JP5269666B2 - Method of joining metal plates in metal roof and joining structure thereof - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem that a conventional method for joining a metal plate of a metal roof sometimes causes the loosening of a seam-fastened portion with a lapse of time and the intrusion of rainwater from this loosened portion. <P>SOLUTION: In a method and a structure for joining the metal plate of the metal roof, a seam portion 10 is formed by seam-fastening ends of the first and second coated metal plates 3 and 4, and heated so that a coating 5 of the seam portion 10 can be fusion-bonded to a plate surface of the a seam portion 10 facing the coating 5 and a coating 5 applied onto the plate surface of the seam portion 10 facing the coating 5. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  The present invention relates to a method for joining metal plates in a metal roof and a joining structure thereof, and in particular, by forming the shell portion by fastening the ends of the first and second metal plates to which the coating is applied, By heating the seam, the coating of the seam is applied to the surface of the seam facing the coating and the surface of the seam facing the coating. The present invention relates to a novel improvement for making it possible to bond metal plates more closely and to prevent rainwater from entering for a longer period by being fused to at least one of them.

  Conventionally used metal plate joining methods for this type of metal roof are shown in the following Non-Patent Document 1, Patent Document 1, and the like. That is, conventionally, as shown in Non-Patent Document 1, a method of joining the first and second metal plates together by fastening the ends of the first and second metal plates together, or Patent Document 1 As shown in Fig. 2, a method is adopted in which the first and second metal plates are joined to each other by a fastening member and the fastening portion is covered with a waterproof member.

Chapter 9 of "Construction and Management of Metal Roofs-Special Edition" (Japan Metal Roof Association, January 2003 (3rd edition))

JP-A-11-93338

In the metal plate joining method as described above, loosening occurs in the tightening portion as time passes, and rainwater may enter from the portion where the loosening occurs. In addition, it is conceivable to provide packing at the seam tightening portion, but the packing also deteriorates with the passage of time, and also allows intrusion of rainwater.
Moreover, in the joining method of the metal plate which uses a fastening member and a waterproof member, a waterproof member may drop | omit from a fastening part, and rainwater will permeate from a fastening part if a waterproof member falls.

  The present invention has been made in order to solve the above-described problems, and its object is to join metal plates in a metal roof that can more closely join metal plates and prevent infiltration of rainwater for a longer period of time. It is to provide a method and a joining structure thereof.

The method for joining metal plates in a metal roof according to the present invention is a method for joining metal plates in a metal roof for joining the first and second metal plates on the roof of a building, wherein the coating is applied. By fastening the ends of the first and second metal plates to each other to form a hull engaged with a hanger provided on the roof, and heating the hull, The coating portion of the shell portion is fused to at least one of the plate surface of the shell portion facing the coating paint and the coating portion applied to the plate surface of the shell portion facing the coating paint. look including a step of, the coating paint is applied to the plate surfaces of the first and second metal plates so as to face the plate surface of the retaining clips, upon heating the goby portion, wherein The coating paint is fused to the plate surface of the suspension That.
Further, in the step of forming the helix, the first and second raised portions are formed by bending the end portions of the first and second metal plates along the suspension so as to sandwich the suspension. Bending the tip of the second raised portion into a U-shaped cross-section so as to surround the tip of the first raised portion, and forming the first folded portion; Bending the first and second raised portions together in a U-shaped cross section to form a second folded portion.

Further, the metal plate joining structure in the metal roof according to the present invention is a metal plate joining structure in the metal roof in which the first and second metal plates are joined on the roof of the building. A coating applied to the two metal plates, and a hull portion formed by fastening the ends of the first and second metal plates to each other and engaged with a suspension provided on the roof. And the coating of the shell is heated so that the coating of the shell faces the coating and the plate of the shell facing the coating. The coating is applied to at least one of the coatings applied to the surface, and the coating is applied to the plate surfaces of the first and second metal plates so as to face the plate surface of the suspension, When the shell is heated, the coating Instrumentation is fused to a plate surface of the retaining clips.
In addition, the helical portion includes first and second upright portions in which end portions of the first and second metal plates are bent along the hanging portion so as to sandwich the hanging portion, and the first upright portion. A first folded portion in which a tip portion of the second upright portion is bent in a U-shaped cross section so as to surround a tip portion of the first upper portion, and the first and second upright portions are formed in a U-shaped cross section on the tip end side of the suspension And a second folded portion bent together.

