JPH11336207A - Joint sealing material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a joint sealing material capable of surely sealing a joint groove with a dry system and being easily executed at a low cost without impairing the beauty. SOLUTION: A seal structural material 6 is monolithically provided continuously to the surface of a joint joiner 4. The seal structural material 6 is constituted of side plates 12 and sealing pieces 14a, 14b and 14c. Then, heartwood 10 pushed between both side plates 12 and 12 of the seal structural material 6 is so formed that a core section 10A and a collar plate of a head section 10B are continuously provided in an approximately T-shaped section. An interlocking section 16 is provided inside both side plates 12 and the core section 10A of the heartwood 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint material to be installed in joint grooves where it is necessary to ensure watertightness between adjacent wall materials in a building.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 11, as a means for sealing joint grooves between adjacent wall covering materials A such as siding in a building, a hat-shaped joint joiner 150 is provided on a base such as a rim. It fixes to the material 151, and the edge part of the wall surface exterior material A is made to contact | abut the convex part both sides 150a of the joiner 150, and the sealing material 152 is filled in the joint groove formed by this, and the watertightness of the joint groove is improved. I try to raise it.

[0003] However, the conventional means for sealing joint grooves using a sealing material is to apply a masking so as to prevent the sealing material from adhering to the wall exterior material A, and then apply the sealing material 152 at the time of construction. It is necessary to fill, not only the work is troublesome,
Since the surface of the sealing material 152 needs to be constructed as flat as possible so as not to impair the appearance, the construction requires skill. In addition, spots may occur when the sealing material is filled, and the sealing effect cannot always be enhanced.

[0004]

SUMMARY OF THE INVENTION An object of the present invention is to make it possible to reliably seal a joint groove which needs to ensure watertightness between adjacent wall cladding materials of a building, and to impair the appearance. It is an object of the present invention to provide a joint material that can be easily and inexpensively constructed without using the joint material. Another technical object of the present invention is to provide a joint material that can be securely sealed in a dry manner without using the sealing material. Still another technical object of the present invention is to obtain a simple and reliable seal structure by performing a double dry seal with a simple structure.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the joint material of the present invention is provided on a surface of a synthetic resin joint joiner which is disposed between a wall exterior material on a lower ground surface of a building exterior. In addition, a seal structure material is continuously connected integrally, the seal structure material includes flexible left and right side plates, and soft seal pieces protruding from outer surfaces of the side plates,
A core material to be pushed between the side plates of the seal structure material is to push and spread both side plates by pushing between the side plates, and a core portion which presses the seal piece on the outer surface of those side plates to the inner wall surface of the joint groove. And a flange plate at the head for sealing the joint groove mouth portion is formed by connecting them in a substantially T-shaped cross-section. An engaging portion is provided, which is engaged with each other at the time of pushing into the structural material and holds the core material between both side plates of the sealing structural material in a retaining state. The seal pieces protruding from the outer surfaces of both side plates of the seal structure material can be formed of a plurality of soft sealing tongues integral with the side plates. Further, the engagement between the side plate and the core portion of the core material can be performed at the base end portion or the distal end portion of the core portion with the corresponding engagement portion on the side plate side.

In the joint material of the present invention having the above-described structure, first, the joint member is disposed with the seal structure material located between the wall covering materials, and the wall covering material is fixed in that state, and then the sealing structure material is fixed. Press the core of the core material between both side plates.
Thereby, at the same time as the flange plate at the head of the core material primarily seals the joint groove opening, the both side plates of the seal structure material are expanded and the sealing piece on the outer surface of the side plate is pressed against the inner wall of the joint groove. Perform a secondary seal, furthermore, the engaging portions provided on the core portion of the core material in both side plates in the seal structure material are engaged with each other, and the core material is prevented from being pulled out between both side plates in the seal structure material. Since it is held, the watertightness can be reliably maintained, and at the same time, it is possible to sufficiently cope with variations in the width of the joint groove.

