JP2008051469A - Electric floor heating panel - Google Patents

Electric floor heating panel Download PDF

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JP2008051469A
JP2008051469A JP2006230954A JP2006230954A JP2008051469A JP 2008051469 A JP2008051469 A JP 2008051469A JP 2006230954 A JP2006230954 A JP 2006230954A JP 2006230954 A JP2006230954 A JP 2006230954A JP 2008051469 A JP2008051469 A JP 2008051469A
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floor heating
heater
heating panel
cord
electric floor
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Kazuhiro Miwa
和弘 三輪
Takao Inoue
貴雄 井上
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Eidai Co Ltd
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Eidai Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To prevent fatigue and the like caused by repeated load on a cord-like heater 54 and simultaneously to improve sound insulation, in an electric floor heating panel A constituted by wiring the cord-like heater 54 in wiring grooves 53. <P>SOLUTION: In this electric floor heating panel provided with the plurality of wiring grooves 53 longitudinally formed on a rear surface of a long wood base material 50A to wire the cord-like heater 54 therein, the wood base material 50A is provided with a number of sound insulation grooves 57 in parallel to a short side so that they intersect the wiring grooves 53. A groove width w of the wiring grooves 53 is wider than a diameter d of the cord-like heater 54. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は電気式床暖房パネルに関し、特に発熱源としてコード状ヒータを備える電気式床暖房パネルに関する。   The present invention relates to an electric floor heating panel, and more particularly to an electric floor heating panel including a cord heater as a heat source.

木質基材の裏面に面ヒータや線ヒータを組み込んだ電気式床暖房パネルを用いて床暖房構造を施工することは知られている。特許文献1には面ヒータを用いた電気式床暖房パネルの一例が記載され、特許文献2にはコード状ヒータを用いた電気式床暖房パネルが記載されている。床暖房構造としたときの遮音性能を高めるために、木質基材に遮音溝を形成することも行われており、また、ヒータを組み込んだ木質基材の裏面に弾性を持つ緩衝材が貼り付けて、いわゆる直貼りタイプの電気式床暖房パネルとすることも行われている。   It is known to construct a floor heating structure using an electric floor heating panel in which a surface heater or a wire heater is incorporated on the back surface of a wooden substrate. Patent Document 1 describes an example of an electric floor heating panel using a surface heater, and Patent Document 2 describes an electric floor heating panel using a cord heater. In order to improve the sound insulation performance when the floor heating structure is used, a sound insulation groove is also formed in the wooden base material, and an elastic cushioning material is attached to the back surface of the wooden base material incorporating the heater. Thus, a so-called direct bonding type electric floor heating panel is also used.

特許文献1に記載の電気式床暖房パネルは、長辺側は直線状であり短辺側は雁木状とされた長尺状の木質基材の裏面に短辺側と平行な多数の遮音溝を形成し、該木質基材の裏面に、伸張性を有するシート、面ヒータおよび緩衝材をこの順で積層するようにしている。この形態の木質基材のように、短辺側と平行な多数の遮音溝を形成することにより、木質基材の可撓性が大きくなり、電気式床暖房パネルとして、衝撃音に対する十分な遮音性能が確保される。   The electric floor heating panel described in Patent Document 1 has a large number of sound insulation grooves parallel to the short side on the back side of a long wooden substrate in which the long side is straight and the short side is a cocoon shape. The sheet having the extensibility, the surface heater, and the cushioning material are laminated in this order on the back surface of the wooden base material. By forming a large number of sound insulation grooves parallel to the short side like the wood substrate in this form, the flexibility of the wood substrate is increased, and as an electric floor heating panel, sufficient sound insulation against impact sounds Performance is ensured.

製造に当たっても、可撓性の大きい木質基材を平坦面上に置き、その上に伸張性を有するシート、面ヒータおよび緩衝材をこの順で積層すればよく、製造も容易である。また、床暖房構造を施工するとき、また施工後に表面から荷重がかかったときに、電気式床暖房パネルに曲がりや沈み込みが生じやすいが、面ヒータはそれにある程度は追従することができ、格別の支障は生じない。   Even in manufacturing, a highly flexible wood base material is placed on a flat surface, and an extensible sheet, a surface heater, and a cushioning material may be laminated in this order, and manufacturing is also easy. Also, when a floor heating structure is constructed or when a load is applied from the surface after construction, the electric floor heating panel is likely to bend or sink, but the surface heater can follow it to some extent, There will be no trouble.

