专利名称：TEAR-OPEN CONTAINER发明人：LARS CHRISTER CARLSSON申请号：AU3939778申请日：19780830公开号：AU526177B2公开日：19821223
摘要：Containers made of flexible material often have opening arrangements in theform of a tear strip for opening an outlet aperture. The tear strip constitutes a part ofthe container wall and is limited by a weakening line. To facilitate initiation of the tear-open operation a short length of the weakened line has the form of a cut or cuts
extending fully through the material. Two or more cuts may form a lug or projection, andif located at a fold line of the container blank the lug or projection may be arranged toautomatically extend outwards from the finished container.
申请人：TETRA PAK INTERNATIONAL AB
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