WO2019058713A1 - Matériau de revêtement de sol à absorption de chocs - Google Patents

Matériau de revêtement de sol à absorption de chocs Download PDF

Info

Publication number
WO2019058713A1
WO2019058713A1 PCT/JP2018/025978 JP2018025978W WO2019058713A1 WO 2019058713 A1 WO2019058713 A1 WO 2019058713A1 JP 2018025978 W JP2018025978 W JP 2018025978W WO 2019058713 A1 WO2019058713 A1 WO 2019058713A1
Authority
WO
WIPO (PCT)
Prior art keywords
sheet
mesh
substrate
foam
frame
Prior art date
Application number
PCT/JP2018/025978
Other languages
English (en)
Japanese (ja)
Inventor
駿輔 保田
守 杉本
Original Assignee
株式会社タイカ
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 株式会社タイカ filed Critical 株式会社タイカ
Publication of WO2019058713A1 publication Critical patent/WO2019058713A1/fr

Links

Images

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors

Definitions

  • the present invention relates to an impact absorbing floor material which has excellent cushioning properties and is used in nursing and welfare facilities, medical institutions, elderly people's homes, etc., and which reduces the impact when falling.
  • the decorative sheet, the first base material, the first buffer material, the second base material, and the second buffer material are sequentially stacked from the surface side, and the first base material and the second base material are wood materials.
  • the first cushioning material and the second cushioning material are proposed to be a five-layered floor material comprising synthetic resin foam.
  • it has a 5.5-mm-thick hard layer on the surface side, and has a 6.5-mm-thick soft layer on the floor surface side, and the makeup which uses a polyolefin resin sheet as a substrate on the surface of a hard layer.
  • a floor material of a three-layer structure in which sheets are laminated has been proposed.
  • Patent Document 1 and Patent Document 2 are each formed as a laminated body in which a plurality of sheet materials are stacked, the respective sheet materials are separated by an adhesive or the like so that the respective sheet materials are not separated. It is adhesively fixed. Therefore, in laying construction or manufacture of these floorings, it is necessary to bond between each sheet, which took time and effort. Moreover, in any flooring, since a hard shock absorbing material is arrange
  • the present invention has been made in view of the above-described point, and its object is to provide a shock absorbing floor material which can be easily installed and can be laid quickly, has high shock absorption, and is also soft around the foot. To provide.
  • a substrate made of a hard foam, a reticulated sheet made of a soft foam, and a surface decorative sheet are laminated in this order, and a mesh is formed on the surface of the substrate.
  • Grooves releasably engageable with the mesh frame of the sheet are formed in a mesh shape, and in the region of the mesh holes of the mesh sheet, a gap is formed between the substrate and the surface decorative sheet There is.
  • the substrate, the mesh sheet, and the surface decorative sheet are laminated in this order from the lower side, and the substrate and the mesh sheet are arranged in a mesh on the surface of the substrate. Since the mesh frame of the mesh sheet is fitted into the recessed groove and joined, the assembly can be easily positioned, and the lamination work can be performed only by fitting the two together.
  • a portion of the mesh holes of the mesh sheet is configured such that a space is formed between the surface decorative sheet overlaid on the substrate and the substrate, whereby an impact absorbing action and a soft foot contact are obtained. can get.
  • the reticulated frame portion and the void portion made of soft foam are first Acts to absorb, feels soft to the foot. Then, when a stronger force is applied to the floor surface, the mesh frame made of a soft foam is vertically compressed, and the force is also dispersed on the substrate surface in the mesh holes. Also, since it is formed to be rigid, the force is dispersed throughout the substrate and is absorbed by impact. Thus, the combined structure of the reticulated sheet and the substrate has a multistage and high buffer action.
  • the impact-absorbing floor material of the present invention is configured such that a space is formed between the surface decorative sheet and the substrate, the floor impact noise is also reduced because the air layer isolates the sound. it can.
