发明名称 Pour spout closure
摘要 A pour spout closure is provided having a base section and a cover section hingedly mounted thereon for selective movement between open and reclose positions. The base section is affixed to a surface of a container and in proximity to an opening formed in such surface. The base section has formed therein a dispensing aperture which is exposed when the cover section is in an open position. The dispensing aperture is in registered relation with the container opening. A flap, connected to a portion of the base section circumjacent the dispensing aperture, is folded relative thereto whereby a peripheral portion of the flap is adjacent the perimeter of the container opening. The cover section is provided with a protuberance which is sized to extend into the container opening when the cover section is in a reclose position. A predetermined exterior portion of the cover section protuberance is yieldably engaged by the flap peripheral portion when the protuberance extends into the container opening.
申请公布号 US4852764(A) 申请公布日期 1989.08.01
申请号 US19880235387 申请日期 1988.08.22
申请人 PACKAGING CORPORATION OF AMERICA 发明人 STONE, JAMES L.
分类号 B65D5/74 主分类号 B65D5/74
代理机构 代理人
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