Liquid purification or separation – Filter – Movable medium
Patent
1995-08-02
1998-01-06
Savage, Matthew O.
Liquid purification or separation
Filter
Movable medium
210381, 2104973, 210498, 210223, C02F 138
Patent
active
057050694
ABSTRACT:
A water treatment device includes a casing having an outlet of treated water, a screen basket having a peripheral wall portion and a closed end portion and being received in the casing, a screen section provided in the peripheral wall portion of the screen basket, a drive unit for rotating the screen basket, and a water supply section provided in the screen basket and communicating with a source of water to be treated. The screen section of the screen basket includes support rods having a projecting portion in the radially inner end portion thereof and wires of a substantially triangular cross section provided radially inwardly of the support rods and extending in a direction crossing with the support rods, each of the wires being arranged with its one side facing inward and two other sides forming a slit which widens radially outwardly between adjacent wires and with an apex of each wire being welded to the projecting portion of the support rods at crossing points of the wire and the support rods. The width of the slit of the wires is 1 .mu.m or over and less than 100 .mu.m.
REFERENCES:
patent: 4883591 (1989-11-01), Belasco
patent: 5255790 (1993-10-01), Einoder et al.
Harusuke Naito
Savage Matthew O.
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