  • the upper and lower directions in the state of using and installing an impact-absorbing floor material on a construction floor surface such as a concrete slab, that is, the vertical direction when the surface decorative sheet is installed on the upper side Shall be said.
  • the thickness of the mesh sheet is substantially constant, and the thickness (T) of the mesh sheet is larger than the groove depth (D) of the concave groove of the substrate (T> D) Is preferred.
  • the thickness of the reticulated sheet thicker than the groove depth of the concave grooves of the substrate, it is possible to easily provide a gap between the substrate and the surface decorative sheet in the region of the mesh holes. Further, by adjusting the thickness of the mesh sheet appropriately, it is possible to obtain a desired impact absorbing action and a sound insulating action.
  • the reticulated sheet is formed by laminating different types of foam sheets, and the hardness of each layer is configured to be gradually lowered toward the surface decorative sheet side. Thereby, a multistage impact absorbing action can be obtained. Further, by setting the hardness of the laminated foam sheet to a low hardness (soft foam) on the surface decorative sheet side and a high hardness (hard foam) on the foundation ground layer side, a softer tread feeling can be obtained. .
  • the reticulated sheet is a foam sheet having a plurality of perforations penetrating in the thickness direction, and the perforations are opened by pulling the foam sheet in a direction substantially perpendicular to the incision direction of the perforations. It is also preferable that the sheet is a stretchable sheet configured to form a mesh-like sheet having mesh holes and a mesh frame.
  • the substrate is provided with a plurality of protrusions on the back surface thereof.
  • an air layer is also formed between the protrusions, and the sound insulation is further improved.
  • the impact-absorbing floor material which has the following outstanding effects can be provided.
  • the installation work is easy and can be laid quickly. Therefore, not only new construction but also renovation construction to existing facilities can be easily performed.
  • It has multi-stage and excellent shock absorption properties, and it has a soft feel when loaded, so it can act on the floor material with ease and can move the body.
  • the impact-absorbing floor material 1 is configured by laminating a substrate 2, a mesh sheet 3, and a surface decorative sheet 6 from the lower side (installation surface side).
  • the underlayment structure in which the substrate 2 and the mesh sheet 3 are combined will be described as the floor base material 4.
  • the recessed grooves 21 are provided in a mesh shape on the surface side (upper surface side) which is a lamination surface with the mesh sheet 3.
  • the recessed groove 21 is formed so as to be detachably coupled to the mesh frame 31 of the mesh sheet 3 described later, and corresponds to the shape of the mesh frame 31 of the mesh sheet 3. Then, when the portion other than the concave groove 21, that is, the convex portion 22 surrounded by the concave groove 21 has a flat surface, and the concave groove 21 of the substrate 2 and the mesh frame 31 of the mesh sheet merge with each other.
  • the shape of the mesh holes 32 of the mesh sheet 3 corresponds to the convex portion 22 intruding into the mesh holes 32 of the mesh sheet 3.
  • the convex portion 22 may have a shape (frustum shape) which becomes thinner toward the upper end of the surface of the convex portion 22.
  • the shape of the grooves 21 of the substrate 2 does not have to be exactly the same as the shape of the mesh frame 31, and can be detachably fitted to the mesh frame 31 of the mesh sheet 3, and the grooves are arranged in a mesh shape. As long as the mesh frame 31 can be supported as a whole, different portions may be present.
  • the recessed groove 21 of the substrate 2 is formed such that at least a part of the groove wall 21a is in contact with the frame wall 31a of the mesh frame of the mesh sheet 3, and hence the mesh frame 31 is a groove wall of the recessed groove It is supported and fixed to 21a. Therefore, the groove width 21W of the recessed groove is formed to have the same width as the frame width 31W of the mesh frame. However, the entire groove width 21W of the recessed groove does not have to be the same width as the frame width 31W of the mesh frame of the corresponding part, provided that the mesh frame 31 can be supported as a whole. May have different parts. In the present embodiment, the groove width 21W of the recessed groove 21 is approximately 6 mm, and the frame width 31W of the mesh frame is approximately 6 mm.
