Synthetic resin multilayer bottle
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United States of America Patent
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Dec 12, 2023
Grant Date -
Apr 4, 2019
app pub date -
Mar 22, 2017
filing date -
Mar 22, 2016
priority date (Note) -
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Abstract
A synthetic resin multilayer bottle includes an outer shell bottle and an inner container. The outer shell bottle is capable of restoring itself to its original shape against external pressure. The shoulder portion has a polygonal pyramidal shape, and the bottom portion has a polygonal pyramidal shape, including ridge lines continuing to the extended lines of the polygonal pyramidal ridge lines of the shoulder portion. The inner container includes a an inner container body having a shape extending along the internal shape of the outer shell bottle. It further includes an air passage formed between the outer mouth portion and the inner mouth portion.
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