发明名称 |
Precompression valve for trigger sprayer |
摘要 |
The trigger sprayer comprises: a body having a cylinder therein; a liquid inlet in communication with the cylinder; an outlet waterway in communication with the cylinder; an outlet nozzle which has an outlet orifice and which is movable to and from a position in communication with the waterway; a piston having an inner and an outer end and being received in said cylinder and being movable between an outer at rest position and an inner pumping stroke position during the pumping strokes of the piston in the cylinder; a trigger operatively coupled to the body and acting on the outer end of the piston; a precompression valve in the cylinder, the valve being operable to allow liquid in the cylinder to enter the waterway only after a predetermined pressure is established in the cylinder and to stop liquid from entering the waterway when the pressure in the cylinder falls below the predetermined pressure; and, biasing structure for biasing the piston away from the valve. |
申请公布号 |
AU2118795(A) |
申请公布日期 |
1995.10.03 |
申请号 |
AU19950021187 |
申请日期 |
1995.03.09 |
申请人 |
AFA PRODUCTS, INC. |
发明人 |
WILHELMUS J. J. MAAS;PETRUS L. W. HURKMANS |
分类号 |
G01F11/06;B05B11/00;B65D47/34;B65D83/76;F16K21/00 |
主分类号 |
G01F11/06 |
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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