magnet does not attach. Further, with respect to the structure of the building material, many materials are laminated on the metal sheet, and therefore the building material is not constituted so that a magnet can attach to the surface thereof.
  • paints each obtained by blending a magnetic substance such as an iron powder are commercialized, and an interior building material such as a gypsum board can be constructed so that a magnet can attach thereto by providing a coating film on the surface thereof.
  • an interior building material such as a gypsum board
  • construction of thick coating on the construction site needs to be carried out, and therefore it is difficult to apply a paint uniformly and there are various problems that the construction requires a great deal of skill, the construction site gets dirty, high incombustibility of a gypsum board cannot be secured, etc. , so that such paints cannot be used for general purposes, which is similar to the technique described in Patent Literature 1.
  • a coating film layer containing a magnetic substance is formed in advance by applying a paint containing a magnetic substance blended therein on an interior building material such as a gypsum board.
  • an interior building material such as a gypsum board.
  • an object of the present invention is to provide an interior building material by which: in an interior building material which is represented by a gypsum board and to which a magnet does not attach, the surface of such an interior building material can be modified so that a magnet can attach to the surface by simple means that can be put into practical use; a wall face and the like for which a stopper with a magnet, which is a substitute for a thumbtack, and a magnet sheet are usable can thereby be formed; and favorable construction efficiency such that the interior building material can be easily cut with a cutter knife or the like has been achieved.
  • the present invention provides an interior building material comprising a plurality of sheet-like magnetic materials fixed to at least a portion of a surface or back surface of a plate-like base material to which a magnet does not attach, wherein adjacent magnetic materials are disposed in such a way as to have a portion where the adjacent magnetic materials are in contact with each other.
  • the adjacent magnetic materials are disposed in such a way as to be in contact with each other and the plurality of sheet-like magnetic materials are fixed in a state of being arranged without a gap.
  • Preferred embodiments of the interior building material according to the present invention include the followings.
  • the plurality of sheet-like magnetic materials have the same shape, and the shape is any one of shapes selected from the group consisting of a square, a rectangle, a trapezoid, a triangle, a circle, and an ellipse; four sides of the square, two sides of the rectangle, at least one side of the trapezoid or the triangle, a diameter of the circle, or at least one of a major axis and a minor axis of the ellipse is 10 cm to 35 cm; at least one of the plurality of sheet-like magnetic materials is a sheet-like magnetic material having a through hole; at least one of the plurality of sheet-like magnetic materials has a chamfered portion at an outer circumference thereof; when the interior building material is stood in such a way as to be vertical, and one sheet of A4 plain paper is held at a portion where the sheet-like magnetic materials are disposed with one disk-like magnet having a diameter of a magnet portion of 17 mm ⁇ and having a force of attraction of 3.5 N
  • a highly convenient interior building material in which an interior building material the surface of which cannot be attached to a magnet, the interior building material represented by a gypsum board, has been modified so that the surface thereof can be attached to a magnet by simple means that can be put into practical use is provided although the highly convenient interior building material has simple constitution.
  • a highly convenient interior building material wherein when plain paper or the like is held on the surface of the interior building material with a stopper with a magnet which is a substitute for a thumbtack, a magnet sheet, or the like, which has been used in various types and forms in a wide range of fields, the interior building material exhibiting force of attraction of the magnet which is sufficient for the interior building material to be able to hold the plain paper, and, further, a highly convenient wall face using the highly convenient interior building material are provided by adopting the above-described constitution.
  • the most advantageous point of the present invention is in that according to the present invention, there is provided an interior building material which is a highly convenient interior building material as described above, and by which favorable construction efficiency such that a cutter knife can be inserted between adjacent sheet-like magnetic materials, and thereby the interior building material can be easily cut into an appropriate size has been achieved.
  • the present inventors have conducted diligent studies in order to solve the previously described problems of the conventional techniques to recognize that any of the conventional techniques in which a plate-like base material, such as a gypsum board, to which a magnet does not attach is modified so that the surface thereof can be attached to a magnet deteriorates the construction efficiency and design property of the base material and lacks the industrial applicability, and this point is the biggest technical problem in the conventional techniques.
