JP2010164163A - Joint member - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an easily recyclable joint member that ensures satisfactory working efficiency and sufficient adhesive strength. <P>SOLUTION: The joint member for fixing two or more hollow members having insertion holes includes two or more fitting parts that can be fitted in the hollow members through the insertion holes, and an adhesive applied to the fitting parts to bond the fitting parts to the hollow members, and does not include any screws. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a joint member for connecting hollow structures, and more particularly to a joint member used for corners of a sash such as a window frame.

  In the conventional sash, the four corners are fixed with screws. By firmly fixing with a screw, it is possible to secure a sufficient service life and to make a window frame in which rattling is unlikely to occur (Patent Documents 1 and 2). Thus, since the sash was fixed with screws (screws), when assembling the sash, it was necessary to turn and fix each screw with a screwdriver or the like, and the work efficiency was poor. Moreover, since iron-based materials are used for the sash screws, it has been an obstacle to recycling waste materials.

  On the other hand, a sash fixing method using no screw has been proposed. Patent Document 3 is a corner coupling device that joins a hollow molding material such as a window frame, and is configured such that a groove is formed in the device and an adhesive can be injected from the outside after fitting a hollow member. And sash fastening is disclosed. In addition, Patent Document 4 discloses that a corner portion of a window frame is stuck and fixed with an adhesive tape agent.

JP 7-145688 A JP 2000-213514 A JP-A-6-240957 JP-A-8-319778

  However, the method of fixing the window frame using the adhesive described in Patent Document 3 requires that the adhesive be injected after the fastening member is fitted, and it is difficult to say that the work efficiency is good. It was. In addition, with the fixing method described in Patent Document 4, sufficient adhesive strength cannot be obtained. Accordingly, an object of the present invention is to provide a joint member that has good working efficiency, has sufficient adhesive strength, and is excellent in recyclability.

The present invention (1) is a joint member for fixing two or more hollow members (for example, the hollow member 500) in which insertion holes are formed.
Two or more fitting portions (for example, the fitting portion 110) that can be internally fitted to the hollow member via the insertion hole;
An adhesive (for example, an adhesive 120) for joining the fitting portion and the hollow member applied to the fitting portion;
It is a joint member (for example, joint member 100,200,300) characterized by having.

  This invention (2) is a joint member of the said invention (1) whose said adhesive agent is a thermosetting adhesive agent.

  The present invention (3) is the joint member according to the invention (1) or (2), wherein the hollow member is an aluminum sash and the joint member is made of aluminum.

  The invention (4) is any one of the inventions (1) to (3), wherein a protrusion (for example, the pressing protrusion 210 and the smooth insertion protrusion 220) is formed on a part of the fitting portion. One joint member.

  Here, definitions of terms in the claims and the specification will be described. “Internal fitting” refers to fitting into the hollow member so that the fitting portion slides inside.

  According to the present invention (1), there is an effect that the working efficiency is good, sufficient adhesive strength is obtained, and the recyclability is excellent.

  According to the present invention (2), there are effects that workability is good and higher adhesive strength is obtained.

  According to the present invention (3), since the adhesive part will not burn, the assembled aluminum sash can be disassembled and recycled as it is without being separated and collected. Play.

  According to the present invention (4), there is an effect that the work becomes smooth and the adhesive strength is increased when fitting with the hollow member.

FIG. 1 is a schematic configuration diagram of a joint member according to a first embodiment. FIG. 2 is a schematic configuration diagram of the joint member according to the second embodiment. FIG. 3 is a schematic configuration diagram of a joint member according to a third embodiment. FIG. 4 is a schematic view of a method for manufacturing a joint member according to the best mode. FIG. 5 is an explanatory diagram of a method for using the joint member according to the best mode.

