B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
222/78
B05B 11/00 (2006.01) F04B 11/00 (2006.01)
Patent
CA 1060398
Abstract of the Disclosure A sprayer wherein there is formed in a sprayer body a pressurizing cylinder defining a pressurizing chamber communi- cating with a pressure accumulating chamber defined by a pressure accumulating cylinder in which a valve rod is slidably received. The pressurizing cylinder has a smaller diameter than the pressure accumulating cylinder. A piston is slidably inserted into the pressurizing cylinder. When a liquid received in the pressurizing chamber is pressurized by bringing down the piston in the pressurizing cylinder of the smaller diameter, then a higher pressure than the pressing force of the piston is applied by Pascal's principle to the valve rod against the urg- ing force of a pressure accumulating spring disposed behind the valve rod, because the valve rod has a larger diameter than the piston. When the high pressure is applied to the pressure accumulating spring, then a highly pressurized liquid can be sprayed, though the piston itself applies a relatively low pres- sing force and since the pressure accumulating spring is received in the pressure accumulating cylinder of the larger diameter, a spring having a large capacity of accumulating pressure can he used for accumulation of pressure.
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