JP2007197288A - Laminated glass and glass window structure using the same - Google Patents

Laminated glass and glass window structure using the same Download PDF

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JP2007197288A
JP2007197288A JP2006020551A JP2006020551A JP2007197288A JP 2007197288 A JP2007197288 A JP 2007197288A JP 2006020551 A JP2006020551 A JP 2006020551A JP 2006020551 A JP2006020551 A JP 2006020551A JP 2007197288 A JP2007197288 A JP 2007197288A
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glass plate
glass
laminated
laminated glass
plate
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Kazunori Hatakeyama
和範 畠山
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Nippon Sheet Glass Co Ltd
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Nippon Sheet Glass Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10128—Treatment of at least one glass sheet
    • B32B17/10137—Chemical strengthening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10128—Treatment of at least one glass sheet
    • B32B17/10155—Edge treatment or chamfering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10293—Edge features, e.g. inserts or holes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
    • B32B17/10899—Making laminated safety glass or glazing; Apparatus therefor by introducing interlayers of synthetic resin
    • B32B17/10908—Making laminated safety glass or glazing; Apparatus therefor by introducing interlayers of synthetic resin in liquid form

Abstract

<P>PROBLEM TO BE SOLVED: To provide laminated glass which can exhibit composite functions that are not exhibited by only single tempered glass plate although the weight of a glass plate for the laminated glass is not largely increased; and to provide a glass window structure using the laminated glass. <P>SOLUTION: The laminated glass 10 is composed of glass plates 11, 12 facing each other and an interlayer film 13. A curved tempered glass plate used for door glass of an automobile can be generally used as the first glass plate 11, and the edge part 11a of the first glass plate 11 is polished (chamfered) in an approximately semicircular shape. The thickness of the first glass plate 11 is appropriately selected to be within a range of 2.5-6.0 mm and the curvature radius in the curved part is appropriately selected to be within a range of 1,000-4,000 mm. As the second glass plate 12, an untempered glass plate, a semi-tempered glass plate or a chemically tempered glass plate, being curved along the curved shape of the first glass plate 11, can be used. The thickness of the second glass plate 12 is appropriately selected to be within a range of 0.3-0.9 mm. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、合わせガラス及びこれを用いたガラス窓構造に関する。   The present invention relates to a laminated glass and a glass window structure using the laminated glass.

従来より、自動車のフロントガラスに用いられる合わせガラスとして、ガラス板との接着性及び光学的特性が優れたポリビニルブチラール等の有機樹脂膜（中間膜）を２枚のガラス板で挟んで貼り合わせたものが用いられている。この合わせガラスは、ガラス板の一部が破損しても良好な視界を確保することができ、また、事故発生時にガラス板が割れたとしても、中間膜の伸縮性により、搭乗者が車外へ飛び出すことを防止することができる。   Conventionally, as a laminated glass used for a windshield of an automobile, an organic resin film (intermediate film) such as polyvinyl butyral having excellent adhesion and optical properties with a glass plate is sandwiched between two glass plates and bonded together. Things are used. This laminated glass can secure a good field of view even if a part of the glass plate breaks, and even if the glass plate breaks in the event of an accident, the passenger can go out of the car due to the elasticity of the interlayer film. Jumping out can be prevented.

一方、近年の環境問題への配慮から車体を軽量化し、消費燃料を低減することが社会的に強く求められていることに応じて、軽量化のための薄板化とガラス板の強度の確保とを同時に実現し、クラックの入った状態でエアバッグが展開しても中間膜が破断するのを防止すべく、合わせガラスの第１のガラス板の厚さに対する第２のガラス板の厚さの比を０．６以上０．９以下とし、かつ、板厚を４ｍｍ以下としている（例えば、特許文献１参照）。   On the other hand, in consideration of environmental issues in recent years, there is a strong social demand for lighter vehicle bodies and reduced fuel consumption. In order to prevent the interlayer film from being broken even if the airbag is deployed in a cracked state, the thickness of the second glass plate relative to the thickness of the first glass plate of the laminated glass The ratio is 0.6 or more and 0.9 or less, and the plate thickness is 4 mm or less (see, for example, Patent Document 1).

また、外部から賊の侵入を防ぐ性能を優先すると、事故や犯罪等の緊急時の運転者や同乗者の脱出が難しくなってしまうといった問題点を解決すべく、表裏のガラス板の厚さの差が１．０ｍｍ以上の合わせガラスを、厚さの厚い方のガラス板が室内側となるように装着している（例えば、特許文献２参照）。   In addition, if priority is given to the ability to prevent the intrusion of bandits from the outside, the thickness of the front and back glass plates will be reduced in order to solve problems such as accidents and crimes that make it difficult for drivers and passengers to escape in an emergency. A laminated glass having a difference of 1.0 mm or more is mounted so that the thicker glass plate is on the indoor side (see, for example, Patent Document 2).

また、自動車落水時に必要となる車内等内部空間からの脱出の困難を軽減すべく、合わせガラスの第１のガラス板を１点から割れ目が網目状に自走する強化ガラス板とし、第２のガラス板を第１のガラス板よりも強度が低いガラス板としている（例えば、特許文献３参照）。   In addition, in order to reduce the difficulty of escape from the interior space such as the interior of the vehicle required when the automobile falls, the first glass plate of the laminated glass is a tempered glass plate in which the cracks self-run in a mesh shape from one point, and the second The glass plate is a glass plate whose strength is lower than that of the first glass plate (see, for example, Patent Document 3).

さらに、最近、自動車用ドアガラスの高機能化（遮音、熱線吸収）や、車内空間の快適性向上により大型ガラスルーフが多用されている。この大型ガラスルーフには、板厚の厚い強化ガラス板や合わせガラスが採用されている。
特開２００３−５５００７号公報 特開２００１−３９７４３号公報 特開平１１−１１６２５８号公報 Furthermore, recently, large glass roofs have been widely used due to the enhancement of functionality (sound insulation, heat ray absorption) of automobile door glass and the improvement of the comfort of the interior space. The large glass roof employs a thick tempered glass plate or laminated glass.
JP 2003-55007 A JP 2001-39743 A JP-A-11-116258

しかしながら、自動車用ドアガラスや大型ガラスルーフに板厚の厚い単板の強化ガラス板を採用した場合、合わせガラスが有する複数の機能（ＩＲカット、ＵＶカット）を発揮することができないと共に、強化ガラス板の圧縮応力層を越える亀裂が生じると、粉々に破壊して破片が搭乗者に降り注ぐ危険性がある。   However, when a thick single-panel tempered glass plate is used for an automobile door glass or large glass roof, the multiple functions (IR cut, UV cut) of laminated glass cannot be exhibited, and tempered glass If a crack beyond the compressive stress layer of the plate occurs, there is a risk that it will break into pieces and the pieces will fall on the passenger.

