| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hinge cap of which the unsealing hysteresis designation function of a top lid is improved in the hinge cap in which the top lid is coupled by a hinge to a cap body. <P>SOLUTION: A belt-like cover member such that covers the outer peripheral portion of the tip in a collar portion for unsealing is coupled via a breakable striae lines or a score in a portion in which the collar portion for unsealing a closed top lid is positioned in the outer face of the tubular sidewall of the cap body, and side portions in a portion of which the lower face of the skirt portion of the top lid and the upper face of the top plate portion of the cap body are made to face each other is characterized by being covered by a thin wall projecting piece provided on the outer peripheral edge in the top plate portion of the cap body or on the outer peripheral edge in the lower end of the skirt portion of the top lid except for a region on which the above belt-like cover member is provided and a region on which a hinge coupling portion is formed, when the top lid is closed. <P>COPYRIGHT: (C)2004,JPO |
