JP6903307B2 - Insulation sheet - Google Patents

Insulation sheet Download PDF

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JP6903307B2
JP6903307B2 JP2014252662A JP2014252662A JP6903307B2 JP 6903307 B2 JP6903307 B2 JP 6903307B2 JP 2014252662 A JP2014252662 A JP 2014252662A JP 2014252662 A JP2014252662 A JP 2014252662A JP 6903307 B2 JP6903307 B2 JP 6903307B2
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heat insulating
base material
aluminosilicate
sheet
cover
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JP2016107604A (en
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知男 小林
知男 小林
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有限会社ギムティー
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この発明は、保温シートに関する。 The present invention relates to a heat insulating sheet .

人又はその他の動物である生体の表面の保温を行う保温シートであって、シート状の基材を備え、該基材における生体側の面に、断熱材を含浸することにより断熱面を形成し、該断熱面を、被覆層によって被覆した保温シートが公知になっている（例えば、特許文献１を参照。）。 A heat insulating sheet that keeps the surface of a living body such as a human or other animal warm, and is provided with a sheet-like base material, and a heat insulating surface is formed by impregnating the surface of the base material on the living body side with a heat insulating material. , A heat insulating sheet in which the heat insulating surface is coated with a coating layer is known (see, for example, Patent Document 1).

特開２００１−３２７４３７号公報（第４図）Japanese Unexamined Patent Publication No. 2001-327437 (Fig. 4)

上記文献の保温シートは、基材における生体側の面に、断熱材を含浸することにより断熱面を形成し、該断熱面を、被覆層によって被覆しているため、基材の材料に左右されずに、断熱を行うことが可能になるとともに、被覆層によって保護された断熱面は、断熱性能を維持し易くなる。
しかし、被覆層がプラスティックフィルム等によって構成されるため、生体側の体温が、断熱面まで達し難く、被覆層の表面に沿って拡散されるため、生体側からの熱を効率的に利用することが困難である。 In the heat insulating sheet of the above document, a heat insulating surface is formed by impregnating the surface of the base material on the living body side with a heat insulating material, and the heat insulating surface is covered with a coating layer, so that it depends on the material of the base material. Insulation can be performed without the need for heat insulation, and the heat insulating surface protected by the coating layer can easily maintain heat insulating performance.
However, since the coating layer is composed of a plastic film or the like, the body temperature on the living body side does not easily reach the heat insulating surface and is diffused along the surface of the coating layer, so that the heat from the living body side can be used efficiently. Is difficult.

本発明は、基材における生体側の面に、断熱材を含浸することにより断熱面を形成し、該断熱面がカバーされて保護される保温シートにおいて、生体側の体温も利用し易い保温シートを提供することを課題とする。 The present invention is a heat insulating sheet in which a heat insulating surface is formed by impregnating a surface of the base material on the living body side with a heat insulating material, and the heat insulating surface is covered and protected. The challenge is to provide.

本発明の保温シートは、人又はその他の動物である生体の表面の保温を行う保温シートであって、フレキシブルに変更可能なシート状の基材と、通気性及び通水性が確保され且つ透光性を有する不織布又は織布からなるカバー体とを備え、前記基材における生体側の面に断熱材を含浸又は塗布することにより断熱面を形成し、前記断熱材は、中空ビーズ構造であって且つ１０〜５０μｍの粒径を有するアルミノ珪酸ソーダガラスと、顔料としての二酸化チタンとを含み、前記アルミノ珪酸ソーダガラスの含有量は、前記断熱材の全重量の１０〜２０重量％であり、前記カバー体によって基材の断熱面をカバーし、前記カバー体は、上記断熱面に面状に密着された状態で接着され、前記カバー体は、生体側からの輻射熱を通すことによって、前記アルミノ珪酸ソーダガラスが遠赤外線を放射する温度まで該アルミノ珪酸ソーダガラスを温めるとともに、該アルミノ珪酸ソーダガラスから放射された遠赤外線が生体側に達するように構成されたことを特徴とする。 The heat insulating sheet of the present invention is a heat insulating sheet that keeps the surface of a living body such as a human or other animal warm, and has a sheet-like base material that can be flexibly changed, and breathability and water permeability are ensured and light is transmitted. A cover body made of a non-woven glass or a woven cloth having a property is provided, and a heat insulating surface is formed by impregnating or applying a heat insulating material to the surface of the base material on the living body side, and the heat insulating material has a hollow bead structure. The soda glass aluminosilicate having a particle size of 10 to 50 μm and titanium dioxide as a pigment are contained, and the content of the soda glass aluminosilicate is 10 to 20% by weight of the total weight of the heat insulating material. covers the insulation surface of the substrate by the cover member, the cover member is adhered in a state of being in close contact with the surface on the heat insulating surface, the cover body, by passing the radiation heat from the body side, the aluminosilicate with warming said aluminosilicate soda glass to a temperature that soda glass emits far infrared, characterized in that the far infrared rays radiated from the aluminosilicate soda glass is configured to reach the living body.

