作者: John Prizzi , Barry R. Reese , Lea Wayne
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摘要: A flexible packaging structure has built-in opening features in a laminate with first adhesively joined to second structure. tear area is formed by laser ablation of the along junction between and portions preferably prior assembling into package. Laser begins at center progressively moves direction radially outward from area. During assembly package, seal end laminate. score line sealant reduction are also introduced package facilitate opening. The opened pulling near until contents accessible.