  • a plate-like base material such as a gypsum board
  • the present inventors have found that by fixing a plurality of sheet-like magnetic materials in a state of being arranged without a gap, the interior building material according to the present invention is in a state where the adjacent sheet-like magnetic materials are cut and separated even in the state where the sheet-like magnetic materials are arranged without a gap, so that a blade of a cutter knife can be easily inserted between the sheet-like magnetic materials, and the construction efficiency which is similar to that before the modification can thereby be secured.
  • the size of an interior building material is 3 shaku ⁇ 6 shaku, which is a standard shaku size of panel plywood, in many cases. Therefore, in the present invention, in the case where a plurality of sheet-like magnetic materials are arranged according to either of the above-described types of constitution, it is preferable to adopt the constitution in which magnetic materials are each disposed at a position where construction work is easily done and the magnetic materials can be cut at every desired, predetermined intervals.
  • the interior building material is cut at a portion where adjacent magnetic materials are in contact with each other, it is preferable to adopt the constitution in which the gaps are disposed at every predetermined intervals in such a way that the width thereof is in a range of, for example, 10 to 35 cm, more specifically, a width of either 10 cm, 15 cm, or 30 cm.
  • an interior building material 10 having an embodiment in which, for example, a gypsum board which is an interior building material of 3 shaku ⁇ 6 shaku is used as a base material 1, and sheet-like magnetic materials 3 of about 30-cm square are orderly arranged and fixed to the surface of the base material 1 in such a way as to be in contact with each other, as illustrated in Figure 1 , is made.
  • Figure 1 and Figure 2 are schematic diagrams and illustrates the contact portions and gaps with emphasis. The same applies to the other figures.
  • the interior building material 10 By constituting the interior building material 10, which is illustrated in Figure 1 , in the manner as described above, the interior building material 10 according to the present invention has the constitution in which the interior building material 10 can be cut by a cutter knife of the like at this portion where a blade of a cutter knife can be easily inserted between the adjacent sheet-like magnetic materials 2 and is divided about every 30 cm.
  • a gypsum board which is a base material 1 can be easily cut in a width (length) of, for example, 30 cm, 60 cm, 90 cm, etc. using the magnetic materials as guides without using a safety ruler or the like.
  • the interior building material product according to the present invention can be used up without waste and therefore is excellent in effective utilization of resources and in economic efficiency.
  • sheet-like magnetic materials of about 10-cm square or about 15-cm square, not limited to those described above, are used, the interior building material according to the present invention is a useful product which can be easily cut into a width (length) of 10 cm, 15 cm, 20 cm, 40 cm, 45 cm, 50 cm, 60 cm, 70 cm, 75 cm, 80 cm, etc.
  • the shape of a plurality of sheet-like magnetic materials 2 that constitute the interior building material 10 according to the present invention is not limited to a square illustrated in Figure 1 and Figure 2 , but may be any one of, for example, a rectangle (see Figures 3 and 4 ), a trapezoid (not illustrated in Figures), a circle (see Figure 5 ), an ellipse (not illustrated in Figures), a triangle (see Figures 6 and 7 ), and the like.
  • the shapes of a plurality of sheet-like magnetic materials are the same, but in the present invention, the shapes are not limited to these, and combinations of the above-described geometrical figures may be used.
  • the shapes and disposition of the magnetic materials it is preferable to appropriately select the shapes and disposition of the magnetic materials to use the magnetic materials so that a portion where the base material is greatly exposed exists in a region surrounded and formed by a plurality of adjacent sheet-like magnetic materials when considering that a case where through holes need to be provided in the interior building material occurs.
  • the interior building material 10 includes a plurality of sheet-like magnetic materials 2 disposed over the whole face of the base material 1 in the example given in Figure 1 and of reference examples given in Figure 2 to Figure 10 . It is preferable that the magnetic materials 2 be disposed in 90% or more, more preferably 95% of the area of the surface or back surface of the base material 1. However, the magnetic materials 2 are not necessarily disposed in this manner. For example, as illustrated in Figure 11 and Figure 12 , the magnetic materials 2 may be disposed in a range where the convenience is considered to be improved when the surface of the interior building material can be attached to a magnet.
