| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a mask being worn without placing burden to the ears by adjusting the length of rubber to the size of a user's face. <P>SOLUTION: This rubber adjuster for the mask uses an adjuster for a rubber string of an oral mask formed with cuts in a pipe, has a tubular shape with the cuts in both ends and catches the rubber of the mask. <P>COPYRIGHT: (C)2007,JPO&INPIT |
