| 发明名称 |
Non-leaking pump spray valve |
| 摘要 |
A non-leaking pump spray valve having a dispensing plunger which is vertically movable so as to depress or raise a sealing disc which is preferably flexible and of a flap type.
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| 申请公布号 |
US4214682(A) |
申请公布日期 |
1980.07.29 |
| 申请号 |
US19770809081 |
申请日期 |
1977.06.23 |
| 申请人 |
THOMAS, THOMAS A JR |
发明人 |
THOMAS, THOMAS A JR |
| 分类号 |
B05B11/00;(IPC1-7):G01F11/02 |
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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