  • the groove depth 21D of the concave groove 21 is formed shorter than the length corresponding to the thickness 3T of the mesh sheet (height 31H of the mesh frame). As a result, a gap 5 is formed between the surface of the convex portion 22 of the substrate 2 and the surface decorative sheet 6. It is preferable to adjust the groove depth 21D of the recessed groove 21 so that the height of the air gap 5 is 5 mm to 20 mm, more preferably about 7 mm to 10 mm, from the viewpoint of cushioning and walking.
  • the groove depth 21D of the recessed groove 21 is 5 mm, and the thickness 3T of the reticulated sheet is 13 mm, so the air gap 5 with a height of about 8 mm is formed. .
  • projections 23 projecting downward are provided in a lattice shape.
  • the gap 24 is formed between the projection 23 and the construction surface to allow air to flow, so condensation on the construction surface can be suppressed.
  • the air layer is formed by the gap 24, the sound insulation is improved.
  • the substrate 2 is made of a hard foam and is made of a foam harder than the mesh sheet 3.
  • those having a compressive strength (corresponding to the hardness) measured in accordance with JIS K 7220 "Hard foam plastic-Determination of compression characteristics" is preferably 5 to 40 N / cm 2 , and 10 to 35 N more preferably those which are / cm 2, it is particularly preferable in 15 ⁇ 30N / cm 2.
  • the material of the substrate 2 is not particularly limited as long as it has the above-described hardness and has cushioning properties, and specific examples thereof include foamed polyurethane and foamed polyolefin.
  • the substrate 2 since it is necessary to provide the concave groove 21, a hard foam having a thickness of about 10 mm to 50 mm is suitably used.
  • the substrate 2 is formed of foamed polypropylene having a thickness of 18 mm and a hardness of 30 N / cm 2 .
  • the substrate 2 having the concave groove 21 and the convex portion 22 can be easily obtained by pressing the above-mentioned hard foam in a mesh pattern from the surface side at a predetermined temperature and pressure at a predetermined temperature and pressure.
  • the projections 23 and the gaps 24 are formed by pressing the hard foam at a predetermined temperature and pressure from the back side in a grid pattern.
  • substrate 2 is not limited to the method mentioned above, For example, it mounts so that the ditch
  • the substrate 2 can also be obtained by bonding, fixing or the like.
  • the mesh sheet 3 in the present embodiment mainly includes a mesh frame 31 and a mesh hole 32 which is a hole inside the frame.
  • the mesh frame 31 is formed so as to be detachably fitted to the recessed groove 21 of the substrate 2 described above, and corresponds to the shape of the recessed groove 21 of the substrate 2.
  • the mesh hole 32 allows the convex portion 22 of the substrate 2 to enter into the hole of the mesh hole 32. It corresponds to the shape of the convex portion 22.
  • the shape of the mesh frame 31 of the mesh sheet 3 does not have to be exactly the same as the shape of the groove 21 and can be detachably fitted to the groove 21 so that the mesh frame 31 is supported by the groove 21 as a whole. If it is done, both may have different parts.
  • the mesh pattern may have any pattern shape, and examples include polygonal shapes such as triangles, rectangles, rhombuses and hexagons, ovals, circles, and irregular shapes. In the present embodiment, as an example, a mesh pattern having a rhombus-like shape as the mesh holes 32 is used.
  • the mesh frame 31 of the mesh sheet 3 is formed such that at least a part of the frame wall 31a of the mesh frame abuts and fits with the groove wall 21a of the concave groove of the substrate 2, and the mesh frame 31 is concave It is supported and fixed to the groove wall 21a of the groove. Therefore, the frame width 31W of the mesh frame is formed to have the same width as the groove width 21W of the recessed groove. However, the entire frame width 31 W of the mesh frame does not have to be as wide as the groove width 21 W of the corresponding recessed groove, and if the mesh frame 31 is supported by the groove 21, There may be different parts.
  • the width of the frame width 31 W of the mesh frame is 3 mm to 30 mm from the viewpoint of supporting the surface decorative sheet 6 by the upper surface portion of the mesh frame 31 to obtain the multistage shock absorbing effect of the present invention. It is preferable to set it as 5 mm to 15 mm.
