A closure having an insert which acts as a barrier over a container neck lip to selectively shield the product being packaged. An elastic sealing member which can be in the form of an O-ring is compressed between the insert and the container neck lip by a threaded cap of the container.
申请公布号
CA2008707(A1)
申请公布日期
1990.08.13
申请号
CA19902008707
申请日期
1990.01.26
申请人
HAWKINS, H. GENE;JULIAN, RANDALL K.;MONTGOMERY, GARY V.
发明人
HAWKINS, H. GENE;JULIAN, RANDALL K.;MONTGOMERY, GARY V.