| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide knurls formed on the outer peripheral surface of a cap which are capable of facilitating the opening/closing of the cap by being divided into a plurality of divisions. <P>SOLUTION: A knurled cap 1 has knurls 3 formed on the outer peripheral surface of the cap 1 to facilitate the opening/closing of the cap, and consists of a plurality of the divided knurls. Each of the plurality of divided knurls consists of an uneven part in which an uneven member consisting of a recessed part and a projecting part is continuously formed, and a blank part having no uneven member. <P>COPYRIGHT: (C)2007,JPO&INPIT |