  • the frame width 31W of the mesh frame is approximately 6 mm
  • the groove width 21W of the recessed groove 21 is approximately 6 mm.
  • the height 31H of the mesh frame is formed longer than the length corresponding to the groove depth 21D of the concave groove.
  • the air gap 5 is formed between the convex portion 22 of the substrate 2 and the surface decorative sheet 6, that is, inside the mesh hole 32.
  • the groove depth 21D of the recessed groove 21 is 5 mm
  • the height 31H of the mesh frame is 13 mm. It is formed inside.
  • the gap 5 may be adjusted in accordance with the hardness of the mesh sheet 3. From the viewpoint of cushioning and walking, the thickness 3T of the mesh sheet is set so that the height of the gap 5 is 5 mm to 20 mm. It is preferable to adjust and select the height 31H), and more preferably to adjust to about 7 mm to 10 mm.
  • the mesh holes 32 may be adjusted according to the hardness of the mesh sheet 3, and from the viewpoint of buffer property and walking property, the mesh holes 32 preferably have a size of about 3 cm 2 to 20 cm 2 , 4 cm. It is more preferable to set it to about 2 to 10 cm 2 .
  • the size of the diamond-like mesh holes 32 in the present embodiment is designed to be about 6 to 7 cm 2 .
  • the reticulated sheet 3 is made of a soft foam and is made of a softer foam than the substrate 2. Specifically, those having a hardness of 0.5 to 20 kN measured according to JIS K 6400-2 "Soft foam materials: determination of hardness and compressive stress-strain characteristics" (40% compression) It is preferably 1 to 10 kN, more preferably 1 to 5 kN. As the soft foam constituting the reticulated sheet 3, since it is necessary to form the void portion 5, a soft foam having a thickness of about 10 mm to 50 mm as a whole is suitably used. Further, the reticulated sheet 3 may have a configuration in which a plurality of foam sheets are stacked, or may have a configuration in which different types of foam sheets are stacked.
  • the reticulated sheet 3 is formed by laminating and bonding two foam sheets of the upper first foam sheet 3a and the lower second foam sheet 3b.
  • the upper first foam sheet 3a is lower in hardness than the lower second foam sheet 3b, and a soft sheet is selected, whereby a multistage buffering action can be obtained.
  • the material of the reticulated sheet 3 is not particularly limited as long as it has the above-described hardness and has cushioning properties, and specifically, expanded polyolefin such as expanded polyethylene, expanded polyurethane, ethylene-vinyl acetate Copolymer resin foam or foamed silicone may, for example, be mentioned.
  • expanded polyolefin such as expanded polyethylene, expanded polyurethane, ethylene-vinyl acetate Copolymer resin foam or foamed silicone may, for example, be mentioned.
  • the first foam sheet 3a and the second foam sheet 3b may be made of the same material or may be made of different materials.
  • the network sheet 3 is not particularly limited, but a sheet formed of a self-foaming type silicone foam having a thickness of 3 mm and a hardness of 1.5 kN as the first foam sheet 3a, and the second As the foam sheet 3b, a sheet obtained by laminating and bonding a sheet of a self-foaming type polyethylene foam having a thickness of 8 mm and a hardness of 2.5 kN is used.
  • the reticulated sheet 3 in this embodiment is a stretchable sheet, and has a plurality of perforations 3L penetrating in the thickness direction of the sheet, and the incision direction of the perforations 3L By pulling the sheet in a direction substantially perpendicular to the sheet, the perforations 3L are opened, and the mesh holes 32 and the mesh frame 31 are generated.
  • the mesh sheet 3 an expandable sheet, it is possible to make the parts transfer to the construction site compact, so that the transportation cost can be reduced, and since it can be carried small, the handling becomes easy.
  • the mesh sheet 3 may not be a stretchable sheet, and may be, for example, a sheet formed by opening the mesh holes 32 by punching or the like.
  • the surface decorative sheet 6 in this embodiment is a wood board such as plywood, wood board, laminated wood, veneer laminated wood, solid wood or the like, wood composite board in which sheet wood board material is laminated on these wood boards, FRP board It is possible to use any kind of surface decorative sheet distributed in the market, such as a resin plate and a foamed resin plate, a resin sheet obtained by printing or the like on the surface of these plate members, and a laminated top coat.
