Envelopes – wrappers – and paperboard boxes – Paperboard box – Thermally insulated
Patent
1990-10-09
1991-10-01
Fidei, David T.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Thermally insulated
22912515, 220 902, 206217, B65D 7728
Patent
active
050526146
ABSTRACT:
A modified drinking straw having one end with ear-shaped extrados or expanded portion insertable into a modified straw hole on a beverage-containing package consisting of an outer paperboard carrier layer and an inner foil sealing layer to generate necessary air exchange passages between said straw and said sealing layer after inserting said straw into said beverage package, to avoid unexpected and undesired spewing or spraying of drink fluid from the straw by allowing air out when the package compressed under holding finger force. This invention also allows easier drinking due to less sucking effort with the help of the entry air pressure when sucking the beverage. The modification of the straw and the straw hole structure can be easily implemented using the current package manufacturing method and process.
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