CA2544930C - Joint member - Google Patents

Joint member Download PDF

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Publication number
CA2544930C
CA2544930C CA 2544930 CA2544930A CA2544930C CA 2544930 C CA2544930 C CA 2544930C CA 2544930 CA2544930 CA 2544930 CA 2544930 A CA2544930 A CA 2544930A CA 2544930 C CA2544930 C CA 2544930C
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CA
Canada
Prior art keywords
joint
external wall
cover
groove portion
construction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA 2544930
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French (fr)
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CA2544930A1 (en
Inventor
Hiroshi Ito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nichiha Corp
Original Assignee
Nichiha Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nichiha Corp filed Critical Nichiha Corp
Priority to CA2746777A priority Critical patent/CA2746777C/en
Priority to CA 2544930 priority patent/CA2544930C/en
Publication of CA2544930A1 publication Critical patent/CA2544930A1/en
Application granted granted Critical
Publication of CA2544930C publication Critical patent/CA2544930C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00Coverings or linings, e.g. for walls or ceilings
    • E04F13/07Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0889Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements characterised by the joints between neighbouring elements, e.g. with joint fillings or with tongue and groove connections
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F19/00Other details of constructional parts for finishing work on buildings
    • E04F19/02Borders; Finishing strips, e.g. beadings; Light coves

Abstract

To provide a joint member capable of forming a joint portion that can be easily constructed and has an excellent design and a high waterproof capacity even if it is manufactured at a low cost. A joint member 1 is composed of a hat joiner 10 and a joint cover 20, and the hat joiner 10 is composed of a base plate 11 to be fastened to the body side of building frame and a convex portion 12 protruding from the base plate 11 to the surface side. The joint cover 20 is provided with a joint groove portion 21 that covers a top surface 12c of the convex portion 12 in the course of construction, and a lower edge portion 23 extending from the lower end of the joint groove portion 21 and brought into contact with the surface of an external wall panel 30B in the course of construction. An elastic water proof material 26 is attached to the rear surface of the lower edge portion 23.