  • the shock absorbing floor material 1 of the present invention may be provided with connecting means for connecting and laying a plurality of shock absorbing floor materials 1.
  • connection means known connection means used in conventional flooring can be applied as long as the action and effect of the present invention are not inhibited.
  • the substrate 2 is laid on the construction surface, and the mesh frame 31 of the reticulated sheet 3 is pushed with a light force from above onto the recessed grooves 21 formed on the substrate 2 It is carried out by putting in and superposing the surface decorative sheet 6 thereon. Since the substrate 2 and the mesh sheet 3 are connected by the fitting of the concave groove 21 and the mesh frame 31, bonding work with an adhesive or the like is unnecessary between the substrate 2 and the mesh sheet 3.
  • the mesh sheet 3 is formed as a stretchable sheet, it can be handled easily without being bulky in a contracted state during transportation or transport, and it can be expanded by simply pulling one end during construction to form a predetermined shape. , Can be efficiently installed.
  • the mesh frame 31 of the mesh sheet 3 is the groove wall 21 a of the concave groove of the substrate 2. It is fixed to support. Further, since the height 31H of the mesh frame is formed longer than the length corresponding to the groove depth 21D of the concave groove, the mesh between the surface of the convex portion 22 of the substrate 2 and the surface decorative sheet 6, ie, the mesh An air gap 5 is formed inside the hole 32.
  • the air gap 5 with a height of about 8 mm is formed inside the mesh hole 32 There is.
  • the lower side of the frame wall 31a of the mesh frame 31 is engaged with the concave groove 21 and supported and fixed to the groove wall 21a of the concave groove, but the upper side of the frame wall 31a is the groove depth 21D of the concave groove Is shorter than the frame height 31H of the mesh frame, the free end 31b is not supported by the groove wall 21a of the recessed groove.
  • the surface decorative sheet 6 is a reticulated sheet Since the mesh frame 31 of the mesh-like sheet 3 made of a soft foam is absorbed by the force because it is supported by the surface portion of the mesh frame 31 of FIG. The cushioning property is high and the foot feels soft and soft. Moreover, since the space
  • the reticulated sheet 3 is formed of two foam sheets, the upper first foam sheet 3 a and the lower second foam sheet 3 b, and the hardness is 1st
  • the second foam sheet 3 a ⁇ the second foam sheet 3 b ⁇ the base material 2 is selected to be higher in the following order.
  • the upper surface decorative sheet 6 side As described above, by setting the upper surface decorative sheet 6 side to be low hardness (soft foam) and moving to the lower side to be high hardness (hard foam), a multistage shock absorbing action can be obtained, and Since the cushioning property corresponding to the size of the force is obtained, the load on the knee and the hip is reduced. And since the upper surface decorative sheet 6 side is made into low hardness (soft foam), while being able to obtain a soft step feeling, the impact at the time of falling can also be reduced.
  • the impact-absorbing floor material of the present invention has a multi-step buffer action, is soft to the footsteps, and has little burden on knees and hips, so it is possible to use not only living rooms but also bathrooms, kitchens, washrooms, etc. It is suitable as a floor material for the surrounding area of water, rehabilitation rooms for nursing and welfare facilities and medical institutions, corridors, and playgrounds and playgrounds for child welfare facilities and educational facilities.
  • the shock absorbing floor material according to the present invention is used by being laid on a floor to reduce the impact of falling in a care / welfare facility, a medical institution, an elderly person housing, etc., and further, a bathroom, a kitchen, a washroom Etc., it can be suitably used as a floor material for playgrounds and sports grounds of water surroundings such as, rehabilitation rooms of nursing and welfare facilities and medical institutions, corridors, child welfare facilities and educational facilities.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Floor Finish (AREA)

