JP3137505B2 - Double-glazed glass and method for producing the same - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a double glazing comprising a pair of single glass sheets arranged opposite to each other via a spacer and a method for producing the same.

[0002]

2. Description of the Related Art Conventionally, double-glazing is often used for heat insulation, dew condensation prevention, cold radiation prevention near windows, and the like. As shown in FIGS. 11 and 12, for example, this double-layer glass is obtained by disposing a pair of single glass plates 1 and 1 in a substantially parallel manner with a predetermined gap 2 therebetween. A desiccant-containing spacer 3 is interposed between the outer peripheral edges of the veneers 1 and 1. The desiccant-containing spacer 3 is formed by accommodating a desiccant such as silica gel in an elongated hollow case having a substantially rectangular cross section made of aluminum or the like, and passing through a large number of ventilation holes provided in the elongated hollow case. Drying of the inside of the glass is performed. The desiccant-containing spacer 3 is temporarily fixed to the glass single plates 1 and 1 with an adhesive or a double-sided tape, and the sealing material 4 is filled from the outside thereof and aged. As the sealing material 4, a soft resin material such as butyl sealant, polysulfide (thiochol or polysulfide rubber), silicon, or hot melt butyl is used.

When assembling the double-glazed glass G having such a structure on the sash side, first, a gasket (glazing channel) 5 which forms a frame having a substantially U-shaped cross section is provided on the outer peripheral edge of the double-glazed glass G. Is fitted, and the double-glazed glass G with the frame is inserted into the concave groove 6a of the main body aluminum sash 6 and mounted. As the frame, that is, the gasket 5, a vinyl chloride resin (PVC) or CR rubber is used. On the other hand, in the example shown in FIG. 13, a structure is adopted in which the side surface of the double-glazed glass G mounted on the setting block 7 is sealed with a gasket (bead channel) 8.

[0004]

However, in the double glazing having the above-mentioned structure, the incorporation of the desiccant-containing spacer 3 is troublesome, and the aging of the sealing material 4 takes a long time. Therefore, there is a problem that productivity is low.

In view of the above-mentioned conventional problems, an object of the present invention is to provide a double glazing capable of efficiently producing a double glazing and a method for producing the same.

[0006]

Means for Solving the Problems In order to solve the above-mentioned conventional problems, a first means according to the present invention comprises a pair of glass veneers arranged substantially in parallel with a predetermined gap therebetween, and a pair of glass veneers. And a spacer interposed between the glass veneers, in a double-glazed glass having the spacer,
It is made of a hard resin material into which a predetermined desiccant has been kneaded, and has a configuration extruded between the pair of single glass plates.

According to a second aspect of the present invention, in the first aspect, the spacer has a structure in which the spacer is formed of a thermoplastic hard resin material.

[0008] Further, a third means according to the present invention, in the above first means, has a configuration in which the spacer is extruded so as to cover the end face of the single glass plate.

Further, a fourth means according to the present invention comprises:
In the first means, the outer periphery of the spacer is filled with a sealing material made of a soft resin material different from the spacer by extrusion molding.

[0010] On the other hand, a fifth means according to the present invention is the fourth means, wherein a frame covering the outer peripheral edge of the outer surface of the single glass plate is formed by a part of the sealing material. Have.

A sixth means according to the present invention is directed to a method for producing a double glazing comprising a pair of glass single plates disposed substantially in parallel with a predetermined gap therebetween and a spacer interposed therebetween. The spacer is extruded between the outer peripheral edges of the single glass plate through an extrusion opening of the die device.First, as an extruded material of the spacer, a hard resin material kneaded with a predetermined desiccant is used. Prepared in advance in the die device, then insert the outer peripheral edges of the pair of glass veneers in a substantially parallel state from the side opening of the extrusion molding port in the die device, and A pair of glass veneers are fixed in a straight line along the outer peripheral edge while extruding the spacer by arranging an extrusion opening having an opening shape corresponding to the spacer between the respective outer peripheral edges. By continuously moving at speed, and has a configuration of integrating adhesively bonding the spacer to the glass veneer side.

