JP7083210B1 - Double glazing for joining and joining structure of double glazing - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a double glazing for matching and a joining structure of double glazing which can improve appearance and visibility and join the double glazing while using an inexpensive double glazing for matching. SOLUTION: The double glazing 10 for joining is provided with an inner glass plate 11 and a rectangular outer glass plate 12 having a rectangular shape, and a rectangular spacer 20 sandwiched inside the peripheral edges of both glass plates 11 and 12. Therefore, inclined surfaces 11e and 12e inclined in the same direction were formed on the end faces of the joints of the inner glass plate 11 and the outer glass plate 12, and loaded into the open space formed at the joints of both the glass plates 11 and 12. The secondary sealing material 32 has an inclined surface 32a, and the inclined surfaces 11e and 12e of the glass plates 11 and 12 and the inclined surface 32a of the secondary sealing material form a continuous joint inclined surface 15. [Selection diagram] FIG. 4

Description

The present invention relates to a double glazing for joining and a joining structure of double glazing in which adjacent double glazings are crossed and joined, and in particular, the double glazing for joining and the double glazing for joining without using a square or the like. It is related to the joint structure of.

Double glazing, which is superior in heat insulation and dew condensation prevention to single plate glass, is known and is used as a window material, an outer wall material, and the like.
The double glazing consists of two glass plates of the same size arranged so as to face each other and a spacer sandwiched inside the peripheral edge of the two glass plates, and between both sides of the spacer and the glass plate. It has a hollow structure in which two glass plates and the peripheral edge of the spacer are covered with a black secondary sealing material and sealed while being bonded via a polyisobutylene-based black primary sealing material (Patent Document 1). ..
The left and right side end faces of each double glazing are formed at right angles.

For example, when two adjacent double glazings are butted and joined at a right angle, a columnar mullion having a width dimension larger than the thickness of the double glazing is installed in advance at the joining position, and the butt portion of each double glazing is joined. A joining structure for joining an end face to a mullion side surface is widely known (Patent Document 2).

Further, it is also known to join via a holder material arranged so as to straddle the butt portion of the double glazing (Patent Document 3).

Jitsukaisho 57-162330 Gazette Jikkenhei 7-14080 (Figs. 9 and 10) Jitsukaihei No. 2-121580 Gazette

The conventional double glazing joining technique has the following problems.
<1> In the joining technology using a mullion or holder material, the mullion or holder material is exposed on the inner and outer surfaces of the butt joint of the double glazing, which not only obstructs the view (view) but also the appearance. It also looks bad.
<2> Conventionally, a dedicated mullion corresponding to the joining angle of double glazing has been used.
Therefore, when joining the multilayer glass at an angle other than the right angle, not only the problem that the mullion for right angle cannot be applied and the degree of freedom of the joining angle of the multilayer glass is low, but also the joining is done. It is necessary to manufacture a custom-made mullion according to the angle, and there is also a problem that the manufacturing cost of the mullion increases.
<3> Since the mullion has a different coefficient of linear expansion than that of double glazing, cracks are likely to occur at the sealed portion of the butt portion when the mullion is used.
<4> When joining double glazing, a joining technique capable of joining without using a mullion or a holder material has not been proposed, and a proposal of an improved joining technique thereof is desired.

The present invention has been made in view of the above points, and an object of the present invention is to provide a double glazing for joining at least one of the following and a joining structure of the double glazing.
<1> It is possible to manufacture double glazing for joining at low cost.
<2> Double glazing can be joined without using a mullion or holder material.
<3> The appearance of the butt joints of adjacent double glazings should be improved.
<4> Improve visibility from indoors and outdoors.
<5> The degree of freedom in the joining angle of the laminated glass is high.

