JPH11247540A - Spacer for double glazing and the double glazing - Google Patents
Spacer for double glazing and the double glazingInfo
- Publication number
- JPH11247540A JPH11247540A JP10049741A JP4974198A JPH11247540A JP H11247540 A JPH11247540 A JP H11247540A JP 10049741 A JP10049741 A JP 10049741A JP 4974198 A JP4974198 A JP 4974198A JP H11247540 A JPH11247540 A JP H11247540A
- Authority
- JP
- Japan
- Prior art keywords
- spacer
- glass
- moisture
- hollow layer
- layer
- 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.)
- Pending
Links
Landscapes
- Securing Of Glass Panes Or The Like (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、熱貫流率が低く、
かつ、耐久性にも富んだ複層ガラスを製造するうえで有
用な複層ガラス用のスペーサ及びこれを用いた複層ガラ
スに関する。TECHNICAL FIELD The present invention relates to a low heat transmission coefficient,
Also, the present invention relates to a spacer for a double glazing useful for producing a double glazing having high durability and a double glazing using the spacer.
【０００２】[0002]
【従来の技術】複層ガラスは、ガラス板相互をスペーサ
を介して隔置し、その外周をシール材で封着することに
より、内部空間に気密性の高い中空層を形成することが
でき、優れた断熱性と結露防止効果とを得て省エネルギ
ー効果と快適な住環境とを実現することができることか
ら、寒冷地はもちろん、それ以外の地域における一般住
宅においても広く使用されるようになってきている。2. Description of the Related Art In a double-layer glass, a glass layer having high airtightness can be formed in an internal space by separating the glass plates via a spacer and sealing the outer periphery thereof with a sealing material. Since it is possible to achieve an energy-saving effect and a comfortable living environment by obtaining excellent heat insulating properties and dew condensation preventing effect, it is widely used not only in cold regions but also in general houses in other regions. ing.
【０００３】図４は、従来からある複層ガラスをその要
部を拡大して例示した縦断面図であり、ガラス板１、１
相互は、周縁部におけるやや内方に押し込められたアル
ミニウム製のスペーサ２を介して隔置することにより、
その内部に中空層３が形成されている。しかも、該中空
層３は、スペーサ２とガラス板１との間に介在させた一
次シール材５と、ガラス板１、１相互とスペーサ２とに
より周端部の側に画成される凹部４に充填させた二次シ
ール材６とで封止することにより、外気から遮断されて
いる。なお、図中の符号７は、中空層３と直面する側の
スペーサ２に設けられている通気孔を示す。また、図中
の矢印は、スペーサ２部分を介して一方のガラス板１か
ら他方のガラス板１へと伝達される熱量の変化する様を
模式的に示したものである。FIG. 4 is a vertical cross-sectional view showing a conventional double-glazed glass in which main parts are enlarged.
By mutually separating each other through an aluminum spacer 2 pressed slightly inward at the peripheral edge,
The hollow layer 3 is formed therein. Moreover, the hollow layer 3 has a primary sealing material 5 interposed between the spacer 2 and the glass plate 1 and a concave portion 4 defined on the peripheral end side by the glass plates 1 and 1 and the spacer 2. Is sealed off from the outside air by sealing with the secondary seal material 6 filled in. Reference numeral 7 in the figure indicates a vent provided in the spacer 2 on the side facing the hollow layer 3. The arrows in the figure schematically show how the amount of heat transmitted from one glass plate 1 to the other glass plate 1 via the spacer 2 changes.
【０００４】ところで、従来からある上記スペーサ２
は、アルミニウム材を曲げ加工したり、押出し成形され
て４〜６ｍの定尺物としてまず形成される。また、該定
尺物をスペーサ２として用いる場合には、あらかじめガ
ラス板１の各辺の長さに対応させて個別に切断してお
き、その組立時にコーナー各部を連結片を介して連結す
る手法や、定尺物をガラス板１の各辺の合計長さに対応
する長さとし、これをコーナーごとに折曲しながら周回
させ、その始端と終端とを連結片を介して相互に連結す
る手法が採用されている。By the way, the conventional spacer 2
Is formed first by bending or extruding an aluminum material to form a 4 to 6 m fixed length object. When the fixed-size object is used as the spacer 2, a method is used in which the individual pieces are cut in advance so as to correspond to the lengths of the respective sides of the glass plate 1 and the corners are connected via connecting pieces during assembly. Alternatively, the fixed-length object is made to have a length corresponding to the total length of each side of the glass plate 1, and is turned around while being bent at each corner, and the start end and the end are interconnected via a connection piece. Has been adopted.
【０００５】しかし、上記いずれのスペーサ配設手法に
よっても、得られる複層ガラスには、熱伝導率の低い中
空層３のみが介在しているガラス板１、１の面央部と、
熱貫流率が約５ｋｃａｌ／ｍ2 ｈ℃である熱伝導率の高
いアルミニウム製のスペーサ２を介在させてある周端部
との断熱性能に大きな差が出てしまい、結果的に複層ガ
ラスの周端部に結露を生じさせたり、複層ガラス自体の
断熱性能を劣化させてしまうといった問題があった。特
に、厚みの薄い複層ガラスにおいては、かかる傾向が顕
在化する不具合があった。[0005] However, in any of the above-described spacer disposing methods, the obtained double-glazed glass has a central part of the glass plates 1 and 1 in which only the hollow layer 3 having low thermal conductivity is interposed.
