JP7009557B2 - Joinery - Google Patents

Description

The present invention relates to a fitting provided with a window frame made of synthetic resin.

Joinery with a window frame made of synthetic resin is known (see, for example, Patent Document 1). The window frame made of synthetic resin has a four-circumferential framework consisting of a frame material forming an upper frame, a lower frame, a left vertical frame, and a right vertical frame. Each frame material is provided with a hollow portion along the longitudinal direction in order to increase the rigidity, and the rail provided on the window frame for guiding the shoji is also provided with a hollow portion along the longitudinal direction. Since synthetic resin has low heat resistance, a shaped steel member including a rail is inserted in the hollow portion of the window frame made of synthetic resin as a reinforcing member. Further, the rails provided in the upper frame and the lower frame are inserted into the recesses provided in the upper and lower end portions of the shoji.

Japanese Unexamined Patent Publication No. 2005-35109

When the window frame is exposed to flames due to a fire or the like and the window frame melts, the outdoor end of the lower frame descends or the outdoor edge of the upper frame rises at a portion protruding from the skeleton. Deformation that warps like that occurs. At this time, when the shoji placed on the lower frame also descends together with the lower frame, the gap between the rail provided on the curved upper frame and the lower frame is opened, and the shoji is inserted into the recess provided at the upper end of the shoji. There is a problem that the fire resistance is low because the rails are pulled out and the shoji are easily dropped.
The present invention has been made in view of the above problems, and an object of the present invention is to provide fittings having higher fire resistance.

In order to achieve such an object, the fitting of the present invention is inserted into the upper end portion of the shoji, and is provided with a first hollow portion along the in-plane direction of the shoji to guide the shoji, and the outer rail of the outer rail. An upper frame made of synthetic resin having a main body portion provided above and having a second hollow portion along the in-plane direction, a metal rail reinforcing member provided in the first hollow portion, and the second hollow portion. It has a metal main body reinforcing member provided in the portion, and the main body reinforcing member is connected to the rail reinforcing member by a screw penetrating the first hollow portion from under the outer rail. It is a characteristic fitting.

In such a fitting, the main body reinforcing member has a pair of facing surfaces facing each other in the vertical direction and an outdoor connecting portion for connecting the indoor edges of the pair of facing portions in the vertical direction, and the screw. Is screwed into the facing surface portion on the lower side, and is characterized in that the outdoor connecting portion is provided with a heated foam material on the outdoor side surface.

In such a fitting, the upper end portion of the shoji has a stile groove into which the outer rail is inserted and recessed downward, and a stile hollow portion under the stile groove. A metal stile hollow portion reinforcing member having a pair of stile hollow portion inner facing wall portions facing in a direction and a stile hollow portion inner connecting portion connecting the outdoor ends of the pair of stile hollow portion inner facing wall portions. It is provided, and is characterized in that a heated foaming material is provided on both the outdoor side and the indoor side surfaces of the connecting portion inside the hollow portion of the rail.

The fitting is characterized in that the main body reinforcing member is connected to a skeleton connecting member fixed to the skeleton.

The embodiments shown below also include the following inventions as reference techniques.
The inner rail and the outer rail, which are inserted into the upper end of the shoji and have a first hollow portion along the in-plane direction of the shoji to guide the shoji, and the inner rail and the outer rail, respectively, are expected. A synthetic resin upper frame having a main body portion having a second hollow portion along the in-plane direction provided at a distance from each other in the direction, and a metal rail reinforcing member provided in the first hollow portion, respectively. And a skeleton connection that connects the metal main body reinforcing member provided in the second hollow portion and connected to the rail reinforcing member located below, and the upper portion and the skeleton of the main body reinforcing member on the inner rail side. It is a fitting characterized by having a member and a metal reinforcing member connecting member that connects the lower portion of the main body reinforcing member on the inner rail side and the lower portion of the main body reinforcing member on the outer rail side.

