JPS6316794Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a composite heat insulating member consisting of a synthetic resin connection part and a metal part, and in which an air chamber formed inside is filled with a synthetic resin foam material.

In general, opening members such as metal window frames and frames are
Since metal is a good thermal conductor, heat loss is large, and it also has the disadvantage of causing dew condensation. On the other hand,
The thermal conductivity of synthetic resin is approximately 1/1000th that of aluminum, which is most commonly used for metal opening members, so we have recently focused on this point and integrated opening members from metal and synthetic resin. Proposals and implementations have been made to more effectively achieve indoor and outdoor insulation. An example of such a composite member is a member with a roughly H-shaped cross section that is made of a pair of side edges connected by a connecting piece in the center, such as a shoji middle frame.One side edge is made of metal and the other side is made of metal. The side edges are made of synthetic resin, and the two are fitted together in the center.

Connect the metal edges on both sides with synthetic resin connecting pieces,
Connected by gluing, fitting, caulking, etc.

The H-shaped main body is made of metal, and
A synthetic resin plate is glued or attached to one side edge facing the interior of the room.

and so on. However, the strength of the members is uneven, the productivity of the members is poor, the side edges tend to peel and separate, and during use, the outside air that enters between the bead and the glass plate comes into contact with the indoor side edges. There are disadvantages such as condensation and the members have poor dew-proofing properties. In addition to the above-mentioned composite members, there are also members made entirely of synthetic resin, but although these members have high heat insulation properties, they also have the disadvantage of being inferior in fire resistance, strength, etc.

The present invention solves the above-mentioned drawbacks, provides effective heat insulation with a small amount of resin, and does not impair the strength of the opening member.
The purpose of this study is to propose a composite heat insulating member that can provide dew resistance.

Embodiments of the present invention will be described below with reference to the drawings.

First, in FIG. 1, the symbol A indicates the middle crosspiece.
This middle crosspiece A connects side edge members 1 and 2 made of extruded aluminum, which face each other at intervals in the indoor and outdoor directions and constitute metal parts, via a synthetic resin connection part 3, and The side edge member 1 facing inward is coated with a synthetic resin, an air chamber 5 is formed in an appropriate portion inside along the longitudinal direction, and the air chamber 5 is filled with a synthetic resin foam material. So, when this middle crosspiece A is used, the side edge member 1 faces indoors,
The side edge member 2 is used facing outdoors. The side edge member 1 includes a side edge 10 having bent portions 10a, 10a at the upper and lower ends thereof, and an engagement protrusion 11a, 1 protruding to one side from the center upper and lower portions of the side edge 10, and at the tip thereof.
It is composed of engaging pieces 11, 11 provided with 1a. On the other hand, the side edge member 2 includes a side edge 12 having bent portions 12a, 12a at the upper and lower ends, a hollow reinforcing edge 13 protruding from the center of the side edge 12 to one side, and the reinforcing The reinforcing edge 1 is composed of screw holes 14, 14 formed at the top and bottom of the tip of the edge 13.
An air chamber 6 is formed within 3. Further, an engaging protrusion 13 is provided on the outer side of the screw holes 14, 14.
a, 13a are formed in a protruding manner. side edge member 1,
2 is not limited to an extruded aluminum profile, but may also be a roll-formed material of other metal, such as steel. Connecting piece 11, 1 of side edge member 1
1 and the reinforcing edge 13 of the side edge member 2 are arranged opposite to each other, and a synthetic resin having an air chamber 5 is filled between them, and the synthetic resin connecting portion 3 allows the side edge member 1 to be
and 2 are connected. Further, the side edge member 1 is covered with the synthetic resin described above to form a covering portion 4. The synthetic resin constituting the above-mentioned connecting part 3 and covering part 4 has an elastic strength of 140 kg/kg at room temperature.
Insulating synthetic resin of cm ² or more, such as vinyl chloride resin, acrylic resin, nylon resin, ABS resin,
It is preferable to use urethane resin, phenolic resin, synthetic rubber, or the like.

In the middle beam A having the above structure, the synthetic resin connecting portion 3, the synthetic resin coating portion 4 of the indoor side edge member 1, and the air chamber 6 are integrally formed by extrusion molding. This includes passing gaps for the side edge members 1 and 2 to be passed through in the die in an opposed manner, forming a gap filled with resin for a connecting portion that communicates with these side edge members passing gaps, and further forming one of the side edges The passing gap of the member 1 is made larger than the outer shape of the side edge member 1 to provide a resin filling gap for the covering portion, and the side edge members 1 and 2 are opposed to each other with a predetermined gap. Molten synthetic resin can be continuously molded by injecting the molten synthetic resin from the resin flow path into the resin filling gap of the die while moving it through the side edge member passage gap of the die. That is, the molten resin injected into the die is quickly filled into the resin gap for the connecting part between the side edge members 1 and 2 and the resin gap formed around one of the side edge members 1, A connecting portion 3 and a covering portion 4 are configured. At this time, if a partition wall for preventing the resin from getting around is further provided in the center of the resin gap for the connection part, the molten resin will not go around into the partition wall, so that an air chamber 5 can be obtained. According to such a method of manufacturing a composite member, it is possible to achieve an adhesive composite of metal and synthetic resin, and the adhesion between the two can be further improved by applying an adhesive to the metal member in advance or adding an additive to the synthetic resin. It can be made stronger.