Abstract

La présente invention concerne un matériau de revêtement de sol à absorption de chocs qui peut être posé rapidement et avec un simple travail d'installation, qui a une bonne capacité d'absorption de chocs, et qui est souple sur les pieds. Ce matériau de revêtement de sol à absorption de chocs est formé en stratifiant, dans ledit ordre, un substrat qui comprend une mousse rigide, une feuille maillée qui comprend une mousse souple, et une feuille décorative de surface. Des rainures évidées qui peuvent être ajustées de manière amovible conjointement avec les cadres maillés de la feuille maillée, sont formées dans la surface du substrat. Des espaces sont formés entre le substrat et la feuille décorative de surface dans les régions des ouvertures de maille de la feuille maillée.
PCT/JP2018/025978 2017-09-20 2018-07-10 Matériau de revêtement de sol à absorption de chocs WO2019058713A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-180032 2017-09-20
JP2017180032A JP6951741B2 (ja) 2017-09-20 2017-09-20 衝撃吸収床材

Publications (1)

Publication Number Publication Date
WO2019058713A1 true WO2019058713A1 (fr) 2019-03-28

Family

ID=65810255

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/025978 WO2019058713A1 (fr) 2017-09-20 2018-07-10 Matériau de revêtement de sol à absorption de chocs

Country Status (2)

Country Link
JP (1) JP6951741B2 (fr)
WO (1) WO2019058713A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6396825U (fr) * 1986-12-11 1988-06-22
JPH0960263A (ja) * 1995-08-25 1997-03-04 Kurita Kogyo:Kk 床暖房用畳
JP2016521218A (ja) * 2013-04-01 2016-07-21 スリーエム イノベイティブ プロパティズ カンパニー 吸水性発泡複合体
JP2017089334A (ja) * 2015-11-17 2017-05-25 日本特殊畳株式会社 畳

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0218847U (fr) * 1988-07-21 1990-02-07
JPH03108740U (fr) * 1990-02-23 1991-11-08

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6396825U (fr) * 1986-12-11 1988-06-22
JPH0960263A (ja) * 1995-08-25 1997-03-04 Kurita Kogyo:Kk 床暖房用畳
JP2016521218A (ja) * 2013-04-01 2016-07-21 スリーエム イノベイティブ プロパティズ カンパニー 吸水性発泡複合体
JP2017089334A (ja) * 2015-11-17 2017-05-25 日本特殊畳株式会社 畳

Also Published As

Publication number Publication date
JP2019056212A (ja) 2019-04-11
JP6951741B2 (ja) 2021-10-20

Similar Documents

Publication Publication Date Title
US8919066B2 (en) Flooring apparatus for reducing impact energy during a fall
US11834847B2 (en) Load distribution and absorption underlayment system with transition features
WO2019058723A1 (fr) Structure de gazon artificiel
US20190376300A1 (en) Sealing strip for sealing drywall connecting joints
KR20170095662A (ko) 층간 소음 방지 패드
WO2019058713A1 (fr) Matériau de revêtement de sol à absorption de chocs
KR101737101B1 (ko) 공동주택의 층간구조 보강패널
JP2007132146A (ja) 遮音床材用裏打材
KR101670794B1 (ko) 공동주택의 층간 차음바닥구조물
TW201628840A (zh) 具有改良式降噪及吸震的多層墊
JP6344906B2 (ja) 床構造
KR20210000500A (ko) 층간소음방지재
WO2022131326A1 (fr) Main courante
JP2010053559A (ja) 床構造
KR102683783B1 (ko) 이중 바닥재를 이용한 마루 시스템
JPH0461942B2 (fr)
JP2011117140A (ja) 浴室用洗い場床
JP5440134B2 (ja) 浴室用洗い場床
AU2006100143A4 (en) A pressure relief cushion
KR101671279B1 (ko) 기성 공동주택용 비외곽하중 집중 충격력 분산형 층간 소음 저감 시공 구조체
JP2002081193A (ja) 室内床面とベランダ等との間の段差解消具
JP6862663B2 (ja) 防音床材の施工構造
AU2013206865B2 (en) Flooring apparatus for reducing impact energy during a fall
JPH10182865A (ja) 床用防音シート
JPH01260167A (ja) 床下地材及びそれを用いたコンクリート建築物の床構造

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18858461

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18858461

Country of ref document: EP

Kind code of ref document: A1