JP3973366B2 - Sheet glass bonding structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a plate glass bonding structure in which a plate glass and a metal plate material are applied to each other in the thickness direction of the both and are bonded by an adhesive interposed on the applied surface.
[0002]
[Prior art]
Such a plate glass bonding structure is disclosed in, for example, Japanese Patent Application Laid-Open No. 2000-87924, in which a sheet is interposed over the entire abutting surface of the plate glass and a metal plate material, and The sheet is impregnated with an uncured adhesive over the entire surface, and the bolt is inserted into each of the plurality of through-holes formed over the plate glass, the sheet, and the plate material with the sheet sandwiched between the plate glass and the plate material. A structure is shown in which a nut is screwed into each bolt, and the plate glass and the plate material are joined by tightening with the adhesive and a plurality of bolts and nuts.
[0003]
[Problems to be solved by the invention]
According to the structure disclosed in this publication, only the sheet impregnated with the adhesive is interposed between the plate glass and the metal plate material, and the plate glass and the metal plate material include a plurality of bolts and nuts. And are joined by the cooperation of the adhesive force by the adhesive and the tightening force by the bolts and nuts.
Therefore, if there is a variation in the tightening force and tightening amount by each bolt and nut, the adhesive force by the adhesive will be strong at the place where the tightening force is strong, and conversely, the adhesive force will be weak at the place where the tightening force is weak. Spots are generated in the bonding force on the contact surface with the plate material.
When unevenness occurs in the bonding force on the abutting surface in this way, when an external force is applied to peel off the plate glass and the plate material, peeling occurs from the weakly bonding portion, and peeling proceeds as a severance. The plate glass and the metal plate material cannot be bonded with a desired strong bonding force.
[0004]
The present invention pays attention to such a conventional problem, and the purpose thereof is to make it possible to bond the plate glass and the metal plate material with a substantially uniform bonding force over the entire abutting surface, thereby An object of the present invention is to provide a plate glass bonding structure capable of reliably bonding a plate glass and a metal plate material with a strong bonding force as desired.
[0005]
[Means for Solving the Problems]
〔Constitution〕
The characteristic configuration of the invention of claim 1 is that, as illustrated in FIGS. 1, 2, and 4 to 6 , the glass sheet 1 and the metal plate 3 are applied to each other from the thickness direction of the both, It is the plate glass joining structure joined by the adhesive 15 interposed in the abutting surface 5, Comprising: The space | interval holding member 6 holding the space | interval in the thickness direction of the said plate glass 1 and the board | plate material 3 is the said plate glass 1, the board | plate material 3, and interposed between sandwiched by abutting surfaces 5 between, the adhesive 15 is a sheet 7 coated on both sides, is Zaisa through between the abutting surfaces 5, except for the spacing member 6, the plate glass 1, tightening means 12 is inserted through a plurality of through holes 2, 4 and 8 formed over the sheet 7, and the plate material 3, and the spacing member 6 is disposed around each tightening means 12, The plate glass 1 and And timber 3 is in place to be joined is clamped by the clamping means 12.
[0006]
The characteristic configuration of the invention of claim 2 is that, as exemplified in FIGS . 1, 2, and 4 to 6 , the spacing member 6 divides the abutting surface 5 into a plurality of unit bonding surfaces 5 a. Where the sheet is interposed between the unit bonding surfaces 5a, and the fastening means 12 is inserted and bonded to the plate glass 1, the sheet 7, and the plate material 3 on each unit bonding surface 5a. It is in.
[0007]
The characteristic configuration of the invention of claim 3 is that the surface of the spacing member 6 has poor adhesion to the adhesive 15 .
[0008]
In addition, as mentioned above, although the code | symbol was written in order to make contrast with drawing convenient, this invention is not limited to the structure of an accompanying drawing by this entry.
[0009]
[Action and effect]
According to the characteristic configuration of the invention of claim 1, the interval holding member that holds the interval in the thickness direction between the plate glass and the metal plate is sandwiched between the plate glass and the plate and is interposed between the abutting surfaces. sheet adhesive is applied to both sides, are Zaisa through between the abutting surfaces with the exception of the spacing members, plate glass, sheet, and each clamping means to a plurality of through-holes formed across the plate member inserted Since the interval holding member is disposed around each clamping means, and the plate glass and the plate material are clamped and joined by the clamping means , the interval holding member is applied to the contact surface between the plate glass and the metal plate material. the sheet to which the adhesive is applied by interposing a slightly greater spacing than the spacing between the glass sheet and the plate material is held by at fastening by fastening means, the glass sheet and plate By spacing to adhere against the glass sheet and plate to a predetermined distance by the spacing members, with direct contact is avoided between the glass sheet and the metal plate by the sheet, by adhering a fastening means with an adhesive In cooperation with the tightening, the glass sheet and the plate material are bonded together with a substantially uniform adhesive force over the entire abutting surface of the both, and as a result, the plate glass and the metal plate material are joined. Can be reliably bonded with a strong bonding force as desired.
