| 摘要 |
PROBLEM TO BE SOLVED: To provide a deep-drawn package which is easy to open without providing an easy peel mechanism regardless of strong seal strength, and has both easy opening properties and easy tearing properties by using a bottom material and/or a lid material excellent in a straight line cut property. SOLUTION: In the easy-to-open deep-drawn package whose bottom material and lid material are sealed, the bottom material and/or the lid material have/has the straight cutting property of≤20 mm (an absolute value (M) of a shift amount of a 20-cm tear from a straight line drawn in the vertical direction (MD)). COPYRIGHT: (C)2010,JPO&INPIT
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