JP2003232117A - Connection structure for siding and external decoration member or the like - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a siding joint structure suitable for corner sidings used for a reentrant angle or an external angle of external walls of a building or the like. <P>SOLUTION: In a siding structure in which mutual end faces of adjacent sidings 1, 2 are connected, A groove 3 is provided in respective joint faces 1a, 2a of the sidings 1, 2 so that the groove is enlarged as it goes from the face to the depth and the positions coincide with each other when respective end faces are put together face to face. The mutual siding connection end faces are stuck to each other by a curable adhesive 4 applied on the end face and injected in the groove. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a siding used for an outer wall of a building or the like, and a joining structure of outer decorative members, and more particularly to a corner siding used for an entering corner and an exiting corner of an outer wall of a building. (Specifically, a corner siding formed by joining the ends of two sidings and connecting these two sidings at a right angle), a siding suitable for a corner decorative member, and The present invention relates to a joint structure such as an outer decoration member.

[0002]

2. Description of the Related Art Conventionally, siding has been used on the outer wall of a building or the inner wall of a garage. At this time, it is necessary to install siding on the inside corner and the outside corner of the outer wall, etc. As the siding used for such a corner, two sidings are connected at a right angle. The outside corner siding and the like as shown in are put to practical use. The projected corner siding 90 is formed by diagonally cutting the end portions of the two sidings 91 and 92 with respect to the front and back surfaces and joining the diagonally cut cutting surfaces 93 with an adhesive. It is formed by connecting the sidings 91 and 92 at a right angle. By the way, the protruding corner siding as described above is formed by pressing a jig, which is press-formed as shown in FIG. Two sidings coated with are placed, and the bonding surfaces are joined together with the adhesive applied to manufacture. At this time, as shown in FIG. 7, the jig and the projecting corner siding are alternately piled up in a plurality of stages to manufacture.

[0003]

However, in such a joining method, it takes about one day for the liquid adhesive to cure, and the production efficiency is not good. Further, automatic bonding is also difficult in practice because the device is complicated and expensive. In addition, the jig is used to position and stabilize the two sidings, but since the adhesive is applied to the joining surface of the siding and the operator places them one by one on the tying jig. , Siding is easily misaligned, and defective products are easily produced. In addition to the above, there is also siding in which a hot melt different from the above-mentioned curing adhesive is used as an adhesive capable of shortening the bonding time and the bonding is performed. This hot melt is liquid when in a high temperature state and has a property of hardening when cooled, and can be bonded by hot melt after applying a primer to the bonding surface of the siding. However, in such a joining method, the joining force is affected by the material of the siding (for example, whether or not wood chips are mixed in the siding, and the size of the particle diameter of cement, etc.), etc. is not. According to the experiments by the inventors, in the case of the siding joined by using the hot melt as described above, the drop test has only about 1/10 the strength of the conventional product. For this reason, it is difficult to commercialize siding that requires a product guarantee for a long period of time by such hot-melt joining.

Therefore, the present invention provides a joining structure for two adjacent sidings or decorative members that can reliably join together and maintain the bonding strength for a long period of time. The object is to solve the above problems. This siding or the joining structure of the decorative member has a protruding corner, an inside corner siding,
Alternatively, not only can it be applied to the joint portion of the protruding corner and the entering corner decorative member, but can also be applied to the structure portion that requires the adjacent siding or the decorative member to be joined in a planar shape, and it is a joint structure of extremely high utility value.

[0005]

