发明名称 |
Pump dispenser having passive venting means |
摘要 |
A retainer for holding a pump body onto a container is formed with an annular trough having a passage offset from the axis of the retainer and permitting escape of build-up pressure in the container to the outside. The trough has a radial surface in which the passage terminates. An annular laminate layer of gas-permeable/liquid impermeable material is secured to the radial surface covering the passage.
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申请公布号 |
US6257455(B1) |
申请公布日期 |
2001.07.10 |
申请号 |
US19990466514 |
申请日期 |
1999.12.17 |
申请人 |
OWENS-ILLINOIS CLOSURE INC. |
发明人 |
TREPINA GEORGE R.;BLOOM KENNETH S.;KEUNG WING-KWONG;JAICHANDRA DORAISWAMI |
分类号 |
B05B11/00;(IPC1-7):B67D5/58;B67D5/40 |
主分类号 |
B05B11/00 |
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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