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3. 发明授权

KR1019970007645B1 이중구조 필터용기 失效
标题翻译：具有双重结构的过滤容器
公开(公告)号：KR1019970007645B1
公开(公告)日：1997-05-15
申请号：KR1019910024730
申请日：1991-12-27
申请人： 가네보 가부시키가이샤
发明人： 토미따요지 , 오이시에이이찌 , 고바야시마사노리 , 온다기미야스 , 미야지히로시
IPC分类号： B01D35/00
CPC分类号： B01D27/005 , B01D27/08 , B01D27/106 , B01D27/142 , B01D2201/307 , B01D2201/4023 , B01D2201/4046
摘要： By fitting the unit container to the base and setting them in place, the shut-off valve is opened to form a flow path for filtration. The housing is sealed as soon as the unit container is detached and the shut-off valve is closed. A bottom end cap is detachably attached on the body of the housing to position the cartridge filters by means of cartridge stoppers as well as to firmly hold them jointly with one or more upper end caps supported at the top of the housing via a cushioning member. Sealing edges in the form of a ring are forced into the end faces of the filters to prevent the liquid from entering into the filters therethrough. According to this invention, different types of bottom end caps are prepared and stocked to be adapted to different combinations of number and diameter of cartridge filters. As an independent upper end cap is to be provided for each cartridge filter, its stock need only to vary in diameters. A body of the same construction can be commonly used to assemble a unit container, and the inventory of spare component parts decreases significantly. As each of the cartridge filters is supported independently and separately at the top end thereof, minute dimensional difference in each cartridge filter is absorbed by the cushioning member and is prevented from causing loosening or displacement. When the cartridge filter swells to expand in the longitudinal direction, the shoulder member on the lower end of the unit housing body absorbs the dimensional change by changing the inclining angle to thereby reduce the stress applied on the housing by such dimensional changes and to prevent internal damages of the housing or disengagement of the parts at joints.

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