There is a large difference in the heat insulation performance from the peripheral end portion where the heat transfer coefficient is about 5 kcal / m 2 h ° C. and the high thermal conductivity aluminum spacer 2 is interposed. There has been a problem that dew condensation occurs at the peripheral end portion, and the heat insulating performance of the double glazing itself is deteriorated. In particular, in the case of a double-layered glass having a small thickness, there is a problem that such a tendency becomes apparent.
【０００６】[0006]
【発明が解決しようとする課題】一方、上記の熱伝導率
の高いアルミニウム製スペーサの代わりに、硬質樹脂製
のスペーサを用いて、一方のガラス板から他方のガラス
板への熱量の伝達を防止することが提案されている（例
えば特開昭６０−１６８８９０）。この場合、硬質樹脂
製のスペーサの中空層に直面する側と反対側の面から水
分が浸透しやすくなるので、この面に透湿防止層を設け
ることになる。On the other hand, instead of the aluminum spacer having a high thermal conductivity, a spacer made of a hard resin is used to prevent the transmission of heat from one glass plate to the other glass plate. (For example, Japanese Patent Laid-Open No. 60-168890). In this case, moisture easily penetrates from the surface of the hard resin spacer opposite to the surface facing the hollow layer, so that a moisture permeation preventing layer is provided on this surface.
【０００７】上記公報によれば、スペーサのガラス板に
対向する部分にはシールリップが設けられている。これ
により、スペーサとガラス板との隙間を埋め、密着性を
高めることを意図している。ところが、これだけでは充
分な透湿防止を得るための密着性は得られない。According to the above publication, a seal lip is provided at a portion of the spacer facing the glass plate. This is intended to fill the gap between the spacer and the glass plate, and to enhance the adhesion. However, this alone does not provide sufficient adhesion to obtain sufficient moisture permeation prevention.
【０００８】そこで、上記公報にあるスペーサを用い
て、図４に示す複層ガラスに適用させることが考えられ
る。これにより、スペーサからの熱伝導を低減でき、し
かもスペーサとガラス板との間からの湿気の侵入を低減
できる。Therefore, it is conceivable to use the spacer disclosed in the above-mentioned publication to apply it to the double glazing shown in FIG. Thus, heat conduction from the spacer can be reduced, and intrusion of moisture from between the spacer and the glass plate can be reduced.
【０００９】ところで、複層ガラス用の一次シール材と
しては、通常、粘着性があり低透湿性の樹脂材料が用い
られ、特にブチルゴムが好ましく用いられている。こう
したブチルゴム等の低透湿性樹脂材料は、確かに低い透
湿性能を有しているものの、湿気を遮断する領域間にあ
る程度の幅をもって介在されなければ充分な効果を発揮
できない。例えば、３ｍｍ程度の一次シール材の幅では
湿気が透過してしまう。一次シール材の断面ガラス板面
方向の長さは通常５ｍｍ程度であるため、この方向から
中空層に向かって侵入する湿気を防止できる。しかし、
一次シール材の断面ガラス板に垂直な方向の厚さは通常
０．５ｍｍ程度であるため、この方向からスペーサに向
かって侵入する湿気を防止できない。By the way, as a primary sealing material for double-glazing, a resin material having adhesiveness and low moisture permeability is usually used, and butyl rubber is particularly preferably used. Such a low-moisture-permeable resin material such as butyl rubber certainly has low moisture-permeability, but cannot exert a sufficient effect unless it is interposed with a certain width between the regions that block moisture. For example, when the width of the primary sealing material is about 3 mm, moisture will permeate. Since the length of the primary sealing material in the direction of the cross section of the glass sheet is usually about 5 mm, it is possible to prevent moisture from entering the hollow layer from this direction. But,
Since the thickness of the primary sealing material in the direction perpendicular to the cross section of the glass plate is usually about 0.5 mm, it is impossible to prevent moisture from entering the spacer from this direction.
【００１０】そのため、一次シール材を透過した湿気が
スペーサに到達することになり、スペーサが硬質樹脂製
のものである場合には、ここから水分が中空層に向かっ
て侵入することになる。すなわち、上記公報のスペーサ
が中空層に直面する側と反対側の面に透湿防止層を有す
るものであっても、スペーサのガラス板面に対向する側
面からの湿気透過を防止できない。Therefore, the moisture that has passed through the primary sealant reaches the spacer, and when the spacer is made of a hard resin, moisture penetrates into the hollow layer from here. That is, even if the spacer disclosed in the above publication has a moisture permeation preventing layer on the surface opposite to the side facing the hollow layer, it is not possible to prevent moisture permeation from the side surface of the spacer facing the glass plate surface.
【００１１】本発明は従来技術にみられた上記課題に鑑
み、複層ガラスにおける周端部の熱貫流率を低下させて
断熱性を向上させるとともに、透湿機能を高めて耐久性
を向上させることができる複層ガラス用のスペーサ及び
これを用いた複層ガラスを提供することをその目的とす
る。In view of the above-mentioned problems in the prior art, the present invention improves heat insulation by lowering the heat transmission coefficient at the peripheral end of a double-glazed glass, and improves durability by improving a moisture-permeable function. It is an object of the present invention to provide a double-glazed spacer capable of being used and a double-glazed glass using the same.
