JP2022039546A - Fixture - Google Patents

Abstract

To provide a fixture capable of suppressing fire spread by improving fire protection function.SOLUTION: A fixture includes a vertical member 1c, a horizontal member 1, and a reinforcing material 2. In the vertical member 1c, a resin piece 3 is placed in a reinforcing material insertion groove, and the reinforcing material 2 is provided to the horizontal member 1 in a longitudinal direction therein and is fixed to the prospective surface of the vertical member 1c with a fastener 100 in the state that the horizontal member end face touches a resin piece 3. The reinforcing material 2 is inserted into the reinforcing material insertion portion and protrudes out of the end of the horizontal member.SELECTED DRAWING: Figure 4

Description

The present invention relates to fittings.

Conventionally, a fire protection sash has been known as a fitting, and such a fire protection sash is used to prevent the spread of fire in the event of a fire.

Recently, it has been desired to develop a fire protection sash having higher fire protection performance and an enhanced fire spread prevention function in the event of a fire.

In order to solve the above-mentioned problems, the fitting according to claim 1 has a vertical member, a horizontal member, and a reinforcing material. Reinforcing material is arranged in the longitudinal direction inside, and is fixed to the prospective surface of the vertical member with the fastening material in a state where the end face of the horizontal member is in contact with the resin piece, and the reinforcing material protrudes from the end of the horizontal member. It is characterized by being swallowed by the reinforcing material swallowing part.

Further, the fitting according to claim 2 has a vertical member, a horizontal member, and a reinforcing material. The vertical member has a resin piece arranged in a groove for swallowing the reinforcing material, and the horizontal member has a longitudinal reinforcing material inside. Arranged in the direction, the end face of the horizontal member is fixed to the prospective surface of the vertical member with a fastening material in a state of being in contact with the resin piece. It is characterized by being arranged in.

With the above configuration, the present invention can provide a fire protection sash (joint) having high fire protection performance and enhanced fire spread prevention function in the event of a fire.

It is a front view of the fitting of the embodiment which concerns on this invention. It is sectional drawing (2)-(2) of FIG. It is sectional drawing (3)-(3) of FIG. The mounting configuration of the center rail of the first embodiment is shown, (a) is an enlarged view of a main part seen from the indoor side of FIG. 1, (b) is a sectional view taken along line (b)-(b) of (a). (C) is a cross-sectional view taken along the line (c)-(c) of (a), and (d) is a cross-sectional view taken along the line (d)-(d) of (a). It is an exploded view of FIG. 4A. It is a perspective view which shows the resin piece used in the mounting structure of the middle rail of 1st Embodiment. It is an operation diagram by the attachment structure of the middle rail of 1st Embodiment. The mounting configuration of the center rail of the second embodiment is shown, (a) is an enlarged view of a main part seen from the indoor side, (b) is a sectional view taken along line (b)-(b) of (a), (c). Is a cross-sectional view taken along the line (c)-(c) of (a). It is an exploded view of FIG. 8A. It is a perspective view which shows the resin piece used in the mounting structure of the middle rail of the 2nd Embodiment. It is an enlarged view of the main part of FIG. 11 is a cross-sectional view taken along the line (12)-(12) of FIG. It is the figure which looked at the combination stile of a shoji from the inside of the room. It is explanatory drawing of the action effect by the heated foaming material in a crescent part. It is an enlarged view of the main part of FIG. FIG. 15 is a cross-sectional view taken along the line (16)-(16) of FIG. 16 is a cross-sectional view taken along the line (17)-(17) of FIG. It is explanatory drawing of the action effect by the heating foaming material in the lower stile part and the combination stile part. It is explanatory drawing of the action effect by the heating foaming material in the lower stile part and the combination stile part. It is explanatory drawing of the action effect by the heated foaming material in the lower frame part.

Hereinafter, the fitting A of the embodiment according to the present invention will be described with reference to the drawings. In the following description, the same reference numerals in different figures indicate parts having the same function, and duplicate description in each figure will be omitted as appropriate.

