WO2021112246A1 - Salle d'unité pour installation de plomberie et procédé de fabrication de salle d'unité pour installation de plomberie - Google Patents

Salle d'unité pour installation de plomberie et procédé de fabrication de salle d'unité pour installation de plomberie Download PDF

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Publication number
WO2021112246A1
WO2021112246A1 PCT/JP2020/045324 JP2020045324W WO2021112246A1 WO 2021112246 A1 WO2021112246 A1 WO 2021112246A1 JP 2020045324 W JP2020045324 W JP 2020045324W WO 2021112246 A1 WO2021112246 A1 WO 2021112246A1
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WO
WIPO (PCT)
Prior art keywords
adhesive layer
watertight
building material
water supply
unit room
Prior art date
Application number
PCT/JP2020/045324
Other languages
English (en)
Japanese (ja)
Inventor
敦 石間
嵩生 副島
奥田　拓央
北角　俊実
Original Assignee
Toto株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toto株式会社 filed Critical Toto株式会社
Priority to JP2021562757A priority Critical patent/JPWO2021112246A1/ja
Priority to CN202080005456.0A priority patent/CN113227516A/zh
Publication of WO2021112246A1 publication Critical patent/WO2021112246A1/fr

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
    • E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K4/00—Combinations of baths, douches, sinks, wash-basins, closets, or urinals, not covered by a single other group of this subclass
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/20—Connecting baths or bidets to the wastepipe
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B1/6801—Fillings therefor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B1/6806—Waterstops
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
    • E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
    • E04H1/125—Small buildings, arranged in other buildings
    • E04H1/1266—Cubicles for dressing; Toilets

Definitions

  • the present invention relates to a unit room for water supply equipment, and more particularly to a unit room for water supply equipment that is assembled by watertightly joining a plurality of building materials to each other.
  • unit rooms for water supply equipment such as unit baths and unit-type shower rooms
  • building materials such as flooring materials, wall materials, and ceilings are manufactured in advance at the factory, and these building materials are brought to the construction site to be carried to the construction site. Manufactured by the knockdown method assembled in.
  • unit rooms for water supply equipment are required to have reliable waterproofness, and it is necessary to ensure watertightness at the joints of each building material such as floor materials and wall materials. ..
  • silicone is applied to the joint. It is common practice to ensure the watertightness of the joint by applying an adhesive.
  • Patent Document 1 describes a method of mounting an equipment unit and a unit building to which the equipment unit is mounted.
  • a hot melt type sealing material that is heated and softened is applied to the gap between the equipment unit and the members of the surrounding building, and this sealing material is used to connect the equipment unit and the members of the surrounding building. The space is sealed.
  • Patent Document 2 Japanese Unexamined Patent Publication No. 2016-50431 (Patent Document 2) describes a method for sealing between a floor portion and a wall portion in a bathroom washing place.
  • the caulking material is inserted into the gap between the groove portion and the wall portion via the caulking material supply nozzle. Is injected. By solidifying this caulking material, the space between the floor and the wall is sealed, and watertightness is ensured.
  • an adhesive such as butyl rubber in order to ensure the watertightness of the joints of the building materials that make up the unit room for water supply equipment.
  • an adhesive material such as butyl rubber
  • an object of the present invention is to provide a unit room for water supply equipment and a method for manufacturing the same, which does not require a special skill by a builder and can ensure reliable watertightness.
  • the present invention is a unit room for water supply equipment assembled by watertightly joining a plurality of building materials to each other, and linear watertightness is formed at a joint portion to be joined to other building materials.
  • the watertight adhesive layer has a first building material on which an adhesive layer is formed and a second building material having a joint portion that is watertight and re-adhesive to the first building material. After the building material and the second building material are once adhered via the watertight adhesive layer, when the adhesive between the first building material and the second building material is peeled off, the entire watertight adhesive layer remains on the first building material side. It is characterized by being configured.
  • a linear watertight adhesive layer is formed at the joint portion of the first building material.
  • the joint portion of the second building material is watertightly and re-adhesively adhered to the joint portion of the first building material via the watertight adhesive layer.
  • the watertight adhesive layer is configured so that the entire watertight adhesive layer remains on the first building material side when the adhesive is peeled off after the first building material and the second building material are adhered to each other.
  • the first building material and the second building material are watertightly joined by the watertight adhesive layer formed at the joint portion of the first building material. It is possible to reliably manage the watertightness between building materials without depending on the above. Further, since the first building material and the second building material are adhered by the watertight adhesive layer, watertightness can be ensured only by contacting the joint portion between the watertight adhesive layer and the second building material, and the watertight adhesive layer can be ensured. There is no need to have a large crushing allowance. Therefore, watertightness can be reliably ensured.
  • the second building material once adhered during the assembly of the unit room for water supply equipment is attached to the watertight adhesive layer. It can be peeled off from and the position can be adjusted. That is, the watertight adhesive layer formed at the joint portion of the first building material is watertight adhesive even when the joint between the first building material and the second building material is peeled off after adhering to the joint portion of the second building material. The layer remains on the side of the first building material without being destroyed and can be reattached. Therefore, when assembling the unit room for water supply equipment, the position of the building material can be adjusted even after the first building material and the second building material are once adhered to each other.
  • the adhesive force between the watertight adhesive layer and the first building material is set stronger than the adhesive force between the watertight adhesive layer and the second building material.
  • the adhesive force between the watertight adhesive layer and the first building material is set stronger than the adhesive force between the watertight adhesive layer and the second building material. Therefore, when the first building material and the second building material once joined are peeled off, the entire watertight adhesive layer can be reliably left on the side of the first building material, which is sufficient even when re-adhesion is performed. Watertightness can be ensured.
  • the watertight adhesive layer should be formed on the strong adhesive layer that is adhered to the joint portion of the first building material and the strong adhesive layer, and should be adhered to the joint portion of the second building material.
  • the adhesive strength of the strong adhesive layer is stronger than that of the weak adhesive layer.
  • the watertight adhesive layer includes a strong adhesive layer having a strong adhesive force and a weak adhesive layer having a weak adhesive force
  • the watertight adhesive layer adheres to the first building material.
  • the force can be surely made stronger than the adhesive force to the second building material, and when the adhesive is peeled off, the watertight adhesive layer can be surely left on the side of the first building material.
  • the strong adhesive layer and the weak adhesive layer the adhesive force to the first building material and the adhesive force to the second building material in the watertight adhesive layer can be easily set.
  • the watertight adhesive layer is formed by applying a heated and liquefied pressure-sensitive adhesive to the joint portion of the first building material in a continuous linear manner, and the second After the temperature of the watertight adhesive layer is lowered to room temperature, the watertight adhesive layer is adhered to the joint portion of the building material in a watertight and re-adhesive manner, and the bonding force between the first building material and the watertight adhesive layer is determined. It is characterized by being stronger than the adhesive force between the second building material and the watertight adhesive layer.
  • a watertight adhesive layer is formed by applying a heated and liquefied pressure-sensitive adhesive to the joint portion of the first building material. After the temperature of the watertight adhesive layer formed in this manner is lowered to room temperature, the joint portion of the second building material is watertightly adhered to the watertight adhesive layer, so that the first building material and the second building material are separated from each other. Be joined. Further, the watertight adhesive layer is a watertight adhesive layer when the first building material and the second building material are once adhered via the watertight adhesive layer and then the adhesive between the first building material and the second building material is peeled off. The whole is configured to remain on the side of the first building material.
  • the first building material and the second building material are watertightly joined by the watertight adhesive layer formed at the joint portion of the first building material. It is possible to reliably manage the watertightness between building materials without depending on the above. Further, since the first building material and the second building material are adhered by the watertight adhesive layer, watertightness can be ensured only by contacting the joint portion between the watertight adhesive layer and the second building material, and the watertight adhesive layer can be ensured. There is no need to have a large crushing allowance. Therefore, watertightness can be reliably ensured.
  • the second building material once adhered during the assembly of the unit room for water supply equipment is attached to the watertight adhesive layer. It can be peeled off from and the position can be adjusted. That is, the watertight adhesive layer formed at the joint portion of the first building material is watertight adhesive even when the joint between the first building material and the second building material is peeled off after adhering to the joint portion of the second building material. The layer remains on the side of the first building material without being destroyed and can be reattached. Therefore, when assembling the unit room for water supply equipment, the position of the building material can be adjusted even after the first building material and the second building material are once adhered to each other.
  • the watertight adhesive layer is formed by applying a heated and liquefied pressure-sensitive adhesive to the joint portion of the first building material in a continuous linear manner, and the second building material is joined. After the temperature of the watertight adhesive layer drops to room temperature, the watertight adhesive layer is watertightly and re-adhesively adhered to the portion, and the first contact area between the joint portion of the first building material and the watertight adhesive layer is formed. It is characterized in that it is set larger than the second contact area between the joint portion of the second building material and the watertight adhesive layer.
  • the watertight adhesive layer formed by continuously and linearly applying a heat-liquefied pressure-sensitive adhesive to the joint portion of the first building material is provided with the first.
  • the adhesive force of the first contact area can be made stronger than the adhesive force of the second contact area, so that the second building material is made larger than the first building material with respect to the watertight adhesive layer. It was possible to make it easy to peel off.
  • the entire watertight adhesive layer is not broken and the first building material is not broken. It can remain on the side of the building material 1 and can be prevented from coming off together with the second building material. Therefore, even if it becomes necessary to shift the relative positions of the first building material and the second building material once adhered via the watertight adhesive layer when assembling the building material of the unit room for water supply equipment, respectively. Since it is not necessary to reapply the watertight adhesive layer to the joint portion of the building material, workability can be improved.
  • the unit room for the water supply equipment can be easily assembled, and the assembling property can be improved. As a result, it is possible to provide a unit room for water supply equipment that can ensure reliable watertightness without requiring special skills by the builder.
  • the watertight adhesive layer is formed by applying a heated and liquefied pressure-sensitive adhesive to the joint portion of the first building material in a continuous linear manner, and the second building material is joined. After the temperature of the watertight adhesive layer drops to room temperature, the watertight adhesive layer is watertightly and re-adhesively adhered to the portion, and the joint portion of the first building material is strongly maintained to adhere to the watertight adhesive layer. An adhesive region is provided, and a weak adhesive region that allows peeling from the watertight adhesive layer is provided at the joint portion of the second building material.
  • a strong adhesive region for maintaining adhesion with the watertight adhesive layer is provided on the joint portion of the first building material, and watertight adhesiveness is provided on the joint portion of the second building material.
  • the strength of the joint portion of the first building material is strengthened.
  • the adhesive region can maintain the adhesion between the first building material and the watertight adhesive layer, while the weak adhesive region at the joint of the second building material allows the second building material to be peeled off from the watertight adhesive layer.
  • the entire watertight adhesive layer can remain on the side of the first building material without being broken, and can be prevented from coming off together with the second building material.
  • the weak adhesive region of the second building material reduces the force applied when the watertight adhesive layer tries to peel off from the second building material, the choice of the pressure-sensitive adhesive constituting the watertight adhesive layer is expanded. As a result, it is possible to provide a unit room for water supply equipment that can ensure reliable watertightness without requiring special skills by the builder.
  • the watertight adhesive layer is formed by applying a heated and liquefied pressure-sensitive adhesive to the joint portion of the first building material in a continuous linear manner, and the second building material is joined. After the temperature of the watertight adhesive layer drops to room temperature, the watertight adhesive layer is watertightly and re-adhesively adhered to the portion to prevent the watertight adhesive layer from detaching from the joint portion of the first building material. Is provided.
  • the first building material and the second building material are once adhered to each other via the watertight adhesive layer, and then the first building material and the second building material are peeled off from each other, the first building material and the second building material are first adhered to each other. Since the detachment prevention portion provided at the joint portion of the building material 1 can prevent the watertight adhesive layer from detaching from the joint portion of the first building material, the entire watertight adhesive layer is not broken and the first one is not broken. It can remain on the side of the building material and can be prevented from coming off together with the second building material.
  • the unit room for the water supply equipment can be easily assembled, and the assembling property can be improved. As a result, it is possible to provide a unit room for water supply equipment that can ensure reliable watertightness without requiring special skills by the builder.
  • one of the first building material and the second building material is a floor material constituting a unit room for water supply equipment, and the other of the first building material and the second building material is.
  • a plurality of wall materials that are adhered to the floor material, and these wall materials are adhered on a continuous watertight adhesive layer formed on the floor material.