【００１２】[0012]
【課題を解決するための手段】本発明は上記目的を達成
すべくなされたものであり、そのうち、複層ガラス用の
スペーサの構成上の特徴は、複層ガラスを構成するガラ
ス板相互間に中空層を形成すべく介在配置される複層ガ
ラス用のスペーサにおいて、該スペーサは、硬質樹脂材
からなるスペーサ本体部と、該スペーサ本体部にあって
少なくとも前記中空層に直面する部位を除く外周面に金
属材を被着させてなる透湿防止部とで形成したことにあ
る。DISCLOSURE OF THE INVENTION The present invention has been made to achieve the above-mentioned object. Among them, the structural feature of the spacer for a double glazing is that the spacer between the glass plates constituting the double glazing is interposed. In a spacer for a double-glazed glass interposed so as to form a hollow layer, the spacer includes a spacer main body made of a hard resin material and an outer periphery of the spacer main body excluding at least a portion facing the hollow layer. It is formed of a moisture permeation preventing portion formed by applying a metal material to the surface.
【００１３】また、本発明に係る複層ガラスの構成上の
特徴は、複数枚のガラス板と、該複数のガラス板相互間
に中空層が形成されるように複数のガラス板の周縁部に
介在配置されるスペーサと、該スペーサとガラス板との
間に介在される一次シール材と、前記スペーサの中空層
に直面しない側の基底面とガラス板の周縁部とで形成さ
れる凹部に充填された二次シール材とを備えた複層ガラ
スにおいて、前記スペーサは、前記中空層に直面する面
板部とガラス板面に対向する側板部と中空層に直面しな
い側の基底板部とを備えた硬質樹脂製のスペーサ本体部
と、前記面板部を除く側板部と基底板部とに被着された
金属製の透湿防止部とからなることにある。この場合、
前記一次シール材のガラス板に当接する断面長さが３．
５〜１０．０ｍｍ、前記一次シールの断面厚さが０．３
〜１．０ｍｍであることが好ましい。Further, the structural characteristics of the double-glazed glass according to the present invention are characterized in that a plurality of glass plates and a peripheral portion of the plurality of glass plates are formed so that a hollow layer is formed between the plurality of glass plates. Filling a recess formed by an interposed spacer, a primary sealing material interposed between the spacer and the glass plate, and a base surface of the spacer not facing the hollow layer and a peripheral portion of the glass plate. In the double-glazed glass provided with a secondary sealing material, the spacer includes a face plate portion facing the hollow layer, a side plate portion facing the glass plate surface, and a base plate portion not facing the hollow layer. A hard resin spacer main body, and a metal moisture permeation preventing portion attached to the side plate and the base plate excluding the face plate. in this case,
2. The cross-sectional length of the primary sealing material in contact with the glass plate is 3.
5 to 10.0 mm, the cross-sectional thickness of the primary seal is 0.3
It is preferably about 1.0 mm.
【００１４】[0014]
【発明の実施の形態】図１は本発明に係るスペーサの一
例を拡大して示す要部縦断面図であり、ガラス板相互間
に中空層を形成すべく介在配置される複層ガラス用のス
ペーサ１１は、断熱性に富む硬質樹脂材からなるスペー
サ本体部１２と、該スペーサ本体部１２にあって少なく
とも通気孔１７を有して前記中空層に直面する部位を除
く外周面、つまり、中空層と対向して直に接する面板部
１３を除いたその他の一側板部１４と基底板部１５と他
側板部１６との外側面に金属材を被着させてなる透湿防
止部１８とで形成されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is an enlarged longitudinal sectional view showing an example of a spacer according to the present invention. The spacer for a double-layer glass interposed to form a hollow layer between glass plates is shown in FIG. The spacer 11 includes a spacer main body 12 made of a hard resin material having a high heat insulating property, and an outer peripheral surface of the spacer main body 12 that has at least a vent hole 17 and faces the hollow layer, that is, a hollow surface. The other one-side plate portion 14 excluding the face plate portion 13 that is in direct contact with the layer and the moisture-permeable portion 18 formed by applying a metal material to the outer surfaces of the base plate portion 15 and the other side plate portion 16. Is formed.
【００１５】この場合、スペーサ本体部１２は、ポリ塩
化ビニル（ＰＶＣ）、アクリロニトリル−スチレン共重
合体、アクリロニトリル−スチレン−スチレン共重合
体、ポリプロピレン、ポリエチレンの等の硬質合成樹脂
材料から形成される。透湿防止部１８は、鉄、ステンレ
ス（ＳＵＳ）、アルミニウム等の金属材料から形成され
る。そして、既に形成された透湿防止部１８に対してス
ペーサ本体部１２の断面形状で硬質合成樹脂材料を押出
成形し、両者を一体化することによりスペーサ１１が形
成されている。In this case, the spacer body 12 is made of a hard synthetic resin material such as polyvinyl chloride (PVC), acrylonitrile-styrene copolymer, acrylonitrile-styrene-styrene copolymer, polypropylene, polyethylene and the like. The moisture permeability preventing portion 18 is formed from a metal material such as iron, stainless steel (SUS), and aluminum. Then, a hard synthetic resin material is extruded with the cross-sectional shape of the spacer main body portion 12 from the moisture permeability preventing portion 18 already formed, and the two are integrated to form the spacer 11.