Further, a seventh means according to the present invention, in the sixth means, has a configuration in which the spacer is extruded from a thermoplastic hard resin material.

Further, an eighth means according to the present invention comprises:
The sixth means has a configuration in which the spacer is extruded so as to cover the end surface of the single glass plate.

According to a ninth aspect of the present invention, in the sixth aspect, a soft resin material different from the spacer is simultaneously extruded on the outside of the spacer, and the sealing material is filled on the outside of the spacer. It has a configuration.

According to a tenth aspect of the present invention, in the sixth aspect, the sealing material is extruded so as to cover the outer peripheral edge of the outer surface of the single glass plate, It has the structure which forms a frame by a part.

According to an eleventh aspect of the present invention, in any one of the sixth to tenth aspects, a spacer is formed by extruding a spacer on each of a pair of opposed outer peripheral edges of a single glass plate. And a second extrusion molding step of bonding and integrating while extruding and forming a spacer on each of the other pair of outer peripheral edges of the single veneer glass. The first extrusion molding step and the second extrusion molding step include a step of arranging a pair of die devices respectively corresponding to a pair of opposed outer peripheral edges of the single glass plate.

[0017]

According to the first means, the spacer containing the hygroscopic agent can be easily incorporated by extrusion molding between the outer peripheral edges of the glass veneer.

Further, according to the second means, since the spacer is formed of a thermoplastic hard resin material, a double-glazed glass can be obtained without requiring aging time for the resin.

Further, according to the third means, the end face of the single glass plate is protected by a part of the spacer.

Further, according to the fourth means, the end face of the single glass plate is protected by the sealing material formed outside the spacer.

On the other hand, according to the fifth means, since the frame used for assembling the insulated glass is molded simultaneously with the spacer and the sealing material, the assembling work of the insulated glass is efficiently performed. .

Further, according to the sixth means, the outer peripheral edges of the pair of glass veneers are inserted into the extrusion molding opening of the die device in a substantially parallel state, so that the outer peripheral edges of the glass veneers are interposed. At the same time as the spacer material is extruded through the extrusion opening of the die unit that opens to the glass veneer and the die unit are relatively moved along the outer peripheral edge of the glass, thereby forming a pair of glass veneers. The spacers are integrated and bonded and joined between the outer peripheral edges. Since the spacer bonding at this time is performed under a high temperature and a high pressure by extrusion, a large adhesive strength is obtained by a sufficient reaction heat and reaction pressure.

Further, according to the seventh means, the spacer extruded between the outer peripheral edges of the pair of glass veneers is formed of a thermoplastic hard resin material, so that it takes time to mature the resin. A double glazing can be obtained without the need.

Further, according to the eighth means, the portion for protecting the end face of the single glass plate is formed efficiently by a part of the spacer.

On the other hand, according to the ninth means, the sealing material formed outside the spacer and protecting the end face of the single glass plate is efficiently formed simultaneously with the spacer.

According to the tenth means, the sealing material formed outside the spacer to protect the end face of the veneer veneer, and the frame covering the outer peripheral edge of the outer surface of the veneer veneer, It is formed efficiently at the same time as the spacer.

Further, if the first extrusion molding step and the second extrusion molding step are continued as in the eleventh means, the molding of the spacer, the sealing material and the frame can be efficiently performed over the entire circumference of the glass. Is being done.