  According to the metal plate joining method and the joining structure thereof in the metal roof of the present invention, the end portions of the first and second metal plates to which the coating is applied are fastened to form a seam portion. By heating the shell portion, at least the coating coating of the shell portion is applied to the plate surface of the shell portion facing the coating coating and the coating surface applied to the plate surface of the shell portion facing the coating coating. Since it is fused to one side, the metal plates can be joined more closely, and infiltration of rainwater can be prevented for a longer period.

It is a perspective view which shows the joining structure of the metal plate in the metal roof by Embodiment 1 of this invention. It is sectional drawing which follows the line II-II of FIG. It is explanatory drawing which shows the 1st process for forming the junction structure of FIG. It is explanatory drawing which shows the 2nd process performed after the 1st process of FIG. It is explanatory drawing which shows the 3rd process performed after the 2nd process of FIG. It is a perspective view which shows the joining structure of the metal plate in the metal roof by Embodiment 2 of this invention.

The best mode for carrying out the present invention will be described below with reference to the drawings.
Embodiment 1 FIG.
FIG. 1 is a perspective view showing a joining structure of metal plates in a metal roof according to Embodiment 1 of the present invention. In the figure, a plate-like suspension 2 is erected on a roof 1 of a building on which a metal roof is applied, and the first and second metal plates 3 and 4 are engaged with the suspension 2. Are joined together. The first and second metal plates 3 and 4 are stainless steel plates provided with a coating 5 such as vinyl chloride for improving the corrosion resistance and waterproofness, and the respective end portions are fastened together. It is joined with. As will be described later with reference to the drawings, the bolting means that each end is controlled so as to regulate the relative displacement of the first and second metal plates 3 and 4 along the short direction 6 and the thickness direction 7. The parts are bent and wound together so as to wind up each other. In other words, the end portions of the first and second metal plates 3 and 4 are overlapped with each other in the part that has been fastened. In FIG. 1, only two metal plates 3 and 4 are shown. However, on the roof 1, the metal plates joined to these metal plates 3 and 4, as well as these metal plates 3 and 4. A metal plate to be engaged with the hanger 2 is provided.

  Next, FIG. 2 is a sectional view taken along line II-II in FIG. In the figure, the first and second metal plates 3 and 4 are formed with a hull portion 10 by fastening their respective end portions together. A first rising portion 11, a second rising portion 12, a first folding portion 13, and a second folding portion 14 are provided in the hull portion 10. The first and second upright portions 11 and 12 are portions where the end portions of the first and second metal plates 3 and 4 are bent at right angles along the suspension 2 so as to sandwich the suspension 2. The folded portion 13 is a portion where the distal end portion 12a of the second raised portion 12 is bent in a U-shaped cross-section so as to surround the distal end portion 11a of the first raised portion 11, and the second folded portion 14 is the hanging element 2 The first and second upright portions 11 and 12 are bent at the front end 2a side in a U-shaped cross section.

  The coating 5 is a single-sided metal plate that is applied only to the front surfaces 3a and 4a of the first and second metal plates 3 and 4 and is not applied to the back surfaces 3b and 4b. As will be described later with reference to the drawings, the coating coating 5 located on the shell portion 10 formed of this single-sided metal plate is melted by heating the shell portion 10 and faces the coating coating 5. The seal (contacting) is fused to the coating surface 5 applied to the plate surface of the shell portion 10 and the opposing plate surface. Specifically, the coating 5 applied to the surface 4a of the front end 4c of the second metal plate 4 includes the coating 5 applied to the surface 3a of the first metal plate 3 located at the first upright portion 11; Are fused together. Further, the coating 5 applied to the surface 3 a of the tip portion 3 c of the first metal plate 3 is fused to the back surface 4 b of the tip portion 4 c of the second metal plate 4. That is, the end portions of the first and second metal plates 3 and 4 are integrally fixed to each other in the shell portion 10 by the coating 5 melted by heating the shell portion 10.

  Next, a method for forming the above-described metal plate bonding structure will be described with reference to FIGS. 3 is an explanatory view showing a first step for forming the joining structure of FIG. 2, and FIG. 4 is an explanatory view showing a second step performed after the first step of FIG. These are explanatory drawings which show the 3rd process performed after the 2nd process of FIG. When the joining structure of FIG. 2 is formed, first, as shown in FIG. 3, first and second metal plates 3 and 4 previously coated with a coating 5 are disposed in the vicinity of the suspension 2 and the suspension 2 The first and second upright portions 11 and 12 are formed by bending the end portions of the first and second metal plates 3 and 4 along the hanger 2 so as to sandwich them. In addition, the first upright portion 11 is bent in an L-shaped cross section, and the second upright portion 12 is bent in a cross-sectional shape so as to cover the first upstanding portion 11 from the outside, so that a temporary winding state is obtained. Form.

