JPH10238234A - Spacer for plural layer glass - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve workability by arranging a fin part to protect end surfaces of glass plates in a long size spacer main body to join peripheral side parts of two glass plates. SOLUTION: A spacer 1 is composed of a spacer main body 3 having a drying agent inserting hollow part 2 and a fin part 4 arranged in its lower end. An applying groove part 5 of a primary sealing sealant and an applying groove part 6 of a secondary sealant are arranged in a main body 3 side part, and plural moisture absorbing holes 7 are arranged in an upper part of a main body 3, and a secondary sealant external leakage preventive groove part 8 is arranged in a joining part of the main body 3 and fin 4, At assembling time, the fin 4 of the spacer 1 to which the primary and secondary sealants are applied, is positioned by being brought into contact with respective end surfaces of glass plates, and the primary and secondary sealants are joined to a glass peripheral part, and an excess secondary sealant is housed in the groove 8. Next, after the glass plates are placed on the spacer 1 by using the fin 4 as a guide, both glass surfaces are pressed. Therefore, they can be easily positioned, and an entrance of moisture into an air layer can be prevented, and a glass end surface can be protected at transport time.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spacer for use in a double-glazing system in which two glass plates are stacked, and more particularly, to a double-glazing system used in a curtain wall structure using a sash and a blow-through portion of reinforced concrete. This is a proposal for a spacer for a double glazing suitable for a top light or the like to be used.

[0002]

2. Description of the Related Art As is well known, a double glazing is a double glazing having a structure in which a spacer is interposed between two glass plates of a predetermined size and an air layer is formed between the two glass plates. Yes, it is widely used in buildings because it can greatly improve the heat insulation performance and sound insulation performance of buildings.

FIG. 5 is an explanatory view showing an assembly structure of a conventional double glazing, FIG. 6 is an explanatory view of a cross-sectional structure of the conventional double glazing, and FIG. It is an assembly drawing of the spacer of FIG.

Hereinafter, a conventional double glass and a spacer used for the double glass will be described with reference to the drawings. The double glazing 15 is usually made of a glass plate 16 which is in contact with the outside air.
And two glass plates 17 facing the room. Spacers 18 are provided on the inner peripheral sides of the glass plates 16 and 17.
Are arranged so as to be sandwiched between the glass plates 16 and 17,
An air layer 19 is formed in a portion of the inner surfaces of the glass plates 16 and 17 surrounded by the spacers 18 and serves to improve heat insulation and sound insulation. The glass plates 16, 1
7 has fluidity even when a deformation force is applied to the contact portion between the inner peripheral side portion and the spacer 18 and has a stress relaxing action.
Further, it is sealed with a primary sealing agent 9 such as a butyl material that does not cure and a secondary sealing agent 10 such as a silicon-based material.

[0005] As shown in FIG. 7, such a spacer 18 is usually formed of a hollow aluminum spacer part 18 a, into which a desiccant is inserted to absorb moisture entering the air layer 19. It has such a structure. Further, the long spacers 18a are joined by corner keys 18b, respectively, and the glass plates 16 and 17 are joined together.
It is assembled in the same rectangular frame shape as.

[0006]

Since the conventional spacer 18 has a structure in which a hollow body made of aluminum is simply assembled into a frame shape as described above, the spacer 18 is set on the glass plates 16 and 17. When the spacer 1 is placed,
It is difficult to judge whether to attach the glass 8 or a slight displacement between the upper and lower surfaces and the side edges (thickness of the sheet glass; hereinafter, collectively referred to as an edge) of the glass plates 16 and 17. This was an operation that required extremely skill. However, an object of the present invention is to promote work efficiency by providing a double-glazed spacer for simply and accurately finishing a double-glazed glass without skill.
In addition, there is a need to eliminate complicated work.

[0007]

In order to achieve the above object, the present invention proposes the following means as a framework for solving the problem. That is, a spacer used for a double glazing in which an air layer is formed between two glass plates by interposing a spacer between the two glass plates, and for joining the peripheral side portions of the two glass plates. A spacer for a double glazing, comprising: a long spacer main body; and a fin for protecting end faces of the two glass plates integrated with the spacer main body. Preferably, the spacer main body side has a plurality of grooves for applying a sealing agent along the longitudinal direction of the main body side, and the spacer main body has a hollow for inserting a desiccant inside the main body. It is preferable to have a part. It is more preferable that the spacer has an adhesive leakage preventing groove between the spacer body and the fin.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION The spacer for a double glazing of the present invention has a fin portion provided integrally with the main body of the spacer, and a primary sealing agent and a secondary sealing agent are provided on the side of the spacer main body. By providing a groove for coating and storing, it is possible to easily position and attach the spacer, to reliably prevent moisture from entering the air layer, to prevent the sealing agent from protruding during assembly work, and to keep the glass end face during transportation etc. Protect and prevent glass breakage.

[0009]

FIG. 1 is a perspective explanatory view showing a spacer for a double glazing of the present invention. The spacer 1 of the present invention includes a long spacer main body 3 having a hollow portion 2 and a fin portion 4 integrated with a lower end of the main body 3. Further, on the side of the main body 3, a groove 5 for applying a sealing agent for primary sealing and a groove 6 for applying a sealing agent for secondary sealing are respectively provided along a longitudinal direction of the main body 3. A plurality of moisture absorption holes 7 are provided in the upper part of the main body 3. The main body 3 and the fin 4
A groove 8 for preventing external leakage of the secondary sealing agent extending in the longitudinal direction is provided in the vicinity of the joint portion of. In addition, the length of the long main body 3 is used by being cut into a length substantially equal to the length of the sheet glass used for the double glazing. It is determined according to the thickness of the air layer of the glass. The materials of the main body 3 and the fin portion 4 are as follows:
Basically, it is made of a metal such as aluminum as in the conventional case, and if necessary, it may be made of a hard resin or the like. , Which can be integrated.