Description

JOINT MEMBER
BACKGROUND OF THE INVENTION

[0001] 1. Field of the Invention [0002] The present invention relates to a joint member that is fixed between the vertically adjacent external wall panels when an external wall panel is fastened to an external wall portion of a building.
[0003] 2. Description of the Related Art [0004] In order to improve a design of the external wall of a building, an external wall panel such as fiber reinforced cement siding having a surface pattern of, for example, a natural stone style or a brick style, is fastened to the external wall portion of the building. As a manner of fastening an external wall panel to a side of the building frame, there is a method called a horizontal boarding to put the longitudinal side of the panel in a lateral (horizontal) direction. Another method called a vertical boarding calls for fastening the panel with its longitudinal side put in a vertical direction (from up to down). The external wall panels used for the vertical boarding normally have flat upper and lower end surfaces, and shiplap portions at the right and left ends. Thus external wall panels adjacent to each other at their right and left ends are joined edge by edge via the shiplap portions. On the other hand, joining the external wall panels adjacent to each other vertically requires an appropriate member that intervenes between the ends of the external wall panels.
[0005] FIG. 7 is a cross sectional view showing an example of a joint portion between upper and lower external wall panels fastened by vertical boarding. This example shows that the vertically adjacent external wall panels 30A, 30B are fastened to a lateral furring strip 91 by means of a nail 95 while a convex portion 42 of a hat joiner 40 is sandwiched between the said external wall panels. A sealing material 97 is filled over the hat joiner 40. The lateral furring strip 91 is fixed to a post or a stud (not illustrated) via a building paper 93.
The hat joiner 40 is composed of a base plate 41 that serves as a fixed surface to the lateral furring strip 91 and the convex portion 42 that protrudes to the surface side of the base plate 41, and by using this hat joiner 40, a desired space is formed between the upper and lower external wall panels 30A and 30B.
[0006] FIG. 8a shows another construction example of a vertical boarding. According to this construction example, the upper and lower external wall panels 30A and 30B are fastened with an intermediate throating 50 sandwiched therebetween. The intermediate throating 50 is composed of a base plate 51 that serves as a fixed surface to the lateral furring strip 91, a step portion 52 that is formed at the lower end of the base plate 51, and a throating portion 53 that extends from the lower end of the step portion 52 to the surface side. As shown in the drawing, the lower end of the upper external wall panel 30A is mounted on the step portion 52 of the intermediate throating 50 with the throating portion 53 protruding from the space between the upper and lower external wall panels 30A and 30B to the surface side.
Then, the external wall panels 30A and 30B are fixed to the lateral furring strip 91, with nails 95 driven through the surfaces of said external wall panels.
[0007] Further, as an example similar to the intermediate throating 50, an intermediate throating without the step portion 52 is also used in many cases.
[0008] FIG. 8b shows still another construction example of a vertical joint portion (refer to Patent document 1).
In FIG. 7 and FIG. 8a, the external wall panels 30A and 30B are fastened by using the nail 95, however, in the construction example shown in FIG. 8b, an intermediate throating 60 fixed between the upper and lower external wall panels 30A and 30B holds the upper and lower ends of said panels 30A and 30B, and fastening members (not illustrated) fasten the right and left shiplap portions of the external wall panels 30A and 30B so as to fix said panels at the side of the building frame. The intermediate throating 60 consists of a base plate 61 that serves as a fixed surface to the lateral furring strip 91, and a support plate 62 and a throating portion 64 that extend from the base plate 61 toward the surface side to form two front surface plates 63 and 65 extending upwards and downwards respectively from the front ends of these support plate 62 and throating portion 64. As shown in the drawing, the support plate 62 and the front surface panel 63 cover and hold the lower end of the upper external wall panel 30A. In addition, the throating portion 64 and the front surface plate 65 cover the upper end of the lower external wall panel 30B.
[0009] [Patent document 1] Japanese Patent Application Laid-Open No. 2000-160804 [0010] The construction structure shown in FIG. 7 has a problem with a decay durability of the sealing material 97, and it is feared that rain water penetrates through the sealing material 97 and may causes a separation phenomenon of the sealing material 97. In addition, the sealing material 97 is filled between the upper and lower external wall panels 30A and 30B, making it difficult to form a joint groove portion with a depth, causing a problem with a design of the joint groove portion.
[0011] In the construction structure shown in FIG. 8a, it is necessary to adjust the positions of the external wall panel to obtain a desired certain width of the joint portion that, in other words, amount to the interval between the upper and lower ends of the external wall panels 30A and 30B, and this proved troublesome in performing the construction work. In addition, the throating portion 53 of the intermediate throating 50 covers the front surface of the upper end of the lower external wall panel 30B and a joint groove portion that is well-shaped in a horizontally straight line is hard to obtain. As a result, the appearance of the surface patterns of the upper and lower external wall panels 30A
and 30B is divided by the throating portion 53.
[0012] In the construction structure shown in FIG. 8b, the shape of the intermediate throating 60 is complicated, and in order to support the weight of the upper external wall panel 30A, it is necessary to make the intermediate throating 60 into an aluminum molded item and its manufacturing cost is expensive. Further, in order to hold the vicinity of the lower end of the external wall panel 30A stably, it is necessary for the upper front surface plate 63 to have a relatively large width and consequently, the width of the lower front surface panel 65 is also exposed largely to the front surface of the upper end of the external wall panel 30B.
As a result, the appearance of the surface patterns of the upper and lower external wall panels 30A and 30B is clearly divided.

SUMMARY OF THE INVENTION

[00131 The present invention has been made taking the foregoing problems into consideration and an object thereof is to provide a joint member that can be easily constructed and has an excellent design and a high waterproof performance even if it is manufactured at a low manufacturing cost.
[00141 According to the present invention there is provided a joint member for use between vertically adjacent external wall panels in a wall structure for fastening the external wall panels to a building frame by means of a fastener driven from an external side of the wall structure, the joint member comprising a hat joiner and a joint cover, the hat joiner comprising a base plate and a convex portion and the base plate having a fixing surface for contact with the building frame. The convex portion is formed by folding the centre region of the base plate in a direction away from said fixing surface, the convex portion being sandwiched between upper and lower external wall panels in the course of construction.
The joint cover comprises at least a lower edge portion, a joint groove portion and an elastic waterproof material, the joint groove portion comprising a vertical plate and a lower plate, the lower plate being formed by bending a lower end portion of the vertical plate of the joint groove portion outwardly. The joint groove portion of the joint cover is formed into a shape that can cover at least a top surface of the convex portion of the hat joiner and an upper end surface of the lower external wall panel in the course of construction. The lower edge portion of the joint cover extends from a lower end of the joint groove portion downwardly, the lower edge portion of the joint cover being brought into contact with an upper end portion of a lower external panel in the course of construction. The elastic waterproof material is attached to a rear surface of the lower edge portion of the joint cover.

