JPH0350177B2 - - Google Patents
Info
- Publication number
- JPH0350177B2 JPH0350177B2 JP57226653A JP22665382A JPH0350177B2 JP H0350177 B2 JPH0350177 B2 JP H0350177B2 JP 57226653 A JP57226653 A JP 57226653A JP 22665382 A JP22665382 A JP 22665382A JP H0350177 B2 JPH0350177 B2 JP H0350177B2
- Authority
- JP
- Japan
- Prior art keywords
- channel
- heat storage
- joists
- storage material
- heating element
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 238000010438 heat treatment Methods 0.000 claims description 38
- 238000005338 heat storage Methods 0.000 claims description 24
- 239000011232 storage material Substances 0.000 claims description 24
- 239000011810 insulating material Substances 0.000 claims description 14
- 239000011257 shell material Substances 0.000 claims description 6
- 238000009408 flooring Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 239000012774 insulation material Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 239000011426 gypsum mortar Substances 0.000 description 2
- 239000003350 kerosene Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229920006248 expandable polystyrene Polymers 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000011431 lime mortar Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D13/00—Electric heating systems
- F24D13/02—Electric heating systems solely using resistance heating, e.g. underfloor heating
- F24D13/022—Electric heating systems solely using resistance heating, e.g. underfloor heating resistances incorporated in construction elements
- F24D13/024—Electric heating systems solely using resistance heating, e.g. underfloor heating resistances incorporated in construction elements in walls, floors, ceilings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Central Heating Systems (AREA)
Description
【発明の詳細な説明】
本発明は床暖房ユニツトに関し、より詳細には
根太間隔に挿入するだけで装着することができ
る、施工が極めて簡単な床暖房ユニツトに関す
る。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a floor heating unit, and more particularly to a floor heating unit that is extremely easy to install and can be installed by simply inserting it between the joists.
従来、たとえば部屋を暖房するには、たたみ、
或は床にカーペツトを敷いたり、または電気スト
ーブや石油ストーブが用いられていた。しかしな
がら、単にカーペツトを敷いただけでは、暖房空
間の温度低下、特に夜間の急激な温度低下を補な
うことはできず、電気ストーブや石油ストーブで
は火炎の発生や空気汚染の問題を回避することは
不可能であつた。 Traditionally, for example, to heat a room, you would fold the
Alternatively, carpets were laid on the floor, or electric or kerosene stoves were used. However, simply laying carpet cannot compensate for the temperature drop in the heated space, especially the sudden drop in temperature at night, and electric and kerosene stoves cannot avoid the problems of flame generation and air pollution. It was impossible.
そこで本発明は、かかる従来の欠点を解消すべ
くなされたものであり、根太間隔に装着するだけ
で良いので施工が一段と容易になり、暖房空間に
露出しないので居住空間をせばめることなく、ま
た取りはずしも極めて容易である等の特長を有す
るものである。 Therefore, the present invention has been made to solve these conventional drawbacks, and since it only needs to be installed at intervals between the joists, construction is much easier, and since it is not exposed to the heating space, it does not constrict the living space. It has features such as being extremely easy to remove.
すなわち本発明の床暖房ユニツトは、外殻材で
形成した断面コ字状のチヤンネルからなり、該チ
ヤンネルは所定の長さと、並設した根太の間隔よ
りも狭い巾を有しており、該チヤンネルの両側壁
上端部に前記根太上面への載架係止面部をそれぞ
れ設け、該チヤンネル内の下部に断熱材を充填
し、該断熱材上に載置した通電発熱体上に蓄熱材
を充填したことを特徴とするものである。 That is, the floor heating unit of the present invention consists of a channel formed of a shell material and having a U-shaped cross section, and the channel has a predetermined length and a width narrower than the interval between the joists arranged in parallel. At the upper ends of both side walls, a mounting surface for mounting on the upper surface of the joist was provided, a heat insulating material was filled in the lower part of the channel, and a heat storage material was filled on the energized heating element placed on the heat insulating material. It is characterized by this.
以下、本発明を図面に示した実施例にもとづき
説明する。 The present invention will be described below based on embodiments shown in the drawings.
