JP3276799B2 - Exterior joint - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an exterior joint for closing an end of an exterior material juxtaposed on an outer wall of a building.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 6 , a table for closing an opening between a base side (b) fitted and fixed between ends of an exterior material (a) and an end of the exterior material (a). BACKGROUND ART Exterior joints formed to have a substantially T-shaped cross section with a side (c) are known.

[0003] In this case, the exterior material (a) is a rectangular cement plate and is laterally attached to the outer wall base surface (d), and the upper and lower ends of the exterior material (a) are actually joined to each other. ,
A joint space that is continuous in the vertical direction with a constant width is formed between the longitudinal ends of the exterior material (a). The base portion (b) of the exterior joint is fitted and fixed in the joint space, and both side end portions of the front side (c) of the exterior joint are closely contacted with the edge front side edge portion of the exterior material (a). Thus, the opening at the same joint interval is closed in a closed manner by the front side portion (c). As a result, the joint between the ends of the exterior material (a) is subjected to joint treatment so as to have a waterproof property, and is finished in a good appearance.

[0004] The exterior joint is integrally formed of a soft material having elasticity as a whole, and has a plurality of water retaining locking pieces projecting obliquely outward from both sides of a base side (b). (E)
Are integrally extended in the longitudinal direction, and the water stopper locking piece (e) is bent and deformed against the elasticity, and its tip is brought into contact with the end face of the exterior material (a). As a result, the exterior joint is prevented from coming off, and the waterproof property is secured.

[0005]

However, in the above-mentioned conventional technique, the entire exterior joint is integrally formed of soft polyvinyl chloride, EPDM, or the like, has elasticity, and is excellent in durability and waterproofness. However, the front side (c) exposed to the outside is easily affected by sunlight, wind and rain, and is susceptible to deterioration and discoloration, and has a problem in weather resistance.
The elasticity of the rubber also decreased, and a problem occurred in the waterproofness.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems in the prior art. That is, the object of the present invention is to ensure excellent weather resistance and waterproofness, and to extend the distance between the ends of the exterior material for a long time. An object of the present invention is to provide an exterior joint that can be reliably and favorably closed.

[0007]

According to a first aspect of the present invention, there is provided an exterior joint joint for covering an opening between a base portion which is fitted and fixed between ends of an exterior material and an end portion of the exterior material. And an outer joint having a substantially T-shaped cross section formed by coating a weather-resistant resin layer on the entire front surface extending from the surface of the front side portion to both side edges. Was.

According to a second aspect of the present invention, there is provided the exterior joint, wherein the weatherable resin layer is formed of silicone colored in the same color as the exterior material.

According to a third aspect of the present invention, there is provided the exterior joint, wherein the weather-resistant resin layer is formed of chlorinated polyethylene.

[0010] According to a fourth aspect of the present invention, there is provided the exterior joint, wherein portions other than the weather-resistant resin layer are formed of synthetic rubber. And extruded integrally with the weather-resistant resin layer.

According to a fifth aspect of the present invention, there is provided the exterior joint, wherein the front side portion is provided in the opening between the ends of the exterior material in the exterior joint according to any one of the first to fourth aspects. It is characterized in that the front side portion is bent, and both side edges thereof come into contact with the end surface of the exterior material.

According to a sixth aspect of the present invention, there is provided the exterior joint, wherein the notch is formed at both longitudinal ends of the front side at intervals in the longitudinal direction. Are matched with the intervals of the pattern concave grooves formed on the surface of the exterior material.

Further, in the exterior joint according to the first aspect of the present invention, a water retaining locking piece that projects obliquely outward from both sides of the base side at a position on the back side of the front side is integrated in the longitudinal direction. will be extended to, both said water retaining engagement piece portion is bent to abut the leading end to the end surface of the outer package, through longitudinally該Gaiso material
Water stop lock with multiple formed hollow openings bent in the same way
It is characterized in that it is closed at one side .

Furthermore, the outer joint member according to claim 1 of the present invention is characterized by the formation of the bending groove in the middle of the upper Kisui locking engagement piece portion along the longitudinal direction.

