1. Field of the Invention
The invention relates to liquid dispensers of the roll-on type, in which a plastic ball mounted in the mouth of a glass bottle serves to dispense a controlled amount or film of liquid or paste in the bottle, by the well-known procedure of disposing the bottle at an angle to the vertical, or upside down, and rubbing or rolling the ball against a surface which is to receive the liquid.
2. Description of the Prior Art
Numerous types of prior art roll-on liquid dispenser bottles have been proposed. Many prior art configurations present a one-piece molded bottle body with the ball mounted in the mouth of the bottle. Other prior art bottles entail the provision of an insert which extends into the mouth of the bottle, with the ball mounted in the insert. Among the abundance of prior art disclosures may be mentioned U.S. Pat. No. 2,749,566.