JP3613832B2 - Laminated glass construction body - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a laminated glass construction body, particularly a large glass screen using laminated glass.
[0002]
[Prior art]
In recent years, various plate glass construction bodies for forming a large glass screen have been constructed. As shown in FIG. 8, the construction body sandwiches the upper edge portion of the plate glass G <b> 1 by the sandwiching portion 26 of the sandwiching member 4, connects the sandwiching member 4 to the suspension member 3, and attaches the suspension member 3 to the housing 21. Hold it. The clamping member 4 includes a clamping part 26 and an eyebolt 25 fixed thereto. The suspension member 3 includes a ring member 24 engaged with the upper end of the eyebolt 25 and a hook portion 23 engaged with the ring member 24.
[0003]
A male screw 28 is provided on the upper portion of the hook portion 23, and the nut 29 is screwed onto the male screw 28 through the upper portion of the hook portion 23 through the through hole 22 of the housing and the washer 30 of the housing. Thus, the plate glass G1 is suspended from the housing. Since the taper plate 27 bonded to the plate glass G1 has a shape that becomes thicker as it goes upward, the plate glass G1 to which the taper plate 27 is bonded does not fall from the sandwiching portion 26.
[0004]
Conventionally, single glass has been used as the plate glass used for large glass screens, but in recent years, laminated glass tends to be used from the viewpoint of improving properties such as soundproof performance, dropout prevention, wind pressure resistance, and intruder prevention. There is.
[0005]
However, when the single glass plate portion of FIG. 8 is made of laminated glass as shown in FIG. 7 and the upper edge portion of the laminated glass G2 is sandwiched and suspended by the sandwiching member 4, the taper plate 27 used for the sandwiching portion 26 goes upward. Since the shape becomes thicker, a force for compressing the upper part of the laminated glass G2 from both surfaces is applied as a component force of the force that supports the laminated glass G2. Therefore, the intermediate film 31 (such as thermoplastic polyvinyl butyral) of the sandwiching portion is crushed, and when the compression force is weak, the laminated glass G2 is slipped off, and further, the laminated glass G2 is dropped, On the other hand, when the compressing force is strong, there is a serious possibility that the plate glass of the sandwiching portion is broken or the intermediate film 31 is peeled off.
[0006]
[Problems to be solved by the invention]
The present invention is excellent in properties such as soundproofing performance, dropout prevention, wind pressure resistance performance, intruder prevention, etc., and the laminated glass is slipped off, the laminated glass is dropped, the plate glass of the sandwiching part is broken, the intermediate film It is intended to provide a safe laminated glass construction body that does not peel off.
[0007]
[Means for Solving the Problems]
The present invention relates to a laminated glass formed by sandwiching a laminated glass on a casing by sandwiching the upper edge portion of the laminated glass with a sandwiching member, connecting the sandwiching member to the suspension member, and suspending the suspension member on the casing. Provided is a construction body in which the above problems are solved.
[0008]
For this purpose, the laminated glass has a stepped structure in which one glass plate is projected at the upper end portion of the two glass plates joined by the interlayer film for laminated glass, and the upper end portion becomes a single plate glass portion. The single plate glass portion of the protruding upper end portion is held by the holding member.
[0009]
In addition, the laminated glass is cut out at a part of the upper end portion of one glass plate of two glass plates joined by an interlayer film for laminated glass, and the cut-out portion is a single plate glass portion. The notched single plate glass portion may be sandwiched by the sandwiching member, and the intermediate film is notched at the portion sandwiched by the sandwiching member. In addition, a spacer may be disposed in the notched portion, and the laminated glass portion in which the spacer is disposed may be sandwiched by the sandwiching member.
[0010]
[Action]
According to the present invention, in a large-sized glass screen using laminated glass with the upper edge held by a holding member, the portion held by the holding member is a single plate glass or a structure using a spacer by cutting out an intermediate film. Therefore, when the intermediate film of the laminated glass of the sandwiching part is compressed from both surfaces, the intermediate film of the sandwiched part is crushed, the laminated glass is displaced, the laminated glass is dropped, or the sandwiching part There is no fear that the glass plate will break.