[0028]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. The double-glazed glass G shown in FIG. 1 has a pair of single glass plates 11, 11 arranged substantially parallel to each other with a predetermined gap 12 therebetween. A spacer 13 containing a moisture absorbent is interposed between the portions (the lower end portion in the figure). The moisture-absorbent-containing spacer 13 is a granular moisture-absorbent 1 made of silica gel or the like.
3a is kneaded into the hard resin material 13b and extruded into a substantially rectangular cross section. As the hard resin material 13b,
A thermoplastic resin having a JISA hardness of 95 ° is employed.
The moisture absorbent 13a is filled by kneading at least 50 parts by weight in the hard resin material 13b. The filled hygroscopic agent 13a functions as a general-purpose filler for resin, and contributes to the rigidity and the stability of product dimensions with respect to temperature.

In the double-glazed glass G according to this embodiment, the spacer 13 containing a moisture absorbent is easily incorporated by extrusion molding between the outer peripheral edges of the single glass plates 11, 11. G can be obtained efficiently. In particular, in the present embodiment, since the spacer 13 is formed of the thermoplastic hard resin material 13b, a double-glazed glass can be obtained without requiring the aging time of the resin. The mounting of the double glazing G having such a structure is the same as that described above, and a detailed description thereof will be omitted (see FIGS. 11 and 12).

Next, a description will be given of an example of an apparatus used for manufacturing the double-glazed glass G having the above-described structure (FIG. 1) according to the present invention. First, in the device example shown in FIGS. 6 and 7,
Adhesive application section 21, heating section 22, extrusion section 23, separation section 2
4 are arranged in order, and a pair of glass veneers 11, 11 are continuously placed on a plurality of belt conveyors 25 provided along the arrangement direction of these parts in a state of being superimposed substantially in parallel. Is placed. Each of these belt conveyors 25 is arranged to receive a substantially central portion in the width direction of the glass veneer 11 from below, and the glass veneer 11 is turned in the direction of the arrow in the drawing by the conveyance force of the belt conveyor 25. It is configured to be sent continuously.

Positioning rollers 26 are arranged at appropriate intervals in the middle of the single glass plate 11 in the feeding direction. Each of these positioning rollers 26 is formed, for example, in a thread shape as shown in FIG.
One pair is arranged so as to sandwich a pair of both side edges facing each other in the width direction, and the position is regulated in the width direction. In the center of the body of the positioning roller 26, a disk-shaped separation plate 26a is provided so as to project in a flange shape.
The separation plate 26a is configured to be interposed between the pair of single glass plates 11, 11 so that the position of the pair of single glass plates 11, 11 is regulated in the height direction. The pair of glass veneers 11, 11 are always conveyed while being maintained at the constant width and height positions, respectively, by the position regulating force of the positioning rollers 26 in the width and height directions. ing.

Returning to FIGS. 6 and 7, in the adhesive application section 21, a pair of adhesive nozzles 28 and a pair of adhesive nozzles 28 are provided at positions corresponding to a pair of opposite side edges of the single glass plate 11 in the width direction. 28 are arranged so as to face each other from both sides.
An adhesive is supplied to each of the adhesive nozzles 28 from an adhesive supply source (not shown), and the adhesive nozzles 28 pass through the adhesive nozzles 28 to the inner surfaces of both side edges of the single glass plates 11. Is discharged. The adhesive 29 discharged from each of the adhesive nozzles 28
Is applied to the inner surfaces of a pair of opposite side edges of the single glass plates 11 and 11 in a width direction so as to form a band of a certain width.

As the adhesive 29 in the present embodiment, a urethane-based or epoxy-modified nylon-based thermosetting adhesive is used, so that the adhesive 29 reacts well with the temperature and pressure during extrusion molding described later. An adhesive state can be obtained. Before applying the adhesive 29,
If necessary, a primer treatment with a silane coupling agent is performed on the surface of the double-glazed glass G, and the adhesive 29 is applied to the primer-treated portion.

Further, in the heating section 22, for example, a far-infrared heater 31 is disposed so as to face the adhesive application area, and the far-infrared heater 31 raises the surface of the single glass plate 11 to 50 ° or more. Preheating. This is to promote the curing reaction of the adhesive 29 described above, and the far-infrared heater 31 is disposed so as to heat the entire glass single plate 11.