【００１６】両者の好ましい特性をバランスよく得るた
めには、スペーサ本体部１２の材料としてＰＶＣを用
い、透湿防止部１８の材料としてＳＵＳを用いる組み合
わせが好ましく、この場合には熱貫流率が約３ｋｃａｌ
／ｍ2 ｈ℃程度のスペーサ１１を得ることができる。ス
ペーサ本体部１２の材料としてＰＶＣを用いる理由は、
成形性に優れ、価格的にも安価であり、汎用性に優れて
いるからである。また、透湿防止部１８の材料としてＳ
ＵＳを用いる理由は、防錆性能と透湿防止性能とに優れ
ているほか、熱伝導率が低いからである。なお、ＳＵＳ
を用いて形成される透湿防止部１８の厚さについては、
０．０１〜１．０ｍｍの範囲で適宜選択することができ
るが、断熱性能との関係を考慮するならば、上記範囲内
でできるだけ薄い厚さとなるように形成するのが望まし
い。In order to obtain a favorable balance between the two properties, it is preferable to use a combination of PVC as the material of the spacer body 12 and SUS as the material of the moisture permeation preventing portion 18. In this case, the heat transmission coefficient is about 3kcal
/ M 2 h ° C. can be obtained. The reason for using PVC as the material of the spacer body 12 is as follows.
This is because they are excellent in moldability, inexpensive in price, and excellent in versatility. Further, as the material of the moisture permeation preventing part 18, S
US is used because it is excellent in rust prevention performance and moisture permeability prevention performance and has low thermal conductivity. In addition, SUS
Regarding the thickness of the moisture permeability preventing portion 18 formed by using
The thickness can be appropriately selected within a range of 0.01 to 1.0 mm. However, in consideration of the relationship with the heat insulating performance, it is preferable that the thickness be as thin as possible within the above range.
【００１７】一方、図２は、本発明に係るスペーサの他
例を分解した状態のもとで拡大して示す要部縦断面図で
あり、スペーサ２１は、スペーサ本体部２２と透湿防止
部２８とを別体に形成し、該透湿防止部２８を後付けで
スペーサ本体部２２に嵌着して、もしくは接着剤を用い
て接合固着して組み付けることにより形成されている。On the other hand, FIG. 2 is an enlarged longitudinal sectional view showing a main part of another embodiment of the spacer according to the present invention in an exploded state. 28 are formed separately from each other, and the moisture permeation preventing portion 28 is attached to the spacer main body portion 22 by retrofitting, or is bonded and fixed using an adhesive to be assembled.
【００１８】この場合、スペーサ本体部２２は、中空層
と対向して直に接する面板部２３と、該面板部２３の長
さ方向での一側縁からその面方向に直交する方向へと延
設された一側板部２４と、該一側板部２４の開放端から
断面が略船形状となって面板部２３と平行となる方向へ
と延設された基底板部２５と、該基底板部２５の開放端
から延設されて面板部２３の他側縁と一体に連続する他
側板部２６とで形成されている。In this case, the spacer body 22 has a face plate 23 which is in direct contact with the hollow layer and extends from one side edge in the longitudinal direction of the face plate 23 in a direction orthogonal to the surface. A side plate 24 provided, a base plate 25 extending in a direction substantially parallel to the face plate 23 with a cross section substantially in a ship shape from an open end of the one side plate 24; The other side plate 26 is formed integrally with the other side edge of the face plate 23 so as to extend from the open end of the front plate 25.
【００１９】また、上記構成からなるスペーサ本体部２
２の全体は、図１のスペーサ本体部１２と同様の硬質合
成樹脂材料により、押出成形等の種々の手法を用いるこ
とにより成形されている。Further, the spacer body 2 having the above configuration
The whole of 2 is formed from the same hard synthetic resin material as that of the spacer body 12 in FIG. 1 by using various methods such as extrusion.
【００２０】さらに、透湿防止部２８は、スペーサ本体
部２２にあって少なくとも通気孔２７を有して中空層に
直面する部位を除く外周面、つまり、中空層と対向して
直に接する面板部２３を除いた一側板部２４と基底板部
２５と他側板部２６との外側面を覆って被着できるよう
に形成されている。Further, the moisture permeation preventing portion 28 is provided on the outer peripheral surface of the spacer body 22 except for a portion having at least the ventilation hole 27 and facing the hollow layer, that is, a face plate directly facing the hollow layer. It is formed so as to cover the outer surfaces of the one side plate portion 24, the base plate portion 25, and the other side plate portion 26 excluding the portion 23 so as to be able to be attached.
【００２１】すなわち、透湿防止部２８は、図２からも
明らかなように、スペーサ本体部２２における一側板部
２４に密着してこれを覆う一側片部２９と、該一側片部
２９から延設されて基底板部２５に密着してこれを覆う
基底片部３０と、該基底片部３０から延設されて他側板
部２６に密着してこれを覆う他側片部３１とを有して一
体に形成されている。That is, as is clear from FIG. 2, the moisture-permeable preventing portion 28 includes a one-side piece 29 that is in close contact with and covers the one-side plate 24 of the spacer body 22. A base piece 30 extending from the base plate portion 25 and closely covering the base plate portion 25, and another side piece portion 31 extending from the base piece portion 30 and closely contacting and covering the other side plate portion 26. And are integrally formed.