According to a seventh aspect of the present invention, there is provided the outer joint, wherein the water retaining locking piece is formed in a hollow shape in the outer joint according to any one of the first to sixth aspects. Features.

An exterior joint according to an eighth aspect of the present invention is the exterior joint according to any one of the first to seventh aspects, which is attached and fixed to an inner bottom portion between the ends of the exterior material. And a joint receiving member that fits and holds the distal end portion of the base portion.

[0017]

In the exterior jointing device according to the first aspect of the present invention, a cross-section is substantially formed by a base portion which is fitted and fixed between ends of the exterior material and a front side portion which closes an opening between the ends of the exterior material. Since the weather-resistant resin layer is formed in a T-shape and covers the entire front side from the surface of the front side portion to both side edges, the entire exposed portion of the front side portion is covered with the weather-resistant resin layer. As a result, the weather resistance is improved, the deterioration and discoloration of the front side are prevented, and the elasticity of the front side is prevented from lowering. And the appearance is good.

In the exterior joint according to the second aspect of the present invention, in particular, since the weather-resistant resin layer is formed of silicone colored in the same color as the exterior material, the entire exposed portion of the front side portion is entirely covered. The color is the same as the exterior material, and the joint is finished so that it is not noticeable.

According to the third aspect of the present invention, in particular, since the weather-resistant resin layer is formed of chlorinated polyethylene, the surface of the front side portion is painted together with the surface of the exterior material during construction. In this case, the paint adheres without being repelled and is applied well.

In the exterior joint according to the fourth aspect of the present invention, since the portions other than the weather-resistant resin layer are formed of synthetic rubber, the base portion comes off due to the soft elasticity of the synthetic rubber. Separation is prevented, and the sealing effect improves the waterproofness. Further, since the parts other than the weather-resistant resin layer and the weather-resistant resin layer are integrally formed by extrusion, the exterior joint is easily manufactured.

In the exterior joint according to the fifth aspect of the present invention, since the front side enters into the opening between the ends of the exterior material and does not protrude, the joint is finished so as to be inconspicuous. In addition, since the front side portion is bent and both side ends are brought into contact with the end surface of the exterior material, it is securely sealed so that no gap is generated between the end surface of the exterior material and the waterproof property is improved. .

In the exterior joint according to claim 6 of the present invention, in particular, cutouts are formed at both ends of the front side at intervals in the longitudinal direction, and the interval between the cutouts is equal to the surface of the exterior material. Since it is matched with the interval of the pattern groove formed in the exterior groove, by applying the exterior joint so that the cutout is arranged corresponding to the pattern groove of the exterior material, the pattern groove of the exterior material It is possible to prevent both side edges of the front side portion from projecting from the surface of the portion.

[0023] Also, in the outer joint member according to the first aspect of the present invention, in particular, water stop locking pieces protruding toward obliquely table from both sides of the Motohen portion at the back side position than the table side portions in the longitudinal extends integrally over direction, the both water retaining engagement piece portion is contact with the end face of the tip by bending the outer package, the longitudinal direction in該Gaiso material
Water with a plurality of hollow openings formed in the same direction
Because the stopper is closed by the locking piece, it is sealed tightly so that there is no gap between it and the end face of the exterior material, and the waterproof property is improved. Moreover, the base portion is securely prevented from coming off. Is done.

Further, in the exterior joint according to the first aspect of the present invention, in particular, since the bending groove is formed in the longitudinal direction in the middle of the water retaining locking piece, the bending groove is formed. The water retaining locking piece is bent at the position of the groove, and the water retaining locking piece is bent evenly and its tip is stably abutted against the end face of the exterior material. the tip without the water stop locking piece portion Mau and bent from the root portion is securely abutted to the end face of Dogaiso material without overlapping in Table sides, waterproof is further improved.

In the exterior joint according to claim 7 of the present invention, in particular, since the water retaining locking piece is formed in a hollow shape, the water retaining locking piece has high elastic strength. ,
The above operation and effect are surely exhibited.

