发明名称 |
Disposable pump for dispensing small metered amounts of liquid from a container and a control unit for operating said pump |
摘要 |
A disposable pump of plastics material for dispensing small metered amounts of liquid from a single opening container to which it has been attached and which can be closed thereby, comprises a one piece housing and a cylindrical piston; the housing has gas inlet means for allowing gas to enter the container if any subatmospheric pressure should occur therein. A control unit for operating this pump comprises a programme for imparting a certain succession of rotative and sliding movements to the piston of said pump.
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申请公布号 |
US4364718(A) |
申请公布日期 |
1982.12.21 |
申请号 |
US19810237706 |
申请日期 |
1981.02.24 |
申请人 |
INTERNATIONALE OCTROOI MAATSCHAPPIJ "OCTROPA" BV |
发明人 |
BEUN, JACOBUS H.;VAN DUIJN, JAN |
分类号 |
F04B7/06;F04B13/02;G01F11/02;(IPC1-7):F04B39/10;B67D3/00 |
主分类号 |
F04B7/06 |
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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