发明名称 Vacuum package with flexible end
摘要 A vacuum package comprising a composite container of multi-ply paper and foil construction having the contents thereof retained in a vacuum environment, a container rigidifying end cap sealing one end thereof and a flexible tearable membrane sealing the other end with a plastic overcap at the membrane end, said membrane being inwardly flexed by atmospheric pressure against the container contents for a compaction thereof and a corresponding rigidification of the vacuum pack.
申请公布号 US4098404(A) 申请公布日期 1978.07.04
申请号 US19750544500 申请日期 1975.01.27
申请人 SONOCO PRODUCTS COMPANY 发明人 MARKERT, HERMAN RUPERT
分类号 B65D3/04;B65D25/16;B65D81/20;(IPC1-7):B65D3/10;B65D3/22 主分类号 B65D3/04
代理机构 代理人
主权项
地址
您可能感兴趣的专利