发明名称 VERPACKUNGSMATERIAL MIT EINER ÖFFNUNGSVORRICHTUNG, VERPACKUNG AUS DIESEM MATERIAL UND VERFAHREN ZU DEREN HERSTELLUNG
摘要 The disclosure relates to a packaging material (1) with an integrated opening arrangement (4), and a method of producing the same. The foundation layer (3) of a packaging material web (1) or a packaging material sheet is provided with a hole (5) or a hole indication (15). The hole (5) or the hole indication (15) is covered by a thin thermoplastic strip (7). Thereafter, the packaging material (1) is finished, with other laminate layers (8, 9, 10, 12). In such instance, the outer layer (12) will wholly cover the strip (7). When the strip (7) is torn off, the hole (5) is exposed in that those layers (8, 9, 10, 12) which are sealed to the strip (7) accompany the strip (7) when torn off. <IMAGE>
申请公布号 AT138866(T) 申请公布日期 1996.06.15
申请号 AT19930104453T 申请日期 1993.03.18
申请人 TETRA LAVAL HOLDINGS & FINANCE SA 发明人 ANDERSSON, INGVAR;ANDERSSON, THORBJOERN
分类号 B65D5/74;B65D5/70;(IPC1-7):B65D5/72 主分类号 B65D5/74
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