[Structure of fittings]
The fitting A shown in the present embodiment is a fire protection sash provided in the opening B1 of the skeleton B as shown in FIGS. 1 to 3, and is provided on the inner peripheral side of the vertical frame A1 and the horizontal frame A2 arranged in the opening B1. It has an external sash C and an internal sash D that are openable and closable in the frontage direction (hereinafter referred to as left and right).
The outer stile C and the inner shackle D have a combination stile (vertical member) c1, d1, a vertical stile c2, d2, an upper stile c3, d3, a lower stile c4, d4, and a combination stile (vertical member), respectively. ) Supported by the middle rail (horizontal member) 1 extending over c1, d1 and the vertical stiles c2, d2, and the combined stiles c1, d1, the vertical stiles c2, d2, the upper and lower stiles c3, d3, c4, d4, and the middle rail 1. It is provided with glass panels c5 and d5.
As shown in FIGS. 1, 4 (c) and 5 (d), the middle rail 1 has a hollow shape, has a reinforcing material 2 built therein, and is arranged on the combination stiles c1 and d1. It is supported via the resin piece 3.
As shown in FIGS. 2 and 3, the heating foam material e1 and e2 are arranged in the combination stile c1 of the outer sash C, and the heat foaming material e4 is arranged in the lower stile c4 of the outer sash C. ing.

Hereinafter, the mounting configuration of the center rail 1 will be specifically described.
As for the mounting configuration of the middle rail 1, the first embodiment and the second embodiment will be exemplified as follows.

[First Embodiment of mounting configuration of the center rail]
First, the first embodiment of the mounting configuration of the center rail 1 will be described with reference to FIGS. 4 and 5.
As for the middle rail 1, the middle rail 1 of the outer shoji C and the middle rail 1 of the inner shoji D have the same configuration. Therefore, the configuration of the middle rail 1 on the inner shoji D side will be described below, and the outer shoji C side The description of the center rail 1 will be omitted by adding the same reference numerals.

[Structure of center rail]
The middle rail 1 is made of aluminum, and as shown in FIGS. 4A and 4B, one end portion 10 of the middle rail 1 in the longitudinal direction is expected to be on the inner peripheral side of the reinforcing material swallowing groove d10 of the combined stile d1. The other end 11 is fixed to the surface by the screw 100, and the other end 11 is fixed to the prospective surface of the reinforcing material swallowing groove d20 on the inner peripheral side of the vertical frame d2 by the screw 101.
A resin piece 3 is disposed in the reinforcing material swallowing groove d10, and one end portion 10 of the center rail 1 is fixed in a state of being in contact with the resin piece 3, and one end portion 10 is slightly in the reinforcing material swallowing groove d10. It is swallowed.
The other end 11 of the middle rail 1 is fixed in a state of being swallowed in contact with the prospective surface of the reinforcing material swallowing groove d20 recessed in the vertical frame d2.
The reinforcing material swallowing grooves d10 and d20 (c10, c20) also serve as panel mounting grooves into which the left and right ends of the glass panel d5 are fitted.
As shown in FIGS. 4 (c) and 4 (d), the center rail 1 has panel mounting grooves 1a and 1b into which the vertical ends of the glass panel d5 are fitted vertically, and the panel mounting grooves 1a, A hollow portion 1c into which the reinforcing material 2 is fitted is provided between 1b.

[Structure of reinforcement]
The reinforcing material 2 suppresses deformation of the center rail 1 when the center rail 1 is heated, and prevents the glass panel d5, which is deformed by heat, from falling. The reinforcing material 2 has little elongation or deformation due to heat. It is made of metal such as steel or stainless steel, and is formed in a U-shaped cross section as shown in FIG.
Further, as shown in FIG. 5, the reinforcing material 2 has a length along the longitudinal direction of the center rail 1 longer than that of the center rail 1, and the end portion 20 of the reinforcing material 2 on the combined stile d1 side is the center rail. It is arranged so as to protrude from one end portion 10 on the side of the combination stile d1 of 1.
The end portion 21 of the reinforcing material 2 on the vertical frame d2 side does not protrude from the other end portion 11 of the center rail 1.