Further, the extruding section 23 has a single glass plate 1
A pair of die devices 32, 32 are arranged corresponding to one pair of opposite two side portions. Each of these die units 3
9, a die body 323 is attached to the tip of the extruder 321 via a joint pipe 322 that supplies an extruded resin material of a spacer. On the side of the die body 323, a single glass plate 1
A side opening 323a which allows a part of the outer peripheral edge of the first and the first 11 to be inserted is recessed, and a portion of the side opening 323a corresponding to a portion between the single glass plates 11 and 11 is provided. Are arranged such that an extrusion-formed opening 323b having an opening shape corresponding to the outer shape of the spacer 13 projects.

The extrusion molding port 323b is connected to the die body 32.
The extrusion molding port 323b communicates with an extrusion material supply pipe 323d that extends into the die body 323 through the extrusion passage 323c while being communicated with the extrusion passage 323c that is recessed in a groove shape on the front surface of the mold 3. I have. The extruded material supply pipe 323d is connected to the joint pipe 322 through the inside of the die body 323.
22 is connected to an extruder 321. That is, the extruded material fed from the extruder 321 is extruded from the extruded port 323b through the joint pipe 322, the extruded material supply pipe 323d, and the extruded passage 323c, and the spacer 13 is formed. At this time, when the spacer 13 is extruded, the resin temperature is set to 150 ° C. or higher, and the extrusion pressure in the die is set to 20 kg / cm ² or more.

A base 324 is attached to the front surface of the die main body 323 by a fixing screw 324a. The side surfaces of the base 324 are also attached to the single glass plates 11 and 1.
Side opening 32 that allows a part of the outer peripheral edge of 1 to be inserted
4b is recessed. The resin material (hard resin material 13b) used for extruding the spacer 13 is previously kneaded with a desiccant 13a such as silica gel by a kneading machine (not shown) as described above.

The outer peripheral edge of the single glass plate 11 and the die unit 32 are moved relative to each other when the spacer 13 is extruded. In the present embodiment, the glass single plate is fixed with respect to the fixed die unit 32. 11 is configured to be relatively moved by the belt transport mechanism described above. In performing relative movement between the two, positioning is performed using a reference double glazing having an accurate shape and dimensions. That is, the movement position data of the reference glass accurately aligned so as to have a certain relationship with the die device 32 is taught and stored in a control device (not shown), and based on a position control signal from the control device. As a result, the position of the positioning roller 26 is adjusted, whereby the double-layer glass G is transported with high accuracy.

Referring back to FIGS. 6 and 7, the front separating portion 24 is provided with a rotary member for cutting the spacer 13 extruded on the side edge of the single glass plate 11 to a predetermined length at a predetermined timing. A cutting blade 33 is arranged. This rotary cutting blade 33 has a cutting function by rotation,
It is configured to be moved in synchronization with the movement of the single glass plate 11 described above.

Next, a manufacturing method according to an embodiment of the present invention will be described together with the operation of the manufacturing apparatus configured as described above. The prepared pair of glass veneers 11, 11 are subjected to a primer treatment in advance at their outer peripheral edges, and are placed on the belt conveyor 25 of the manufacturing apparatus, and the first extrusion molding process is performed. .

First, in the adhesive application section 21, adhesives 29, 29 are applied in a band shape over a fixed width on the inner surfaces of a pair of opposite side edges in the width direction of the single glass plates 11, 11, and then. In the heating unit 22, the glass veneers 11, 11 are preheated by the far infrared heater 31.

In the heated glass veneers 11, 11, a pair of opposite side edges at the front end portion in the feeding direction are substantially parallel to each other in the side openings 323b, 324b of the die devices 32, 32. Is inserted by a certain amount. At this time, an extrusion molding port 323b corresponding to the spacer 13 is arranged in a portion between the outer peripheral edges of the pair of single glass plates 11,11. The extruded spacer material is supplied to the material feeding path of the die device 32 in a molten state, and the extruded spacer material is extruded through the extrusion molding port 323b.

