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JPS56130395

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DESCRIPTION JPS56130395
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a fragmentary sectional view showing the
connection of cone paper and free edge of a cone-shaped speaker according to the prior art, and
FIG. FIG. 7 is a view showing a part of the drawing, and b is a cross-sectional view of the relevant
part in the AA view. 1 ...... cone paper, 2,5 ...... adhesive, 3 ...... Furietsuji, 4 ...... speaker frame, 6 ......
suture .
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a cone-shaped
loudspeaker for reliably and firmly connecting corn paper to a free edge. In the past, to connect
cone paper to the free edge, thermoplastic adhesive was used to bond the two together. However,
when using speaker + = or vibration, cone paper has 7 lees in the case of the above adhesive
strength. It peels off from the speaker and the speaker may be destroyed. That is, in FIG. 1, the
cone I is bonded to the free edge 3 with the fitting agent 2 and the other end of the free edge 3 is
bonded 5 to the periphery of the speaker frame 40. Now, when the strength of the whole paper
with strong vibration is insufficient for the adhesive 20 strength, it peels away from the cone 1
free 1 edge 3 and the free edge 3 is in the direction of the arrow (1) 1-/ '"- It moves to '1'-.
Therefore, in the present invention, the glued portion between the corn paper and the fleece is
further sewed by sewing to make a t-mechanical connection. An embodiment according to the
present invention will be described with reference to the attached drawings. The connection
between the corn paper 1 and the free edge 3 is connected by means of the adhesive 2 as is also
known in the present case. Then, the connection portion is sewn into a ring shape with a small
mass and large strength suture 6 of the present invention, for example, with the present cotton
thread silk thread or nylon thread. The # 1 sewing method is also effective when sewing
perforations at equal intervals or at predetermined intervals. In the present invention, in addition
to the adhesion with the connecting paper of the cone paper and the 7-leed edge and the
conventional adhesive as described above, since the sewing is carried out by the sewing process,
the strong vibration is applied to the corn paper Even if it is given, so long as the corn paper is
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not broken, the corn and the free edge do not peel off. Furthermore, since the suture used
generally has a small mass, the cone paper has no harmful line for faithfully transmitting the
vibration #J by the input signal to the outside (2).
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