【００２２】しかも、透湿防止部２８がスペーサ本体部
２２に嵌着して組み付けるものである場合には、一側片
部２９の開放縁と他側片部３１の開放縁とのそれぞれか
らスペーサ本体部２２の面板部２３に沿わせて各別に若
干延設された支腕部３２、３３を設けておくのが好まし
く、これらの支腕部３２、３３を介して透湿防止部２８
をスペーサ本体部２２の側に離脱困難に組み付けること
ができる。なお、透湿防止部２８を接着剤を用いてスペ
ーサ本体部２２に組み付ける場合には、支腕部３２、３
３を設けることなく、断面略コ字形を呈する形状に形成
したものを用いることができる。Further, when the moisture-permeable preventing portion 28 is fitted and assembled to the spacer main body portion 22, the spacer is formed from the open edge of the one-side piece portion 29 and the open edge of the other-side piece portion 31 respectively. It is preferable to provide supporting arms 32, 33 slightly extending separately from each other along the face plate 23 of the main body 22, and through these supporting arms 32, 33, the moisture permeability preventing section 28 is provided.
Can be attached to the side of the spacer body 22 in a manner that makes it difficult to remove the spacer. When the moisture permeation preventing portion 28 is assembled to the spacer body 22 using an adhesive, the support arms 32, 3
It is possible to use a member formed in a shape having a substantially U-shaped cross section without providing 3.
【００２３】透湿防止部２８の全体は、図１の透湿防止
部２８と同様の金属材料により板状材を適宜の成形手法
を用いて折曲することにより形成することができる。こ
の場合に用いられる板状材は、好ましい保形性と可撓性
とを同時に得る観点から０．０１〜１．０ｍｍの厚さが
付与されて形成されているものを好適に用いることがで
きる。The entirety of the moisture permeation preventing portion 28 can be formed by bending a plate-shaped material using the same metal material as that of the moisture permeation preventing portion 28 in FIG. 1 by using an appropriate molding technique. As the plate-shaped material used in this case, a plate-shaped material having a thickness of 0.01 to 1.0 mm can be suitably used from the viewpoint of simultaneously obtaining preferable shape retention and flexibility. .
【００２４】本発明に係るスペーサ１１または２１は、
このようにして構成されているので、合成樹脂材からな
るスペーサ本体部１２または２２と、該スペーサ本体部
１２または２２の少なくとも一側板部１４または２４と
基底板部１５または２５と他側板部１６または２６との
外側面に被着させた金属材からなる透湿防止部１８また
は２８とで、スペーサ１１または２１の熱貫流率を３ｋ
ｃａｌ／ｍ2 ｈ℃前後にまで低下させることができるの
で、優れた断熱性能をスペーサ１１または２１に付与す
ることができる。The spacer 11 or 21 according to the present invention comprises:
With this configuration, the spacer main body 12 or 22 made of a synthetic resin material, at least one side plate 14 or 24 of the spacer main body 12 or 22, the base plate 15 or 25, and the other side plate 16 Or 26 and the moisture permeation preventing portion 18 or 28 made of a metal material adhered to the outer surface, and the heat transmission coefficient of the spacer 11 or 21 is 3 k.
Since cal / m 2 h ° C. can be reduced to about cal / m 2 h °, excellent heat insulating performance can be imparted to the spacer 11 or 21.
【００２５】しかも、スペーサ１１または２１は、防錆
性能と透湿防止性能とに優れた透湿防止部１８または２
８を備えているので、これを用いることにより複層ガラ
スの周端部に結露が生じる不具合を解消して耐久性の向
上に寄与させることができる。Further, the spacers 11 or 21 are provided with the moisture-permeable preventing portions 18 or 2 having excellent rust-preventing performance and moisture-permeable preventing performance.
Because of the provision of 8, the use of this makes it possible to solve the problem that dew condensation occurs at the peripheral end of the double-glazed glass and contribute to the improvement of durability.
【００２６】また、スペーサ本体部１２と透湿防止部１
８とを一体成形してなるスペーサ１１を用いる場合に
は、複層ガラスの製造工程における現場作業を簡便化す
ることができる。Further, the spacer body 12 and the moisture permeation preventing section 1
In the case of using the spacer 11 integrally formed with the spacer 8, the on-site work in the manufacturing process of the double glazing can be simplified.
【００２７】さらに、スペーサ本体部２２と透湿防止部
２８とを別体に形成し、該透湿防止部２８を後付けでス
ペーサ本体部２２に嵌着したり、接着剤を用いて接合固
着して組み付けてなるスペーサ２１を用いる場合には、
その組付け作業をやや煩雑化させはするものの、スペー
サ本体部２２に対し最適条件を満たす透湿防止部２８を
個別に選択しながら組み付けることができるので、より
好ましい断熱性能と性と透湿防止性能とを得ることがで
きる。Further, the spacer main body 22 and the moisture permeation preventing portion 28 are formed separately, and the moisture permeation preventing portion 28 is fitted to the spacer main body 22 by retrofitting, or bonded and fixed using an adhesive. When using the spacer 21 assembled by
Although the assembling work is made a little complicated, it is possible to assemble the spacer main body 22 while individually selecting the moisture-permeation preventing portions 28 satisfying the optimum conditions. Performance can be obtained.
