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Title:
EASY-TO-PEEL LID
Document Type and Number:
Japanese Patent JP2003276774
Kind Code:
A
Abstract:

To provide an easy-to-peel lid to be put over a cup container 30 made of an expanded polystyrene or the like for thermally fusion-bonding a periphery 22 of the lid 20, wherein a paper material layer 4 of the lid 20 without an aluminum foil laminated is resistant to an influence of steam generated from hot water and dead foldability is applied to an easy-to-peel layer 6 of the lid 20 by suppressing its properties to restore to an original shape.

The easy-to-peel lid 20 comprises the paper material layer 4, the resin film layer 5 and the easy-to-peel layer 6. One or more strings of linear of perforated cut lines 2, 2, 2, etc., and 3, 3, 3, etc., extending in a direction orthogonal to the direction of opening the lid are provided respectively on the easy-to-peel layer 6 and the paper material layer 4 except the periphery 22 of the lid 20 to be thermally fusion-bonded.


Inventors:
KANEKO KENICHI
NAKAMURA YUKIHIRO
Application Number:
JP2002080571A
Publication Date:
October 02, 2003
Filing Date:
March 22, 2002
Export Citation:
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Assignee:
TOPPAN PRINTING CO LTD
International Classes:
B65D81/34; B65D53/04; B65D81/30; (IPC1-7): B65D81/34; B65D53/04; B65D81/30



 
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