<First form>
A schematic configuration diagram of the joint member according to the best mode is shown in FIG. Here, FIG. 1A is a schematic perspective view of the joint member 100, and FIG. 1B is a front view of the joint member 100. The joint member 100 includes two fitting portions 110 that can be internally fitted to the hollow member through the insertion hole of the hollow member, and the fitting portion surface and the hollow that are applied to the fitting portion surface. And an adhesive 120 for joining the inner wall of the member (for filling a gap generated after the fitting portion and the insertion portion are fitted). Here, in this example, the two fitting portions 110 have the same shape, but are not limited to this, and may have different shapes and sizes depending on applications (for example, a plurality of pieces to be joined) When the size and / or shape of the insertion hole of the hollow member is different from each other). Furthermore, in this example, the number of the fitting portions 110 is two, but when the number of hollow members to be joined is three or more, the number may be three or more. The material of the fitting portion 110 is not particularly limited, but is preferably a material excellent in mechanical strength, durability, weather resistance, corrosion resistance, recyclability, etc. (for example, aluminum). Moreover, although it does not specifically limit, it is suitable for the adhesive agent 120 to be distribute | arranged on the two surfaces of the outer side of an L-shaped coupling member. Thereby, it becomes possible to fix with sufficient strength without using an extra adhesive. Moreover, it is suitable for the fitting part 110 to be comprised with the truss material by extrusion molding rather than a solid material from a viewpoint of weight reduction. Furthermore, it is preferable to apply a release tape on the adhesive 120. The release tape protects the adhesive surface from dust and dirt, and prevents stacking during storage.

Adhesive The adhesive used for the joint member according to the best mode of the present invention is not particularly limited. For example, a thermosetting adhesive, a thermoplastic adhesive, a hot melt adhesive, a photocurable adhesive (the hollow member is light A pressure-sensitive adhesive). Among these, a thermosetting adhesive and a thermoplastic adhesive are preferable from the viewpoint of work efficiency. Further, the state of the adhesive is not particularly limited, but the liquid adhesive is unsuitable from the viewpoint of work efficiency, and is preferably a non-liquid adhesive. Here, as the thermosetting adhesive, urea resin, melamine resin, benzoguanamine resin, acetoguanamine resin, phenol resin, resorcinol resin, xylene resin, furan resin, unsaturated polyester resin, diallyl phthalate resin, isocyanate resin, epoxy Resins, maleimide resins, nadiimide resins and the like can be mentioned. These resins may be used alone or in combination of two or more. Thermoplastic adhesives include acrylonitrile-butadiene copolymer (NBR), acrylonitrile-butadiene-styrene resin (ABS), styrene-butadiene-ethylene resin (SEBS), styrene-butadiene-styrene resin (SBS), polybutadiene, polybutadiene Examples include acrylonitrile, polyvinyl butyral, polyamide, polyamideimide, polyimide, polyester, polyurethane, and acrylic rubber. These resins may be used alone or in combination of two or more. Hot melt adhesives include natural rubber, synthetic rubber, polyolefins such as ethylene-propylene-butadiene copolymer, polybutyl acrylate, poly (2-ethylhexyl) acrylate, polymethyl acrylate, acrylic acid, methacrylic acid, vinyl acetate, Polyacrylates such as maleic anhydride, diacetone acrylamide or acrylonitrile and copolymers thereof, ethylene-vinyl acetate copolymer, 1-vinyl-2-pyrrolidone-vinyl acetate copolymer, vinyl acetate-vinyl laurate copolymer Examples thereof include polyvinyl derivatives such as coalescence, polyamides such as diethylenetriamine polyamide, copolyamides, polyesters, copolyesters, copolyetheresters, polyurethanes, and silicones. These resins may be used alone or in combination of two or more.

Peeling Tape The joint member according to the best mode of the present invention may be provided with a peeling tape {release tape (separator)} on the adhesive. Here, the release tape is not particularly limited, but specific examples include polyethylene terephthalate (PET), triacetyl cellulose (TAC), polyacrylate, polyimide, polyether, polycarbonate, polysulfone, polyethersulfone, cellophane, aroma. Various resin films such as group polyamide, polyethylene, polypropylene, and polyvinyl alcohol, and paper that has been subjected to release treatment can be used.

Adhesive sheet The adhesive used in the best mode of the present invention is preferably prepared in advance by creating an adhesive sheet. Here, it is preferable that the adhesive sheet can be easily attached to the joint member, and can cope with a cutting step in the manufacturing method described later. The structure of the adhesive sheet is not particularly limited, but may be a single layer structure including only a thermosetting adhesive layer, or a multilayer structure in which another layer is added to the thermosetting adhesive layer. There may be. When it is a single layer structure, it is suitable to affix the said peeling tape on both surfaces of a thermosetting adhesive bond layer. In this case, it is preferable that one release tape is peeled off and attached to the joint member according to the best mode, and the release tape on the opposite surface is peeled off at the time of connection with the hollow member. Subsequently, in the case of a multilayer structure, in addition to the thermosetting adhesive layer, a hot melt adhesive layer may be provided on the pressure-sensitive adhesive layer or the upper layer of the thermosetting adhesive layer. Here, the pressure-sensitive adhesive can be appropriately selected from acrylic, rubber-based, polyvinyl ether-based, silicone-based and the like. In the case of multiple layers, it is preferable to provide a release tape on both sides, as in the case of a single layer.

