| 摘要 |
PROBLEM TO BE SOLVED: To prevent a finger sack from revolving between the inner face of the finger sack and a finger even when the finger sweats in the finger sack during using the finger sack. SOLUTION: The finger sack comprises a cylindrical finger sack main body composed of a relatively flexible rubber material with a closed top end part and a number of hollows formed on the upper part of the main body. The hollows have different sizes and shapes, and respectively adjoining each other by remaining their outer contours on the inside peripheral face of the finger sack main body, on which a number of longitudinal channels are formed at established intervals. COPYRIGHT: (C)2005,JPO&NCIPI
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