特許文献2に記載の電気式床暖房パネルのように、発熱源としてコード状ヒータを用いる場合には、木質基材の裏面にコード状ヒータを配線するための配線溝が形成され、電気式床暖房パネルの製造時に、該配線溝の中にコード状ヒータが埋め込まれる。埋め込み作業を容易化するために、実際の床暖房パネルで使用される木質基材では、配線溝の横幅は埋め込もうとするコード状ヒータの直径と同じとされ、上から溝内にコード状ヒータを押し込むだけで、摩擦力によりコード状ヒータが溝内に固定されるようにされている。   When a cord-like heater is used as a heat source as in the electric floor heating panel described in Patent Document 2, a wiring groove for wiring the cord-like heater is formed on the back surface of the wooden substrate, and the electric floor When the heating panel is manufactured, a cord-like heater is embedded in the wiring groove. In order to facilitate the embedding work, in the wooden base material used in the actual floor heating panel, the width of the wiring groove is the same as the diameter of the cord-shaped heater to be embedded, and the cord-like shape is inserted into the groove from above. The cord-like heater is fixed in the groove by a frictional force only by pushing the heater.

特開2002−106869号公報JP 2002-106869 A 特開2005−120810号公報JP 2005-120810 A

特許文献2に記載の形態の電気式床暖房パネル、すなわち木質基材の裏面に形成した配線溝内にコード状ヒータを配線した電気式床暖房パネルにおいて、特に裏面に緩衝材を貼り付けた場合には、施工後に表面から荷重がかかったときにパネル(木質基材)の沈み込みが生じやすく、歩行等による上からの荷重が繰り返し加わると、配線溝内に組み込んだコード状ヒータに木質基材のひずみに起因する応力が繰り返しかかる。そのような繰り返し応力に耐え得るようにコード状ヒータは外皮コーティング等に十分な配慮がなされているが、そのためにコード状ヒータのコストが高くなっている。   In the electric floor heating panel of the form described in Patent Document 2, that is, in the electric floor heating panel in which the cord-like heater is wired in the wiring groove formed on the back surface of the wooden base material, in particular, when a cushioning material is pasted on the back surface In some cases, the panel (woody base material) is likely to sink when a load is applied from the surface after construction, and if a load from above due to walking or the like is repeatedly applied, the cord-like heater incorporated in the wiring groove Stress due to material distortion is repeatedly applied. In order to withstand such repetitive stresses, the cord heater is sufficiently considered for the outer coating and the like, but the cost of the cord heater is increased.

遮音性を向上させるべく木質基材に、その短辺側と平行に多数の遮音溝を形成すると木質基材の可撓性が大きくなことから、前記した上からの荷重による木質基材の反り等がさらに生じやすくなり、配線溝内に組み込んだコード状ヒータに繰り返し応力が一層かかりやすくなる。そのために、特許文献2に記載される形態の電気式床暖房パネル(すなわち、コード状ヒータを用いる電気式床暖房パネル)では、配線溝に平行な方向に遮音溝を形成して木質基材に可撓性を与えるようにしているが、十分な可撓性が得られていない。また、この場合でも、木質基材の沈み込みによる繰り返し荷重が配線溝内に嵌入されたコード状ヒータに直接作用するのを避けることはできない。   If a large number of sound insulation grooves are formed on the wooden base material in parallel to the short side to improve the sound insulation, the wooden base material becomes more flexible. Etc. are more likely to occur, and repeated stress is more easily applied to the cord-like heater incorporated in the wiring groove. Therefore, in the electric floor heating panel of the form described in Patent Document 2 (that is, the electric floor heating panel using a cord-like heater), a sound insulation groove is formed in a direction parallel to the wiring groove to form a wooden substrate. Although flexibility is provided, sufficient flexibility is not obtained. Even in this case, it is unavoidable that a repeated load due to the sinking of the wooden base material directly acts on the cord-like heater inserted in the wiring groove.

本発明は、上記のような事情に鑑みてなされたものであり、配線溝内にコード状ヒータを配線する形態の電気式床暖房パネルにおいて、コード状ヒータに繰り返し荷重がかかるのを回避することができ、同時に遮音性も向上させることができる電気式床暖房パネルを提供することを目的とする。   The present invention has been made in view of the above circumstances, and in an electric floor heating panel in which a cord-like heater is wired in a wiring groove, avoiding repeated loading on the cord-like heater. An object of the present invention is to provide an electric floor heating panel that can improve sound insulation at the same time.

