Ultrasonic inspection device and ultrasonic inspection method
A technology for inspection devices and inspection methods, applied in the generation of ultrasonic/sonic/infrasonic waves, the analysis of solids using sound waves/ultrasonic waves/infrasonic waves, and the use of sound waves/ultrasonic waves/infrasonic waves for material analysis, etc.
Active Publication Date: 2020-02-21
YAMAHA FINE TECHNOLOGIES CO LTD
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
If the ultrasonic inspection device receives such diffracted waves, it may be a cause of misjudgment of whether peeling has occurred
Method used
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Embodiment approach
[0021] First, an embodiment will be described.
[0022] figure 1 It is a block diagram showing a configuration example of the ultrasonic inspection system 1 according to the embodiment. The ultrasonic inspection system 1 inspects an inspection object 40 using ultrasonic waves. exist figure 1 In the illustrated example, the ultrasonic inspection system 1 includes a display device 10 , an ultrasonic inspection device 20 , and a transport device 30 .
[0023] The display device 10 displays various information related to ultrasonic examination output from the control unit 22 of the ultrasonic examination device 20 . Various types of information on the ultrasonic inspection include, for example, information on the object 40 to be inspected, the wavelength and intensity of the transmitted ultrasonic waves, the speed at which the object 40 is transported, the analysis results of the received ultrasonic waves, and judgments. Information such as the result of judging whether there ...
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The purpose of the present invention is to provide an ultrasonic inspection device capable of inspecting peeling of a bonded portion of an object to be inspected without extending the inspection time.In the ultrasonic inspection device, an object to be inspected in which a peripheral portion of a sheet member is formed as an object to be joined is disposed between a transmitting part and a receiving part arranged at an interval. Ultrasonic waves are transmitted from the transmitting unit to a peripheral portion, which is a portion to be joined, on the object to be inspected, and peeling of the peripheral portion is inspected by receiving the ultrasonic waves transmitted from the transmitting unit by the receiving unit; the present invention is provided with an inspection unit for inspecting the object to be inspected in the direction along a boundary line, the inspection unit having, as an inspection site, a boundary region determined on the basis of the boundary line between the siteto be joined and a site to be non-joined that is not the site to be joined in the peripheral edge section.
Description
technical field [0001] The present invention relates to an ultrasonic inspection device and an ultrasonic inspection method for inspecting, for example, the presence or absence of peeling at a joined portion of a packaging container formed by joining sheet members. Background technique [0002] Conventionally, retort (retort) foods, drinking water, and the like are housed in a bag-shaped packaging container in an airtight state. In this packaging container, the peripheral portion of the sheet member (including the film member) is bonded by fusing, bonding, etc. to form a bag shape, and the opening is closed after the contents are accommodated inside. If such a packaging container is peeled off at the junction, the content contained in the packaging container may leak, so the junction is inspected at the manufacturing stage. [0003] In this inspection, for example, an ultrasonic inspection device is used. The ultrasonic inspection device transmits ultrasonic waves to a pac...
Claims
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IPC IPC(8): G01N29/04
CPCG01N29/04G01N2291/023G01N29/343G01N29/075G01N29/043G01N29/11G01N29/27G01N2291/0237G01N2291/0258G01N2291/048G01N2291/102G01N29/34G01N29/12G01N2291/0289G01N2291/0231
Inventor 奈良晃宽
Owner YAMAHA FINE TECHNOLOGIES CO LTD