[0010]
According to a feature configuration of the invention of claim 2, interval retaining member is provided so as to partition the abutting surface into a plurality of unit adhesive surface, the sheet is interposed in each unit adhesive surface, in each unit adhesive surface , glass sheets, sheets, and, since the clamping means over the sheet material are joined are inserted respectively, by a fastening by bonding a fastening means according to the adhesive applied Oite, the sheet in each unit adhesive surface, plate glass and metal It is possible to obtain a desired joining force by satisfactorily adhering to the manufactured plate material and to avoid the variation in the fastening force due to each fastening means by the interposition of the above-mentioned spacing member, so that the desired adhesion is achieved. A strong joining force due to the force and the tightening force can be obtained.
[0011]
According to the characteristic configuration of the invention of claim 3, since the surface of the spacing member is difficult to adhere to the adhesive, it can be made more uniform over the entire abutting surface of the plate glass and the metal plate material. It is possible to join with the applied adhesive force.
In other words, when the surface of the spacing member has adhesiveness to the adhesive, the adhesive bonds the plate glass and the metal plate at the same time, and also bonds the spacing member, so the plate glass and If there is unevenness in the amount of adhesive on the contact surface with the plate material, even if the plate glass and the plate material are pressed with a strong force, the interval between the plate glass and the plate material is not necessarily the predetermined interval by the interval holding member, There is a possibility that it is difficult to join with a substantially uniform adhesive force over the entire abutting surfaces of both.
On the other hand, when the surface of the spacing member has poor adhesion to the adhesive, there is no risk that the spacing member is bonded by the adhesive, so even if there is a spot in the amount of the adhesive In addition, the plate glass and the metal plate material can be reliably bonded with a substantially uniform adhesive force over the entire abutting surface.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of a plate glass bonding structure according to the present invention will be described with reference to the drawings.
For example, as shown in FIG. 1, when a part of the outer wall of a building is constituted by a glass wall A made of plate glass, such a plate glass joining structure is in the shape of a strip plate used for reinforcement of the glass wall A. It is used when the glass plates 1 are joined together in the vertical direction. The reinforcing glass plate 1 is made of tempered glass and is fixed to the glass wall A by the joint seal S, and is butt-shaped in the vertical direction. A plurality of through-holes 2 for bonding each having a relatively large diameter are formed in the pair of glass plates 1 arranged in the plate.
[0013]
On both sides in the thickness direction of the pair of plate glasses 1, as shown in FIG. 2, a stainless steel joining plate 3 as a metal plate formed in a rectangular shape is positioned across the upper and lower plate glasses 1, The upper and lower plate glasses 1 and the bonding plates 3 on both sides are applied to each other from the thickness direction of both.
Between the abutting surfaces 5 of the plate glass 1 and the bonding plate 3, as shown in detail in FIG. 4, a lattice-like interval holding member 6 formed of a fluororesin or a vinyl chloride resin is bonded to the plate glass 1. with defining the abutting surface 5 of the plate 3 in the unit bonding surface 5a of the rectangular in the same number as that of said through-hole 2, so as to hold the distance in the thickness direction of the glass sheet 1 and the bonding plate 3 fixed, the plate glass 1 It is sandwiched between the joining plate 3 and interposed. A rectangular sheet 7 is interposed between each unit bonding surface 5a, and the bonding plate 3 has a relatively small diameter through-hole for bonding so as to correspond to the through-hole 2 of the plate glass 1. A hole 4 is formed, and a bonding through-hole 8 having a relatively large diameter is formed in the center of each sheet 7.
[0014]
As shown in FIG. 3, a joining tool for joining the upper and lower plate glasses 1 using these through holes 2, 4 and 8 is a stainless steel high-tension bolt 9 having a male screw 9a formed over its entire length. And a bush 10 made of synthetic resin that is externally fitted to the bolt 9, and a pair of nut members 11 having a female screw 11 a and a head 11 b that are screwed into the bolt 9.
