Modular drinking water filtration system with adapter rings for replaceable cartridges to assure proper fit
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United States of America Patent
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Apr 13, 2010
Issued Date -
N/A
app pub date -
Mar 21, 2008
filing date -
Mar 21, 2008
priority date (Note) -
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Abstract
A modular filter system using replaceable filter cartridges includes matching adaptor rings in the filter head and on the filter cartridge placed at selected circumferential positions to ensure proper cartridge fit and to provide a proprietary cartridge construction for selected users. The adaptor rings operate only to control cartridge to filter head fit and are not used to drive the rotary valve spindle.
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