Static structures (e.g. – buildings) – Machine or implement
Reexamination Certificate
2000-01-18
2002-10-08
Friedman, Carl D. (Department: 3635)
Static structures (e.g., buildings)
Machine or implement
C052S489100, C052S747110, C052S589100, C052S506010
Reexamination Certificate
active
06460311
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a fixture to be employed for a horizontal boarding for building frame using for instance a ceramic siding board, in which the siding boards are attached to a building frame with the longitudinal direction of each ceramic siding board being orientated in the horizontal direction. The present invention also relates to a method of fastening the siding boards for building frame in the horizontal boarding using the fixture.
2. Description of the Related Arts
As an exterior work of a house, a boarding for attaching ceramic siding boards to a frame construction is usually performed.
This boarding using siding boards has been performed either by a horizontal boarding where the siding boards are attached to the frame construction with the longitudinal direction of the siding boards being directed in the lateral direction (horizontal direction), or by a vertical boarding where the siding boards are attached to the frame construction with the longitudinal direction of the siding boards being directed in the upright direction (vertical direction). As shown in
FIGS. 14 and 15
, in the case of wood frame construction (two-by-four work) for example, a framework
10
is assembled at first, and after a backing material
3
such as a plywood or a moisture permeable waterproofing sheet is attached as desired to the framework
10
, ceramic siding boards
40
are fixedly fastened to the framework
10
by taking advantage of the studs
12
of the framework
10
.
In the case of the horizontal boarding, a first siding board
40
to be disposed at the lowest portion of the frame work
10
is horizontally placed at first to the framework
10
and fastened thereto using nails
62
by taking advantage of studs
12
. Then, a second siding board
40
to be fastened over the first siding board
40
is horizontally placed with the lower rabbeted horizontal edge
40
a of the second siding board being fitted over or engaged with the upper rabbeted horizontal edge
40
b of the first siding board
40
, and then fastened to the studs
12
in the same manner as illustrated above using nails
62
. Since the head
62
a
of the nail
62
employed in fastening the siding board
40
is exposed in this case, thus deteriorating the external appearance or design of the finish, a coating coverage is usually subsequently applied to such an exposed head portion of the nails
62
. Further, there is also a possibility that the siding boards
40
may be damaged due to the nailing work.
With a view to overcome the aforementioned problems, a method of fastening the siding boards by making use of a metallic fixture exclusively dedicated for the siding boards has been proposed as taught in Japanese Patent Unexamined Publication H9-203184.
FIG. 16
shows one example of such a metallic fixture (hereinafter, referred to also as a metallic fixture)
30
. As shown in
FIG. 17
, this metallic fixture
30
is adapted to be fastened to the studs
12
using screws or nails
62
which are to be applied through holes
34
formed in the substrate
31
. In this example, the siding board
40
is formed of a laterally elongated shape, four sides of which are respectively formed into a shiplap configuration. Specifically, the overlying rabbeted portion thereof is consisted of a overlying tongue patterning portion
41
constituting the front side of the overlying rabbeted portion, an overlying tongue engaging portion
42
constituting the back side of the overlying rabbeted portion, and a groove portion
43
formed between the pattern-forming upper tongue portion
41
and the overlying tongue engaging portion
42
. On the other hand, the underlying rabbeted portion thereof is formed at the upper side of the siding board arranged below, covered by the overlying tongue patterning portion
41
, and consisted of an underlying tongue engaging portion
44
being attached to the metallic fixture
30
.
The installation of the siding boards
40
can be performed as follows. First of all, the distal edge portion of the underlying tongue engaging portion
44
of a lower siding board
40
B is fitted in the lower engaging portion
50
B (which is formed with a substrate
31
, a horizontal portion
32
and a downwardly inclined hook portion
33
B) of the metallic fixture
30
which has been fixedly attached in advance to the studs
12
by means of screws or nails
62
, thereby securing the lower siding board
40
B to studs
12
. Then, the overlying tongue engaging portion
42
of an upper siding board
40
A is fitted in the upper engaging portion
50
A (which is formed with a substrate
31
, a horizontal portion
32
and a upwardly inclined hook portion
33
A) of the metallic fixture
30
, thereby securing the upper siding board
40
A to studs
12
. Since the upper siding board
40
A and the lower siding board
40
B are joined in this manner, there is little possibility that the surface of the siding boards is damaged, and the existence of the metallic fixture
30
cannot be externally recognized, thus making it possible to provide a very excellent external appearance of boarding.
In the horizontal boarding as mentioned above, the horizontal joint is a shiplap joint when four sides of the siding board are respectively formed into a shiplap configuration, on the other hand, the horizontal sides are simply butt against each other when only the vertical sides of the siding board are formed into a shiplap configuration.
In the meantime, in the case of wood frame construction (two-by-four work), a framework is fabricated according to the standard dimension, and hence the distance between studs is constant (for example, 16 inches and 24 inches). If the length in longitudinal direction of the siding board is an integral multiple of the standard distance between the centers of studs, the joint portion between the vertical sides of siding boards arranged horizontally would coincide with the position of any of the studs of the framework, so that the joint portion between the vertical sides of siding boards can be firmly fastened to the studs by simply attaching a couple of siding boards side by side to the fixtures fixed in advance to the studs.
However, if the length in longitudinal direction of the siding board is not an integral multiple of the standard distance between the centers of studs, the joint portion between the vertical sides of siding boards arranged horizontally would not coincide with the position of the studs of the framework. This situation tends to happen occasionally when the framework to be employed in a wood frame construction is manufactured based on a different standard from the standard of the siding boards, or when siding boards manufactured are required to be cut at an intermediate portion thereof due to certain circumstances. This situation is also caused to happen when, due to the design of house, a framework of off-specification is required to be partially employed.
When there is a portion in the boarding construction where the joint portion between the vertical sides of siding boards does not coincide with the position of the studs of the framework in the installation of siding boards by making use of metallic fixtures secured in advance to each stud, the joint portion may be simply left in a state of shiplap joint or in a contacted state, so that the joint portion may become very weak in mechanical strength. Therefore, if an external force is happened to be applied to such a joint portion, the joint portion is more likely to be displaced, and rain water may penetrate into the inside of the siding boards through this displaced joint portion.
Another problem accompanied with the boarding using the conventional fixture is that the metallic fixture fastening vertical siding boards is likely to be displaced due to the weight of the siding boards. Such a problem may not be raised when the metallic fixture is directly nailed to a non-deformable material such as a wood stud. However, when it is desired that a thick backing board formed of a relatively soft mate
Friedman Carl D.
Lowe Hauptman & Gilman & Berner LLP
Nichiha Corp.
Varner Steve
LandOfFree
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