本発明による電気式床暖房パネルは、長辺側は直線状であり短辺側は直線状または雁木状とされた長尺状の木質基材の裏面に長辺方向に沿う複数の配線溝が形成され、該配線溝にはコード状ヒータを配線されている電気式床暖房パネルであって、木質基材には前記配線溝に交差するようにして短辺に平行な多数の遮音溝が形成されており、かつ前記配線溝の溝幅はコード状ヒータの直径よりも広く形成されていることを特徴とする。   In the electric floor heating panel according to the present invention, a plurality of wiring grooves along the long side direction are formed on the back surface of the long wooden substrate in which the long side is linear and the short side is linear or wood. An electric floor heating panel formed with a cord-like heater formed in the wiring groove, and a number of sound insulation grooves parallel to the short side are formed in the wood base so as to intersect the wiring groove The width of the wiring groove is wider than the diameter of the cord heater.

上記の電気式床暖房パネルでは、木質基材は短辺に平行に多数の遮音溝が形成されており、高い可撓性が得られる。一方、長手方向に走る配線溝の溝幅はそこに配線するコード状ヒータの直径よりも大きな溝幅とされており、木質基材のひずみによる応力がコード状ヒータに伝わる程度は大きく緩和される。そのために、本発明による電気式床暖房パネルを用いて構築された床暖房構造において、衝撃音に対する高い遮音性が得られることに加え、比較的低コストのコード状ヒータを採用しても、繰り返し荷重により生じる疲労等によりコード状ヒータが損傷するのを効果的に回避することができる。   In the electric floor heating panel described above, the wooden base material has a large number of sound insulation grooves formed in parallel to the short sides, and high flexibility is obtained. On the other hand, the groove width of the wiring groove running in the longitudinal direction is larger than the diameter of the cord-like heater wired there, and the degree to which the stress due to the distortion of the wood base material is transmitted to the cord-like heater is greatly relieved. . Therefore, in the floor heating structure constructed using the electric floor heating panel according to the present invention, in addition to obtaining high sound insulation against impact sound, even if a relatively low cost cord-like heater is adopted, it is repeated. It is possible to effectively avoid damage to the cord-like heater due to fatigue caused by the load.

前記配線溝の溝幅はコード状ヒータの直径の1.1〜1.3倍の範囲であることが好ましい。本発明者らの実験では、1.1倍よりも小さい溝幅の場合は、木質基材側の挙動が配線溝を通してコード状ヒータに伝達される可能性が高くなり好ましくなく、また、1.3倍を超えるような溝幅の場合は、コード状ヒータから木質基材側への熱伝達効率が低下するので好ましくなかった。   The width of the wiring groove is preferably in the range of 1.1 to 1.3 times the diameter of the cord heater. In the experiments by the present inventors, when the groove width is smaller than 1.1 times, it is not preferable because the behavior on the wooden substrate side is likely to be transmitted to the cord-like heater through the wiring groove. In the case of a groove width exceeding 3 times, the heat transfer efficiency from the cord-shaped heater to the wooden substrate side is not preferable.

本発明による電気式床暖房パネルにおいて、木質基材の裏面に緩衝材が貼り付けられていることは好ましく、より高い歩行感が得られる。この場合に、電気式床暖房パネルの沈み込み量は大きくなるが、前記のように、木質基材の挙動がコード状ヒータに直接伝達されるのは回避できるので、コード状ヒータに悪影響を与えることはない。なお、木質基材は、3プライ、5プライ、7プライ等の合板基材であってもよく、MDFのような木質系の基材であってもよく、無垢材による基材であってもよい。木質基材の表面に化粧単板等の化粧材が積層されていてもよい。   In the electric floor heating panel according to the present invention, it is preferable that a cushioning material is attached to the back surface of the wooden base material, and a higher walking feeling can be obtained. In this case, although the sinking amount of the electric floor heating panel is increased, as described above, it is possible to avoid the behavior of the wooden base material being directly transmitted to the cord heater, which adversely affects the cord heater. There is nothing. The wood substrate may be a plywood substrate such as 3 ply, 5 ply, or 7 ply, may be a wood-based substrate such as MDF, or may be a substrate made of a solid material. Good. A decorative material such as a decorative veneer may be laminated on the surface of the wooden substrate.

本発明によれば、配線溝内にコード状ヒータを配線する形態の電気式床暖房パネルにおいて、コード状ヒータに繰り返し荷重による疲労等が生じるのを回避することができ、かつ遮音性も向上させることができる。それにより、低コストで住環境に優れた電気式床暖房構造を構築することができる。   According to the present invention, in an electric floor heating panel in which a cord heater is wired in a wiring groove, it is possible to avoid fatigue and the like due to repeated load on the cord heater, and to improve sound insulation. be able to. Thereby, the electric floor heating structure excellent in the living environment at low cost can be constructed.