[0026] In the outer joint member according to claim 8 of the present invention, in particular, joint receiving member for holding fitting the tip portion of the Motohen portion inner bottom portion is attached fixed between the ends of the outer package Since it is provided, the base portion is securely fitted and fixed between the ends of the exterior material.

[0027]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An exterior joint shown in FIGS. 1, 2, 3 and 4 is an embodiment of the present invention and is the same as a base 2 fitted and fixed between the ends of an exterior 1. 1 is an exterior joint having a substantially T-shaped cross-section with a front side 3 that closes an opening between the ends of the first side, and a weather-resistant resin layer 4 is provided on the entire front side extending from the surface of the front side 3 to both side ends. It is formed by coating.

In the exterior joint of this embodiment, the weather-resistant resin layer 4 is formed of silicone colored in the same color as the exterior material 1, but the weather-resistant resin layer 4 is formed of chlorinated polyethylene. May be. Parts other than the weather-resistant resin layer 4 are formed of EPDM (ethylene propylene terpolymer) which is a synthetic rubber, and are extruded integrally with the weather-resistant resin layer 4. In this case, in addition to EPDM, EVA (ethylene vinyl acetate rubber), EPM (ethylene propylene rubber), or the like can be used as a synthetic rubber for forming a portion other than the weather-resistant resin layer 4. Considering the above, the EPDM is optimal.

Further, the front side portion 3 is provided in the opening between the ends of the exterior material 1.
The front side 3 is bent, and both side ends of the front side 3 are in contact with the end surface of the exterior material 1. Notches 5 are formed at both ends of the front side portion 3 at intervals in the longitudinal direction, and the intervals of the notches 5 correspond to the intervals of pattern concave grooves 6 formed on the surface of the exterior material 1. Have been. Further, at a position on the back side of the front side portion 3, a water retaining locking piece 7 projecting obliquely obliquely from both sides of the base side portion 2 is integrally extended in the longitudinal direction, and the water retaining locking portion 7 is provided. The one-sided portion 7 is bent so that its tip is in contact with the end surface of the exterior material 1. A concave groove 8 for bending is formed in the middle of the water retaining locking piece 7 in the longitudinal direction, and the water retaining locking piece 7 is bent at the position of the concave groove 8.

A joint receiving member 9 is attached and fixed to the inner bottom portion between the ends of the exterior material 1, and the distal end portion of the base portion 2 is fitted and held by the joint receiving member 9. The exterior material 1 is a horizontally long rectangular cement plate having a thickness of 18 mm and is laterally attached to the outer wall base surface a. At this time, the upper and lower end edges of the exterior material 1 are joined to each other via a real joint portion 10, and a joint space that is continuous in the vertical direction with a constant width is formed between the longitudinal ends of the exterior material 1, The joint receiving member 9 is attached and fixed to the inner bottom portion of the joint interval. in this case,
The pattern concave grooves 6 having the same width and size are formed on the surface of the actual bonding portion 10 of the exterior material 1 and the surface of the middle part of the exterior material 1 respectively. The exterior material 1 is formed by extrusion molding and has a plurality of hollow openings 11 penetrating in the longitudinal direction thereof. The hollow openings 11 are closed by the water retaining locking pieces 7. You.

The main body portion of the exterior joint consisting of the base portion 2 and the front side portion 3 is integrally extruded as described above. An extended side portion 12 consisting of only the weather-resistant resin layer 4 is formed, and the cutout portion 5 is formed in the range of the extended side portion 12 by post-processing. Therefore, the weather resistant resin layer 4
Are exposed, and the weather resistance in the notch 5 is secured. Further, a protruding side portion 13 is formed at a distal end portion of the base side portion 2, and two upper and lower fin portions 14 protrude from both side surfaces of the protruding side portion 13.