According to such fittings, the lower part of the main body reinforcing member on the inner rail side and the lower part of the main body reinforcing member on the outer rail side, whose upper part is connected to the skeleton, are connected by a metal reinforcing member connecting member. Therefore, even if the upper frame is exposed to a flame due to a fire or the like and the upper frame is melted, it is unlikely that the upper frame is warped so that the outer end portion of the outdoor side rises. Therefore, the state in which the inner rail is inserted in the shoji and the state in which the outer rail is inserted in the outer shoji are maintained, and the inner and outer shoji are difficult to fall off, so that it is possible to provide a fitting having high fire resistance. ..

In such fittings, it is desirable that the skeleton connecting member is connected to the main body reinforcing member on the outer rail side.
According to such fittings, the main body reinforcing member on the outer rail side is connected by the skeleton connecting member, so that the main body reinforcing member on the inner rail side and the main body reinforcing member on the outer rail side are connected both on the upper side and the lower side. Therefore, even if the upper frame is exposed to a flame due to a fire or the like and the upper frame is melted, the upper frame is less likely to be deformed. Therefore, it is possible to provide fittings with higher fire protection.

In such a fitting, it is desirable that the reinforcing member connecting member is provided above the mating portion between the internal sash and the external sash.
According to such fittings, the inner rail side is above the combination portion between the inner sash and the outer sash, which is the central side in the width direction of the fitting and is most easily deformed when heated by a flame or the like. Since the main body reinforcing member of the above and the main body reinforcing member on the outer rail side are connected, it is possible to suppress the deformation of the upper frame more efficiently.

According to the present invention, it is possible to provide a fitting having higher fire resistance.

It is a vertical sectional view which shows the fitting which concerns on this embodiment. It is the figure which looked at the cross section of the fitting which concerns on this invention from the bottom. It is a vertical sectional view which shows the upper part of a fitting. It is the figure which looked at the upper frame from the bottom to show the arrangement of the upper frame fixing reinforcement member. It is a figure which shows the arrangement of the wind blocking member, the reinforcing member connecting member, and the heating foaming material provided in the upper frame. It is a figure which shows the arrangement of a combination stile, a wind blocking member, a reinforcing member connecting member, and a heated foaming material. It is a vertical cross-sectional view which shows the state of the upper frame at the time of heating a fitting provided with a reinforcing member connecting member. It is a vertical cross-sectional view which shows the state of the upper frame when a fitting which does not have a reinforcing member connecting member is heated. It is a vertical sectional view which shows the deformation example of a reinforcing member connecting member.

Hereinafter, fittings according to an embodiment of the present invention will be described with reference to the drawings.
As shown in FIG. 1, the fitting 1 of the present embodiment is a fitting 1 for a sliding window provided with a frame body 2 and an internal sash 3 and an external sash 4 supported by the frame body 2.

In the following description, with the fitting 1 attached to a building or the like, the vertical direction is shown as the vertical direction, the left and right directions are shown, the moving direction of the inner shoji 3 and the outer shoji 4 is shown as the left-right direction, and the depth direction is shown as the expected direction. .. Whether it is each part of the fitting 1 or each member constituting the fitting 1 in a single state, the directions are the vertical direction, the horizontal direction, and the prospective direction when the fitting 1 is attached to a building or the like. The direction will be specified and explained in.

As shown in FIGS. 1 to 3, both the inner sash 3 and the outer sash 4 are made of a rectangular double glazing 5 and a synthetic resin that accommodates the peripheral end of the double glazing 5 to form a rectangular shape. It has a frame 6 and. Each stile 6 is an extruded member and has an upper stile 61 and a lower stile 62 arranged above and below the double glazing 5, and a door end stile 63 and a combination stile 64 arranged on the left and right sides of the double glazing 5. , And the ends of the adjacent frames 61, 62, 63, 64 are butted together and welded to form a rectangular shape so that the adjacent frames 61, 62, 63, 64 form a right angle. There is.