[00151 In one embodiment, the lower edge of the joint member is exposed before the front surface of the external wall panel. However, this lower edge portion has close contact with the surface of the external wall panel unlike the throating portion 53 shown in FIG. 8a.
Therefore, it is possible to sufficiently prevent rain water from leaking even if the lower edge portion has a small width. Accordingly, although the lower edge portion of the joint member is exposed, the width thereof is very small and the lower edge portion of the joint member is less noticeable. In addition, since the joint member according to the present invention can form a joint groove portion with a depth, it is possible to obtain a joint member of a high-grade design. In addition, it is possible to prevent the joint portion of the upper and lower external wall panels from rain water leakage. Since the joint member according to the present invention can be formed in a simple shape, it can be manufactured easily. Further, since there is no need to support the weight of the external wall panel unlike the intermediate throating 60 shown in FIG. 8b, the material of low cost can be used.
[00161 Elastic waterproof material attached to the rear surface of the lower edge portion increases adhesion of the lower edge portion to the external wall panel, assuring better rainwater proof capacity.
[00171 The joint member is capable of providing a desired interval between the upper and lower external wall panels with the help of the hat joiner. In other words, the width of the joint can be kept at a desired level constantly. Furthermore, it is possible to obtain hat joiners and joint covers in so simple shapes that they can be manufactured easily.
[0018] It is preferable that when the joint member and the upper and lower external wall panels are in the state of being fastened to each other, the joint groove portion of the joint cover is formed in such a size that part of said joint groove portion may come into contact with the top surface of the hat joiner convex portion. In this way, it is possible to make the joint groove portion as deep as possible. In addition, it is possible to prevent rain water leakage from the space between the joint groove portion and the hat joiner convex.

[0019] According to a preferable embodiment, when the joint member and the upper and lower external wall panels are in the state of being fastened to each other, the joint groove portion of the joint cover is formed in such a shape as to cover the lower end surface of the upper external wall panel. The joint cover further extends upward from the upper end of said joint groove portion, and is provided with an upper edge portion that comes into contact with the surface of the upper external wall portion in the course of construction. An elastic water proof material is attached to the rear surface of the upper edge portion. In the present embodiment, the entire joining portion of the upper and lower external wall panels can be covered with the joint cover without exposing the end surfaces of the external wall panels. As a result, the external wall panels have desirable appearances. Further, in the external wall construction structure using the joint member according to the present embodiment, the upper edge, in addition to the lower edge, of the joint cover is exposed to the front surface of the external wall panel. This upper edge does not serve to hold the end of the external wall panel unlike the upper front surface panel 63 shown in FIG. 8b, with the result that the upper edge can be made to have a small width which is less noticeable.
[0020] According to another preferable embodiment, when the joint member and the upper and lower external wall panels are in the state of being fastened to each other, the joint groove portion of the joint cover is in a shape to cover only the top surface of the hat joiner convex portion and the upper end surface of the lower external wall panel. The joint cover further comprises a protruding portion that extends from the upper end of the joint groove portion to the rear surface side and overlaps on the upper side surface at the upside of the hat joiner convex portion in the course of construction.
When the exterior wall panel is fastened, a vertical joint running in a vertical direction may exist above the joint member depending on a position and rain water may fall on the joint member moving down this vertical joint.
However, according to the joint cover of the present embodiment, even if the vertical joint is made to have a deep groove, the fallen rain water may further flow down along the surface of the joint cover. In other words, rain water does not stay near the joint member and the water proof performance of the joint cover is advanced.
[0021] It is preferable that the hat joiner and the joint cover are formed by the metal sheet processing of a single steel respectively and they can be manufactured easily.

