发明名称 Bag closure
摘要 A bag closure for polyethylene bags of the "pony-tail" variety is disclosed. The closure is reusable, easy to manufacture and use, prevents the bag from inadvertently opening, and is amenable to printing thereon. It comprises a base portion and a tongue portion formed thereform and integrally connected thereto. Adjacent the connection between the base and tongue portions the tongue has a pair of opposed neck areas and the minimum width of the opening in the base portion created by formation of the tongue portion is substantially equal to the minimum distance between the neck areas. In use the bunched bag sides are trapped between the tongue and base portions, the base portion is bent around the bunched bag sides and the tongue portion is drawn or pulled through the opening until the adjacent edges or the opening lockingly engage the neck areas of the tongue when the bag is fully encompassed. The closure can be released to permit opening of the bag and can be re-locked to again fully close the bag.
申请公布号 US4174554(A) 申请公布日期 1979.11.20
申请号 US19780924725 申请日期 1978.07.14
申请人 BONAR AND BEMIS LTD 发明人 FLANTUA, GYSBERTUS
分类号 B65D33/16;(IPC1-7):B65D77/10 主分类号 B65D33/16
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