第１図は本発明の第１実施例を示す斜視説明
図、第２図はそのＹ−Ｙ矢視断面図であり、土台
１１の上に設けたツカ１２に大引１３を渡し、大
引１３上に根太１４が一定間隔で設けられてお
り、並設した根太１４，１４の間に本発明の床暖
房ユニツト１０が装着されている。床暖房ユニツ
ト１０は、第２図にも示すように、外殻材で形成
した断面コ字状のチヤンネル１５からなり、この
チヤンネル１５は所定の長さと並設した根太間隔
よりも狭い巾を有しており、更にこのチヤンネル
の両側壁１６，１６上端部に根太１４，１４上面
への載架係止面部１７，１７がチヤンネル１５の
長手方向の全域にわたつて設けられている。チヤ
ンネル１５の長さは任意に決定することができ、
またその巾も隣接する根太１４，１４の間隔より
も小さい範囲内で適宜選定することができる。ま
た載架係止面部１７，１７には釘穴１８を設ける
こともできる。 FIG. 1 is a perspective explanatory view showing the first embodiment of the present invention, and FIG. 2 is a sectional view taken along the Y-Y arrow. Joists 14 are provided on the joists 13 at regular intervals, and the floor heating unit 10 of the present invention is installed between the joists 14, 14 arranged in parallel. As shown in FIG. 2, the floor heating unit 10 consists of a channel 15 made of shell material and having a U-shaped cross section. In addition, at the upper ends of both side walls 16, 16 of this channel, mounting locking surfaces 17, 17 for engaging the upper surfaces of the joists 14, 14 are provided over the entire length of the channel 15. The length of the channel 15 can be arbitrarily determined,
Further, the width thereof can be appropriately selected within a range smaller than the interval between adjacent joists 14, 14. Further, nail holes 18 may be provided in the rack locking surfaces 17, 17.
チヤンネル１５の内部下部には、断熱材１９が
配設され、また断熱材１９の上部には蓄熱材２０
が積層されており、蓄熱材２０には断熱材１９に
近接して通電発熱体２１が埋設されていて、蓄熱
材２０の上面は載架係止面部１７，１７と面一状
態にある。 A heat insulating material 19 is disposed in the lower part of the inside of the channel 15, and a heat storage material 20 is disposed in the upper part of the insulating material 19.
are laminated, and an energized heating element 21 is embedded in the heat storage material 20 in the vicinity of the heat insulating material 19, and the upper surface of the heat storage material 20 is flush with the rack locking surfaces 17, 17.
ここで、チヤンネル１５を形成する外殻材とし
ては、金属、プラスチツク、木材などを適宜用い
ることができる。また、断熱材１９としては、発
泡ポリウレタン、発泡ポリエチレン、発泡ポリス
チレンなどの合成樹脂発泡体が通常用いられ、接
着剤によつてチヤンネル１５に接着されている。 Here, as the outer shell material forming the channel 15, metal, plastic, wood, etc. can be used as appropriate. Further, as the heat insulating material 19, a synthetic resin foam such as foamed polyurethane, foamed polyethylene, or foamed polystyrene is usually used, and is bonded to the channel 15 with an adhesive.
蓄熱材２０には、石膏モルタル、石灰モルタ
ル、セメントモルタル、或は潜熱を利用した蓄熱
材などが用いられ、断熱材１９上に、たとえば石
膏モルタルを液状で流し込み、通電発熱体２１を
埋設しながら固化せしめる。通電発熱体２１とし
ては、通電により発熱するものであれば如何なる
種類であつても用いることができるが、発熱の均
一性を考慮すれば、図示の如き面状発熱体の使用
が好ましい。 As the heat storage material 20, gypsum mortar, lime mortar, cement mortar, or a heat storage material that utilizes latent heat is used. For example, gypsum mortar is poured in liquid form onto the heat insulation material 19, and while the energizing heating element 21 is buried. Let solidify. Any type of energizing heating element 21 can be used as long as it generates heat when energized, but in consideration of uniformity of heat generation, it is preferable to use a planar heating element as shown.
面状発熱体とは、すでに知られているように、
導電性の粉末を合成樹脂に混入してなる平板状物
に電極を間隔を置いて埋設した面状の発熱素子を
絶縁性の合成樹脂シートで被覆し、電極にリード
線を取付けたものである。 As is already known, a sheet heating element is
This is a flat heating element made of a synthetic resin mixed with conductive powder, with electrodes embedded at intervals, covered with an insulating synthetic resin sheet, and lead wires attached to the electrodes. .