The present invention comprises an inner glass plate and a rectangular outer glass plate having a rectangular shape arranged opposite to each other at regular intervals, and a rectangular spacer sandwiched inside the peripheral edge of the inner glass plate and the outer glass plate. A multi-layer glass for joining, wherein a hollow chamber is defined between the two glass plates by covering the entire outer periphery of the spacer with a secondary sealing material, and a joint portion is formed on a part of the sides. It has an inclined surface inclined in the same direction at the end face of the joint portion of the inner glass plate and the outer glass plate, and is loaded into the open space formed at the joint portion of the inner glass plate and the outer glass plate located at intervals. The next sealing material has an inclined surface that inclines in the same direction as the inclined surface of the glass plate, and a pair of inclined surfaces formed at intervals between the end faces of the joint portion of the inner glass plate and the outer glass plate, and the above two. A continuous joint inclined surface was formed by the inclined surface of the next sealing material.
In another embodiment of the present invention, the width dimension of the inner glass plate is shorter than that of the outer glass plate.
In another embodiment of the present invention, a primary sealing material is interposed between both side surfaces of the spacer and the side surfaces of the inner glass plate and the outer glass plate to seal the spacer.
In another embodiment of the present invention, the inclination angle of the joint inclined surface is approximately ½ of the internal angle of the joint portion in which the double glazings are butted side by side.
The present invention is a joining structure of double glazing in which two adjacent double glazings are crossed and positioned, and the joining portions of the two double glazings are butted and joined, and any one of the above is described. The joining inclined surfaces of the adjacent double glazings are located opposite to each other with a narrow gap between them, and they are adjacent to each other with an intermediate partition material interposed therebetween. The joining inclined surfaces of the double glazing were joined inseparably.
In another embodiment of the present invention, the entire surfaces of both side surfaces of the intermediate partition member are pressed against and contacted with the joint inclined surfaces of two adjacent double glazing sheets.
In another embodiment of the present invention, the intermediate partition material is an in-situ filling type sealing material.

The present invention can obtain at least one of the following effects.
<1> The double glazing for joining forms an inclined surface on the end face of the joint between the inner glass plate and the outer glass plate, and is a secondary sealing material to be loaded into the open space formed at the joint between the two glass plates. It is only necessary to form the end surface as an inclined surface that inclines in the same direction as the inclined surface of the glass plate, and it is possible to inexpensively manufacture double glazing for joining.
<2> There is no mullion or holder material at the joint between the two double glazings, only a narrow intermediate partition material is located.
Moreover, only the narrow end faces are exposed inside and outside the intermediate partition material inside and outside the joint portion of the double glazing, and the side surface of the intermediate partition material is not exposed to the outside.
Therefore, the visibility (view) from the inside and outside of the room where the double glazing is installed is improved, and the appearance is refreshed and the appearance is very good.
<3> When joining the double glazing, it is not a structure in which the facing joining inclined surfaces are in direct contact with each other, but a structure in which an intermediate partition material is interposed between them.
Therefore, it is not necessary to use a dedicated mullion or holder material according to the joining angle of the double glazing, and the degree of freedom of the joining angle of the double glazing is increased.
<4> In the present invention, by using a double glazing having a joint inclined surface having end faces formed at a predetermined inclination angle, an intermediate partition material is provided in a gap between the joined inclined surfaces facing each other at the site. It is possible to join double glazing while maintaining high sealing performance by performing only a simple operation.
Therefore, the double glazing can be economically bonded in a short time.
<5> The side surface of the intermediate partition material can be crimped to the joint inclined surface of each double glazing by utilizing the filling pressure of the sealing material.
Therefore, high sealing performance can be ensured between the side surface of the intermediate partition material and the joint inclined surface of the double glazing.

Perspective view of the joint portion of the double glazing according to the present invention in which a part is omitted. Perspective view of inner glass plate, outer glass plate and spacer constituting double glazing Explanatory drawing of the dimensional relationship between the inner glass plate and the outer glass plate Enlarged view of the butt part of the double glazing with a part broken Model diagram of a joint where double glazing is butted Model diagram of the joint where the joining of double glazing is completed

The present invention will be described with reference to the drawings.

<1> Double glazing The double glazing 10 will be described with reference to FIGS. 1 to 4.
The double glazing 10 includes a rectangular inner glass plate 11 and a rectangular outer glass plate 12 arranged so as to face each other, and a square spacer 20 sandwiched inside the peripheral edges of both glass plates 11 and 12.
In this example, the vertical and horizontal dimensions of the double glazing 10 are shown on a small scale for easy understanding, but the actual vertical and horizontal dimensions of the double glazing 10 can be appropriately selected according to the purpose of use.

<2> Glass Plate In this example, a form in which two glass plates 11 and 12 are arranged at intervals will be described, but a combination of three or more glass plates at intervals may be used.