  • the joint between the floor material and the wall material is the part that is most susceptible to water and requires high watertightness.
  • the floor material and the wall material are watertightly bonded by the watertight adhesive layer, the watertightness of the unit room for water supply equipment can be surely ensured.
  • the first building material is a frame material that is raised from the floor material of the unit room for water supply equipment
  • the second building material is a plurality of wall materials, and these wall materials are connected to each other. It is connected via a frame material.
  • the handling of the building material is more than the case where the watertight adhesive layer is formed on the wall material side. It is easy to remove, and the workability of assembling the unit room for water supply equipment can be improved.
  • the present invention is a method for manufacturing a unit room for water supply equipment, which is assembled by watertightly joining a plurality of building materials to each other, and heats the joint portion of the first building material to be joined to other building materials.
  • the first By adhering the watertight adhesive layer formed at the joint portion of the building material and the joint portion of the second building material in a watertight and re-adhesive manner, the first building material and the second building material are joined to form water. It is characterized by having an assembly process for assembling a unit room for rotating equipment.
  • the pressure-sensitive adhesive liquefied by heating is continuously and linearly applied to the joint portion of the first building material, and the watertight adhesive layer is formed. It is formed.
  • the temperature of the watertight adhesive layer formed in the watertight adhesive layer forming step is lowered to room temperature, whereby the morphology of the watertight adhesive layer is stabilized, and the watertight adhesive layer exhibits elasticity and shape restoration. become.
  • the watertight adhesive layer formed on the first building material and the joint portion of the second building material are adhered to each other in a watertight and re-adhesive manner, and the first building material and the second building material are joined. Will be done.
  • a watertight adhesive layer is formed in advance at the joint portion of the first building material, and the watertight adhesive layer is used to form the first building material and the second building material. Since the building materials are joined in a watertight manner, the watertightness between the building materials can be reliably controlled. Further, since the first building material and the second building material are adhered by the watertight adhesive layer, watertightness can be ensured only by contacting the joint portion between the watertight adhesive layer and the second building material, and the watertight adhesive layer can be ensured. There is no need to have a large crushing allowance. Therefore, watertightness can be reliably ensured.
  • the joint portion between the watertight adhesive layer and the second building material is watertightly and re-adhesively adhered, the second building material once adhered during the assembly of the unit room for water supply equipment is attached to the watertight adhesive layer. It can be peeled off from and the position can be adjusted. That is, the watertight adhesive layer formed at the joint portion of the first building material by applying the liquefied pressure-sensitive adhesive is strongly adhered to the first building material, and the second building material adhered after the curing step. Adhesion is stronger than the joint.
  • the watertight adhesive layer is adhered to the joint portion of the second building material and then the joint between the first building material and the second building material is peeled off, the watertight adhesive layer is not destroyed and the first one is not destroyed. It remains on the side of the building material and can be reattached.
  • the watertight adhesive layer forming step is performed at the manufacturing plant of the unit room for the water supply equipment. According to this, since the watertight adhesive layer forming step is executed at the manufacturing plant of the unit room for the water supply equipment, the watertight adhesive layer can be formed on the first building material under sufficient quality control. It is possible to ensure watertightness.
  • the method for manufacturing the unit room for water supply equipment and the unit room for water supply equipment of the present invention it is possible to ensure reliable watertightness without requiring special skills by the builder.
  • FIG. 1st Embodiment of this invention It is a perspective view which shows typically the unit room for water-related equipment according to 1st Embodiment of this invention. It is a perspective view which shows typically the floor material used for the unit room for water supply equipment. It is sectional drawing of the floor material 2 along III-III of FIG. 2 in the unit room for water supply equipment. It is a perspective view which shows typically the lower end part of the frame used for the unit room for water supply equipment. It is a side view which shows typically the lower end part of the frame used for the unit room for water supply equipment. It is a perspective view which shows typically the ceiling material used for the unit room for water-related equipment. It is sectional drawing which follows the line VII-VII of FIG. 6 of the ceiling material used for the unit room for water supply equipment.
  • FIG. 13 It is a perspective view which shows the state which broke along the XIV-XIV line of FIG. 13 in the assembly of the unit room for a water supply equipment. It is a perspective view for demonstrating the assembly procedure of the unit room for water-related equipment. It is a perspective view for demonstrating the assembly procedure of the unit room for water-related equipment. It is an enlarged cross-sectional view which shows typically the connection part of the floor material and the wall material in the assembly of the unit room for water supply equipment. It is sectional drawing which shows typically the behavior of the 1st adhesive layer at the time of re-adhesion of a wall material once adhered to a floor material in assembly of a unit room for water-related equipment.
  • FIG. 5 is an enlarged cross-sectional view schematically showing a connecting portion between a floor material and a wall material in assembling a unit room for water supply equipment according to a second embodiment of the present invention. It is sectional drawing of the floor material in the unit room for water supply equipment by the 3rd Embodiment of this invention. It is an enlarged view of the joint part in the state where the floor material and the wall material are joined in the unit room for water supply equipment according to the third embodiment of the present invention.
  • FIG. 5 is an enlarged cross-sectional view schematically showing a connecting portion between a floor material and a wall material in assembling a unit room for water supply equipment according to a second embodiment of the present invention. It is sectional drawing of the floor material in the unit room for water supply equipment by the 3rd Embodiment of this invention. It is an enlarged view of the joint part in the state where the floor material and the wall material are joined in the unit room for water supply equipment according to the third embodiment of the present invention.
  • FIG. 5 is an enlarged cross-sectional view schematically showing a connecting portion between a floor material and a wall material in assembling a unit room for water supply equipment according to a third embodiment of the present invention. It is sectional drawing of the floor material in the unit room for water supply equipment by 4th Embodiment of this invention.
  • FIG. 5 is an enlarged cross-sectional view schematically showing a connecting portion between a floor material and a wall material in assembling a unit room for water supply equipment according to a fourth embodiment of the present invention. It is sectional drawing which shows typically the behavior of the 1st adhesive layer at the time of re-adhesion of the wall material once adhered to the floor material in the assembly of the unit room for water-related equipment according to 4th Embodiment of this invention.
  • FIG. 1 is a perspective view schematically showing a unit room for water supply equipment according to the first embodiment of the present invention.
  • the unit room 1 for water supply equipment includes a floor material 2, a plurality of wall materials 4, a frame 6, and a ceiling material 8.
  • the unit room 1 for water supply equipment is a unit bath further including a bathtub 10.
  • the unit room 1 for water supply equipment may be a shower room not provided with a bathtub 10.
  • the unit room 1 for water supply equipment has a substantially rectangular parallelepiped box shape.
  • the floor material 2, the wall material 4, the frame 6, and the ceiling material 8 are all building materials that form the unit room 1 for the water supply equipment, and by assembling these building materials, the unit room 1 for the water supply equipment can be formed. It is composed.
  • the floor material 2 is a member that constitutes the lower surface of the unit room 1 for water supply equipment.
  • the floor material 2 is installed on a bathroom installation surface (for example, the floor of a building) via a plurality of support legs 12 having a height-adjustable structure. Since the unit room 1 for water supply equipment shown in FIG. 1 is provided with a bathtub 10, the floor material 2 is provided on the lower surface of the unit room 1 for water supply equipment where the bathtub 10 is not provided. Has been done. In the case of the unit room 1 for water supply equipment in which the bathtub 10 is not provided, the floor material is provided on the entire lower surface of the water supply unit room 1.
  • the plurality of wall materials 4 are panel-shaped members provided on the outer peripheral edge 2a of the floor material 2 and the outer peripheral edge 10a of the bathtub 10, respectively, and constitute four side surfaces of the unit room 1 for water supply equipment. There is. Further, the wall material 4 and the floor material 2 and the wall material 4 and the bathtub 10 are watertightly joined. In the present embodiment, each side surface of the unit room 1 for water supply equipment is composed of a plurality of wall materials 4, but one side surface may be composed of one wall material. Further, a door frame (not shown) is attached to one place on the side surface of the unit room for water supply equipment 1, and the unit room for water supply equipment is passed through a door (not shown) attached to the door frame. You can go in and out of 1.
  • the frame 6 and the frame 36 are frame materials attached so as to rise from the outer peripheral edge 2a of the floor material 2 and the outer peripheral edge 10a of the bathtub 10, and are formed in a columnar shape.
  • Each frame is provided between adjacent wall materials 4 and is configured to connect the adjacent wall materials 4 to each other. That is, the frame 6 is arranged between two wall materials 4 arranged in a straight line in the unit room 1 for water supply equipment, and the adjacent wall materials 4 via the frames 6 are each watertight. Is joined to. Further, the frame 36 is arranged at a corner of the unit room 1 for water supply equipment between two wall materials 4 arranged so as to form a right angle, and these wall materials 4 are watertightly joined. Let me.
  • the ceiling material 8 is a panel-shaped member provided on each of the frames 6 and 36 and on each wall material 4, and constitutes the upper surface of the unit room 1 for water supply equipment. That is, the ceiling surface of the unit room 1 for water supply equipment is formed by joining the outer peripheral edge of the ceiling material 8 and the upper edge of each wall material 4. In the present embodiment, the ceiling surface of the unit room 1 for water supply equipment is formed by two ceiling materials 8, but the ceiling surface can also be formed by one ceiling material 8.
  • the bathtub 10 is a member in which a substantially rectangular parallelepiped bathtub is formed by integral molding, and is installed on a bathroom installation surface (for example, the floor of a building) via support legs 12.
  • the bathtub 10 is installed on one side of the unit room 1 for water supply equipment, and the outer edge of the bathtub 10 is one side wall surface of the unit room 1 for water supply equipment and the side wall surfaces on both sides thereof. Arranged so that it touches about half. Further, at the boundary between the bathtub 10 and the floor material 2, a bath apron 10b that covers the side surface of the bathtub 10 on the floor material 2 side is provided.
  • the outer edge of the bathtub 10 and the wall material 4 arranged along the outer edge of the bathtub 10 and the bath apron 10b and the wall material 4 are also watertightly joined.
  • the bath apron 10b may not be provided.
  • FIG. 2 is a perspective view schematically showing the floor material 2 used in the unit room 1 for water supply equipment.
  • FIG. 3 is a cross-sectional view of the floor material 2 along the line III-III of FIG.
  • FIG. 4 is a perspective view schematically showing the lower end portion of the frame 6 used in the unit room 1 for water supply equipment.
  • FIG. 5 is a side view schematically showing the lower end portion of the frame 6 used in the unit room 1 for water supply equipment.
  • FIG. 6 is a perspective view schematically showing a ceiling material 8 used in the unit room 1 for water supply equipment.
  • FIG. 7 is a cross-sectional view of the ceiling material 8 used in the unit room 1 for water supply equipment along the lines VII-VII of FIG.
  • the floor material 2 has a floor material main body 14 and a first adhesive layer 16 which is a watertight adhesive layer provided on the outer peripheral edge 2a of the floor material 2. ..
  • the floor material main body 14 has a floor surface 14a and a groove portion 18.
  • the floor surface 14a is a portion that is exposed in the space surrounded by each wall material 4 and is actually used as a washing place by the user.
  • the groove portion 18 is provided along the outer edge of the floor surface 14a. In other words, the groove portion 18 is provided on the outer peripheral edge of the floor material main body 14. Further, in the present embodiment, the groove portion 18 is provided so as to be along the entire three sides (outer peripheral edges) of the floor surface 14a that are not adjacent to the bathtub 10.
  • the groove portion 18 has a first inner side surface 18a, a second inner side surface 18b, and an inner bottom surface 18c.
  • the inner bottom surface 18c is recessed below the floor surface 14a.
  • the first inner side surface 18a is provided on one end side of the inner bottom surface 18c on the floor surface 14a side.
  • the first inner side surface 18a extends upward from the inner bottom surface 18c toward the floor surface 14a.
  • the first inner side surface 18a connects one end of the inner bottom surface 18c and one end of the floor surface 14a.
  • the second inner side surface 18b is provided on the other end side of the inner bottom surface 18c.
  • the second inner side surface 18b extends upward from the other end of the inner bottom surface.