一方、自動車用ドアガラスや大型ガラスルーフに２枚の未強化ガラス板及び２枚の未強化ガラス板の間に介装された中間膜から成る合わせガラスを採用した場合、一般的に、未強化ガラス板は強化ガラス板の１／３〜１／４の強度であるので、合わせガラスとしても強化ガラス板に比べて強度が低い。例えば、ガラス板の強度は、平成１２年建設省告示第１４５８号第１項第二号に示された許容耐力の計算式により算出することができる。その計算式を数式（１）に示す。   On the other hand, when a laminated glass composed of two unstrengthened glass plates and an intermediate film interposed between two unstrengthened glass plates is adopted for an automobile door glass or large glass roof, generally, the unstrengthened glass plate Is 1/3 to 1/4 the strength of the tempered glass plate, so that the laminated glass is lower in strength than the tempered glass plate. For example, the strength of the glass plate can be calculated by the calculation formula of allowable proof stress shown in 2000 Ministry of Construction Notification No. 1458, Item 1, Item 2. The calculation formula is shown in Formula (1).

Ｐ＝（３００×ｋ１×ｋ２）／Ａ×（ｔ＋ｔ２／４） …（１）
但し、
Ｐ：ガラス板の許容圧力（Ｎ／ｍ２）
Ａ：ガラス板の見付け面積（ｍ２）
ｋ１：ガラス板の種類に応じて決まる係数
ｋ２：ガラス板の構成に応じて決まる係数
ｔ：ガラス板の厚さ（ｍｍ）（合わせガラスにおいては中間膜を除いた各ガラス板の厚さの合計）
数式（１）により計算したガラス板の許容圧力（Ｎ／ｍ２）と、未強化ガラス板２枚を用いた合わせガラスにおけるガラス板の合計厚さｔｗ（ｍｍ）と、単板の強化ガラス板の厚さｔｓ（ｍｍ）との関係を、表１に示す。 P = (300 × k 1 × k 2) / A × (t + t 2/4) ... (1)
However,
P: Allowable pressure of glass plate (N / m 2 )
A: Found area of glass plate (m 2 )
k 1 : coefficient determined according to the type of glass plate k 2 : coefficient determined according to the structure of the glass plate t: thickness of the glass plate (mm) (in laminated glass, the thickness of each glass plate excluding the interlayer film) Total)
Permissible pressure (N / m 2 ) of the glass plate calculated by the formula (1), the total thickness t w (mm) of the glass plate in the laminated glass using two unreinforced glass plates, and a single plate of tempered glass Table 1 shows the relationship with the thickness ts (mm) of the plate.

Figure 2007197288
Figure 2007197288

表１から、合わせガラスにおけるガラス板の合計厚さｔｗ（ｍｍ）は、同じ許容耐力を有する単板の強化ガラス板の厚さｔｓ（ｍｍ）の約３倍となることが分かる。 From Table 1, it can be seen that the total thickness t w (mm) of the glass plate in the laminated glass is about three times the thickness t s (mm) of the single-sheet tempered glass plate having the same allowable proof stress.

つまり、複数の機能を有する合わせガラスを自動車用ドアガラスや大型ガラスルーフに用いると、強化ガラス板と同じ強度を実現するためには、合わせガラスにおけるガラス板の合計厚さｔｗ（ｍｍ）が単板の強化ガラス板の厚さｔｓ（ｍｍ）の約３倍となり、合わせガラスにおけるガラス板の重量も単板の強化ガラス板の重量の約３倍となることが分かる。 That is, when laminated glass having a plurality of functions is used for an automobile door glass or a large glass roof, in order to achieve the same strength as a tempered glass sheet, the total thickness t w (mm) of the glass sheet in the laminated glass is It can be seen that the thickness t s (mm) of the single tempered glass plate is about three times, and the weight of the glass plate in the laminated glass is also about three times the weight of the single tempered glass plate.

本発明の目的は、ガラス板の重量を大きく増加させることなく、単板の強化ガラス板のみでは発揮することができない複合的な機能を発揮することができる合わせガラス及びこれを用いたガラス窓構造を提供することにある。   An object of the present invention is to provide a laminated glass capable of exhibiting a composite function that cannot be exhibited only by a single tempered glass plate without greatly increasing the weight of the glass plate, and a glass window structure using the same. Is to provide.

上記目的を達成するために、請求項１記載の合わせガラスは、互いに対向する一対のガラス板と、該一対のガラス板の間に介装された中間膜とを備える合わせガラスにおいて、
前記一対のガラス板のうちの一方のガラス板は、他方のガラス板よりも厚く、所定方向への曲げ形状を有する強化ガラス板であり、前記他方のガラス板は、前記一方のガラス板の前記曲げ形状に沿って湾曲可能な未強化ガラス板、半強化ガラス板、又は化学強化ガラス板であることを特徴とする。 In order to achieve the above object, a laminated glass according to claim 1 is a laminated glass comprising a pair of glass plates opposed to each other and an intermediate film interposed between the pair of glass plates.
One glass plate of the pair of glass plates is thicker than the other glass plate and is a tempered glass plate having a bent shape in a predetermined direction, and the other glass plate is the one of the one glass plate. It is an untempered glass plate, a semi-tempered glass plate, or a chemically strengthened glass plate that can be bent along a bent shape.

請求項２記載の合わせガラスは、請求項１記載の合わせガラスにおいて、前記曲げ形状の曲率半径が１０００〜４０００ｍｍであり、前記他方のガラス板の厚さが０．３〜０．９ｍｍであることを特徴とする。   The laminated glass according to claim 2 is the laminated glass according to claim 1, wherein the radius of curvature of the bent shape is 1000 to 4000 mm, and the thickness of the other glass plate is 0.3 to 0.9 mm. It is characterized by.

請求項３記載の合わせガラスは、請求項１又は２記載の合わせガラスにおいて、前記中間膜は、硬度がタイプＡデュロメータで５０以上であることを特徴とする。   The laminated glass according to claim 3 is the laminated glass according to claim 1 or 2, wherein the intermediate film has a hardness of 50 or more in a type A durometer.

請求項４記載の合わせガラスは、請求項１乃至３のいずれか１項に記載の合わせガラスにおいて、前記他方のガラス板は、前記一方のガラス板における前記曲げ形状の凹面側に配置されていることを特徴とする。   The laminated glass according to claim 4 is the laminated glass according to any one of claims 1 to 3, wherein the other glass plate is disposed on the concave side of the bent shape in the one glass plate. It is characterized by that.

請求項５記載の合わせガラスは、請求項１乃至４のいずれか１項に記載の合わせガラスにおいて、前記他方のガラス板の縁部は、前記一方のガラス板の縁部から突出しないことを特徴とする。   The laminated glass according to claim 5 is the laminated glass according to any one of claims 1 to 4, wherein an edge of the other glass plate does not protrude from an edge of the one glass plate. And

請求項６記載の合わせガラスは、請求項１乃至５のいずれか１項に記載の合わせガラスにおいて、前記他方のガラス板の縁部は、樹脂で被覆されていることを特徴とする。   The laminated glass according to claim 6 is the laminated glass according to any one of claims 1 to 5, wherein an edge of the other glass plate is coated with a resin.

