发明名称 Expandable Easy Opening Dough Package
摘要 An easy opening flexible package is provided. The package is suitable for containing raw dough and other products, especially products that create pressure within the package by expansion or by giving off gas such as carbon dioxide.
申请公布号 US2016229614(A1) 申请公布日期 2016.08.11
申请号 US201514616246 申请日期 2015.02.06
申请人 SONOCO DEVELOPMENT, INC. 发明人 Huffer Scott William
分类号 B65D75/58;B65D65/14;B65D65/40;B65D85/72 主分类号 B65D75/58
代理机构 代理人
主权项 1. A flexible package comprising: a flexible laminate film comprising a flexible inner layer and an outer layer substantially coextensive with and laminated to the inner layer; an undercut formed only in the inner layer and having a starter end; an overcut formed only in the outer layer and substantially surrounding the undercut, the overcut defining a pull tab region; a pressure sensitive adhesive located in a first predetermined pattern on the outer facing surface of the inner layer and in substantial registration with the overcut, the first predetermined pattern comprising two elongated sides located on either side of the undercut and a bottom connecting the sides; a permanent adhesive located in a second predetermined pattern between the inner layer and the outer layer outside the pull tab region; and an easy opening feature formed in the package, the easy opening feature comprising: a pull tab formed in the outer layer and having a length and a perimeter defined by the overcut; and a heat seal disposed between the inner layer and the outer layer and overlaying the undercut to hold the undercut closed until a predetermined length of the pull tab is lifted from the package.
地址 Hartsville SC US