  • the first pressure-sensitive adhesive layer 16 is provided on the outer peripheral edge of the floor material main body 14, and in the present embodiment, the first pressure-sensitive adhesive layer 16 is placed on the inner bottom surface 18c of the groove portion 18 and upward from the groove portion 18. It is provided so that it does not protrude. Further, in the present embodiment, the first pressure-sensitive adhesive layer 16 is continuous with, for example, along the groove portion 18 over the entire three sides (outer edges) of the floor surface 14a that are not adjacent to the bathtub 10. It is provided. The first adhesive layer 16 is provided so as to be located between the floor material main body 14 and the wall material 4 when assembling the unit room 1 for water supply equipment. As a modification, as shown in FIG. 3B, the first adhesive layer may be composed of two layers, a strong adhesive layer 16a and a weak adhesive layer 16b. The properties of the first pressure-sensitive adhesive layer and the forming method will be described later.
  • the frame 6 which is a frame material is provided with a frame main body 20 and a watertight adhesive provided on the side surface of the frame main body 20 (the surface facing the inside of the unit room 1 for water supply equipment). It has a second pressure-sensitive adhesive layer 22 which is a layer.
  • the frame body 20 has a first joiner 20a and a second joiner 20b.
  • the first joiner 20a is made of metal and the second joiner 20b is made of resin.
  • the first joiner 20a is an elongated member having a generally gate-shaped cross section, is formed by bending a thin plate, and is attached so that the open side surface of the gate shape faces the inside of the unit room 1 for water supply equipment (FIG. 19). ). Further, in the first joiner 20a, the legs on both sides of the gantry cross section are folded inward.
  • the second joiner 20b is an elongated member having a shallow gantry cross section, and is attached so that the open side surface of the gantry faces the inside of the unit room 1 for water supply equipment. The second joiner 20b is attached to the inside of the hollow structure of the first joiner 20a. As shown in FIG.
  • the lower end portion of the second joiner 20b projects downward from the lower end portion of the first joiner 20a.
  • the lower end of the joiner is not limited to the lower surface of the joiner, and includes, for example, the surface of the joiner in a region within 30 mm above the lower surface of the joiner.
  • the frame 36 which is a frame material arranged at the corner of the unit room 1 for water supply equipment, has a shape different from that of the frame 6 arranged at the side (FIG. 20).
  • the frame 36 is also composed of a first metal joiner 36a and a second resin joiner 36b, and a second adhesive layer 22 is arranged inside the second joiner 36b.
  • the first joiner 36a is formed by bending a thin metal plate, and has a substantially hexagonal cross section so that the second joiner 36b can be arranged so as to face the corner portion of the unit room 1 for water supply equipment.
  • the second joiner 36b is an elongated member having a shallow gantry cross section, and is attached so that the open side surface of the gantry faces the inside of the unit room 1 for water supply equipment.
  • the second adhesive layer 22 is provided on the side surface of the frame main body 20, and the second adhesive layer 22 is provided inside the hollow structure of the second joiner 20b.
  • the second pressure-sensitive adhesive layer 22 is continuously provided along the second joiner 20b in the entire hollow structure of the second joiner 20b in the vertical direction. As shown in FIG. 5, the lower end portion 22a of the second adhesive layer 22 projects downward from the lower end portion (lower end portion of the frame main body 20) of the second joiner 20b. Similarly, the upper end portion (not shown) of the second pressure-sensitive adhesive layer 22 protrudes upward from the upper end portion of the second joiner 20b (upper end portion of the frame body 20: not shown).
  • the second pressure-sensitive adhesive layer 22 is provided on the side surface of the frame body, and the second pressure-sensitive adhesive layer 22 is provided inside the hollow structure of the second joiner 32b.
  • the properties and forming method of the second pressure-sensitive adhesive layer 22 will be described later.
  • the frames 6 and 36 may be composed of only the first joiners 20a and 36a.
  • the ceiling material 8 has a ceiling material main body 24 and a third adhesive layer 26 which is a watertight adhesive layer provided on the outer peripheral edge of the ceiling material main body 24.
  • the ceiling material 8 is formed of two ceiling material main bodies 24, and a third adhesive layer 26 is provided on three sides of these ceiling material main bodies 24 to be joined to the wall material 4. There is.
  • a connecting member 28 is attached to the peripheral edge of the ceiling material main body 24.
  • the connecting member 28 is provided with a first receiving portion 28a and a second receiving portion 28b, and the first receiving portion 28a is a recess recessed in the front-rear direction or the left-right direction, and is a peripheral end portion of the ceiling material main body 24. Is configured to accept and fit.
  • the second receiving portion 28b is a recess formed so as to open downward, and is configured to receive and fit the upper end portion of the wall material 4 and the upper end portion of the frame 6.
  • the third adhesive layer 26 is provided on the outer peripheral edge of the ceiling material main body 24.
  • the third pressure-sensitive adhesive layer 26 is provided on the downwardly facing surface of the second receiving portion 28b.
  • the third adhesive layer 26 is continuously provided on the entire upper surface of the second receiving portion 28b along the outer peripheral edge of the ceiling material main body 24.
  • the third adhesive layer 26 is provided so as to be located between the ceiling material main body 24 and the wall material 4 and between the ceiling material main body 24 and the frame 6 when assembling the unit room 1 for water supply equipment. Be done.
  • the ceiling material 8 is provided with the third adhesive layer 26, but the third adhesive layer 26 is provided as needed and can be omitted.
  • the ceiling material 8 may be provided with another watertight member such as packing.
  • FIG. 8 is a flowchart showing a method of manufacturing the unit room for water supply equipment of the present embodiment.
  • FIG. 9 is an explanatory diagram schematically showing each step of the method for manufacturing the unit room for water supply equipment of the present embodiment.
  • FIG. 10 is an explanatory diagram schematically showing a procedure for forming and protecting an adhesive layer in the method for manufacturing a unit room for water supply equipment according to the present embodiment.
  • the floor material 2, the wall material 4, the frame 6, the building material such as the ceiling material 8 and the bathtub 10 constituting the unit room described above are used. Is manufactured at the manufacturing plant.
  • the manufactured building materials and the like are transported to a construction site such as a house, and the building materials and the like are assembled at the construction site to complete a unit room for water supply equipment.
  • step S1 of the flowchart shown in FIG. 8 building materials such as floor material 2, wall material 4, frame 6, and ceiling material 8 are assembled as a building material preparation step.
  • the floor material 2 is assembled and prepared by attaching the floor surface 14a or the like to the floor material main body 14.
  • step S2 as a watertight adhesive layer forming step, a heated and liquefied pressure-sensitive adhesive is applied in a continuous linear manner to the joint portion of the building material to be joined with another building material, and the joint portion of the building material is applied.
  • a watertight adhesive layer is formed on the surface.
  • the pressure-sensitive adhesive is applied by using a robot arm to continuously push out a nozzle that continuously pushes out the liquefied pressure-sensitive adhesive in the manufacturing factory along the joint portion of the building material. It is executed by moving. That is, it is shown in the column (B) of FIG.
  • the first pressure-sensitive adhesive layer 16 which is a watertight pressure-sensitive adhesive layer is formed.
  • the adhesive is continuously and linearly applied to the corners of the building material such as the floor material 2. That is, since the first adhesive layer 16 is formed by continuously applying the adhesive along a plurality of sides sandwiching the corners of the floor material, it is a continuous watertight adhesive layer having no seams even at the corners. Is formed as.
  • a heated and liquefied adhesive is applied to the groove portion 18 which is the joint portion of the floor material 2 which is the first building material.
  • the first pressure-sensitive adhesive layer 16 is formed (FIG. 3). At this time, the first pressure-sensitive adhesive layer 16 is applied so as not to protrude from the groove portion 18.
  • the lower end of the joint portion of the wall material 4 which is the second building material is formed on the first adhesive layer 16 provided in the groove portion 18 of the floor material 2. It is adhered and the floor material 2 and the wall material 4 are joined.
  • a heated and liquefied pressure-sensitive adhesive is applied to the inside of the second joiner 20b of the frame 6 in a continuous linear manner, whereby the second joiner 20b, which is a joint portion, is provided with a watertight adhesive layer.
  • the second pressure-sensitive adhesive layer 22 is formed.
  • the frame 6 on which the second adhesive layer 22 is formed acts as the first building material
  • the wall material 4 joined to the frame 6 acts as the second building material. ..
  • the second pressure-sensitive adhesive layer 22 is formed on the frame 36 as well.
  • the pressure-sensitive adhesive liquefied by heating is continuously and linearly applied to the inside of the second receiving portion 28b of the ceiling material 8, whereby the watertight adhesive layer is applied to the second receiving portion 28b which is the joint portion.
  • the third pressure-sensitive adhesive layer 26 is formed.
  • the ceiling material 8 on which the third adhesive layer 26 is formed acts as the first building material
  • the wall material 4 joined to the ceiling material 8 acts as the second building material. ..
  • step S3 as a curing step, the temperature of each pressure-sensitive adhesive layer formed in the watertight adhesive layer forming step of step S2 is lowered to room temperature, for example, about 20 to 25 ° C.
  • room temperature for example, about 20 to 25 ° C.
  • each pressure-sensitive adhesive layer becomes elastic and shape-restorable, and the morphology of the pressure-sensitive adhesive layer is stabilized.
  • the time required for the liquefied adhesive applied to the building material such as the floor material 2 to drop to room temperature is relatively short. Therefore, as shown in the column (C) of FIG. 9, the building material such as the floor material 2 to which the adhesive has been applied is adhered during the storage period until it is sent to the next process in the manufacturing factory or during the transportation period.
  • the temperature of the agent layer drops to room temperature. Therefore, in the present embodiment, the storage period and the transport period of the building material after the watertight adhesive layer forming step function as the curing step.
  • the pressure-sensitive adhesive layer which is a water-tight adhesive layer formed by the watertight adhesive layer forming step and the curing step.
  • the first pressure-sensitive adhesive layer 16 formed by the watertight pressure-sensitive adhesive layer forming step and the curing step is adhered to the floor material 2 coated with the heated pressure-sensitive adhesive, and when it comes into contact with the wall material 4 during assembly, It also adheres to these building materials.
  • the second pressure-sensitive adhesive layer 22 and the third pressure-sensitive adhesive layer 26 are also adhered to the frames 6, 36 and the ceiling material 8, respectively, and are also adhered to the wall material 4 at the time of assembly.
  • adheresion is a phenomenon that is generally seen in high-viscosity liquids, and it sticks tightly by applying a slight pressure for a short time without changing the state, and closes or fills the gap (exhibits sealing property). ) It is a phenomenon.
  • the pressure-sensitive adhesive is also called a pressure-sensitive adhesive.
  • the adhesive is, for example, a material that does not completely dry even after a lapse of time and always has adhesiveness. It is completely different from the so-called adhesive that is lost (adhesiveness approaches zero infinitely).
  • silicone caulking agents used for general bathroom seals are classified as adhesives because they lose their adhesiveness in a dry (cured) state.
  • first, second, and third adhesive layers formed through the watertight adhesive layer forming step and the curing step have elasticity and shape restoration property. That is, having elasticity and shape restoration means that the compression set after each pressure-sensitive adhesive layer is compression-deformed and the load is removed is, for example, 20% or less (JIS K 6254: 2016).
  • the compression set of each pressure-sensitive adhesive layer may be the same as or different from each other.
  • the "compression set” is, for example, a value obtained by the following method.
  • a cylindrically shaped sample having a diameter of 27 mm and a thickness of 20 mm is prepared, and the sample is left to stand at a high temperature (about 80 ° C.) for a predetermined time in a state of being compressed to a thickness of 50% (10 mm).
  • the compression is then released and the thickness of the sample is measured.
  • the rate of change in dimensions in the thickness direction of the sample can be obtained as compression set.
  • the building materials such as the floor material 2, the wall material 4, the frame 6, and the ceiling material 8 are watertightly and re-adhesively adhered by the first, second, and third adhesive layers. ..
  • "re-adhesive" means, for example, that the floor material 2 provided with the first adhesive layer 16 and the wall material 4 are once joined via the first adhesive layer 16 and then from the floor material 2.
  • the first adhesive layer 16 remains on the floor material 2 (building material on the side where the adhesive is first applied) without being destroyed, and the first adhesive remaining on the floor material 2 remains. This means that the agent layer 16 still retains its adhesiveness.
  • the wall material 4 is reattached. It can be adhered to the floor material 2 and joined.
  • the adhesive force between the first adhesive layer 16 and the floor material 2 is the first adhesive force. It needs to be stronger than the adhesive force between the agent layer 16 and the wall material 4. Further, the tensile strength of the first pressure-sensitive adhesive layer 16 itself needs to be stronger than these adhesive strengths.
