JP3075400B2 - Aluminum Kasagi and Method of Manufacturing Aluminum Kasagi - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shelter for waterproofing by laying on a parapet formed on a rooftop or a balcony of a building, and more particularly to an aluminum shelter used for an outer corner, an inner corner, or a curved surface. The present invention relates to a method of manufacturing the aluminum cap.

[0002]

2. Description of the Related Art Conventionally, as a structure for preventing infiltration of rainwater from a parapet formed on a rooftop of a building, a balcony, or the like, there is generally a waterproof structure in which an inverted groove-shaped cross section is laid across the parapet. .

[0003] In other words, the caps used for this type of waterproof structure are:
The outer and inner edges of the top plate are composed of vertical plates that face downward.However, in the case of a corner sash, the sash is bent at a predetermined curvature in the direction in which the sash extends. A difference in expansion and contraction in the width direction occurs, and if the vertical plate is large in width, integral bending cannot be performed.

[0004] Therefore, as in the technique disclosed in Japanese Patent Application Laid-Open Nos. 9-111981 and 9-302875, the top plate and the inner and outer vertical plates are formed by separate members, respectively, and the members are joined to each other. The part is spot welded in the former,
In the latter case, laser beam welding has been employed, and in the case of the conventional technology disclosed in the latter case, a technology has been adopted in which the two members are integrally welded by argon welding.

[0005]

However, since these conventional integrated techniques are so-called metal welding and generate heat, when an aluminum sheet material and an extruded material which have been painted in advance are welded, the welded portion is formed. Discoloration was caused, and not only was the finish not beautiful, but also welding defects remained and were unsightly.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and in particular, in a metal cap using an aluminum plate and an extruded material, there is no discoloration of an assembling portion and a welding process capable of obtaining a reliable watertightness. It is an object of the present invention to provide an aluminum cap having a new assembly structure independent of the above, and to propose a new manufacturing method of the aluminum cap.

[0007]

SUMMARY OF THE INVENTION An aluminum cap according to the present invention has a small width outer fitting edge and an inner fitting edge at an outer edge and an inner edge of an arc-shaped plate material having a predetermined width and having an arc center on an extension surface of the plate surface. A top plate made of an aluminum plate material in which each of the fitting edges is bent downward and integrally bent, and a fitting groove for fitting the outer fitting edge of the top plate inside the upper edge; An outer vertical plate made of an extruded aluminum body having a curvature and a length corresponding to the outer edge of the outer vertical plate, and a fitting groove for fitting an inner fitting edge of the top plate outside an upper edge,
An inner vertical plate made of an extruded aluminum body having a curvature and a length corresponding to an inner edge portion of the top plate, and a fitting groove of the outer vertical plate and a fitting groove of the inner vertical plate. The gist of the invention is that the fitting edge and the inner fitting edge are each press-fitted and are integrally assembled.

[0008] Further, the outer and inner edges of the top plate have bulging ridges protruding in the direction in which the surface of the top plate extends, respectively, and the fitting groove of the outer vertical plate and the fitting of the inner vertical plate are formed. The gist of the invention is to cover the edge of the mating groove.

In the method for manufacturing an aluminum shed according to the present invention, the aluminum plate is cut out as an arc-shaped plate having a predetermined width having an arc center on an extension surface of the plate surface, and the outer edge and the inner edge of the arc-shaped plate are respectively separated. The top plate is constructed by bending downward with a drawing bending machine to bend and form the narrow outer fitting edge and the inner fitting edge integrally with each other to form a top plate. After forming the aluminum strip-shaped extruded body so as to form a fitting groove to be fitted with the fitting edge, one of the strip-shaped extruded bodies corresponds to the outer edge of the top plate, and is fitted. The groove constitutes an outer vertical plate having a curvature and a length located inside the curvature, another one corresponding to the inner edge portion of the top plate, and a fitting groove having a fitting groove located outside the curvature. Constitute the inner vertical plate with the outer vertical plate, the fitting groove of the outer vertical plate and the fitting groove of the inner vertical plate. It is an Abstract that integrating assembled by press-fitting respectively the outer fitting edge and an inner fitting edge of the serial top plate.

Further, when the outer fitting edge and the inner fitting edge of the top plate are press-fitted into the fitting groove of the outer vertical plate and the fitting groove of the inner vertical plate, respectively, and are integrally assembled, members to be fitted to each other. The members may be bonded by interposing an adhesive therebetween, and the mating members may be caulked by punching.

Further, when forming at least one of the outer fitting edge and the inner fitting edge of the top plate, a number of V-shaped notches notched in parallel in the edge direction from the plate edge are cut in advance to form the outer fitting edge or the inner fitting edge. Alternatively, the outer fitting edge and the inner fitting edge may be formed.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will now be described with reference to the drawings. Reference numeral 1 denotes a top plate cut out from a previously colored aluminum plate and bent.