The joint receiving member 9 is formed in a substantially inverted T-shape in cross section by a band-shaped plate portion 15 and an upright wall portion 16 projecting from the center of the front side of the band-shaped plate portion 15 in the longitudinal direction. A groove 17 is formed in the middle of 16, a chamfered inclined surface 18 is formed at both groove opening edges of the groove 17, and two upper and lower protrusions 19 are formed on both inner side surfaces of the groove 17. It is protruding. The groove
The protruding side portion 13 of the base portion 2 is smoothly inserted and fitted into the base 17 due to the presence of the chamfered inclined surface 18, and after the insertion and fitting, the fin portion 14 is locked to the convex ridge 19. Then, the distal end portion of the base portion 2 is securely fitted and held in the joint receiving member 9 so as not to come off.

The joint receiving member 9 is formed by extruding flexible polyvinyl chloride. In this case, a thin reinforcing core member made of a galvalume steel plate is formed on the strip-shaped plate portion 15.
20 are inserted. On the surface of the band-shaped plate portion 15, two water-stopping ridges 21 are provided on both sides of the standing wall portion 16 respectively. The return piece 22 is formed in the longitudinal direction, and the water stop ridge 21 and the water return piece 22 are pressed against the back surface of the exterior material 1, thereby preventing water from entering the back side of the exterior material 1. In this case, a concave step 23 is formed on the surface near both side edges of the band-shaped plate portion 15, and the water return piece 22 to be pressed and deformed is accommodated in the concave step 23, and the water return piece is formed. 22 is thinly packed with sufficient elasticity.

FIG. 1 shows a state in which the joint gap width H is 14 mm, and FIG. 4 shows a joint gap width dimension H of 10 mm.
It shows the construction state in case of mm. Thus, even when the joint interval width dimension H is different, the degree of upward bending of both sides of the front side portion 3 and the degree of upward bending of the bending groove 8 of the water retaining locking piece 7. Can be easily responded to by changing. In addition, in the construction state of FIG.
Are in line contact with the end surface of the exterior material 1. In the construction state shown in FIG. 4, both end portions of the front side portion 3 and the tip end of the water stop locking piece 7 are located at lower positions. Is in contact with the end surface of the exterior material 1 in a surface contact manner.

The procedure for installing the external joint of this embodiment is, for example, as follows. First, the joint receiving member 9 is arranged and fixed at a predetermined position on the outer wall base surface a.
Nail (not shown) at the part where the reinforcing core material 20 is inserted
Is fixed, and the exterior material 1 is juxtaposed on both sides of the joint receiving member 9 and the end of the exterior material 1 is attached to the band-shaped plate portion 15.
Then, the main body portion of the exterior joint consisting of the base portion 2 and the front side portion 3 is attached to the joint receiving member 9. Thus, the construction state shown in FIG. 1 or FIG. 4 is obtained.

Therefore, in the exterior joint of this embodiment, the entire exposed portion including both side edges of the front side portion 3 is covered with the weather resistant resin layer 4 to improve the weather resistance. Since the front side 3 is prevented from deteriorating and discoloring and its elasticity is also prevented from being reduced, the front side 3 ensures that the opening between the ends of the exterior material 1 is waterproof and has a good appearance for a long time. It is filled up.

In the exterior joint of this embodiment, the weather-resistant resin layer 4 is formed of silicone colored in the same color as the exterior material 1 so that the entire exposed portion of the front side 3 is covered with the exterior material. It becomes the same color as 1 and is finished so that the joints are not noticeable. When the surface of the front side portion 3 is to be painted and finished together with the surface of the exterior material 1 at the time of construction, the weather-resistant resin layer 4 is formed of chlorinated polyethylene instead of the highly water-repellent silicone. The paint adheres without being repelled, and is applied well. Moreover, since the portion other than the weather-resistant resin layer 4 is formed of synthetic rubber, the soft elasticity prevents the base portion 2 from coming off and improves the waterproofness. The main body portion consisting of the base side portion 2 and the front side portion 3 is easily manufactured integrally by extrusion molding.