The upper stile 61, the lower stile 62, and the door tip stile 63 of each stile 6 have a stile groove 6a recessed on the inner peripheral side at a portion located on the outer peripheral side when the stile body 6 is formed. It is provided along the longitudinal direction, that is, along the in-plane direction of the internal sash 3 and the external sash 4. Further, the combination stile 64 of the inner sash 3 and the outer sash 4 has a fin portion 64a that protrudes to the side facing each other, extends from the door tail side to the door end side, and is provided over the entire length in the vertical direction. A smoke return 65 is provided so that when the inner sash 3 and the outer sash 4 are closed, each fin portion 64a enters between the other fin portion 64a and the combination stile 64. There is. The smoke return 65 of the external obstacle 4 is provided with a stainless steel smoke return reinforcing member 66 on the inner peripheral side thereof.

The upper stile 61 forming the upper ends of the inner sash 3 and the outer sash 4 has a stile hollow portion 61a along the longitudinal direction, and the upper end portion of the double glazing 5 is housed on the inner peripheral side of the stile hollow portion 61a. An inner peripheral protrusion 61c is provided to form the glass accommodating portion 61b together with the ridge 67, and a stile groove 6a is provided on the outer peripheral side of the stile hollow portion 61a. Stainless steel reinforcing members 68 and 69 having a U-shaped cross section are provided in the hollow portion 61a and in the groove 6a over a substantially entire length in the longitudinal direction.

The reinforcing member 68 in the stile groove provided in the stile groove 6a is connected in the stile groove connecting the lower ends of the pair of facing wall portions in the stile groove 68a facing in the prospective direction and the facing wall portions in the stile groove 68a. It has a portion 68b, and is arranged so that the U-shaped open side faces upward.

The reinforcing member 69 in the hollow stile portion provided in the hollow stile portion 61a connects the pair of facing wall portions in the hollow stile portion 69a facing in the vertical direction and the outdoor end of the facing wall portion 69a in the hollow stile portion. It has a connecting portion 69b in the hollow portion of the stile, and is arranged so that the U-shaped open side faces the indoor side.

The reinforcing member 68 in the stile groove and the reinforcing member 69 in the hollow stile portion are such that the connecting portion 68b in the stile groove and the facing wall portion 69a in the upper stile hollow portion are between the hollow portion 61a and the stile groove 6a in the upper stile 61. It is screwed through the part located in. Further, on the facing wall portion 69a in the upper stile hollow portion, a stainless steel glass side reinforcing member 5a provided in the glass accommodating portion 61b and holding the end portion of the double glazing 5 is provided in the stile hollow portion 61a in the upper stile 61. It is screwed via a portion located between the glass accommodating portion 61b and the glass accommodating portion 61b. All the screws used in this embodiment are made of metal.

The reinforcing member 68 in the stile groove is provided with a heated foaming material 7 on both sides of the pair of facing wall portions 68a in the stile groove and the upper surface of the connecting portion 68b in the stile groove. The heated foaming material 7 is provided on both sides of the connecting portion 69b in the hollow portion of the stile and on the lower surface of the facing wall portion 69a in the hollow stile portion on the upper side. Further, the heated foaming material 7 is also provided on the upper surface of the double glazing 5. The lower stile 62, the door tip stile 63, and the combined stile 64 are also provided with metal reinforcing members 68, 69 and a heated foaming material 7, but the same reference numerals are given in the drawings, and the description thereof is omitted. do.

The frame body 2 is composed of a frame material made of four synthetic resin extruded members having the same cross-sectional shape, and is arranged above and below the opening 2a that can be closed by the inner sash 3 and the outer sash 4. The upper frame 21, the lower frame 22, and the vertical frames 23 arranged on the left and right sides of the opening 2a are adjacent to each other so that the adjacent frame members 21, 22, and 23 form a right angle. The ends of the eggplants are butted against each other and welded together to form a rectangular shape.