[0011]
【Example】
FIG. 1 and FIG. 2 are a cross-sectional view and a front view of relevant parts according to one embodiment of a laminated glass construction body of the present invention. In the figure, 21 is a housing, 3 is a suspension member, 4 is a clamping member, and G3 is a laminated glass. The laminated glass G3 is a laminated glass whose upper edge is a single glass. The height H1 of the portion made of single plate glass is preferably 50 mm to 150 mm.
[0012]
As shown in FIGS. 1 and 2, the upper edge portion of the laminated glass G <b> 3 is sandwiched via the sandwiching member 4. The taper plate 27 has a shape that becomes thicker upward, and is bonded to both surfaces of the upper edge of the laminated glass G3 by an epoxy-based adhesive. The clamping member 4 includes a clamping part 26 having a horseshoe shape and an eyebolt 25 fixed to the upper part of the clamping part.
[0013]
The laminated glass G3 is formed by joining two glass plates with an interlayer film for laminated glass (polyvinyl butyral), and the glass plate sandwiched by the sandwiching member is required to have sufficient strength. For this reason, for example, when a float glass plate or a parallel plate glass plate is used, it is preferable to use a glass plate having a thickness of 3 mm or more. On the other hand, the glass plate that is not sandwiched by the sandwiching member is not required to be as strong as the sandwiched glass plate, and may be less than 3 mm thick.
[0014]
A taper plate 27 is bonded to both surfaces of the single glass at the upper end of the laminated glass with an epoxy-based adhesive or the like. Next, the laminated glass G3 is lifted, and the portion where the tapered plate 27 of the laminated glass G3 is bonded is inserted into the gap between the protruding portions of the horseshoe-shaped sandwiching portion 26, and the laminated glass G3 is sandwiched by the sandwiching member 4, It is suspended on the housing 21 via a suspension member 3 connected to the upper part. Next, a sealing material such as silicone is injected into the gap between the adjacent laminated glasses.
[0015]
Thus, the large glass screen (laminated glass construction body) of the present invention is obtained. The size of the laminated glass G3 is determined by the manufacturable dimensions of the laminated glass. It is about 4m x 8m.
[0016]
3 and 4 are a partial cross-sectional view and a partial front view according to another embodiment (another large glass screen) of the laminated glass construction body of the present invention. In the large glass screens of FIGS. 3 and 4, taper plates 27 are mounted on both surfaces of the upper edge portion of the laminated glass G5, and the sandwiching portion 26 contacting the taper plate has a horseshoe shape. It is the same as in the case of FIG. 1 and FIG. 2 that the laminated glass is suspended on the housing using a member or a suspension member.
[0017]
In the laminated glass G5, a part of the upper end portion of one of the two glass plates joined by the interlayer film 31 for laminated glass is notched, and the notched portion is a single glass portion. It becomes the structure which becomes. In general, it is preferable that the glass plate notch portion 36 has a width W5 of 100 to 200 mm and a height H5 of about 50 to 150 mm.
[0018]
5 and 6 are a partial sectional view and a partial front view according to another embodiment (another large glass screen) of the laminated glass construction body of the present invention. In the large glass screens of FIGS. 5 and 6, the taper plates 27 are mounted on both surfaces of the upper edge portion of the laminated glass G4, and the sandwiching portion 26 contacting the taper plate has a horseshoe shape. It is the same as in the case of FIG. 1, FIG. 2, FIG. 3, and FIG. The laminated glass G4 is formed by joining two glass plates with an interlayer film (polyvinyl butyral) 31 for laminated glass.
[0019]
In the large glass screens of FIGS. 5 and 6, the intermediate film 31 of the laminated glass G4 is cut out only around the portion where the taper plate 27 abuts, and the spacer plate 32 is inserted into the intermediate film cutout portion 35. It has become. The spacer plate 32 is preferably bonded to the plate glass G4 with a very thin double-sided tape or the like. It is desirable that the total thickness of the spacer plate 32 and the double-sided tape is equal to the thickness of the intermediate film 31. It is desirable that a portion of the laminated glass where the interlayer film is cut out is provided with a sealing material 33 before shipment from the factory so that rainwater or the like does not enter the cutout portion during transportation.
