KR102366169B1 - interlayer noise abatement mat - Google Patents

interlayer noise abatement mat Download PDF

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KR102366169B1
KR102366169B1 KR1020200051273A KR20200051273A KR102366169B1 KR 102366169 B1 KR102366169 B1 KR 102366169B1 KR 1020200051273 A KR1020200051273 A KR 1020200051273A KR 20200051273 A KR20200051273 A KR 20200051273A KR 102366169 B1 KR102366169 B1 KR 102366169B1
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South Korea
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cushioning
cover
buffer module
mat
backing paper
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KR1020200051273A
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Korean (ko)
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KR20210132857A (en
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이소헌
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이소헌
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/18Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/20Separately-laid insulating layers; Other additional insulating measures; Floating floors for sound insulation
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92Protection against other undesired influences or dangers
    • E04B1/98Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E04F2290/041Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against noise
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E04F2290/044Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against impact

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Floor Finish (AREA)
  • Building Environments (AREA)

Abstract

본 발명은 층간소음 방지매트에 관한 것으로서, 더욱 구체적으로는 충격흡수에 뛰어난 고양이 뒷다리와 같은 완충모듈과 완충 흡음재를 이용하여 충격을 1차 및 2차로 흡수할 수 있으면서도 충격소음도 흡수할 수 있는 층간소음 방지매트를 얻을 수 있도록 한 것이다.
즉, 본 발명은 EVA 재질의 표지와; 상기 표지와 일정간격으로 배치되는 EVA 재질의 이면지와; 상기 표지 및 이면지 사이에 등 간격 배열되는 EVA 재질의 완충모듈과; 상기 표지 및 이면지 사이의 완충모듈 배열 공간 외에 공간에 채워지는 우레탄 재질의 흡음재를 포함하고, 상기 완충모듈은, 경사방향이 동일한 판 형태의 제1완충재 및 제3완충재 사이에 상기 완충재들의 경사방향과 반대방향으로 경사진 판 형태의 제2완충재를 배치하여 관절로 제1,3완충재들과 일체화하되, 상기 제1완충재 상단 끝은 표지의 이면에, 제3완충재 하단 끝은 이면지의 표면에 고정하고, 상기 완충재들 사이에는 흡음재가 채워지도록 함으로써 충격흡수와 충격소음 방지를 동시에 이룰 수 있도록 한 것을 특징으로 하는 층간소음 방지매트를 제공할 수 있도록 한 것이다.
The present invention relates to an inter-floor noise prevention mat, and more specifically, to an inter-floor noise that can absorb shock noise as well as primary and secondary shocks by using a cushioning module such as a cat's hind legs excellent in shock absorption and a cushioning sound-absorbing material This was done so that an anti-mat can be obtained.
That is, the present invention provides a cover made of EVA material; a backing paper made of EVA material disposed at a predetermined distance from the cover; a buffer module made of EVA material arranged at equal intervals between the cover and the backing paper; In addition to the buffer module arrangement space between the cover and the back paper, it includes a sound absorbing material made of urethane material to be filled in the space, wherein the buffer module includes the first and third cushioning materials in the form of plates having the same inclination direction in the inclination direction of the cushioning materials and A second cushioning material in the form of a plate inclined in the opposite direction is arranged to be integrated with the first and third cushioning materials with a joint, and the upper end of the first cushioning material is fixed to the back surface of the cover and the lower end of the third cushioning material is fixed to the surface of the back paper, , It is intended to provide an interlayer noise prevention mat, characterized in that it is possible to simultaneously achieve shock absorption and impact noise prevention by filling a sound absorbing material between the cushioning materials.

Description

층간소음 방지매트{interlayer noise abatement mat}Interlayer noise abatement mat

본 발명은 아파트 등과 같은 다층 공동주택 및 기타 공동건물아래 층에 윗층 충격에 따른 소음을 최소화할 수 있는 층간소음 방지매트에 관한 것이다.The present invention relates to an inter-floor noise prevention mat that can minimize the noise caused by the impact on the upper floor on the lower floor of a multi-story apartment building, such as an apartment building.

예전부터 아파트나 연립식 주택과 같은 다층 공동주택의 주거자들 간에 층간소음 문제가 수시로 발생되고 있는데, 대부분 윗층 바닥에 가해지는 바닥 충격소음에 의한 분쟁이다. 이러한 분쟁을 회피하기 하기 위하여 통상적으로 완충 층이 단층구조인 매트를 사용하긴 하지만 대부분 바닥 충격소음의 실질적 방지효과를 얻을 수 없었다. Inter-floor noise problems have been occurring frequently among residents of multi-storey apartment buildings such as apartments or row houses, and most of them are disputes due to floor impact noise applied to the upper floors. In order to avoid such disputes, although a mat having a single-layer structure is usually used as a buffer layer, it is not possible to obtain a practical effect of preventing floor impact noise in most cases.