The upper frame 21 hangs from the upper frame main body 24 as a main body portion having five frame hollow portions 21a, 21b, 21c, 21d, 21e arranged in the prospective direction and along the longitudinal direction, and the indoor edge of the upper frame main body 24. Between the installed inner hanging wall portion 21f, the outer hanging wall portion 21g suspended from the outdoor outer edge of the upper frame main body 24, and the inner hanging wall portion 21f and the outer hanging wall portion 21g. The inner rail 25 and the outer rail 26, which are vertically hung from the upper frame main body 24 and inserted into the stile groove 6a of the upper stile 61 of the inner sash 3 and the outer sash 4, and extend upward from the upper frame main body 24. It has a skeleton fixing portion 21h fixed to the skeleton 8. In the following description, in the upper frame main body 24, the portion connected to the lower side of the five frame hollow portions 21a, 21b, 21c, 21d, 21e in the prospective direction is referred to as the lower surface portion 24a.

In the lower surface portion 24a of the upper frame main body 24, the lower surface is flat between the inner rail 25 and the outer rail 26. In the following description, the five frame hollow portions 21a, 21b, 21c, 21d, 21e of the upper frame 21 are arranged in order from the outdoor side to the outermost hollow portion 21a, the outer hollow portion 21b, the central hollow portion 21c, and the inner hollow portion 21d. , The innermost hollow portion 21e.

The skeleton fixing portion 21h is formed above the inner hollow portion 21d, and is aligned with the skeleton 8 arranged on the indoor side of the skeleton fixing portion 21h. The height of the 21e is formed to be lower than the height of the outdoor side portion from the outermost hollow portion 21a to the inner hollow portion 21d with respect to the skeleton fixing portion 21h. In the following description, the upper surface is a portion that faces the lower surface portion 24a in the vertical direction and is connected from the outermost hollow portion 21a to the upper side of the outdoor side portion from the skeleton fixing portion 21h in the inner hollow portion 21d in the prospective direction. It is referred to as a part 24b.

The inner rail 25 and the outer rail 26 have rail hollow portions 25a and 26a as first hollow portions along the longitudinal direction, and the vertical cross-sectional shape is a vertically long rectangular shape. The inner rail 25 is provided below the inner hollow portion 21d, and the outer rail 26 is provided below the outer hollow portion 21b. Inside the rail hollow portions 25a and 26a of the inner rail 25 and the outer rail 26, stainless steel rail reinforcing members 9 are provided over the entire length of the inner rail 25 and the outer rail 26.

The rail reinforcing member 9 is vertically installed downward from the upper plate portion 9a of the inner rail 25 and the outer rail 26 facing the upper surfaces of the rail hollow portions 25a and 26a and one edge of the upper plate portion 9a in the prospective direction. The vertical plate portion 9b and the inclined plate portion 9c forming an inclined surface facing downward from the lower end of the vertical plate portion 9b and toward the side where the upper plate portion 9a is provided with respect to the vertical plate portion 9b. Have.

As shown in FIG. 4, a plurality of (five in this embodiment) stainless steel upper frame fixing reinforcing members 10 are provided on the upper frame 21 at appropriate intervals in the left-right direction of the upper frame 21. Has been done. The upper frame fixing reinforcing member 10 has an L-shaped cross section and is arranged so as to be overlapped on a vertical plate portion 10a which is arranged so as to be overlapped on the outdoor side of the skeleton fixing portion 21h and an upper surface portion 24b of the upper frame main body 24. It has a water plate portion 10b and. The vertical plate portion 10a is fixed to the skeleton 8 together with the skeleton fixing portion 21h by a screw that enters from the outdoor side, and the horizontal plate portion 10b is a stainless steel outdoor reinforcing member 11 provided in the outer hollow portion 21b. It is screwed to the indoor side reinforcing member 12 made of an extruded aluminum material provided in the inner hollow portion 21d. Here, the outer hollow portion 21b and the inner hollow portion 21d correspond to the second hollow portion, and the upper frame fixing reinforcing member 10 is the upper part of the indoor side reinforcing member 12 as the main body reinforcing member on the inner rail 25 side and the skeleton 8. Corresponds to a skeleton connecting member that connects and.