[0022] According to still another preferable embodiment of the present invention, part of the joint groove portion serves as a fixed surface to a side of the building frame. The joint member according to the present member is made of a single steel sheet and the product shape is also simple. Further, the joint member in the present embodiment can be manufactured at a low cost.
More preferably, if the joint member is formed by the metal sheet processing of a single steel sheet, the joint member can be manufactured easily.

BRIEF DESCRIPTION OF THE DRAWINGS

[0023] FIG. 1 is a perspective view showing a joint member according to an embodiment of the present invention.
[0024] FIG. 2a is a perspective view showing a construction structure using the joint member shown in FIG. 1.
[0025] FIG. 2b is a cross sectional view taken along the line b-b shown in FIG. 2a.
[0026] FIG. 3 is a perspective view showing a joint member according to another embodiment of the present invention.

[0027] FIG. 4a is a perspective view showing a construction structure using the joint member shown in FIG. 3.
[0028] FIG. 4b is a cross sectional view taken along the line b-b shown in FIG. 4a.
[0029] FIG. 5 is a perspective view showing a joint member according to still another embodiment of the present invention.

[0030] FIG. 6a is a perspective view showing a joint member according to still another embodiment of the present invention.
[0031] FIG. 6b is a perspective view showing a construction structure using the joint member shown in FIG. 6a.
[0032] FIG. 7 is a perspective view showing an example of a construction structure of a conventional vertical joint portion.
[0033] FIG. 8 is a perspective view showing another example of the construction structure of the conventional vertical joint portion.

DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0034] As described above, the present invention provides a joint member that, according to the present invention, is easy to process for construction and good in design appearance and high level water proof capacity despite a low manufacturing cost.
[0035] With reference to the drawings, a preferable embodiment of the present invention will be described below. FIG. 1 is a perspective view showing a joint member according to an embodiment of the present invention. FIG. 2a is a perspective view showing a construction structure using the joint member shown in FIG. 1. FIG. 2b is a cross sectional view taken along line b-b shown in FIG. 2a.
[0036] In the external wall construction structure shown in FIG. 2, the external wall panels 30A and 30B are fastened to the lateral furring strip 91 by means of the nail 95 driven from the surface side, and a joint member 1 is fixed between the upper and lower external wall panels 30A and 30B. The joint member 1 is composed of two members shown in FIG. 1, namely, a hat joiner 10 and a joint cover 20. Any of them is formed by the processing of plate metal of one sheet of a steel plate.
[0037] First, the hat joiner 10 is composed of a base plate 11 that serves as a fixed surface to the lateral furring strip 91, and a convex portion 12 that is formed by folding down the vicinity of the center of the base plate 11 to the surface side. The convex part 12 is composed of upper and lower side surfaces 12a and 12b, and a top surface 12c that couples these upper and lower side surfaces 12a and 12b with each other. The upper and lower side surfaces 12a and 12b are separated at a distance equivalent to the interval to be formed between the ends of the external wall panels 30A and 30B that are vertically positioned next to each other. In addition, in order to increase the strength, vertical side end parts 1la and llb of the base plate 11 are folded down to the surface side.
[0038] Next, the joint cover 20 is provided with a vertical plate 21a and a joint groove portion 21 composed of an upper plate 21c and a lower plate 21b that extend from the upper and lower ends thereof to the surface side. The upper plate 21c and the lower plate 21b are separated at a width that is slightly smaller than the interval of the upper and lower side surfaces l2a and 12b of the hat joiner convex portion 12 so as to get inserted easily between the upper and lower external wall panels 30A and 30B in the course of construction and provide the joint member with a natural appearance. Further, the joint cover 20 is also provided with an upper edge portion 25 and a lower edge portion 23 that extend from the upper end and the lower end of the joint groove portion 21 to the upside and downside, respectively. The upper edge portion 25 and the lower edge portion 23 are positioned on the same plane, and in order to increase the strength, respective side end portions 25a and 23a are folded down to the rear surface side. In addition, an elastic waterproof material 26 made of an EPDM rubber foam like a flat plate is attached to almost throughout the rear surfaces of these upper edge portion 25 and lower edge portion 23.