  • the adhesive liquefied by heating is applied to the floor material 2. Therefore, the adhesive force between the first adhesive layer 16 and the floor material 2 is higher than the adhesive force between the first adhesive layer 16 and the wall material 4 which is adhered after the temperature is lowered to room temperature through the curing step. Will also be stronger. Further, by forming the surface of the joint portion of the building material forming the pressure-sensitive adhesive layer, such as the groove portion 18 of the floor material 2, with a material having a relatively low melting point, the pressure-sensitive adhesive applied in a liquefied state by heating. The agent can be fused to the surface of the building material, and the adhesive force between the pressure-sensitive adhesive layer and the building material can be further strengthened.
  • the first adhesive layer 16 remains on the floor material 2 side and is re-adhesive. It will be possible.
  • the second pressure-sensitive adhesive layer 22 is formed by applying a liquefied pressure-sensitive adhesive to the frame 6. Therefore, when the wall material 4 and the frame 6 are joined via the second adhesive layer 22, when they are peeled off, the second adhesive layer 22 remains on the side of the frame 6 and can be re-adhesive. It becomes.
  • the third pressure-sensitive adhesive layer 26 is formed by applying a liquefied pressure-sensitive adhesive to the ceiling material 8.
  • the third adhesive layer 26 remains on the side of the ceiling material 8 and is regenerated. It can be adhered. Further, even when the frame 6 and the ceiling material 8 are joined via the third adhesive layer 26, when they are peeled off, the third adhesive layer 26 remains on the side of the ceiling material 8 and can be re-adhesive. It becomes.
  • the first pressure-sensitive adhesive layer 16, the second pressure-sensitive adhesive layer 22, and the third pressure-sensitive adhesive layer 26 are composed of, for example, an elastic hot melt manufactured by Aica Kogyo Co., Ltd.
  • the elastic hot melt is heated, liquefied and applied at the manufacturing plant, then cooled to form a shape, and then the installer adheres each member to each other at the site. It can be connected by the agent layer. That is, it becomes possible to connect each building material to each other by the adhesive layer at the site while suppressing the shape change of the adhesive during transportation to the site or the site. As a result, watertightness can be easily ensured at the site and workability can be improved.
  • first pressure-sensitive adhesive layer 16, the second pressure-sensitive adhesive layer 22, and the third pressure-sensitive adhesive layer 26 can also be composed of a gel (gel-like substance) having adhesiveness and elasticity.
  • the compositions of the first pressure-sensitive adhesive layer 16, the second pressure-sensitive adhesive layer 22, and the third pressure-sensitive adhesive layer 26 may be the same as or different from each other.
  • a hot melt composition containing a hydrogenated paraffin-based process oil, a high-molecular-weight styrene-based block copolymer, a polyphenylene ether resin, or a modified polyphenylene ether resin, to which a tackifier resin and an antioxidant are added is used. It is used as an adhesive.
  • the first, second, and third pressure-sensitive adhesive layers are formed by applying the pressure-sensitive adhesive to the building material in a continuous linear manner in a liquefied state by heating.
  • terpene resin terpene phenol resin, rosin and hydrogenated rosin resin, petroleum resin, hydrogenated petroleum resin and the like
  • the antioxidants include copper-based antioxidants, copper salt-based antioxidants, copper halide-based antioxidants, phosphorus-based antioxidants, phenol-based antioxidants, hindered amine-based antioxidants, and hin. It is possible to use one selected from a dartphenol-based antioxidant, a sulfur-based antioxidant, a lactone-based antioxidant, an aromatic amine, a metal inactivating agent composed of a chelating agent, and the like.
  • the tackifier resin is preferably added in an amount of about 2.5 to 30 parts by weight in 100 parts by weight of the hot melt composition, and the adhesive strength of each pressure-sensitive adhesive layer is adjusted by adjusting the content of the tackifier resin. can do.
  • the adhesive force of the pressure-sensitive adhesive layer to the first building material is increased by the wall material 4, etc. It is stronger than the adhesive strength to the second building material.
  • the pressure-sensitive adhesive layer is formed of two layers, a strong pressure-sensitive adhesive layer 16a and a weak pressure-sensitive adhesive layer 16b, and the adhesive strength to the first building material is increased to the second. It can also be stronger than the adhesive strength to building materials.
  • an adhesive for forming the strong adhesive layer 16a is applied to the first building material such as the floor material 2, and after the layer of the adhesive is cured to some extent, the weak adhesive layer 16b is placed on the layer. Apply an adhesive to form.
  • the strong adhesive layer 16a having a strong adhesive force adheres to the first building material
  • the weak adhesive layer 16b having a weak adhesive force formed on the strong adhesive layer 16a adheres to the second building material at the time of assembly. Will be done.
  • the adhesive strength to the first building material can be made stronger than the adhesive strength to the second building material. Since the adhesive force between the strong adhesive layer 16a and the weak adhesive layer 16b is stronger than the adhesive force between the strong adhesive layer 16a and the first building material, the first building material and the second building material once joined are used. Even if the building material is peeled off, the two adhesive layers are not broken. Further, the adhesive strength of the strong adhesive layer 16a and the weak adhesive layer 16b can be set by changing the amount of the tackifying resin added to the hot melt composition constituting the adhesive, respectively.
  • the pressure-sensitive adhesive layer 22 and the third pressure-sensitive adhesive layer 26 can also be composed of two layers, a strong adhesive layer and a weak adhesive layer.
  • step S4 of FIG. 8 as a watertight adhesive layer protection step, a curing tape 30 which is a cover covering the pressure-sensitive adhesive layer formed in the watertight adhesive layer forming step of step S3 is attached to the building material. That is, as shown in the column (C) of FIG. 10, the curing tape 30 is attached so as to cover the groove 18 of the floor material 2 to which the liquefied adhesive is applied. As a result, it is possible to prevent dust and the like from adhering to the surface of the first pressure-sensitive adhesive layer 16 formed in the groove portion 18 and reducing the adhesive strength of the first pressure-sensitive adhesive layer 16.
  • the curing tape 30 is attached to the frame 6 so as to cover the second adhesive layer 22 formed on the frame 6, and the ceiling material 8 covers the third adhesive layer 26 formed on the ceiling material 8.
  • the curing tape 30 is attached to the ceiling.
  • the watertight adhesive layer protection step is performed after the curing step of step S3, but in the watertight adhesive layer protection step, the temperature of the pressure-sensitive adhesive is lowered to room temperature before the curing step (that is, the temperature of the pressure-sensitive adhesive is lowered to room temperature. It may be carried out before) or in parallel with the curing step. Further, the watertight adhesive layer protection step may be executed at any time after the watertight adhesive layer forming step and before the assembly step of step S5. Alternatively, the watertight adhesive layer protection step can be omitted. Further, in the present embodiment, the curing tape 30 is used as a cover for covering the pressure-sensitive adhesive layer, but any member that can cover the pressure-sensitive adhesive layer can be used as a cover.
  • step S5 as an assembly step, the building materials in which the pressure-sensitive adhesive layer is formed at the joint portion and the joint portion of another building material are adhered to each other in a watertight and re-adhesive manner to join the building materials to each other.
  • the unit room 1 for the water supply equipment is assembled. That is, first, the floor material 2 and the frame 6 are bonded by being adhered to each other via the second adhesive layer 22.
  • the curing tape 30 attached in the watertight adhesive layer protection step of step S4 is peeled off to remove the first adhesive layer. 16 is exposed.
  • the frame 6 and the wall material 4 are adhered to each other via the second adhesive layer 22, and the floor material 2 and the wall material 4 are adhered to each other via the first adhesive layer 16. Finally, the ceiling material 8 and the wall material 4, the ceiling material 8 and the frame 6 are joined by being adhered to each other via the second adhesive layer 22, and the production of the unit room 1 for the water supply equipment is completed.
  • FIGS. 11 to 23 are perspective views for explaining an assembly procedure of the unit room 1 for water supply equipment.
  • FIG. 13 is an enlarged cross-sectional view showing a connecting portion between the floor material 2 and the frame 6 in assembling the unit room 1 for water supply equipment.
  • FIG. 14 is a perspective view showing a broken state along the line XIV-XIV of FIG. 15 and 16 are perspective views for explaining an assembly procedure of the unit room 1 for water supply equipment.
  • FIG. 17 is an enlarged cross-sectional view schematically showing a connection portion between the floor material 2 and the wall material 4 of the unit room 1 for water supply equipment.
  • FIG. 18 is a cross-sectional view schematically showing the behavior of the first pressure-sensitive adhesive layer 16 when the wall material 4 once adhered to the floor material 2 is re-adhered.
  • 19 and 20 are enlarged cross-sectional views schematically showing a connection portion between the wall material 4 and the frame 6 of the unit room 1 for water supply equipment.
  • FIG. 21 is a perspective view for explaining an assembly procedure of the unit room 1 for water supply equipment.
  • FIG. 22 is an enlarged cross-sectional view schematically showing a connection portion between the frame 6 and the ceiling material 8 of the unit room 1 for water supply equipment.
  • FIG. 23 is an enlarged cross-sectional view schematically showing a connection portion between the wall material 4 and the ceiling material 8 of the unit room 1 for water supply equipment.
  • the floor material 2 is installed on the bathroom installation surface via the support legs 12 having a height-adjustable structure.
  • the floor material 2 has a floor material main body 14 and a first adhesive layer 16 provided on the outer peripheral edge of the floor material main body 14.
  • the curing tape 30 that protects the first pressure-sensitive adhesive layer 16 of the floor material 2 is removed when the first pressure-sensitive adhesive layer 16 and other building materials are adhered to each other.
  • the bathtub 10 is installed on the bathroom installation surface via the support legs 12.
  • the first pressure-sensitive adhesive layer 16 is also provided on the outer peripheral edge 10a of the bathtub 10.
  • a bath apron 10b is attached to the boundary between the bathtub 10 and the floor material 2.
  • the frames 6 and 36 are mounted on the peripheral end of the floor material 2 and the outer peripheral edge 10a of the bathtub 10.
  • Each of the frames 6 and 36 has a frame main body 20 and a second adhesive layer 22 provided on the side surface of the frame main body 20.
  • the first pressure-sensitive adhesive layer 16 and the second pressure-sensitive adhesive layer 22 close the gap between the floor material main body 14 and the frame main body 20 to make them watertight. That is, at the portion where the first pressure-sensitive adhesive layer 16 provided on the floor material 2 and the second pressure-sensitive adhesive layer 22 provided on the frames 6 and 36 intersect, these pressure-sensitive adhesive layers are self-bonded to each other. Watertightness between is automatically ensured. On the other hand, when packing is used instead of the first pressure-sensitive adhesive layer and the second pressure-sensitive adhesive layer, watertightness cannot be ensured at the intersection between the packings, so that silicone caulking must be applied. .. As described above, in the unit room 1 for water supply equipment of the present embodiment, it is possible to omit the application of silicone caulking or the like at the assembly site.
  • the wall material 4 is attached to the floor material 2, the bathtub 10, and the frame 6.
  • the first adhesive layer 16 provided on the floor material 2 is adhered to the lower end portion of the wall material 4, and the second adhesive layer 22 provided on the frame 6 is adhered to the side end portion of the wall material 4.
  • the lower end portion of the wall material 4 is fitted into the groove portion 18 provided on the outer peripheral edge of the floor material main body 14.
  • the first adhesive layer 16 provided in the groove 18 adheres to the lower end of the wall material 4.
  • the wall material 4 is connected to the frame 6 by fitting the side end portion of the wall material 4 into the first joiner 20a of the frame 6.
  • the wall material 4 is connected to the frame 36 by fitting the side end portion of the wall material 4 into the first joiner 36a (not shown in FIG. 16) of the frame 36.
  • the first adhesive layer 16 provided on the floor material 2 comes into contact with the lower end portion of the wall material 4.
  • the upper surface of the first pressure-sensitive adhesive layer 16 is elastically deformed along the lower end surface of the wall material 4 by the load of the wall material 4, and the first pressure-sensitive adhesive layer 16 and the wall material 4 are tightly adhered to each other.
  • the first pressure-sensitive adhesive layer 16 closes the gap between the floor material main body 14 and the wall material 4 and makes it watertight.