The outdoor side reinforcing member 11 has a pair of facing surface portions 11a facing each other in close proximity to the upper surface portion 24b and the lower surface portion 24a located above and below the outer hollow portion 21b, and the indoor side edges of the pair of facing surface portions 11a in the vertical direction. It has an outdoor connecting portion 11b connected to the above, and has a U-shaped cross section. The screw to which the upper frame fixing reinforcing member 10 is fixed is screwed into the facing surface portion 11a on the upper side of the outdoor reinforcing member 11, and the rail reinforcing member 9 in the outer rail 26 is attached to the outer rail on the facing surface portion 11a on the lower side. A screw penetrating from the lower surface of 26 is screwed. Further, the outdoor reinforcing member 11 is provided with a heated foaming material 7 on the outdoor surface of the outdoor connecting portion 11b. Here, the outdoor reinforcing member 11 corresponds to the main body reinforcing member on the outer rail 26 side.

The indoor side reinforcing member 12 has a rectangular reinforcing portion 12a having a substantially rectangular shape at a portion where the height of the inner hollow portion 21d is high on the outdoor side according to the shape of the inner hollow portion 21d, and from the lower end of the rectangular reinforcing portion 12a. It has an indoor extending portion 12b extending to the indoor side and an upward extending portion 12c rising upward from the indoor extending portion 12b on the indoor side. The screw to which the upper frame fixing reinforcing member 10 is fixed is screwed into the upper portion of the rectangular reinforcing portion 12a, and the rail reinforcing member 9 in the inner rail 25 penetrates the indoor extending portion 12b from the lower surface of the inner rail 25. The screw is screwed. Further, the indoor side reinforcing member 12 is provided with a heated foaming material 7 on the outdoor side surface of the rectangular reinforcing portion 12a. Here, the indoor side reinforcing member 12 corresponds to the main body reinforcing member on the inner rail 25 side.

In the central hollow portion 21c provided between the inner hollow portion 21d on the inner rail 25 and the outer hollow portion 21b on the outer rail 26, an intermediate reinforcing member 13 made of an extruded aluminum member is provided on the upper frame 21. It is provided over the entire length of. The cross-sectional shape of the central hollow portion 21c provided with the intermediate reinforcing member 13 is substantially rectangular.

As shown in FIG. 3, the intermediate reinforcing member 13 includes a lower facing portion 13a facing the lower surface portion 24a, an outdoor wall portion 13b extending upward from the outdoor outer edge of the lower facing portion 13a to form a wall portion, and the like. The upper facing portion 13c provided on the upper end side of the outdoor wall portion 13b and facing the upper surface portion 24b forming the central hollow portion 21c at a slight interval, and the upper facing portion 13c projecting upward from the indoor edge of the upper facing portion 13c. It has a protruding piece 13d. The portion of the outdoor wall portion 13b protruding above the upper facing portion 13c and the protruding piece 13d are formed so as to have substantially the same amount of protrusion and face each other in the prospective direction. The portion of the outdoor wall portion 13b protruding above the upper facing portion 13c, the upper facing portion 13c, and the protruding piece 13d form a groove portion 13e along the longitudinal direction. A heated foaming material 7 is provided in the groove portion 13e.

In the intermediate reinforcing member 13, in a state where the lower facing portion 13a is arranged on the lower surface portion 24a of the central hollow portion 21c, both end portions in the left-right direction of the lower facing portion 13a are formed by screws that enter from below the lower surface portion 24a. It is fixed to the lower surface portion 24a.

