SYSTEM FOR NON-DESTRUCTIVELY INSPECTING AND DETERMINING SEALING OF ALUMINUM POUCH BY USING ULTRASONIC WAVES

WIPO Patent Application WO/2018/147586

A2

The present invention relates to a system for non-destructively inspecting and determining sealing of an aluminum pouch by using ultrasonic waves, the system comprising: an ultrasonic wave generation unit comprising probes which generate ultrasonic waves, and transmit and receive the ultrasonic signals to and from an object of a non-destructive inspection, placed on an inspection table; an interface unit for transmitting an ultrasonic signal, received from the ultrasonic wave generation unit, to an ultrasonic wave generation data control unit; the ultrasonic wave generation data control unit for processing the ultrasonic data received from the interface unit; a sealing defect determination unit for determining whether sealing is defective, on the basis of the processed ultrasonic data; and a display unit for displaying the determination result on a monitor. The present invention uses a transmittance of an ultrasonic wave to implement a color-marked area such that a dense area (sealing part) of a transmissive part having a high transmittance is marked in red and a low-dense area (air part) of a transmissive part having a low transmittance is marked in blue, and thus makes it possible to detect and check an unsealed part of an aluminum pouch through a non-destructive inspection.

KOO SANG HYUN (KR)
KIM SEOK JIN (KR)
KU CHA HUN (KR)

PCT/KR2018/001291

August 16, 2018

January 30, 2018

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LG CHEMICAL LTD (KR)

G01N29/24; G01N29/04; G01N29/36

See references of EP 3480592A4

KIM, Hong Gyun (KR)

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