Therefore, it is possible to provide a joint material that can be easily dry-installed in a joint groove in which it is necessary to ensure watertightness between adjacent wall exterior materials of a building without impairing aesthetic appearance. In addition, the joint joiner itself has a structure to easily seal the joint groove, and at the same time, the structure does not require the use of a wet sealing material, eliminating the need for masking and manual filling of the sealing material. Thus, reliable sealing can be performed easily and inexpensively.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the joint material of the present invention will be described below in detail with reference to the drawings.
(A) and (b) show a first embodiment of the joint material of the present invention. In FIG. 1, reference numeral 2 denotes a joint material for sealing joint grooves such as a joint portion of a building wall exterior material (siding or other exterior panel) A. The joint material 2 is an adjacent wall exterior material in a building. The joint is mainly intended for joint grooves that need to ensure watertightness between the materials A, and is roughly composed of joint jointers 4, a seal structure member 6 integrated therewith, and a core member 10.

As shown in FIG. 1, the jointer 4 is attached to a frame of a building through a waterproof sheet B, which is used as necessary, to attach a rim C of the lower ground of the exterior. A strip-shaped member disposed between the adjacent wall covering materials A on the edge C and fixed to the body edge C with a nail D1 or the like. As clearly shown in FIG. 2B, the left and right side plates 12 and 12 made of thermoplastic relatively hard synthetic resin are integrally formed with the seal structure material 6 continuously connected to the surface of the joint joiner 4. Are formed so as to be contiguous with the joint joiner 4 at the base end thereof, and the respective side plates 12, 12 are substantially formed in a direction in which the space for inserting the core material 10 therebetween is narrowed. ”. Then, three pairs of sealing tongue pieces 14a, 14b, 14 made of a thermoplastic soft synthetic resin are integrally formed on the upper, lower and central portions of the outer side surfaces of the both side plates 12.
c is protruding. These sealing tongue pieces 14a, 14
b and 14c constitute a sealing piece for sealing the joint groove (secondary sealing).

As shown in FIGS. 1 and 2 (a), the core material 10 has a core portion 10A formed of a relatively hard synthetic resin having a hollow portion at the center and a joint groove mouth portion. It is formed in a substantially T-shaped cross-section by integrally connecting the covering head 10B and the head 10B. The head 10B of the core member 10 is made of a thermoplastic relatively soft synthetic resin that covers the joint groove mouth while the two wings 10b are in frictional contact with the joint groove inner wall W to seal (primary seal). It is a collar plate. Since the flange plate of the head portion 10B is integrated with the upper flat surface of the core portion 10A except for both ends, when it is pressed into the joint groove, the portion integrated with the core portion 10A forms a flat surface. Then, only both ends are in a state of being strongly pressed against the joint groove inner wall W,
The appearance is also very beautiful.

At the upper end of the inner side surface of the both side plates 12 of the seal structure member 6, engaging hooks 16A are provided to face each other.
When the core 10 is pushed into the sealing structure 6 by engaging the engagement groove 16B at the base end of the core 10A, which is a portion connected to the core 10A, the engagement hooks are provided. 16
A and the engaging groove 16B are engaged with each other to form an engaging portion 16 that holds the core member 10 between the two side plates 12 in the seal structure member 6 in a retaining state. In addition, 1 in the figure
Reference numeral 8 denotes a ridge for setting the width of the joint groove up to that limit. The minimum width of the joint groove is limited by contacting the end surface of the wall covering material A with the ridge 18, or the appropriate width is set. To set. The ridge 18 can be omitted as necessary, but can be provided in each of the embodiments described below.

When the joint member 2 of the first embodiment of the present invention having the above-described configuration is applied, first, the joint member 4 is disposed with the seal structural member 6 positioned between the wall surface covering members A, Then, the core 10A of the core material 10 is fixed between the both side plates 12 and 12 of the seal structure material 6.
Press in. As a result, the flange plate of the head 10B of the core member 10 primarily seals the joint groove opening, and at the same time, the core member 10A pushes the both side plates 12 of the sealing structural member 6 apart, and seal tongue pieces on the outer surface of the side plate 12 14a, 14b, 1
4c is pressed against the inner wall W of the joint groove to perform a secondary seal,
Further, an engagement ridge 16A formed on both side plates of the seal structure material 6 and an engagement groove 1 formed on a core 10A of the core 10 are formed.
6B are engaged with each other, and the core material 10 is
Is held between the two side plates 12 in the state of being pulled out, it is possible to reliably maintain the watertightness, and it is possible to sufficiently cope with variations in the width of the joint groove.
Further, the side plates 12, 12 are bent so as to form a substantially "<" shape in a direction in which the space for inserting the core material between them is narrowed. In order to insert the core material 10 whose both side surfaces of the core portion 10A are substantially parallel to each other, the sealing tongue pieces 14a, 14b, 14c are strongly attached to the end surface of the exterior material when the joint material is arranged between the wall exterior materials. Although there is no pressure contact and no hindrance to the work, the side plates 12, 12
When the core material 10 is press-fitted between the seal tongue pieces 14a, 14a,
The press-contact forces b and 14c act favorably on the inner wall W of the joint groove, so that a good sealing effect can be obtained.

