Composite vessel excellent in preservability and process for preparation thereof
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 5, 1985
Grant Date -
N/A
app pub date -
Dec 30, 1982
filing date -
Jan 11, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed is a function-separated composite vessel excellent in the easy openability, preservability and resistance to the deformation due to reduction of the pressure, which comprises a cup-shaped outer member composed of a paper substrate and a flexible seamless cup-shaped inner member composed of a gas-barrier plastic material, wherein the peripheral wall face of the inner member is substantially exactly fitted in the inner side of the outer member but is not bonded to the wall face of the outer member and an opening of the inner member is bonded to a curl portion or flange portion formed on an opening of the outer member.
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Cited Art Landscape
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