  • An important thing in the present invention is, rather than the range where a plurality of sheet-like magnetic materials are arranged, to adopt the constitution in which a state where a plurality of sheet-like magnetic materials are arranged is made, so that a blade of a cutter knife or the like can be easily inserted between the adjacent magnetic materials as necessary in construction work and the base material can be cut along the outer circumferences of the sheet-like magnetic materials (that is, sheet-like magnetic materials are not cut) .
  • an interior building material can be made into a size as needed freely, and easily and without waste, and therefore it can be achieved to provide a product which can make the surface of a formed wall, in forming an interior wall, highly convenient in such a way that a magnet can attach thereto, and which is excellent in convenience/construction efficiency/economic efficiency by which the construction efficiency is not impaired, and the amount of left-over materials produced can be reduced.
  • More preferred embodiments of the interior building material being the object of the present invention and having the constitution in which a blade of a cutter knife or the like can be easily inserted between adjacent magnetic materials include an embodiment using a building material in which a chamfered portion is provided at the outer edge (outer circumference) of at least one of a plurality of sheet-like magnetic materials 2, or, if necessary, of all the plurality of sheet-like magnetic materials 2.
  • a blade of a cutter knife or the like can be easily inserted between the adjacent magnetic materials even in the state where a sheet-like material such as wallpaper is pasted to the surface of the interior building material according to the present invention, so that the interior building material according to the present invention is easily cut.
  • the method for fixing a plurality of sheet-like magnetic materials that constitute the interior building material according to the present invention on the base material may any of conventionally known methods.
  • the magnetic materials may be pasted to the base material with an adhesive or stopped to the base material with a double-sided tape.
  • the adhesive is not particularly limited, and, for example, organic adhesives such as vinyl acetate-based adhesives and epoxy-based adhesives and inorganic adhesives such as alkali metal silicates may be used.
  • Examples of the sheet-like magnetic material that constitutes the interior building material according to the present invention include an iron sheet or a steel sheet.
  • the steel sheet may be a surface-treated steel sheet on which a surface treatment has been performed.
  • the surface treatment on the surface-treated steel sheet may be any of surface treatments that can make a state where a magnet attaches to the surface of the building material when the interior building material according to the present invention is constituted.
  • Examples of the steel sheet include steel sheets plated with a monometal (monometal-plated steel sheets) such as a zinc-plated steel sheet and steel sheets plated with alloy (alloy-plated steel sheets) such as hot-dip 55% aluminum-zinc alloy steel sheet (Galvalume(R)). In Examples, which will be described later, cases where galvanized steel sheets, as a representative example of the steel sheets are disposed are shown, but, as a matter of course, the steel sheet is not limited thereto.
  • the sheet-like magnetic material to be used in the present invention may be a sheet-like magnetic material having one through hole or a plurality of through holes (not illustrated in Figures) .
  • a nail or a screw can be driven to this through hole during or after the construction work for the interior building material according to the present invention, and therefore the construction efficiency, convenience, and design property of the interior building material according to the present invention can be more improved.
  • the interior building material according to the present invention can be simply stopped with a screw or the like using a general-purpose electric tool by utilizing this through hole, and a surface state after stopping the interior building material according to the present invention is made flat and favorable.
  • the size of the through hole be, for example, the size of about 10 to about 20 mm ⁇ , in which the screw head or the nail head can fall.
  • the position where the through hole is provided and the number of through holes are not particularly limited and may be appropriately determined considering improvements in the construction efficiency, improvements in the convenience, and improvements in the design property each obtained by providing a through hole or through holes in the interior building material according to the present invention.
  • the through hole portions into which a screw head or a nail head falls can be treated to be flat by treating through hole portions using a pate material containing a magnetic material, and a resin or the like.
  • examples of preferred embodiments of the interior building material according to the present invention include an embodiment having constitution in which, on the surface side of a plurality of sheet-like magnetic materials such as iron sheets disposed on one face of the base material, a sheet of paper or the like is further pasted.
  • a sheet of paper or the like By constituting the interior building material according to the present invention in this way, painting can be performed without performing a primer treatment, and, in addition, wall paper can be pasted with a usual paste for wallpaper.
