초록 ▼

A sprayer includes a tank having a pump for pressurizing the liquid contents of the pump. The sprayer has a hose extending from the tank for receiving liquid directly from the pump, a spray control valve and discharge nozzle for directing the spray. One or more parts from the pump inlet to the disch

A sprayer includes a tank having a pump for pressurizing the liquid contents of the pump. The sprayer has a hose extending from the tank for receiving liquid directly from the pump, a spray control valve and discharge nozzle for directing the spray. One or more parts from the pump inlet to the discharge nozzle are adapted to fail after a certain period of time with reuse of the sprayer.

대표청구항 ▼

A limited time use sprayer comprising: a plastic tank having an exterior having a top and base and an interior for liquid to be dispensed; an inlet at the tank top for filling the tank with liquid; an outlet at the tank top for the liquid contained in the tank; pump means for forcing the liquid out

A limited time use sprayer comprising: a plastic tank having an exterior having a top and base and an interior for liquid to be dispensed; an inlet at the tank top for filling the tank with liquid; an outlet at the tank top for the liquid contained in the tank; pump means for forcing the liquid out the outlet under pressure, the pump means including a cylinder and piston movable in the cylinder, the piston having a piston rod having an outer end extending exteriorly of the tank top and a handle on the outer end of the piston rod the cylinder being disposed in the tank and having an outer end and an inner end, the tank having surfaces proximal the cylinder outer end; a hose having a proximal end extending from the tank outlet and having a distal end; a control valve associated with the hose for controlling an amount of discharge of the liquid that is sprayed; a discharge nozzle and rod means coupled with the distal end of hose for the selected discharge pattern of the liquid to be sprayed; and failure means interposed between the cylinder inner end and discharge nozzle for failing after a predetermined time and use to render the sprayer nonfunctional so that the sprayer cannot be reused.