Section for Mounting a Curtain Wall

1. Field of the Invention

This invention relates to sections for building, and more particularly to a section for building which is used, for example, as a vertical frame member and a horizontal frame member for a curtain wall.

2. Description of the Prior Art

A seal member such as a packing band is mounted between the vertical frame members, a connecting member mounted between the horizontal frame members, and a flashing plate mounted on the lower end of the horizontal frame member.

Therefore, the vertical frame members and horizontal frame members for the curtain wall must have different shapes, and if the number of sections or the number of parts increases, an inconvenience results.

The present invention has been achieved in view of the above-described circumstances. It is an aspect of the present invention to provide a section for building in which a section body is formed with a plurality of differently directed mounting recesses for connecting other members so as to also serve as, for example, a vertical frame member and a horizontal frame member for a curtain wall.

To achieve the foregoing aspect, in accordance with the present invention, there is provided with a section for building comprising a substantially rectangular hollow lengthy section body, a mounting piece projected from a relatively shorter side wall of the section body facng the outside of the building, and a plurality of differently directed mounting recess for mounting other members, at least one of which being first mounting recess formed perpendicularly to a plane including the mounting piece and extending in the longitudinal direction of the section body and others of which being second and third mounting recesses formed in parallel with the plane.

Further, in accordance with the present invention, there is provided with a section for building characterized in that said mounting piece is integrally formed on a relatively shorter side wall of the section body facing the outside of the building.

Further, in accordance with the present invention, there is provided with a section for building characterized in that said first mounting recess is relatively wide and deep, while said second and said third recesses are relatively narrow and shallow.

Still further, in accordance with the present invention, there is provided with a section for building characterized in that said second and third recesses are adjacent to each other.

The above and many other advantages, features and additional objects of the present invention will become manifest to those versed in the art upon making reference to the following detailed description and accompanying drawings in which preferred structural embodiments incorporating the principles of the present invention are shown by way of illustrative example.

FIG. 1 is a front view showing a curtain wall;

FIG. 2 is a sectional view of a section;

FIGS. 3 and 4 are sectional views taken along line III--III and line IV--IV, respectively, of FIG. 1;

FIG. 5 is a detailed view of a V portion of FIG. 1;

FIG. 6 is a sectional view taken on line VI--VI of FIG. 5,

FIGS. 7 and 8 show another embodiments, FIG. 7 being a front view of a connecting portion between lower frames;

and FIG. 8 is a sectional view taken on line VIII--VIII of FIG. 7.

An embodiment of the present invention will now be described with reference to the drawings.

FIG. 1 is a front view showing a curtain wall, which has a construction wherein unit curtain wall units Aa, Ab, Ac, Ad are mounted in plural number at top and bottom and left and right.

Each of the unit curtain wall units has a shape in which a pair of vertical frame members 1a, 1b, an upper horizontal member 2a, a pair of intermediate horizontal members 2m.sub.1, 2m.sub.2 and and a lower horizontal member 2c are connected in the form of a substantially square frame.

A section for constituting the vertical frame members 1a, 1b and the horizontal members 2a, 2m.sub.1, 2m.sub.2, 2c has a shape as shown in FIG. 2.

That is, a section body 14 in the form of a hollow lengthy member is composed of both longer side walls 10, 11 and both shorter side walls 12, 13. One of the shorter side wall 12 is formed with a mounting piece 15, while the other shorter side 13 is formed with a longitudinally continuous hollow portion 16 and a recess 17 open towards the side wall 10, the mounting piece 15 having a Z-shaped side wall 15a formed with a first large mounting recess 18 and an end wall 15b perpendicular to the Z-shaped side wall 15a being formed with second and third small mounting recesses 19, 20, the end wall 15b being formed with a shoulder 21, another side wall 15c and the shorter side wall 12 of the section body 14 constituting a shoulder 22, said shorter side wall 12 being integrally formed with a pair of locking projections 23 and 24.

In case of using as the vertical frame member, the section is mounted so that one side wall 10 is directed outwardly as shown in FIG. 3 which shows the vertical frame members 1a, 1b adjacent to left and right each other, and a seal material 30 such as a packing band is mounted between the first large mounting recesses 18, 18 of the vertical frame members 1, 1 of the unit curtain walls Aa, Ab adjacent to top and bottom and left and right to connect a pair of vertical frame members 1a, 1b in a lateral direction.

