发明名称 Easy open method, package, and apparatus
摘要 A method of packaging an article comprises wrapping the article in a plastic film; and heat sealing the film using a sealing apparatus comprising a main sealing element, and a second sealing element attached at an angle to the main sealing element, and shorter than the main sealing element, such that when the film is sealed, a sealed notch that can be used to initiate opening of the package is made. A package comprises an article wrapped in a plastic film, the film being heat sealed to form a seal, the seal comprising a main seal, and a second seal attached at an angle to the main seal, and shorter than the main seal, and defining a sealed notch that can be used to initiate opening of the package. A sealing apparatus for making an easily opened package comprises a main sealing element, and a second sealing element attached at an angle to the main sealing element, and shorter than the main sealing element, and capable of creating a sealed notch that can be used to initiate opening of the package.
申请公布号 US5806280(A) 申请公布日期 1998.09.15
申请号 US19950491205 申请日期 1995.06.16
申请人 W. R. GRACE & CO.-CONN. 发明人 SU, PHILIP
分类号 B65B61/18;(IPC1-7):B65B61/18 主分类号 B65B61/18
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