  • FIG. 18 is a diagram schematically showing the behavior of the first pressure-sensitive adhesive layer 16 at this time.
  • the first adhesive layer 16 is elastically deformed as shown in column (B). The lower end surface of the wall material 4 and the first adhesive layer 16 are adhered without gaps.
  • the thickness of the first pressure-sensitive adhesive layer 16 changes due to elastic deformation, even if the floor material 2 and the wall material 4 are distorted, the gaps between them are filled.
  • the first adhesive layer 16 remains adhered to the wall material 4 as shown in the column (C) of FIG. It is stretched. In this way, since the floor material 2 and the wall material 4 are adhered to each other via the first adhesive layer 16, even when the floor material 2 is bent by the action of a load, the floor material 2 and the wall material 4 are adhered to each other. There is no gap between the two, and watertightness is maintained.
  • the interface between the wall material 4 and the first pressure-sensitive adhesive layer 16 is peeled off, and the first pressure-sensitive adhesive layer 16 has its shape restoration property.
  • the adhesive force between the first pressure-sensitive adhesive layer 16 and the floor material 2 is stronger than the adhesive force between the first pressure-sensitive adhesive layer 16 and the wall material 4. Therefore, when the wall material 4 is pulled up, the interface between the first pressure-sensitive adhesive layer 16 and the wall material 4 is peeled off, and the first pressure-sensitive adhesive layer 16 remains on the floor material 2.
  • the breaking strength of the first pressure-sensitive adhesive layer 16 itself is made larger than the adhesive strength of the first pressure-sensitive adhesive layer 16 and the wall material 4 and the adhesive strength of the first pressure-sensitive adhesive layer 16 and the floor material 2. Therefore, as shown in column (C) of FIG. 18, when the first pressure-sensitive adhesive layer 16 is stretched, the first pressure-sensitive adhesive layer 16 itself is not broken. Further, since the first pressure-sensitive adhesive layer 16 still retains the adhesiveness even after the wall material 4 is peeled off, the wall material 4 can be re-adhesive.
  • the first adhesive layer 16 for adhering the floor material 2 and the wall material 4 is formed on the side of the floor material 2, and the first adhesive layer is formed on the side of the wall material.
  • the workability of assembly is better than that of the case where. That is, if the first adhesive layer is formed at the lower end of the wall material, the first adhesive layer of the wall material is likely to be accidentally adhered to an unintended position of the floor material at the time of assembly, and the wall. It becomes difficult to handle the material. Further, when the wall material is peeled off from the floor material after being adhered once, if the first adhesive layer remains on the side of the wall material, it becomes difficult to handle the wall material.
  • the first adhesive layer 16 is adjacent to the wall material 4 to be peeled off. Is suppressed by. Therefore, the risk that the first pressure-sensitive adhesive layer 16 is peeled off from the floor material 2 can be further reduced.
  • the wall material 4 when the wall material 4 is arranged on the floor material 2, the side edges of the wall material 4 are adhered to and joined to the frame 6 and the frame 36 via the second adhesive layer 22, respectively. That is, the two wall materials 4 arranged side by side on one side of the floor material 2 are connected via a frame 6 provided between them. Further, the two wall materials 4 arranged adjacent to each other with the corner portion of the floor material 2 interposed therebetween are connected via a frame 36 provided between them.
  • the second adhesive layer 22 for adhering the frames 6 and 36 and the wall material 4 is formed on the side of the frames 6 and 36, and the second adhesive layer is placed on the side of the frame.
  • the workability of assembly is better than that of the formed case. That is, the frame is an elongated columnar member, and is easier to handle than the wall material 4, which is a large panel-shaped member. Therefore, even if the second pressure-sensitive adhesive layer 22 is formed on the frames 6 and 36, the workability is not significantly deteriorated. On the other hand, if the second pressure-sensitive adhesive layer is formed on the side of the wall material, it becomes difficult to handle the wall material.
  • FIG. 19 is a cross-sectional view showing a state in which two wall materials 4 arranged side by side are connected via a frame 6.
  • the wall material 4 has a base material 32 and a steel plate 34 provided inside the unit room 1 for water supply equipment with respect to the base material 32.
  • the base material 32 is formed of gypsum board or the like, and the steel plate 34 is attached to the inner surface of the base material 32 for the water supply equipment unit room 1 for reinforcement. Further, the end portions of the steel plate 34 project from the base material 32 on both the left and right sides, and a folded portion 34a to the back side is provided.
  • the folded portions 34a are butted against each other, and these folded portions 34a are received inside the frame 6.
  • each folded portion 34a of the two wall materials 4 is fitted into the first joiner 20a so as to push the first joiner 20a of the frame 6 apart.
  • the tip of each of the fitted folded-back portions 34a faces the second joiner 20b arranged inside the first joiner 20a and comes into contact with the second adhesive layer 22 provided inside the second joiner 20b.
  • the second pressure-sensitive adhesive layer 22 is elastically deformed, the tip of each folded-back portion 34a and the second pressure-sensitive adhesive layer 22 are adhered without gaps, and each wall material 4 and the second pressure-sensitive adhesive layer 22 are watertight. Be joined.
  • FIG. 20 is a cross-sectional view showing a state in which two wall materials 4 arranged adjacent to each other with a corner portion of the unit room 1 for water supply equipment connected to each other via a frame 36.
  • the wall material 4 has a base material 32 and a steel plate 34 attached to the base material 32, and a folded portion 34a is provided at an end portion of the steel plate 34.
  • the shape of the folded-back portion 34a is the same as that shown in FIG. 19 in which the wall members 4 are joined side by side in a straight line.
  • the frame arranged at the corner of the unit room 1 for water supply equipment is a frame 36 for a corner having a shape different from that shown in FIG.
  • the frame 36 for this corner is also composed of a first joiner 36a and a second joiner 20b provided inside the first joiner 36a, and a second adhesive which is a watertight adhesive layer inside the second joiner 36b.
  • the layer 22 is adhered.
  • the second joiner 36b is directed so as to face the corner portion of the unit room 1 for water supply equipment, and a second adhesive layer 22 is provided inside the second joiner 36b so as to face the corner portion.
  • each wall material 4 is fitted into the first joiner 36a, and the fitted folded-back portion 34a is brought into contact with the second adhesive layer 22 and adhered to each wall material 4 and the second adhesive layer. Watertightness is ensured with 22.
  • the surface of the folded portion 34a bent at a right angle to the surface of the steel plate 34 comes into contact with the second adhesive layer 22, and is between this surface and the second adhesive layer 22. Watertightness is ensured.
  • the ceiling material 8 is attached on the frames 6 and 36 and on the wall material 4.
  • the ceiling material 8 has a ceiling material main body 24 and a third adhesive layer 26 provided on the outer peripheral edge of the ceiling material main body 24.
  • the upper end portion of the second adhesive layer 22 provided on the frames 6 and 36 is adhered to the third adhesive layer 26 provided on the ceiling material 8, and the third adhesive layer 26 is attached.
  • the gap between the ceiling material main body 24 and the frame main body 20 is closed and watertightened by the second pressure-sensitive adhesive layer 22 and the third pressure-sensitive adhesive layer 26.
  • the third adhesive layer 26 closes the gap between the ceiling material main body 24 and the upper end portion of the wall material 4 and makes it watertight.
  • the ceiling material 8 when the ceiling material 8 is mounted on the frame 6, the upper end portion of the frame 6 is received by the second receiving portion 28b of the connecting member 28 attached to the ceiling material main body 24. Be done. In this state, the upper end portion of the second adhesive layer 22 provided on the frame 6 adheres to the third adhesive layer 26 provided on the ceiling material 8.
  • the gap between the ceiling material main body 24 and the frame main body 20 is closed and watertightened by the second pressure-sensitive adhesive layer 22 and the third pressure-sensitive adhesive layer 26. At this time, at least a part of the frame main body 20 may be in contact with the ceiling material 8.
  • the third adhesive layer 26 provided on the ceiling material 8 adheres to the upper end portion of the wall material 4. That is, in the state where the ceiling material 8 is mounted on the wall material 4, the upper end portion of the wall material 4 is received by the second receiving portion 28b of the connecting member 28 attached to the ceiling material main body 24. The gap between the ceiling material 8 and the upper end of the wall material 4 is closed and watertightened by the third adhesive layer 26. By attaching the ceiling material 8 in this way, the assembly of the unit room 1 for the water supply equipment is completed.
  • the floor is formed by the first adhesive layer 16 which is a watertight adhesive layer formed at the joint portion of the floor material 2 which is the first building material. Since the material 2 and the wall material 4 which is the second building material are watertightly joined, the watertightness between the building materials can be reliably managed without depending on the construction at the assembly site. Further, since the floor material 2 and the wall material 4 are adhered to each other by the first adhesive layer 16 (FIG. 17), watertightness is ensured only by contacting the joint portion between the first adhesive layer 16 and the wall material 4. Therefore, it is not necessary to give the first pressure-sensitive adhesive layer 16 a large crushing allowance. Therefore, watertightness can be reliably ensured.
  • the first adhesive layer 16 which is a watertight adhesive layer formed at the joint portion of the floor material 2 which is the first building material. Since the material 2 and the wall material 4 which is the second building material are watertightly joined, the watertightness between the building materials can be reliably managed without depending on the construction at the assembly site. Further, since
  • the joint portion between the first adhesive layer 16 and the wall material 4 is watertightly and re-adhesively adhered, so that the unit room for water supply equipment is adhered.
  • the wall material 4 once adhered can be peeled off from the first adhesive layer 16 to adjust the position. That is, the first adhesive layer 16 formed at the joint portion of the floor material 2 is first adhered even when the joint portion between the floor material 2 and the wall material 4 is peeled off after being adhered to the joint portion of the wall material 4.
  • the agent layer 16 remains on the floor material 2 side without being destroyed and can be adhered again (columns (C) and (D) in FIG. 18). Therefore, when assembling the unit room 1 for water supply equipment, the position of the building material can be adjusted even after the floor material 2 and the wall material 4 are once adhered to each other.
  • the adhesive strength between the first adhesive layer 16 and the floor material 2 is the adhesion between the first adhesive layer 16 and the wall material 4. It is set stronger than the force. Therefore, when the floor material 2 and the wall material 4 once joined are peeled off, the first adhesive layer 16 can be surely left on the side of the floor material 2, and is sufficiently watertight even when re-adhesive is performed. Sex can be ensured.
  • the floor material 2 and the wall material 4 are watertightly bonded by the first adhesive layer 16 (FIG. 17).
  • the joint portion between the floor material 2 and the wall material 4 is the part where water is most easily applied and high watertightness is required.
  • the watertightness of the unit room for water supply equipment can be reliably ensured by joining the floor material 2 and the wall material 4 with the first adhesive layer 16. ..
  • the wall material 4 is once adhered and the wall material 4 is peeled off from the floor material. Even in this case, the first pressure-sensitive adhesive layer 16 does not remain on the side of the wall material 4. Therefore, the wall material 4 peeled off from the floor material 2 does not stick to the unintended building material, and the workability of assembling the unit room 1 for the water supply equipment can be improved. Further, since a plurality of wall materials 4 are adhered on the continuous first adhesive layer 16 formed on the floor material 2, one wall material 4 is used as the first adhesive layer 16 of the floor material 2.
  • the first pressure-sensitive adhesive layer 16 is suppressed by the weight of another adjacent wall material 4 when it is attempted to be peeled off from the surface. Therefore, when the wall material 4 is peeled off from the floor material 2, the risk that the first adhesive layer 16 is peeled off from the floor material 2 can be further reduced.
  • the second adhesive layer 22 is formed on the frames 6 and 36 sides, which are the frame materials (FIG. 14), so that the wall material 4 side. It is easier to handle the building material than when the second adhesive layer 22 is formed on the surface, and the workability of assembling the unit room 1 for water supply equipment can be improved.
  • the curing tape 30 which is a cover for covering the first adhesive layer 16 is attached to the floor material 2 (column (C) in FIG. 10). It is possible to prevent dust or the like from adhering to the surface of the first pressure-sensitive adhesive layer 16 to reduce the adhesiveness, or to prevent the first pressure-sensitive adhesive layer 16 from being accidentally deformed before the morphology becomes stable. it can.
  • the first adhesive layer 16 is provided in the groove 18 of the floor material 2 so as not to protrude from the groove 18 (FIG. 3). Therefore, it is possible to prevent the watertight adhesive layer from being accidentally damaged during transportation of the floor material 2.
