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특허 상세정보

Stackable filter cup apparatus and method

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-037/00    B01D-035/00    B01D-029/01    B01D-029/05   
미국특허분류(USC) 210/808; 210/232; 210/256; 210/258; 210/291; 210/337; 210/339; 210/406; 210/455; 210/489; 210/502.1; 210/694; 210/474; 422/534; 422/535
출원번호 US-0969612 (2010-12-16)
등록번호 US-8808552 (2014-08-19)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Lorusso & Associates
인용정보 피인용 횟수 : 2  인용 특허 : 133
초록

An apparatus and method to perform multiple filtration steps with a modular filtration apparatus and single cycle. A stackable modular filter cup has features to allow stacked cups to be separated without the need for substantial effort yet without diminishing the effect of vacuum assisted filtration. Each cup is formed with a slip seal segment and/or a series of substantially vertical channels or ridges on an inner or outer wall to reduce surface contact between nested filter cups.

대표
청구항

1. A stacked column filtration assembly comprising: a plurality of stackable filter cups each having a sidewall wherein a bottom end of the sidewall has portions defining an annular flange for receiving a filter;a dedicated filter secured to the flange of each filter cup for filtering solids from liquids, each cup being sized and shaped to nestingly receive another of the plurality of cups, wherein a substantially annular lower portion of the sidewall of each cup defines a slip seal segment, wherein the lower portion is formed with a frustum angle differ...

이 특허에 인용된 특허 (133)

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