The inner glass plate 11 and the outer glass plate 12 are glass plates having end faces 11a to 11d and 12a to 12d on the four sides of the upper, lower, left and right sides, respectively.
Further, both the inner glass plate 11 and the outer glass plate 12 may use glass plates having various functions such as low radiation glass (Low-e glass), tempered glass, laminated glass, and wire-reinforced glass.

<2.1> Dimensional relationship between the inner and outer glass plates The dimensional relationship between the inner and outer glass plates 11 and 12 will be described with reference to FIG.
When the height of the inner glass plate 11 is H ₁ , the width of the inner glass plate 11 is L ₁ , the height of the outer glass plate 12 is H ₂ , and the width of the outer glass plate 12 is L ₂ , the inner glass plate 11 The heights H1 and H2 of the outer glass plate 12 are the same, but the width L1 of the inner glass plate ₁₁ is slightly shorter _than the width L2 of the outer glass plate 12.
The reason why the widths of the inner glass plate 11 and the outer glass plate 12 have different dimensional relationships is that the inclined surfaces 11e and 12e, which are the abutting portions of the double glazing 10, are positioned on the same extension surface.

The plate thickness t ₁ of the inner glass plate 11 and the plate thickness t ₂ of the outer glass plate 12 may be the same thickness (for example, 3 to 5 mm) or a combination of different thicknesses.

<2.2> End faces of inner and outer glass plates The inner glass plates 11 and outer glass plates 12 have three end faces 11b to 11d and 12b to 12d excluding one side end faces 11a and 12a which are butt surfaces, which are right angles as in the conventional case. Or form a trapezoid.

<2.3> Inclined surface of inner / outer glass plate In the present invention, as shown in an enlarged manner in FIG. 4, the side end surface 11a located at the abutting portion of the inner glass plate 11 and the outer glass plate 12 constituting the double glazing 10 , 12a are formed as inclined surfaces 11e and 12e over the entire height by cutting or polishing.

Since an expensive polishing device is required to form the end face of the glass plate diagonally, it has not been generalized to form the end face of the glass plate diagonally and use it.
In the present invention, by using the polishing processing apparatus, it is possible to form highly accurate inclined surfaces 11e and 12e on the side end surfaces 11a and 12a of the inner glass plate 11 and the outer glass plate 12 constituting the double glazing 10. Is.

The inclination angles θ ₁ and θ ₂ of the inclined surfaces 11e and 12e are both equal angles, and are set according to the internal angles θ of the double glazings 10 and 10.
The specific angles of the inclination angles θ ₁ and θ ₂ are set to be approximately ½ of the internal angles θ of the double glazings 10 and 10.
The "almost 1/2 angle" is not a strict angle of 1/2, but includes some tolerance.

<3> Spacer Explaining with reference to FIGS. It has a spacer function that keeps the facing distance between the glass plates 11 and 12 constant.
Since the inner glass plate 11 and the outer glass plate 12 have different overall lengths, the spacer 20 is manufactured so as to be inscribed on the side surface of the peripheral edge portion of the inner glass plate 11.

The spacer 20 is a hollow structure made of metal or resin, and a desiccant 22 is housed therein, and moisture in the hollow chamber 13 can be adsorbed through a plurality of micropores 23 opened on the inner peripheral surface of the spacer 20. ing.
The corners of the spacer 20 may be connected between the spacer bodies by using a corner key 24 of another member as shown in FIG. 2, or the spacer bodies may be bent and formed.

<4> Sealing material The airtightness of the hollow chamber 13 is maintained by using the primary sealing material 30 and the peripheral surface sealing materials 31 and 32 which are secondary sealing materials.

<4.1> Primary Sealing Material Explaining with reference to FIG. 4, the contact portion between the side surface 21 of the spacer 20 and the glass plates 11 and 12 is in contact with each other with the primary sealing material 30 interposed therebetween, and is primary. The contact surface portion between the spacer 20 and both the glass plates 11 and 12 is sealed by the sealing material 30.
The actual thickness of the primary sealing material 30 is extremely thin, and is set to a thickness in the range of, for example, about 0.1 to 0.8 mm.
The primary sealing material 30 may be an adhesive sealing material or a non-adhesive sealing material.

