Liquid purification or separation – Casing divided by membrane into sections having inlet
Reexamination Certificate
2001-12-18
2011-12-20
Menon, Krishnan S (Department: 1777)
Liquid purification or separation
Casing divided by membrane into sections having inlet
C210S500230, C210S321890, C210S323200, C210S502100, C210S694000
Reexamination Certificate
active
08080160
ABSTRACT:
In a combination including a pitcher-type water purifier and its purification cartridge, which can adsorb and eliminate chemical substances such as chlorine from raw water, eliminate bacteria, and prevent propagation of bacteria and provide safe purified water in a short period of time, even when the purified water has been stored for a long-period time, the pitcher type water purifier contains a casing divided into upper and lower parts as a raw water reservoir portion and a purified water reservoir portion, and has a purified water pouring opening in the purified water reservoir portion; and the purification cartridge has a raw water inlet in an upper face thereof and a purified water outlet in a bottom face, and adsorbent is filled in an upper layer of an interior thereof and hollow fiber membranes are filled in a lower layer thereof at an opening rate σ of 25-58%.
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Itou Masanori
Katsuura Yuuichi
Kawai Yoshinori
Kobayashi Yukio
Yanou Manabu
Fitch Even Tabin & Flannery
Menon Krishnan S
Mitsubishi Rayon Co. Ltd.
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