以下、図面を参照しながら、本発明を実施の形態に基づき説明する。図1は本発明による電気式床暖房パネルの一例を示す平面図、図2は図1のI−I線による断面図、図3は図1のII−II線による断面図である。図4は図1に示す電気式床暖房パネルの底面図であり、緩衝材層は外してある。図5は図1に示す電気式床暖房パネルにおける配線溝とコード状ヒータとの関係を説明するための図である。   Hereinafter, the present invention will be described based on embodiments with reference to the drawings. 1 is a plan view showing an example of an electric floor heating panel according to the present invention, FIG. 2 is a cross-sectional view taken along line II of FIG. 1, and FIG. 3 is a cross-sectional view taken along line II-II of FIG. FIG. 4 is a bottom view of the electric floor heating panel shown in FIG. 1, with the cushioning material layer removed. FIG. 5 is a view for explaining the relationship between wiring grooves and cord heaters in the electric floor heating panel shown in FIG.

図示される本発明による電気式床暖房パネルAにおいて、木質基材50Aは、図2に示すように、周囲に雄実51と雌実52が形成された長尺状の単位ピース50が長手方向に位置をずらしながら雁木状に組み付けられて、1つの木質基材50Aとされている。すなわち、図1に示すように、木質基材50Aは、長辺側は直線状であり、短辺側は雁木状とされた長尺状である。図示しないが、短辺側も直線状である全体が長方形であってもよい。木質基材50Aの全体としての大きさは、300mm×900mm程度である。各単位ピース50には合板が用いられ、厚みは8mm程度である。各単位ピース50の表面には突き板等の表面化粧材(不図示)が好ましくは積層される。   In the illustrated electric floor heating panel A according to the present invention, as shown in FIG. 2, the wood base material 50 </ b> A has a long unit piece 50 in which a male fruit 51 and a female fruit 52 are formed in the longitudinal direction. The wooden base material 50A is assembled in the shape of an eaves while shifting the position. That is, as shown in FIG. 1, the wood base 50 </ b> A has a long shape in which the long side is linear and the short side is an oak. Although not shown, the entire short side may be a rectangle. The overall size of the wooden substrate 50A is about 300 mm × 900 mm. A plywood is used for each unit piece 50, and the thickness is about 8 mm. A surface decorative material (not shown) such as a veneer is preferably laminated on the surface of each unit piece 50.

各単位ピース50の裏面には、図4に示すように、主に長辺方向に沿うようにして単位ピース当たり3本の配線溝53がUターン部等で連続するように形成されており、隣接する単位ピース50の接合部でも配線溝53同士は連続している。連続する配線溝53の中には、コード状ヒータ54が埋め込まれており、コード状ヒータ54の端部はコネクターに55、56に電気的に接続している。   On the back surface of each unit piece 50, as shown in FIG. 4, three wiring grooves 53 per unit piece are formed so as to be continuous along the U-side, mainly along the long side direction. The wiring grooves 53 are continuous even at the joint between adjacent unit pieces 50. A cord-shaped heater 54 is embedded in the continuous wiring groove 53, and the end of the cord-shaped heater 54 is electrically connected to the connectors 55 and 56.

この例で、図5に示すように、コード状ヒータ54の直径dは2.8mmであり、配線溝53の溝深さhはほぼ2.8mm、溝幅wはほぼ3.2mmとされている。すなわち、配線溝53の溝幅wはコード状ヒータ54の直径dより広く、この例では、配線溝53の溝幅wはコード状ヒータ54の直径dの1.15倍程度である。   In this example, as shown in FIG. 5, the diameter d of the cord-shaped heater 54 is 2.8 mm, the groove depth h of the wiring groove 53 is approximately 2.8 mm, and the groove width w is approximately 3.2 mm. Yes. That is, the groove width w of the wiring groove 53 is wider than the diameter d of the cord heater 54. In this example, the groove width w of the wiring groove 53 is about 1.15 times the diameter d of the cord heater 54.