通気性が確保された不織布又は織布からなるカバー体によって、基材の断熱面がカバーされるため、生体側の体温が、カバー体を通り抜けて断熱面に達して留まるか、或いは生体側に熱反射され易くなり、保温の際に生体側の熱を効率的に利用できる。 Since the heat insulating surface of the base material is covered by a cover body made of a non-woven fabric or woven fabric that ensures breathability, the body temperature on the living body side passes through the cover body and reaches the heat insulating surface and stays on the living body side. The heat is easily reflected, and the heat on the living body side can be efficiently used when keeping the heat.

本発明を適用した敷布団の平面図である。It is a top view of the mattress to which this invention is applied. 図１のＡ−Ａ断面図である。FIG. 1 is a cross-sectional view taken along the line AA of FIG. 図１のＢ−Ｂ断面図である。It is a cross-sectional view of BB of FIG. （Ａ）は、本発明を適用した保温シートの片面側の説明図であり、（Ｂ）はもう片面側の説明図である。(A) is an explanatory view of one side of a heat insulating sheet to which the present invention is applied, and (B) is an explanatory view of the other side. 図４（Ａ）のＣ−Ｃ断面図である。4 is a cross-sectional view taken along the line CC of FIG. 4 (A). 保温シートの他の構成例を示す断面図である。It is sectional drawing which shows the other structural example of the heat insulation sheet.

図１は、本発明を適用した敷布団の平面図であり、図２は、図１のＡ−Ａ断面図であり、図３は、図１のＢ−Ｂ断面図である。これらの図面に示す敷布団（保温布団）１は、敷布団カバー（布団カバー）２と、敷布団カバー２に形成された収容部３に取出可能に収容された方形板状の保温シート４とを備えている。 1 is a plan view of a mattress to which the present invention is applied, FIG. 2 is a sectional view taken along the line AA of FIG. 1, and FIG. 3 is a sectional view taken along the line BB of FIG. The mattress (heat-retaining futon) 1 shown in these drawings includes a mattress cover (futon cover) 2 and a square plate-shaped heat-retaining sheet 4 removably housed in a storage portion 3 formed in the mattress cover 2. There is.

敷布団カバー２は、十分な通気性と通水性が確保された布製の袋体である。具体的には、敷布団カバー２は、一枚又は複数枚のフレキシブルに変更可能な布同士を、縫合又は接着等によって、部分的に接合することにより、就寝者（生体）の身長方向に延びる袋状に成形される。言換えると、敷布団１及び敷布団カバー２は、全長方向（図１に示すＹ方向）が就寝者の身長方向に設定され、それに直交する方向が幅方向（図１に示すＸ方向）となる。 The mattress cover 2 is a cloth bag body in which sufficient breathability and water permeability are ensured. Specifically, the mattress cover 2 is a bag that extends in the height direction of the sleeping person (living body) by partially joining one or a plurality of flexibly changeable cloths to each other by suturing or gluing. It is molded into a shape. In other words, in the mattress 1 and the mattress cover 2, the total length direction (Y direction shown in FIG. 1) is set to the height direction of the sleeping person, and the direction orthogonal to the total length direction is the width direction (X direction shown in FIG. 1).

この敷布団カバー２の袋状の内部は、対向する布同士を縫合又は接着等することによって形成される幅方向（Ｘ方向）の仕切部２ａによって複数に仕切られ、これによって複数の袋状部２ｂが形成され、各袋状部２ｂ内には収容部３が形成されている。 The bag-shaped interior of the mattress cover 2 is divided into a plurality of parts by a partition portion 2a in the width direction (X direction) formed by stitching or adhering the facing cloths to each other, whereby the plurality of bag-shaped portions 2b Is formed, and an accommodating portion 3 is formed in each bag-shaped portion 2b.

収容部３（袋状部２ｂ）は、Ｙ方向に複数並列されている。各収容部３におけるＸ方向の一方側の端部又は両側の端部には、保温シート４を該収容部３に取出可能に差込挿入する挿入部３ａが形成される。 A plurality of accommodating portions 3 (bag-shaped portions 2b) are arranged in parallel in the Y direction. An insertion portion 3a for inserting and inserting the heat insulating sheet 4 into the accommodating portion 3 so as to be removable is formed at one end or both end portions in the X direction of each accommodating portion 3.