<4.2> Peripheral surface sealing material (secondary sealing material)
As shown in FIG. 1, peripheral surface sealing materials 31 and 32, which are secondary sealing materials, are provided over the entire peripheral surface of the spacer 20 and both glass plates 11 and 12 so as to cover the outer peripheral surfaces thereof.
Although different materials may be used in combination for the peripheral surface sealing materials 31 and 32, it is desirable to use the same material.

The peripheral surface sealing material 31 shown in FIG. 1 and the peripheral surface sealing material 32 shown in FIG. 4 have continuity, and one peripheral surface sealing material 31 has inclined surfaces 11e and 12e of both glass plates 11 and 12. The peripheral surface sealing material 32 is provided on the side excluding the above and sealed, and the other peripheral surface sealing material 32 seals the recessed open space formed between the inclined surfaces 11e and 12e of both the glass plates 11 and 12.

The peripheral surface sealing material 32 provided at the abutting portion of both the glass plates 11 and 12 is continuously formed on the same surface as the both inclined surfaces 11e and 12e.

As the material of the peripheral surface sealing materials 31 and 32 provided on the peripheral edge of the double glazing 10, a soft resin having adhesiveness and non-moisture permeability (for example, a rubber material mainly composed of a butyl-based or silicone-based sealing material) can be used. ..

<5> Joint inclined surface Explaining with reference to FIG. 4, the inclined surfaces 11e and 12 formed on the inner glass plate 11 and the outer glass plate 12 and the peripheral surface seal formed between these two inclined surfaces 11e and 12 A continuous joint inclined surface 15 is formed by the inclined surface 32a of the material 32.
The angle of the joint inclined surface 15 is equal to the inclination angles θ ₁ and θ ₂ of the side end surfaces 11a and 12a of both the glass plates 11 and 12.

<6> Hollow chamber Explaining with reference to FIG. 4, the pair of side surfaces 21 of the spacer 20 are adhered to the facing surfaces of the inner glass plate 11 and the outer glass plate 12 via the primary sealing material 30, and both glasses. A hollow chamber 13 is defined between the plates 11 and 12.
The forming width of the hollow chamber 13 can be appropriately selected, but usually the range of 5 to 18 mm is suitable.

In addition to accommodating air in the hollow chamber 13, a rare gas such as argon gas may be sealed in the hollow chamber 13 as needed, or a vacuum structure may be used.

<7> Intermediate partition material The intermediate partition material 40 is an on-site filling type sealing material provided at a butt portion of two adjacent double glazings 10 and 10.
The intermediate partition material 40 includes a soft resin having adhesiveness and non-moisture permeability (for example, a silicone-based sealing material, an emulsion-based sealing material, a sealing material mainly composed of butyl-based rubber, a two-component polysulfide-based sealing material, etc.) and curing. A sex resin can be used, and it is formed by injecting it into the butt portion of the double glazing 10 and 10 in the field.

[How to join double glazing]
Next, a joining method will be described in which the joining portions of the ends of the two adjacent double glazings 10 and 10 are butted against each other and joined at a right angle.

As for the fixing method of the peripheral end surface other than the joint portion of the double glazing 10, for example, the four sides excluding the joint portion of the double glazing 10 are directly fixed to the frame or a frame material made of hard styrene foam. The four sides of the double glazing 10 excluding the joint are fixed.

<1> Butting of double glazing (Fig. 5)
The two double glazings 10 and 10 are arranged at a predetermined internal angle θ with the joint inclined surfaces 15 and 15 of the two double glazings 10 and 10 facing each other.
At this time, a gap 16 having a constant width is formed between the opposing joint inclined surfaces 15 and 15 by providing a space between the opposing joint inclined surfaces 15 and 15.

In this example, a mode in which the internal angles θ of the adjacent double glazings 10 and 10 are set to 90 ° will be described, but the internal angles of the double glazings 10 and 10 are not limited to 90 ° and may be an acute angle or an obtuse angle.

<2> Formation of intermediate partition material (Fig. 6)
A sealing material is filled in the gap 16 formed between the facing joint inclined surfaces 15, 15 to form the intermediate partition material 40.
The left and right side surfaces 41, 41 of the intermediate partition member 40 are continuously contacted over the entire length of the joint inclined surface 15 of each double glazing 10, and the two double glazings 10, 10 are joined together. The gap between the inclined surfaces 15 and 15 is sealed.
If the gap 16 formed between the joint inclined surfaces 15 and 15 is set to, for example, 5 to 10 mm, the intermediate partition member 40 can be formed in a narrow width.