  • the watertight adhesive layer is formed at the joint portion of the floor material 2 which is the first building material in the watertight adhesive layer forming step (step S2 in FIG. 8).
  • the first pressure-sensitive adhesive layer 16 is formed in advance, and the floor material 2 and the wall material 4, which is the second building material, are watertightly joined by the first pressure-sensitive adhesive layer 16, so that the watertightness between the building materials is ensured. Can be managed. Further, since the floor material 2 and the wall material 4 are adhered to each other by the first adhesive layer 16, watertightness can be ensured only by contacting the joint portion between the first adhesive layer 16 and the wall material 4. It is not necessary for the first pressure-sensitive adhesive layer 16 to have a large crushing allowance. Therefore, watertightness can be reliably ensured.
  • the joint portion between the first adhesive layer 16 and the wall material 4 is watertightly and re-adhesively adhered, so that it is used for water-related equipment.
  • the wall material 4 once adhered can be peeled off from the first adhesive layer 16 to adjust the position. That is, the first pressure-sensitive adhesive layer 16 formed at the joint portion of the floor material 2 by applying the liquefied pressure-sensitive adhesive is strongly adhered to the floor material 2 and after the curing step (step S3 in FIG. 8). It is more strongly adhered than the bonded portion of the adhered wall material 4.
  • the first pressure-sensitive adhesive layer 16 is adhered to the joint portion of the wall material 4 and then the joint between the floor material 2 and the wall material 4 is peeled off, the first pressure-sensitive adhesive layer 16 is not destroyed. It remains on the side of the floor material 2 and can be adhered again.
  • the joint portion between the frame 6 which is the first building material and the wall material 4 which is the second building material is also watertightly and re-adhesively adhered by the second adhesive layer 22.
  • the joint portion between the ceiling material 8 which is the first building material and the wall material 4 which is the second building material is also watertightly and re-adhesively adhered by the third adhesive layer 26.
  • the watertight adhesive layer forming step (step S2 in FIG. 8) is executed at the manufacturing factory of the unit room 1 for water supply equipment.
  • the first to third adhesive layers can be formed on the floor material 2, the frame 6, and the ceiling material 8 under sufficient quality control, and watertightness can be reliably ensured.
  • the curing tape 30 which is a cover covering each adhesive layer is the floor material 2 and the like. Attached to. For this reason, dust or the like adheres to the surface of the pressure-sensitive adhesive layer formed in the watertight adhesive layer forming step to reduce the adhesiveness, or the pressure-sensitive adhesive layer before the morphology becomes stable may be erroneously deformed. Can be prevented.
  • the adhesive is applied to the groove 18 of the floor material 2 so as not to protrude from the groove 18 (FIG. 3). It is possible to prevent the first pressure-sensitive adhesive layer 16 from being accidentally damaged during transportation of the material 2.
  • FIG. 24 is an enlarged cross-sectional view showing the end portion of the floor material of the unit room for water supply equipment according to the second embodiment of the present invention.
  • the floor material main body 14 has a floor surface 14a and a groove portion 118, and a support member 119 is mounted in the groove portion 118.
  • the support member 119 is an elongated and thin resin member mounted in the groove 118 along the groove 118.
  • the support member 119 has a bottom surface portion arranged on the inner bottom surface 118c of the groove portion 118, and side surface portions extending upward from both ends of the bottom surface portion.
  • a recess 119a that opens toward the surface is formed.
  • the bottom surface portion of the support member 119 is adhered to the inner bottom surface 118c of the groove portion 118, and the first pressure-sensitive adhesive layer 16 is formed inside the recess 119a.
  • the first pressure-sensitive adhesive layer 16 is formed so as not to project upward from the groove 118 that receives the support member 119.
  • the lower end portion of the wall material 4 is inserted into the groove portion 118, and the lower end portion of the inserted wall material 4 is received in the recess 119a of the support member 119. .. Since the first adhesive layer 16 is formed in the recess 119a of the support member 119, the lower end of the wall material 4 and the first adhesive layer 16 are adhered to each other, and the floor material 2 and the wall material 4 are joined. .. Therefore, the support member 119 constitutes a joint portion of the floor material 2.
  • the same manufacturing method as that of the first embodiment described above is adopted, but in the watertight adhesive layer forming step, a resin obtained by attaching a heated and liquefied pressure-sensitive adhesive to the floor material 2. It is applied to the support member 119 (FIG. 24) made of. Therefore, the bonding force between the first pressure-sensitive adhesive layer 16 and the floor material 2 (support member 119) is lowered to room temperature through the curing step, and then the first pressure-sensitive adhesive layer 16 and the wall material are adhered to each other. It becomes stronger than the adhesive strength between 4.
  • FIG. 25 is an enlarged cross-sectional view schematically showing a connection portion between the floor material 2 and the wall material 4 of the water supply equipment unit room of the present embodiment.
  • the first adhesive layer 16 provided on the support member 119 in the groove 118 comes into contact with the lower end of the wall material 4. ..
  • the upper surface of the first pressure-sensitive adhesive layer 16 is elastically deformed along the lower end surface of the wall material 4 by the load of the wall material 4, and the first pressure-sensitive adhesive layer 16 and the wall material 4 are adhered to each other.
  • the first pressure-sensitive adhesive layer 16 closes the gap between the floor material main body 14 and the wall material 4 and makes it watertight.
  • the floor material 2 is formed by the first pressure-sensitive adhesive layer 16 formed on the support member 119 which is the joint portion of the floor material 2 which is the first building material.
  • the wall material 4 are watertightly joined, so that the watertightness of the building materials can be reliably managed without depending on the construction at the assembly site. Further, since the floor material 2 and the wall material 4 are adhered to each other by the first adhesive layer 16, watertightness can be ensured only by contacting the joint portion between the first adhesive layer 16 and the wall material 4. It is not necessary for the first pressure-sensitive adhesive layer 16 to have a large crushing allowance. Therefore, watertightness can be reliably ensured.
  • the joint portion between the first adhesive layer 16 and the wall material 4 is watertightly and re-adhesively adhered, so that the unit room for water supply equipment is adhered.
  • the wall material 4 once adhered can be peeled off from the water first pressure-sensitive adhesive layer 16 to adjust the position. That is, the first adhesive layer 16 formed at the joint portion of the floor material 2 is first adhered even when the joint portion between the floor material 2 and the wall material 4 is peeled off after being adhered to the joint portion of the wall material 4.
  • the agent layer 16 remains on the floor material 2 side without being destroyed and can be adhered again. Therefore, when assembling the unit room for water supply equipment, the position of the building material can be adjusted even after the floor material 2 and the wall material 4 are once adhered to each other.
  • the first adhesive layer 16 is fused with the support member 119 of the floor material 2, the first adhesive layer 16 is the floor material 2 joint portion. It is firmly joined to the support member 119. As a result, when the first adhesive layer 16 is once adhered to the joint portion of the building material of the wall material 4 and then the joint between the floor material 2 and the wall material 4 is peeled off, the entire first adhesive layer 16 is surely adhered. It can be left on the side of the floor material 2.
  • the joint portion of the floor material 2 is composed of the support member 119 attached to the floor material main body 14 which is the building material main body portion, the floor material main body
  • the material of 14 and the material of the support member 119 constituting the joint can be freely selected, and the first pressure-sensitive adhesive layer 16 can be more firmly bonded to the joint of the floor material 2.
  • the curing tape 30 (FIG. 10) which is a cover covering the first adhesive layer 16 is attached to the floor material 2, the first adhesive layer It is possible to prevent dust or the like from adhering to the surface of 16 to reduce the adhesiveness, or to prevent the first adhesive layer 16 before the morphology is stabilized from being erroneously deformed.
  • the first adhesive layer 16 is provided in the groove 118 of the floor material 2 so as not to protrude from the groove 118, so that the floor material 2 is provided. It is possible to prevent the watertight adhesive layer from being accidentally damaged during transportation.
  • FIG. 26A is an enlarged cross-sectional view showing an end portion of a floor material of a unit room for water supply equipment according to a third embodiment of the present invention.
  • FIG. 26B is an enlarged cross-sectional view showing a joint portion in a state where the floor material 2 and the wall material 4 are joined in the unit room for water supply equipment.
  • the groove portion 218, which is a wall-mounted recess, has a first inner side surface 218a, a second inner side surface 218b, and an inner bottom surface 218c.
  • the inner bottom surface 218c is recessed below the floor surface 14a.
  • the first inner side surface 218a is provided on one end side of the inner bottom surface 218c on the floor surface 14a side.
  • the first inner side surface 218a extends upward from the inner bottom surface 218c toward the floor surface 14a.
  • the first inner side surface 218a connects one end of the inner bottom surface 218c and one end of the floor surface 14a.
  • the second inner side surface 218b is provided on the other end side of the inner bottom surface 218c.
  • the second inner side surface 218b extends upward from the other end of the inner bottom surface 218c.
  • the first pressure-sensitive adhesive layer 16 is provided on the outer peripheral edge of the floor material main body 14, and in the present embodiment, the first pressure-sensitive adhesive layer 16 is placed on the inner bottom surface 218c of the groove portion 218 and upward from the groove portion 218. It is provided so that it does not protrude. Further, in the present embodiment, the first pressure-sensitive adhesive layer 16 is continuous with, for example, along the groove 218, over the entire three sides (outer edges) of the floor surface 14a that are not adjacent to the bathtub 10. It is provided. The first adhesive layer 16 is provided so as to be located between the floor material main body 14 and the wall material 4 when assembling the unit room for water supply equipment.
  • an uneven portion 218d is provided on the inner bottom surface 218c of the groove portion 218, that is, the surface on which the first adhesive layer 16 is formed at the joint portion of the floor material main body 14.
  • the contact area A1 is set to be larger than the contact area A2, which is the second contact area between the lower end surface 4a, which is the joint portion of the wall material 4, and the first adhesive layer 16 (A1> A2).
  • the contact area A1 between the inner bottom surface 218c of the groove portion 218 and the first adhesive layer 16 is the contact between the lower end surface 4a of the wall material 4 and the first adhesive layer 16. It is larger than the area A2.
  • the uneven portion 218d of the inner bottom surface 218c of the groove portion 218 is processed into an uneven shape so that the surface roughness is rougher than the lower end surface 4a of the wall material 4. It is not limited to such a form, but can be applied to other forms.
  • the uneven portion may have a wedge shape, or an etching treatment or a coating treatment for roughening the surface of the inner bottom surface 218c of the groove portion 218 may be performed. It may be adopted.
  • FIG. 27 is an enlarged cross-sectional view schematically showing a connection portion between the floor material 2 and the wall material 4 of the unit room for water supply equipment of the present embodiment.
  • the first adhesive layer 16 provided on the floor material 2 comes into contact with the lower end portion of the wall material 4.
  • the upper surface of the first pressure-sensitive adhesive layer 16 is elastically deformed along the lower end surface 4a of the wall material 4 due to the load of the wall material 4, and the first pressure-sensitive adhesive layer 16 and the wall material 4 are tightly adhered to each other. ..
  • the first pressure-sensitive adhesive layer 16 closes the gap between the floor material main body 14 and the wall material 4 and makes it watertight.
  • a continuous line of a heated and liquefied adhesive is applied to the joint portion (inner bottom surface 218c of the groove portion 218) of the floor material 2.
  • the watertight adhesive layer (first adhesive layer 16) formed by applying the coating in a shape has a characteristic that the larger the area in contact with the joint portion of the floor material 2 and the wall material 4, the stronger the adhesive strength.
  • the contact area A1 between the uneven portion 218d of the inner bottom surface 218c of the groove portion 218 of the floor material 2 and the first adhesive layer 16 is set under the wall material 4.
  • the adhesive force of the contact area A1 can be made stronger than the adhesive force of the contact area A2.
  • the wall material 4 can be easily peeled off from the first pressure-sensitive adhesive layer 16 as compared with the floor material 2.
  • the entire first adhesive layer 16 is not broken. It can remain on the side of the floor material 2 and can be prevented from coming off together with the wall material 4.
  • the unit room for the water supply equipment can be easily assembled, and the assembling property can be improved. As a result, it is possible to provide a unit room for water supply equipment that can ensure reliable watertightness without requiring special skills by the builder.