この挿入部３ａは、ベルベットファスナーやボタン等の図示しない係合具によって、対向部同士を、係脱可能に係合させることにより閉じられる。挿入部３ａが閉じられた状態では、保温シート４の収容部３への収容や、収容部３内からの取出しが規制（禁止）される一方で、開かれた状態では、挿入部３ａを介して、保温シート４の収容部３からの出し入れが可能になる。 The insertion portion 3a is closed by engaging the opposing portions in a disengageable manner with an engaging tool (not shown) such as a velvet fastener or a button. When the insertion portion 3a is closed, the heat insulating sheet 4 is restricted (prohibited) from being accommodated in the accommodating portion 3 and taken out from the accommodating portion 3, while when the insertion portion 3a is opened, it is restricted via the insertion portion 3a. Therefore, the heat insulating sheet 4 can be taken in and out of the accommodating portion 3.

敷布団カバー２における足元側の端部に位置する保温シート４及びこれを収容する収容部３を内部に有する袋状部２ｂ（足元側上掛部６）を、隣接する保温シート４及びこれを収容する収容部３を内部に有する袋状部２ｂ（足元側下敷部７）の上面側に折重ねることにより、この足元側上掛部６と足元側下敷部７との間には、就寝者の足を差し入れるスペースが形成される。言換えると、展開した状態において、足元側上掛部６における上方を向いた面は、上記のようにして折重ねた状態では、下方を向いた状態になる。 The heat-retaining sheet 4 located at the foot-side end of the mattress cover 2 and the bag-shaped portion 2b (foot-side upper bag 6) having the accommodating portion 3 for accommodating the heat-retaining sheet 4 are accommodated in the adjacent heat-retaining sheet 4 and the accommodating portion 2. By folding it on the upper surface side of the bag-shaped portion 2b (foot side underlay portion 7) having the accommodating portion 3 inside, a sleeping person can be placed between the foot side upper hanging portion 6 and the foot side underlay portion 7. A space for inserting the foot is formed. In other words, in the unfolded state, the surface of the foot-side upper hook 6 facing upward is in a state of facing downward in the state of being folded as described above.

なお、この足元側上掛部６における足元側下敷部７との接続部分から遠い側の端部（先端部）を、帯状の連結体８によって、敷布団カバー２のその他の部分（具体的には、仕切部２ａ）に連結し、これによって、足元側上掛部６が折重ねた状態で保持される。ちなみに、連結体８は、敷布団カバー２の幅方向の両端側にそれぞれ設けられている。 It should be noted that the end portion (tip portion) of the foot side upper hook portion 6 on the side far from the connection portion with the foot side underlay portion 7 is connected to the other portion (specifically, the mattress cover 2) of the mattress cover 2 by the band-shaped connecting body 8. , Connected to the partition portion 2a), whereby the foot side upper hook portion 6 is held in a folded state. Incidentally, the connecting body 8 is provided on both end sides of the mattress cover 2 in the width direction.

敷布団カバー２の頭部側の端部に位置する保温シート４及びこれを収容する収容部３を内部に有する袋状部２ｂ（頭部側下敷９）は、その隣に位置する保温シート４及びこれを収容する収容部３を内部に有する袋状部２ｂ（被折重ね部１１）の上面側に、折重ねる。言換えると、展開した状態では、頭部側下敷９の上方を向いた面が、折重ねた状態では、下方を向いた状態になる。 The heat insulating sheet 4 located at the end of the mattress cover 2 on the head side and the bag-shaped portion 2b (head side underlay 9) having the accommodating portion 3 for accommodating the heat insulating sheet 4 are the heat insulating sheet 4 and the heat insulating sheet 4 located next to the mattress cover 2. It is folded on the upper surface side of the bag-shaped portion 2b (folded overlapping portion 11) having the accommodating portion 3 for accommodating the accommodating portion 3 inside. In other words, in the unfolded state, the surface of the head-side underlay 9 facing upward is in a state of facing downward in the folded state.

また、頭部側下敷９のＹ方向の長さは、被折重ね部１１のＹ方向の長さに比べて短いため、このようにして重合せた場合、被折重ね部１１と頭部側下敷９とが全体ではラップせずに、部分的にラップした状態になる。 Further, since the length of the head-side underlay 9 in the Y direction is shorter than the length of the folded overlapping portion 11 in the Y direction, when laminated in this way, the folded overlapping portion 11 and the head side The underlay 9 and the underlay 9 do not wrap as a whole, but partially wrap.

次に、図１乃至５に基づき、保温シート４の構成について詳述する。 Next, the configuration of the heat insulating sheet 4 will be described in detail based on FIGS. 1 to 5.