第３図は本発明の第２の実施例を示し、蓄熱材
２０の上面がアルミニウム蒸着紙２２で覆われて
いる。このアルミニウム蒸着紙２２は、通電発熱
体２１の発熱による温度分布の均一化、防湿、お
よび床暖房ユニツト１０上に直接、カーペツト等
を敷いた場合にカーペツト等が露出した蓄熱材２
０によつて汚れることを防止するなどの機能を有
する。 FIG. 3 shows a second embodiment of the present invention, in which the upper surface of a heat storage material 20 is covered with aluminum vapor-deposited paper 22. As shown in FIG. This aluminum vapor-deposited paper 22 is used to make the temperature distribution uniform due to the heat generated by the energized heating element 21, to prevent moisture, and to protect the heat storage material 2 from which the carpet or the like is exposed when the carpet or the like is laid directly on the floor heating unit 10.
It has functions such as preventing dirt from being contaminated by zero.
第４図は本発明の第３実施例を示し、蓄熱材２
０の上面が金属薄板２３、たとえばアルミニウム
板で覆われている。この金属薄板２３も、前記第
２実施例（第３図）におけるアルミニウム蒸着紙
２２と同様な機能を有している。 FIG. 4 shows a third embodiment of the present invention, in which the heat storage material 2
0 is covered with a thin metal plate 23, for example an aluminum plate. This metal thin plate 23 also has the same function as the aluminum vapor-deposited paper 22 in the second embodiment (FIG. 3).
第５図は本発明の第４実施例をチヤンネル１５
のみで示している。すなわち、載架係止面部１
７，１７は、チヤンネル１５の長手方向に沿つて
部分的に設けられている。 FIG. 5 shows a fourth embodiment of the present invention in channel 15.
Shown only. In other words, the rack locking surface portion 1
7 and 17 are partially provided along the longitudinal direction of the channel 15.
なお、蓄熱材と断熱材の積層および通電発熱体
の埋設については図示を省略してあるが、前述し
た実施例１〜３（第１図〜第４図）の如く行なう
ことができる。 Although the lamination of the heat storage material and the heat insulating material and the embedding of the energized heating element are not shown in the drawings, they can be carried out as in Examples 1 to 3 (FIGS. 1 to 4) described above.
第６図は本発明の第５実施例を示し、根太１
４，１４の間に取付金具３０を間隔を置いて設
け、この取付金具３０で支持しながら本発明の床
暖房ユニツト１０を根太１４，１４間に取付けて
ある。取付金具３０は金属板で形成され、釘穴３
２に釘を打込んで係止部３１，３１は根太１４，
１４に形成された切込みにうめ込まれ、係止部３
１，３１と根太１４，１４とは面一状態にある。 FIG. 6 shows a fifth embodiment of the present invention, in which the joist 1
The floor heating unit 10 of the present invention is mounted between the joists 14 and 14 while being supported by the mounting brackets 30. The mounting bracket 30 is formed of a metal plate, and has a nail hole 3.
2, the locking parts 31, 31 are attached to the joists 14,
The locking portion 3 is inserted into the notch formed in the locking portion 14.
1 and 31 and the joists 14 and 14 are flush with each other.
以上述べたような本発明の床暖房ユニツト１０
は、断面コ字状の、所定の長さと、並設した根太
の間隔よりも狭い巾を有する外殻材で形成したチ
ヤンネルとし、完成された、独立した一つの部材
として取り扱うことができるようにしたことに最
大の特長がある。 Floor heating unit 10 of the present invention as described above
shall be a channel formed of shell material with a U-shaped cross section, a predetermined length, and a width narrower than the spacing between the juxtaposed joists, so that it can be handled as a complete, independent member. The biggest advantage is that
このように、断熱材、蓄熱材および通電発熱体
の一式をまとめて床暖房のための独立した一つの
部材とする発想は従来全く知られていなかつたも
のであり、本発明の最大の狙いもこの点にある。 In this way, the idea of combining a heat insulating material, a heat storage material, and a current-carrying heating element into one independent member for floor heating was completely unknown, and is also the main aim of the present invention. On this point.
完成された、独立した一つの部材とすることに
よつて、施工現場において通電のための結線以外
にユニツト自体に更に手を加える必要は全くな
い。 By making it a complete, independent member, there is no need to make any further modifications to the unit itself at the construction site other than wiring for energization.