When the spacer material is extruded from the extrusion molding port 323b, the glass veneer 11 is always conveyed at a constant and controlled speed by the conveying force of the belt conveyor 25. The outer edges of the veneers 11, 11 are moved along the controlled position. As a result, the spacer 13 is accurately extruded inside the outer peripheral edges of the single glass plates 11.

As described above, in each die unit 32, the outer peripheral edges of the single glass plates 11, 11 are inserted into the side openings 323b, 324b of the die unit 32 in a substantially parallel state.
The spacer material is extruded in a molten state through an extrusion opening 323b disposed between the outer peripheral edges of the glass veneers 11, 11, and the glass veneer 1 is extruded.
1, 11 and the die device 32 are
Are relatively moved along the outer peripheral edge of the glass single plate 11, and the spacer 13 is integrated and bonded inside the outer peripheral edge of the single glass plates 11.

At this time, since the joining of the spacer 13 is performed at a high temperature and a high pressure at the same time as the extrusion forming, a large adhesive strength can be obtained by a sufficient reaction heat and reaction pressure. You. In addition, since the spacer 13 is formed of a thermoplastic resin material, a double-glazed glass can be obtained quickly without requiring aging time for the resin.

After the spacers 13 are extruded inside the pair of opposite side edges of the glass veneers 11 in the extruded portion 23 in this manner, the glass veneers 11, 11 are extruded.
11 is sent to the separating section 24, where it is cut to a fixed length. The glass veneers 11, 11 after this cutting are rotated 90 ° on a horizontal plane to be changed in position, and set in a different direction so as to execute a second extrusion process on the other pair of outer peripheral edges. Will be reworked. Then, the above-mentioned extrusion molding step is repeated again, whereby the glass veneers 11, 11
The spacer 13 is adhesively bonded to the entire peripheral edge of the substrate to complete a double-glazed glass.

The single glass plate 11 for the die unit 32
When the same extrusion molding is carried out while changing the insertion amount, a double-glazed glass having a structure as shown in FIG. 2 is obtained. That is, in the double-glazed glass shown in FIG. 2, a part of the spacer 13 is formed so as to cover the end face of the single glass plate 11 in a plate shape. According to such an embodiment,
The end surfaces of the single glass plates 11 are protected by a part of the spacer 13.

Further, in the double-layer glass having the structure shown in FIG.
The sealing material 14 made of a soft resin material different from the above is extruded at the same time. The sealing material 14 is used to prevent breakage of the double-glazed glass from external impact, or to prevent adhesive breakage or glass breakage caused by dimensional change due to temperature change by free deformation due to softness. As the sealing material 14, it is preferable to adopt a flexible material having a hardness of JISA 70 °, and it is preferable to use a resin material having low moisture permeability.

As will be described later, the sealing material 14 is simultaneously extruded (simultaneously extruded in two colors) with the spacer 13 made of a hard resin material, so that both (14, 13) are made of the same resin material or It becomes a combination of resin materials with very good compatibility. For example, in addition to a combination of a vinyl chloride resin (PVC) and a soft vinyl chloride resin using a plasticizer, a combination of a hot melt butyl and a material obtained by adding a large amount of silica gel to the hot melt butyl to increase hardness. Can be considered.

An example of an apparatus for producing a double-glazed glass having the structure shown in FIG. 3 will be described. In the die device shown in FIG. 10 in which components corresponding to the die device 32 shown in FIG. 9 described above are indicated by the same reference numerals, a middle die 325 is added between the die body 323 and the base 324. Have been. On the side surface of the middle mold 325, a single glass plate 11,
Side opening 3 that allows a part of the outer peripheral edge of 11 to be inserted
25a are formed, and the side openings 32 are formed.
An extrusion molding port 325b is formed in the vicinity of 5a in a groove shape. The groove-shaped extrusion port 325b is partially closed on the front side by a base 324, and the remaining opening has an extrusion port corresponding to the cross-sectional shape of the sealing material 14 described above. 11, 11 are formed at positions corresponding to the outer portions.

