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Flexible Packaging Structure With Built-In Tamper-Evidence Features and Method for Making Same
Flexible Packaging Structure With Built-In Tamper-Evidence Features and Method for Making Same
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机译:具有内置篡改证据功能的柔性包装结构及其制造方法
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摘要
A flexible packaging laminate has built-in opening/reclose and tamper-evidence features by forming the laminate from an outer structure joined in face-to-face relation to an inner structure. Score lines are formed in both structures to enable an opening to be formed through the laminate by lifting a flap or the like out of the plane of the laminate. The score line through the outer structure defines a larger opening than the score line through the inner structure, such that a marginal region of the outer structure extends beyond the edge of the opening portion of the inner structure. A pressure-sensitive adhesive is used to re-adhere the marginal region to an underlying surface of the inner structure adjacent the opening through the laminate. The outer score line includes at least one tab positioned within a heat seal region of the laminate.
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