またチヤンネル内下部に断熱材を、断熱材上に
蓄熱材をそれぞれ充填し、断熱材上に通電発熱体
を埋設しただけなので、構造が簡単であり、従つ
て根太の間隔が決定されれば容易に量産が可能で
価格低下をはかることができるばかりでなく、完
成された一つの部材なので貯蔵、施工現場への輸
送が容易である。 In addition, the structure is simple because the insulation material is filled in the lower part of the channel, the heat storage material is filled on top of the insulation material, and the energized heating element is buried on top of the insulation material. Not only can it be mass-produced quickly and reduce costs, but since it is a single completed component, it is easy to store and transport to the construction site.
しかも断熱材、通電発熱体および蓄熱材は外殻
材で形成されたチヤンネル内に収容されているの
で、外部からの衝撃に対して十分に保護され、貯
蔵、運搬、施工時の振動や衝撃による破損を防止
することができる。 Moreover, since the heat insulating material, energized heating element, and heat storage material are housed within the channel formed by the outer shell material, they are sufficiently protected against external shocks, and are protected against vibrations and shocks during storage, transportation, and construction. Damage can be prevented.
更に本発明によれば、チヤンネル内の下部に断
熱材を充填し、この断熱材上に載置した通電発熱
体上に蓄熱材を充填したので、熱の無駄な床下へ
の放出を断熱材によつて極力回避することができ
る。 Furthermore, according to the present invention, a heat insulating material is filled in the lower part of the channel, and a heat storage material is filled on top of the energized heating element placed on the heat insulating material, so that wasteful release of heat to the underfloor can be prevented by using the heat insulating material. Therefore, it can be avoided as much as possible.
また、通電発熱体の上に蓄熱材が充填されてい
るので、通電を遮断した場合の暖房空間の急激な
温度低下を蓄熱材からの放熱によつて極力防止す
ることができる。 Furthermore, since the heat storage material is filled on top of the energized heating element, a sudden drop in the temperature of the heated space when electricity is cut off can be prevented as much as possible by heat radiation from the heat storage material.
更にまた通電発熱体の上に蓄熱材が充填されて
いるので、蓄熱材を通して蓄熱材上の床材があた
ためられ、床材が大理石など石材系の場合に床が
高温になることを防止して適温に保持することが
できる。 Furthermore, since the heat storage material is filled on top of the energized heating element, the flooring material on the heat storage material is heated through the heat storage material, and this prevents the flooring from becoming too hot when the flooring material is made of stone, such as marble. Can be maintained at an appropriate temperature.
すなわち蓄熱材の温度をコントロールすること
で床材の温度コントロールができるので、床材の
種類に応じて蓄熱材を選択すれば、床材の急激な
温度上昇、低下を防止して床材を快適な温度に長
時間保持することが容易である。 In other words, the temperature of the flooring material can be controlled by controlling the temperature of the heat storage material, so if you select the heat storage material according to the type of flooring material, you can prevent sudden temperature rises and drops in the flooring material and keep the flooring material comfortable. It is easy to maintain the temperature at a certain temperature for a long time.
かかる本発明の床暖房ユニツトを敷設するにあ
たつては、たとえば第１図に示したように隣接す
る根太１４，１４の間にチヤンネルを挿入し、係
止部１７，１７を根太１４，１４に係止させ、釘
穴１９に釘を打ち込んで根太１４に床暖房ユニツ
ト１０を固定し、同様に根太の間に順次ユニツト
を取付け、通電発熱体２１のリード線を端子箱に
接続した後に、床暖房ユニツト１０の上に直接カ
ーペツト等を敷いたり、或はユニツト１０上に第
１図に示す如く床板２５または畳を敷く。 When installing the floor heating unit of the present invention, for example, as shown in FIG. After fixing the floor heating unit 10 to the joists 14 by driving nails into the nail holes 19, installing the units one after another between the joists, and connecting the lead wires of the energizing heating element 21 to the terminal box, A carpet or the like is laid directly on the floor heating unit 10, or a floorboard 25 or tatami mat is laid on the unit 10 as shown in FIG.
なお第１図においては、大引１３の上に直接根
太１４を渡した場合を示したが、大引１３の上に
敷板を敷き、この敷板の上に根太を渡し、この根
太の間に床暖房ユニツトを前述のようにして取付
けることもできる。 Although Fig. 1 shows the case where the joists 14 are passed directly over the main drawers 13, a floor board is laid on top of the main drawers 13, the joists are passed over this board, and the floor joists are placed between the joists. The heating unit can also be installed as described above.
