METHOD FOR MENDING METALLIC PLATE AND METHOD FOR MANUFACTURING MOLD

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United States of America Patent

APP PUB NO 20190094150A1
SERIAL NO

15527276

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention provides a method for mending projection and recess defects existing on the surface of a metallic plate, wherein steps (1) to (2) are repeated until it is determined in step (1) that mending of the projection and recess defects on the surface of the metallic plate is no longer necessary. Step (1): A step for shining light onto the surface of the metallic plate, detecting the positions of projection and recess defects on the surface of the metallic plate according to the brightness distribution on the metallic plate, the brightness distribution being obtained from reflected light, quantifying the brightness intensities of the projection and recess defects, and determining whether it is necessary to mend the projection and recess defects. Step (2): A step for mending the projection and recess defects for which it is determined in step (1) that mending is necessary.

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI CHEMICAL CORPORATION1-1 MARUNOUCHI 1-CHOME CHIYODA-KU TOKYO 1008251 ?1008251

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
ISHIHARA, Kei Tokyo, JP 7 25
KAJIWARA, Tooru Tokyo, JP 3 2
NAGASE, Junichi Tokyo, JP 35 236
OBATA, Hiroshi Tokyo, JP 37 174

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