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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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