請求項７記載の合わせガラスは、請求項１乃至６のいずれか１項に記載の合わせガラスにおいて、車両の窓開口部に用いられることを特徴とする。   The laminated glass according to claim 7 is the laminated glass according to any one of claims 1 to 6, wherein the laminated glass is used for a window opening of a vehicle.

請求項８記載の合わせガラスは、請求項７記載の合わせガラスにおいて、前記車両の窓開口部に開閉可能に取り付けられることを特徴とする。   The laminated glass according to claim 8 is the laminated glass according to claim 7, wherein the laminated glass is attached to the window opening of the vehicle so as to be opened and closed.

請求項９記載の合わせガラスは、請求項８記載の合わせガラスにおいて、前記他方のガラス板は、前記合わせガラスを前記車両の窓開口部に開閉可能に取り付けるための開閉機構と前記合わせガラスとの接合部に配置されていないことを特徴とする。   The laminated glass according to claim 9 is the laminated glass according to claim 8, wherein the other glass plate is formed of an opening / closing mechanism for attaching the laminated glass to an opening of the vehicle so as to be opened and closed, and the laminated glass. It is not arranged at the joint.

上記目的を達成するために、請求項１０記載のガラス窓構造は、請求項１乃至９のいずれか１項に記載の合わせガラスを、前記一方のガラス板が室外側となり、前記他方のガラス板が室内側となるように配置したことを特徴とする。   In order to achieve the above object, the glass window structure according to claim 10 is the laminated glass according to any one of claims 1 to 9, wherein the one glass plate is an outdoor side and the other glass plate. It arrange | positions so that may become an indoor side.

請求項１記載の合わせガラスによれば、一方のガラス板を従来と同じ厚さの強化ガラス板とし、他方のガラス板を一方のガラス板の曲げ形状に沿って湾曲可能な未強化ガラス板、半強化ガラス板、又は化学強化ガラス板とするので、合わせガラスの重量を大きく増加させることなく、従来の強化ガラス板と同等の強度を保つと共に単板の強化ガラス板のみでは発揮することができない複合的な機能を発揮することができる。   According to the laminated glass according to claim 1, one glass plate is a tempered glass plate having the same thickness as the conventional one, and the other glass plate is bendable along the bent shape of one glass plate, Because it is a semi-tempered glass plate or a chemically tempered glass plate, it cannot maintain the same strength as a conventional tempered glass plate without greatly increasing the weight of the laminated glass and cannot be exhibited only by a single tempered glass plate. It can exhibit multiple functions.

請求項２記載の合わせガラスによれば、曲げ形状の曲率半径が１０００〜４０００ｍｍであり、他方のガラス板の厚さが０．３〜０．９ｍｍであるので、他方のガラス板を湾曲部分に好適に用いることができる。   According to the laminated glass of claim 2, since the curvature radius of the bent shape is 1000 to 4000 mm and the thickness of the other glass plate is 0.3 to 0.9 mm, the other glass plate is used as a curved portion. It can be used suitably.

請求項３記載の合わせガラスによれば、中間膜は硬度がタイプＡデュロメータで５０以上であるので、一方及び他方のガラス板が破損した場合であっても、ガラス破片が大きくなって中間膜が剥離することはない。   According to the laminated glass of claim 3, since the intermediate film has a hardness of 50 or more with a type A durometer, even if one and the other glass plates are broken, the glass fragments become large and the intermediate film becomes There is no peeling.

請求項４記載の合わせガラスは、他方のガラス板は一方のガラス板における曲げ形状の凹面側に配置されているので、一方のガラス板側を外圧の印加される側に向けて使用する場合に他方のガラス板に外圧が直接印加されるのを防いで安全性を向上することができる。   In the laminated glass according to claim 4, since the other glass plate is arranged on the concave side of the bent shape of the one glass plate, when one glass plate side is used toward the side to which the external pressure is applied, Safety can be improved by preventing external pressure from being directly applied to the other glass plate.

請求項５記載の合わせガラスは、他方のガラス板の縁部は一方のガラス板の縁部から突出しないので、他方のガラス板の縁部を破損しにくくすることができる。   Since the edge part of the other glass plate does not protrude from the edge part of one glass plate, the laminated glass of Claim 5 can make it difficult to damage the edge part of the other glass plate.

請求項６記載の合わせガラスは、他方のガラス板の縁部は樹脂で被覆されているので、他方のガラス板の縁部をさらに破損しにくくすることができる。   Since the edge part of the other glass plate is coat | covered with resin, the edge part of the other glass plate can make it difficult to damage the laminated glass of Claim 6.

請求項７記載の合わせガラスは、合わせガラスの重量を大きく増加させることなく、従来の強化ガラス板と同等の強度を保つと共に単板の強化ガラス板のみでは発揮することができない複合的な機能を発揮することができる。   The laminated glass according to claim 7 has a composite function that can maintain the same strength as a conventional tempered glass plate and cannot be exhibited only by a single tempered glass plate without greatly increasing the weight of the laminated glass. It can be demonstrated.

請求項８記載の合わせガラスは、自動車用のドアガラスやルーフガラスに好適に用いることができる。   The laminated glass according to claim 8 can be suitably used for door glass and roof glass for automobiles.

請求項９記載の合わせガラスは、他方のガラス板は合わせガラスを車両の窓開口部に開閉可能に取り付けるための開閉機構と合わせガラスとの接合部に配置されていないので、厚さの薄い他方のガラス板に開閉機構用の孔等を形成する必要がなく、孔あけ加工を省略することができる。また、昇降時に他方のガラス板に余計な力がかかることがないので他方のガラス板の割れを防止することができる。   In the laminated glass according to claim 9, the other glass plate is not arranged at the joint between the laminated glass and the opening / closing mechanism for attaching the laminated glass to the window opening of the vehicle so as to be opened and closed. It is not necessary to form a hole or the like for the opening / closing mechanism in the glass plate, and the drilling process can be omitted. In addition, since no extra force is applied to the other glass plate during elevation, the other glass plate can be prevented from cracking.

請求項１０記載のガラス窓構造によれば、一方のガラス板が室外側となり、他方のガラス板が室内側となるように配置するので、外部からの応力の影響を受けにくくして、他方のガラス板の割れを防止することができる。   According to the glass window structure of claim 10, since it arrange | positions so that one glass plate may become an outdoor side and the other glass plate may become an indoor side, it is hard to receive the influence of the stress from the outside, Breaking of the glass plate can be prevented.

本発明者は、上記目的を達成すべく鋭意研究を行った結果、一方のガラス板を従来と同じ厚さの強化ガラス板とし、他方のガラス板を一方のガラス板の曲げ形状に沿って湾曲可能な未強化ガラス板、半強化ガラス板、又は化学強化ガラス板とすると、合わせガラスの重量を大きく増加させることなく、従来の強化ガラス板と同等の強度を保つと共に単板の強化ガラス板のみでは発揮することができない複合的な機能を発揮することができるのを見出した。   As a result of earnest research to achieve the above object, the present inventor made one glass plate a tempered glass plate having the same thickness as the conventional one, and curved the other glass plate along the bending shape of one glass plate. Non-tempered glass plate, semi-tempered glass plate, or chemically tempered glass plate that can be used, without increasing the weight of the laminated glass, maintaining the same strength as the conventional tempered glass plate and only single tempered glass plate It has been found that a complex function that cannot be exhibited can be exhibited.