When the inner rail 3 and the outer rail 4 are built on the frame body 2 and the inner rail 25 and the outer rail 26 are inserted into the stile groove 6a, the reinforcing member 68 in the stile groove provided in the stile groove 6a is provided. The upper end 68c of the rail is located above the lower end 9d of the rail reinforcing member 9 provided in the rail hollow portions 25a and 26a of the inner rail 25 and the outer rail 26.

Above the combined portion of the inner sash 3 and the outer sash 4, between the inner rail 25 and the outer rail 26, facing the lower surface portion 24a and extending over the outer hollow portion 21b and the inner hollow portion 21d. The arranged reinforcing member connecting member 15 is provided. The reinforcing member connecting member 15 is a rectangle of the lower facing surface portion 11a, which is the lower part of the outdoor reinforcing member 11 provided in the outer hollow portion 21b, and the indoor reinforcing member 12 provided in the inner hollow portion 21d. It is screwed to the lower part of the reinforcing portion 12a via the lower surface portion 24a.

Above the inner sash 3 and the outer sash 4 built by the so-called kendon method, as shown in FIGS. 5 and 6, the upper ends of the inner sash 3 and the outer sash 4 and the inner rail 25 and the outer side of the upper frame 21. A wind blocking member 14 made of a soft synthetic resin that closes the space formed between the lower surface portion 24a and the rail 26, and a heated foaming material 7 are provided. The wind blocking member 14 is arranged above the mating portion on the most door end side of the outer sash 4, and the outdoor reinforcing member 11 and the chamber are provided by the reinforcing member connecting member 15 on the door end side of the wind blocking member 14. The inner reinforcing member 12 is connected, and the heat foaming material 7 is provided between the wind blocking member 14 and the reinforcing member connecting member 15.

According to the fitting 1 of the present embodiment, the outdoor side reinforcing member 11 and the indoor side reinforcing member 12 are both connected to the skeleton 8 by the upper frame fixing reinforcing member 10 on the upper side and by the reinforcing member connecting member 15 on the lower side. Since they are connected to each other, even if the upper frame 21 is exposed to a flame due to a fire or the like and the upper frame 21 is melted, it is unlikely that the upper frame 21 is warped so as to raise the outdoor end portion. Therefore, the state in which the inner rail 25 is inserted into the stile groove 6a of the inner sash 3 and the state in which the outer rail 26 is inserted into the stile groove 6a of the outer sash 4 are maintained, and the inner sash 3 and the outer sash 4 fall off. Since it is difficult, it is possible to provide a fitting 1 having high fire resistance.

Further, as shown in FIG. 7, when the fitting 1 is a so-called semi-external type, the outer wall 16 and the intermediate reinforcing member 13 are provided on the outdoor side of the indoor side reinforcing member 12, so that due to a fire or the like. Even when exposed to a flame, the upper frame 21 on the indoor side of the central hollow portion 21c is less likely to melt due to the foaming of the heated foaming material 7 provided on the intermediate reinforcing member 13. Therefore, the upper surface portion 24b to which the upper frame fixing reinforcing member 10 and the indoor side reinforcing member 12 are connected and the lower surface portion 24a to which the indoor side reinforcing member 12 and the reinforcing member connecting member 15 are connected are not melted. By remaining, there is no loosening in tightening by the screw connecting the upper frame fixing reinforcing member 10 and the indoor side reinforcing member 12 and the screw connecting the indoor side reinforcing member 12 and the reinforcing member connecting member 15. Therefore, the displacement of the outer rail 26 connected to the outdoor reinforcing member 11 connected to the reinforcing member connecting member 15 and the outer rail 26 connected to the outdoor reinforcing member 11 on the rail reinforcing member 9 side is shown in FIG. It is possible to keep the size smaller than when the member 15 is not provided.