In such a reinforcing material 2, as shown in FIGS. 4A and 4B, the other end 20 on the side of the combined stile d1 is swallowed by the reinforcing material swallowing groove d10, and the reinforcing material swallowing groove d10 is inside. It is in contact with the prospective surface of.
Further, the end portion 21 on the vertical frame d2 side is swallowed by the reinforcing material swallowing groove d20 and is in contact with the prospective surface of the reinforcing material swallowing groove d20. It is fixed by a screw 102 screwed so as to penetrate the hollow portion 1c.

[Construction of resin piece]
The resin piece 3 is made of resin that is burnt down by the heat of a fire, and as shown in FIG. 6, the middle rail contact plate portion 30 to which one end portion 10 of the middle rail 1 abuts, and the inside of the middle rail 1 and It is integrally formed with an insertion protrusion 31 inserted inside the reinforcing material 2.
As shown in FIGS. 4 to 6, the middle rail contact plate portion 30 has a vertical length substantially the same as the vertical length of the middle rail 1, and a width slightly shorter than the groove depth of the reinforcing material swallowing groove d10. It is formed as a width.
In such a center rail contact plate portion 30, the facing portion 30a on the center rail 1 side of the center rail contact plate portion 30 is in a state where one end portion 10 of the center rail 1 is slightly swallowed by the reinforcing material swallowing groove d10. It is designed to come into contact with.
The insertion protrusion 31 extends in a direction along the longitudinal direction of the reinforcing material 2, and a portion protruding from the reinforcing material swallowing groove d10 is inserted into the middle rail 1 and inside the reinforcing material 2.

As shown in FIGS. 4C and 6, a fitting groove 32 into which the tip portion 2a on the upper surface side of the reinforcing material 2 is fitted is formed between the center rail contact plate portion 30 and the insertion protrusion portion 31. When the insertion protrusion 31 is inserted inside the reinforcing material 2, the tip portion 2a on the upper surface side of the reinforcing material 2 is fitted into the fitting groove 32.

[Action of center rail]
Next, the operation of the center rail 1 attached in the configuration of the first embodiment will be described with reference to FIG. 7.
When the fitting A is heated by the heat generated at the time of a fire, as shown in FIGS. 7 (a) to 7 (c), the center rail 1 undergoes thermal elongation in the longitudinal direction and thermal deformation due to thermal elongation.
At this time, as shown in FIGS. 7A and 7B, the resin piece 3 is burnt down by the heat generated at the time of fire, and a space is created in the reinforcing material swallowing groove d10 in which the resin piece 3 is arranged, and this space is created. It is secured as the heat elongation absorption allowance L of the center rail 1.

That is, the heat elongation of the center rail 1 can be absorbed within the range of the heat elongation absorption allowance L secured in the reinforcing material swallowing groove d10, and the amount of deformation of the center rail 1 due to this heat elongation can be suppressed.
Further, since the heat elongation of the center rail 1 is absorbed by the heat elongation absorption allowance L, the heat-stretched center rail 1 weakens the pressing force against the combined stile d1 and the vertical stile d2, and the combined stile d1 and the vertical stile d2. Deformation can be suppressed.
Since the resin piece 3 of the present embodiment has a small amount of swallowing of the center rail 1 into the reinforcing material swallowing groove d10, when it is burnt down, it is thermally stretched over substantially the entire depth of the reinforcing material swallowing groove d10. The absorption allowance L can be secured.

As shown in FIGS. 7 (b) and 7 (c), the deformation of the center rail 1 due to thermal elongation is also suppressed by the reinforcing material 2.
That is, the reinforcing material 2 made of a metal having little thermal deformation supports the middle rail 1 from the inside, so that the deformation of the middle rail 1 can be suppressed.

As described above, the center rail 1 according to the mounting configuration of the first embodiment can suppress the deformation by absorbing the heat elongation by the heat elongation absorption allowance L, and can suppress the deformation of the center rail 1 by the reinforcing material 2. It is attached to the fitting A by the configuration.
That is, the fitting A to which the center rail 1 according to the mounting configuration of the first embodiment is mounted can suppress the deformation of the combined stile d1 and the vertical stile d2 due to the thermal elongation of the center rail 1 in the event of a fire, and can also suppress the deformation of these members. The gap created by the deformation can be made small, and the supported state of the glass panel d5 deformed by the heat of the fire can be secured.
Therefore, since the generation of gaps due to heat during a fire can be suppressed and the glass panel d5 can be prevented from falling, the fitting A has high fire protection performance and can enhance the fire spread prevention function during a fire.