[0013] According to such a joint material, it is possible to easily and dry-install the joint groove in which it is necessary to ensure watertightness between the adjacent wall covering materials A of the building without impairing the aesthetic appearance. In addition, the sealing structure 6 for easily sealing the joint groove is integrally provided in the joint joiner 4 itself, and at the same time, it is not necessary to use a wet sealing material. Eliminating the necessity of work such as material filling, reliable sealing can be performed easily and inexpensively.

FIGS. 3A and 4B show a second embodiment of the present invention. The joint material 22 of the second embodiment has the same main configuration as that of the first embodiment.
An engaging portion 36 for keeping the retaining state between 2, 12 is provided.
It is configured as shown in FIGS. 3 and 4 (a) and (b). That is, the engaging portion 36 is provided with an engaging ridge 36A having hooks 36a on both sides of an upper end portion substantially at the center between the two side plates 12 in the seal structure material 6, and
A pair of core plates 10a substantially parallel to the core portion 10A of the core material 10,
10a, engaging hooks 3 which are mutually engaged with the hooks 36a of the engaging ridges 36A at the ends of the respective core plates 10a.
6B, the core material 10 is prevented from slipping between the two side plates 12, 12 of the seal structure material 6 by the mutual engagement of the hook 36a and the engagement hook 36B in the engagement ridge 36A. I keep it. The other structure and operation of the joint member 22 of the second embodiment are substantially the same as those of the first embodiment. Therefore, the same reference numerals are given to the same or corresponding parts, and the description thereof will be omitted. Omitted.

FIGS. 5 and 6A and 6B show a third embodiment of the present invention. Joint material 42 of the third embodiment
5 and FIG. 6 (b), a seal structural member 46 composed of left and right side plates 52, 52 which are substantially parallel to each other is integrally connected to the surface of the jointer 44 at the base end thereof, as clearly shown in FIGS. At the same time, the base end portions of both side plates 52 of the seal structure member 46 are connected to each other by a bottom plate 53 made of thermoplastic synthetic resin whose center is bent upward. Then, both side plates 5 of the seal structure material 46 are formed.
As clearly shown in FIGS. 5 and 6A, a recess corresponding to the shape of the bottom plate 53 between the side plates 52, 52 is formed at the end of the core 50A of the core material 50 inserted between the two plates 52. Groove 5
0a is formed. In addition, above and below the outer surface of each side plate 52 in the seal structure 46,
A pair of sealing tongue pieces 54a and 54b integrally formed with the thermoplastic soft synthetic resin are provided so as to protrude. Further, on the inner side surface of each side plate 52, a ridge 57 is provided to keep the space between the side plate 52 and the core portion 50A of the core member 50 in an expanded state when the bottom plate 53 is pushed open.

In applying the joint member 42 of the third embodiment having the above-described configuration, first, the joint D1 is cast into the joint hole 55 of the joint joiner 44 at a required interval in the longitudinal direction thereof. To fix the exterior material A so that the seal structure material 46 is located between the wall exterior materials A in this state. At this time, it is appropriate that the nail hole 55 drilled in the joint jointer 44 is a long hole formed long in the width direction of the joint groove so that the joint jointer 44 can be shifted by the expansion and contraction of the bottom plate 53. is there. A core portion 50A of the core member 50 between the side plates 52, 52 of the seal structure member 46.
Into the groove 50a at the end of the core 50A.
3, the bottom plate 53 is pushed right and left, and the sealing tongues 54a and 54b on the outer surface of the side plate 52 are further strengthened, and the inner wall of the joint groove is uniformly uniform as a whole. It is pressed against W.