また、本発明者は、一方のガラス板が室外側となり、他方のガラス板が室内側となるように配置すると、外部からの応力の影響を受けにくくして、他方のガラス板の割れを防止することができるのを見出した。   In addition, when the present inventor arranges one glass plate to be on the outdoor side and the other glass plate to be on the indoor side, the inventor is less susceptible to external stress and prevents the other glass plate from cracking. I found that I can do it.

本発明は、上記研究結果に基づいてなされたものである。   The present invention has been made based on the above research results.

以下、本発明の実施の形態に係る合わせガラスを図面を参照しながら説明する。   Hereinafter, the laminated glass which concerns on embodiment of this invention is demonstrated, referring drawings.

図１は、本発明の実施の形態に係る合わせガラス１０の構成を概略的に示す断面図であり、（ａ）は、合わせガラス１０の縁部について、他方のガラス板（第２ガラス板）１２の縁部１２ａが一方のガラス板（第１ガラス板）１１の縁部１１ａから突出しない場合を示し、（ｂ）は、更に、第２ガラス板１２の縁部１２ａを被覆部１５で被覆した場合を示す。図２は、図１の合わせガラス１０を自動車のドアガラスに用いた場合の構成を概略的に示す平面図である。   FIG. 1 is a cross-sectional view schematically showing a configuration of a laminated glass 10 according to an embodiment of the present invention, and (a) shows the other glass plate (second glass plate) with respect to the edge of the laminated glass 10. 12 shows a case where the edge 12a of 12 does not protrude from the edge 11a of one glass plate (first glass plate) 11, and (b) further covers the edge 12a of the second glass plate 12 with the covering portion 15. Shows the case. FIG. 2 is a plan view schematically showing a configuration when the laminated glass 10 of FIG. 1 is used for an automobile door glass.

図１（ａ），（ｂ）及び図２において、合わせガラス１０は、互いに対向する一対のガラス板（第１ガラス板１１及び第２ガラス板１２）と、中間膜１３とから成る。なお、図１（ｂ）に示すように、第２ガラス板１２の端部が被覆部１５で被覆されていてもよい。   1A, 1 </ b> B, and 2, the laminated glass 10 includes a pair of glass plates (first glass plate 11 and second glass plate 12) facing each other and an intermediate film 13. In addition, as shown in FIG.1 (b), the edge part of the 2nd glass plate 12 may be coat | covered with the coating | coated part 15. FIG.

第１ガラス板１１として、一般的に、自動車のドアガラスに用いられる湾曲した強化ガラス板を使用することができ、第１ガラス板１１の縁部１１ａが略半円形に研磨加工（面取り加工）されている。第１ガラス板１１は、厚さが２．５〜６．０ｍｍの範囲内、湾曲の曲率半径が１０００〜４０００ｍｍの範囲内となるように適宜選択される。   As the first glass plate 11, a curved tempered glass plate generally used for a door glass of an automobile can be used, and the edge portion 11a of the first glass plate 11 is polished into a substantially semicircular shape (chamfering process). Has been. The first glass plate 11 is appropriately selected so that the thickness is in the range of 2.5 to 6.0 mm and the curvature radius of curvature is in the range of 1000 to 4000 mm.

第２ガラス板１２は、第１ガラス板１１の曲げ形状に沿って湾曲可能な未強化ガラス板、半強化ガラス板、又は化学強化ガラス板を使用することができる。第２ガラス板１２は、厚みが０．３〜０．９ｍｍの範囲内となるように適宜選択される。   As the second glass plate 12, an unstrengthened glass plate, a semi-tempered glass plate, or a chemically strengthened glass plate that can be bent along the bent shape of the first glass plate 11 can be used. The 2nd glass plate 12 is suitably selected so that thickness may become in the range of 0.3-0.9 mm.

例えば、第２ガラス板１２を水平に２辺で単純支持した場合において、第２ガラス板１２の自重による湾曲が第１ガラス板１１の曲げ形状とほぼ一致したとき、第２ガラス板１２に過度の曲げ応力を加えることなく、第１ガラス板１１の曲げ形状に沿って第２ガラス板１２を湾曲させることができる。   For example, in the case where the second glass plate 12 is simply supported horizontally on two sides, the second glass plate 12 is excessively curved when the bending due to the weight of the second glass plate 12 substantially matches the bent shape of the first glass plate 11. The second glass plate 12 can be bent along the bent shape of the first glass plate 11 without applying a bending stress of.

中間膜１３は、硬化前は液状樹脂であって、硬化後の硬度がタイプＡデュロメータで５０以上となるものである。   The intermediate film 13 is a liquid resin before curing, and the hardness after curing is 50 or more with a type A durometer.

以下、ガラス板１１，１２のたわみ量について説明する。   Hereinafter, the deflection amount of the glass plates 11 and 12 will be described.

第１ガラス板１１のたわみ量は、円弧のたわみを表す下記の数式（２）により求めることができる。角度の単位はラジアン（ｒａｄ）とする。   The amount of deflection of the first glass plate 11 can be obtained by the following mathematical formula (2) representing the deflection of the arc. The unit of angle is radians (rad).

ｄ１＝Ｒ×（１−ｃｏｓ（Ｌ／２Ｒ）） …（２）
但し、
ｄ１：円弧のたわみ量（ｍｍ）
Ｒ：円弧の半径（ｍｍ）
Ｌ：円弧の長さ（ｍｍ）
第２ガラス板１２のたわみ量は、矩形板を水平に２辺で単純支持した場合における最大たわみ量の計算式により求めることができる。具体的には、Timoshenkoの微小変形理論式から導き出された下記の数式（３）により求めることができる。 d 1 = R × (1-cos (L / 2R)) (2)
However,
d 1 : Deflection amount of the arc (mm)
R: Radius of the arc (mm)
L: Arc length (mm)
The amount of deflection of the second glass plate 12 can be obtained from a formula for calculating the maximum amount of deflection when the rectangular plate is simply supported horizontally on two sides. Specifically, it can be obtained by the following mathematical formula (3) derived from Timoshenko's microdeformation theoretical formula.

