发明名称 |
Removable seal for liquid containers |
摘要 |
A removable seal for a liquid container comprising a flexible liquid impervious sealing member for sealing an end of the container which sealing member is held against the end by a screw closure having a perforate top wall so that application of pressure upon the sealing member through the top wall disengages the sealing member.
|
申请公布号 |
US3941270(A) |
申请公布日期 |
1976.03.02 |
申请号 |
US19740436766 |
申请日期 |
1974.01.25 |
申请人 |
ALLIED CHEMICAL CORPORATION |
发明人 |
SPIELMAN, BURTON A. |
分类号 |
B65D81/32;(IPC1-7):B65D51/16 |
主分类号 |
B65D81/32 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|