WELDING INSPECTION DEVICE
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United States of America Patent
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Issued Date -
Jul 24, 2014
app pub date -
Jun 6, 2012
filing date -
Jun 7, 2011
priority date (Note) -
Abandoned
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Abstract
An inspection unit of a welding inspection device includes: a striking device having a striking member that applies an impulsive force to a press molded article, a drive mechanism that applies a drive force to the striking member, and an urging member that urges the striking member; a microphone to which sound waves generated from the press molded article; and a detection device that detects a welding state of the press molded article. The striking member applies the impulsive force to the press molded article in a state in which the drive force by the drive mechanism is cut off and the striking member is urged by the urging member in the direction opposite to the application direction, and after application of the impulsive force to the press molded article, the striking member is forcibly pulled back in the direction opposite to the application direction by the urging member.
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