図４（Ａ）は、本発明を適用した保温シートの片面側の説明図であり、（Ｂ）はもう片面側の説明図であり、図５は、図４（Ａ）のＣ−Ｃ断面図である。保温シート４は、フレキシブルに変形可能な方形シート状の基材１２と、該基材１２の少なくとも片面側を密着状態でカバーするカバー（カバー体）１３とを有している。 FIG. 4A is an explanatory view of one side of the heat insulating sheet to which the present invention is applied, FIG. 4B is an explanatory view of the other side, and FIG. 5 is a cross section taken along the line CC of FIG. 4A. It is a figure. The heat insulating sheet 4 has a square sheet-shaped base material 12 that can be flexibly deformed, and a cover (cover body) 13 that covers at least one side of the base material 12 in a close contact state.

基材１２を構成する材料としては、繊維を撚って糸にしたものを織ってつくる織布や、繊維を織らずに絡み合わせてシート状にした不織布や、動物の毛や化学繊維を薄く板状に圧縮してつくるシート状のフェルトや、植物などの長い繊維を絡ませながら薄くシート状にした和紙等を用いる。これらの材料によって構成される基材１２は、曲げ伸ばし自在で破損し難く、十分な通気性及び通水性を有しているため、皮膚からの発汗を短時間に蒸発させることができ、さらに洗濯も行い易い。 Materials that make up the base material 12 include woven fabrics made by twisting fibers into threads, non-woven fabrics that are entwined without weaving fibers into a sheet, and thin animal hair and chemical fibers. Use sheet-shaped felt made by compressing into a plate, or Japanese paper made into a thin sheet by entwining long fibers such as plants. The base material 12 made of these materials is bendable and stretchable, is not easily damaged, and has sufficient breathability and water permeability, so that sweating from the skin can be evaporated in a short time, and further, washing can be performed. Is also easy to do.

この基材１２の片面側に、断熱材を塗布するか、或いは含浸させることにより、断熱層１４を形成し、これによって基材１２の断熱層１４を形成させた側の面が断熱面１４ａになる。 A heat insulating layer 14 is formed by applying or impregnating one side of the base material 12 with a heat insulating material, whereby the side surface of the base material 12 on which the heat insulating layer 14 is formed becomes the heat insulating surface 14a. Become.

断熱材は、アルミノ珪酸ソーダガラスと、顔料と、樹脂エマルジョンと、分散剤と、粘着剤等を配合し、水を加えて撹拌混合することによって得られる白色の溶液である。 The heat insulating material is a white solution obtained by blending soda glass aluminosilicate, a pigment, a resin emulsion, a dispersant, an adhesive and the like, adding water and stirring and mixing.

アルミノ珪酸ソーダガラスは、粒径が１０〜５０μｍとなる中空ビーズ構造であり、アルミノ珪酸ソーダガラスの含有量は、断熱材の全重量の１０〜２０重量％である。ちなみに、アルミノ珪酸ソーダガラスの含有量が１０重量％未満の場合には、断熱性能が低下し、２０重量％を超えると、基材への付着力が低下するため、含有量を上記のように設定してある。 The soda glass alminosilicate has a hollow bead structure having a particle size of 10 to 50 μm, and the content of the soda glass aluminosilicate is 10 to 20% by weight of the total weight of the heat insulating material. By the way, when the content of soda glass aluminosilicate is less than 10% by weight, the heat insulating performance is lowered, and when it exceeds 20% by weight, the adhesive force to the base material is lowered. It has been set.

顔料は光を反射する白色の二酸化チタンであり、樹脂エマルジョンは水溶性のアクリルエマルジョン樹脂であり、上記分散剤は、アルミノ珪酸ソーダガラスと、顔料と、樹脂エマルジョンとからなる成分材料の混合を均一にするためのものであり、粘着剤は均一に混合された上記成分材料の分離や沈殿を抑制するためのものである。 The pigment is white titanium dioxide that reflects light, the resin emulsion is a water-soluble acrylic emulsion resin, and the dispersant is a uniform mixture of a component material consisting of sodium aluminosilicate glass, a pigment, and a resin emulsion. The pressure-sensitive adhesive is for suppressing the separation and precipitation of the uniformly mixed component materials.

これらを混合した液状の断熱材を、ノズルから噴射等によって、基材１２の片面に均一に塗布した後に、乾燥させると、断熱材は、基材１２の表面から所定深さまで含浸されて上記断熱層１４を形成する。ちなみに、基材１２に断熱材を塗布する際は、塗布する側の面を上方に向けて塗布し、乾燥時もその状態を保持する。 When a liquid heat insulating material in which these are mixed is uniformly applied to one side of the base material 12 by jetting from a nozzle or the like and then dried, the heat insulating material is impregnated from the surface of the base material 12 to a predetermined depth to provide the above heat insulating material. The layer 14 is formed. Incidentally, when the heat insulating material is applied to the base material 12, the surface on the application side is applied upward, and the state is maintained even when it is dried.