  • the material of the sheet to be used above is not limited to paper and may be any material. Examples of the preferred material include materials on which paste for wallpaper is easily spread or materials by which a surface property enabling a paint to be directly applied are obtained.
  • the thickness of the sheet-like magnetic material such as an iron sheet is not particularly limited as long as, for example, force of attraction by which one or more sheets of A4 printing paper can be held with one commercially available stopper with a magnet (so called magnet), which is a substitute for a thumbtack, is obtained. According to studies conducted by the present inventors, it is preferable that the thickness be specifically 0.1 mm or more, more preferably 0.2 mm or more.
  • the thickness of the sheet-like magnetic material, such as an iron sheet, that constitutes the interior building material according to the present invention may be thick, but even when the thickness exceeds 1 mm, resultant force of attraction is not so large, and when thick magnetic materials are used, the interior building material is heavy although it depends on the range of disposing the sheet-like magnetic materials, so that it is concerned that the heavy interior building material is a cause for deteriorating the construction efficiency and the workability.
  • the thickness is too thick, material costs increase unnecessarily, which is uneconomical, and therefore it is preferable to make the thickness 1 mm or less.
  • the sheet-like magnetic material When the desired force of attraction is such an extent that a sheet of A4 paper is fixed with one magnet, use of a sheet-like magnetic material having a thickness of about 5 mm is enough. According to studies conducted by the present inventors, it is preferable that the sheet-like magnetic material have a thickness of about 0.8 mm in the case of considering that a heavy, small shelf is installed with a commercially available stopper with a magnet, the stopper having realized strong force of attraction.
  • the interior building material according to the present invention be an interior building material that can exhibit the force of attraction at least to such an extent that a sheet of A4 paper can be held with one magnet as described previously.
  • the portion where the sheet-like magnetic materials that constitute the interior building material according to the present invention are disposed has force of attraction by which the plain paper does not fall. That the attraction force of the disk-like magnet having a diameter of 17 mm ⁇ used in the above-described test to the iron sheet having a thickness of 1 mm is 3.5 N is measured in the manner as illustrated in Figure 13 .
  • a magnet 5 with a hook the magnet having a diameter of 17 mm ⁇ , is placed on an iron sheet 3 having a thickness of 1 mm, and the magnet 5 is pulled over with the hook by hand under a condition of a testing speed of 3 mm/sec to read the maximum strength using Autograph (not illustrated in Figures).
  • Most common interior wall materials include gypsum boards.
  • the gypsum boards which are most often used as an interior wall material are gypsum boards having a thickness of 9.5 to 10.0 mm or 12.5 to 13.0 mm. Accordingly, it is suitable that the thickness of the interior building material according to the present invention, in which a plurality of sheet-like magnetic materials, such as iron sheets, are arranged and fixed through a particular gap, is 9.5 to 10.0 mm or 12.5 to 13.0 mm because finishing work can be conducted without causing unevenness between a surrounding wall and the interior building material.
  • gypsum boards as the base material that constitutes the interior building material according to the present invention.
  • the gypsum boards include, not limited to general-purpose boards, waterproof boards in which waterproof properties are improved, fire-resistant gypsum boards in which fire resistance performance is reinforced more, and the like.
  • the base materials that constitute the interior building material include boards made of rock wool, boards using a glass fiber, and the like.
  • the gypsum board which is a base material can be easily cut by easily inserting a blade of a cutter knife or the like between adjacent magnetic materials and making a cut into the base paper on the surface of the gypsum board under the magnetic materials. Therefore, by using an existing gypsum board as the base material, a product in which the convenience is highly enhanced can be realized without deteriorating high construction efficiency which the gypsum board has.
  • a plate-like member made of gypsum (gypsum board) and having a thickness of 12.5 mm, a length of 1820 mm, and a width of 901 mm was used as a base material.
  • 18 sheets of 30-cm square galvanized steel sheets each having a thickness of 0.5 mm were prepared as sheet-like magnetic materials.
  • the 18 sheets of galvanized steel sheets 2 were disposed so that adjacent galvanized steel sheets were arranged orderly with 3 sheets in a horizontal direction ⁇ 6 sheets in a vertical direction through a predetermined gap.