[Second embodiment of the mounting configuration of the center rail]
Next, a second embodiment of the mounting configuration of the center rail 1 will be described with reference to FIGS. 8 to 10.
The configuration overlapping with the first embodiment will be omitted by adding the same reference numerals.

[Structure of center rail 1]
As shown in FIGS. 8A and 8B, the center rail 1 is fixed in a state where one end portion 10 of the center rail 1 is in contact with the resin piece 3 of the present embodiment arranged in the reinforcing material swallowing groove d10. One end portion 10 is swallowed by the reinforcing material swallowing groove d10.

[Structure of reinforcement]
The reinforcing material 2 is formed so that the length along the longitudinal direction of the center rail 1 is substantially the same as the length in the longitudinal direction of the center rail 1 (slightly shorter length), and both ends 20 and 21 of the reinforcing material 2 are formed. It is built in without protruding from both ends 10 and 11 of the center rail 1.

[Construction of resin piece]
In the resin piece 3 of the present embodiment, as shown in FIG. 10, the middle rail contact plate portion 33 to which one end portion 10 of the middle rail 1 abuts and the end portion 20 on the combined stile d1 side of the reinforcing material 2 face each other. A reinforcing material contact plate portion 34 to be formed and an insertion protrusion portion 35 inserted into the middle rail 1 and inside the reinforcing material 2 are integrally formed.
As shown in FIGS. 8A, 9 and 10, the middle rail contact plate portion 33 has a vertical length substantially the same as the vertical length of the middle rail 1 and a horizontal width of the reinforcing material swallowing groove d10. It is formed to be approximately half the depth of the groove, and one end portion 10 of the middle rail 1 is configured to abut on the facing portion 33a on the middle rail 1 side of the middle rail contact plate portion 33.
As shown in FIGS. 8 (a) and 8 (b) and FIG. 10, the reinforcing material contact plate portion 34 is provided on the outdoor surface of the middle rail contact plate portion 33, and the surface on the middle rail 1 side is provided. The end portion 20 of the reinforcing material 2 is formed as a facing portion 34a facing each other so as to cover the hollow portion 1c except for the screw 100 portion.
As shown in FIGS. 8A and 8B, the insertion protrusion 35 projects from the facing portion 33a of the reinforcing material contact plate portion 33 toward the middle rail 1 side.

[Action of center rail (not shown)]
The action of the center rail 1 attached in the configuration of the second embodiment is also the same as that of the center rail 1 attached in the configuration of the first embodiment. A space is created in a portion of the material swallowing groove d10, and this space is secured as the heat elongation absorption allowance L of the center rail 1.
Further, the reinforcing material 2 made of a metal having less thermal deformation supports the middle rail 1 from the inside, so that the deformation of the middle rail 1 can be suppressed.
That is, the fitting A to which the center rail 1 according to the mounting configuration of the second embodiment is mounted is
In the event of a fire, the deformation of the combined stile d1 and the vertical stile d2 due to the thermal elongation of the center rail 1 can be suppressed, the gap created by the deformation of these members can be made small, and the deformation is caused by the heat of the fire. The support state of the glass panel d5 can be secured.
Therefore, since the generation of gaps due to heat during a fire can be suppressed and the glass panel d5 can be prevented from falling, the fitting A has high fire protection performance and can enhance the fire spread prevention function during a fire.

[Composition of heated foam material]
As shown in FIGS. 11 to 18, the above-mentioned fitting A is provided with the heated foaming materials e1 to e6, and the heated foaming materials e1 to e6 are foamed by the heat at the time of a fire to cause a fire. The gaps s to s3 (see FIGS. 14 to 20) generated when the fitting A is deformed by heat are closed to prevent the spread of fire.
As shown in FIGS. 11 to 14, the heated foaming materials e1 to e3 are arranged in the reinforcing material swallowing groove (panel mounting groove) c10 in the combined stile c1 of the external obstacle C.
As shown in FIGS. 15 to 16, the heated foaming materials e4 to e6 are provided with the heated foaming materials e4 and e5 on the outer sash D side and the heated foaming material e6 on the inner sash D side.

