JPS56137790

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DESCRIPTION JPS56137790
Specification 1, title of invention 2, special it! l: Claim (1) A speaker made of mixed wire material
mainly composed of polynoropyrene and scaly graphite powder is not good. (2) A speaker
structure characterized in that it is formed of polypropylene, scaly graphite powder and fr: mixed
wire material containing as a main component, and flake graphite powder is distributed along the
surface. (3) A speaker structure formed of a mixed wire material mainly composed of
polypropylene, polymethyl methacrylate and scale-like graphite powder. (4) It is formed of a
mixed wire material mainly composed of polynoropyrene, polymethyl methacrylate and flake-like
graphite powder, and characterized in that the scaly 1.4-feed powder is distributed along a
different surface. Speaker m ++ XW. (5) A speaker 1 made of cedar, made of cedar consisting
mainly of polynoropyrene, a rubber material and a piece of ebony 4 min. (6) Made of cedar with
C-K wire material mainly composed of polypropylene, rubber material and core-like graphite rod
1. A0 piece shape and ligature tree are oriented along the surface (11-speaker modified with
bamboo) 4 adults. □ (7) 71 'fc speaker cedar + I41 i Ji: V is a mixed wire material mainly
composed of polynoropyrene, polymethyl methacrylate, rubber material and one piece of
graphite powder. (11) Polypropylene, polymethyl methacrylate, rubber material and strip
graphite powder A speaker assembly that is formed of mixed wire materials and is oriented along
a +944 one-sided black strip or end page: 1 t = ++ sign.
Speaker configuration
3. Detailed Description of the Invention Failure is related to non-vibrational problems in speaker
systems such as speaker frames, horns, equalizers, writing lenses, grills and the like. Since the
frame is fixed to the magnetic circuit and supports the opening side of the diaphragm and is for
mounting the speaker in the cabinet, being lied as a special member of the frame means that the
size of the 1st III is large and the internal loss Is large (it is difficult to resonate even with the
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vibration of the peristaltic plate. Similarly, what is desired as a feature of the speaker horn is that
the large-匪 is that the internal loss is large, and furthermore that the resonance frequency is low.
さらK、? ) [Blough 1i4 even for speakers, such as lenses, equalizers, and grills! Waiting for
high internal loss is essential. In view of the above, non-permanent workers are concerned about
the failure of the speaker i using the conventional gold draft, element 0 replacing the grasack,
Japanese Patent Application No. 541-35099 (frame for speaker), Japanese Patent Application No.
Filed for each of 54-135,097 (i), Sho-sho 54-135,098 (equalizer), Sum-axis Sho 54: 135095
(speaker horn), and these loudspeakers were superior. The features are shown. However, the
speaker panels of these materials have problems with special weather resistance, and there has
been a possibility of deformation in places where there is an i-function IF such as a car stereo
where the temperature inside 4 is high. "Failure Yu" is made in view of such a conventional
problem, and the rubbish has a feature of being inside (one shell loss and high mutual resistance
custom-made W and having a character of '9' for Kastele It is an object of the present invention
to provide a speaker groove suitable for the configuration. The invention will be described in
detail below 4IIIIIC. Non-inventive yi 43 is a single layer of polypropylene, or a mixture of
polypropylene and polymethyl methacrylate, and if necessary, a nitrile butadiene rubber (NBR), 7
'tilgo A (IIR), a styrene pig in the synthetic side thereof It is a loudspeaker product formed of a
hot ring of a mixed ophthalmological material mixed with a rubber-based cocoon T4 such as Genrubber (SBR) and scaly graphite powder. Moreover, the non-invention is characterized by the
speaker acquisition failure which is formed by the above-mentioned mixed section and the scaly
graphite powder is rewound along a straight line. Elasticity is a life-threatening 1 change, Saki # I
+! 11. When discussing polypropylene, polypropylene is 1. The heat resistance is about 25 °
C. higher than that of vinyl chloride resin, and polymethyl methacrylate (PMM) is also about 10
° C. better than the vinyl chloride resin.
Therefore, these synthetic resins have higher heat resistance than vinyl chloride-based steel). The
rubber thread family contributes to the improvement of internal loss VC due to its softness. The
lead-in-the-lead-lead powder contributes to the improvement of the modulus of elasticity that can
not be expected with ceramic resin alone, and its orientation is aligned in one direction and
511111 * significantly improves in 2c bonding. The flake graphite powder preferably has an
average particle size of about 20 μm or less, and more preferably 5 μm or less. Further, if the
compounding ratio of this graphite powder to the one sealing is in the range of 10 to 90 wt% of
the graphite powder and 90 to 100 Wt of the resin, the modulus of elasticity of the graphite
powder can be expected to be the same, and the formability is not impaired. The brittleness of
the molded product hardly occurs at all, EndPage: 2, but particularly when 50 to 75 wt% of the
graphite powder and 50 to 25 wt% of the resin, the improvement of the first grade is remarkable.
PMM is generally used as vinyl chloride (generally used as processing aid for processing, but its
compounding ratio with polypropylene is determined according to the requirements, and may be
changed depending on the shape of the desired molding or custom order. Rubber-based spit is ...!