이에 바닥 충격소음을 감소 또는 방지시키고자 하는 다층 매트가 현재에도 다양하게 제안되고 있다. 대표적으로 발포성 합성수지 상측 완충재와 하측 완충재가 사이에 공기튜브를 배열하는 구성으로 된 특허등록 제1474899호 및 표면에 여러 개의 공기돌출부가 형성된 완충재를 표면재와 이면재 사이에 배치하는 구성으로 된 특허등록 제1745862호가 있다. Accordingly, various multi-layer mats for reducing or preventing floor impact noise have been proposed in various ways. Representatively, Patent Registration No. 1474899, which has a configuration in which an air tube is arranged between the upper cushioning material of the foamed synthetic resin and the lower cushioning material, and Patent Registration No. 1745862, which has a structure in which a cushioning material with several air protrusions formed on the surface is disposed between the surface material and the back material. there is an arc

그러나 위 등록특허들은 흡음 및 완충의 효과만 있을 뿐 충격을 흡수하는 효과가 기대 이하이어서 충격소음 차단 효율이 좋지 않았고, 또 반복적인 충격이나 온도 등에 의해 완충기능이 항상 동일하게 유지되지 못하는 문제가 있었다. However, the above registered patents have only the effect of sound absorption and buffering, but the effect of absorbing shock is less than expected, so the impact noise blocking efficiency was not good, and there was a problem that the buffer function was not always maintained the same due to repeated shocks or temperature. .

(KR)특허등록 제1474899호(KR) Patent Registration No. 1474899 (KR)특허등록 제1745862호(KR) Patent Registration No. 1745862

본 발명은 현재의 다층구조 매트에서 나타나는 문제들을 해결하기 위해 발명된 것으로, 본 발명의 목적은 층간소음의 방지효과가 극대화되고, 반복적인 완충작용에도 그 기능이 항상 유지되도록 함에 있다.The present invention was invented to solve the problems that appear in the current multi-layered mat, and an object of the present invention is to maximize the effect of preventing noise between floors, and to always maintain its function despite repeated buffering action.

본 발명에 의한 층간소음 방지매트는, EVA 재질의 표지와; 상기 표지와 일정간격으로 배치되는 EVA 재질의 이면지와; 상기 표지 및 이면지 사이에 등 간격 배열되는 EVA 재질의 완충모듈과; 상기 표지 및 이면지 사이의 완충모듈 배열 공간 외에 공간에 채워지는 우레탄 재질의 흡음재를 포함하고, 상기 완충모듈은, 경사방향이 동일한 판 형태의 제1완충재 및 제3완충재 사이에 상기 완충재들의 경사방향과 반대방향으로 경사진 판 형태의 제2완충재를 배치하여 관절로 제1,3완충재들과 일체화하되, 상기 제1완충재 상단 끝은 표지의 이면에, 제3완충재 하단 끝은 이면지의 표면에 고정하고, 상기 완충재들 사이에는 흡음재가 채워지도록 함으로써 충격흡수와 충격소음 방지를 동시에 이룰 수 있도록 한 것을 특징으로 하는 것이다.The interlayer noise prevention mat according to the present invention comprises: a cover made of EVA material; a backing paper made of EVA material disposed at a predetermined distance from the cover; a buffer module made of EVA material arranged at equal intervals between the cover and the backing paper; In addition to the buffer module arrangement space between the cover and the back paper, it includes a sound absorbing material made of urethane material to be filled in the space, wherein the buffer module includes the first and third cushioning materials in the form of plates having the same inclination direction in the inclination direction of the cushioning materials and A second cushioning material in the form of a plate inclined in the opposite direction is arranged to be integrated with the first and third cushioning materials with a joint, and the upper end of the first cushioning material is fixed to the back surface of the cover and the lower end of the third cushioning material is fixed to the surface of the back paper, , It is characterized in that it is possible to achieve both shock absorption and shock noise prevention by filling a sound absorbing material between the cushioning materials.