[Arrangement configuration of heated foaming materials e1 to e3]
The heated foaming material e1 is arranged at a portion of the crescent receiver 6 provided in the combination stile c1 of the external shoji C, which is located in the combination stile c1.
Here, the crescent receiver 6 is fixed to the right end portion of the fixing portion 60 facing the prospective surface in the reinforcing material swallowing groove (hereinafter referred to as “panel mounting groove”) c10, and to the outside of the panel mounting groove c10. It is configured to include an engaging portion 61 with which the crescent 5 is engaged, and a connecting portion 62 connecting the fixing portion 60 and the engaging portion 61.
In the connecting portion 62, the end portion on the panel mounting groove c10 side is integrally formed with the fixing portion 60 in the panel mounting groove c10, and the end portion of the connecting portion 62 on the engaging portion 61 side is formed with the engaging portion 61. It is integrally formed, protrudes outward from the inside of the panel mounting groove c10 from the fixing portion 60 toward the engaging portion 61, and extends so as to connect the fixing portion 60 and the engaging portion 61.

As shown in FIGS. 11 to 13, the heated foaming material e1 is arranged so as to face the prospective surface of the glass panel c5 on the surface of the fixing portion 60 excluding the screwed portion.
The mounting position of the heated foam material e1 may be set as the outdoor surface of the connecting portion 62 located in the panel mounting groove c10 so as to face the outdoor inner wall of the panel mounting groove c10.
As shown in FIGS. 11 and 13, the heated foaming material e2 is disposed on the inner peripheral side of the panel mounting groove c10 and on the finding surface c1c on the indoor side at two places above and below the connecting portion 62. There is.
Further, the heat foaming material e2 has a longitudinal direction along the vertical direction of the panel mounting groove c10.
As shown in FIG. 13, the heated foaming material e2 in the present embodiment is arranged as the minimum necessary length corresponding to a part of the upper and lower ranges of the panel mounting groove c10.
The length of the heated foam material e2 in the longitudinal direction may be a length that can close at least the gap s1 (see FIG. 14) at the time of foaming, and is within the upper and lower ranges of the panel mounting groove c10 excluding the connecting portion 62. If so, it may be longer than the illustrated length.
As shown in FIGS. 11 to 13, the heated foaming material e3 is arranged in the vertical direction of the panel mounting groove c10 so as to be adjacent to the fixing portion 60 on the outdoor side of the fixing portion 60 on the prospective surface c1b of the panel mounting groove c10. It is arranged in the whole area.

[Action and effect of heated foaming materials e1 to e3]
Next, the action and effect of the heated foaming materials e1 to e3 thus arranged will be described with reference to FIGS. 14 (a) to 14 (e).
Immediately after a fire breaks out from the outdoor side shown in FIG. 14 (a), the glass panel c5 and the combination stile c1 of the shoji screen C are deformed by the heat of the fire.
At this time, as shown in FIG. 14 (b), when the heated foaming materials e1 and e2 are not present, the heated foaming material e3 foams, and the outdoor side is deformed by the deformation of the combined stile c1 of the glass panel c5 and the outer sash C. Attempts to close the gap s generated in.
However, as shown in FIG. 14 (c), since the combined stile c1 of the glass panel c5 and the outer sash C is deformed by the heat of the fire even after foaming, the foamed heated foam material e3, the glass panel c5 and the outer sash C are deformed. A gap is created between the combination stile c1 and the outdoor side gap s between the glass panel c5 and the combination stile c1 of the shoji C. There is a possibility that the flame communicates with the gap s1 on the indoor side between them, and the flame passes through the gap s and the gap s1 and invades the indoor side from the outdoor side.

