发明名称 Packing containers with ripping thread opening and packing material webs for the manufacture of the packing containers
摘要 In a packing container of the type comprising two sealing joints crossing each other whereby a sealing joint forms a sealing fin in which the packaging material is joined inside to outside, a ripping strip or thread is provided adjacent the inside of the sealing fin and with a portion thereof accessible from the exterior of the container.
申请公布号 US4027455(A) 申请公布日期 1977.06.07
申请号 US19750572092 申请日期 1975.04.28
申请人 TETRA PAK DEVELOPPEMENT SA 发明人 RAUSING, RUBEN;NEDSTEDT, GERT;HOLMSTROM, HAKAN;PALM, LARS-ERIK;STEFAN, STJEPAN
分类号 B31B1/90;B65B61/18;B65D5/06;B65D75/68;(IPC1-7):B65B61/18 主分类号 B31B1/90
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