Pin hole inspection apparatus and method
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United States of America Patent
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Nov 14, 2023
Grant Date -
Oct 5, 2023
app pub date -
May 24, 2022
filing date -
Apr 1, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed are a pin hole inspection apparatus and method for determining whether or not the vacuum-packed state of a Front Opening Shipping Box (FOSB) vacuum-packed with film paper is defective. The pin hole inspection apparatus includes a receiving unit configured such that the FOSB vacuum-packed with the film paper is received thereon and supported thereby, an adsorption unit vacuum-adsorbed onto a target part of the film paper, configured to surround the FOSB received on and supported by the receiving unit, so as to pull the film paper, a displacement measurement unit configured to measure a degree of swelling of the film paper pulled through the adsorption unit, and a processing unit configured to determine whether or not a pin hole is generated by comparing a measurement displacement value acquired through the displacement measurement unit with a pre-stored reference displacement value.
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