すなわち、断熱材は、断熱塗料であり、基材１２の表面に塗布して含浸させることにより、折り曲げ等に強く、耐久性の高い断熱層１４を、基材１２の表層に形成している。このため、基材１２も、断熱塗料を含浸させることが可能なように、上記のような材料から構成されている。 That is, the heat insulating material is a heat insulating paint, and by applying and impregnating the surface of the base material 12, a heat insulating layer 14 that is resistant to bending and has high durability is formed on the surface layer of the base material 12. Therefore, the base material 12 is also made of the above-mentioned material so that it can be impregnated with the heat insulating paint.

なお、基材１２を液状の断熱材に浸漬させることにより、該基材１２に断熱材を含浸させてもよい。この他、断熱塗料を、基材１２の表面に塗布するのみでもよい。この場合、基材１２の断熱材を含浸させる必要はなくなるため、基材１２は、液体に対して浸透性を確保する必要がなくなるため、材料の選択の自由度は向上する。 The base material 12 may be impregnated with the heat insulating material by immersing the base material 12 in a liquid heat insulating material. In addition, the heat insulating paint may only be applied to the surface of the base material 12. In this case, since it is not necessary to impregnate the heat insulating material of the base material 12, it is not necessary to ensure the permeability of the base material 12 with respect to the liquid, so that the degree of freedom in selecting the material is improved.

カバー１３は、通気性や通水性が確保された織布又は不織布から構成される。該カバー１３は、基材１２の断熱面１４ａから、側端該基材１２の断熱面１４ａと反対側の面である非断熱面１２ａの４つの辺部に至る範囲をカバーしている。 The cover 13 is made of a woven fabric or a non-woven fabric that ensures breathability and water permeability. The cover 13 covers a range from the heat insulating surface 14a of the base material 12 to the four sides of the non-insulating surface 12a, which is the surface opposite to the heat insulating surface 14a of the base material 12.

さらに、カバー１３の具体的な構成を説明すると、カバー１３の表面の少なくとも一部（本例では全体）は、カバー１３を構成する材料がそのまま露出し、通気性や通水性を妨げる顔料やその他の層が形成されていない。 Further, to explain the specific configuration of the cover 13, at least a part of the surface of the cover 13 (in this example, the whole) is exposed as it is, and the material constituting the cover 13 is exposed as it is, and pigments and other substances that hinder breathability and water permeability Layer is not formed.

そして、断熱面１４ａが就寝者側に向けられた姿勢の保温シート４を、該就寝者の身体に近づけると、就寝者の体温が、敷布団カバー２及びカバー１３を通って断熱面１４ａまで達し、その場で留まるか、或いは生体側に反射されるため、断熱面１４ａと就寝者との間の空間が、心地よい温度に保たれる。 Then, when the heat insulating sheet 4 in a posture in which the heat insulating surface 14a is directed toward the sleeping person is brought close to the sleeping person's body, the sleeping person's body temperature reaches the heat insulating surface 14a through the mattress cover 2 and the cover 13. The space between the heat insulating surface 14a and the sleeping person is maintained at a comfortable temperature because it stays on the spot or is reflected on the living body side.

カバー１３の基材１２への固定手段について更に説明すると、カバー１３を、断熱面１４ａの全体に面状に接触（さらに具体的には密着）させた状態で、基材１２に接着又は縫合している。 To further explain the means for fixing the cover 13 to the base material 12, the cover 13 is adhered or sewn to the base material 12 in a state where the cover 13 is in surface contact (more specifically, in close contact with) the entire heat insulating surface 14a. ing.

具体的には、カバー１３にウレタン接着剤等のホットメルトを含浸させ、これを、高温（さらに具体的には、１２０〜１６０℃程度）のアイロン又は金属板によって、基材１２の接着部分（断熱面１４ａ全体及び非断熱面１２ａの四辺部）に、加熱しながら圧着させる（ホットプレス加工する）ことにより、カバー１３を基材１２に接着させるか、或いは、ミシン等によって、基材１２とカバー１３とを、千鳥格子状に縫い合せる。さらには、接着と縫合を組合せて、カバー１３を基材１２に取付けてもよい。 Specifically, the cover 13 is impregnated with a hot melt such as a urethane adhesive, and this is applied to the adhesive portion (more specifically, about 120 to 160 ° C.) of the base material 12 by an iron or a metal plate at a high temperature. The cover 13 is adhered to the base material 12 by crimping (hot-pressing) the entire heat-insulated surface 14a and the four sides of the non-heat-insulating surface 12a while heating, or the cover 13 is bonded to the base material 12 by a sewing machine or the like. The cover 13 and the cover 13 are sewn together in a staggered pattern. Further, the cover 13 may be attached to the base material 12 by combining adhesion and stitching.