[0039] Upon manufacturing the joint cover 20, a steel sheet as material is bent and folded into a piece of a U-Shaped cross section before having it formed into the joint groove portion 21. The front ends of the upper plate 21c and the lower plate 21b are folded upward and downward, respectively, to obtain the upper edge portion and the lower edge portion 23, respectively. Finally, the entire surface of the joint cover 20 is coated with a desired joint color.

[0040] Next, an external wall construction method using 20 the above-described joint member 1 is described below. At first, the external wall panel 30B overlaps from above the base plate 11 of the lower portion of the hat joiner 10 by bringing the upper end surface of the lower external wall panel 30B into contact with the lower side 25 surface 12b of the hat joiner convex portion 12. In this state, the external wall panel 30B is fastened to the lateral furring strip 91 by means of the nail 95 driven from the surface side of the panel. Next, by bringing the lower end surface of the upper external wall panel 30A

into contact with the upper side surface 12a of the hat joiner convex portion 12, the upper external wall panel 30A is made to overlap the upper base plate 11 of the hat joiner 10 from above. In this state, the upper external wall panel 30A is fastened to the lateral furring strip 91 by means of the nail 95 driven from the surface side of said panel. Since the height of the hat joiner convex part 12 is smaller than the thicknesses of the external wall panels 30A and 30B, in this state, the surfaces of the external wall panels 30A and 30B protrude to the front surface further than the top surface 12c of the hat joiner convex portion 12 does. Finally, the vertical plate 21a of the joint groove portion 21 of the joint cover 20 is brought into contact with the top surface 12c of the hat joiner convex portion 12, and the rear surfaces of the upper edge portion 25 and the lower edge portion 23 are brought into contact with the surfaces of the upper and lower external wall panels 30A and 30B, respectively, and in this state, a screw 96 is screwed into the vertical plate 21a to fasten the joint cover 20 to the lateral furring strip 91. In the external wall construction structure that is formed in this way, as shown in FIG. 2a, the upper and lower joint portions of the upper and lower external wall panels 30A and 30B are entirely covered with the joint cover 20 and the end surfaces of the external wall panels 30A and 30B are not exposed to the surface. As a result, the external wall panels 30A and 30B have preferable appearances.
[0041] FIG. 3 is a perspective view showing a joint member according to another embodiment of the present invention. FIG. 4a is a perspective view showing a construction structure using the joint member shown in FIG. 3. FIG. 4b is a cross sectional view taken along line b-b shown in FIG. 4a. Also in a joint member 1A
according to the present embodiment, the same hat joiner 10 is used as the one shown in FIG. 1, except that a joint cover 20A is different from the one shown in FIG.
1. In other words, the joint cover 20A according to the present embodiment is not provided with the upper plate 21c and the upper edge portion 25 that are shown in FIG.
1. In their place, the joint cover 20A is provided with a projecting portion 27 extending from the upper end of the vertical plate 21a of the joint groove portion 21 to the rear surface side. This joint cover 20A is also made of a steel sheet by metal sheet processing. The projecting portion 27 is formed by folding down the upper end of the vertical plate 21a at right angle to the rear surface side. In addition, in the present embodiment as well, the elastic water proof material 26 is attached to almost throughout the rear surface of the lower edge portion 23.
[0042] The external wall construction method using the joint member 1A is described below. Like the case of the construction structure shown in FIG. 2, the upper end surface of the lower external wall panel 30B is brought into contact with the lower side surface 12b of the hat joiner convex portion 12, and the lower external wall panel 30B is caused to overlap from above the base plate 11 of the lower portion of the hat joiner 10. In this state, the nail 95 is driven from the surface side of the lower external wall panel 30B to fasten said panel to the lateral furring strip 91. Next, according to the present embodiment, the joint cover 20 is attached before the upper external wall panel 30A is done so. In other words, the projecting portion 27 of the joint cover 20A and the rear surface of the vertical plate 21a are brought into contact with the upper side surface 12a and the top surface 12c of the hat joiner convex portion 12, respectively, and the rear surface of the lower edge portion 23 is brought into contact with the surface of the lower external wall panel 30B. In this state, the screw 96 is screwed into the vertical plate 21a to fasten the joint cover 20A to the lateral furring strip 91.
Subsequently, the upper external wall panel 30A is caused to overlap from above the base plate 11 above the hat joiner 10 to bring the lower end surface of the upper external wall panel 30A into contact with the projecting portion 27 of the joint cover 20. In this state, the nail 95 is driven from the surface side of the upper external wall panel 30A to fasten said panel to the lateral furring strip 91. In the external wall construction structure formed in this way, as shown in FIG. 4a, even if a vertical joint 92 is located above the joint member 1A, rain water falling along the vertical joint 92 may further flow down along the surface of the joint cover 20A, with the result that rain water does not stay near the joint member 1A.