The technical solution adopted by the present invention to achieve the above object is a siding joining structure for joining end faces of adjacent sidings, wherein each of the joining end faces of the adjacent sidings is A siding joining structure is characterized in that a groove extending inward from the surface is formed, and the siding joining end surfaces are joined by a curable adhesive which is applied to the end surface and is filled in the groove. Also, a siding joining structure that joins end faces of adjacent sidings, wherein the joining end faces of the adjacent sidings are expanded inward from the surface and the positions of the joining end faces match each other when they are joined. A siding joining structure is characterized in that a groove formed so as to be provided is provided, and the siding joining end surfaces are joined together by a curable adhesive that is applied to the end surface and filled in the groove. Also, a decorative member joining structure for joining end faces of adjacent decorative members to each other,
Forming a groove toward the back of the surface on each of the joint end surfaces of the adjacent decorative members, and joining the decorative member end surfaces by a curable adhesive that is applied to the end surface and is injected and filled into the groove. It is a characteristic joint structure of decorative members. Further, in a makeup member joining structure for joining end faces of adjacent makeup members, each of the joining end faces of the adjacent makeup members expands from the surface toward the back, and,
It is characterized in that a groove is formed so that the positions of the joint end surfaces are aligned with each other when the joint end surfaces are connected to each other, and the decorative member joint end surfaces are jointed by a curable adhesive that is applied to the end surface and is injected and filled into the groove. It is a joint structure of a decorative member. Further, the joint structure is characterized in that a plurality of the grooves are formed on the end face. Further, the groove is formed in a shape such that an opening formed on the surface such as a groove, an inverted T-shaped groove, and an inverted triangular groove is small, and the curable adhesive filled inside cannot be pulled out from the groove. Is a joint structure characterized by. Further, the adjacent siding or decorative members are joined at a right angle, which is a joining structure. The curable adhesive is preferably a moisture-curing reaction type hot melt and has a joining structure.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below by taking siding as an example. FIG. 1 is a perspective view of a projected corner (entry corner) siding, FIG. 2 is a perspective view of a joint surface on one side of the siding, and FIG. 3 is a plan view of projected corner (entrance corner) siding. In FIG. 1, the ends 1a, 2a of the two sidings 1, 2 are obliquely cut at about 45 ° with respect to the front and back surfaces. Two sidings can be connected at a right angle by joining them with a hot melt adhesive described later.

As shown in FIGS. 1 and 2, a dovetail groove 3 whose cross-sectional area expands deeper than the joining surface is formed on the joining surface of the two sidings. The dovetail grooves 3 are formed so that their positions coincide with each other when the joint end surfaces are connected to each other. Although one dovetail groove is formed on the joint end surface in this example, a plurality of dovetail grooves can be formed when the siding is thick. In order to join the two sidings thus formed, first, the joining surfaces 1a, 2
a, the primary is applied in the dovetail groove 3 and then a curable adhesive that is liquid and hardens when cooled is applied in a high temperature state, and the end faces of both are positioned and joined as shown in FIG. To do. The curable adhesive 4 has a property of being cured in a relatively short time (several tens of seconds to several minutes), and when cooled in a joined state, the curable adhesive is cured and the adhesive is a dovetail groove of both sidings. Since the adhesive hardens in 3 and the adhesives in the dovetails are integrated with each other, the two sidings are firmly joined by the curable adhesives at the joining surface and the dovetails and are not separated. In particular, the curable adhesive 4 hardened in the dovetail groove 3 becomes extremely strong and tough in the hardened state, so that the adhesive itself functions as one joining member, and the sidings 1 and 2 are separated from each other. Is blocked.

Next, another form of the groove will be described. The groove 7 shown in FIG. 5 is a parallel groove, and this groove is formed at a right angle or at an appropriate angle with respect to the end face. By filling the groove with the curable adhesive, the siding members can be firmly joined together as in the above-described embodiment. Considering the bonding strength, the number of grooves can be appropriately set to two or more at predetermined intervals depending on the thickness of the siding or the decorative member. This groove is not limited to parallel grooves in consideration of adhesive strength and the like, and various shapes capable of filling and holding a curable adhesive can be adopted.

Although the joint structure of siding has been described above as an example, this joint structure is the same for a decorative member around the outside of a house (for example, a decorative member such as gable, curtain plate, etc.) or a member that achieves a similar function. Of course, it can be adapted. Further, in the present invention, a curable adhesive is used as described above, a groove facing inward is provided on the joint surface of the siding (decorative member) to be joined, and the siding (decorative member) joint portion is applied in this groove. Further, by filling with a curable adhesive, the groove is siding (decorative member).
A groove that expands toward the back is formed on the joint surface of and the curable adhesive that is applied to the siding (decorative member) joint is filled in this groove so that the curable adhesive itself becomes one component during curing. It can be utilized and the joint strength can be greatly improved. As the curable adhesive, any curable adhesive can be used as long as it is liquid at a high temperature, hardens by cooling, and is required to have strength, toughness, and durability at the time of curing. , Moisture curing reaction type hot melt, trade name: Hitachi Chemical Polymer Co., Ltd. Hibon 4837, Daikyo Co., Ltd. Almate P
U70 and the like are preferable. However, it goes without saying that an adhesive having other similar functions can be used.