【００２８】図３は、図１に示すスペーサ１１を用いた
本発明に係る複層ガラスの一例を示す要部縦断面図であ
る。スペーサ１１は、２枚のガラス板１、１間の周縁部
に介在配置されていて、中空層３が形成されるようにガ
ラス板１、１を隔置させている。スペーサ１１と両ガラ
ス板１、１面との間には一次シール材５が介在されてい
る。スペーサ１１の中空層３に直面しない側の基底面と
ガラス板１、１の周縁部とで形成される凹部４には、二
次シール材６が充填されている。FIG. 3 is a longitudinal sectional view of an essential part showing an example of the double-glazing according to the present invention using the spacer 11 shown in FIG. The spacer 11 is interposed between the two glass plates 1 and 1 at the periphery thereof, and separates the glass plates 1 and 1 so that the hollow layer 3 is formed. A primary sealing material 5 is interposed between the spacer 11 and the two glass plates 1 and 1. The recess 4 formed by the base surface of the spacer 11 not facing the hollow layer 3 and the peripheral edge of the glass plates 1 and 1 is filled with the secondary sealing material 6.
【００２９】スペーサ１１は、中空層３に直面する面板
部１３と、ガラス板１、１面に対向する一側板部１４と
他側板部１６と、中空層３に直面しない側の基底板部１
５とを備えた硬質樹脂製のスペーサ本体部１２と、面板
部１３を除く一側板部１４と基底板部１５と他側板部１
６とに被着された金属製の透湿防止部１８とを備えたも
のである。スペーサ本体部１２の面板部１３には通気孔
１７が設けられていて、スペーサ１１内部の乾燥剤が中
空層３内の水分を吸収できるようになっている。The spacer 11 includes a face plate portion 13 facing the hollow layer 3, one side plate portion 14 and the other side plate portion 16 facing the glass plate 1, 1, and a base plate portion 1 not facing the hollow layer 3.
5, a one-side plate portion 14, a base plate portion 15, and the other-side plate portion 1 excluding the face plate portion 13.
6 and a metal moisture-permeation preventing portion 18 attached to the base member 6. Vent holes 17 are provided in the face plate 13 of the spacer body 12 so that the desiccant inside the spacer 11 can absorb the moisture in the hollow layer 3.
【００３０】一次シール材５のガラス板１、１に当接す
る断面長さａは３．５〜１０．０ｍｍであり、一次シー
ルの断面厚さｂは０．３〜１．０ｍｍである。断面長さ
ａを３．５〜１０．０ｍｍとすることで、一次シール材
５の断面長さ方向から中空層３に向かって侵入する湿気
を防止できる。一方、断面厚さｂは０．３〜１．０ｍｍ
である。The cross-sectional length a of the primary seal material 5 in contact with the glass plates 1 and 1 is 3.5 to 10.0 mm, and the cross-sectional thickness b of the primary seal is 0.3 to 1.0 mm. By setting the cross-sectional length a to 3.5 to 10.0 mm, it is possible to prevent moisture from entering the hollow layer 3 from the cross-sectional length direction of the primary sealing material 5. On the other hand, the section thickness b is 0.3 to 1.0 mm
It is.
【００３１】スペーサ１１とガラス板１、１との間の密
着性を向上させるためには、スペーサ１１とガラス板
１、１との間にシール材５を介在させた後に圧着させる
ことになる。さらに、断面長さａを上記寸法としても、
充分に圧着されていないと湿気透過の防止を効果的に発
揮できないことがあるので、この圧着処理は有効であ
る。こうした圧着処理が施されることにより、一次シー
ル材５の断面厚さｂは０．３〜１．０ｍｍとなる。In order to improve the adhesion between the spacer 11 and the glass plates 1, 1, the sealing material 5 is interposed between the spacer 11 and the glass plates 1, 1 and then pressed. Furthermore, even if the cross-sectional length a is the above dimension,
This pressure bonding process is effective because it may not be possible to effectively prevent moisture permeation unless the pressure bonding is sufficient. By performing such pressure bonding, the cross-sectional thickness b of the primary sealing material 5 becomes 0.3 to 1.0 mm.
【００３２】ところで、上記のとおり一次シール材５の
断面長さ方向から中空層３への透湿を防止できるが、断
面厚さ方向には、この厚さｂが０．３〜１．０ｍｍなの
で透湿を防止しきれない。硬質樹脂製のスペーサを用い
た場合、断面厚さ方向からの透湿があると、さらに硬質
樹脂製スペーサを湿気が透過し水分が中空層に到達して
しまう。As described above, it is possible to prevent moisture from penetrating into the hollow layer 3 from the longitudinal direction of the cross section of the primary sealing material 5, but since the thickness b is 0.3 to 1.0 mm in the cross sectional thickness direction, We cannot prevent moisture permeation. In the case where a hard resin spacer is used, if there is moisture permeation in the cross-sectional thickness direction, moisture permeates further through the hard resin spacer and moisture reaches the hollow layer.
【００３３】これに対し本発明におけるスペーサ１１
は、その本体部１２が熱伝導率の低い硬質樹脂製のもの
であり、スペーサ本体部１２の一次シール材５に対向す
る面に金属製の透湿防止部１８が一体化されている。そ
のため、一次シール材５の断面厚み方向からスペーサ１
１に向かって透湿しても、金属製の透湿防止部１８によ
り硬質樹脂製のスペーサ本体部１２への湿気の侵入を防
止できる。こうして、熱伝導率の低い硬質樹脂を用いつ
つ透湿を防止して、湿気透過による耐久性の低下という
犠牲をはらわずに断熱性に優れた複層ガラスを得ること
ができる。On the other hand, the spacer 11 in the present invention
The main body portion 12 is made of a hard resin having a low thermal conductivity, and a metal moisture permeability preventing portion 18 is integrated with a surface of the spacer main body portion 12 facing the primary sealing material 5. Therefore, the spacers 1 are arranged in the thickness direction of the cross section of the primary seal material 5.
