Non-aerosol continuous spray dispenser
First Claim
1. A portable hand operated non-aerosol spray device comprising an unsupported elongate container, a plunger slidable within the container in sealing engagement with the side walls of the container, an elongate tubular member having a passage extending continuously therethrough, one end of the tubular member extending through the plunger for communication with the interior of the container, a spray nozzle communicating with the bore at the other end of the tubular member for dispensing liquid material which passes from the interior of the container through the bore of the tubular member to the nozzle in response to decrease in volume occupied by the liquid between the plunger and the bottom of the container, means for effecting relative movement between the plunger and the container limited to the direction towards each other for continued reduction in volume between the plunger and the bottom wall of the container, said means providing a finger grip forming a part of the portable device.
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Accused Products
Abstract
A non-aerosol type spray device comprising a container for housing a liquid content material to be dispensed and a plunger slidable as a piston within the container and an elongate tubular member for actuating the plunger with a bore extending continuously therethrough for communication with the interior of the container at one end and communnication with a spray nozzle at the other for passage of the liquid content material from the container through the bore to the spray nozzle in response to displacement of the plunger.
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Citations
14 Claims
- 1. A portable hand operated non-aerosol spray device comprising an unsupported elongate container, a plunger slidable within the container in sealing engagement with the side walls of the container, an elongate tubular member having a passage extending continuously therethrough, one end of the tubular member extending through the plunger for communication with the interior of the container, a spray nozzle communicating with the bore at the other end of the tubular member for dispensing liquid material which passes from the interior of the container through the bore of the tubular member to the nozzle in response to decrease in volume occupied by the liquid between the plunger and the bottom of the container, means for effecting relative movement between the plunger and the container limited to the direction towards each other for continued reduction in volume between the plunger and the bottom wall of the container, said means providing a finger grip forming a part of the portable device.
Specification