ｄ２＝（α×Ｗ×ａ４）／（Ｅ×ｔ３） …（３）
但し、
ｄ２：第２ガラス板１２の矩形板辺中央部での最大たわみ量（ｍｍ）
α：第２ガラス板１２の矩形板辺比によるたわみ係数
Ｗ：等分布荷重（Ｎ／ｍｍ２）
ａ：第２ガラス板１２の支持されない辺（湾曲辺）の長さ（ｍｍ）
Ｅ：第２ガラス板１２のヤング率（ガラスの場合、一般的に、７．１６×１０４Ｎ／ｍｍ２）
ｔ：第２ガラス板１２の厚さ（ｍｍ）
さらに、等分布荷重が第２ガラス板１２の自重のみの場合、第２ガラス板１２の自重による等分布荷重は、下記の数式（４）により求めることができる。 d 2 = (α × W × a 4 ) / (E × t 3 ) (3)
However,
d 2 : Maximum deflection amount (mm) at the center of the rectangular plate side of the second glass plate 12
α: Deflection coefficient according to the rectangular plate side ratio of the second glass plate 12 W: Uniformly distributed load (N / mm 2 )
a: Length of unsupported side (curved side) of second glass plate 12 (mm)
E: Young's modulus of second glass plate 12 (in the case of glass, generally 7.16 × 10 4 N / mm 2 )
t: thickness of the second glass plate 12 (mm)
Furthermore, when the uniform distribution load is only the weight of the second glass plate 12, the uniform distribution load due to the weight of the second glass plate 12 can be obtained by the following mathematical formula (4).

Ｗ＝９．８０６６５×１０−６×ｗ×ｔ …（４）
但し、
ｗ：第２ガラス板１２の比重（ガラスの比重、一般的に、２．５２）
数式（４）を数式（３）に代入することにより、数式（５）が得られる。 W = 9.80665 × 10 −6 × w × t (4)
However,
w: Specific gravity of second glass plate 12 (specific gravity of glass, generally 2.52)
By substituting Equation (4) into Equation (3), Equation (5) is obtained.

ｄ２＝（α×９．８０６６５×１０−６×ｗ×ａ４）／（Ｅ×ｔ２） …（５）
第２ガラス板１２のポアソン比を０．２３とした場合、第２ガラス板１２の支持されない辺（湾曲辺）の長さをａ、支持される辺の長さをｂとすると、矩形辺比（ｂ／ａ）によるたわみ係数αの代表値は、表２で与えられる。 d 2 = (α × 9.80665 × 10 −6 × w × a 4 ) / (E × t 2 ) (5)
When the Poisson's ratio of the second glass plate 12 is 0.23, the length of the side (curved side) that is not supported of the second glass plate 12 is a, and the length of the supported side is b, the rectangular side ratio Typical values of the deflection coefficient α according to (b / a) are given in Table 2.

Figure 2007197288
Figure 2007197288

自動車のドアが略四角形状である場合、ドアガラスの形状は、ドアガラスに外接する矩形状として考えることができる。そして、ドアガラスの縦方向を湾曲辺とすると、矩形辺比（ｂ／ａ）が２前後となるので、矩形辺比（ｂ／ａ）によるたわみ係数αの値として０．１６５を用いることができる。   When the door of an automobile has a substantially rectangular shape, the shape of the door glass can be considered as a rectangular shape that circumscribes the door glass. When the vertical direction of the door glass is a curved side, the rectangular side ratio (b / a) is around 2, so 0.165 is used as the value of the deflection coefficient α based on the rectangular side ratio (b / a). it can.

第２ガラス板１２の厚さｔは、円弧の長さＬと湾曲辺の長さａとが等しいとして、数式（５）と数式（２）から、下記の数式（６）を満たすように選択することができる。望ましくは、下記の数式（７）を満たすように選択することができる。
ｔ≒［（α×９．８０６６５×１０−６×ｗ×ａ４）／（Ｅ×Ｒ×（１−ｃｏｓ（ａ／２Ｒ）））］０．５ …（６）
ｔ≦［（α×９．８０６６５×１０−６×ｗ×ａ４）／（Ｅ×Ｒ×（１−ｃｏｓ（ａ／２Ｒ）））］０．５ …（７）
第２ガラス板１２の矩形辺比（ｂ／ａ）を２とした場合に、湾曲辺（円弧）の長さａが５００ｍｍ又は６００ｍｍであるときにおける、半径Ｒと、たわみ量ｄ１と、第２ガラス板１２の厚さｔとの関係を表３に示す。 The thickness t of the second glass plate 12 is selected so as to satisfy the following formula (6) from the formulas (5) and (2), assuming that the length L of the arc is equal to the length a of the curved side. can do. Desirably, it can select so that following Numerical formula (7) may be satisfy | filled.
t≈ [(α × 9.80665 × 10 −6 × w × a 4 ) / (E × R × (1-cos (a / 2R)))] 0.5 (6)
t ≦ [(α × 9.80665 × 10 −6 × w × a 4 ) / (E × R × (1-cos (a / 2R)))] 0.5 (7)
When the rectangular side ratio (b / a) of the second glass plate 12 is 2, when the length a of the curved side (arc) is 500 mm or 600 mm, the radius R, the deflection amount d 1 , Table 3 shows the relationship with the thickness t of the two glass plates 12.

Figure 2007197288
Figure 2007197288

表３から、例えば、半径Ｒが１５００ｍｍの場合に、５００ｍｍの湾曲辺（円弧）に沿って無理なく湾曲させることができる第２ガラス板１２の厚みは０．４１ｍｍ前後であり、６００ｍｍの湾曲辺（円弧）に沿って無理なく湾曲させることができる第２ガラス板１２の厚みは０．５０ｍｍ前後であることが分かる。   From Table 3, for example, when the radius R is 1500 mm, the thickness of the second glass plate 12 that can be reasonably curved along the curved side (arc) of 500 mm is around 0.41 mm, and the curved side of 600 mm It turns out that the thickness of the 2nd glass plate 12 which can be bent naturally along (arc) is about 0.50 mm.

上記構成の合わせガラス１０の縁部においては、第１ガラス板１１の縁部１１ａが所定距離だけ第２ガラス板１２の縁部１２ａよりも突出しており、これにより、第２ガラス板１２の縁部１２ａの欠けや割れを防止する。   In the edge part of the laminated glass 10 of the said structure, the edge part 11a of the 1st glass plate 11 protrudes rather than the edge part 12a of the 2nd glass plate 12 only predetermined distance, and, thereby, the edge of the 2nd glass plate 12 The chipping and cracking of the portion 12a are prevented.

上記構成の合わせガラス１０は、中間膜１３を有しているので、仮に、ガラス板１１，１２が割れた場合であっても、ガラス破片の飛散や貫通等に対して高い安全性を有する。   Since the laminated glass 10 having the above configuration has the intermediate film 13, even if the glass plates 11 and 12 are broken, the laminated glass 10 has high safety against scattering and penetration of glass fragments.

以下、図１の合わせガラス１０の第１及び第２の製造方法を図面を参照しながら説明する。   Hereafter, the 1st and 2nd manufacturing method of the laminated glass 10 of FIG. 1 is demonstrated, referring drawings.

まず、合わせガラス１０の第１の製造方法を説明する。   First, the 1st manufacturing method of the laminated glass 10 is demonstrated.

図３（ａ）に示すように、第１ガラス板１１（強化ガラス板）を、支え台２１上に配置する。   As shown in FIG. 3A, the first glass plate 11 (tempered glass plate) is disposed on the support base 21.