  • the simple configuration is such that the uneven portion 218d is provided on the surface (inner bottom surface 218c) where the first adhesive layer 16 is formed in the groove portion 118 of the floor material 2. Therefore, the contact area A1 between the inner bottom surface 218c of the groove portion 218 of the floor material 2 and the first adhesive layer 16 can be increased more than the contact area A2 between the lower end surface 4a of the wall material 4 and the first adhesive layer 16. it can. As a result, the workability and assemblability at the time of assembling the floor material 2 and the wall material 4 of the unit room for water supply equipment can be improved only by adding a simple configuration to the groove portion 218 of the floor material 2. ..
  • the joint portion (second joiner 20b) of the frame 6 and the joint portion (second receiver) of the ceiling material 8 are also provided. It may be provided for the part 28b).
  • the joint portion (second joiner 20b) of the frame 6 and the joint portion (second receiving portion 28b) of the ceiling material 8 the frame 6 of the unit room for water supply equipment and the like.
  • the workability and assembling property at the time of assembling the ceiling material 8 and the wall material 4 can also be improved.
  • FIG. 28 is an enlarged cross-sectional view showing the end portion of the floor material of the unit room for water supply equipment according to the fourth embodiment of the present invention.
  • the surface of the wall surface 4b is coated with a release agent C1 (for example, silicon coating, Teflon (registered trademark) coating, etc.).
  • a release agent C1 for example, silicon coating, Teflon (registered trademark) coating, etc.
  • the adhesive force is weaker than the adhesive force of the strong adhesive region A3.
  • An adhesive region A4 is provided.
  • the release agent C1 may be coated on at least the bottom surface (lower end surface 4a) of the wall material 4.
  • FIG. 29 is an enlarged cross-sectional view schematically showing a connection portion between the floor material 2 and the wall material 4 of the unit room for water supply equipment of the present embodiment.
  • FIG. 30 is a cross-sectional view schematically showing the behavior of the first pressure-sensitive adhesive layer 16 when the wall material 4 once adhered to the floor material 2 is re-adhered. As shown in FIG. 29, when the wall material 4 is arranged on the groove portion 318 of the floor material 2, the first adhesive layer 16 provided on the floor material 2 comes into contact with the lower end portion of the wall material 4.
  • the upper surface of the first adhesive layer 16 is elastically deformed along the lower end surface 4a of the wall material 4 due to the load of the wall material 4, and the first adhesive layer 16 and the lower end surface 4a of the wall material 4 are weak.
  • the adhesive region A4 is adhered with an adhesive strength smaller than the adhesive strength of the strong adhesive region A3, and is in close contact with each other so that it can be watertight. That is, the first pressure-sensitive adhesive layer 16 closes the gap between the floor material main body 14 and the wall material 4 and makes it watertight.
  • FIG. 30 is a diagram schematically showing the behavior of the first pressure-sensitive adhesive layer 16 at this time.
  • the first adhesive layer 16 is elastically deformed as shown in column (B). The lower end surface of the wall material 4 and the first adhesive layer 16 are adhered without gaps.
  • the thickness of the first pressure-sensitive adhesive layer 16 changes due to elastic deformation, even if the floor material 2 and the wall material 4 are distorted, the gaps between them are filled.
  • the first adhesive layer 16 remains adhered to the wall material 4 as shown in the column (C) of FIG. It is stretched. In this way, since the floor material 2 and the wall material 4 are adhered to each other via the first adhesive layer 16, even when the floor material 2 is bent by the action of a load, the floor material 2 and the wall material 4 are adhered to each other. There is no gap between the two, and watertightness is maintained.
  • the interface between the weak adhesive region A4 (stripping agent C1) of the lower end surface 4a of the wall material 4 and the first adhesive layer 16 is peeled off.
  • the first pressure-sensitive adhesive layer 16 is substantially restored to its original form before being adhered to the wall material 4.
  • the adhesive force between the first adhesive layer 16 and the strong adhesive region A3 of the floor material 2 is the adhesive strength between the first adhesive layer 16 and the weak adhesive region A4 (release agent C1) of the wall material 4. It is stronger than the adhesive strength between. Therefore, when the wall material 4 is pulled up, the interface between the first pressure-sensitive adhesive layer 16 and the wall material 4 is peeled off, and the first pressure-sensitive adhesive layer 16 remains on the floor material 2. Further, the breaking strength of the first pressure-sensitive adhesive layer 16 itself is made larger than the adhesive strength of the first pressure-sensitive adhesive layer 16 and the wall material 4 and the adhesive strength of the first pressure-sensitive adhesive layer 16 and the floor material 2. Therefore, as shown in column (C) of FIG.
  • the wall material 4 can be re-adhesive.
  • the strong adhesive region A3 that maintains the adhesion with the first adhesive layer 16 to the inner bottom surface 318c of the groove portion 318 of the floor material 2 is provided.
  • the first adhesive layer 16 and the two building materials are provided by providing a weak adhesive region A4 that can be peeled off from the first adhesive layer 16 on the surfaces of the lower end surface 4a and the side wall surface 4b of the wall material 4. Differences can be made in terms of adhesiveness with 2 and 4.
  • the wall material 4 can be peeled off from the first pressure-sensitive adhesive layer 16 by the weak adhesive region A4 of the lower end surface 4a and the side wall surface 4b of the wall material 4, the entire first pressure-sensitive adhesive layer 16 is broken. It can remain on the side of the floor material 2 without being removed, and can be prevented from coming off together with the wall material 4.
  • the weak adhesive region A4 of the wall material 4 reduces the force applied when the first adhesive layer 16 tries to peel off, so that the options for the adhesive constituting the first adhesive layer 16 are expanded. Become.
  • the unit room for the water supply equipment can be easily assembled, and the assembling property can be improved. As a result, it is possible to provide a unit room for water supply equipment that can ensure reliable watertightness without requiring special skills by the builder.
  • the lower end surface 4a and the side wall surface 4b of the wall material 4 are coated with a release agent C1 such as a silicon coating or a Teflon (registered trademark) coating, for example.
  • a release agent C1 such as a silicon coating or a Teflon (registered trademark) coating, for example.
  • the weak adhesive region A4 of the lower end surface 4a and the side wall surface 4b of the wall material 4 makes the wall material 4 peelable from the first adhesive layer 16. Therefore, the entire first pressure-sensitive adhesive layer 16 can remain on the floor material 2 side without being broken, and can be prevented from coming off together with the wall material 4. Therefore, it is possible to improve the workability and assemblability at the time of assembling the floor material 2 and the wall material 4 of the unit room for water supply equipment only by adding a simple configuration to the wall material 4.
  • the joint portion (second joiner 20b) of the frame 6 and the ceiling material 8 are similar to the strong adhesive region A3 of the joint portion (inner bottom surface 318c of the groove portion 318) of the floor material 2.
  • the joint portion (second receiving portion 28b) may also be designated as the strong adhesive region A3, and the surface of the joint portion of the wall material 4 to which the frame 6 and the ceiling material 8 are joined may be designated as the weak adhesive region A4.
  • FIG. 31 is an enlarged cross-sectional view showing the end portion of the floor material of the unit room for water supply equipment according to the fifth embodiment of the present invention.
  • the groove portion 418 has a first inner side surface 418a, a second inner side surface 418b, and an inner bottom surface 418c.
  • the inner bottom surface 418c is recessed below the floor surface 14a.
  • the first inner side surface 418a is provided on one end side of the inner bottom surface 418c on the floor surface 14a side.
  • the first inner side surface 418a extends upward from the inner bottom surface 418c toward the floor surface 14a.
  • the first inner side surface 418a connects one end of the inner bottom surface 418c and one end of the floor surface 14a.
  • the second inner side surface 418b is provided on the other end side of the inner bottom surface 418c.
  • the second inner side surface 418b extends upward from the other end of the inner bottom surface.
  • a support member 419 for supporting the lower end portion of the wall material 4 is watertightly provided along the groove portion 418 in the groove portion 418 which is a joint portion of the floor material 2.
  • the support member 419 is a concave member having a substantially U-shaped cross section, and includes an inner bottom surface 419a and a first inner side surface 419b and a second inner side surface 419c provided on one end side and the other end side, respectively. , A support recess is formed.
  • the support member 419 further includes an anchor portion 419d that protrudes upward from the intermediate portion between the first inner side surface 419b and the second inner side surface 419c on the inner bottom surface 419a and the tip thereof is formed in a wedge shape. There is.
  • the first pressure-sensitive adhesive layer 16 is formed on the inner bottom surface 419a of the support member 419 centering on the anchor portion 419d.
  • the anchor portion 419d of the support member 419 is formed when the floor material 2 and the wall material 4 are once adhered to each other via the first adhesive layer 16 and then the adhesive between the floor material 2 and the wall material 4 is peeled off.
  • the first adhesive from the joint portion of the floor material 2 (support member 419 in the groove portion 418) so that the entire adhesive layer 16 is not broken and remains on the support member 419 side in the groove portion 418 of the floor material 2. It functions as a detachment prevention unit that prevents the layer 16 from detaching. As a result, the first pressure-sensitive adhesive layer 16 is prevented from being separated from the support member 419.
  • the floor material 2 and the wall material 4 are once adhered to each other via the first adhesive layer 16, and then the floor material 2 and the wall material 2 and the wall material 4 are adhered to each other.
  • the adhesive of 4 is peeled off
  • the support member 419 in the groove 418 of the floor material 2 is provided by the detachment prevention portion (anchor 419d) provided at the joint (support member 419 in the groove 418) of the floor material 2. It is possible to prevent the first pressure-sensitive adhesive layer 16 from coming off. As a result, the entire first pressure-sensitive adhesive layer 16 can remain on the support member 419 side in the groove portion 418 of the floor material 2 without being broken, and it is possible to prevent the first pressure-sensitive adhesive layer 16 from coming off together with the wall material 4.
  • the unit room for the water supply equipment can be easily assembled, and the assembling property can be improved. As a result, it is possible to provide a unit room for water supply equipment that can ensure reliable watertightness without requiring special skills by the builder.
  • the floor material 2 and the wall material 4 of the unit room for water supply equipment can be assembled by simply adding a detachment prevention portion (anchor portion 419d of the support member 419) having a simple structure to the groove portion 418 of the floor material 2. Workability and assemblability at the time can be improved.
  • FIG. 32 is a partially enlarged cross-sectional view of the groove portion 518 of the floor material 2 of the unit room 100 for water supply equipment according to the sixth embodiment of the present invention.
  • the same parts as those of the unit room 1 for water supply equipment according to the fifth embodiment of the present invention described above are designated by the same reference numerals. However, these explanations will be omitted.
  • the structure of the support member 519 watertightly provided in the groove 518 of the floor material 2 is the second embodiment of the present invention described above. It is different from the structure of the support member 119 of the unit room 1 for water supply equipment depending on the form.
  • the first pressure-sensitive adhesive layer 16 is formed along the inner bottom surface 519a. Further, each of the first inner side surface 519b and the second inner side surface 519c of the support member 519 is provided with an anchor portion 519d that projects in pairs so as to face each other in the horizontal direction as a detachment prevention portion. These anchor portions 519d can prevent the first pressure-sensitive adhesive layer 16 from separating from the support member 519.
  • the anchor portion 519d that prevents the first adhesive layer 16 from separating as a detachment prevention portion provided at the joint portion of the floor material 2.
  • the floor material 2 and the wall material 4 are once adhered to the floor material 2 via the first adhesive layer 16 by a simple configuration in which the support member 519 provided with the above is watertightly fixed to the floor material 2.
  • the adhesive of the wall material 4 is peeled off, it is possible to prevent the first adhesive layer 16 from coming off from the anchor portion 519d of the support member 519 in the groove portion 18 of the floor material 2.
  • the entire first pressure-sensitive adhesive layer 16 can remain on the floor material 2 side without being broken, and it is possible to prevent the first pressure-sensitive adhesive layer 16 from coming off together with the wall material 4. Therefore, the floor material 2 and the wall material 4 of the unit room for water supply equipment can be assembled by simply adding a detachment prevention portion (anchor portion 519d of the support member 519) having a simple structure to the groove portion 518 of the floor material 2. Workability and assemblability at the time can be improved.
  • FIG. 33 is a partially enlarged cross-sectional view of the groove portion 618 of the floor material 2 of the unit room 200 for water supply equipment according to the seventh embodiment of the present invention.
  • the same parts as those of the unit room for water supply equipment according to the fifth embodiment of the present invention described above are designated by the same reference numerals. , These explanations will be omitted.