The top plate 1 is made of an aluminum plate and an arc-shaped plate 11 having a predetermined width and having an arc center on an extension of the plate surface.
The outer edge portion (the edge portion shown by the two-dot chain line 12) and the inner edge portion (the edge portion shown by the two-dot chain line 13) of the arc-shaped plate material 11 are respectively turned downward by an edge drawing bending machine (side bender) not shown. Bend and narrow (about 15m
m), the outer fitting edge 14 and the inner fitting edge 15 are each integrally formed by bending.

If necessary at the time of this bending, a large number of V-shaped notches 16, 16... Arranged in advance in the edge direction are cut out at the outer edge or the inner edge of the arc-shaped plate material 11 (see arrow A). You can also put it.

Further, at the time of the above-mentioned bending process, outer strips 17 and 18 protruding from the outer edge and the inner edge of the top plate 1 in the direction in which the surface of the top plate 1 extends are respectively bulged to form an outer vertical plate described later. 2 fitting groove 21 and fitting groove 31 of inner vertical plate 3
Is bent so as to cover the edges 22 and 32 of FIG.

Reference numeral 2 denotes an outer vertical plate made of an aluminum strip-like extruded body which forms a fitting groove 21 for fitting the outer fitting edge 14 of the top plate 1 inside the upper edge. . The outer vertical plate 2 is formed by bending the strip-shaped extruded body so that it corresponds to the two-dot chain line 12 at the outer edge of the top plate 1 and the fitting groove 21 is located inside the curvature. This is post-processed by a bending machine (bender) to have the same length as the dashed line 12.

At the time of extrusion molding, the outer vertical plate 2 has an edge 22
A fitting groove 21 is formed at the inside of the fitting groove 21 so that the outer fitting edge 14 can be press-fitted, and a groove edge 23 bent inward is formed at an inner groove edge of the fitting groove 21. A locking rib 24 is formed on the inside of the lower end of the outer vertical plate 2.

Reference numeral 3 designates an inner vertical plate made of an aluminum strip-like extruded body which forms a fitting groove 31 for fitting with the inner fitting edge 15 of the top plate 1 outside the upper edge. . The inner vertical plate 3 is formed by bending the strip-shaped extruded body so that it corresponds to the two-dot chain line 13 at the outer edge of the top plate 1 and the fitting groove 31 is located outside the curvature. This is post-processed by a bending machine to have the same length as the dashed line 13.

At the time of extrusion molding, the edge 32
A fitting groove 31 is formed at the inside of the fitting groove 31 so that the inner fitting edge 15 can be press-fitted, and a groove edge 33 bent inward is formed at an inner groove edge of the fitting groove 31. A locking rib 34 is formed inside the lower end side of the outer vertical plate 3.

The top plate 1 is formed by press-fitting the outer fitting edge 14 and the inner fitting edge 15 of the top plate 1 into the fitting groove 21 of the outer vertical plate 2 and the fitting groove 31 of the inner vertical plate 3, respectively. At the time of assembling, the fitting grooves 21 and 31 are filled with a weather-resistant adhesive (not shown) such as an epoxy resin-based adhesive.
The outer fitting edge 14 and the inner fitting edge 15 are press-fitted, solidified and integrated to form a watertight structure.

In some cases, the outer fitting edge 14 and the inner fitting edge 15 of the top plate 1 are press-fitted into the fitting groove 21 of the outer vertical plate 2 and the fitting groove 31 of the inner vertical plate 3 to be integrally assembled. In this case, after the press-fitting, the members to be fitted with each other can be caulked and fixed by forming the striking chamber 4 to secure the integration.

As shown in FIG. 5, the aluminum capping manufactured and constructed by the above-mentioned method is laid on the upper surface of the parapet 5 via a capping bracket 51 to remove rainwater that enters from the end face of the parapet 5. Waterproof.

[0023]

As described above, according to the aluminum cap and the method for manufacturing the aluminum cap according to the present invention, it is possible to assemble a molded article without heating, and therefore, a pre-colored aluminum material is used. The problem of discoloration due to heat is eliminated even if
Since there is no step of integration by welding, there is no need for skilled welding techniques, and it is possible to provide a product without welding roots. The effect is extremely large.

[Brief description of the drawings]

FIG. 1 is a partially cutaway perspective view of an assembled aluminum cap, showing an aluminum cap and an embodiment of a method of manufacturing the aluminum cap according to the present invention.

FIG. 2 is an enlarged sectional view of the main part.

