JPH09111900A - Structural gasket - Google Patents

Abstract

(57) [Abstract] [PROBLEMS] To provide a structural gasket excellent in workability for attaching a plate glass and wind resistance. A structural gasket (20) of the present invention includes a pair of peripheral wall portions (21, 22) and a connecting portion that integrally connects the peripheral wall portions (21, 22).
The cross-sectional shape of the peripheral wall portions 21 and 2 is substantially H-shaped by 23.
The star-shaped cross section in which the plate glass 17 and / or the frame 18 is fitted in each U-shaped groove 25 defined by 2 and the connecting portion 23, and is further recessed from the outer surface of one peripheral wall portion 21 toward the connecting portion 23. Structural gasket that fits the zipper portion 26 into the groove 24 having the groove to strengthen the gripping state of the plate glass 17 and / or the frame 18.
20, the peripheral wall portion 21 on the side having the star-shaped groove 24 with a slight protrusion difference d is provided at the tip of the peripheral wall portion 22 on the side without the star-shaped groove 24 that defines a part of the U-shaped groove 25. The projection is made longer than the tip of the plate glass, and facilitates attachment of the plate glass and enhances wind pressure resistance.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gasket for sealing a window of a building, which is generally referred to as a structural gasket, and more particularly to a structural gasket having improved workability for attaching a sheet glass and wind pressure resistance. .

[0002]

2. Description of the Related Art Conventionally, when it is required that the periphery of a sheet glass fitted in a window portion of a building has relatively high airtightness and watertightness, chloroprene rubber and silicone, which are generally called structural gaskets, are used. A rubber sealing material such as rubber or ethylene propylene rubber is often used, and the structural gasket is constructed so that plate glass can also be mounted while a part of the structural gasket is fixed to a concrete wall around the window or a window sash member. Has been done.

FIG. 3 is a cross-sectional view of a structural gasket 10 which belongs to the most general type of conventional structural gaskets. The entire gasket 10 has a substantially H-shaped cross section, and has a pair of parallel peripheral wall portions 11, 1.
2 and a connecting portion 1 for integrally connecting the pair of peripheral wall portions 11 and 12
Broadly divided into three. Further, the gasket 10 is provided with a groove 14 having a star-shaped cross section from the outer surface of the one peripheral wall portion 11 toward the connecting portion 13, and the zipper portion 16 is provided inside the star-shaped groove 14.
Was formed so that it could be inserted.

The pair of peripheral wall portions 11 and 12 and the connecting portion 13
The U-shaped groove 15 defined by the above is formed as a perfect parallel groove, and the tip ends of the pair of peripheral wall portions 11 and 12 that define the U-shaped groove 15 are separated from the center line G of the gasket 10. By protruding with the same protruding length L, one U-shaped groove 15
Each of the peripheral regions of the plate glass 17 fitted in the above and the frame 18 fitted in the other U-shaped groove 15 is configured to be grippable, and further,
The zipper part 16 is fitted in the star-shaped groove 14 and is fitted to the one peripheral wall part 11.
The elastic force is applied to the plate glass 17 and the gripping force of the U-shaped groove 15 with respect to the plate glass 17 and the frame 18 is increased.

[0005]

However, in the structural gasket 10 described above, when the glass plate 17 which is relatively easily damaged is fitted into the U-shaped groove 15 on one side, the structure shown in FIG. As shown in the figure, since the peripheral portion of the plate glass 17 is successively inserted while being rolled up in the direction of the arrow A through the hand along the peripheral portion of the peripheral wall portion 11 on one side, there is a drawback that the mounting work is considerably troublesome. there were.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to solve the above-mentioned conventional problems and to provide a structural gasket having excellent workability for attaching a plate glass and excellent wind pressure resistance.

[0007]

SUMMARY OF THE INVENTION The object of the present invention is as follows.
The pair of side wall parts, the pair of peripheral wall parts that integrally connect the side wall parts, and the connecting part that integrally connects the peripheral wall parts form a substantially H-shaped cross section. The plate glass and / or the frame are fitted in the U-shaped grooves defined by, and the zipper part is fitted in the groove having a star-shaped cross section that is recessed from the outer surface of one peripheral wall toward the connecting part. A structural gasket for strengthening the gripping state of a plate glass and / or a frame, wherein the tip of the peripheral wall portion on the side without a star-shaped groove that defines a part of the U-shaped groove is star-shaped with a slight protrusion difference. This is achieved by a structural gasket characterized in that it is provided so as to project longer than the tip end portion of the peripheral wall portion having the groove.

Further, an object of the present invention is that the above-mentioned protrusion difference is provided to each tip of a pair of peripheral wall portions that define a part of a U-shaped groove for inserting a plate glass. Achieved by a structural gasket that does.