  • the unit room for water supply equipment according to the second and fifth embodiments of the present invention described above is contained in the groove 618 of the floor material 2.
  • the structure is different in that the support members 119 and 419 are not provided.
  • the structure in which the first pressure-sensitive adhesive layer 16 is formed directly with respect to the inner bottom surface 618c of the groove portion 618 and then mechanically fastened by the screw 619 which is a fastener is described above. It is different from the second and fifth embodiments of the present invention.
  • the screw 619 that mechanically fastens the first pressure-sensitive adhesive layer 16 to the inner bottom surface 618c of the groove portion 618 of the floor material 2 is in the lateral width direction (groove portion 618) of the first pressure-sensitive adhesive layer 16. It is fastened so as to penetrate one side (second inner side surface 618b side) of the first inner side surface 618a and the second inner side surface 618b in the same direction as the width direction.
  • the screw 619 can function as a detachment prevention portion for preventing the first adhesive layer 16 from detaching from the groove portion 618 of the floor material 2.
  • the first adhesive is attached to the inner bottom surface 618c of the groove portion 618 of the floor material 2.
  • the agent layer 16 is mechanically fastened with screws 619
  • the floor material 2 and the wall material 4 are once adhered to each other via the first adhesive layer 16, and then the floor material 2 and the wall material 4 are formed.
  • the adhesive is peeled off, it is possible to prevent the first adhesive layer 16 from coming off from the groove 618 of the floor material 2.
  • the entire first pressure-sensitive adhesive layer 16 can remain on the floor material 2 side without being broken, and it is possible to prevent the first pressure-sensitive adhesive layer 16 from coming off together with the wall material 4.
  • the workability at the time of assembling the floor material 2 and the wall material 4 of the unit room 200 for water supply equipment is simply added to the groove portion 618 of the floor material 2 by adding a detachment prevention portion (screw 619) having a simple structure. And the assemblability can be improved.
  • the step of mechanically fastening the first pressure-sensitive adhesive layer 16 to the inner bottom surface 618c of the groove portion 618 with a screw 619 is performed in a factory after the watertight pressure-sensitive adhesive layer forming step S2 (FIG. 8) or in the curing step S3 (FIG. 8). It is preferable to carry out after 8).
  • FIG. 34 is a partially enlarged cross-sectional view of the groove portion 718 of the floor material 2 of the unit room 300 for water supply equipment according to the eighth embodiment of the present invention.
  • the same parts as those of the unit room for water supply equipment according to the fifth embodiment of the present invention described above are designated by the same reference numerals. These explanations will be omitted.
  • the water supply equipment unit room 300 according to the present embodiment the water supply equipment unit room according to the second and fifth embodiments of the present invention described above is contained in the groove 718 of the floor material 2. The structure is different in that the support members 119 and 419 are not provided.
  • the structure in which the first pressure-sensitive adhesive layer 16 is formed directly with respect to the inner bottom surface 718c of the groove portion 718 and then mechanically fastened by the screw 719 which is a fastener is described above.
  • the screw 719 is in the width direction in the first pressure-sensitive adhesive layer 16 (the width direction between the first inner side surface 718a and the second inner side surface 718b of the groove portion 718). It has a structure different from that of the seventh embodiment of the present invention described above in that it is fastened so as to penetrate substantially the central portion (in the same direction).
  • the screw 719 that mechanically fastens the first pressure-sensitive adhesive layer 16 to the inner bottom surface 718c of the groove portion 718 of the floor material 2 is substantially at the center of the first pressure-sensitive adhesive layer 16 in the lateral width direction. It is fastened so as to penetrate the portion, and can function as a detachment prevention portion for preventing the first adhesive layer 16 from detaching from the groove portion 718 of the floor material 2. Further, as shown in FIG. 34, when the screw 719 mechanically fastens the first adhesive layer 16 to the inner bottom surface 718c of the groove portion 718 of the floor material 2, the head 719a of the screw 719 is first adhered. The first pressure-sensitive adhesive layer 16 is fastened while being buried in the agent layer 16.
  • the first pressure-sensitive adhesive layer 16 is formed in a state where the head portion 719a of the screw 719 is embedded in the first pressure-sensitive adhesive layer 16. It can be fastened to the inner bottom surface 718c of the groove portion 718 of the floor material 2. Therefore, since the adhesive portion of the inner bottom surface 718c of the groove portion 718 of the floor material 2 and the first adhesive layer 16 is not separated by the screw 719, the watertightness between the first adhesive layer 16 and the floor material 2 becomes high. It can be prevented from being damaged.
  • FIG. 35 is a partially enlarged cross-sectional view of the groove portion 818 of the floor material 2 of the unit room 400 for water supply equipment according to the ninth embodiment of the present invention.
  • the same parts as those of the unit room for water supply equipment according to the fifth embodiment of the present invention described above are designated by the same reference numerals. , These explanations will be omitted.
  • the structure of the support member 819 watertightly provided in the groove 818 of the floor material 2 is the fifth aspect of the present invention described above. It is different from the structure of the support member 419 of the unit room for water supply equipment according to the embodiment.
  • the support member 819 forms a recess by the first inner side surface 819a, the second inner side surface 819b, and the inner bottom surface 819c. Further, in the recess of the support member 819, the first pressure-sensitive adhesive layer 16 is formed directly with respect to the inner bottom surface 819c, and then mechanically fastened by a screw 820 which is a fastener. It is different from the structure of the fifth to eighth embodiments.
  • the screw 820 that mechanically fastens the first pressure-sensitive adhesive layer 16 to the inner bottom surface 819c of the support member 819 in the groove portion 818 of the floor material 2 is the first pressure-sensitive adhesive layer 16. It is fastened so as to penetrate substantially the central portion in the lateral width direction, and can function as a detachment prevention portion for preventing the first adhesive layer 16 from detaching from the support member 819 in the groove portion 818 of the floor material 2. It has become.
  • the screw 820 mechanically fastens the first adhesive layer 16 to the inner bottom surface 818c of the groove portion 818 of the floor material 2, the head 820a of the screw 820 is first adhered.
  • the first pressure-sensitive adhesive layer 16 is fastened while being buried in the agent layer 16.
  • the inner bottom surface 819c of the support member 819 in the groove portion 818 of the floor material 2 is provided as a detachment prevention portion provided in the groove portion 818 of the floor material 2.
  • the entire first pressure-sensitive adhesive layer 16 can remain on the floor material 2 side without being broken, and it is possible to prevent the first pressure-sensitive adhesive layer 16 from coming off together with the wall material 4. Therefore, the floor material 2 and the wall material 4 of the unit room 400 for water supply equipment can be assembled by simply adding a detachment prevention portion (support member 819, screw 820) having a simple structure to the groove portion 818 of the floor material 2. Workability and assemblability at the time can be improved.
  • joint portion (second joiner 20b) of the frame 6 (FIG. 4) and the joint portion (second receiving portion 28b) of the ceiling material 8 (FIG. 7) are also referred to.
  • a detachment prevention portion similar to the detachment prevention portions 119, 419d, 519, 519d, 619, 719, 820 of the joint portion (groove portion) of the floor material 2 of the second to ninth embodiments may be provided.
  • the joints between the floor material and the wall material, between the frame and the wall material, and between the ceiling material and the wall material are all watertightly joined using a watertight adhesive layer. It is also possible to apply a watertight adhesive layer seal to some of these joints, for example only between the floor and wall material, or both between the floor and wall material and between the frame and wall material. it can. Further, caulking with silicone or the like can be used in combination with the joint portion whose watertightness is ensured by the watertight adhesive layer. Further, the groove portion can be provided on the upper surface of the bank portion formed around the floor material. Further, the first adhesive layer 16 can be provided without attaching the support member 19 to the groove portion (wall-mounted recess) 18.
  • the present invention can also be configured by combining the plurality of embodiments described above.
  • the present invention has been applied to the manufacture of a unit bath which is a unit room for water supply equipment, but as a modification, the unit room for water supply equipment of the present invention is shown in FIG. As shown, it can also be applied to shower rooms.
  • the unit room for water supply equipment of the present invention is applied to the shower room 900.
  • the shower room 900 is composed of a floor material 902, a wall material 904, a frame 906 connecting the wall material 904, and a ceiling material 908. Further, a door 904a is provided on one side surface of the shower room 900 to allow entry and exit to the shower room 900. Also in this modification, the floor material 902, the frame 906, and the ceiling material 908 function as the first building material, and the wall material 904 functions as the second building material.
  • the floor material 902 is a substantially rectangular panel-shaped member, and a first adhesive layer 916, which is a watertight adhesive layer, is continuously formed on the entire circumference of the outer peripheral edge thereof.
  • Frames 906 are provided at the four corners of the floor material 902, and a second adhesive layer 922, which is a watertight adhesive layer, is formed on each frame 906.
  • a panel-shaped wall material 904 is arranged on the outer peripheral edge of the floor material 902, and the floor material 902 and the wall material 904 are watertightly and re-adhesively adhered via the first adhesive layer 916. There is.
  • these wall materials 904 are each watertightly and re-adhesively adhered to the frame 906 via the second adhesive layer 922.
  • the door frame of the door 904a is also watertight and re-adhesive to the floor material 902 and the frame 906 via the first adhesive layer 916 and the second adhesive layer 922, respectively, like the wall material 904. It is sticky.
  • the ceiling material 908 is a substantially rectangular panel-shaped member, and a third adhesive layer 926, which is a watertight adhesive layer, is continuously formed on the outer peripheral edge thereof as well.
  • the ceiling material 908 is watertightly and re-adhesively adhered to the upper edge of each wall material 904 and the upper end of each frame 906 via a third adhesive layer 926.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
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  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
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  • Building Environments (AREA)

Abstract

La présente invention concerne une salle d'unité pour une installation de plomberie qui ne nécessite pas une compétence particulière d'un constructeur et peut assurer une étanchéité à l'eau fiable. La présente invention concerne une salle d'unité (1) qui est destinée à une installation de plomberie, et peut être assemblée par assemblage d'une pluralité de matériaux de construction les uns aux autres de manière étanche à l'eau, la salle d'unité étant caractérisée en ce qu'elle comprend, sur une partie de jonction destinée à être assemblée à un autre matériau de construction : un premier matériau de construction (2) dans lequel une couche adhésive linéaire étanche à l'eau (16) est formée ; et un deuxième matériau de construction (4) comprenant une partie de jonction collée au premier matériau de construction d'une manière étanche à l'eau et recollable, la couche adhésive étanche à l'eau étant configurée de telle sorte que, lorsque le premier matériau de construction et le deuxième matériau de construction sont détachés après que le premier matériau de construction et le deuxième matériau de construction ont été collés une fois par l'intermédiaire de la couche adhésive étanche à l'eau, la totalité de la couche adhésive étanche à l'eau reste sur le côté du premier matériau de construction.
PCT/JP2020/045324 2019-12-04 2020-12-04 Salle d'unité pour installation de plomberie et procédé de fabrication de salle d'unité pour installation de plomberie WO2021112246A1 (fr)

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CN202080005456.0A CN113227516A (zh) 2019-12-04 2020-12-04 用水设备用整体房屋及用水设备用整体房屋的制造方法

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EP2368958B1 (fr) * 2008-11-14 2015-09-16 Nitta Gelatin Inc. Matière d'étanchéité et procédé d'application par moussage correspondant
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JPH09227843A (ja) * 1996-02-27 1997-09-02 Sekisui Chem Co Ltd 加圧接着型粘着シート及び粘着剤積層装飾ボード
JPH1017827A (ja) * 1996-07-04 1998-01-20 Sekisui Chem Co Ltd 加圧接着型両面粘着シート
JPH10317502A (ja) * 1997-05-19 1998-12-02 Sekisui Chem Co Ltd 設備ユニットの取付方法および設備ユニットが取り付けられたユニット建物
JP2000160856A (ja) * 1998-11-26 2000-06-13 Misawa Homes Co Ltd 浴室床パネル及びその取付方法
JP2002097809A (ja) * 2000-09-26 2002-04-05 Noritz Corp 浴室の防水構造
JP2016050431A (ja) * 2014-08-29 2016-04-11 Toto株式会社 浴室洗い場における床部と壁部との間のシール方法
JP2019206834A (ja) * 2018-05-29 2019-12-05 Toto株式会社 水まわりユニットルームの組み立て方法及び水まわりユニットルーム

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