[특허]Chromatography column

Chromatography column 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-015/08
출원번호	US-0077427 (1993-06-15)
발명자 / 주소	Saxena Vinit (Pleasanton CA) Young Paul (Walnut Creek CA)
출원인 / 주소	Sepragen Corporation (San Leandro CA 02)
인용정보	피인용 횟수 : 47 인용 특허 : 0

초록 ▼

An improved axial flow chromatography column for separations dependent upon bed depth, such as size exclusion and where changes of column volume necessitate bed height adjustments. The improvements include a snap-action lever or a collet arrangement which permits quick and easy movement of the bed adjuster; a flush seal assembly at the outlet frit and a V-shaped seal in the bed adjuster which obviates dead volume gap of conventional O-ring seals; lens-shaped frits convex on the inlet and outlet sides provide for uniform flow through the column, and the access ports eliminate the contamination problem by providing easy access for cleaning and aspiration of liquid; and a combined inlet tube and adjuster tube assembly eliminates the need for threaded components which make sanitation difficult.

대표청구항 ▼

An axial flow chromatography column, comprising: a housing having flanges at both ends and operatively connected to an outlet head assembly at one end which includes a central opening and a tapering upper surface and an adjuster assembly at the other; a pair of bed support frits located within said housing and adapted to retain a bed of chromatographic medium therebetween and wherein said pair of frits each has one side having a convex configuration, said convex configured sides being located oppositely with respect to an associated bed of chromatography medium; a pair of seal means located within said outlet head assembly and constructed so as to retain a peripheral edge of one of said frits and wherein said pair of seal means consists of a horizontal section and a reversed L-shaped section, with said peripheral edge of said one frit being located within said reversed L-shaped section; a top assembly adapted to be removably connected to said housing; means for removably connecting said top assembly to said housing flange; a bed adjuster assembly located in said housing and said top assembly; a locking mechanism mounted in said top assembly for releaseably retaining said bed adjuster assembly, such that release of said locking mechanism enables rapid height adjustments of said bed adjuster assembly; and means for making fine height adjustments of said bed adjuster assembly.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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이 특허를 인용한 특허 (47)

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