The bolt 9 and the nut member 11 function as a fastening means 12 that fastens the upper and lower plate glasses 1 and the joining plate 3 with the sheets 7 sandwiched between them. An engaging groove 13 is provided, and a hexagon hole 14 for a hexagon wrench W is provided in the head portion 11b of the nut member 11 so as to communicate with the female screw portion 11a.
[0015]
Each sheet 7 is a fiber material such as a glass fiber non-woven fabric, felt fabric, non-woven fabric, vulcanized fiber, and the sheet 7 made of the fiber material has an elastic epoxy-based or emulsion latex-based adhesive, a modified silicon-based adhesive, or Various sheets of adhesive 15 such as a mixed adhesive of modified silicone and elastic epoxy are impregnated, and each sheet 7 is partitioned by the spacing member 6 while the impregnated adhesive 15 is uncured. Further, each unit bonding surface 5 a is interposed between the bonding plate 3 and the glass sheet 1 and interposed in the abutting surface 5.
[0016]
Next, using the sheet 7 impregnated with the adhesive 15, the fastening means 12, and the like, the pair of glass plates 1 and both the joining plates 3 arranged in a butt shape are joined, and the pair of glass plates 1 are connected. As shown in FIG. 4, as shown in FIG. 4, the spacing members 6 are arranged on both surfaces of each glass sheet 1, and the adhesive 15 impregnated in the sheet 7 is in an uncured state. Each sheet 7 is arranged so that the through-hole 8 coincides with the through-hole 2 of the plate glass 1, that is, the spacing member 6 is positioned between the adjacent sheets 7, and the curing tape 16 is attached as necessary. To wear.
Then, the bush 10 is fitted into the through hole 2 of the plate glass 1, and the bonding plate 3 having the adhesive surface side rough-finished by blasting or the like is applied from the outside of the sheet 7 disposed on both surfaces of the plate glass 1. Bolts 9 are inserted over the through holes 2, 4, 8 and the bush 10, and nut members 11 are screwed to both ends thereof and tightened.
[0017]
As shown in FIG. 2, the nut member 11 is fastened to the bolt 9 by inserting a screwdriver D into one engagement groove 13 of the bolt 9, screwing the nut member 11 into the other bolt 9, It can be easily tightened with a hexagon wrench W.
During this tightening, the interval holding member 6 holds the interval in the thickness direction between the glass sheet 1 and the joining plate 3 constant, and the interval holding member 6 is made of fluororesin or vinyl chloride resin as described above. Since it is formed and has non-adhesiveness with respect to the adhesive 15, the adhesive 15 impregnated into the sheet 7 bonds the plate glass 1 and the joining plate 3 together with the spacing member 6. There is no fear, and the glass sheet 1 and the bonding plate 3 can be reliably bonded with the bonding force substantially uniform over the entire abutting surface 5.
[0018]
When the adhesive 15 impregnated in each sheet 7 is cured in this state, as shown in FIG. 5, the spacing member 6 is sandwiched between the plate glass 1 and the joining plate 3 and interposed between the abutting surfaces 5. In this state, a plurality of sheets 7 are interposed on the abutting surface 5, in other words, the abutting surface 5 is partitioned into a plurality of unit adhesive surfaces 5 a by the interval holding member 6, and each unit adhesive surface In 5a, the fastening means 12 including the bolt 9 and the nut member 11 is inserted into the through holes 2, 4 and 8 formed over the plate glass 1, the sheet 7, and the joining plate 3, and around each fastening means 12 The gap holding member 6 is disposed on the plate glass 1 and the joining plate 3 is fastened and joined by the fastening means 12.
[0019]
[Another embodiment]
(1) In the previous embodiment, an example in which the lattice-like spacing member 6 was used was shown. However, as shown in FIG. 6, an annular spacing member 6 having a through-hole 6a for joining is used. Although not shown in the figure, it is also possible to use a rectangular spacing member 6 having a through hole 6a for joining.
And when using the annular | circular shaped space | interval holding member 6, the through-hole 8 for joining provided in each sheet | seat 7 becomes a diameter larger than previous embodiment so that the space | interval holding member 6 can insert. Furthermore, the abutting surface 5 between the plate glass 1 and the bonding plate 3 is continuous without being divided into a plurality of unit bonding surfaces 5a as in the previous embodiment.