본 발명은 표지와 이면지 사이에 충격흡수에 뛰어난 고양이 뒷다리와 같은 완충모듈과 완충 흡음재를 구현함으로써 완충모듈을 통하여 충격을 1차 및 2차로 흡수할 수 있고, 흡음재를 통하여 충격흡수를 보조하고 동시에 충격소음도 흡수할 수 있으므로 충격에 의한 층간소음을 획기적으로 방지할 수 있는 효과가 있다. The present invention can absorb the shock primary and secondary through the buffer module by implementing a buffer module such as a cat's hind legs excellent in shock absorption between the cover and backing paper and a shock absorbing material, and assists in shock absorption through the sound absorbing material and at the same time shocks Since it can also absorb noise, it has the effect of remarkably preventing noise between floors due to impact.

도 1은 본 발명의 전체적인 구성을 표현한 분해 사시도
도 2는 도 1을 결합한 단면 예시도이다.
1 is an exploded perspective view showing the overall configuration of the present invention;
Figure 2 is a cross-sectional view combining Figure 1;

본 발명에 의한 과제의 해결수단을 해결하기 위한 구체적인 내용을 첨부한 도면과 함께 상세히 설명하면 아래와 같다. 다만, 첨부된 도면은 요부에 관한 설명의 편의를 위해 과장되거나 생략되거나 개략적으로 도시될 수 있고, 설명에 사용되는 용어 및 명칭은 사전적인 의미가 아닌 구성의 형상이나 작용, 역할 등에 의해 함축적으로 정해질 수 있으며, 방향에 관한 설명은 최초로 제시된 도면으로부터 최초로 제시한 방향을 기준으로 결정되며, 위치에 관한 설명은 각 구성의 중간 또는 원의 중심을 기준으로 내외가 결정된다. 그리고 선등록된 공지기술 및 통상적 기술에 대한 구체적인 설명은 요지를 흐릴 수 있어 생략 또는 간단한 부호나 명칭으로 대체한다. Detailed description for solving the problems according to the present invention with the accompanying drawings will be described in detail as follows. However, the accompanying drawings may be exaggerated, omitted, or schematically shown for the convenience of explanation regarding the main parts, and the terms and names used in the description are implicitly defined by the shape, action, role, etc. of the configuration rather than the dictionary meaning. It can be done, and the description of the direction is determined based on the direction first presented from the first presented drawing, and the description of the location is determined based on the center of each component or the center of the circle. In addition, detailed descriptions of pre-registered known technologies and conventional technologies may obscure the gist and are omitted or replaced with simple symbols or names.

또한, 도면을 통해 식별할 수 있는 구성의 구체적인 구조, 형상, 모양, 배치, 크기, 등과, 도면을 통해 유추할 수 있는 구성의 작동 및 그에 따른 작용효과 등도 요지를 흐릴 수 있어 상세한 설명을 생략할 수 있다.In addition, the specific structure, shape, shape, arrangement, size, etc. of the configuration that can be identified through the drawings, the operation of the configuration that can be inferred through the drawings, and the effect thereof may also obscure the subject, so detailed description will be omitted. can

본 발명의 층간소음 방지매트를 설명하기 위한 도면들을 참고하여 본 발명에 대해 설명하도록 하는데, 도 1은 본 발명의 바람직한 실시 예에 따른 분해사시도 고, 도 2는 도 1을 결합한 단면 예시도이다.The present invention will be described with reference to the drawings for explaining the interlayer noise prevention mat of the present invention. FIG. 1 is an exploded perspective view according to a preferred embodiment of the present invention, and FIG. 2 is a cross-sectional view combining FIG. 1 .

본 발명에 따른 층간소음 방지매트는, 표지(10), 이면지(20), 흡음재(30) 및 완충모듈(40)을 포함하는 구성으로 된다.The interlayer noise prevention mat according to the present invention is configured to include a cover (10), a backing paper (20), a sound absorbing material (30) and a buffer module (40).

상기 표지(10)와 이면지(20)는 두께가 얇은 판재 형태로서 그 재질은 에틸렌과 초산 비닐 모노머를 공중합시켜 얻어지는 중합체인 EVA(ethylene-vinyl acetate copolymer)로 한다. The cover 10 and the backing paper 20 are in the form of a thin plate, and the material is EVA (ethylene-vinyl acetate copolymer), which is a polymer obtained by copolymerizing ethylene and a vinyl acetate monomer.

상기 흡음재(30)는 기공이 많은 우레탄 재질로 하여 완충작용도 할 수 있도록 한다. The sound absorbing material 30 is made of a porous urethane material so that it can also act as a buffer.

