| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve the sealing performance of an infusion bottle or the like using a cap by improving the adhesion in a contact face 11 between an outer frame 1 and a stopper 2 in a medical cap comprising an outer frame and an elastomer stopper. <P>SOLUTION: The medical cap is provided with the plastic outer frame 1 and the thermoplastic elastomer resin stopper 2, an inner wall 11 of the outer frame is provided with at least either of a projection part projecting to the stopper side or a recess part recessed in the opposite side of the stopper, or a coarse surface, the stopper is composed of a compression molding welded to the outer frame, or thermoplastic elastomer resin having no orientation by a resin flow; and this cap is provided with a bonded part bonded to the inner wall in a symmetrical shape corresponding to the inner wall shape of the outer frame. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