また、各単位ピース50の裏面には、配線溝53に交差するようにして単位ピース50の短辺に平行な多数の遮音溝57が形成されている。限定されるものではないが、この例において、遮音溝57の溝幅はほぼ2mm、各遮音溝57間のピッチはほぼ15mm程度である。   A large number of sound insulation grooves 57 parallel to the short sides of the unit pieces 50 are formed on the back surface of each unit piece 50 so as to intersect the wiring grooves 53. Although not limited, in this example, the width of the sound insulation groove 57 is approximately 2 mm, and the pitch between the sound insulation grooves 57 is approximately 15 mm.

木質基材50Aの裏面には、コネクター55、56の収容部を除いて、全面に緩衝材60が貼り付けられている。この例において、緩衝材60は、図2,図3に示すように、不織布層61と樹脂発泡体層62との2層構成であり、不織布層61が木質基材50Aの裏面側に面して積層されている。不織布層61と樹脂発泡体層62はともに4mm程度の厚さであり、緩衝材60の全体厚さはほぼ8mmである。従って、上記した電気式床暖房パネルAの厚さはほぼ16mm程度である。好ましくは、前記不織布層61はポリエチレン繊維製の不織布で形成され、前記樹脂発泡体層62はポリウレタンの発泡体で形成される。なお、緩衝材60はこの構成に限られるものではなく、例えば不織布層61のみ、樹脂発泡体層62のみ等、任意である。緩衝材60そのものを省略することもできる。   A buffer material 60 is attached to the entire back surface of the wooden base material 50 </ b> A except for the housing portions of the connectors 55 and 56. In this example, as shown in FIGS. 2 and 3, the cushioning material 60 has a two-layer configuration of a nonwoven fabric layer 61 and a resin foam layer 62, and the nonwoven fabric layer 61 faces the back surface side of the wooden substrate 50A. Are stacked. Both the nonwoven fabric layer 61 and the resin foam layer 62 are about 4 mm thick, and the total thickness of the cushioning material 60 is about 8 mm. Therefore, the thickness of the electric floor heating panel A described above is approximately 16 mm. Preferably, the nonwoven fabric layer 61 is formed of a nonwoven fabric made of polyethylene fiber, and the resin foam layer 62 is formed of a polyurethane foam. The buffer material 60 is not limited to this configuration, and may be arbitrary, for example, only the nonwoven fabric layer 61, only the resin foam layer 62, or the like. The cushioning material 60 itself can be omitted.

上記の電気式床暖房パネルAが、例えばコンクリートスラブのような床下地の上に電気的に接続しながら敷き詰められることにより、電気式床暖房構造とされる。この電気式床暖房パネルAは、木質基材50Aの裏面には、配線溝53に交差するようにして短辺に平行な多数の遮音溝57が形成されており、全体としての可撓性が向上して高い遮音性能が得られる。   The above-described electric floor heating panel A is laid down while being electrically connected to a floor base such as a concrete slab, thereby forming an electric floor heating structure. In the electric floor heating panel A, a large number of sound insulation grooves 57 parallel to the short sides are formed on the back surface of the wood base material 50A so as to intersect the wiring grooves 53, and the overall flexibility is improved. Improves high sound insulation performance.

一方、木質基材50Aの可撓性が高くなることにより、電気式床暖房パネルAに上からの荷重がかかったときに、木質基材50A(単位ピース50)の反り等のひずみが出やすくなる。図示のもののように、裏面に緩衝材60を積層した場合には、その弾性変形により、電気式床暖房パネルAに沈み込みが生じ、それによっても木質基材50Aにはひずみが生じる。   On the other hand, due to the increased flexibility of the wooden substrate 50A, when the electric floor heating panel A is loaded from above, distortion such as warpage of the wooden substrate 50A (unit piece 50) is likely to occur. Become. When the cushioning material 60 is laminated on the back surface as shown in the drawing, the elastic floor deformation causes sinking in the electric floor heating panel A, which also causes distortion in the wooden base material 50A.

しかし、本発明による電気式床暖房パネルAでは、木質基材50Aの主に長手方向に走る配線溝53の溝幅wはそこに配線するコード状ヒータ54の直径dよりも大きな溝幅とされており、木質基材50Aのひずみによる応力がコード状ヒータ54に伝わる程度は大きく緩和される。そのために、本発明による電気式床暖房パネルAを用いて構築された床暖房構造においては、衝撃音に対する高い遮音性が得られることに加え、繰り返し荷重がかかることによる疲労等によってコード状ヒータ54が損傷するのを効果的に回避することができる。   However, in the electric floor heating panel A according to the present invention, the groove width w of the wiring groove 53 running mainly in the longitudinal direction of the wooden base material 50A is set to be larger than the diameter d of the cord-like heater 54 wired there. Therefore, the degree to which the stress due to the strain of the wooden base material 50A is transmitted to the cord-like heater 54 is greatly relieved. Therefore, in the floor heating structure constructed by using the electric floor heating panel A according to the present invention, in addition to obtaining high sound insulation against impact sound, the cord-like heater 54 is caused by fatigue caused by repeated load. Can be effectively avoided.