FIG. 3 is an exploded view of FIG. 2;

FIGS. 4 (a), (b) and (c) are explanatory views each showing a manufacturing process of an aluminum cap.

FIG. 5 is a schematic sectional view showing a construction state of an aluminum cap.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 top plate 11 arc-shaped plate material 14 outer fitting edge 15 inner fitting edge 16 V-shaped notch 17 circumferential strip 18 circumferential strip 2 outer vertical plate 21 fitting groove 22 edge 23 groove edge 24 locking rib 3 inner vertical plate 31 Fitting groove 32 Edge 33 Groove 34 Locking rib 4 Hammering 5 Parapet 51 Kasagi mounting bracket

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int. Cl. ⁷ , DB name) E04D 13/15 301 B21D 53/00 B21D 39/03

Claims (8)

(57) [Claims] 1. An outer edge portion and an inner edge portion of an arc-shaped plate material having a predetermined width and having an arc center on an extension surface of the plate surface, and a narrow outer fitting edge and an inner fitting edge are respectively bent downward and integrally formed. A top plate made of an aluminum plate material which is bent in a bent shape, a fitting groove for fitting an outer fitting edge of the top plate inside the upper edge, and a curvature and a length corresponding to the outer edge portion of the top plate. An outer vertical plate made of an extruded aluminum body, and a fitting groove for fitting an inner fitting edge of the top plate outside the upper edge, and having a curvature and a length corresponding to the inner edge of the top plate. An inner vertical plate made of an extruded aluminum body, and an outer fitting edge and an inner fitting edge of the top plate are press-fitted into the fitting groove of the outer vertical plate and the fitting groove of the inner vertical plate, respectively, and integrated assembly Aluminum cap that has a unique structure. 2. When the outer fitting edge and the inner fitting edge of the top plate are respectively press-fitted into the fitting groove of the outer vertical plate and the fitting groove of the inner vertical plate to assemble and assemble integrally, between the mating members. 2. The aluminum cap of claim 1, wherein an adhesive is interposed between the aluminum cover and the cover. 3. When the outer fitting edge and the inner fitting edge of the top plate are press-fitted into the fitting groove of the outer vertical plate and the fitting groove of the inner vertical plate, respectively, and are integrally assembled, the members which are mated to each other are mutually fitted. 3. The aluminum cap of claim 1 or 2, wherein the caulking structure is formed by hitting. 4. A structure in which peripheral ridges protruding in the direction in which the surface of the top plate extends are respectively bulged at the outer edge and the inner edge of the top plate, and the fitting groove of the outer vertical plate and the fitting of the inner vertical plate are provided. 4. The aluminum cap according to claim 1, wherein the edge of the groove is covered. 5. 5. An aluminum plate material is cut out as an arc-shaped plate material having a predetermined width and having an arc center on an extension surface of the plate surface, and an outer edge portion and an inner edge portion of the arc-shaped plate material are respectively bent downward by a drawing bending machine. A top plate is formed by processing and forming a narrow outer fitting edge and an inner fitting edge integrally with each other to form a top plate, and a fitting groove fitted to one side of the upper edge with the outer fitting edge or the inner fitting edge of the top plate. After forming the aluminum strip-shaped extruded body so as to form an aluminum strip-shaped extruded body, one of the strip-shaped extruded bodies corresponds to the outer edge of the top plate, and the curvature is such that the fitting groove is located inside the curvature. And an outer vertical plate having a length, and another inner vertical plate having a curvature and a length corresponding to the inner edge portion of the top plate, and a fitting groove positioned outside the curvature. The outer fitting edge and the inner fitting edge of the top plate are pressed into the fitting groove of the outer vertical plate and the fitting groove of the inner vertical plate, respectively. Method for producing aluminum of coping, characterized in that integrated assembled with. 6. When the outer fitting edge and the inner fitting edge of the top plate are press-fitted into the fitting groove of the outer vertical plate and the fitting groove of the inner vertical plate respectively to assemble and assemble integrally, a space between the mating members is set. 6. The method for producing an aluminum cap tree according to claim 5, wherein the adhesive member is bonded with an adhesive. 7. When the outer fitting edge and the inner fitting edge of the top plate are press-fitted into the fitting groove of the outer vertical plate and the fitting groove of the inner vertical plate, respectively, and they are integrally assembled, the members that are mated to each other are mutually fitted. 7. The method for manufacturing an aluminum cap tree according to claim 5 or 6, wherein caulking is performed by hammering. 8. When forming at least one of the outer fitting edge and the inner fitting edge of the top plate, a number of V-shaped notches notched in parallel in the edge direction from the plate edge are cut out in advance to form the outer fitting edge and / or the inner fitting edge. The method according to claim 5, 6 or 7, wherein a fitting edge is formed.