Liquid purification or separation – Processes – Chemical treatment
Reexamination Certificate
1999-06-25
2001-12-11
Barry, Chester T. (Department: 1724)
Liquid purification or separation
Processes
Chemical treatment
C210S764000, C210S167150, C210S205000, C422S037000, C004S222000
Reexamination Certificate
active
06328900
ABSTRACT:
FIELD OF THE INVENTION
This invention relates generally to kits and more specifically to a kit for converting a spa or hot tub water recirculation system into a spa water recirculation and purification system.
BACKGROUND OF THE INVENTION
Spas or hot tubs are known in the art and usually comprise a large tub or container with an integral water circulation system for circulating the water. Typically, water in the container is directed via water water into the body of water in the container. In order to maintain the purity of the water, chemicals such as bromine, chlorine or the like are periodically added to the water to kill the bacteria therein by measuring an amount of chemical and then pouring the chemical into the water. The disadvantage of such an external chemical system is that one must regularly monitor the water to determine if the bacteria count is below acceptable levels and one must handle the chemicals as the chemicals are poured into the water. The present invention provides a kit having a housing that can be spliced into the existing water circulation system of the spa so that the water can circulate through water purification materials that are held in confinement within a chamber of the housing.
SUMMARY OF THE INVENTION
Briefly, the kit comprises a housing that can be fixedly mounted to a spa or hot tub, a chamber in the housing, an inlet for splicing into the spa water circulation system, and an outlet for splicing into the spa water circulation system, a dispenser for mounting in the chamber in the housing with the dispenser containing water purification materials so that when water flows through the spa water circulation system the water also flows through the chamber with the water purification material to simultaneously purify the water and direct jets of water into the hot tub.
REFERENCES:
patent: 3832741 (1974-09-01), Ward
patent: 4420394 (1983-12-01), Lewis
patent: 4702270 (1987-10-01), King, Sr.
patent: 5581826 (1996-12-01), Edwards
patent: 5662795 (1997-09-01), Pickens et al.
Barry Chester T.
Jacobson & Johnson
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