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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing an embodiment of a
diaphragm for a soft dome skier according to the present invention, and FIG. 2 is a longitudinal
sectional view thereof. 1 ...... diaphragm substrate consisting of 10 ...... nonwoven, 11, 12 ...... 葆持
resin, 13, 14 ...... soft resin. 1 one X't \ 擾 2 Figure 123
DETAILED DESCRIPTION OF THE INVENTION This invention relates to a loudspeaker diaphragm,
and in particular to a loudspeaker diaphragm characterized by a base material in a soft dome
loudspeaker diaphragm. The diaphragm for a soft dome speaker is formed by forming a dome lip
shape of synthetic material such as phenol with a base material bM from + III + rattan cloth,
forming softness and tightness 3 in history. The fabric conventionally used for such a substrate is
a woven fabric. However, as a diaphragm of a speaker having a soft dome type lift principle in
I)%, it is important to keep the balance as well as the mechanical quality of the material as the
diaphragm and the uniformity of each part. Because of the field tL, the diaphragm simply using a
woven fabric as a substrate was reworked. The reason is that in the case of unpa, the uncle is
holding the shape of such a base because the mechanical strength such as tensile strength,
elongation and the like is generated in the lateral taj and chest (1) direction. Because the
directionality remains as a diaphragm by impregnating and applying a resin for maintaining the
softness and air tightness, the directionality of the diaphragm remains as it is. There was a case
where something like Qs did not occur well. Therefore, fiber cloth is not a simple thing, and it has
been used for a long time or for a long time, making use of the characteristic for peristaltic
clothes. However, in order to improve the fiber fabric or to specialize the cross-talk of the fabric
constituting the fabric, as long as the fabric is stretched, the above-mentioned drawbacks are
essentially It's definitely not worth four seconds. In order to use it to settle down your fault, you
have to adopt a totally different idea. This invention is made from such a position, and the
material is not made of fiber cloth but made of non-woven fabric. Let's explain it concretely by
the figure. FIG. 1 shows an actual tJIA example of the soft dome spie (2) for force which becomes
this continuous line, and Asahi 2 shows a longitudinal cross section obtained by cutting the
diaphragm 1 in the x-x 'direction. Figure is shown. The base 10 of the 動 plate 1 is 4IIlFM, which
is stranger than the non-woven fabric, and both sides thereof are impregnated with shaperetaining pieces v1m11.12. 吏 VC, Ef Ellk L 2 (D outer surface is soft, airtight resin 15. 14 is
impregnated. The non-woven fabric of the substrate 10 is a fabric in which the fibers are worn in
a random and irregular direction to a certain degree of friction, and each fiber is made into a
cloth by heat pressure or adhesion to be sympathetic, with no jp3 property. Among the bonding
methods of heat pressure and adhesion on the upper side, those which are particularly suitable
for the soft speaker sliding plate are based on the bonding method.
Firmly, when moving as a diaphragm h, each fiber is deformed by high temperature and ^
pressure when it is fused by each 圧 m or heat pressure, and each fiber darkness is hardly seen
by external force el This is because, in particular, those fixed by bonding using a rubber yarn
binder or each fiber shape is maintained as it is, and since each fiber 1j + · is wound, it is suitable
for the principle of a soft dome speaker. As the cloth material constituting the non-woven fabric,
(3) blended with a specific ratio (50: 50 to 20: 80, pregnant or 40 ° 60 to 30 near 0) of capital
fiber and hydrophobic fiber The non-woven fabric of the present invention is optimal because it
can be provided by taking into consideration both the affinity and softness for shape-retaining
kerosene and the affinity for air-degradable bead-specific resin. There is no acclaim for being
limited to things. Also, from the time of manufacturing the temporary ink of the construction @
textile, the dome shape and 101j + to be obtained in advance are required? Since the use of a
resin for flexible storage is almost negligible as an accidental cloth, it can improve the
characteristics as a soft-type diaphragm. As mentioned above, the diaphragm which has
specifically described this ring by real Noti, and which is rare due to such a careless cloth has no
directivity and nu unevenness, and has uniform character, ie, the principle of soft dome speaker
and uniformity. The general surface came to be used. Of course, the effect is great as a moving
plate for general speakers. 4, a brief description 41 of Figure 111 is a diagram showing an
embodiment of a soft dome sliding (4) force plate according to the present invention, Figure 2
shows a longitudinal sectional view thereof. 1 · · Vibration plate, 10 · · Base material made of nonwoven fabric, 11.12 · · · Resin for holding, 13.14 · · Resin for soft. Utility model registration Aging
people Japanese musical instrument '# 株式会社 Co., Ltd. Deputy attorney Attorney Takeuchi
Dojo Akira Ishibashi (5) Me 1 Figure X! □ · X '2 2 · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · A ソ 昏 慇 栃 A A A 酊 A 6 3 Iz Name Izumi Toru
(2) Agent Address 1051 Nakasatocho, Hamamatsu City, Shizuoka Prefecture 2) Agent Address
105 Address Minato-ku, Tokyo New 1st 6th 6th 14th Detroit Building Place (580) 7323 Name
(7121) Patent attorney Akashi Chang Wei
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