第１ガラス板１１上に、所定量の液体樹脂１４を載置する。このとき、液体樹脂１４の所定量を、第１ガラス板１１と第２ガラス板１２（薄板ガラス）とを接着するのに必要な量よりも少ない量とし、第１ガラス板１１の中央付近に載置する。ここで、液体樹脂１４を、第２ガラス板１２の形状に略相似になるように第１ガラス板１１の中央付近に載置すると、液体樹脂１４を、第１ガラス板１１の縁部から溢れないように、第２ガラス板１２により、略均等に押し広げることができる。   A predetermined amount of the liquid resin 14 is placed on the first glass plate 11. At this time, the predetermined amount of the liquid resin 14 is set to an amount smaller than the amount necessary for bonding the first glass plate 11 and the second glass plate 12 (thin glass), and is near the center of the first glass plate 11. Place. Here, when the liquid resin 14 is placed near the center of the first glass plate 11 so as to be substantially similar to the shape of the second glass plate 12, the liquid resin 14 overflows from the edge of the first glass plate 11. As a result, the second glass plate 12 can be spread almost uniformly.

第２ガラス板１２を、液体樹脂１４を介して第１ガラス板１１の所定の位置上に載置し、そして、第２ガラス板１２の上に所定形状の型２０を、第１ガラス板１１と第２ガラス板１２とが所定の間隔となるように載置する。あるいは、予め型２０に第２ガラス板１２を、例えば、真空吸着等の方法により固定して、第１ガラス板１１の所定の位置上に載置するようにしてもよい。これにより、第１ガラス板１１の載置の位置合わせを精度よく行うことができる。   The second glass plate 12 is placed on a predetermined position of the first glass plate 11 via the liquid resin 14, and a mold 20 having a predetermined shape is placed on the second glass plate 12. And the second glass plate 12 are placed at a predetermined interval. Alternatively, the second glass plate 12 may be fixed to the mold 20 in advance by a method such as vacuum suction, and placed on a predetermined position of the first glass plate 11. Thereby, the position alignment of mounting of the 1st glass plate 11 can be performed accurately.

第１ガラス板１１と第２ガラス板１２との縁部の液体樹脂１４が存在しない部分（図３（ｂ）参照）に、図示しない装置、例えばノズルにより、液体樹脂１４を補充する（図３（ｃ）参照）。このようにして、図１（ａ）に示す合わせガラス１０の縁部を形成することができる。図１（ｂ）に示す第２ガラス板１２の縁部を保護するための被覆部１５を、液体樹脂１４を用いて中間膜１３と一体に形成してもよい（図３（ｄ）参照）。   The liquid resin 14 is replenished to a portion where the liquid resin 14 at the edge between the first glass plate 11 and the second glass plate 12 does not exist (see FIG. 3B) using a device (not shown) such as a nozzle (FIG. 3). (See (c)). Thus, the edge part of the laminated glass 10 shown to Fig.1 (a) can be formed. The cover 15 for protecting the edge of the second glass plate 12 shown in FIG. 1B may be formed integrally with the intermediate film 13 using the liquid resin 14 (see FIG. 3D). .

図３（ｂ）に示すように、第１ガラス板１１と第２ガラス板１２との間隔を一定に保った状態で、所定時間保持することで、合わせガラスを形成できる。   As shown in FIG.3 (b), a laminated glass can be formed by hold | maintaining for the predetermined time in the state which kept the space | interval of the 1st glass plate 11 and the 2nd glass plate 12 constant.

ここで、液状樹脂１４の粘度は、内部に気泡を含まない程度に、且つ押し広げることが可能な程度に、適宜調整することができる。また、液状樹脂１４を熱硬化性樹脂とし、高温槽を用いることで、液状樹脂１４の硬化時間を短縮することができる。   Here, the viscosity of the liquid resin 14 can be appropriately adjusted to such an extent that it does not contain bubbles and can be expanded. Moreover, the hardening time of the liquid resin 14 can be shortened by using the liquid resin 14 as a thermosetting resin and using a high-temperature tank.

液体樹脂１４には、シリコン系やアクリル系のものを好適に用いることができる。   As the liquid resin 14, a silicon-based or acrylic-based resin can be suitably used.

液体樹脂１４を用いて形成された合わせガラス１０の中間膜１３の厚さは、０．１〜１．０ｍｍ程度であり、好ましくは、０．１〜０．５ｍｍ程度である。   The thickness of the intermediate film 13 of the laminated glass 10 formed using the liquid resin 14 is about 0.1 to 1.0 mm, and preferably about 0.1 to 0.5 mm.

次に、合わせガラス１０の第２の製造方法を説明する。   Next, the 2nd manufacturing method of the laminated glass 10 is demonstrated.

図３（ａ）に示すように、第１ガラス板１１（強化ガラス板）を、支え台２１上に配置する。   As shown in FIG. 3A, the first glass plate 11 (tempered glass plate) is disposed on the support base 21.

第１ガラス板１１上の第２ガラス板１２が載置される位置に、第２ガラス板１２の縁部に沿ってテープ状部材２２を貼り付ける（図３（ｅ）参照）。このとき、何ヶ所かの目立たない部分、例えば、コーナー部に、余分な液体樹脂１４を排出するための溝をテープ状部材２２の隙間として形成する。   A tape-like member 22 is attached along the edge of the second glass plate 12 at a position where the second glass plate 12 is placed on the first glass plate 11 (see FIG. 3E). At this time, grooves for discharging excess liquid resin 14 are formed as gaps between the tape-like members 22 in some inconspicuous portions, for example, corner portions.

第１ガラス板１１上に、所定量の液体樹脂１４を載置する。このとき、液体樹脂１４の所定量を、第１ガラス板１１と第２ガラス板１２とを接着するのに必要な量よりも多い量とし、第１ガラス板１１の中央付近に載置する。ここで、液体樹脂１４を、第２ガラス板１２の形状に略相似になるように第１ガラス板１１の中央付近に載置すると、液体樹脂１４を、第２ガラス板１２により、略均等に押し広げることができる。   A predetermined amount of the liquid resin 14 is placed on the first glass plate 11. At this time, the predetermined amount of the liquid resin 14 is set to an amount larger than the amount necessary for bonding the first glass plate 11 and the second glass plate 12 and is placed near the center of the first glass plate 11. Here, when the liquid resin 14 is placed near the center of the first glass plate 11 so as to be approximately similar to the shape of the second glass plate 12, the liquid resin 14 is approximately evenly distributed by the second glass plate 12. Can be spread.

第２ガラス板１２を、液体樹脂１４を介して第１ガラス板１１の所定の位置上に載置し、そして、第２ガラス板１２の上に所定形状の型２０を、第１ガラス板１１と第２ガラス板１２とが所定の間隔となるように載置する。あるいは、予め型２０に第２ガラス板１２を、例えば、真空吸着等の方法により固定して、第１ガラス板１１の所定の位置上に載置するようにしてもよい。これにより、第１ガラス板１１の載置の位置合わせを精度よく行うことができる。   The second glass plate 12 is placed on a predetermined position of the first glass plate 11 via the liquid resin 14, and a mold 20 having a predetermined shape is placed on the second glass plate 12. And the second glass plate 12 are placed at a predetermined interval. Alternatively, the second glass plate 12 may be fixed to the mold 20 in advance by a method such as vacuum suction, and placed on a predetermined position of the first glass plate 11. Thereby, the position alignment of mounting of the 1st glass plate 11 can be performed accurately.