On the other hand, when the heated foaming materials e1 and e2 are present, as shown in FIG. 14D, the heated foaming material e3 on the outdoor side first foams, and the glass panel c5 and the shoji screen C are combined. It tries to close the gap s generated on the outdoor side due to the deformation of the stile c1.
At this time, as described above, since the combined stile c1 of the glass panel c5 and the outer sash C is deformed by the heat of the fire even after foaming, the foamed heated foam material e3, the glass panel c5, and the combined stile c1 of the outer sash C are deformed. A gap is created between the glass panel c5 and the outdoor side gap s between the glass panel c5 and the combination stile c1 of the outer sash C. It communicates with the gap s1.
After the foaming of the heated foaming material e3, as shown in FIG. 14 (e), the heated foaming materials e1 and e2 foam, and the gap s1 on the indoor side between the glass panel c5 and the combination stile c1 of the outer sash C. By filling the space, it is possible to prevent the gap s and the gap s1 from communicating with each other, thereby preventing the flame from entering from the outdoor side to the indoor side.
Therefore, the fire prevention function of the fitting A is improved, and the spread of fire due to the fire can be suppressed.

[Arrangement configuration of heated foaming materials e4 to e6]
As shown in FIGS. 15 to 17, the heated foaming material e4 has a view of the outdoor side of the combined stile (vertical member) d1 of the internal sash D on the indoor side finding surface c40 of the lower stile c4 of the external sash C. It is arranged so as to face the attached surface 70.
The lower stile c4 of the external sash C is swallowed and connected to the prospective surface c1d on the inner peripheral side of the combined stile c1 of the external sash C.
The combined stile d1 has a structure in which the stile main body 7a and the tubular vertical material 7b are integrally provided on the prospective surface d1a on the outer peripheral side of the stile main body 7a, and the heated foaming material e4 is the found surface of the vertical material 7b. I try to face 70.
In the vertical material 7b, when the crescent 5 is engaged with the crescent receiver 6, there is a pulling mechanism (not shown) for pulling the outer sash C and the inner sash D in the opposite direction to ensure watertightness. It is built-in.
The heated foaming material e5 is arranged over the entire length of the finding surface c41 on the outer peripheral side and the indoor side of the combined stile c1 of the outer sash C.
The heated foaming material e6 is arranged over the entire length of the finding surface d40 on the outer peripheral side of the combined stile d1 of the internal sash D and on the outdoor side.
The vertical member includes a vertical bone, a mullion, and the like in addition to the combined stile d1.

[Action and effect of heated foaming materials e4 to e6]
Next, the action and effect of the heated foaming materials e4 to e6 thus arranged will be described with reference to FIGS. 18 to 20.
As shown in FIGS. 18A and 18B, immediately after a fire breaks out from the outdoor side, the glass panel c5 and the combination stile c1 of the outer sash C are deformed by the heat of the fire and the chamber of the lower stile c4 of the outer sash C. Rolling to the outside occurs.
At this time, as shown in FIGS. 19 (a) and 20 (a), when the heated foaming material e4 is not present, the heated foaming materials e5 and e6 are foamed, and the combination stile c1 of the external sash C and the internal sash are used. Close the space between D and the combination stile d1.
However, due to the deformation of the combination stile c1 of the glass panel c5 and the outer sash C, a gap s2 that communicates the outdoor side and the indoor side is created between the reinforcing material swallowing groove c10 and the glass panel c5, and the outer sash C Due to the falling of the lower stile c4 to the outdoor side, a gap s3 is created between the lower stile c4 and the combined stile c1, the gap s2 and the gap s3 communicate with each other, and the gap s2 and the gap s3 through which the flame communicates. There was a risk of invading the indoor side from the outdoor side by passing through.

On the other hand, when the heated foaming material e4 is present, the heated foaming materials e4 to e6 foam as shown in FIGS. 19 (b) and 20 (b).
The heated foaming material e4 foams toward the combined stile d1 of the internal sash D, so that when the lower stile c4 of the external sash C falls to the outdoor side, the lower stile c4 and the combined stile c1 are combined. The gap s3 generated between them is closed.
The heated foaming materials e5 and e6 are foamed between the combination stile c1 of the outer sash C and the combination stile d1 of the inner sash D, respectively, so that the combination stile c1 of the outer sash C and the combination of the inner sash D are combined. Close the space with the stile d1.
That is, by filling the gap s3 that cannot be closed by the heated foaming materials e5 and e6 with the heated foaming material e4, communication between the gap s2 and the gap s3 can be prevented, whereby the flame from the outdoor side to the indoor side can be prevented. Can be prevented from invading.
Further, since the heated foaming material e4 is arranged so as to face the finding surface 70 on the outdoor side of the sash (vertical member) d1 of the sash D, the sash d when foamed is the sash of the sash D. (Vertical member) d1 can be relied on, and the gap s3 between the lower stile c4 and the combined stile c1 can be reliably closed.
Therefore, the fire prevention function of the fitting A is improved, and the spread of fire due to the fire can be suppressed.