また、根太の間隔にはチヤンネル１５を挿入し
た後、この上にカーペツト、床板やたたみを敷け
ば、床暖房ユニツトが暖房空間に露出しないので
居住空間がせばめられることがない。更に通電発
熱体は蓄熱材中に埋設されているので、火炎発生
の危険性もなく、快適な暖房空間が与えられる。
暖房が不必要となつたときの取りはずしも極めて
簡単である。 Furthermore, if channels 15 are inserted between the joists and carpets, floorboards, or tatami mats are laid on top of them, the floor heating unit will not be exposed to the heating space, so the living space will not be constricted. Furthermore, since the energized heating element is embedded in the heat storage material, there is no danger of flame generation and a comfortable heated space is provided.
It is also extremely easy to remove when heating is no longer needed.
第１図は本発明の第１実施例を示す斜視説明
図、第２図はそのＹ−Ｙ線矢視断面図、第３図は
本発明の第２実施例を示す断面図、第４図は第３
実施例を示す断面図、第５図は第４実施例を示す
チヤンネルの斜視図、第６図は第５実施例を示す
斜視図である。
１０……床暖房ユニツト、１５……チヤンネ
ル、１６……側壁、１７……載架係止面部、１９
……断熱材、２０……蓄熱材、２１……通電発熱
体。
FIG. 1 is a perspective explanatory view showing a first embodiment of the present invention, FIG. 2 is a cross-sectional view taken along the line Y-Y, FIG. 3 is a cross-sectional view showing a second embodiment of the present invention, and FIG. is the third
FIG. 5 is a sectional view showing the embodiment, FIG. 5 is a perspective view of a channel showing the fourth embodiment, and FIG. 6 is a perspective view showing the fifth embodiment. DESCRIPTION OF SYMBOLS 10... Floor heating unit, 15... Channel, 16... Side wall, 17... Mounting locking surface part, 19
...insulation material, 20 ... heat storage material, 21 ... energizing heating element.
Claims (1)
らなり、該チヤンネルは所定の長さと、並設した
根太の間隔よりも狭い巾を有しており、該チヤン
ネルの両側壁上端部に前記根太上面への載架係止
面部をそれぞれ設け、該チヤンネル内の下部に断
熱材を充填し、該断熱材上に載置した通電発熱体
上に蓄熱材を充填したことを特徴とする床暖房ユ
ニツト。1 Consisting of a channel with a U-shaped cross section formed of shell material, the channel has a predetermined length and a width narrower than the interval between the joists installed in parallel, and the joist is attached to the upper end of both side walls of the channel. A floor heating unit characterized in that a mounting locking surface portion is provided on the upper surface, a heat insulating material is filled in the lower part of the channel, and a heat storage material is filled on the energized heating element placed on the heat insulating material. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57226653A JPS59119120A (en) | 1982-12-27 | 1982-12-27 | Floor heating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57226653A JPS59119120A (en) | 1982-12-27 | 1982-12-27 | Floor heating unit |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19926390A Division JPH03207928A (en) | 1990-07-30 | 1990-07-30 | Floor heating panel |
| JP19926290A Division JPH03207927A (en) | 1990-07-30 | 1990-07-30 | Floor heating panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59119120A JPS59119120A (en) | 1984-07-10 |
| JPH0350177B2 true JPH0350177B2 (en) | 1991-07-31 |
Family
ID=16848547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57226653A Granted JPS59119120A (en) | 1982-12-27 | 1982-12-27 | Floor heating unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59119120A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4844727A (en) * | 1971-10-11 | 1973-06-27 | ||
| JPS56108031A (en) * | 1980-01-31 | 1981-08-27 | Matsushita Electric Works Ltd | Method and apparatus for construction electric floor heater |
| JPS579193B2 (en) * | 1973-04-18 | 1982-02-19 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS579193U (en) * | 1980-06-14 | 1982-01-18 |
-
1982
- 1982-12-27 JP JP57226653A patent/JPS59119120A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4844727A (en) * | 1971-10-11 | 1973-06-27 | ||
| JPS579193B2 (en) * | 1973-04-18 | 1982-02-19 | ||
| JPS56108031A (en) * | 1980-01-31 | 1981-08-27 | Matsushita Electric Works Ltd | Method and apparatus for construction electric floor heater |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59119120A (en) | 1984-07-10 |
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