Further, the front side portion 3 is provided in the opening between the ends of the exterior material 1.
And the joint part is finished so as to be inconspicuous, and the front side part 3 is bent so that both side ends abut against the end face of the exterior material 1, and a gap is generated between the end face of the exterior material 1. It is sealed tightly so as not to improve the waterproofness. In addition, the notch 5 formed at both ends of the front side portion 3 with a gap in the longitudinal direction is arranged corresponding to the pattern groove 6 of the exterior material 1 and is constructed. It is possible to prevent both side edges of the front side portion 3 from protruding from the surface of the portion 6.

Further, since the water stopper locking piece 7 projecting obliquely outward from both sides of the base 2 is bent and its tip comes into contact with the end face of the exterior material 1, the end face of the exterior material 1 is It is securely sealed so that there is no gap between it and the waterproofness is improved,
Moreover, the base portion 2 is reliably prevented from coming off. In this case, since the water retaining locking piece 7 is bent at the position of the bending groove 8 formed in the middle thereof, the water retaining locking piece 7 bends evenly and the tip thereof is covered with the exterior. are stably abut the end surface of the timber 1, moreover, the tip without even the water stop locking piece portion 7 is Mau and bent from the root portion of the Dogaiso member 1 without overlapping the Omotehen 3 It is reliably contacted with the end face, and the waterproofness is further improved.

The distal end of the base portion 2 is fitted and held by the joint receiving member 9 attached and fixed to the inner bottom portion between the ends of the exterior material 1. The base 2 is securely fitted and fixed. In this case, the joint receiving member 9 is formed as described above, and the base portion 2 is inserted into the concave groove 17 of the joint receiving member 9.
The insertion of the protruding side portion 13 prevents the invasion of water to the back side of the exterior material 1 and also makes the fitting and fixing work simple and reliable.

The exterior joint shown in FIG. 5 is another embodiment of the present invention. In the exterior joint of this embodiment, the water retaining and locking piece 7 is formed in a hollow shape. The elastic strength of the water retaining locking piece 7 is high, and the operation and effect of the above embodiment can be more reliably exhibited. Also, in this case,
An auxiliary bending groove 25 having the same function as the bending groove 8 is also formed on the inner and lower surfaces of the hollow portion 24 of the water retaining locking piece 7. Otherwise, the configuration is the same as in the above embodiment,
The same operation and effect as those of the above embodiment can be obtained.

[0042]

[0043]

[0044]

[0045]

[0046]

As described above, in the exterior joint according to the first aspect of the present invention, the entire exposed portion of the front side is covered with the weather resistant resin layer, and the weather resistance is improved. In addition, deterioration and discoloration of the front side are prevented, and the elasticity of the front side is also prevented from lowering, so that the opening between the ends of the exterior material is sealed with good waterproofness and good appearance over a long period by the front side.

In the exterior joint according to the second aspect of the present invention, in particular, the weather-resistant resin layer is formed of silicone colored in the same color as the exterior material, and the entire surface of the exposed front side is exposed. Is the same color as the exterior material, and the joints are finished so that they are not noticeable.

In the exterior joint according to the third aspect of the present invention, in particular, the weather-resistant resin layer is formed of chlorinated polyethylene, and the surface of the front side is painted together with the surface of the exterior material during construction. When finishing, the paint adheres without being repelled and is painted well.

In addition, in the exterior joint according to the fourth aspect of the present invention, particularly, a portion other than the weather-resistant resin layer is formed of synthetic rubber, and the base portion of the joint is detached due to its soft elasticity. It is prevented and the waterproofness is improved, and the exterior joint is easily manufactured integrally by extrusion.

In the exterior jointing device according to the fifth aspect of the present invention, in particular, the joint portion is finished so as to be inconspicuous because the front side enters the opening between the ends of the exterior material.
The front side portion is bent and both side ends are brought into contact with the end surface of the exterior material, and the airtightness is securely sealed so that no gap is generated between the front surface side portion and the end surface of the exterior material, thereby improving waterproofness.

In the exterior joint according to the sixth aspect of the present invention, in particular, cutouts formed at both ends of the front side at intervals in the longitudinal direction correspond to the pattern concave grooves of the exterior. By doing so, it is possible to prevent both side edges of the front side from projecting from the surface of the pattern concave groove portion of the exterior material.