  • the galvanized steel sheets were disposed over the whole face of the base material by disposing the 3 sheets in the horizontal direction each through a gap formed by a linear narrow portion 3 having a width of 0.5 mm and disposing the 6 sheets in the vertical direction each through a gap formed by a linear narrow portion 3 having a width of 0.4 mm, and thus the interior building material of the present Example was obtained.
  • a vinyl acetate-based adhesive was used as the means for fixing the galvanized steel sheets. It is to be noted that the gaps in Figure 2 are illustrated to be larger than the actual size with emphasis in order to be easily understood.
  • the obtained plate-like interior building material 10 was observed visually and by means of touch to find that the appearance on the face of the side where the galvanized steel sheets were arranged to be disposed gave an impression which is similar to those of conventional gypsum boards because the gap between adjacent galvanized steel sheets were extremely narrow, and, in addition, the feeling of touching by hand was flat including the feeling of touching by hand on the face of the side where the galvanized steel sheets were disposed, which is similar to the feeling of touching by hand for conventional gypsum boards.
  • the force of attraction by a magnet to the face of the side where the galvanized steel sheets were arranged to be disposed was checked by the following method. That is, the interior building material was stood in such a way as to be vertical, and sheets of A4 paper each having a thickness of 0.09 mm and a mass of 64 g/m 2 were held at the face of the galvanized steel sheet side with one magnet having a diameter of a magnet portion of 17 mm ⁇ and having a force of attraction of 3.5 N to an iron sheet having a thickness of 1 mm. As a result, 5 sheets of paper can be held without a fall.
  • a blade of a cutter knife can be easily inserted into a gap portion formed by the linear narrow portion 3 having a width of 0.5 mm or having a width of 0.4 mm, the linear narrow portion 3 formed by adjacent galvanized steel sheets in the interior building material obtained above, and it was thereby ascertained that the interior building material can be easily cut.
  • the interior building material cut without using a tape measure can be easily cut into members each having a width (length) of 30 cm or having a width (length) of 60 cm, etc.
  • a plate-like member made of gypsum (gypsum board) and having a thickness of 12.5 mm, a length of 1800 mm, and a width of 900 mm was used as a base material 1.
  • the plate-like interior building material of the present Example was obtained in the same manner as in Example 1 except that adjacent galvanized steel sheets were disposed in a state of being in contact with each other using 18 sheets of 30-cm square galvanized steel sheets which are the same as those used in Example 1, and the sheet-like magnetic materials were fixed in a state of being arranged with 3 sheets in the horizontal direction ⁇ 6 sheets in the vertical direction without a gap on the surface of the base material 1 as illustrated in Figure 1 .
  • Example 1 a building material in which the appearance gave an impression which is similar to those of conventional gypsum boards, and, in addition, the feeling of touching by hand was flat including the feeling of touching by hand on the face of the side where the galvanized steel sheets were disposed, which is similar to the feeling of touching by hand for conventional gypsum boards was obtained, which was the same as in Example 1.
  • 5 sheets of A4 paper can be held with the magnet, which was the same as in the case of Example 1.
  • a blade of a cutter knife can be easily inserted at a portion where adjacent galvanized steel sheets are in contact with each other by protruding the interior building material obtained above on the side where the galvanized steel sheets were arranged, and as a result, the plate-like member made of gypsum, which is a base material, can be easily cut.
  • the interior building material cut without a tape measure can be easily cut into members each having a width (length) of 30 cm or having a width (length) of 60 cm, etc.
  • 18 sheets of 30.3-cm square galvanized steel sheets each having a thickness of 0.5 mm were prepared as sheet-like magnetic materials.
  • the 18 sheets of galvanized steel sheets were disposed so that adjacent steel sheets were arranged orderly with 3 sheets in a horizontal direction ⁇ 6 sheets in a vertical direction through a predetermined gap.
  • the galvanized steel sheets were disposed over the whole face of the base material 1 by disposing the 3 sheets in the horizontal direction each through a gap formed by a linear narrow portion 3 having a width of 0.5 mm and disposing the 6 sheets in the vertical direction each through a gap formed by a linear narrow portion 3 having a width of 0.4 mm, and thus the interior building material of the present Example was obtained.
