| 摘要 |
PROBLEM TO BE SOLVED: To provide a paper bag provided with an improvement in oil-proof characteristics. SOLUTION: This paper bag is formed by folding a paper made of pulp whose fiber surface is branched off. Because of this, when an oil containing item such as a potato chip, a water containing item such as 'tofu', or a machine oil attached item such as a machine part is placed in the bag, the paper blocks the oil or water leaving a hand or a dish clean. In addition, because it is in a bag shape, it prevents oil or water from leaking or dropping. Moreover, it is easily thrown away because the paper contains no silicon or plastic. COPYRIGHT: (C)2005,JPO&NCIPI
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