[0043] FIG. 5 is a perspective view showing a joint member according to still another embodiment of the present invention. In the joint member 1B according to the present embodiment, the joint cover 20B has a simple shape composed of the joint groove portion 21 made of only the vertical plate 21a and the lower plate 21b, and the lower edge portion 23, so that the joint cover 20B
can be manufactured easily. In addition, also in the present embodiment, the elastic water proof material 26 is attached to almost throughout the rear surface of the lower edge portion 23. In the course of construction, either the joint cover 20B or the upper external wall panel may be fastened first, providing more freedom in construction.

[0044] FIG. 6a is a perspective view showing a joint member according to a further embodiment of the present invention. FIG. 6b is a perspective view showing a construction structure using the joint member shown in FIG. 6a. The above-descried joint members 1, 1A, and 1B
are composed of two pieces that are the hat joiner and the joint cover. On the other hand, a joint member 1C
according to the present embodiment is composed of a single piece and the joint member 1C can be manufactured at a lower cost. As shown in FIG. 6a, the joint member 1C
is formed of a single steel sheet by metal sheet processing, and the joint member 1C is composed of the base plate 11 that serves as a fixed surface to the lateral furring strip 91, the joint groove portion 21 located below the base plate 11, and the lower edge portion 23 that extends from the lower end of the joint groove portion 21 to downward. The joint groove portion 21 is composed of the vertical plate 21a that is a continued lower portion of the base plate 11, and the lower plate 21b that is formed by bending the lower end of the. vertical plate 21a to the surface side. The base plate 11 and the vertical plate 2la are formed as a continued flat plate. In addition, by bending the front end of the lower plate 21b downward, the lower edge portion 23 is formed, and the elastic water proof material 26 is attached to almost throughout the entire rear surface of the lower edge portion 23. The side end portions lla and 23a of the base plate 11 and the lower edge portion 23 are folded down, respectively, to increase the strength.

[0045] In the course of construction, at first, the lower external wall panel 30B is fastened to the lateral furring strip 91 by using the nail 9S. Next, the rear surface of the lower edge portion 23 of the joint member 1C is brought into contact with the surface of the lower external wall panel 30B, the screw 96 is screwed into the vertical plate 21a, and the lower external wall panel 30B
is fastened to the lateral furring strip 91. Finally, with the upper external wall panel 30A positioned to give a certain interval between the upper external wall panel 30A and the lower external wall panel 30B, the upper external wall panel 30A is caused to overlap from above the base plate 11 of the joint member 1C and by means of the nail 95, the joint member 1C is fastened to the lateral furring strip 91. Further, the joint member 1C

may be fastened to the lateral furring strip 91 by means of the nail driven into the base plate 11. However, as shown in FIG. 6b, by screwing the screw 96 at a position of the vertical plate 21a nearer to the lower edge portion 23, the elastic water proof material 26 attached to the rear surface of the lower edge portion 23 is sufficiently pressed against the external wall panel 30B
improving the degree of adhesion.
[0046] Various embodiments of the joint member according to the present invention are described above. However, the joint member according to the present invention may be modified into various embodiments other than these.
For example, like the conventional hat joiner 40 shown in FIG. 7, the top surface of the hat joiner convex portion may be a curved surface. In addition, the upper plate and the lower plate of the joint groove portion may be inclined surfaces or the entire joint groove portion may be composed of continued curved surfaces. Further, on the top surface of the hat joiner convex portion or on the vertical plate of the joint groove portion, a ready hole for a screw may be formed in advance.

