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JPS4998985

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DESCRIPTION JPS4998985
1 Showa 1 Rika Rumi Satoshi Miyake General Secretary Japan Patent Office ? Japan Patent
Office ? JP 49-GG 9 50 5 (1974) 9, 19 request for examination request (All 3 pages)
Specification ? -1, Title of the invention 2, Special J 1-Claim After processing to remove fluorine
from the surface of fluoro resin, its surface Ultrasonic vibrators are bonded to each other using
an adhesive such as epoxy resin, and ultrasonic vibration generated in the ultrasonic vibrators is
radiated and transmitted through the fluorine resin. Child device.
Ultrasonic transducer device
3. Detailed Description of the Invention The present invention relates to an ultrasonic transducer
device, and in particular, it radiates ultrasonic waves into liquids such as acids and strong alkalis
to carry out various treatments such as cleaning and promotion of chemical reaction. In this case,
it is intended to provide and provide an ultra-t'1 wave oscillator device in which there is no fear
that the radiation surface will be damaged by these liquids. As well known, the industrial use of
ultrasonic waves extends over 11 planes, but the structure of the ultrasonic transducers used for
these is a magnetostrictive transducer made of, for example, ferrite or a metal diaphragm such as
stainless steel, or When it is necessary to bond an electrostrictive vibrator using barium titanate
with an epoxy resin, particularly when a large vibration 11 "is required, it is common to bond a
metal horn such as stainless steel to the above vibrator. Conventionally, ultrasonic transducers
such as this one use water as a medium in many cases, so there is no fear that the liquid's
radiation surface will be damaged by the liquid, or acid treatment as the area using ultrasonic
waves expands. [7] There are cases where it is used in strong alkaline solutions, and it has
become a serious problem that these solutions do not cause the radiation surface to be damaged.
Therefore, in order to solve this problem, it is a necessary requirement, but at the same time, it is
also an important requirement that no adhesion be caused by temperature change. . The present
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invention was made paying attention to this point, and after specially processing a so-called
"fluorinated resin" molded article such as ethylene tetrafluoride resin, bonding of the oscillator 2EndPage: 1 is performed Then, since O, ie, ?fluorinated resin?, which forms an ultrasonic
radiator, contains fluorine atoms on its surface, it is impossible to bond with epoxy resin etc.
(liquid ammonia? Immerse the surface of 'fluorinated resin' in a solution such as metal nato '+)
rubber) or ((tetrahydrofuran + diphtalin)-sodium metal) to remove fluorine from the surface and
expose carbon atoms, epoxy resin etc. The adhesive is used to bond the vibrator. Pa,] - ~t, figure
an embodiment shown 'Shea, &, collecting' - figure Tokomi type s are, used to put them into the
processing solution. FIG. 2 shows an ultrasonic transducer adhered to the bottom of the tank,
which is of the same type as that used in a general ultrasonic cleaner. Next, FIG. 3 is a mold
provided with a horn made of 'fluorinated resin' in order to expand the vibration, in the first
figure, (1) is a fluorine resin plate, and (2) is a surface to be surface-treated. , (3) is an adhesive
such as epoxy resin, (4) is a transducer for ultrasonic wave generation, (5) is a buffer material, (6)
is a case, (7) is a backing, (8) is a presser frame, 9) is a bolt made of metal or plastic.
Although FIG. 2 is different in structure, the same articles as in FIG. 1 are shown using the same
reference numerals, and the other OI's are support rods. Further, in FIG. 3, a? represents a
conical horn made of fluorine resin, and an arrow of ?2 represents a direction of transmitting
ultrasonic waves. Because of the above structure, the surface that radiates ultrasonic waves is
'fluorinated resin' itself, so that the surface is excellent in chemical resistance and radiates
ultrasonic waves in a chemical solution that corrodes metals. The features that can be obtained
are obtained. In addition, the thermal expansion coefficient of "fluorinated resin" is smaller than
that of metal, so there is no adhesion due to temperature change, and it has excellent properties
of being able to be used safely over a long period of time. "The coefficient of friction is the lowest
in solid U-, the contamination deposited on the ultrasonic radiation surface is significantly
reduced, and the effect of being always clean, capable of emitting ultrasonic waves with -6
radiation, etc. can get. Because of the above-mentioned conditions, in practical use, use of
ultrasonic waves in various acid treatments, cleaning in a strong alkaline solution, use of
ultrasonic waves in various plating, and ultra to promote various chemical reactions The practical
effect is extremely large because it can be used safely and for a long time without concern for
areas that could not be found conventionally, such as using sound waves.
4. Brief description of the drawings. FIG. 1 is an explanatory view of the insertion type vibrator
according to the present invention, FIG. 2 is an explanatory view of a type in which the vibrator is
attached to the bottom of the tank, and FIG. It is an explanatory view in the case of providing a
horn made of fluorine resin in order to expand the amplitude. F7, '(5 shocks, 161 и и и и и и и и и и и и и и
ииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииии
ииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииии
и и и и и и и и и и и и и и и и и и и и 7 .... volts, Ql и и и и и и support frame, Eiupushiron и и и и и и fluorine resin horn,
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direction to emit or transmit the Ql и и и и и и ultrasonic vibration. Patent applicant Marine Electric
Co., Ltd. 6-EndPage: 2 Fig. 1 Fig. 2 Fig. 3 Fig. 5, Inventors other than the above Takemoto Kiyoshi
Force Takemoto Kiyochika EndPage: ?
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