Chemical apparatus and process disinfecting – deodorizing – preser – Physical type apparatus – Means separating or dissolving a material constituent
Patent
1993-10-01
1995-02-14
Warden, Robert J.
Chemical apparatus and process disinfecting, deodorizing, preser
Physical type apparatus
Means separating or dissolving a material constituent
4490, 210169, 2101981, 422263, 422265, 422275, 422276, 422277, C02F 100, E04H 416
Patent
active
053893450
ABSTRACT:
A water treatment pill is disclosed having a cylindrical periphery and disklike end faces and comprising material that in use is eroded to treat the water. The cylindrical periphery of the pill is covered with a cover of water impermeable material to prevent water coming into contact with the periphery of the pill. A passage is provided between the sleeve and the periphery of the pill and running from one end face to the other. This passage may be formed in the periphery of the pill or in the sleeve. One end face of the pill is closed off by a closure member. Thus with the axis of the periphery vertical and the closure member on the upper face of the pill, any gases which may accumulate below one end face of the pill can escape along the groove to the other end face.
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Thornton Krisanne M.
Warden Robert J.
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