In the above embodiment, an example in which the upper frame fixing reinforcing member 10 is connected to both the outdoor side reinforcing member 11 and the indoor side reinforcing member 12 has been described, but as described above, the chamber is formed from the central hollow portion 21c. As long as the inner upper frame 21 is arranged on the indoor side of the outer wall, the upper frame fixing reinforcing member 10 may be connected only to the indoor reinforcing member 12, as shown in FIG. .. In this case, since the horizontal plate portion 10b of the upper frame fixing reinforcing member 10 fits inside the outer wall 16, construction is easy, and the horizontal plate portion 10b does not protrude outward from the outer wall 16 and is not visible from the outside. It is also excellent in sex.

Further, on the central side in the left-right direction of the fitting 1, above the combined portion of the internal sash 3 and the external sash 4, which is most easily deformed when heated by a flame or the like, the indoor side reinforcing member 12 and Since the outdoor reinforcing member 11 is connected to the reinforcing member connecting member 15, it is possible to more efficiently suppress the deformation of the upper frame 21. Further, since the heated foaming material 7 is provided between the wind blocking member 14 provided on the door tail side of the outer sash 4 which is the outdoor side of the reinforcing member connecting member 15, the wind blocking member 14 melts. However, the indoor side and the outdoor side are separated by the heated foam material 7. Therefore, since the lower surface portion 24a of the upper frame 21 interposed between the reinforcing member connecting member 15 and the indoor side reinforcing member 12 is difficult to melt, the outdoor reinforcing member 11 and the outside connected to the reinforcing member connecting member 15 and the outside It is possible to suppress the displacement of the rail 26 on the rail reinforcing member 9 side to a smaller size.

It should be noted that the above embodiment is for facilitating the understanding of the present invention, and is not for limiting the interpretation of the present invention. It goes without saying that the present invention can be modified and improved without departing from the spirit thereof, and the present invention includes an equivalent thereof.

1 Joinery, 2 Frames, 3 Internal Shoji, 4 External Shoji, 8 Frames, 9 Rail Reinforcing Members,
10 Upper frame fixing reinforcing member, 11 Outdoor reinforcing member, 12 Indoor side reinforcing member,
15 Reinforcing member connecting member, 21 upper frame, 21b outer hollow part, 21d inner hollow part,
24 Upper frame body, 25 inner rail, 25a rail hollow part, 26 outer rail,
26a Rail hollow part,

Claims (3)

An outer rail that is inserted into the upper end of the shoji and has a first hollow portion along the in-plane direction of the shoji to guide the shoji, and a second hollow provided on the outer rail and along the in-plane direction. A synthetic resin upper frame having a main body having a part,
A metal rail reinforcing member provided in the first hollow portion and
The metal main body reinforcing member provided in the second hollow portion and
Have,
The main body reinforcing member is connected to the rail reinforcing member from under the outer rail by a screw penetrating the first hollow portion.
The main body reinforcing member has a pair of facing surfaces facing each other in the vertical direction and an outdoor connecting portion for connecting the indoor edges of the pair of facing portions in the vertical direction, and has a U-shaped cross section. ,
The screw is screwed into the facing surface portion on the lower side.
A fitting characterized in that the outdoor connecting portion is provided with a heated foaming material on the surface on the outdoor side . The fitting according to claim 1, wherein the fitting is
The upper end of the shoji has a stile groove into which the outer rail is inserted and recessed downward, and a stile hollow portion under the stile groove.
Inside the stile hollow portion, a metal having a pair of stile hollow portion inner facing walls facing each other in the vertical direction and a stile hollow portion inner connecting portion connecting the outdoor ends of the pair of stile hollow portion inner facing wall portions. A reinforcing member inside the hollow part of the stile is provided.
A fitting characterized in that a heated foaming material is provided on both the outdoor side and the indoor side of the connecting portion inside the hollow portion of the stile. The fitting according to claim 1 or 2 , wherein the fitting is
The main body reinforcing member is a fitting characterized in that it is connected to a skeleton connecting member fixed to the skeleton.

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