The addition of about 2 to 50 wt% to II and the addition of about io wt%, the fEL $ E decreases by
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about 20-about 1.5 to 2 times the internal loss 1 drop δ. Can be seen. In the production of the
speaker structure, first, a single sheet of polypropylene or a mixed resin material of
polypropylene and polymethyl methacrylate, and if necessary, a mixture of 11 ml′N1 of a
rubber-based material with a rubber material and II flake graphite Kashiwagimoto Furthermore,
if necessary, plastic tfll and stabilizers are added and mixed, and this is mixed with an
appropriate kneading apparatus such as a kneader or roll as shown in FIG. It knead ¦ mixes,
heating at -210 degreeC. This mixed wire material 3 is used as it is for forming a speaker frame
such as a speaker frame, a horn, an eyebrow lens, an equalizer, a grill, etc. according to a suitable
method 1B such as compression molding, creation molding, press molding etc. For example, in
the case of compression molding, as shown in FIG. 2, the material 3 is introduced into a mold 4
corresponding to the shape of the target speaker construction, and the missing vc type 5 is
Under pressure, pressure is applied to cause the spout 3 to flow to the corners of the molds 4
and 5 and then the molds 4 and 5 are cooled. Next, the mold 4 'is released to take out the
molding protuberance 6 from the inside. FIG. 3 shows the speaker frame 1, the horn 8, the
sound! 'J lens 9, the equalizer 10 and the grille 11t.
The # 4 lens 9 is a plate 9a? I: I am hearted with what was molded and assembled in the abovementioned No. wide. It is the name-the name when the elastic modulus E is distributed because
the graphite powder 2 is not oriented in one direction in the dendrite material 1 and it is inferior
in cutting, but the high internal The loss remains unchanged, is less likely to be damaged and has
sufficient damping 1 custom to vibration, which can be used to shape the non-vibrating
components of a loudspeaker. The mixed wire material 3 is rolled by means of a roll to have the
same elastic modulus and sheeted as shown in FIG. The graphite powder 2 is distributed along
the band of the sheet material 12 by sheeting by roll rolling, and '+ * Increase the injection rate 2
to 3 times for unoriented. This sheet material 12 may be formed of only one sheet or a suitable
number of sheets as shown in FIG. 5 according to need, according to a forming method
exclusively for vacuum forming, royal agate forming, and press forming under heating-from FIG.
It is formed into the intended speaker structure as shown in-d. That is, when the speaker
construction is thick, it can be obtained by the breath formability of overlapping the sheet
material 12 to the required thickness, putting it in the lower mold and pressing and pressing the
upper part. In each of the speaker structures obtained by this molding, the graphite powder is
distributed along the light surface, and the +411 raw modulus becomes large, i. The invention
will now be described on the basis of the same application as X body weight. [Applying H1]
Polypropylene 100, Capital EndPage: 3MA Flaky Graphite Powder 200% i + i Capital Example 2
Polypropylene tooi * Pulsular Graphite Powder 300 Flatness Example 3 Polypropylene 80 Den JJ
K Part Polymethylmethacrylate 20 /// 250 pieces of scaly graphite powder [11t14]
polypropylene 100 l 1 part scaly graphite powder 200 〃 IIR 1 Qp [夾 1] 5 polypropylene 80
double-belled portion polymethyl methacrylate 20 recoiled silent lead powder 250 Each powder
is mixed under heat of 190 to 210 ° C with a kneader at a mixing ratio of 〃III (10〃
[comparative example] vinyl chloride resin 100 weight 艙 -shaped graphite powder 200 〃 lead
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stearate 5 〃 DOP 107 or more) I got a mixed line. Also, in order to obtain the orientation of the
graphite, the above mixed wire was repeatedly put on a roller to obtain a sheet material. The
physical customs of these loaves are shown in the following clothing. Next, various spike-force
constructions were formed with the material of the in-house self-example. In other words, in each
case, the graphite powder is not oriented and it is oriented (if it is in the form of compression
molding and press, respectively). did.
In each of the speaker disease adults obtained above, the mouth material composition is mainly
composed of the synthetic tree 1 finger and the graphite powder, so the dense IW is small and
wrinkled, and the internal loss is the crystal structure of the graphite powder It was large by the
softness in the addition of the characteristic and rubber-type moxibustion department.
Furthermore, the orientation of the graphite powder, which was 65'tl and west Ill was large, was
able to form% 11q as a high internal loss one while maintaining strength. (1) Furthermore, when
the heat resistance 6111 of the above-mentioned valley Hironari is finished, there is a feature
that deformation does not occur even under heating at EndPage: 4 around 4 ° C.
4. Brief description of the drawings. FIG. 1 shows a side view of a mixed forest material to be
used according to the present invention, and FIG. 2 shows a row of forming a Φ- 珀 Φ 珀 ス 構成
1 FIG. 3 a, b. c, d, and θ are perspective views of the speaker frame, the horn, the sound value
lens, the equalizer, and the grill according to an embodiment of the present invention, and FIG. 4
shows the orientation of the graphite powder used for molding the speaker of the present
invention. FIG. 5 is a perspective view of a state in which the sheet 414 'is laminated.
DESCRIPTION OF SYMBOLS 1 ... 1 copper 1 competitive family 2 ... 1 piece piece-like graphite
powder 5 ... □ 3 ... / j4MII) 7 ... frame 8 ... horn 9 ... acoustic lens 10 ... equalizer 11 ... grill 12 ...
Sea 1 [% 詐出 Hosoire Pioneer Corporation Figure 2 EndPage: 5 Figure 4 72 Figure 5 procedure
amendment (spontaneous) 1980 November 6, the Commissioner of the Patent Office island 1)
Haruki-den 1, display of the case Patent application No. 40,269, No. 3 of the case, Persons who
make corrections Related patent application address Tokyo Metropolitan eye HA district Mechome 1-chome 4th No. 1 Name ÷ 鴫 (501) Bionia 4, Inc., Inc. 1N5, date of correction
instruction ShowPage Date EndPage: 6
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