In the present invention, the reason why the fin portion 4 is provided integrally with the main body 3 is that the fin portion 4 serves as a guide for easily setting the spacer 1 of the present invention on the peripheral side of the glass plate without positioning. The hollow portion 2 provided in the main body 3 is a space for inserting a desiccant, and the moisture generated inside the double-glazed glass is provided for protecting the glass end face with the fin portion 4. Then, the moisture is absorbed by the desiccant set in the hollow portion through the moisture absorption hole 7. In addition, the moisture absorption hole 7
May be a structure in which the upper part of the main body 3 is cut out or any structure, and is not limited to this. The groove 5
The groove depth of the groove 6 can be appropriately determined in relation to the application amount of the primary or secondary sealing agent. The kind of the sealing agent applied to the spacer 1 of the present invention is a commonly used sealing agent, that is, the primary sealing agent does not lose fluidity like a butyl material, and has moisture in the air layer. It is preferable to use a sealing agent that does not easily enter, and it is preferable to use a one-part or two-part resin adhesive such as silicone rubber as the secondary sealing agent.

FIG. 2 is an explanatory sectional view showing a state in which the sealing agent 9 for the primary sealing and the sealing agent 10 for the secondary sealing are loaded in the spacer 1 for the double glazing of the present invention. As described above, a highly waterproof sealant 9 such as a butyl material is applied to the insertion groove 5 for the primary sealant provided in the main body 3 in a string shape.
Further, a one-part or two-part adhesive such as silicone rubber is applied to the insertion groove 6 for the secondary sealing agent. The primary sealing agent is preferably applied in the form of a string from the viewpoint of adhesion, and the secondary sealing agent is applied using a jig such as a caulking gun. In the figure, reference numeral 8 denotes a groove portion for preventing external leakage of the secondary sealing agent as described above, which has a structure for receiving an excessive sealing agent in the groove 8 when the secondary sealing agent is bonded to the glass surface. Has become. FIG. 3 shows a state in which the spacer 1 of the present invention shown in FIG.
FIG. 4 is a partially cutaway perspective view in which is formed, and FIG. 4 is a cross-sectional side view thereof. The duplicated glass 11 is provided with the spacer 1 of the present invention interposed on each end surface of the inner peripheral side (the side not exposed to the outside air or the indoor air) of the two glass plates 12 and 13 that are separated and laminated. It is configured.

The process of forming such a double-glazed glass 11 will be described. First, the primary and secondary sealing agents shown in FIG. 2 are applied to all four end faces of the glass 12 which has been washed. The fin portion 4 of the spacer 1 of the present invention is set in contact with the spacer 1, and the spacer 1 is mounted and positioned. By such an operation, the primary sealant 9 and the secondary sealant 10 applied to the spacer body 3 at the same time, the plate glass 1
The surplus secondary sealing agent joined to the periphery of the first sealing agent 1 is stored in the leakage preventing groove 8 and then fixed. Then
The glass plate 13 is placed on the spacer 1 using the fins 4 as a guide, and then both surfaces of the glasses 12 and 13 are pressed to obtain the double-glazed glass 11 having the air layer 14. In addition, both ends of the spacer 1 of the present invention are cut obliquely in advance, and by engaging the cut spacer with the cut portions of other spacers,
This has the effect that it can be formed in a frame shape without using the conventional space key 18b.

[0013]

The spacer for a double-glazed glass according to the present invention having the above-described structure can easily mount and position the spacer, reliably prevent moisture from entering the air layer, and use the sealing agent during the assembly operation. This has the effect of preventing protrusion and protecting the glass end face during transportation and the like, and preventing glass breakage.

[Brief description of the drawings]

FIG. 1 is an explanatory perspective view showing a spacer for a double glazing of the present invention.

FIG. 2 is an explanatory sectional view showing a state in which a sealing agent is loaded on the spacer of the present invention.

FIG. 3 is a partially cutaway perspective view in which a double glazing is formed using the spacer of the present invention.

FIG. 4 is a sectional side view taken along line AA of FIG. 3;

FIG. 5 is an explanatory view showing an assembling structure of a conventional double glazing.

FIG. 6 is an explanatory view of a cross-sectional structure of a conventional double glazing.

FIG. 7 is an assembly view of a conventional spacer.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Spacer 2 ... Air layer 3 ... Main body 4 ... Fin part 5, 6 ... Sealant application groove part 8 ... Sealant leakage prevention groove part 9 ... Primary sealing Agent 10 ・ ・ ・ Secondary sealing agent 11 ・ ・ ・ Multilayer glass 12,13 ・ ・ ・ Glass plate

Claims (4)

[Claims] 1. A spacer used for a multi-layer glass in which an air layer is formed between two glass plates by interposing a spacer between the two glass plates, wherein a peripheral side portion of the two glass plates is joined. And a fin for protecting end faces of the two glass plates integrated with the spacer main body. 2. The spacer for a double glazing according to claim 1, wherein the spacer main body side has a plurality of grooves for applying a sealing agent along a longitudinal direction of the main body side. 3. The spacer for a double glazing according to claim 1, wherein the spacer main body has a hollow portion into which a desiccant is inserted inside the main body. 4. The spacer for a double glazing according to claim 1, wherein the spacer has an adhesive leakage preventing groove between the spacer main body and the fin portion.