Patent ID: 6591999
Filing Date: 2003-07-15
Classification: B29C,B29L,B65D

Abstract:
An opening device for a package containing a pourable food product, said device comprising:a peripheral member defining a pour opening; a partition member connected to said peripheral member to close said pour opening, and which is at least partly detachable from the peripheral member along at least a first preferential tear line; an opening member connected to said partition member and which is operated to detach the partition member from said peripheral member along said first preferential tear line and so expose said pour opening; an air inlet hole being formed in said partition member; a bridge member connecting said opening member to said partition member and having sealing means for sealing said hole and which are broken by operation of said opening member to allow air through the hole prior to commencing detachment of said partition member from said peripheral member, said opening member being arranged in a position overlaying said partition member, said sealing means and said hole which is broken by operation of said opening member; said opening member comprising a tongue having a first end portion connected to a peripheral edge portion of said partition member, a free, pull-up second end portion, and an intermediate portion connected to a central portion of said partition member by said bridge member wherein said partition member, said opening member, said bridge member, and said sealing means are one piece formed and made from a plastic material.