The extrusion opening 325b of the middle mold 325
Is an extrusion material supply pipe 323 extending into the die body 323.
e and the extruder 32 via the joint pipe 326
7 is connected. The extruded material (soft resin material) fed from the extruder 327 is extruded from the extrusion port 325b as the sealing material 14.

As described above, in this die apparatus, the side opening 3
23b, 325a, and 324b have a single glass plate 11
Is inserted in a state where the outer peripheral edge of the
Spacer material (hard resin material) through the extrusion port 323b disposed between the outer peripheral edges of the first and the first 11
Is extruded in a molten state, and the glass veneer 1
The sealing material (soft resin material) is extruded in a molten state through an extrusion molding port 325b disposed outside of the first and the first 11. Then, the glass veneers 11, 11 and the die device are relatively moved along the outer peripheral edge of the glass veneers 11, 11, so that the spacers 13 are provided inside the outer peripheral edges of the glass veneers 11, 11. At the same time, the sealing material 14 is simultaneously integrated and bonded to the outside of the spacer 13. As described above, according to the present embodiment, the sealing material 14 for protecting the end faces of the single glass plates 11, 11 is efficiently formed simultaneously with the spacer 13.

In the double glazing shown in FIG. 4,
The sealing material 14 is extruded so as to cover the outer peripheral edges of the outer surfaces of the glass veneers 11, 11, and a frame (glazing channel) 15 is simultaneously formed integrally with a part of the sealing material 14. . The double glazing having such a structure is also manufactured by the same apparatus as described above, so that the manufacturing and installation work of the double glazing are performed more efficiently.

Further, in the double glazing shown in FIG. 5, the sealing material 14 is extruded so as to cover the periphery of the spacer 13 from both sides, and the sealing material 14 made of a soft resin material is used. The impact resistance of the double glazing is improved. The double glazing according to this embodiment is also manufactured by the same apparatus as described above.

[0055]

As described above, the double-glazed glass according to the present invention is obtained by extruding a spacer in which a moisture absorbent is previously kneaded between the outer peripheral edges of a single glass plate. Can be incorporated very efficiently, and a double-glazed glass can be easily and favorably obtained, and the productivity can be improved.

Further, in the method for manufacturing a double-glazed glass according to the present invention, the outer peripheral edges of a pair of glass veneers are inserted into the opening of the die apparatus in a substantially parallel state, and the outer peripheral edges of the glass veneers are joined together. By extruding the spacer into which the moisture absorbent has been kneaded in advance through the extrusion molding opening of the die device that opens between, the glass veneer and the die device are relatively moved along the outer peripheral edge of the glass. Since the spacer containing the hygroscopic agent is integrated and bonded to the inside of the outer peripheral edge of the pair of glass veneers, the spacer of the multilayer glass can be formed extremely efficiently, and the multilayer glass can be formed. It can be obtained easily and satisfactorily to improve the productivity.

[Brief description of the drawings]

FIG. 1 is an explanatory cross-sectional view showing a double glazing according to one embodiment of the present invention.

FIG. 2 is an explanatory cross-sectional view showing a double glazing according to another embodiment of the present invention.

FIG. 3 is an explanatory cross-sectional view showing a double-glazed glass according to still another embodiment of the present invention.

FIG. 4 is a cross-sectional explanatory view showing a double glazing according to still another embodiment of the present invention.

FIG. 5 is an explanatory cross-sectional view showing a double-glazed glass according to still another embodiment of the present invention.

FIG. 6 is an explanatory side view showing an outline of a production line for implementing the production method of the present invention.

