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    • 3. 发明公开
    • PACKAGE INTEGRITY FEATURE FOR PACKAGING
    • EP3936458A1
    • 2022-01-12
    • EP21192553.2
    • 2015-09-11
    • Sonoco Development, Inc.
    • BRANYON, Jacob Donald PrueGIORGIO, HugoGAGNE, Joseph DonaldSMITH, Eugene
    • B65D75/58
    • A package integrity feature (50) defined by a film laminate comprises an outer film layer (30); an inner film (25) layer adhered to the outer film layer in an area within a peelable flap portion (20) of the laminate, wherein the inner film layer comprises a package integrity feature comprising: a first die cut portion (52) extending from a main die cut portion (40), wherein the main die cut portion at least partially defines an opening (45) of the laminate; and a second die cut portion (54) extending from the main die cut portion, wherein the first and second die cut portions are continuous with each other and with the main die cut portion, and wherein the first and second die cut portions define: a neck region (56) of the package integrity feature having a reduced width and configured to tear as an opening force is applied to the laminate by a user, wherein tearing of the neck region provides access, via the opening, to contents stored within the laminate in a tamper evident manner, and an anchor region ((58) configured to resist the opening force applied by the user such that the neck region tears in response to application of the opening force, wherein the anchor region is configured to have sufficient surface area to remain secured to the peelable flap such that tearing of the package integrity feature occurs at the neck region.