[0020]
Further, in the embodiments described so far, the example in which each sheet 7 is impregnated with the adhesive 15 has been shown. However, instead of impregnating each sheet 7 with the adhesive 15, the adhesive is applied to both surfaces of each sheet 7. 15 can also be applied.
Further, without using the sheet 7, it is also possible to join the unit bonding surfaces 5 a partitioned by the spacing members 6 and the continuous abutting surfaces 5 with only the adhesive 15 interposed therebetween, in which case, as shown in FIG. As described above, a plurality of spacing members 6 having a rectangular or circular cross section may be used without partitioning the abutment surface 5 between the glass sheet 1 and the bonding plate 3 into a plurality of unit bonding surfaces 5a. it can.
[0021]
(2) In the previous embodiment, the example in which the interval holding member 6 is formed of the fluororesin or vinyl chloride resin having non-adhesiveness with respect to the adhesive 15 has been described. However, the interval holding member 6 has non-adhesiveness. Instead of forming with a material, a non-adhesive material or substance may be applied only to the surface of the spacing member 6.
Furthermore, it is not necessary to have completely non-adhesiveness with respect to the adhesive 15, and the adhesive 15 can be formed of a material that is difficult to adhere, or simply by applying a material or substance that the adhesive 15 is difficult to adhere to, as desired. In the present specification, the term “hardly-adhesive” includes non-adhesiveness and difficult-adhesiveness.
[0022]
(3) Further, Tightening means 12 is not limited to the bolt 9 and the nut member 11 shown in the previous embodiments, for example, also be constituted by ordinary tap bolt and nut, further, previously Contrary to this embodiment, the nut member in which the female screw is formed may be inserted into the through hole 2 of the plate glass 1 and the head bolts may be screwed to both ends of the nut member.
[0023]
(4) In the previous embodiment, the case where the strip-like plate glasses 1 used for reinforcing the glass wall A are joined to each other has been described as an example. However, when the roof or the wall is formed of plate glass, or In the case where a beam or a section of a building is formed of sheet glass, it can be applied to the bonding of the sheet glass, and the application range is not particularly limited. Therefore, depending on the location to be applied, the bonding plate 3 is not positioned on both sides in the thickness direction of the plate glass 1 as in the previous embodiment, but the bonding plate 3 is positioned only on one side in the thickness direction of the plate glass 1. In addition, the area of the abutting surface 5 between the glass sheet 1 and the bonding plate 3, the number and area of the unit bonding surfaces 5a, and the like are appropriately selected according to the bonding strength required for the application location. Will be implemented.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view showing a sheet glass joining structure. FIG. 2 is a longitudinal sectional view showing a sheet glass joining structure. FIG. 3 is an exploded view of a joining tool used for joining sheet glass. FIG. 5 is a cross-sectional view showing a plate glass bonding structure. FIG. 6 is an illustration showing a bonding process of a plate glass bonding structure according to another embodiment. FIG. 7 is a drawing showing a bonding process of the plate glass bonding structure according to another embodiment. Explanatory drawing showing 【Explanation of symbols】
1 Flat glass 2 Plate glass through hole 3 Metal plate
4 Through- hole 5 of plate material 5 Abutting surface 5a Unit adhesion surface 6 Spacing member 7 Sheet
8 sheet through holes 12 Tightening means 15 Adhesive

Claims (3)

The plate glass and the metal plate material are applied to each other from the thickness direction of both, and are joined by an adhesive interposed between the applied surfaces, and a plate glass joining structure,
An interval holding member for holding an interval in the thickness direction between the plate glass and the plate material is sandwiched between the plate glass and the plate material and interposed between the abutting surfaces , and the sheet on which the adhesive is applied on both sides thereof is Zaisa through between the abutting surfaces except the spacing members, the plate glass, sheet, and clamping means to a plurality of through-holes formed over a plate are respectively inserted, said distance holding around each fastening means A plate glass joining structure in which a member is disposed and the plate glass and the plate material are fastened and joined by the fastening means . The interval holding member is provided so as to divide the abutting surface into a plurality of unit adhesive surface, the sheet is interposed in each unit adhesive surface, in each unit adhesive surface, the plate glass, sheet, and plate The plate glass joining structure according to claim 1, wherein the fastening means are inserted and joined together . The plate glass joining structure according to claim 1 or 2 , wherein a surface of the spacing member has poor adhesion to the adhesive .

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