As described above, in the present invention, after assembling the double glazings 10 and 10, the gap 16 formed in the joint portion is filled with the sealing material and the intermediate partition material 40 is provided. It is possible to join the joints of two double glazings 10 and 10 butted at a predetermined angle.

<3> Angle of the joint inclined surface of the double glazing In the present invention, the joint inclined surfaces 15 and 15 facing each other are not directly contacted with each other, but are joined with an intermediate partition member 40 interposed therebetween. be.
Therefore, it is not necessary to strictly match the inclination angle of the joining inclined surface 15 of the double glazing 10 to an angle of 1/2 of the joining angle of the double glazings 10 and 10, and the joining inclined surface 15 of the double glazing 10 is roughened. Can be set to.
In other words, since the intermediate partition member 40 absorbs the forming error of the inclination angle of the joining inclined surface 15 of the double glazing 10, the adjacent double glazing 10 is not affected by the forming error of the inclination angle of the joining inclined surface 15. , 10 internal angles θ can be joined as designed.

<4> Sealing property of intermediate partition material and double glazing When a separate hard sealing material is provided inside and outside the facing joint inclined surfaces 15 and 15 to close the gap 16, the filling pressure of the sealing material is used. Since the side surface 41 of the intermediate partition material 40 can be crimped to the joint inclined surface 15 of each double glazing 10, it is high between the side surface 41 of the intermediate partition material 40 and the joint inclined surface 15 of the double glazing 10. Sealability can be ensured.
The hard encapsulant is not essential, and it is possible to form the intermediate partition material 40 without using the rigid encapsulant.

When the sealing material constituting the intermediate partition material 40 has adhesiveness, the sealing property of the contact surface between the side surface 41 of the intermediate partition material 40 and the joint inclined surface 15 of the double glazing 10 becomes higher.

Further, since the mullion is not used, there is no problem that the linear expansion coefficient of the double glazing 10 and the mullion are different, and the joint inclined surface 15 provided at the joint portion of the double glazing 10 is less likely to be cracked.

<5> Strength of the joint portion The joint inclined surface 15 of the double glazing 10 is formed between the inclined surfaces 11e and 12 formed on the inner glass plate 11 and the outer glass plate 12 and the two inclined surfaces 11e and 12. It is formed as a continuous inclined surface by the inclined surface 32a of the peripheral surface sealing material 32.
Therefore, since the entire surface of the bonded inclined surface 15 of the double glazing 10 is in contact with the entire surface of the side surface 41 of the intermediate partition material 40, the bonding area is increased and the strength is increased. The strength increases.

<6> Degree of freedom of joining angle of double glazing Since the intermediate partition member 40 is provided after assembling the double glazing 10 and 10, it is not affected by the internal angle θ which is the butt angle of the double glazing 10 and 10. Can be joined.
Therefore, it is not necessary to use a dedicated mullion or holder material according to the joining angle of the double glazing, and the degree of freedom of the joining angle of the double glazing is increased.

<7> Workability and Construction Cost As described above, in the present invention, by using the double glazing 10 in which the end face is cut at a predetermined angle to form the joint slope surface 15, the joint slope facing each other in the field is used. The double glazing 10 can be joined while maintaining high sealing performance by performing a simple operation of providing the intermediate partition member 40 in the gap 16 between the surfaces 15 and 15.
Therefore, the adjacent double glazings 10 can be economically joined in a short time.

<8> Appearance of double glazing As described above, in the present invention, there is no mullion or holder material at the joint between the two double glazings 10 and 10 butted, and a narrow intermediate partition material is used. Only 40 is located.
Moreover, only the narrow end face 42 is exposed inside and outside the intermediate partition member 40 inside and outside the joint portion of the double glazing 10 and 10, and the side surface 41 of the intermediate partition member 40 is not exposed to the outside.
Therefore, the view (view) of the joints of the double glazings 10 and 10 is not obstructed, and the appearance is good.