該構成の保護シート４は、基本的には、就寝者側に断熱面１４ａを向けた姿勢（具体的には、断熱面１４ａが上面となる姿勢）で、敷布団カバー２の収容部３に収容される。 The protective sheet 4 having this configuration is basically housed in the accommodating portion 3 of the mattress cover 2 in a posture in which the heat insulating surface 14a is directed toward the sleeping person (specifically, a posture in which the heat insulating surface 14a is the upper surface). Will be done.

ちなみに、折重ねた状態の足元側上掛部６は、下面が就寝者側の面になるため、折重ねた状態で、足元側上掛部６の保温シート４の断熱面１４ａが下方を向く姿勢で、該保温シート４が、この足元側上掛部６の収容部３に収容されている。 By the way, since the lower surface of the foot side upper hook 6 in the folded state is the surface on the sleeping side, the heat insulating surface 14a of the heat insulating sheet 4 of the foot side upper hook 6 faces downward in the folded state. In the posture, the heat insulating sheet 4 is housed in the accommodating portion 3 of the foot-side upper hook portion 6.

一方、頭部側下敷９は、折重ねられた状態で、その上面側に、就寝者の頭部に位置させて使用するが、頭部は保温する必要性が低いため、折重ね状態の頭部側下敷９の保温シート４の断熱面１４ａが下方を向くようにして、該保温シート４が、頭部側下敷９の収容部３に収容されている。 On the other hand, the head side underlay 9 is used by being positioned on the upper surface side of the folded state on the head of the sleeping person, but since it is less necessary to keep the head warm, the head in the folded state is used. The heat insulating sheet 4 is housed in the accommodating portion 3 of the head side underlay 9 so that the heat insulating surface 14a of the heat insulating sheet 4 of the side underlay 9 faces downward.

該構成の敷布団１によれば、就寝者側へ断熱面１４ａを向けた保温シート４が、該就寝者に近接した状態になるため、就寝者の体温が、空気の流れにより、敷布団カバー２及びカバー１３を通り抜けて、該断熱面１４ａまで達し、その場で留まるか、或いは、就寝者側まで反射するため、保温シート４と就寝者との間の空間が適切な温度に加温又は保温される。 According to the mattress 1 having the above configuration, the heat insulating sheet 4 with the heat insulating surface 14a facing the sleeper side is in a state close to the sleeper, so that the body temperature of the sleeper is increased by the air flow to the mattress cover 2 and the mattress cover 2. The space between the heat insulating sheet 4 and the sleeping person is heated or kept warm to an appropriate temperature because it passes through the cover 13 and reaches the heat insulating surface 14a and stays in place or reflects to the sleeping side. To sleep.

また、就寝者の保温する必要がない部分に位置している保温シート４は、非断熱面１２ａを、就寝者側に向けることによって、不快に保温されることがないようにしているため、就寝者はより心地よく眠ることが可能になる。ちなみに、頭部以外でも、腰や足等、保温する必要がない場合には、その部分の保温シート４の非断熱面１２ａを、就寝者側に向けるようにしてもよい。 Further, the heat insulating sheet 4 located in the portion where the sleeping person does not need to keep warm is prevented from being unpleasantly kept warm by directing the non-insulating surface 12a toward the sleeping person, so that the sleeping person does not need to keep warm. One can sleep more comfortably. Incidentally, when it is not necessary to keep warm the waist, legs, etc. other than the head, the non-insulating surface 12a of the heat insulating sheet 4 at that portion may be directed toward the sleeping person.

また、この保温シート４は、フレキシブルに変更可能な基材１２に断熱塗料を塗布して含浸させることによって、断熱層１４を形成し、この断熱層１４を、カバー１３でカバーして保護しているため、捻りや、曲げを加えるか、或いは洗濯を行っても、破損や剥離のリスクが少なく、高い耐久性を期待できる。 Further, the heat insulating sheet 4 forms a heat insulating layer 14 by applying a heat insulating paint to a flexible changeable base material 12 and impregnating the base material 12, and the heat insulating layer 14 is covered with a cover 13 to protect the heat insulating layer 14. Therefore, even if it is twisted, bent, or washed, there is little risk of breakage or peeling, and high durability can be expected.

さらに、微細なアルミノ珪酸ソーダガラスは、無数に積層され、且つ断熱面１４ａに沿って平面的にも連鎖した状態になるため、断熱層１４に達した熱は、アルミノ珪酸ソーダガラスの表面で反射され、これによって、透過が抑制されるとともに、アルミノ珪酸ソーダガラスの中空部によって、断熱面１４に沿った平面的な対流熱や伝導熱も抑制される。 Further, since the fine sodium aluminosilicate glass is laminated innumerably and is in a state of being chained in a plane along the heat insulating surface 14a, the heat reaching the heat insulating layer 14 is reflected on the surface of the soda glass aluminosilicate. As a result, permeation is suppressed, and flat convection heat and conduction heat along the heat insulating surface 14 are also suppressed by the hollow portion of the soda-lime aluminosilicate glass.