Further, an object of the present invention is that the protrusion difference is
It is achieved by a structural gasket characterized by being set to 5 mm or more.

The structural gasket of the present invention has a substantially H-shaped cross section by a pair of side wall portions, a pair of peripheral wall portions integrally connecting the side wall portions, and a connecting portion integrally connecting the peripheral wall portions. A star-shaped cross section in which a plate glass and / or a frame is fitted into each U-shaped groove defined by the peripheral wall portion and the connecting portion, and further recessed from the outer surface of one peripheral wall portion toward the connecting portion. A structural gasket for inserting a zipper portion into a groove having a groove to strengthen the gripping state of the plate glass and / or the frame, the tip of the peripheral wall portion defining a part of the U-shaped groove having no star-shaped groove. Part of the plate glass and / or the frame has a U-shaped part whose lower edge is defined by the other peripheral wall part because the part of the plate glass and / or the frame protrudes longer than the end part of the peripheral wall part on the side having the star-shaped groove with a slight protrusion difference. Once placed on the inner surface of the groove, after that, Square along the inner surface of the U-shaped groove wall portion defining, its tip upper edge is smoothly guided and inserted.

Further, in the structural gasket of the present invention, the above-mentioned protrusion difference is applied to the respective tip portions of the pair of peripheral wall portions defining the U-shaped groove for fitting the glass sheet, so that the glass sheet which is easily damaged is attached. Can be done safely and easily.

Further, in the structural gasket of the present invention, the protrusion difference is set to 5 mm or more, so that the U-shaped groove can be temporarily placed on the inner side surface more securely, and the U-shaped groove can be placed in the groove more reliably. Make fitting easier.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the structural gasket of the present invention will be described below in detail with reference to the accompanying drawings.
Fig. 1 shows a cross-sectional view of the structural gasket 20 of the present invention, and Fig. 2 shows a state in which the frame 18 is fitted to the structural gasket 20 and a state immediately before the sheet glass 17 is fitted. It is a figure. In the structural gasket 20 of the present invention shown in FIG. 1, one peripheral wall portion 21 is opposed to the other peripheral wall portion 22 in parallel, and the pair of peripheral wall portions 21, 22 is provided.
The gasket 20 is formed into a substantially H-shaped cross section by a connecting portion 23 that integrally connects the gaskets. Further, the gasket 20 is provided with a groove 24 having a star-shaped cross section from the outer surface of the one peripheral wall portion 21 toward the connecting portion 23.
The zipper portion 26 is fitted into the inside of the casing to elastically deform one peripheral wall portion 21 to increase the gripping force of each U-shaped groove 15 with respect to the plate glass 17 and the frame 18.

The U-shaped groove 25 defined by the pair of peripheral wall portions 21 and 22 and the connecting portion 23 is formed as a completely parallel groove, and the pair of peripheral walls defining a part of the U-shaped groove 25. The tip ends of the portions 21 and 22 are different from the above-described conventional gasket 10 in that they are provided with a slight protrusion difference d. This protrusion difference d means that the tip of the peripheral wall portion 22 on the side without the star-shaped groove 24 is set longer than the tip of the peripheral wall portion 21 on the side with the star-shaped groove 24. d is given only to the tip portions of the peripheral wall portions 21 and 22 that define the entrance of the U-shaped groove 25 into which the plate glass 17 is fitted.

The structural gasket 20 of the present invention configured as described above is, for example, as shown in FIG. 2, along with the periphery of the window frame 18, the structural gasket 20 is preliminarily provided with one U-shaped groove 25. Then, after that, the protrusion difference d
The plate glass 17 is fitted into the other U-shaped groove 25 provided with. When the plate glass 17 is fitted, first, the lower end edge 17a of the plate glass 17 is temporarily placed on the inner side surface 22a of the U-shaped groove 25 defined by the other peripheral wall portion 22, and then one peripheral wall is placed. Along the inner surface 21a of the U-shaped groove 25 defined by the portion 21, the upper edge 17b of the distal end thereof is smoothly guided, and is automatically fitted without requiring any manual labor.

This protrusion difference d is preferably set to a value of 5 mm or more over the entire circumference in order to guarantee the above-mentioned operation. Further, as shown in FIG. 1 or FIG. 2, the projection difference d is not limited to being provided only in the U-shaped groove 25 into which the plate glass 17 is fitted, and the U-shaped groove 25 into which the frame 18 is fitted is not limited. There is no problem even if it is provided at the tip of the. Further, the inner side surface 22a of the U-shaped groove 25 is made
By making the length longer than that, the gripping force of the other peripheral wall portion 22 with respect to the plate glass 17 or the frame 18 is increased, and wind pressure resistance is enhanced.