In FIG. 3, a vertical batten 32 is mounted on the end wall 15b in the mounting piece 15 of each vertical frame member 1a or 1b by means of a screw 33 through a connecting member 31 formed of a heat insulating material, a panel 34 is held and mounted between an outer side wall 32a of the vertical batten 32 and the shorter side wall 12 of the vertical frame member 1a, the vertical batten 32 having the outer side wall 32a integrally formed with a bended wall 32b bended into a hook-shape to form a large recess 35, the bended wall 32b being formed with fourth and fifth small mounting recesses 36 and 37 opposed to the second and third small mounting recesses 19 and 20 of the mounting piece 15, a pair of connecting plates 38, 38 are fitted and mounted on the fourth and fifth small mounting recesses 36, 37 and the second and third small mounting recesses 19 and 20, a seal material 39 such as a packing band is fitted and mounted between the large recesses 35, 35 of the vertical battens 32, 32 opposed to each other, and a seal material 41 such as a packing band is fitted and mounted between the large recesses 17 and 17 of the vertical frame member 1 through a fitting 40.

In case of using the section as the horizontal frame member, as shown in FIG. 4 the section is mounted so that the side wall 10 of the section is upwardly directed, the lower horizontal frame member 2c of the upper unit curtain wall unit Ac is mounted so that the longer side wall 10 is downwardly directed, and upper and lower ends of the connecting member 50 are fitted and mounted between the first large mounting recesses 18 and 18 opposed to each other through spacer members 51, 51.

That is, the connecting member 50 is provided with an upper wall 52, a lower wall 53, and inner and outer vertical walls 54, 55, the inner vertical wall 54 being continuously formed with a pair of upper and lower projections 56 and 57, the upper wall 52 being integrally formed with a hook 58, the outer vertical wall 55 being extended downwardly and formed at its end with a recess 59, the upper and lower projections 56, 57 being fitted and mounted on the first mounting recesses 18 and 18 through the spacer members 51, 51.

A horizontal batten 61 is mounted on the end wall 15b of the mounting piece 15 of each horizontal frame member by means of a screw 62 through a connecting member 60 formed of a heat insulating material in a manner similar to that as previously described, first and second small grooves 64 and 65 opposed to the second and third small mounting recesses 19 and 20 are formed in a bended piece 63 of the horizontal batten 61, an upper connecting plate 66 and a lower connecting plate 67 are fitted and mounted over the second and third small mounting recesses 19, 20 and the second small groove 65 and over the second mounting recess 19 and the first small groove 64, respectively, the hook 58 of the connecting member 50 being fitted and connected to the first small groove 64, and upper and lower end edges of the panel 34 are held and mounted through packing materials 69, 69 mounted between the pair of locking pieces 23 and 24 formed in the shorter side wall 12 of the horizontal frame member 2 and in a recess 68 of the horizontal batten 61.

FIG. 5 is a detailed view of a V portion of FIG. 1. Flashing plates 70 are respectively mounted on the lower horizontal members 2c and 2d (that is, lower frames) of the unit curtain wall units Aa, Ab adjacent to left and right at the lowermost position, and a back plate 71 is mounted over and between the flashing plates 70, 70 adjacent to each other.

In FIG. 6, the flashing plate 70 is provided with a mounting vertical piece 70a, an inclined piece 70b and a hanging piece 70c, the inclined piece 70b being integrally formed with a hook 72, the back plate 71 being provided with a mounting vertical piece 71a, an inclined piece 71b and a hanging piece 71c, each of the mounting vertical pieces 70a and 71a being fitted mounted within the first large mounting recess 18 through an elastic holding member 73, the inclined piece 71b of the back plate 71 coming into abutment with an inclined surface 74a of concrete 74 and an inclined piece 70b of the flashing plate 70 being placed in abutment therewith, the hook 72 being fitted and mounted on the second small mounting recess 19.

As described above, one and the same section can be utilized as the vertical frame member and horizontal frame member of the curtain wall unit, and the seal material such as a packing band, connecting member, connecting plate and flashing plates can be mounted.

It should be noted that as shown in FIGS. 7 and 8, the mounting piece 15 can be formed with a third small mounting recess 20a, the connecting plate 66 can be mounted on the third small mounting recess 20a, and a flashing cover 75 formed of synthetic resin or the like can be fitted and mounted on the second small mounting recess 20.

While in the above-described embodiment, the section has been described as the vertical frame member and horizontal frame member for the curtain wall, it should be understood that it can be used as the vertical frame member and horizontal frame member for a window frame, a shoji screen frame (a paper sliding door) or the like.