Claims (7)

1. A joint member for use between vertically adjacent external wall panels in a wall structure for fastening the external wall panels to a building frame by means of a fastener driven from an external side of the wall structure, the joint member comprising:

a hat joiner and a joint cover, the hat joiner comprising a base plate and a convex portion and the base plate having a fixing surface for contact with the building frame;

wherein the convex portion is formed by folding the centre region of the base plate in a direction away from said fixing surface, the convex portion being sandwiched between upper and lower external wall panels in the course of construction;
wherein the joint cover comprises at least a lower edge portion, a joint groove portion and an elastic waterproof material, the joint groove portion comprising a vertical plate and a lower plate, the lower plate being formed by bending a lower end portion of the vertical plate of the joint groove portion outwardly;

wherein the joint groove portion of the joint cover is formed into a shape that can cover at least a top surface of the convex portion of the hat joiner and an upper end surface of the lower external wall panel in the course of construction;
wherein the lower edge portion of the joint cover extends from a lower end of the joint groove portion downwardly, the lower edge portion of the joint cover being brought into contact with an upper end portion of a lower external panel in the course of construction;
and wherein the elastic waterproof material is attached to a rear surface of the lower edge portion of the joint cover.
2. The joint member according to claim 1, wherein the joint groove portion of the joint cover is formed in such a size as to enable part of the joint groove portion to be brought into contact with the top surface of the convex portion of the hat joiner in the course of construction.
3. The joint member according to claim 1, wherein the joint groove portion of the joint cover further comprises an upper plate, the upper plate extending from an upper end of the vertical plate of the joint groove portion to the exterior side, the joint groove portion of the joint cover being formed in such a shape as to cover a lower end portion of an upper external wall panel in the course of construction, the joint cover further comprising an upper edge portion which extends from an upper end of the joint groove portion upwardly, the upper edge portion of the joint cover being brought into contact with an upper said external wall panel in the course of construction, and wherein an elastic waterproof material is attached to a rear surface of an upper edge portion of the joint cover.
4. The joint member according to claim 1, wherein the joint groove portion of the joint cover is formed in such a shape as to cover only the top surface of the convex portion of the hat joiner and the upper end surface of the lower external wall panel in the course of construction, the joint cover further comprising a protrusion portion that extends from the upper end of the joint groove portion to the rear surface side and is overlapped on the side surface at the upside of the convex portion of the hat joiner in the course of construction.
5. The joint member according to claim 1, wherein the hat joiner and the joint cover are respectively formed by the metal sheet processing of a single steel plate.
6. The joint member according to claim 2, wherein the joint groove portion of the joint cover is formed in such a shape as to cover the lower end surface of the upper external wall panel in the course of construction, the joint cover being provided with an upper edge portion that extends from the upper end of the joint groove portion to the upside and being brought into contact with the surface of the upper external wall panel in the course of construction, and an elastic water proof material is attached to the rear surface of the upper edge portion.
7. The joint member according to claim 2, wherein the joint groove portion of the joint cover is formed in such a shape as to cover only the top surface of the convex portion of the hat joiner and the upper end surface of the lower external wall panel in the course of construction, and the joint cover further comprises a protrusion portion that extends from the upper end of the joint groove portion to the rear surface side and is overlapped on the side surface at the upside of the convex portion of the hat joiner in the course of construction.
CA 2544930 2006-04-26 2006-04-26 Joint member Expired - Fee Related CA2544930C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA2746777A CA2746777C (en) 2006-04-26 2006-04-26 Joint member
CA 2544930 CA2544930C (en) 2006-04-26 2006-04-26 Joint member

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AU2015201723B2 (en) * 2014-04-06 2019-12-05 Heinz Tkatschenko Flashing assembly and flashing junction cover assembly

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CN105155691B (en) * 2015-09-07 2017-06-13 中国建筑第八工程局有限公司 Metal rockwool sandwich board external wall waterproof sealing structure and its construction method
CN107859268A (en) * 2017-11-02 2018-03-30 江苏经贸职业技术学院 The exterior wall stringcourse eliminator plate and its construction method of a kind of rainwater leakage prevention
CN109098384B (en) * 2018-10-18 2023-09-12 吕明芳 Dovetail mortise and tenon fixing method and device for heat-insulating and decoration integrated plate
CN109736521B (en) * 2019-01-14 2022-08-16 泉州睿郎机电技术有限公司 Method for laying wall covering plate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2015201723B2 (en) * 2014-04-06 2019-12-05 Heinz Tkatschenko Flashing assembly and flashing junction cover assembly

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