In addition, according to such a manufacturing method, since ordinary coextrusion can also be applied, two or more types of synthetic resins can be used at the same time. Therefore, for example, the connecting portion 3 may be made of hard synthetic resin, and the covering portion 4 may be made of soft synthetic resin.

Next, the air chamber 5 is filled with a synthetic resin foam material 7. When filling the foam material 7 in this way, the synthetic resin foam balls and their molding waste are directly poured into the air chamber 5.
Alternatively, synthetic resin may be injected into the air chamber 5 and foamed. Examples of such synthetic resins include urethane resins, cenol resins, vinyl chloride resins, and the like.

Double glass 17 or the like may be attached to the middle crosspiece A via a bead material 16 as appropriate.

As mentioned above, the middle crosspiece A is connected to the side edge members 1 and 2.
Since the side edges 10 and 12 of the air chamber 5 are connected via the synthetic resin connection part 3, the interior and exterior are effectively insulated, and the heat conducted from the outside air through the synthetic resin is transferred to the air chamber 5. and further air chamber 5
Since the foam material 7 is filled with a highly heat insulating material, air convection is reduced and the heat insulating performance is further improved. In addition, by forming the air chamber 5, not only the molding material can be saved, but also the surrounding of the resin is promoted during molding, so it is possible to increase the molding speed, increase the production efficiency, and improve the elasticity. It can act synergistically with the synthetic resin provided to improve soundproofing and vibrationproofing effects, and since the flexible parts of the members are reduced, the overall fireproofing and fireproofing properties can also be improved. Since the side edge member 1 is formed with a synthetic resin coating 4, the member 1 itself is also insulated, and therefore, for example, the shoji glass 17, 17
External cold air comes into contact with the side edge member 1 facing indoors as shown by the arrow from the gap created at the joint between the upper and lower beads 16, 16 and the side beads or from the condensation drain hole 9 formed in the outer member 2. Therefore, dew condensation on the member 1 can be prevented. In particular, recently, the condensation water drain hole 9 has been installed toward the outdoor side of the opening member.
The covering portion 4 is very useful because it is mandatory to form an opening in the drain hole 9, and cold air infiltration through the drain hole 9 is unavoidable. On the other hand, since the side edge member 2 is not coated with synthetic resin,
Not easy to deteriorate.

Furthermore, the synthetic resin connecting portion 3 and the side edge member 1
Since the synthetic resin coating portion 4 and the air chamber 5 are formed by extrusion molding, they can be formed at the same time, and have good adhesion to the side edge members 1 and 2, making the entire composite member strong. In addition, the shape and dimensions of the synthetic resin coating portion 4 can be precisely determined. In addition, engagement protrusions 11a, 11a and 13a, 13a are formed protrudingly on the side edge members 1 and 2, respectively, and are firmly engaged with the resin of the connecting portion 3.
The bond between the members 1 and 2 is strengthened, and the resistance to external forces that would cause these members 1 and 2 to separate or peel is further improved. Furthermore, if the connection of the members can be strengthened through engagement in this manner, thick molding becomes unnecessary, the thickness of the connecting portion 3 can be made thinner, and the amount of synthetic resin material can be saved.

In addition to the above-mentioned effects, the composite heat-insulating member has excellent weather resistance, fireproofing properties, and fire resistance because the side edge facing outdoors is made of metal, and has excellent impact resistance and is able to reduce the complexity of the member. It has a high security effect and is resistant to staining, and the side edge facing the roof edge is made of synthetic resin, so when used for Japanese shoji, for example, it has good adhesion to paper and is specially made for adhesion. The expected effect is that there is no need for surface treatment.

Note that the composite structure of the metal part and the synthetic resin connection part, the formation of the air chamber, and the injection structure of the foam material are not limited to the above examples, and may be modified depending on the installation conditions of the opening member, usage conditions, etc. The design can be changed as appropriate.

As explained in detail above, according to the composite heat insulating member of the present invention, the opposing metal parts and the connecting part made of synthetic resin are integrally connected, and the metal part facing indoors has a synthetic resin coating. is formed, it has excellent heat insulation and dew-proofing properties, and can effectively prevent dew condensation on the indoor side. In addition, since the air chamber is formed through the interior, resin material can be saved.
In addition to reducing the amount of flammable parts, it also promotes the formation of synthetic resin during extrusion molding, making it possible to increase molding speed. Moreover, since the air chamber is filled with a synthetic resin foam material, the convection of air within the air chamber is suppressed, and the heat insulation properties are further improved. Furthermore, since the synthetic resin connection part, the synthetic resin coating part of the metal part facing indoors, and the air chamber are formed by extrusion molding, they can be formed at the same time, and the synthetic resin and metal parts can be formed at the same time. has good adhesion, and not only can the entire composite member be firmly integrated, but also the shape and dimensions of the synthetic resin coating can be precisely determined.

[Brief explanation of the drawing]

The drawing is a sectional view of an example of a composite heat insulating member according to the present invention. Code, 1, 2... Side edge member or side edge part, 3...
Connection part, 5... Air chamber, 7... Foaming material.

Claims (1)

[Scope of utility model registration request] It is a composite heat insulating member made by integrally connecting metal parts that face each other at intervals in the indoor and outdoor directions via a synthetic resin connection part, and the metal part facing indoors is covered with a synthetic resin, and the inside An air chamber is formed through the air chamber, and the air chamber is filled with a synthetic resin foam material, and the synthetic resin connecting portion, the synthetic resin covering portion of the indoor metal portion, and the air chamber are integrally formed by extrusion molding. A composite heat insulating member characterized by: