发明名称 |
Method of producing vacuum sealed packs - consists of fixing fastening strip to the bag's top flap, bending it twice to form loop |
摘要 |
The method of producing vacuum-sealed packs consists of fixing a fastening-strip (14) to the top-flap (11) of the bag. At least one end of the strip is bent twice round to form a loop (18). The points of the loop end near the second bend rest on the one side of the strip. Part of the strip on the other side is fixed to the top flap. USE/ADVANTAGE - Products are prevented from losing their aroma or from oxidation by means of the vacuum-sealed pack.
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申请公布号 |
CH678615(A5) |
申请公布日期 |
1991.10.15 |
申请号 |
CH19900001885 |
申请日期 |
1990.06.05 |
申请人 |
SIG SCHWEIZERISCHE INDUSTRIE-GESELLSCHAFT |
发明人 |
GRAF, HEINRICH |
分类号 |
B65D33/30 |
主分类号 |
B65D33/30 |
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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