Even if the moisture permeates toward 1, the moisture permeation preventing portion 18 made of metal can prevent moisture from entering the hard resin spacer main body 12. In this way, it is possible to obtain a double-glazed glass excellent in heat insulation without using a hard resin having a low thermal conductivity to prevent moisture permeation and without sacrificing a decrease in durability due to moisture permeation.
【００３４】なお、上記例では、一次シール材５として
ブチルゴム、二次シール材６としてポリサルファイド、
スペーサ本体部１２の材料として硬質塩化ビニル樹脂、
透湿防止部１８の材料としてＳＵＳを用い、ａ＝５ｍ
ｍ、ｂ＝０．５ｍｍとした。In the above example, butyl rubber is used as the primary seal material 5, polysulfide is used as the secondary seal material 6,
Hard vinyl chloride resin as a material of the spacer body 12,
SUS is used as the material of the moisture permeation preventing part 18 and a = 5 m
m and b = 0.5 mm.
【００３５】[0035]
【発明の効果】以上述べたように本発明によれば、スペ
ーサは、断熱性に富む硬質樹脂材からなるスペーサ本体
部と、該スペーサ本体部にあって少なくとも前記中空層
に直面する部位を除く外周面に金属材を被着させてなる
透湿防止部とで形成されているので、熱貫流率の低い優
れた断熱性能を付与することができる。As described above, according to the present invention, the spacer excludes a spacer main body made of a hard resin material having a high heat insulating property and at least a part of the spacer main body which faces the hollow layer. Since the outer peripheral surface is formed of the moisture permeation preventing portion formed by applying a metal material, excellent heat insulating performance with a low heat transmission coefficient can be provided.
【００３６】しかも、スペーサは、防錆性能と透湿防止
性能とに優れた透湿防止部を備えているので、複層ガラ
スの周端部に結露が生じる不具合を解消して耐久性の向
上に寄与させることができる。Moreover, since the spacer is provided with a moisture permeation preventive portion having excellent rust prevention performance and moisture permeation prevention performance, the disadvantage that dew condensation occurs at the peripheral end portion of the double glazing is eliminated and the durability is improved. Can be contributed.
【００３７】また、スペーサ本体部と透湿防止部とを一
体成形してなるスペーサを用いる場合には、複層ガラス
の製造工程における現場作業を簡便化することができ
る。When a spacer formed by integrally forming the spacer main body and the moisture permeation preventing portion is used, the on-site work in the manufacturing process of the double glazing can be simplified.
【００３８】さらに、スペーサ本体部と透湿防止部とを
別体に形成し、該透湿防止部を後付けでスペーサ本体部
に組み付けてなるスペーサを用いる場合には、スペーサ
本体部に対し最適条件を満たす透湿防止部を個別に選択
しながら組み付けることができるので、より好ましい断
熱性能と透湿防止性能とを得ることができる。Further, in the case where the spacer main body and the moisture permeation preventing portion are formed separately from each other, and the moisture permeation preventing portion is retrofitted to the spacer main body, the optimum condition for the spacer main body is used. Therefore, it is possible to obtain more preferable heat insulating performance and moisture permeation preventing performance.
【図１】本発明に係るスペーサの好適例を示す要部縦断
面図。FIG. 1 is a longitudinal sectional view of a main part showing a preferred example of a spacer according to the present invention.
【図２】本発明に係るスペーサの他例を示す要部縦断面
図。FIG. 2 is a longitudinal sectional view of a main part showing another example of the spacer according to the present invention.
【図３】本発明に係る複層ガラスの好適例を示す要部縦
断面図。FIG. 3 is a longitudinal sectional view of a main part showing a preferred example of a double glazing according to the present invention.
【図４】複数の中空層を備える複層ガラスの従来構造例
を示す要部縦断面図。FIG. 4 is a longitudinal sectional view of a main part showing an example of a conventional structure of a double glazing having a plurality of hollow layers.
１１、２１：スペーサ １２、２２：スペーサ本体部 １３、２３：面板部 １４、２４：一側板部 １５、２５：基底板部 １６、２６：他側板部 １７、２７：通気孔 １８、２８：透湿防止部 ２９：一側片部 ３０：基底片部 ３１：他側片部 ３２、３３：支腕部 11, 21: Spacer 12, 22: Spacer body 13, 23: Face plate 14, 24: One side plate 15, 25: Base plate 16, 26: Other side plate 17, 27: Vent 18, 28: Transparent Moisture prevention part 29: one side piece 30: base piece 31: other side piece 32, 33: arm
───────────────────────────────────────────────────── フロントページの続き (72)発明者 野口 文夫 神奈川県横浜市鶴見区末広町１丁目１番地 旭硝子株式会社内 (72)発明者 山本 信義 神奈川県横浜市神奈川区羽沢町1150番地 旭硝子株式会社内 (72)発明者 平島 重敏 神奈川県横浜市神奈川区羽沢町1150番地 旭硝子株式会社内 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Fumio Noguchi 1-1-1, Suehirocho, Tsurumi-ku, Yokohama-shi, Kanagawa Prefecture Within Asahi Glass Co., Ltd. (72) Inventor Nobuyoshi Yamamoto 1150 Hazawacho, Kanagawa-ku, Yokohama-shi, Kanagawa Prefecture Asahi Glass Co., Ltd. (72) Inventor Shigetoshi Hirashima 1150 Hazawa-cho, Kanagawa-ku, Yokohama, Kanagawa Prefecture Inside Asahi Glass Co., Ltd.
