Chemical dispenser

Claim 2

A dispenser for use with a reservoir of water for permitting a chemical to be dispensed into said body of water, said dispenser comprising: container means defining therein a compartment which is partially filled with a solid chemical, said compartment being adapted to have water deposited therein for forming a saturated chemical solution within said compartment; standpipe means mounted on said container means and having an interior opening therethrough which extends through the wall of said container means for providing the sole communication between said compartment and the surrounding reservoir of water, said standpipe means comrising an axially elongated sleevelike member having said interior opening of rather large cross-section extending axially therethrough, said standpipe means opening upwardly and having the lower end thereof in communication with said saturated solution; and said opening as defined by said standpipe means being of substantially uniform cross-section throughout the complete axial length thereof and being completely open at both the upper and lower ends thereof, and the diameter and axial length of said opening being of similar magnitude with said opening having a diameter of at least one-half inch and an axial length of at least one-half inch.

Claim 3

A dispenser according to claim 1, wherein the diameter of the standpipe means is in the range of approximately between 1/2 and 1 3/4 inches, and wherein the axial length of the standpipe means is in the range of approximately 1/2 and 1 3/4 inches.

Claim 4

In a dispensing device adapted to be positioned within a toilet tank for dispensing a sanitizing chemical into the water reservoir defined by said tank, said dispensing device including a container defining therein a compartment which is partially filled with a solid chemical, and opening means formed in said container for permitting the water in said reservoir to come into contact with said chemicals, comprising the improvement wherein said container is only partially filled with said solid chemical, a portion of the compartment containing therein a saturated chemical solution produced by contacting said solid chemical with water, and said opening means being defined by standpipe means mounted on said container and providing communication between said compartment and said reservoir for permitting dispensing of chemicals from said compartment into said reservoir by osmotic pressure, said standpipe means comprising an axially elongated sleevelike member mounted on said container and projecting through the upper wall thereof, said sleevelike member defining an axially elongated opening therethrough of rather large cross-sectional area, the upper end of said opening being in direct communication with the reservoir and the lower end of said opening being in direct communication with the saturated solution, said opening having both a diameter and an axial length which is at least one-half inch, said container being closed except for the opening provided by said standpipe means.

Claim 5

In a dispensing device adapted to be positioned within a toilet tank for dispensing a sanitizing chemical into the water reservoir defined by said tank, said dispensing device including a container defining therein a compartment which is partially filled with a solid chemical, and opening means formed in said container for permitting the water in said reservoir to come into contact with said chemicals, comprising the improvement wherein said container is only partially filled with said solid chemical, a portion of the compartment containing therein a saturated chemical solution produced by contacting said solid chemical with water, and said opening means being defined by standpipe means mounted on said container and providing communication between said compartment and said reservoir for permitting dispensing of chemicals from said compartment into said reservoir by osmotic pressure, said standpipe means comprising an axially elongated sleevelike member mounted on said container and projecting through the upper wall thereof, said sleevelike member defining an axially elongated opening therethrough of rather large cross-sectional area, the upper end of said opening being in direct communication with the reservoir and the lower end of said opening being in direct communication with the saturated solution, said opening having both a diameter and an axial length which is at least one-half inch, said container being closed except for the opening provided by said standpipe means.

Claim 6

A dispenser for use with a reservoir of water for permitting a chemical to be dispensed into said body of water, said dispenser comprising: container means defining therein a compartment which is partially filled with a solid chemical, said compartment being adapted to have water deposited therein for forming a saturated chemical solution within said compartment; said container means including an upwardly opening cup-shaped receptacle and cover means removably mounted on the upper end of said receptacle for closing same; standpipe means mounted on said cover means and projecting therethrough for providing communication with said compartment, said standpipe means comprising an axially elongated sleevelike member having an internal opening of rather large cross-section extending axially therethrough, said standpipe means opening upwardly and having the lower end thereof in communication with said saturated solution; and said opening as defined by said standpipe means being of substantially uniform cross-section throughout the complete axial length thereof and being completely open at both the upper and lower ends thereof, and the diameter and axial length of said opening being of similar magnitude with said opening having a diameter of at least one-half inch and an axial length of at least one-half inch.

Claim 7

A dispenser for use with a reservoir of water for permitting a chemical to be dispensed into said body of water, said dispenser comprising: container means defining therein a compartment which is partially filled with a solid chemical, said compartment being adapted to have water deposited therein for forming a saturated chemical solution within said compartment; said container means including an upwardly opening cup-shaped receptacle and cover means removably mounted on the upper end of said receptacle for closing same; standpipe means mounted on said cover means and projecting therethrough for providing communication with said compartment, said standpipe means comprising an axially elongated sleevelike member having an internal opening of rather large cross-section extending axially therethrough, said standpipe means opening upwardly and having the lower end thereof in communication with said saturated solution; and said opening as defined by said standpipe means being of substantially uniform cross-section throughout the complete axial length thereof and being completely open at both the upper and lower ends thereof, and the diameter and axial length of said opening being of similar magnitude with said opening having a diameter of at least one-half inch and an axial length of at least one-half inch.