상기 완충모듈(40)은 EVA 재질로 하고, 제1 내지 제3완충재(41, 42, 43)로 구분 구성하여 일체화하되, 제1완충재(41) 및 제3완충재(43)를 일정한 간격으로 두고 상하로 배치하여 어느 한 방향으로 경사지게 하며, 제2완충재(42)는 위 제1 및 제3완충재(41, 43)의 경사방향과 반대방향으로 경사지게 하여 완충모듈(40)의 전체적 형태가 고양이 뒷다리와 같이 대략 'Z'형으로 되도록 한 것이다. 여기서 제1완충재(41) 및 제3완충재(43) 사이의 간격은 표지(10)와 이면지(20) 사이의 간격과 같거나 작게하여야 한다.The buffer module 40 is made of EVA material, and is divided into first to third cushioning materials 41, 42, and 43 to be integrated, and the first cushioning material 41 and the third cushioning material 43 are spaced at regular intervals. The second cushioning material 42 is inclined in the opposite direction to the inclination direction of the first and third cushioning materials 41 and 43, so that the overall shape of the buffer module 40 is the cat's hind legs. It is made to be approximately 'Z' shape as shown. Here, the interval between the first cushioning material 41 and the third cushioning material 43 should be equal to or smaller than the interval between the cover 10 and the backing paper 20 .

위 구성요소들의 유기적 결합관계는, 일정간격으로 두고 나란히 배치되는 표지(10)와 이면지(20) 사이에 완충모듈(40)을 여러 개를 매트의 폭 방향으로 등 간격 배열되어 상기 완충모듈(40)의 제1완충재(41) 상단 끝은 표지(10)의 이면에, 제3완충재(43) 하단 끝은 이면지(20)의 표면에 고정되고, 표지(10)와 이면지(20) 사이의 나머지 공간에는 흡음재(30)가 채워지는 구성으로 된다. The organic coupling relationship of the above components is that a plurality of buffer modules 40 are arranged at equal intervals in the width direction of the mat between the cover 10 and the back paper 20 arranged side by side at regular intervals, so that the buffer module 40 ), the upper end of the first cushioning material 41 is fixed to the back surface of the cover 10 , and the lower end of the third cushioning material 43 is fixed to the surface of the backing paper 20 , and the remainder between the cover 10 and the backing paper 20 . The space has a configuration in which the sound absorbing material 30 is filled.

이와 같이 된 본 발명은 표지(10)와 이면지(20) 사이에 배열되는 완충모듈(40)의 제1완충재(41) 및 제3완충재(43)의 경사방향이 동일하고, 중간의 제2완충재(42)는 위 완충재들(41, 43)의 경사방향과 반대방향으로 구현되어 있으므로 표지(10)에 충격이 가해지면 'V'자가 누운 형태의 제1완충재(41)와 제2완충재(42)의 관절(50)이 1차로 충격을 흡수하고, 2차로 제2완충재(42) 및 제3완충재(43)의 관절(60)이 충격을 흡수할 뿐만 아니라 표지(10)와 이면지(20) 사이의 흡음재(30)도 흡수하므로 표지(10) 방향에서 이면지(20) 방향으로 가해지는 충격 대부분이 이면지(20)까지 도달하기 전에 소실(방지)되는 작용이 극대화된다. 이때 위 충격소음은 많은 기공을 가진 흡음재(30)에 의해 거의 소멸하게 된다.In the present invention as described above, the inclination directions of the first cushioning material 41 and the third cushioning material 43 of the cushioning module 40 arranged between the cover 10 and the backing paper 20 are the same, and the second cushioning material in the middle Since (42) is implemented in the opposite direction to the inclination direction of the above cushioning materials 41 and 43, when an impact is applied to the cover 10, the first cushioning material 41 and the second cushioning material 42 in the form of a 'V' lying down ) of the joint 50 primarily absorbs the shock, and secondly, the joint 60 of the second and third cushioning materials 42 and 43 absorbs the shock as well as the cover 10 and the back paper 20. Since the sound absorbing material 30 in between is also absorbed, the effect of dissipating (preventing) most of the impact applied from the direction of the cover 10 to the back paper 20 before reaching the back paper 20 is maximized. At this time, the above impact noise is almost eliminated by the sound absorbing material 30 having many pores.

