Double container and exterior sleeve used in double container
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United States of America Patent
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Mar 26, 2019
Grant Date -
Jan 18, 2018
app pub date -
Feb 25, 2016
filing date -
Feb 25, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A double container includes: an inner container having a cylindrical barrel portion the upper circumferential edge of which is formed to have a curled portion, and a bottom portion provided on a lower end of the barrel portion so as to close the lower face thereof; and a exterior sleeve) which covers the barrel portion, and is secured thereto, so as to form a thermal insulating space between itself and the outer side of the barrel portion. The outer surface of the barrel portion of inner container is provided over the entire circumference thereof with a plurality of elongated projections, which consist of thermoplastic resin, arranged in a row and spaced apart in the circumferential direction, the projections extending in elongated fashion circumferentially and each having an amount of projection of 1.0 to 2.0 mm.
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