发明名称 |
Device for delivering a composition, the device including a membrane forming a check valve |
摘要 |
The device includes a membrane slidably mounted in a metering chamber, the membrane including a first sealing element forming a check valve, and a second sealing element enabling the membrane to slide in a leaktight manner relative to the metering chamber. The first and second sealing elements are made of a material that is relatively flexible, the membrane also including a rigid portion made of a material that is more rigid than the material of the first and second sealing elements. |
申请公布号 |
US8408428(B2) |
申请公布日期 |
2013.04.02 |
申请号 |
US20100701299 |
申请日期 |
2010.02.05 |
申请人 |
DONNETTE XAVIER;CAMBA JOSE;PAINCHAUD GAETAN;LANZI SYLVAIN;REXAM HEALTHCARE LA VERPILLIERE |
发明人 |
DONNETTE XAVIER;CAMBA JOSE;PAINCHAUD GAETAN;LANZI SYLVAIN |
分类号 |
B65D83/76;B05B11/00;G01F11/00 |
主分类号 |
B65D83/76 |
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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