In FIG. 6, the intermediate partition member 40 serves as a shielding member to limit see-through, but since the intermediate partition member 40 falls within the substantially plate thickness range of the double glazing 10, the joint portion of the double glazing 10 and 10 is X. Even when visually recognized from the direction or the Y direction, the shielding range of the double glazing 10 is a narrow range of substantially the plate thickness range of the double glazing 10.
Therefore, it is possible to suppress a sense of discomfort when the joints of the double glazings 10 and 10 are viewed from the outside.

<9> Commutative property of the intermediate partition material When the intermediate partition material 40 is deteriorated or damaged, only the intermediate partition material 40 can be removed and replaced with a new intermediate partition material 40.
Since the replacement work of the intermediate partition material 40 can be performed without removing the double glazings 10 and 10, the intermediate partition material 40 can be easily replaced.

10 ... Double glazing 11 ... Inner glass plate 11e ... Inclined surface of inner glass plate 12 ... Outer glass plate 12e ... Inclined surface 13 of outer glass plate・ ・ ・ ・ ・ Hollow chamber 15 ・ ・ ・ ・ ・ Joint inclined surface of double glazing 16 ・ ・ ・ ・ ・ Gap 20 ・ ・ ・ ・ ・ Spacer 21 ・ ・ ・ ・ ・ Spacer side surface 22 ・ ・ ・ ・ ・ Spacer Drying agent 23 ・ ・ ・ ・ ・ Spacer micropores 24 ・ ・ ・ ・ ・ Corner key 30 ・ ・ ・ ・ ・ Primary sealing material 31 ・ ・ ・ ・ ・ Peripheral surface sealing material (secondary sealing material)
32: Peripheral surface sealing material (secondary sealing material)
40 ・ ・ ・ ・ ・ Intermediate partition material 41 ・ ・ ・ ・ ・ Side surface of intermediate partition material 42 ・ ・ ・ ・ ・ End face of intermediate partition material θ ・ ・ ・ ・ ・ ・ Internal angle of double glazing θ ₁・ ・ ・ ・ ・Inclination angle of the inclined surface of the inner glass plate θ ₂・ ・ ・ ・ ・ Inclination angle of the inclined surface of the outer glass plate

Claims (7)

It is provided with an inner glass plate and a rectangular outer glass plate having rectangular shapes arranged opposite to each other at regular intervals, and a rectangular spacer sandwiched inside the peripheral edge portion of the inner glass plate and the outer glass plate. It is a double glazing for joining, in which the entire outer periphery of the spacer is covered with a secondary sealing material to form a hollow chamber between the two glass plates, and a joining portion is formed on a part of the sides.
The end surface of the joint portion between the inner glass plate and the outer glass plate has an inclined surface inclined in the same direction.
The secondary sealing material loaded in the open space formed at the joint portion of the inner glass plate and the outer glass plate located at intervals has an inclined surface inclined in the same direction as the inclined surface of the glass plate.
A pair of inclined surfaces formed at intervals on the end faces of the joint portions of the inner glass plate and the outer glass plate, and the inclined surfaces of the secondary sealing material form a continuous joint inclined surface.
Double glazing for joining. The double glazing for joining according to claim 1, wherein the width dimension of the inner glass plate is shorter than that of the outer glass plate. The double glazing for bonding according to claim 1, wherein a primary sealing material is interposed and sealed between both side surfaces of the spacer and the side surfaces of the inner glass plate and the outer glass plate. The double glazing for joining according to claim 1, wherein the tilt angle of the joining inclined surface is approximately ½ of the internal angle of the joint portion in which the double glazing is butted side by side. It is a joining structure of double glazing in which two adjacent double glazings are crossed and positioned, and the joint portions of the two double glazings are butted and joined.
The double glazing for joining according to any one of claims 1 to 4 is used.
The joint inclined surfaces of the adjacent double glazings are located so as to face each other with a narrow gap.
It is characterized in that an intermediate partition material is interposed in the gap to inseparably join between adjacent inclined surfaces of the double glazing.
Joined structure of double glazing. The bonding structure for double glazing according to claim 5 , wherein the entire surfaces of both side surfaces of the intermediate partition member are in contact with each other by pressure contacting the bonding inclined surfaces of two adjacent double glazing sheets. The bonded structure of double glazing according to claim 5 or 6, wherein the intermediate partition material is an in-situ filling type sealing material.

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