  After forming the temporary winding state, as shown in FIG. 4, the front end portion 12 a of the second upright portion 12 is bent in a U-shaped cross section so as to surround the front end portion 11 a of the first upright portion 11. As shown in FIG. 5, the first and second raised portions 11 and 12 are bent together in a U-shaped cross section on the tip 2a side of the suspension 2 to form a second folded portion 14. As a result, the hull tightening is completed, and the hull portion 10 is formed.

  After forming the hull portion 10, the hull portion 10 is heated using the heating means 20, and the coating coating 5 of the hull portion 10 is formed on the opposite plate surface and the opposite plate surface as shown in FIG. 2. It is fused to the coating 5 applied to. In this embodiment, the heating means 20 has a pair of irradiation parts 20a, 20b arranged so as to sandwich the gap part 10 along the short direction 6 of the first and second metal plates 3, 4. The electromagnetic heating device heats the shell portion 10 by irradiating the shell portion 10 with electromagnetic waves from the irradiation portions 20a and 20b. The heating means 20 may be, for example, a heater device that has a pair of contacts with a built-in heater and can heat the shell 10 by contacting the contacts.

  According to the joining method and the joining structure of the metal plates in such a metal roof, the ends 10 of the first and second metal plates 3 and 4 are fastened to heat the joint 10 formed by heating. The coating 5 of the shell 10 is fused to the plate surface of the shell 10 facing the coating 5 and the coating 5 applied to the plate 10 of the shell 10 facing the coating 5. Therefore, metal plates can be joined more closely, and rainwater can be prevented from entering for a longer period. Specifically, since the coating paint 5 is fused to the opposite part, the gap in the hull portion 10 can be filled with the coating paint 5 and the intrusion of rainwater can be prevented more reliably. In addition, since the coating 5 is fused to the facing portion, it is possible to prevent loosening of the hull portion 10 for a long period of time, and to prevent rainwater from entering for a longer period of time. Furthermore, since the coating paint 5 provided integrally with the first and second metal plates 3 and 4 is used, the possibility of the coating paint 5 falling off is reduced as compared with the case of using a waterproof member which is a separate member. It can prevent rainwater from entering for a longer period.

Embodiment 2. FIG.
FIG. 6 is a perspective view showing a metal plate joining structure in a metal roof according to Embodiment 2 of the present invention. In addition, about the structure equivalent to Embodiment 1, the same code | symbol is attached | subjected and demonstrated. In the first embodiment, the case where the single-sided metal plates 3 and 4 are used has been described. However, in the second embodiment, as shown in FIG. The metal plates 3 and 4 to which is applied are used.

  In FIG. 6, the first and second metal plates 3, 4 are each formed with a hull portion 10 by fastening each end portion to each other in the same manner as in the first embodiment. A first rising portion 11, a second rising portion 12, a first folding portion 13, and a second folding portion 14 are provided in the hull portion 10. The first and second upright portions 11 and 12 are portions where the end portions of the first and second metal plates 3 and 4 are bent at right angles along the suspension 2 so as to sandwich the suspension 2. The folded portion 13 is a portion where the distal end portion 12a of the second raised portion 12 is bent in a U-shaped cross-section so as to surround the distal end portion 11a of the first raised portion 11, and the second folded portion 14 is the hanging element 2 The first and second upright portions 11 and 12 are bent at the front end 2a side in a U-shaped cross section.

  The coating 5 located on the shell portion 10 formed of the double-sided metal plate is melted by heating the shell portion 10. As a result, the coatings 5 of the hull portions 10 facing each other are fused together. Specifically, the coating 5 applied to the front surface 4a and the back surface 4b of the front end 4c of the second metal plate 4 is applied to the surface 3a of the first metal plate 3 located at the first upright portion 11. It is also fused to the coating 5 applied to the surface 3 a of the tip 3 c of the first metal plate 3. Furthermore, the coating 5 applied to the back surface 3b of the tip 3c of the first metal plate 3 is applied to the coating 5 applied to the first folded portion of the second metal plate 4 and the back 4b of the second folded portion. It is fused.