In the exterior joint according to the first aspect of the present invention, in particular, the water retaining locking piece projecting obliquely outward from both sides of the base side is bent, and its tip is formed by the end face of the exterior material. Has a plurality of hollow openings penetrating in the longitudinal direction
Is improved waterproofness is securely closed so that a gap does not occur between the end face of the outer package, moreover, pulling away of the group sides is reliably prevented.

Further , in the exterior joint according to the first aspect of the present invention, in particular, the water stopper locking piece is bent at a position of a bending groove formed in the middle thereof, and the water stopper is provided. engaging piece portion is uniformly and stably abutted against the end face of the bent and its tip exterior materials, and its tip without even the water stop locking piece portion Mau and bent from the root portion table It is securely contacted with the end surface of the exterior material without overlapping the side portion, and the waterproofness is further improved.

In the exterior joint according to claim 7 of the present invention, in particular, the water-retaining locking piece is formed in a hollow shape and has a high elastic strength, so that the above-mentioned operation and effect are surely exhibited. Is done.

In the exterior jointing device according to the eighth aspect of the present invention, in particular, the front end portion of the base portion is fitted to the joint receiving member fixed to the inner bottom portion between the ends of the exterior material. While being held, the base portion is securely fitted and fixed between the ends of the exterior material.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a construction state of an exterior joint according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of a main part in the construction state.

FIG. 3 is an exploded cross-sectional view of the exterior joint.

FIG. 4 is a cross-sectional view showing different construction states of the external joint.

FIG. 5 is an exploded cross-sectional view of an external joint according to another embodiment.

FIG. 6 is a cross-sectional view showing a construction state of a conventional exterior joint of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Exterior material 2 Base part 3 Front side part 4 Weatherproof resin layer 5 Notch part 6 Pattern recessed part 7 Water stop locking piece part 8 Bending concave groove 9 Joint receiving member

Continuation of the front page (56) References JP-A 4-53904 (JP, U) JP-A 4-113604 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) E04B 1 / 684

Claims (8)

(57) [Claims] 1. An exterior joint having a substantially T-shaped cross-section formed by a base portion fitted and fixed between ends of an exterior material and a front side portion closing an opening between the ends of the exterior material. A weather-resistant resin layer is formed to cover the entire front side from the surface of the front side to both side edges, and is oblique from both sides of the base side at a position on the back side of the front side.
Push the water stopper locking piece protruding outward to the longitudinal direction.
It is extended to the body and bent in the middle
Groove is formed in the longitudinal direction,
The two water stop locking pieces are bent at the position of the concave groove.
The tip abuts against the end surface of the exterior material, and
Water stop with multiple hollow openings formed in the same bend
Exterior joints that are closed at the locking piece . 2. The exterior jointing material according to claim 1, wherein the weatherable resin layer is formed of silicone colored in the same color as the exterior material. 3. The exterior jointing material according to claim 1, wherein said weatherable resin layer is formed of chlorinated polyethylene. 4. The method according to claim 1, wherein a portion other than the weather-resistant resin layer is formed of synthetic rubber and is extruded integrally with the weather-resistant resin layer. Exterior joints. 5. The front side portion enters into an opening between the ends of the exterior material, and the front side portion is bent, and both side ends thereof are in contact with an end surface of the exterior material. The exterior joint filler according to any one of claims 1 to 4. 6. A notch portion is formed at both ends of a front side portion in the longitudinal direction with an interval in the longitudinal direction, and the interval of the notch portion is matched with the interval of a pattern groove formed on the surface of the exterior material. The exterior jointing material according to claim 5, characterized in that: 7. A water stop locking piece section of any one of claims Symbol <br/> outer joint member of the mounting of the preceding claims, characterized in that it has a hollow shape. 8. Any of claims 1-7, characterized in that the front end portion of which is attached fixed to the inner bottom portion between the ends of the outer package Motohen unit comprises a joint receiving member for fitting held An exterior joint according to any one of the preceding claims.