이상의 이 발명은 이 발명에서 추구하고자 하는 구성의 원리와 그 원리의 이해를 돕고자 이 발명의 구성과 그 구성에 포함되는 구체적인 구성요소를 도면화하고, 그 도면을 기반으로 하여 설명을 한 것이며, 이 발명에 포함되는 구성 및 그 구체적인 구성요소는 추구하고자 하는 원리를 감안하여 구조, 형태, 모양, 배치, 방향, 수량이 결정되며 이를 필요에 따라 다양하게 변경할 수 있을 것이다. 이 발명에서 제시한 구성 및 그 구체적인 구성요소는 이 기술분야의 통상의 지식을 가진 자가 이 발명에서 얻고자 하는 효과와 그 효과로부터 더 나은 효과를 얻기 위해 어떠한 원리를 적용하는 것이 가장 바람직한 것인지를 예시한 것이다.In order to help the understanding of the principle and the principle of the configuration to be pursued in the present invention, the present invention described above is a drawing of the configuration of this invention and specific components included in the configuration, and has been described based on the drawing, The structure, form, shape, arrangement, direction, and quantity are determined in consideration of the principle to be pursued in the configuration and specific components included in this invention, and it will be able to be variously changed as necessary. The configuration and specific components thereof presented in this invention illustrate the effects that those of ordinary skill in the art want to achieve in this invention and what principle is most preferable to apply in order to obtain better effects from the effects. did it

10 : 표지 20 : 이면지
30 : 흡음재 40 : 완충모듈
41 : 제1완충재 42 : 제2완충재
43 : 제3완충재 50, 60 : 관절
10: cover 20: back paper
30: sound absorbing material 40: buffer module
41: first buffering material 42: second buffering material
43: third cushioning material 50, 60: joint

Claims (1)

EVA 재질의 표지(10)와;
상기 표지와 일정간격으로 배치되는 EVA 재질의 이면지(20)와;
상기 표지(10) 및 이면지(20) 사이에 등 간격 배열되는 EVA 재질의 완충모듈(40)과;
상기 표지(10) 및 이면지(20) 사이의 완충모듈(40) 배열 공간 외에 공간에 채워지는 우레탄 재질의 흡음재(30)를 포함하고,
상기 완충모듈(40)은, 경사방향이 동일한 판 형태의 제1완충재(41) 및 제3완충재(43) 사이에 상기 완충재(41)(43)들의 경사방향과 반대방향으로 경사진 판 형태의 제2완충재(42)를 배치하여 관절(50)로 제1,3완충재(41)(43)들과 일체화하되, 상기 제1완충재(41) 상단 끝은 표지(10)의 이면에, 제3완충재(43) 하단 끝은 이면지(20)의 표면에 고정하고, 상기 완충재들(41)(42)(43) 사이에는 흡음재(30)가 채워지도록 함으로써 충격흡수와 충격소음 방지를 동시에 이룰 수 있도록 한 것을 특징으로 하는 층간소음 방지매트.
EVA material cover (10) and;
a backing paper 20 made of EVA material disposed at a predetermined interval from the cover;
a buffer module 40 made of EVA material arranged at equal intervals between the cover 10 and the backing paper 20;
In addition to the buffer module 40 arrangement space between the cover 10 and the backing paper 20, it includes a sound absorbing material 30 made of urethane material that is filled in the space,
The buffer module 40 has a plate shape inclined in the opposite direction to the inclination direction of the cushioning materials 41 and 43 between the first cushioning material 41 and the third cushioning material 43 in the form of a plate having the same inclination direction. The second cushioning material 42 is arranged to be integrated with the first and third cushioning materials 41 and 43 through the joint 50, and the upper end of the first cushioning material 41 is on the back surface of the cover 10, the third The lower end of the cushioning material 43 is fixed to the surface of the backing paper 20, and the sound-absorbing material 30 is filled between the cushioning materials 41, 42, 43 so that both shock absorption and shock noise prevention can be achieved at the same time. Inter-floor noise prevention mat, characterized in that.
KR1020200051273A 2020-04-28 2020-04-28 interlayer noise abatement mat KR102366169B1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200448992Y1 (en) * 2008-05-22 2010-06-09 주식회사 에이브이티 Sound-proof Material Using in Structured Spring on Floors
KR101463079B1 (en) * 2014-05-28 2014-11-21 주식회사 엠플라이 Structures for impact absorption and noise protection
KR101607546B1 (en) * 2014-12-04 2016-03-31 주식회사 포스코 Construction materials

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101474899B1 (en) 2014-08-07 2014-12-19 이동훈 Mat for preventing a floor noise
KR101745862B1 (en) 2015-10-05 2017-06-12 안정배 Air mat for prevention noise between floors

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200448992Y1 (en) * 2008-05-22 2010-06-09 주식회사 에이브이티 Sound-proof Material Using in Structured Spring on Floors
KR101463079B1 (en) * 2014-05-28 2014-11-21 주식회사 엠플라이 Structures for impact absorption and noise protection
KR101607546B1 (en) * 2014-12-04 2016-03-31 주식회사 포스코 Construction materials

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