余分な液体樹脂１４を溝から排出することにより、図１（ａ）に示す合わせガラス１０の縁部を形成することができる。あるいは、図１（ｂ）に示す第２ガラス板１２の縁部を保護するための被覆部１５を、液体樹脂１４を用いて形成してもよい。   By discharging the excess liquid resin 14 from the groove, the edge of the laminated glass 10 shown in FIG. 1A can be formed. Or you may form the coating | coated part 15 for protecting the edge part of the 2nd glass plate 12 shown in FIG.1 (b) using the liquid resin 14. FIG.

テープ状部材２２の厚さは、０．１〜１ｍｍ程度であり、好ましくは、０．１〜０．５ｍｍ程度である。   The thickness of the tape-like member 22 is about 0.1 to 1 mm, and preferably about 0.1 to 0.5 mm.

テープ状部材２２には、中間膜１３と同じ程度の硬度を有する材質のものを用いることが好ましく、テープ状部材２２の硬度と中間膜１３の硬度との差は、タイプＡデュロメータで±２０以内であることが望ましい。これにより、テープ状部材２２と中間膜１３との境界部分の応力変化を小さくし、合わせガラス１０の耐衝撃性を損なわないようにすることができる。   The tape-like member 22 is preferably made of a material having the same degree of hardness as that of the intermediate film 13, and the difference between the hardness of the tape-like member 22 and the hardness of the intermediate film 13 is within ± 20 with a type A durometer. It is desirable that Thereby, the stress change of the boundary part of the tape-shaped member 22 and the intermediate film 13 can be made small, and it can avoid impairing the impact resistance of the laminated glass 10. FIG.

テープ状部材２２の色調は、中間膜１３と同じであることが好ましい。   The color tone of the tape-like member 22 is preferably the same as that of the intermediate film 13.

テープ状部材２２には、片面接着テープを好適に使用することができる。このテープの片面に塗布されている接着剤により、テープ状部材２２を第１ガラス板１１上に容易に貼り付けることができる。また、テープ状部材２２には、両面接着テープを好適に使用することができる。このテープの両面に塗布された接着剤により、第１ガラス板１１と第２板ガラス１２とを容易に貼り合わせて固定することができる。   A single-sided adhesive tape can be suitably used for the tape-like member 22. The tape-shaped member 22 can be easily attached on the first glass plate 11 by the adhesive applied to one side of the tape. Further, a double-sided adhesive tape can be suitably used for the tape-like member 22. The first glass plate 11 and the second glass plate 12 can be easily bonded and fixed by the adhesive applied to both surfaces of the tape.

テープ状部材２２の接着剤には、中間膜１３の樹脂と同系統の樹脂（例えば、シリコン系やアクリル系のもの）を用いることが好ましい。この接着剤は、テープ状部材２２をガラス上に固定可能な粘着度を有することが望ましい。   As the adhesive for the tape-like member 22, it is preferable to use a resin of the same system as the resin of the intermediate film 13 (for example, silicon-based or acrylic-based). It is desirable that the adhesive has a degree of adhesion that can fix the tape-like member 22 on the glass.

中間膜１３、被覆部１５、テープ状部材２２及びテープ状部材２２の接着剤に用いる樹脂は、硬化後に合わせガラス１０の内部に水分を侵入させない素材であることが望ましい。   The resin used for the intermediate film 13, the covering portion 15, the tape-shaped member 22, and the adhesive for the tape-shaped member 22 is desirably a material that does not allow moisture to enter the laminated glass 10 after curing.

上記製造方法によれば、所定形状の型２０が、第２ガラス板１２を液状樹脂１４に押圧するので、この液状樹脂１４の接着力により、第２ガラス板１２を予め曲げる工程を省略して、半径Ｒが１０００〜４０００ｍｍであるドア用合わせガラスを製造することができる。これにより、製造時におけるエネルギーコストを低減することができる。   According to the above manufacturing method, the mold 20 having a predetermined shape presses the second glass plate 12 against the liquid resin 14, so that the step of bending the second glass plate 12 in advance by the adhesive force of the liquid resin 14 is omitted. A laminated glass for doors having a radius R of 1000 to 4000 mm can be produced. Thereby, the energy cost at the time of manufacture can be reduced.

図４は、本発明の実施の形態に係るガラス窓構造の構成を概略的に示す断面図である。   FIG. 4 is a cross-sectional view schematically showing the configuration of the glass window structure according to the embodiment of the present invention.

図４において、合わせガラス１０は、第２ガラス板１２が車内側となるように配置されている。合わせガラス１０は、第１ガラス板１１の孔１６（図２）により、自動車ドア内部に設置されている窓の昇降機構（図示せず）と連結されている。これにより、重量が軽いと共に、外部応力が強い割れを防止するドアガラスを実現することができる。   In FIG. 4, the laminated glass 10 is arrange | positioned so that the 2nd glass plate 12 may become a vehicle inside. The laminated glass 10 is connected to a window raising / lowering mechanism (not shown) installed inside the automobile door through a hole 16 (FIG. 2) of the first glass plate 11. As a result, it is possible to realize a door glass that is light in weight and prevents cracking due to strong external stress.

本実施の形態によれば、第１ガラス板１１を従来と同じ厚さの強化ガラス板とし、第２ガラス板１２を第１ガラス板１１の曲げ形状に沿って湾曲可能な未強化ガラス板、半強化ガラス板、又は化学強化ガラス板としたので、合わせガラス１０の重量を大きく増加させることなく、従来の強化ガラス板と同等の強度を保つと共に単板の強化ガラス板のみでは発揮することができない複合的な機能を発揮することができる。   According to the present embodiment, the first glass plate 11 is a tempered glass plate having the same thickness as the conventional one, and the second glass plate 12 can be bent along the bent shape of the first glass plate 11, Since it is a semi-tempered glass plate or a chemically tempered glass plate, it can maintain the same strength as a conventional tempered glass plate without greatly increasing the weight of the laminated glass 10 and can be exhibited only with a single tempered glass plate. It is possible to perform complex functions that cannot be performed.

本実施の形態では、ガラス板１１，１２の間に中間膜１３が介装されているが、この中間膜１３は、特に限定されるものではなく、紫外線対策としてのＵＶカット機能、暑さ対策としてのＩＲカット機能、プライバシー保護対策及び直達日射軽減対策としての視界制御機能等を有する膜であってもよい。また、液状樹脂１４の他にシート状の樹脂を用いてもよい。   In the present embodiment, the intermediate film 13 is interposed between the glass plates 11 and 12, but the intermediate film 13 is not particularly limited, and a UV cut function as a countermeasure against ultraviolet rays and a countermeasure against heat. It may be a film having an IR cut function, a privacy protection measure, and a visibility control function as a direct solar radiation mitigation measure. In addition to the liquid resin 14, a sheet-like resin may be used.