ちなみに、アルミノ珪酸ソーダガラスが断熱面１４ａに沿って平面的に連鎖する原因について考察すると、該アルミノ珪酸ソーダガラスは中空ビーズ構造であり、且つ断熱塗料（断熱材）が流動性を有する液状であるため、基材１２に塗布された断熱塗料中のアルミノ珪酸ソーダガラスには、乾燥するまでの間、浮力が作用する。この浮力によって、上記アルミノ珪酸ソーダガラスは、断熱塗料の上面側の表層（すなわち、断熱面１４ａ側）に集積される。 Incidentally, considering the cause of the soda glass aluminosilicate being chained in a plane along the heat insulating surface 14a, the soda glass aluminosilicate has a hollow bead structure and the heat insulating paint (heat insulating material) is a liquid having fluidity. Therefore, buoyancy acts on the soda-lime aluminosilicate glass in the heat insulating paint applied to the base material 12 until it dries. Due to this buoyancy, the soda glass aluminosilicate is accumulated on the surface layer (that is, the heat insulating surface 14a side) on the upper surface side of the heat insulating paint.

これが、アルミノ珪酸ソーダガラスが断熱面１４ａに沿って平面的に連鎖する原因の１つと考えられる。これに加えて、断熱塗料は、上記した通り、乾燥の過程で、基材１２に含浸されるため、基材１２の繊維の１本１本に付着した状態になる。 This is considered to be one of the causes of the soda-lime aluminosilicate glass being planarly chained along the heat insulating surface 14a. In addition to this, as described above, the heat insulating paint is impregnated into the base material 12 in the process of drying, so that it is in a state of being attached to each of the fibers of the base material 12.

このような状態では、生体側からの熱が、カバー１３を介して、輻射熱の状態で、アルミノ珪酸ソーダガラスに達し、該アルミノ珪酸ソーダガラスを生体の体温と同程度まで上昇させる。このアルミノ珪酸ソーダガラスは、前記温度上昇に伴って、微量の遠赤外線を、生体側に放射するようになり、これが熱反射の現象となって、生体を心地よく加温する。 In such a state, the heat from the living body side reaches the soda glass aluminosilicate in the state of radiant heat through the cover 13, and the soda glass aluminosilicate is raised to the same level as the body temperature of the living body. As the temperature rises, the soda glass aluminosilicate emits a small amount of far infrared rays to the living body side, which becomes a phenomenon of heat reflection and comfortably warms the living body.

ただし、保温シート４（特に、断熱面１４ａ側）が、生体からの汗や衣類に付着した異物によって、汚れた場合、アルミノ珪酸ソーダガラスの表面に汚れが付着して被膜が形成される。この被膜は、上記遠赤外線を吸収し、保温シート４の上記熱反射の効率を低下させる。 However, when the heat insulating sheet 4 (particularly, the heat insulating surface 14a side) becomes dirty due to sweat from a living body or foreign matter attached to clothing, the surface of the soda-lime aluminosilicate glass becomes dirty and a film is formed. This film absorbs the far infrared rays and reduces the efficiency of the heat reflection of the heat insulating sheet 4.

これを防止するためには、保温シート４を洗濯し、アルミノ珪酸ソーダガラスの表面に形成された汚れの被膜を除去する必要がある。カバー１３によって断熱面１４ａがカバーされるとともに、基材１２が通水性に優れた繊維によって構成されているため、保温シート４を洗濯した場合、基材１２からの断熱塗料の剥離や、基材１２破損が防止されるとともに、基材１２の繊維の１本１本から、汚れを除去できる。 In order to prevent this, it is necessary to wash the heat insulating sheet 4 to remove the stain film formed on the surface of the soda-lime aluminosilicate glass. Since the heat insulating surface 14a is covered by the cover 13 and the base material 12 is made of fibers having excellent water permeability, when the heat insulating sheet 4 is washed, the heat insulating paint is peeled off from the base material 12 and the base material is used. 12 Damage can be prevented, and dirt can be removed from each of the fibers of the base material 12.

以上により、保温シート４を繰返し洗濯することが可能であり、各洗濯において、アルミノ珪酸ソーダガラスの表面に形成された汚れの被膜を確実に除去し、これによって、保温シート４の熱反射の効率を元に戻す（再生を行う）ことが可能になる。 As described above, the heat insulating sheet 4 can be washed repeatedly, and in each washing, the film of dirt formed on the surface of the soda-lime aluminosilicate glass is surely removed, thereby the efficiency of heat reflection of the heat insulating sheet 4. Can be restored (played back).