The joint material 42 can be expanded and contracted in the width direction of the joint groove by forming a bottom plate 53 connecting between the base ends of both side plates 52, 52 to be convex upward with synthetic resin. And the joint joiner 44 can be displaced and moved in the width direction of the joint groove.
The bottom plate 53 is appropriately stretched and positioned at an optimum position for sealing the joint groove, and the bottom plate 53 is opened to open the side plates 5.
The sealing tongue pieces 54a and 54b of the second and second 52 can ensure reliable sealing and can cope with variations in the width of joint grooves. The other construction and operation of the joint member 42 of the third embodiment are substantially the same as those of the first and second embodiments, and the same reference numerals are given to the same or corresponding parts. , And the description thereof will be omitted.

FIGS. 7A and 8B show a fourth embodiment of the present invention. The joint material 6 of the fourth embodiment is shown in FIGS.
2, as shown in FIGS. 7 and 8B, a seal structure member 66 composed of left and right side plates 72, 72 which are substantially parallel to each other is integrally connected to the surface of the joint joiner 64 at the base end thereof. A pair of seal tongue pieces 74a, 74b integrally formed with a thermoplastic soft synthetic resin and projecting above and below the outer surface of each side plate 72 are provided. The core 70 to be inserted between the side plates 72, 72 is shown in FIG.
As shown in FIG. 8A and FIG.
It is formed in a wedge shape narrowing in the distal direction from a portion connected to B. Then, both side plates 7 in the seal structure member 66 are formed.
An engaging hook 76A is provided at the upper end of the inner side surface of the core member 2 and an engaging groove 76B is formed at a base end of the core 70A, which is a continuous portion between the core 70A and the head 70B of the core 70. The recess 70 is provided so that the core 70 is
An engaging portion 76 is formed between the side plates 72 and 72 to keep the pull-out state. In the joint material of the fourth embodiment, the core portion 70A is formed in a wedge shape to facilitate the press-fitting, but other configurations and operations are substantially the same as those of the first embodiment. Since there is no change, the same or corresponding parts are denoted by the same reference numerals and description thereof will be omitted.

FIG. 9 shows a fifth embodiment of the present invention.
As shown in the drawing, the joint material 82 of the fifth embodiment is formed by the side plates 72, 7 of the seal structural member 66 of the fourth embodiment.
2, two semi-cylindrical sealing pieces 94a, 94b made of a soft synthetic resin are protruded from the outer surface of each of the sealing pieces 94a, 94b. Seal ridges 95a and 95b are provided so as to be in pressure contact with the ridges. Note that the joint material of the fifth embodiment is a seal piece 9
4a and 94b are used to obtain a proper pressing force of the sealing ridges 95a and 95b against the joint groove inner wall W. However, other configurations and operations are substantially the same as those of the fourth embodiment. Therefore, the same or corresponding parts are denoted by the same reference characters and description thereof will be omitted. You. Also,
The seal piece provided on the side plate of the seal structure material is not limited to the structure shown in each of the above-described embodiments, and may be configured by, for example, attaching a line of a closed cell foam of a soft synthetic resin to an outer surface of the side plate. Can also.

In the above-described third and fourth embodiments, the engaging portion 76 for holding the core member 70 between the two side plates 72, 72 of the seal structure member 66 in a retaining state is provided at the upper end of the inner side surface of the both side plates 72. And an engagement groove 76B recessed in the base end of the core 70A, which is a continuous portion between the core 70A and the head 70B of the core 70. As an example, the engaging hook 76A and the engaging groove 76B are configured to engage with each other. However, the present invention is not limited to this, and the joint material 102 of the sixth embodiment shown in FIG. The hooks 116 formed by bending the lower portions of the both side plates 112 of the sealing structure material 106 integrally formed with the joint joiner 104 toward the inner side surfaces of the side plates 112 like the engagement portions 116 in FIG.
A and engaging hooks 116B formed on both sides of the tip of the core 110A in the core 110, and the mutual engagement between the hooks 116A and the engaging hooks 116B makes the core 110 Can be held between the side plates 112 and 112 in the seal structure material 106 in a retaining state. In the sixth embodiment, an engaging portion 76 similar to that of the fourth embodiment may be provided.