本実施の形態では、合わせガラス１０を自動車ドアに嵌め込んでいるが（図４）、例えば、図５に示すように、図１の合わせガラス１０を、第１ガラス板１１（強化ガラス板）が室外側となり、第２ガラス板１２（薄板ガラス板）が室内側となるように、自動車用ガラス窓に嵌め込んだガラス窓構造３０であってもよく、ルーフガラスの窓構造であってもよい。なお、図５において、合わせガラス１０を嵌め込むための窓枠部材としては、ガスケット３１を用いて、矩形の合わせガラス１０の四周を窓枠構造３２に固定した。   In this embodiment, the laminated glass 10 is fitted into the automobile door (FIG. 4). For example, as shown in FIG. 5, the laminated glass 10 of FIG. 1 is replaced with the first glass plate 11 (tempered glass plate). May be a glass window structure 30 fitted in a glass window for an automobile so that the second glass plate 12 (thin glass plate) is on the indoor side, or a window structure of a roof glass. Good. In FIG. 5, as the window frame member for fitting the laminated glass 10, the gasket 31 was used to fix four rounds of the rectangular laminated glass 10 to the window frame structure 32.

本発明の実施の形態に係る合わせガラス１０の構成を概略的に示す断面図であり、（ａ）は、合わせガラス１０の縁部について、他方のガラス板（第２ガラス板）１２の縁部１２ａが一方のガラス板（第１ガラス板）１１の縁部１１ａから突出しない場合を示し、（ｂ）は、更に、第２ガラス板１２の縁部１２ａを被覆部１５で被覆した場合を示す。図２は、図１の合わせガラス１０を自動車のドアガラスに用いた場合の構成を概略的に示す平面図である。It is sectional drawing which shows the structure of the laminated glass 10 which concerns on embodiment of this invention schematically, (a) is the edge of the other glass plate (2nd glass plate) 12 about the edge of the laminated glass 10 The case where 12a does not protrude from the edge part 11a of one glass plate (1st glass plate) 11 is shown, (b) shows the case where the edge part 12a of the 2nd glass plate 12 is coat | covered with the coating | coated part 15 further. . FIG. 2 is a plan view schematically showing a configuration when the laminated glass 10 of FIG. 1 is used for an automobile door glass. 図１の合わせガラスの構成を概略的に示す平面図である。It is a top view which shows schematically the structure of the laminated glass of FIG. 図１の合わせガラスの製造方法を説明する図である。It is a figure explaining the manufacturing method of the laminated glass of FIG. 本発明の実施の形態に係るガラス窓構造の構成を概略的に示す断面図である。It is sectional drawing which shows schematically the structure of the glass window structure which concerns on embodiment of this invention. 本発明の実施の形態に係るガラス窓構造の変形例の構成を概略的に示す断面図である。It is sectional drawing which shows schematically the structure of the modification of the glass window structure which concerns on embodiment of this invention.

符号の説明Explanation of symbols

１０ 合わせガラス
１１ 第１ガラス板
１２ 第２ガラス板
１３ 中間膜
１４ 液体樹脂
３０ ガラス窓構造
３１ ガスケット
３２ 窓枠構造 DESCRIPTION OF SYMBOLS 10 Laminated glass 11 1st glass plate 12 2nd glass plate 13 Intermediate film 14 Liquid resin 30 Glass window structure 31 Gasket 32 Window frame structure

Claims (10)

互いに対向する一対のガラス板と、該一対のガラス板の間に介装された中間膜とを備える合わせガラスにおいて、
前記一対のガラス板のうちの一方のガラス板は、他方のガラス板よりも厚く、所定方向への曲げ形状を有する強化ガラス板であり、
前記他方のガラス板は、前記一方のガラス板の前記曲げ形状に沿って湾曲可能な未強化ガラス板、半強化ガラス板、又は化学強化ガラス板であることを特徴とする合わせガラス。 In a laminated glass comprising a pair of glass plates facing each other and an intermediate film interposed between the pair of glass plates,
One glass plate of the pair of glass plates is a tempered glass plate that is thicker than the other glass plate and has a bent shape in a predetermined direction,
The laminated glass, wherein the other glass plate is an untempered glass plate, a semi-tempered glass plate, or a chemically strengthened glass plate that can be bent along the bent shape of the one glass plate. 前記曲げ形状の曲率半径が１０００〜４０００ｍｍであり、前記他方のガラス板の厚さが０．３〜０．９ｍｍであることを特徴とする請求項１記載の合わせガラス。   The laminated glass according to claim 1, wherein a radius of curvature of the bent shape is 1000 to 4000 mm, and a thickness of the other glass plate is 0.3 to 0.9 mm. 前記中間膜は、硬度がタイプＡデュロメータで５０以上であることを特徴とする請求項１又は２記載の合わせガラス。   The laminated glass according to claim 1 or 2, wherein the intermediate film has a hardness of 50 or more in a type A durometer. 前記他方のガラス板は、前記一方のガラス板における前記曲げ形状の凹面側に配置されていることを特徴とする請求項１乃至３のいずれか１項に記載の合わせガラス。   The laminated glass according to any one of claims 1 to 3, wherein the other glass plate is disposed on the concave surface side of the bent shape in the one glass plate. 前記他方のガラス板の縁部は、前記一方のガラス板の縁部から突出しないことを特徴とする請求項１乃至４のいずれか１項に記載の合わせガラス。   The laminated glass according to any one of claims 1 to 4, wherein an edge portion of the other glass plate does not protrude from an edge portion of the one glass plate. 前記他方のガラス板の縁部は、樹脂で被覆されていることを特徴とする請求項１乃至５のいずれか１項に記載の合わせガラス。   The laminated glass according to any one of claims 1 to 5, wherein an edge portion of the other glass plate is coated with a resin. 車両の窓開口部に用いられることを特徴とする請求項１乃至６のいずれか１項に記載の合わせガラス。   It is used for the window opening part of a vehicle, The laminated glass of any one of Claim 1 thru | or 6 characterized by the above-mentioned. 前記車両の窓開口部に開閉可能に取り付けられることを特徴とする請求項７記載の合わせガラス。   The laminated glass according to claim 7, wherein the laminated glass is attached to a window opening of the vehicle so as to be openable and closable. 前記他方のガラス板は、前記合わせガラスを前記車両の窓開口部に開閉可能に取り付けるための開閉機構と前記合わせガラスとの接合部に配置されていないことを特徴とする請求項８記載の合わせガラス。   The said other glass plate is not arrange | positioned at the junction part of the opening / closing mechanism for attaching the said laminated glass to the window opening part of the said vehicle so that opening and closing is possible, and the said laminated glass. Glass. 請求項１乃至９のいずれか１項に記載の合わせガラスを、前記一方のガラス板が室外側となり、前記他方のガラス板が室内側となるように配置したことを特徴とするガラス窓構造。   A glass window structure, wherein the laminated glass according to any one of claims 1 to 9 is disposed such that the one glass plate is on the outdoor side and the other glass plate is on the indoor side.
JP2006020551A 2006-01-30 2006-01-30 Laminated glass and glass window structure using the same Withdrawn JP2007197288A (en)

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