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JPS61137494

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DESCRIPTION JPS61137494
[0001]
TECHNICAL FIELD The present invention relates to a gasket used for a square speaker applied to
a general sound wIl unit. Prior Art A conventional square speaker will be described with
reference to FIGS. 3 to 5. FIG. The gasket 1 shown in FIG. 3 has one squeegee as a pocket, and
the gasket 2 shown in FIG. 5 has four blanks. These gaskets 1 and 2 are shown in FIG. 4A. As
shown in B, the frame 3 and the cone 4 are bonded and bonded. Problems to be Solved by the
Invention According to the above-described conventional configuration, the inner portion is
unnecessary in the case of the gasket 1 shown in FIG. 3 because it is a single handling gasket,
and the material loss is large and the cost is high. Further, in the case of the gasket 2 shown in
FIG. 5, although the material loss is small due to the four pieces of the gaskets, sticking is not
easy at the time of operation, resulting in high cost. An object of the present invention is to
provide a square speaker gasket that solves the above-mentioned problems. Means for Solving
the Problem In order to solve the above-mentioned problem, the gasket of the rectangular
speaker according to the present invention is one in which three V-shaped cut-out portions are
formed on one surface of the strip member at predetermined intervals. In the above
configuration, the belt-like member is formed into a rectangular bar-like shape by bending the Vshaped cut portion toward the cut side. Embodiment An embodiment of the present invention
will be described below with reference to FIGS. 1 and 2. FIG. FIG. 1 is a plan view of an
embodiment of the present invention in which a squarrel force is bent into a square in a squat,
FIG. 2A is a plan view of the same gasket in a state before bending, FIG. B is a front view, 5 is a
gasket, and this gasket 5 consists of the strip ¦ belt-shaped member 6 in which three V-shaped
cut-out parts 6a were formed at predetermined intervals on the-surface. The strip 6 is made of a
normal gasket material, and both ends thereof are cut off at an angle. The belt-like member 6 is
bent to the side cut by the V-shaped cut-out portions 6a, and the both ends are abutted to form a
square frame-like gasket 5 as shown in FIG. Since the gasket 5 is not a material whose shape is
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rectangular, it is not wasteful in material and is not made up of four independent belt-like
members, so the sticking operation is easy. Effect of the Invention As described above, according
to the present invention, since the waste of material is small and the sticking workability is good,
the whole cost can be significantly reduced.
[0002]
Brief description of the drawings
[0003]
FIG. 1 is a plan view of a state in which a gasket of a square speaker according to an embodiment
of the present invention is bent into a square, FIG. 2A is a plan view of the same gasket before
bending, and FIG. 3 is a plan view of a conventional square speaker gasket, FIG. 4A is an enlarged
plan view of a corner in a state where the gasket is attached to a frame, FIG. B is a cross sectional
view, and FIG. It is a top view of the gasket of another conventional square speaker.
5 · · · Gasket, 6 · · · Band-shaped member, 6
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