FLOW PATH SEALING STRUCTURE, BAG-SHAPED CONTAINER, AND METHOD OF MANUFACTURING THE SAME
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United States of America
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Issued Date -
Jun 30, 2022
app pub date -
Mar 17, 2022
filing date -
Mar 17, 2022
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Abstract
A flow path sealing structure according to at least one embodiment of the present disclosure, which is disposed on a way of a flow path formed by fusion bonding a pair of resin sheets that are superimposed on each other, includes a widened portion surrounded by a widened seal portion formed by fusion bonding together the pair of resin sheets around a periphery thereof, and one end and another end of which are in communication with the flow path, together with being formed to be wider than the flow path, and a weakly sealed portion formed to extend in a widthwise direction in the widened portion, and which partitions the widened portion in a liquid-tight and airtight manner into the one end and the other end, together with being capable of being opened by increasing an internal pressure of the widened portion.
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