なお、保温シート４は、掛け布団に適用してもよい他、その他の枕等の寝具に用いてもよく、さらには、膝掛、帽子、靴中敷き、パットその他の装着用具、着座シートに用いてもよい他、人のみならず、犬や猫等のその他の動物に用いてもよい。この際、生体の保温する箇所に配置された保温シート４は、断熱面１４ａを生体に向けた姿勢で、該生体に近づけて使用する。 The heat insulating sheet 4 may be applied to a comforter, other bedding such as pillows, and further, used for a knee rest, a hat, a shoe insole, a pad or other wearing tool, and a seating sheet. It may be used not only for humans but also for other animals such as dogs and cats. At this time, the heat insulating sheet 4 arranged at the place where the living body is kept warm is used with the heat insulating surface 14a facing the living body and close to the living body.

次に、図６に基づき、保温シートの他の実施形態について、上述の形態と異なる点を説明する。 Next, based on FIG. 6, other embodiments of the heat insulating sheet will be described which are different from the above-described embodiments.

図６は、保温シートの他の構成例を示す断面図である。同図に示す保温シート４は、基材１２の全体に断熱塗料を含浸させることにより、基材１２の全体を断熱層１４とし、その両面を、それぞれ断熱面１４ａとし、各断熱面１４ａを、カバー１３によってカバーしている。この際、基材１２の全体に断熱塗料を含浸し易くするため、上述のものと比較して、基材１２の厚みを薄く設定してもよい。 FIG. 6 is a cross-sectional view showing another configuration example of the heat insulating sheet. In the heat insulating sheet 4 shown in the figure, the entire base material 12 is impregnated with the heat insulating paint, so that the entire base material 12 is made into a heat insulating layer 14, both sides thereof are made into heat insulating surfaces 14a, and each heat insulating surface 14a is formed. It is covered by the cover 13. At this time, in order to facilitate impregnation of the entire base material 12 with the heat insulating paint, the thickness of the base material 12 may be set thinner than that described above.

１ 敷布団（保温布団）
２ 敷布団カバー（布団カバー）
２ａ 仕切部
３ 収容部
４ 保温シート
１２ 基材
１２ａ 非断熱面
１３ カバー（カバー体）
１４ａ 断熱面 1 mattress (heat insulation mattress)
2 Mattress cover (comforter cover)
2a Partition 3 Storage 4 Heat insulation sheet 12 Base material 12a Non-insulated surface 13 Cover (cover body)
14a Insulation surface

Claims (1)

人又はその他の動物である生体の表面の保温を行う保温シートであって、
フレキシブルに変更可能なシート状の基材と、
通気性及び通水性が確保され且つ透光性を有する不織布又は織布からなるカバー体とを備え、
前記基材における生体側の面に断熱材を含浸又は塗布することにより断熱面を形成し、
前記断熱材は、中空ビーズ構造であって且つ１０〜５０μｍの粒径を有するアルミノ珪酸ソーダガラスと、顔料としての二酸化チタンとを含み、
前記アルミノ珪酸ソーダガラスの含有量は、前記断熱材の全重量の１０〜２０重量％であり、
前記カバー体によって基材の断熱面をカバーし、
前記カバー体は、上記断熱面に面状に密着された状態で接着され、
前記カバー体は、生体側からの輻射熱を通すことによって、前記アルミノ珪酸ソーダガラスが遠赤外線を放射する温度まで該アルミノ珪酸ソーダガラスを温めるとともに、該アルミノ珪酸ソーダガラスから放射された遠赤外線が生体側に達するように構成された
ことを特徴とする保温シート。 A heat insulating sheet that keeps the surface of a living body, which is a human or other animal, warm.
A sheet-like base material that can be changed flexibly and
It is provided with a cover body made of a non-woven fabric or a woven fabric that ensures breathability and water permeability and has translucency.
A heat insulating surface is formed by impregnating or applying a heat insulating material to the surface of the base material on the living body side.
The heat insulating material contains soda glass aluminosilicate having a hollow bead structure and a particle size of 10 to 50 μm, and titanium dioxide as a pigment.
The content of the soda glass aluminosilicate is 10 to 20% by weight of the total weight of the heat insulating material.
The heat insulating surface of the base material is covered by the cover body, and the heat insulating surface is covered.
The cover body is adhered to the heat insulating surface in a surface-like state.
The cover body, by passing the radiant heat from the living body, until said temperature of aluminosilicate soda glass emits far-infrared rays with warm the aluminosilicate soda glass, far infrared rays radiated from the aluminosilicate soda glass biological A heat insulating sheet characterized by being configured to reach the side.
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