Claims (3)
空層を形成すべく介在配置される複層ガラス用のスペー
サにおいて、 該スペーサは、硬質樹脂材からなるスペーサ本体部と、
該スペーサ本体部にあって少なくとも前記中空層に直面
する部位を除く外周面に金属材を被着させてなる透湿防
止部とで形成したことを特徴とする複層ガラス用のスペ
ーサ。1. A spacer for a multi-layer glass which is interposed and disposed so as to form a hollow layer between glass plates constituting a multi-layer glass, the spacer comprising: a spacer main body made of a hard resin material;
A spacer for double glazing, wherein the spacer body is formed of a moisture permeation preventing portion formed by applying a metal material to an outer peripheral surface excluding at least a portion facing the hollow layer.
互間に中空層が形成されるように複数のガラス板の周縁
部に介在配置されるスペーサと、該スペーサとガラス板
との間に介在される一次シール材と、前記スペーサの中
空層に直面しない側の基底面とガラス板の周縁部とで形
成される凹部に充填された二次シール材とを備えた複層
ガラスにおいて、 前記スペーサは、前記中空層に直面する面板部とガラス
板面に対向する側板部と中空層に直面しない側の基底板
部とを備えた硬質樹脂製のスペーサ本体部と、前記面板
部を除く側板部と基底板部とに被着された金属製の透湿
防止部とからなることを特徴とする複層ガラス。2. A plurality of glass plates, a spacer interposed between the plurality of glass plates so as to form a hollow layer between the plurality of glass plates, and a spacer interposed between the spacers and the glass plates. In a double-layer glass provided with a primary sealing material interposed therebetween, and a secondary sealing material filled in a concave portion formed by a base surface not facing the hollow layer of the spacer and a peripheral portion of the glass plate. The spacer is a hard resin spacer main body including a face plate portion facing the hollow layer, a side plate portion facing the glass plate surface, and a base plate portion not facing the hollow layer, and the face plate portion. A double-glazed glass comprising a metal moisture-permeable preventing portion attached to a side plate portion and a base plate portion excepted.
面長さが３．５〜１０．０ｍｍ、前記一次シールの断面
厚さが０．３〜１．０ｍｍであることを特徴とする請求
項２記載の複層ガラス。3. A cross-sectional length of the primary seal material in contact with a glass plate is 3.5 to 10.0 mm, and a cross-sectional thickness of the primary seal is 0.3 to 1.0 mm. Item 2. The double-glazed glass according to Item 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10049741A JPH11247540A (en) | 1998-03-02 | 1998-03-02 | Spacer for double glazing and the double glazing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10049741A JPH11247540A (en) | 1998-03-02 | 1998-03-02 | Spacer for double glazing and the double glazing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11247540A true JPH11247540A (en) | 1999-09-14 |
Family
ID=12839623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10049741A Pending JPH11247540A (en) | 1998-03-02 | 1998-03-02 | Spacer for double glazing and the double glazing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11247540A (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008512335A (en) * | 2004-09-09 | 2008-04-24 | テクノファーム キャプラノ ウント ブレンホファー ゲーエムベーハー ウント コーカーゲー | Spacer profile for spacer frame and insulation window unit for insulation window unit |
| KR101022005B1 (en) | 2009-12-31 | 2011-03-16 | 김백두 | Manufacturing process of triple multi-layer glass using space bar made up of different material |
| KR101021849B1 (en) | 2009-12-31 | 2011-03-17 | 김백두 | Triple multi-layer glass with dual space bar structure |
| KR101021859B1 (en) | 2009-12-31 | 2011-03-17 | 김백두 | Triple multi-layer glass using space bar made up of different material |
| KR101021866B1 (en) | 2009-12-31 | 2011-03-17 | 김백두 | Triple multi-layer glass using nonmetal space bar made up of same material |
| KR101021871B1 (en) | 2009-12-31 | 2011-03-17 | 김백두 | Manufacturing process of triple multi-layer glass using space bar made up of same material |
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| JP2017534779A (en) * | 2014-09-25 | 2017-11-24 | サン−ゴバン グラス フランスＳａｉｎｔ−Ｇｏｂａｉｎ Ｇｌａｓｓ Ｆｒａｎｃｅ | Spacers used in insulating glazing units |
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-
1998
- 1998-03-02 JP JP10049741A patent/JPH11247540A/en active Pending
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| JP2015036354A (en) * | 2013-08-13 | 2015-02-23 | 旭硝子株式会社 | Construction method of multiple glass window, and multiple glass window |
| JP2017534779A (en) * | 2014-09-25 | 2017-11-24 | サン−ゴバン グラス フランスＳａｉｎｔ−Ｇｏｂａｉｎ Ｇｌａｓｓ Ｆｒａｎｃｅ | Spacers used in insulating glazing units |
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