发明名称 |
Dispensing closure with pressure-actuated flexible valve |
摘要 |
A dispensing closure is provided for an opening in an squeeze-type container and includes a body defining a dispensing passage for communicating between the container interior and the container exterior through a container opening. A flexible, self-sealing valve is mounted in the body for opening in response to increased container pressure. A retaining ring is provided for retaining the valve in the body.
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申请公布号 |
US5271531(A) |
申请公布日期 |
1993.12.21 |
申请号 |
US19930054863 |
申请日期 |
1993.04.27 |
申请人 |
SEAQUIST CLOSURES, A DIVISION OF PITTWAY CORP. |
发明人 |
ROHR, ROBERT D.;HESS, III, JOHN M. |
分类号 |
B65D47/08;B65D47/20;(IPC1-7):B65D37/00 |
主分类号 |
B65D47/08 |
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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