FIG. 7 is an explanatory plan view of the production line shown in FIG. 6;

FIG. 8 is a partially enlarged side view showing positioning rollers used in the production lines of FIGS. 6 and 7.

FIG. 9 is an exploded perspective view of a die device used for manufacturing the double-glazed glass shown in FIG.

FIG. 10 is an exploded perspective view of a die device used for manufacturing the double-glazed glass shown in FIG.

FIG. 11 is a cross-sectional explanatory view showing an assembled state of an example of a double glazing having a conventional structure.

FIG. 12 is an exploded view of the multilayer glass shown in FIG.

FIG. 13 is an explanatory cross-sectional view showing an assembled state of a double-glazed glass having still another structure.

[Explanation of symbols]

 G Multi-layer glass 11 Glass veneer 12 Void 13 Spacer 13a Hygroscopic agent 13b Hard resin material 14 Sealing material 15 Frame 32 Die device 323 Die body 323a, 324b, 325a Side opening 323b, 325b Extrusion forming port

Claims (11)

(57) [Claims] 1. A double glazing comprising: a pair of glass veneers disposed substantially in parallel with a predetermined gap; and a spacer interposed between the pair of glass veneers. Is a double-glazed glass made of a hard resin material into which a predetermined desiccant is kneaded, and extruded between the pair of glass veneers. 2. The double glazing according to claim 1, wherein the spacer is formed of a thermoplastic hard resin material. 3. The double-glazed glass according to claim 1, wherein the spacer is extruded so as to cover an end surface of the single glass plate. 4. The double-glazed glass according to claim 1, wherein a sealing material made of a soft resin material different from the spacer is filled by extrusion molding outside the spacer. . 5. The multilayer glass according to claim 4, wherein a frame covering the outer peripheral portion of the outer surface of the single glass plate is formed by a part of the sealing material. Glass. 6. A method for producing a double glazing comprising a pair of glass veneers arranged substantially in parallel with a predetermined gap interposed therebetween, wherein said spacer is inserted into an extrusion molding opening of a die device. Extruded between the outer peripheral edges of the glass veneer, and a hard resin material kneaded with a predetermined desiccant is prepared in advance in the die device as an extruded material of the spacer. Then, from the lateral opening of the extrusion molding port in the die device, insert each outer peripheral edge of the pair of glass veneers in a substantially parallel state, and between the outer peripheral edges of the pair of glass veneers. It is possible to dispose the pair of glass veneers continuously in a linear direction along the outer peripheral edge at a constant speed while extruding the spacer by arranging an opening having an opening shape corresponding to the spacer. The method for producing a double glazing, characterized in that the integrated adhesively bonded a spacer glass veneer side. 7. The method for producing a double glazing according to claim 6, wherein the spacer is extruded from a thermoplastic hard resin material. 8. The method for producing a double-glazed glass according to claim 6, wherein the spacer is extruded so as to cover an end surface of the single glass plate. 9. The method for producing a double-glazed glass according to claim 6, wherein a soft resin material different from the spacer is simultaneously extruded outside the spacer, and a sealing material is filled outside the spacer. A method for producing a double glazing characterized by the following. 10. The method for producing a double-glazed glass according to claim 9, wherein the sealing material is extruded so as to cover an outer peripheral portion of an outer surface of the single glass plate, and a part of the sealing material is used. A method for producing a double glazing, comprising forming a frame. 11. The method for producing a double-glazed glass according to any one of claims 6 to 10, wherein a spacer is extruded and bonded to each of a pair of opposing outer peripheral edges of a single glass plate. A first extruding step of integrating, and a second extruding step of bonding and joining together while extruding a spacer on each of the other pair of outer peripheral edges of the single veneer glass. The 1st extrusion molding process and the 2nd extrusion molding process have a process which arranges a pair of die devices, respectively, corresponding to each of a pair of peripheral edge parts which oppose each other of the above-mentioned single veneer glass. Method for producing a double-glazed glass.