<Second form>
Then, the structure of the coupling member 200 which concerns on a 2nd form is demonstrated using FIG. Here, FIG. 2A is a schematic perspective view of the joint member 200, and FIG. 2B is a front view of the joint member 200. The joint member 200 according to the second embodiment is characterized by having a pressing projection 210 and a smooth insertion projection 220. Here, since the configuration of the other second embodiment is the same as that of the first embodiment, common portions are denoted by the same reference symbols and description thereof is omitted. The pressing projection 210 is formed on the opposite side of the surface of the fitting portion where the adhesive 120 is disposed. By having the said structure, since an adhesive agent is pressed and pressed against an inner wall of a hollow member after internal fitting with a hollow member, adhesive strength increases. Moreover, since it becomes difficult to remove | deviate after an internal fitting with a hollow member by the said structure, the operation | work of the adhesive agent hardening mentioned later becomes easy. The smooth insertion protrusion 220 is not particularly limited as long as it can reduce friction between the insertion portion of the hollow member and the joint member, but preferably has a semi-cylindrical shape and is provided at the tip of the fitting portion 110. It is preferred that In addition, it is preferable that the thickness of the adhesive 120 is adjusted in accordance with the shape of the smooth insertion protrusion 220 to eliminate the gap between the fitting portion and the insertion portion of the hollow member.

<Third form>
Then, the structure of the coupling member 300 which concerns on a 3rd form is demonstrated using FIG. Here, FIG. 3A is a schematic perspective view of the joint member 300, and FIG. 3B is a front view of the joint member 300. The joint member 300 according to the third embodiment is characterized by having a gasket portion 310 sandwiched between the butted portions of the hollow member. Here, since the configuration of the other third embodiment is the same as that of the first embodiment, common portions are denoted by the same reference symbols and description thereof is omitted. The gasket portion 310 is formed so as to be located at the butting portion of the hollow member. By providing the gasket portion, the water tightness between the joint member and the hollow member is improved, and the safety during the assembly work can be ensured even if the end surface of the hollow member is sharp.

<Manufacturing method>
Then, the manufacturing method of the joint member which concerns on this best form is demonstrated. Although the manufacturing method of the joint member which concerns on this best form is not specifically limited, For example, the process of shape | molding the elongate aluminum extrusion material 400 shown in FIG. 4, Applying an adhesive agent to the outer surface of the said extrusion material (for example, adhesion An application step of attaching an agent sheet, applying or spraying an adhesive solution and then drying to remove the solvent), and a cutting step of cutting the extruded member into an appropriate size. It can be easily manufactured by the manufacturing method. By such a manufacturing method, it becomes possible to manufacture an inexpensive joint member more efficiently.

<How to use>
A method of using the joint member according to the best mode will be described with reference to FIG. The joint member is used, for example, for a corner joint of the hollow member 500. As shown in FIG. 5, the fitting member fitting portion 110 is fitted into the hollow member 500 via the insertion portion 501 of the hollow member 500. After that, when a thermosetting adhesive or a thermoplastic adhesive is used as the adhesive, the hollow part and the fitting part are firmly fixed by heating the joint part with a heating device such as a heat gun and thermosetting it. Join. Here, it is preferable to use a heating device having an L-shaped heating member as the heating device. The L-shaped heating member is pressed against the corner portion of the window frame to solidify the thermosetting adhesive or to melt the thermoplastic adhesive. By using the apparatus, work can be performed efficiently.

DESCRIPTION OF SYMBOLS 100: 1st form coupling member 110: Fitting part 120: Adhesive 200: 2nd form coupling member 210: Pushing projection part 220: Smooth insertion projection part 300: Third form coupling member 310: Gasket Part 400: Aluminum extruded material 500: Hollow member 501: Insertion part

Claims (4)

In a joint member for fixing two or more hollow members in which insertion holes are formed,
Two or more fitting portions that can be fitted into the hollow member via the insertion hole;
Applied to the fitting part, an adhesive for joining the fitting part and the hollow member,
And a joint member characterized by not having a screw.   The joint member according to claim 1, wherein the adhesive is a thermosetting adhesive.   The joint member according to claim 1, wherein the hollow member is an aluminum sash, and the joint member is made of aluminum.   The joint member according to claim 1, wherein a protrusion is formed on a part of the fitting portion.

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