  • the plate-like interior building material obtained above was observed visually and by means of touch to find that the appearance on the face of the side where the galvanized steel sheets were arranged to be disposed gave an impression which is similar to those of conventional gypsum boards because the gap between adjacent galvanized steel sheets were extremely narrow, which was the same as in the building material of Example 1, and, in addition, the feeling of touching by hand was flat including the feeling of touching by hand on the face of the side where the galvanized steel sheets were disposed, which is similar to the feeling of touching by hand for conventional gypsum boards.
  • the force of attraction to the face of the side where the galvanized steel sheets were arranged to be disposed was checked using the magnet having particular force of attraction to find that 5 sheets of A4 paper can be held with the magnet, which was the same as in the case of Example 1.
  • a blade of a cutter knife can be easily inserted into a gap portion formed by the linear narrow portion 3 having a width of 0.5 mm or having a width of 0.4 mm, the linear narrow portion 3 formed by adjacent galvanized steel sheets in the interior building material obtained above, and it was thereby ascertained that the interior building material can be easily cut.
  • the interior building material cut without using a tape measure can be easily cut into members each having a width (length) of 30 cm or having a width (length) of 60 cm, etc.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Finishing Walls (AREA)
  • Glass Compositions (AREA)
  • Building Environments (AREA)
EP18767943.6A 2017-03-16 2018-03-12 Interior building material Active EP3597835B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017051273A JP2017155583A (ja) 2017-03-16 2017-03-16 内装用建材
PCT/JP2018/009504 WO2018168770A1 (ja) 2017-03-16 2018-03-12 内装用建材

Publications (3)

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EP3597835A1 EP3597835A1 (en) 2020-01-22
EP3597835A4 EP3597835A4 (en) 2021-01-13
EP3597835B1 true EP3597835B1 (en) 2024-01-17

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US (1) US20200080320A1 (ja)
EP (1) EP3597835B1 (ja)
JP (2) JP2017155583A (ja)
KR (2) KR20220128677A (ja)
CN (1) CN110446820A (ja)
AU (2) AU2018235525A1 (ja)
BR (1) BR112019015124B1 (ja)
CA (1) CA3055065C (ja)
MX (1) MX2019009444A (ja)
MY (1) MY194789A (ja)
PH (1) PH12019502117A1 (ja)
RU (1) RU2747293C2 (ja)
SA (1) SA519410054B1 (ja)
SG (1) SG11201906737QA (ja)
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MX2021002435A (es) * 2018-10-05 2021-04-28 Yoshino Gypsum Co Tablero para construccion con capa magnetica.
CN112252580A (zh) * 2020-09-21 2021-01-22 江苏东尚住宅工业有限公司 一种预埋有磁铁的预制板

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AU2021202091A1 (en) 2021-04-29
PH12019502117A1 (en) 2020-07-06
JPWO2018168770A1 (ja) 2020-01-16
CN110446820A (zh) 2019-11-12
TW201837286A (zh) 2018-10-16
EP3597835A4 (en) 2021-01-13
TWI744506B (zh) 2021-11-01
SG11201906737QA (en) 2019-10-30
MY194789A (en) 2022-12-15
RU2019130571A3 (ja) 2021-04-16
MX2019009444A (es) 2019-10-09
AU2021202091B2 (en) 2023-03-16
EP3597835A1 (en) 2020-01-22
SA519410054B1 (ar) 2022-04-19
RU2019130571A (ru) 2021-04-16
AU2018235525A1 (en) 2019-07-04
JP6901164B2 (ja) 2021-07-14
CA3055065C (en) 2022-08-09
JP2017155583A (ja) 2017-09-07
BR112019015124B1 (pt) 2023-04-18
KR20220128677A (ko) 2022-09-21
KR20190097254A (ko) 2019-08-20
CA3055065A1 (en) 2018-09-20
US20200080320A1 (en) 2020-03-12
WO2018168770A1 (ja) 2018-09-20
BR112019015124A2 (pt) 2020-03-24
RU2747293C2 (ru) 2021-05-04

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