According to the fitting A having the above configuration, the deformation of the middle rail 1 due to the heat at the time of fire is suppressed, and the deformation of the combined stiles c1, d2 and the vertical stiles c2, d2 are absorbed by absorbing the elongation of the middle rail 1. Can be suppressed.
By suppressing the deformation of the combined stiles c1 and d2 and the vertical stiles c2 and d2, the gaps s to s3 generated in each part can be reduced.
Further, even if the gaps s to s3 are generated, the flames can be prevented from entering the room by closing the gaps s to s3 with the heated foaming materials e1 to e6.
In particular, the heated foaming materials e1, e2, and e4 can prevent the flame from entering the room at a portion that could not be prevented by the heated foaming materials e3, e5, and e6.
Therefore, it is possible to provide the fitting A capable of improving the fire prevention function and suppressing the spread of fire due to the fire.

Although the fittings of the embodiments according to the present invention have been described in detail with reference to the drawings, the specific configuration is not limited to these embodiments and does not deviate from the gist of the present invention. Even if there is a design change or the like, it is included in the present invention.
The window type is not limited to the sliding window, and can be applied to an internally moving single-sliding window, an externally moving single-sliding window, and the like.

Further, each of the above-described embodiments can be combined by diverting the technologies of each other as long as there is no particular contradiction or problem in the purpose and configuration thereof.

A: Joinery B: Frame B1: Opening A1: Vertical frame A2: Horizontal frame C: External shoji D: Internal shoji c1: Combined stile (vertical member)
d1: Assortment stile (vertical member)
c2: Vertical stile d2: Vertical stile c3: Upper stile d3: Upper stile c4: Lower stile d4: Lower stile c5: Glass panel d5: Glass panel 1: Middle rail 1a: Panel mounting groove 1b: Panel mounting groove 1c: Hollow part 1d: Expected surface 10: One end 11: The other end c10: Reinforcing material swallowing groove (panel mounting groove)
c1b: Expected surface c1c: Found surface c1d: Expected surface d10: Reinforcing material swallowing groove (panel mounting groove)
d20: Reinforcing material swallowing groove (panel mounting groove)
d1a: Expected surface c41: Found surface d40: Found surface 100: Screw (fastening material)
101: Screw (fastening material)
102: Screw 2: Reinforcing material 2a: Tip part 20: End part 21: End part 3: Resin piece 30: Middle rail contact plate part 31: Insertion protrusion 32: Fitting groove 33: Middle rail contact plate part 34 : Reinforcing material contact plate part 35: Insertion protrusion 30a: Face-to-face part 33a: Face-to-face part 5: Crescent 6: Crescent receiver 60: Fixed part 61: Engagement part 62: Connecting part 7a: Frame body 7b: Vertical material 70: Found surface e1 to e6: Heated foam material s to s3: Gap

Claims (2)

It has a vertical member, a horizontal member, and a reinforcing material. The vertical member has a resin piece arranged in a groove for swallowing the reinforcing material, and the horizontal member has a reinforcing material arranged inside in the longitudinal direction, and the end face of the horizontal member. Is fixed to the prospective surface of the vertical member with a fastening material in a state of being in contact with the resin piece, and the reinforcing material is a fitting characterized in that it protrudes from the end of the horizontal member and is swallowed by the reinforcing material swallowing portion. It has a vertical member, a horizontal member, and a reinforcing material. The vertical member has a resin piece arranged in a groove for swallowing the reinforcing material, and the horizontal member has a reinforcing material arranged inside in the longitudinal direction, and the end face of the horizontal member. Is fixed to the prospective surface of the vertical member with a fastening material in a state of being in contact with the resin piece, and the reinforcing material has substantially the same length as the horizontal member and is arranged inside the horizontal member. Joinery.

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