[0021]

As described above, according to the present invention, a joint material that can be easily dry-installed in a joint groove where it is necessary to ensure watertightness between adjacent wall cladding materials of a building without impairing aesthetic appearance. Can be provided. In particular, this joint material
Primary sealing of the joint groove is performed primarily by the core material inserted between the pair of side plates constituting the seal structure material, and secondary sealing is performed by the sealing piece on the outer surface of the side plate that is expanded by the core of the core material. Therefore, the joint groove can be sealed very reliably. In addition, the joint joiner itself has a structure to easily seal the joint groove, and at the same time, the structure does not require the use of a wet sealing material, eliminating the need for masking and manual filling of the sealing material. Thus, reliable sealing can be performed easily and inexpensively.

[Brief description of the drawings]

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

FIG. 2A is a cross-sectional view of a core material in the joint material of the first embodiment, and FIG. 2B is a cross-sectional view of a joint joiner integrated with the seal structure material.

FIG. 3 is a cross-sectional view showing a state after construction of a joint material according to a second embodiment of the present invention.

FIG. 4A is a cross-sectional view of a core material of a joint material according to a second embodiment, and FIG. 4B is a cross-sectional view of a joint joiner integrated with the seal structure material.

FIG. 5 is a cross-sectional view showing a state after construction of a joint material according to a third embodiment of the present invention.

FIG. 6A is a cross-sectional view of a core material in a joint material according to a third embodiment, and FIG. 6B is a cross-sectional view of a joint joiner integrated with the seal structure material.

FIG. 7 is a cross-sectional view showing a state after construction of a joint material according to a fourth embodiment of the present invention.

8A is a cross-sectional view of a core material of a joint material according to a fourth embodiment, and FIG. 8B is a cross-sectional view of a joint joiner integrated with the seal structure material.

FIG. 9 is a sectional view showing a state after construction of a joint material according to a fifth embodiment of the present invention.

FIG. 10 is a sectional view showing a state after construction of a joint material according to a sixth embodiment of the present invention.

FIG. 11 is a sectional view of a conventional example.

[Explanation of symbols]

2,22,42,62,82,102 Joint material 4,44,64,104 Joint joiner 6,46,66,106 Seal structure material 10,50,70,110 Core material 10A, 50A, 70A, 110A Core part 10B, 50B, 70B, 110B Head 12, 52, 72, 112 Side plate 14a, 14b, 14c, 54a, 54b, 74a, 7
4b Seal tongue 16, 36, 76, 116 Engaging portion 94a, 94b Sealing piece A Wall exterior material W Inner wall

Claims (4)

[Claims] A seal structure is integrally provided on a surface of a synthetic resin jointer which is disposed on a lower ground of a building exterior and between wall surface exterior materials. It has left and right side plates having flexibility, and soft seal pieces protruding from the outer surfaces of the side plates, and a core material to be inserted between the side plates of the seal structure material is inserted between the side plates. A core portion for pressing the sealing pieces on the outer side surfaces of the side plates against the inner wall of the joint groove, and a flange plate of a soft head for pressing and sealing the joint groove mouth portion to seal the joint portion. Are formed so as to have a substantially T-shaped cross-section, and are engaged with each other in both side plates in the seal structure material and the core portion of the core material when the core material is pushed into the seal structure material. An engaging portion is provided between the two side plates of the sealing structure material to hold the core material in a retaining state. And, joint fillers, characterized in that. 2. The joint material according to claim 1, wherein the seal pieces protruding from the outer surfaces of both side plates of the seal structural member are formed of a plurality of soft sealing tongue pieces integrally with the side plates. Joint material characterized by the following. 3. The joint material according to claim 1, wherein an engaging portion for mutually engaging is provided at an upper end of the inner surface of the side plate and a base end of the core portion of the core material. Jointing material. 4. The joint material according to claim 1, wherein an engaging portion for mutually engaging is provided on a base end side of the side plate and a distal end of the core portion of the core material. Jointing material.