[0017]

The structural gasket of the present invention described above.
20 has the following new effects. That is, the structural gasket 20 of the present invention has a pair of side wall portions 21, 22.
And a U-shaped groove defined by the peripheral wall portions 21, 22 and the connecting portion 23, the cross-sectional shape of which is substantially H-shaped by the connecting portion 23 which integrally connects the side wall portions 21, 22. Sheet glass 17 in 25
And / or the frame 18 is fitted, and further the one peripheral wall portion 21
A structural gasket 20 for reinforcing a gripping state of the glass sheet 17 by inserting a zipper portion 26 into a groove 24 having a star-shaped cross section that is recessed from the outer surface of the plate toward the connecting portion 23. The U-shaped groove 25
Of the peripheral wall portion 22 on the side without the star-shaped groove 24 defining a part of the peripheral wall portion on the side having the star-shaped groove 24 with a slight protrusion difference d.
Since it is projected longer than the tip of 21, the glass plate 17
The lower edge 17a at the tip of the U-shaped groove is defined by the other peripheral wall portion 22.
Once placed on the inner surface 22a of 25, it becomes stable,
After that, along the inner side surface 21a of the U-shaped groove 25 defined by the one peripheral wall portion 21, the upper edge 17b of the tip thereof is smoothly guided, and it is possible to be fitted automatically without requiring human intervention. . It is easily understood that the above-described operation of inserting the plate glass 17 can be similarly applied to the frame 18 by applying the protrusion difference d to the tip portion of the other U-shaped groove 25. Will

Further, in the structural gasket 20 of the present invention, in particular, the protrusion difference d is imparted to the respective tip portions of the pair of peripheral wall portions 21 and 22 which define the U-shaped groove 25 for inserting the plate glass 17. The plate glass 17, which is easily damaged, can be attached safely and easily.

Further, the structural gasket 20 of the present invention has a U-shaped groove by setting the protrusion difference d to 5 mm or more.
The temporary placement of the plate glass 17 or the frame 18 on the inner side surface 22a of the 25 can be made more reliable, and the fitting into the groove 25 can be further facilitated. Furthermore, U-shaped groove
By making the inner side surface 22a of 25 longer than the opposing inner side surface 21a, it is possible to increase the gripping force of the other peripheral wall portion 22 with respect to the plate glass 17 or the frame 18 and to enhance wind pressure resistance.

[Brief description of the drawings]

FIG. 1 shows a cross-sectional view of a structural gasket of the present invention.

FIG. 2 is a transverse cross-sectional view showing a state in which a frame is fitted to the structural gasket of the present invention and a state immediately before fitting the sheet glass.

FIG. 3 shows a cross-sectional view of a conventional gasket belonging to the most common type.

FIG. 4 is a cross-sectional view showing a state in which a frame is fitted in a conventional structure gasket and a state in which plate glass is being fitted.

[Explanation of symbols]

 10 Conventional structure gasket 11, 12 Circumferential wall part 13 Connection part 14 Star-shaped groove 15 U-shaped groove 16 Zipper part 17 Sheet glass 17a Tip lower edge 17b Tip upper edge 18 Frame G Center line L Projection length 20 Structural gasket of the present invention 21 Side wall with star-shaped groove 21a Inner side surface 22 Side wall without star-shaped groove 22a Inner side surface 23 Connection part 24 Star-shaped groove 25 U-shaped groove 26 Zipper part d Projection difference

Claims (3)

[Claims] 1. A pair of peripheral wall portions (21, 22) and the peripheral wall portions (21, 22).
The cross-sectional shape is substantially H-shaped by the connecting portion (23) that integrally connects the peripheral wall portions (21, 22) and the connecting portion (23).
The plate glass (17) and / or the frame (18) is fitted into each U-shaped groove (25) defined by
Sheet glass (17) by inserting the zipper part (26) into the groove (24) having a star-shaped cross section that is recessed from the outer surface of (1) toward the connecting part (23).
And / or a structural gasket (20) for strengthening the gripped state of the frame (18), the peripheral wall (22) having no star-shaped groove (24) defining a part of the U-shaped groove (25). Structured gasket (20), characterized in that the tip end of () is projected longer than the tip end of the peripheral wall portion (21) on the side having the star-shaped groove (24) with a slight protrusion difference (d). . 2. The protrusion difference (d) is provided at each tip of a pair of peripheral wall portions (21, 22) defining a part of a U-shaped groove (25) for inserting a plate glass (17). A structural gasket (20) according to claim 1, characterized in that it is provided. 3. The structural gasket (20) according to claim 1, wherein the protrusion difference (d) is set to 5 mm or more.