发明名称 Closure and container having pass over inter-engaging ratchet teeth
摘要 A closure and container having pass over inter-engaging teeth of novel configurations enable the closure to be threadably engaged on the neck finish of the container with relatively low torque rotation and removed from the container only with relatively greater torque rotation in the opposite direction.
申请公布号 US4991733(A) 申请公布日期 1991.02.12
申请号 US19890411838 申请日期 1989.09.25
申请人 WEST PENN PLASTIC, INC. 发明人 MARINO, MICHAEL
分类号 B65D41/04 主分类号 B65D41/04
代理机构 代理人
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