本発明による電気式床暖房パネルの一例を示す平面図。The top view which shows an example of the electric type floor heating panel by this invention. 図1のI−I線による断面図。Sectional drawing by the II line | wire of FIG. 図1のII−II線による断面図。Sectional drawing by the II-II line of FIG. 図1に示す電気式床暖房パネルから緩衝材を外した状態での底面図。The bottom view in the state which removed the shock absorbing material from the electric type floor heating panel shown in FIG. 図1に示す電気式床暖房パネルにおける配線溝とコード状ヒータとの関係を説明するための図。The figure for demonstrating the relationship between the wiring groove | channel and cord-shaped heater in the electric floor heating panel shown in FIG.

符号の説明Explanation of symbols

A…本発明による電気式床暖房パネル、50A…木質基材、50…単位ピース、51…雄実51、52…雌実、53…配線溝、54…コード状ヒータ、55,56…コネクター、57…遮音溝、60…緩衝材、61…不織布層、62…樹脂発泡体層 A ... Electric floor heating panel according to the present invention, 50A ... wood substrate, 50 ... unit piece, 51 ... male 51, 52 ... female, 53 ... wiring groove, 54 ... cord heater, 55,56 ... connector, 57 ... Sound insulation groove, 60 ... Buffer material, 61 ... Non-woven fabric layer, 62 ... Resin foam layer

Claims (3)

長辺側は直線状であり短辺側は直線状または雁木状とされた長尺状の木質基材の裏面に長辺方向に沿う複数の配線溝が形成され、該配線溝にはコード状ヒータが配線されている電気式床暖房パネルであって、木質基材には前記配線溝に交差するようにして短辺に平行な多数の遮音溝が形成されており、かつ前記配線溝の溝幅はコード状ヒータの直径よりも広く形成されていることを特徴とする電気式床暖房パネル。   A plurality of wiring grooves along the long side direction are formed on the back side of the long wooden base material in which the long side is linear and the short side is linear or insulative. An electric floor heating panel in which a heater is wired, wherein the wooden base material has a number of sound insulation grooves parallel to the short sides so as to intersect the wiring grooves, and the grooves of the wiring grooves An electric floor heating panel characterized in that the width is formed wider than the diameter of the cord heater. 前記配線溝の溝幅はコード状ヒータの直径の1.1〜1.3倍の範囲であることを特徴とする請求項1に記載の電気式床暖房パネル。   The electric floor heating panel according to claim 1, wherein the width of the wiring groove is in a range of 1.1 to 1.3 times the diameter of the cord heater. 木質基材の裏面には緩衝材が貼り付けられていることを特徴とする請求項1または2に記載の電気式床暖房パネル。   The electric floor heating panel according to claim 1 or 2, wherein a cushioning material is attached to the back surface of the wooden substrate.
JP2006230954A 2006-08-28 2006-08-28 Electric floor heating panel Pending JP2008051469A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102622006B1 (en) * 2023-02-09 2024-01-10 주식회사 엠에스테크 Assembly type-strengthened floor integrated ondol panel

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08165790A (en) * 1994-12-15 1996-06-25 Matsushita Electric Works Ltd Soundproof and floor heating material
JPH1194277A (en) * 1997-09-25 1999-04-09 Daikin Ind Ltd Floor heating panel
JP2001082752A (en) * 1999-09-14 2001-03-30 Sekisui Chem Co Ltd Floor heating panel
JP2005315502A (en) * 2004-04-28 2005-11-10 Eidai Co Ltd Floor heating panel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08165790A (en) * 1994-12-15 1996-06-25 Matsushita Electric Works Ltd Soundproof and floor heating material
JPH1194277A (en) * 1997-09-25 1999-04-09 Daikin Ind Ltd Floor heating panel
JP2001082752A (en) * 1999-09-14 2001-03-30 Sekisui Chem Co Ltd Floor heating panel
JP2005315502A (en) * 2004-04-28 2005-11-10 Eidai Co Ltd Floor heating panel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102622006B1 (en) * 2023-02-09 2024-01-10 주식회사 엠에스테크 Assembly type-strengthened floor integrated ondol panel

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