  Further, the coating 5 applied to the back surfaces 3 b and 4 b of the metal plates 3 and 4 faces the plate surface of the hanger 2. Therefore, when the hull portion 10 is heated, the coating 5 is fused to the plate surface of the hanger 2. Specifically, a coating 5 applied to the back surface 3b of the first raised portion 11 of the first metal plate 3 and a coating 5 applied to the back surface 4b of the second raised portion 12 of the second metal plate 4 are provided. The fuser 2 is fused. That is, the coating part 5 melted by heating the hull portion 10 causes the end portions of the first and second metal plates 3, 4, the upright portions, and the hanger upright portion 2 b to be formed in the hull portion 10. They are integrally fixed to each other. Other configurations are the same as those in the first embodiment.

  According to the metal plate joining method and the joining structure in such a metal roof, since the coating 5 is fused to the plate surface of the suspension 2 when the hull portion 10 is heated, the roof 1 The 1st and 2nd metal plates 3 and 4 can be fixed more firmly above.

  In the first embodiment, the coating 3 is applied to the surfaces 3a and 4a of the metal plates 3 and 4, and in the second embodiment, the coating 5 is applied to both surfaces 3a, 4a, 3b and 4b of the metal plates 3 and 4. In the case where a heat resistant coating is applied to the surface of the metal plate, for example, the coating coating used for bonding may be applied only to the back surface of the metal plate. In such a case, the coating may be applied only at positions where the coatings are opposed to each other.

DESCRIPTION OF SYMBOLS 1 Roof 2 Hanging element 3, 4 1st and 2nd metal plate 5 Coating coating 10 Helmet part 11,12 1st and 2nd upright part 13,14 1st and 2nd folding | turning part

Claims (4)

A method for joining metal plates in a metal roof for joining first and second metal plates (3, 4) on a roof (1) of a building,
The ends of the first and second metal plates (3, 4) to which the coating (5) has been applied are fastened together and engaged with a suspension (2) provided on the roof (1). Forming the seam portion (10);
By heating the shell portion (10), the coating paint (5) of the shell portion (10), the plate surface of the shell portion (10) facing the coating paint (5), and look including the step of fusing at least one of the coating paint (5) coating paint which has been subjected to the plate surface of the goby portion opposite (10) to (5),
The coating (5) is applied to the plate surfaces of the first and second metal plates (3, 4) so as to oppose the plate surface of the suspension (2),
When the helix (10) is heated, the coating (5) is fused to the plate surface of the hanger (2).
A method for joining metal plates in a metal roof. The step of forming the hull (10) includes:
The end portions of the first and second metal plates (3, 4) are bent along the suspension (2) so as to sandwich the suspension (2), and the first and second upright portions (11, 12) are bent. )
A first folded portion (13) is formed by bending the distal end portion (12a) of the second raised portion (12) into a U-shaped cross section so as to surround the distal end portion (11a) of the first raised portion (11). And a process of
Bending the first and second raised portions (11, 12) together in a U-shaped section on the tip (2a) side of the hanging element (2) to form a second folded portion (14). The method for joining metal plates in a metal roof according to claim 1. A metal plate joining structure in a metal roof in which the first and second metal plates (3, 4) are joined on the roof (1) of the building,
A coating (5) applied to the first and second metal plates (3, 4);
End portions of the first and second metal plates (3, 4) are formed by being fastened to each other, and are joined to a hanger (2) provided on the roof (1). ) And
When the shell portion (10) is heated, the coating coating (5) of the shell portion (10) becomes a plate surface of the shell portion (10) facing the coating coating (5), And fused to at least one of the coatings (5) applied to the plate surface of the hull (10) facing the coatings (5) ,
The coating (5) is applied to the plate surfaces of the first and second metal plates (3, 4) so as to oppose the plate surface of the suspension (2),
When the helix (10) is heated, the coating (5) is fused to the plate surface of the hanger (2).
A metal plate joining structure in a metal roof characterized by the above. Said hull (10)
First and second upright portions (11, 12) in which ends of the first and second metal plates (3, 4) are bent along the suspension (2) so as to sandwich the suspension (2). )When,
A first folded portion (13) in which a distal end portion (12a) of the second raised portion (12) is bent in a U-shaped cross section so as to surround the distal end portion (11a) of the first raised portion (11);
The first and second raised portions (11, 12) have a second folded portion (14) bent together in a U-shaped cross section on the tip (2a) side of the hanging element (2). The joint structure of the metal plate in the metal roof of Claim 3 characterized by these.

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