| 摘要 |
<p>PRY-OFF CLOSURE CAP An improved pry-off closure cap is described. The cap has a composite structure comprising a metal cover disc held in a molded plastic ring. The plastic ring has an inner groove for retaining the metal cover and container engaging means consisting of either spaced lugs or a continuous bead positioned on a depending skirt portion of the ring and positioned below the cover retaining groove.</p> |