The present invention is not limited to the above embodiment. For example, the groove formed in the end face and expanding toward the back may have a cross shape as shown in FIG.
As shown in (b), it may be an inverted T type, and grooves having various shapes can be adopted as long as they can achieve the same function. Further, this joining portion is not limited to the projecting corner and the entering corner portion of the siding (decorative member), and it goes without saying that it can be applied to flat siding (decorative member) 11 and 12 joining portions as shown in FIG. 4C. Moreover, it is possible to select an appropriate angle between 0 ° and 180 ° depending on the place of use without sticking to the 90 ° angle of the siding (decorative member) between the two sidings, unlike the siding at the outer corner and the corner at the corner. Is also natural. Further, the term “groove” used in the present specification is naturally a broad concept including a shape capable of filling and holding an adhesive. As the method for applying or filling the adhesive, various forms such as filling the adhesive only in the groove or applying and filling both the adhesive surface and the groove can be applied. Furthermore, the present invention can be embodied in various forms without departing from the spirit or the main features thereof. Further, the above-described embodiments are merely examples in all respects, and should not be limitedly interpreted.

[0011]

As described above, according to the present invention, a groove extending inward from the surface or a groove extending inward from the surface is formed on each of the adjoining end surfaces of adjacent sidings or decorative members, and A groove is formed so that the positions thereof match each other when the two are connected to each other, and the siding adjacent to each other or the bonding surface of the decorative member is bonded by the curable adhesive injected and filled in the groove. It is possible to provide a siding or decorative member joint structure that is durable and can be easily joined. Further, the curable adhesive with which the groove is filled can surely prevent rainwater from entering the joint. Further, the two siding or decorative members can be surely connected in a desired state without being displaced, and the quality and appearance of the product can be improved. Further, even if such corner improving siding (or corner decorative member) or external corner siding (or external decorative member) is used, such a quality improving effect and an external appearance improving effect can be further obtained by flat plate siding (or It is possible to achieve excellent effects such as being obtainable even when it is used as a projected corner decorative member).

[Brief description of drawings]

FIG. 1 is a perspective view of a projected corner (entry corner) siding.

FIG. 2 is a perspective view of a joint surface on one side of the siding.

FIG. 3 is a plan view of a projected corner (entered corner) siding.

FIG. 4 is a plan view of a siding joint portion showing another embodiment.

FIG. 5 is a plan view of a siding joint portion showing another embodiment.

FIG. 6 is a plan view of a conventional projected corner siding.

FIG. 7 is an explanatory diagram for manufacturing a conventional projected corner siding.

[Explanation of symbols]

1, 2 siding 1a, 2a Siding end face 3 dovetail 4 Curable adhesive 5 x shaped dovetail 6 inverted T-shaped dovetail 7 groove

Claims (8)

[Claims] 1. A siding joining structure for joining end faces of adjacent sidings, wherein grooves are formed inwardly of the joining end faces of the adjacent sidings, and at least the grooves are filled and cured. A joining structure for siding, characterized in that siding joining end faces are joined together with a conductive adhesive. 2. A siding joining structure for joining end faces of adjacent sidings, wherein each of the joining end faces of the adjacent sidings expands deeper than the surface, and when the joining end faces are connected to each other. A joining structure for siding, characterized in that a groove is formed so that the positions thereof coincide with each other, and at least the siding joining end faces are joined by a curable adhesive injected and filled into the groove. 3. A decorative member joining structure for joining end faces of adjacent decorative members, wherein grooves are formed inwardly of the respective joined end faces of the adjacent decorative members, and at least in the groove. A joint structure for a decorative member, characterized in that the end faces of the decorative members are bonded to each other by a curable adhesive injected and filled. 4. A makeup member joining structure for joining end faces of adjacent decorative members, wherein the joining end faces of the adjacent decorative members are expanded toward the back from the surface and the joining end faces are joined together. A joint structure for a decorative member, characterized in that grooves are formed so that the positions thereof coincide with each other when they are formed, and at least the cosmetic member joint end surfaces are joined by a curable adhesive injected and filled in the groove. 5. The joining structure according to claim 1, wherein a plurality of the grooves are formed on the end face. 6. The groove has a shape such that an opening formed on the surface such as a groove, an inverted T-shaped groove, and an inverted triangular groove is small, and the curable adhesive filled inside cannot be pulled out from the groove. It has comprised, The joining structure in any one of Claims 1-5. 7. The adjacent siding or decorative members are joined at a right angle.
The joint structure according to any one of 1. 8. The joint structure according to claim 1, wherein the curable adhesive is preferably a moisture curing reaction type hot melt.