[0020]
The spacer plate 32 is preferably a polycarbonate plate or a metal plate. The spacer plate 32 is preferably slightly smaller than the notch, and if the intermediate film (using polyvinyl butyral or the like) 31 and the spacer plate 32 are not in contact with each other, the difference between the thermal expansion coefficients of the plate glass G and the spacer plate 32 is reduced. Damage to the plate glass that may occur due to the
[0021]
In general, the intermediate film notch 35 of the intermediate film 31 has a width W4 of 150 to 250 mm and a height H4 of about 75 to 175 mm, and the spacer plate 32 has a width W3 smaller than W4 and 100. -200 mm, and the height H3 is smaller than H4 and is about 50-150 mm. For example, if the notch 35 of the intermediate film 31 has a width W4 of 200 mm and a height H4 of 125 mm, the spacer plate 32 may have a width W3 of 150 mm and a height H3 of 100 mm. .
[0022]
【The invention's effect】
As described above, according to the present invention, the laminated glass construction body (large glass screen using laminated glass) has excellent properties such as soundproof performance, drop-off prevention, wind pressure resistance performance, intruder prevention and the like. When a force is applied to compress the glass intermediate film from both surfaces, the intermediate film of the sandwiching part is crushed, the laminated glass slips down, the laminated glass falls, or the plate glass of the sandwiching part is destroyed, or the intermediate film Can provide a laminated glass construction body (large glass screen using laminated glass) without fear of peeling off.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of an essential part according to one embodiment of a laminated glass construction body of the present invention.
FIG. 2 is a front view of an essential part according to one embodiment of a laminated glass construction body of the present invention.
FIG. 3 is a partial cross-sectional view according to another embodiment of the laminated glass construction body of the present invention.
FIG. 4 is a partial front view according to another embodiment of the present invention.
FIG. 5 is a partial cross-sectional view according to another embodiment of the laminated glass construction body of the present invention.
FIG. 6 is a partial front view according to another embodiment of the present invention.
FIG. 7 is a partial cross-sectional view according to a comparative example of a laminated glass construction body of the present invention.
FIG. 8 is a cross-sectional view of a main part according to a conventional example of a glass construction body.
[Explanation of symbols]
3: Suspension member 4: Holding members G1, G2, G3, G4: Laminated glass 16: Ceiling material 21: Housing 22: Loose hole 23: Hook portion 24: Ring material 25: Eye bolt 26: Holding portion 27: Tapered plate 28 : Male screw 29: Nut 30: Washer 31: Intermediate film 32: Spacer plate 33: Sealing material 34: Single plate part 35: Intermediate film notch part 36: Glass plate notch part

Claims (3)

A laminated glass construction body in which the upper edge of the laminated glass is sandwiched by a sandwiching member, the sandwiching member is connected to the suspension member, and the suspension member is suspended from the housing to suspend the laminated glass from the housing. The laminated glass has a stepped structure in which one glass plate of the two glass plates joined by an interlayer film for laminated glass is projected at the upper end portion and the upper end portion becomes a single plate glass portion. The laminated glass construction body characterized in that the single plate glass portion of the protruding upper end portion is sandwiched by the sandwiching member. A laminated glass construction body in which the upper edge of the laminated glass is sandwiched by a sandwiching member, the sandwiching member is connected to the suspension member, and the suspension member is suspended from the housing to suspend the laminated glass from the housing. The laminated glass is cut out at a part of the upper end of one of the two glass plates joined by an interlayer film for laminated glass, and the cut-out portion is a single plate glass portion. A laminated glass construction body characterized in that the cut glass sheet portion is sandwiched by the sandwiching member. A laminated glass construction body in which the upper edge of the laminated glass is sandwiched by a sandwiching member, the sandwiching member is connected to the suspension member, and the suspension member is suspended from the housing to suspend the laminated glass from the housing. The laminated glass is bonded by an interlayer film for laminated glass, and the intermediate film is cut out at a portion held by the holding member, and a spacer is disposed at the cut-out portion. A laminated glass construction body characterized in that a laminated glass portion in which the spacer is disposed is sandwiched by the sandwiching member.

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